From 7d50ad630dc3c4efff391008f3cd3cdd250cbacd Mon Sep 17 00:00:00 2001 From: Anthon van der Neut Date: Thu, 25 Jul 2019 23:29:34 +0200 Subject: split off C library into separate package --- CHANGES | 4 + Dockerfile | 8 +- MANIFEST.in | 3 +- README.rst | 8 +- __init__.py | 36 +- _doc/_static/pypi.svg | 2 +- _test/test_api_change.py | 4 +- _test/test_cyaml.py | 14 +- compat.py | 3 + docker-compose.yaml | 6 +- ext/_ruamel_yaml.c | 28640 --------------------------------------------- ext/_ruamel_yaml.h | 23 - ext/_ruamel_yaml.pxd | 251 - ext/_ruamel_yaml.pyx | 1526 --- ext/api.c | 1398 --- ext/config.h | 81 - ext/dumper.c | 394 - ext/emitter.c | 2341 ---- ext/loader.c | 444 - ext/parser.c | 1378 --- ext/reader.c | 469 - ext/scanner.c | 3575 ------ ext/writer.c | 140 - ext/yaml.h | 1977 ---- ext/yaml_private.h | 683 -- setup.py | 46 +- 26 files changed, 77 insertions(+), 43377 deletions(-) delete mode 100644 ext/_ruamel_yaml.c delete mode 100644 ext/_ruamel_yaml.h delete mode 100644 ext/_ruamel_yaml.pxd delete mode 100644 ext/_ruamel_yaml.pyx delete mode 100644 ext/api.c delete mode 100644 ext/config.h delete mode 100644 ext/dumper.c delete mode 100644 ext/emitter.c delete mode 100644 ext/loader.c delete mode 100644 ext/parser.c delete mode 100644 ext/reader.c delete mode 100644 ext/scanner.c delete mode 100644 ext/writer.c delete mode 100644 ext/yaml.h delete mode 100644 ext/yaml_private.h diff --git a/CHANGES b/CHANGES index f0ab62d..d776e0c 100644 --- a/CHANGES +++ b/CHANGES @@ -1,3 +1,7 @@ +[0, 16, 0]: 2019-07-25 + - split of C source that generates .so file to ruamel.yaml.clib + - duplicate keys are now an error when working with the old API as well + [0, 15, 100]: 2019-07-17 - fixing issue with dumping deep-copied data from commented YAML, by providing both the memo parameter to __deepcopy__, and by allowing diff --git a/Dockerfile b/Dockerfile index ef42f24..4906b2e 100644 --- a/Dockerfile +++ b/Dockerfile @@ -1,4 +1,3 @@ - FROM quay.io/pypa/manylinux1_x86_64:latest MAINTAINER Anthon van der Neut @@ -11,8 +10,8 @@ RUN echo 'rm -f /tmp/*.whl' >> /usr/bin/makewheel RUN echo 'for PYVER in $*; do' >> /usr/bin/makewheel RUN echo ' for PYBIN in /opt/python/cp$PYVER*/bin/; do' >> /usr/bin/makewheel RUN echo ' echo "$PYBIN"' >> /usr/bin/makewheel -RUN echo ' ${PYBIN}/pip install -Uq pip' >> /usr/bin/makewheel -RUN echo ' ${PYBIN}/pip wheel . -w /tmp' >> /usr/bin/makewheel +RUN echo ' ${PYBIN}/pip install -Uq pip' >> /usr/bin/makewheel +RUN echo ' ${PYBIN}/pip wheel . -w /tmp' >> /usr/bin/makewheel RUN echo ' done' >> /usr/bin/makewheel RUN echo 'done' >> /usr/bin/makewheel RUN echo '' >> /usr/bin/makewheel @@ -23,7 +22,4 @@ RUN echo ' auditwheel repair "$whl" -w /src/dist/' >> /usr/bin/makewheel RUN echo 'done' >> /usr/bin/makewheel RUN chmod 755 /usr/bin/makewheel - CMD /usr/bin/makewheel 27 35 36 37 - -# cp27-cp27m p27-cp27mu cp34-cp34m cp35-cp35m cp36-cp36m cp37-cp37m diff --git a/MANIFEST.in b/MANIFEST.in index aa076f5..1aa7798 100644 --- a/MANIFEST.in +++ b/MANIFEST.in @@ -1,2 +1,3 @@ include README.rst LICENSE CHANGES setup.py -recursive-include ext * +prune ext* +prune clib* diff --git a/README.rst b/README.rst index fca85cc..aa29e61 100644 --- a/README.rst +++ b/README.rst @@ -4,8 +4,8 @@ ruamel.yaml ``ruamel.yaml`` is a YAML 1.2 loader/dumper package for Python. -:version: 0.15.100 -:updated: 2019-07-17 +:version: 0.16.0 +:updated: 2019-07-25 :documentation: http://yaml.readthedocs.io :repository: https://bitbucket.org/ruamel/yaml :pypi: https://pypi.org/project/ruamel.yaml/ @@ -54,6 +54,10 @@ ChangeLog .. should insert NEXT: at the beginning of line for next key (with empty line) +0.16.0 (2019-07-25): + - split of C source that generates .so file to ruamel.yaml.clib + - duplicate keys are now an error when working with the old API as well + 0.15.100 (2019-07-17): - fixing issue with dumping deep-copied data from commented YAML, by providing both the memo parameter to __deepcopy__, and by allowing diff --git a/__init__.py b/__init__.py index 48d9a03..33e1d63 100644 --- a/__init__.py +++ b/__init__.py @@ -7,8 +7,8 @@ if False: # MYPY _package_data = dict( full_package_name='ruamel.yaml', - version_info=(0, 15, 100), - __version__='0.15.100', + version_info=(0, 16, 0), + __version__='0.16.0', author='Anthon van der Neut', author_email='a.van.der.neut@ruamel.eu', description='ruamel.yaml is a YAML parser/emitter that supports roundtrip preservation of comments, seq/map flow style, and map key order', # NOQA @@ -16,31 +16,9 @@ _package_data = dict( since=2014, extras_require={':platform_python_implementation=="CPython" and python_version<="2.7"': [ 'ruamel.ordereddict', + ], ':platform_python_implementation=="CPython" and python_version<"3.8"': [ + 'ruamel.yaml.clib', ], 'jinja2': ['ruamel.yaml.jinja2>=0.2'], 'docs': ['ryd']}, - ext_modules=[ - dict( - name='_ruamel_yaml', - src=[ - 'ext/_ruamel_yaml.c', - 'ext/api.c', - 'ext/writer.c', - 'ext/dumper.c', - 'ext/loader.c', - 'ext/reader.c', - 'ext/scanner.c', - 'ext/parser.c', - 'ext/emitter.c', - ], - lib=[], - test=""" - int main(int argc, char* argv[]) - { - /* prevent warning */ - return 0; - } - """, - ), - ], # NOQA # test='#include "ext/yaml.h"\n\nint main(int argc, char* argv[])\n{\nyaml_parser_t parser;\nparser = parser; /* prevent warning */\nreturn 0;\n}\n', # NOQA classifiers=[ @@ -56,11 +34,6 @@ _package_data = dict( 'Typing :: Typed', ], keywords='yaml 1.2 parser round-trip preserve quotes order config', - wheels=dict( - windows='appveyor', - linux='libyaml-devel', - macos='builder@macos', - ), read_the_docs='yaml', supported=[(2, 7), (3, 5)], # minimum tox=dict( @@ -68,6 +41,7 @@ _package_data = dict( deps='ruamel.std.pathlib', fl8excl='_test/lib', ), + universal=True, rtfd='yaml', ) # type: Dict[Any, Any] diff --git a/_doc/_static/pypi.svg b/_doc/_static/pypi.svg index 7525ff0..025942d 100644 --- a/_doc/_static/pypi.svg +++ b/_doc/_static/pypi.svg @@ -1 +1 @@ - pypipypi0.15.1000.15.100 + pypipypi0.16.00.16.0 diff --git a/_test/test_api_change.py b/_test/test_api_change.py index 3f3d411..b47a551 100644 --- a/_test/test_api_change.py +++ b/_test/test_api_change.py @@ -232,7 +232,7 @@ class TestOldAPI: def test_duplicate_keys_02(self): # Issue 165 unicode keys in error/warning from ruamel.yaml import safe_load - from ruamel.yaml.constructor import DuplicateKeyFutureWarning + from ruamel.yaml.constructor import DuplicateKeyError - with pytest.warns(DuplicateKeyFutureWarning): + with pytest.raises(DuplicateKeyError): safe_load('type: Doméstica\ntype: International') diff --git a/_test/test_cyaml.py b/_test/test_cyaml.py index 1d4c356..6b618f3 100644 --- a/_test/test_cyaml.py +++ b/_test/test_cyaml.py @@ -7,9 +7,11 @@ from textwrap import dedent @pytest.mark.skipif( - platform.python_implementation() == 'Jython', reason='Jython throws RepresenterError' + platform.python_implementation() in ['Jython', 'PyPy'], + reason='Jython throws RepresenterError' ) def test_load_cyaml(): + print("???????????????????????", platform.python_implementation()) import ruamel.yaml if sys.version_info >= (3, 8): @@ -20,7 +22,9 @@ def test_load_cyaml(): ruamel.yaml.load('abc: 1', Loader=CLoader) -@pytest.mark.skipif(sys.version_info >= (3, 8), reason='no _PyGC_FINALIZED') +@pytest.mark.skipif(sys.version_info >= (3, 8) + or platform.python_implementation() in ['Jython', 'PyPy'], + reason='no _PyGC_FINALIZED') def test_dump_cyaml(): import ruamel.yaml @@ -36,6 +40,9 @@ def test_dump_cyaml(): assert res == 'a: 1\nb: 2\n' +@pytest.mark.skipif( + platform.python_implementation() in ['Jython', 'PyPy'], reason='not avialable' +) def test_load_cyaml_1_2(): # issue 155 import ruamel.yaml @@ -52,6 +59,9 @@ def test_load_cyaml_1_2(): yaml.load(inp) +@pytest.mark.skipif( + platform.python_implementation() in ['Jython', 'PyPy'], reason='not available' +) def test_dump_cyaml_1_2(): # issue 155 import ruamel.yaml diff --git a/compat.py b/compat.py index bc4c1c2..5529247 100644 --- a/compat.py +++ b/compat.py @@ -251,6 +251,9 @@ def check_anchorname_char(ch): def version_tnf(t1, t2=None): # type: (Any, Any) -> Any + """ + return True if ruamel.yaml version_info < t1, None if t2 is specified and bigger else False + """ from ruamel.yaml import version_info # NOQA if version_info < t1: diff --git a/docker-compose.yaml b/docker-compose.yaml index be63d4a..1b1e6c4 100644 --- a/docker-compose.yaml +++ b/docker-compose.yaml @@ -1,12 +1,12 @@ version: '2' user-data: author: Anthon van der Neut - description: manylinux1 wheel build container for ruamel.yaml + description: manylinux wheel build container for ruamel.yaml env-defaults: PYDISTBASE: /tmp # for building, normally set by `dv --distbase` services: - yamlmanylinux1: - container_name: yamlmanylinux1 + ruamel_yaml_manylinux1: + container_name: ruamel_yaml build: . volumes: - ${PYDISTBASE}/ruamel.yaml:/src/dist diff --git a/ext/_ruamel_yaml.c b/ext/_ruamel_yaml.c deleted file mode 100644 index c81694a..0000000 --- a/ext/_ruamel_yaml.c +++ /dev/null @@ -1,28640 +0,0 @@ -/* Generated by Cython 0.29.12 */ - -#define PY_SSIZE_T_CLEAN -#include "Python.h" -#ifndef Py_PYTHON_H - #error Python headers needed to compile C extensions, please install development version of Python. -#elif PY_VERSION_HEX < 0x02060000 || (0x03000000 <= PY_VERSION_HEX && PY_VERSION_HEX < 0x03030000) - #error Cython requires Python 2.6+ or Python 3.3+. -#else -#define CYTHON_ABI "0_29_12" -#define CYTHON_HEX_VERSION 0x001D0CF0 -#define CYTHON_FUTURE_DIVISION 0 -#include -#ifndef offsetof - 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return *key != Py_tss_NEEDS_INIT; -} -static CYTHON_INLINE void PyThread_tss_delete(Py_tss_t *key) { - PyThread_delete_key(*key); - *key = Py_tss_NEEDS_INIT; -} -static CYTHON_INLINE int PyThread_tss_set(Py_tss_t *key, void *value) { - return PyThread_set_key_value(*key, value); -} -static CYTHON_INLINE void * PyThread_tss_get(Py_tss_t *key) { - return PyThread_get_key_value(*key); -} -#endif -#if CYTHON_COMPILING_IN_CPYTHON || defined(_PyDict_NewPresized) -#define __Pyx_PyDict_NewPresized(n) ((n <= 8) ? 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PyUnicode_GET_LENGTH(u) : PyUnicode_GET_SIZE(u))) -#else - #define CYTHON_PEP393_ENABLED 0 - #define PyUnicode_1BYTE_KIND 1 - #define PyUnicode_2BYTE_KIND 2 - #define PyUnicode_4BYTE_KIND 4 - #define __Pyx_PyUnicode_READY(op) (0) - #define __Pyx_PyUnicode_GET_LENGTH(u) PyUnicode_GET_SIZE(u) - #define __Pyx_PyUnicode_READ_CHAR(u, i) ((Py_UCS4)(PyUnicode_AS_UNICODE(u)[i])) - #define __Pyx_PyUnicode_MAX_CHAR_VALUE(u) ((sizeof(Py_UNICODE) == 2) ? 65535 : 1114111) - #define __Pyx_PyUnicode_KIND(u) (sizeof(Py_UNICODE)) - #define __Pyx_PyUnicode_DATA(u) ((void*)PyUnicode_AS_UNICODE(u)) - #define __Pyx_PyUnicode_READ(k, d, i) ((void)(k), (Py_UCS4)(((Py_UNICODE*)d)[i])) - #define __Pyx_PyUnicode_WRITE(k, d, i, ch) (((void)(k)), ((Py_UNICODE*)d)[i] = ch) - #define __Pyx_PyUnicode_IS_TRUE(u) (0 != PyUnicode_GET_SIZE(u)) -#endif -#if CYTHON_COMPILING_IN_PYPY - #define __Pyx_PyUnicode_Concat(a, b) PyNumber_Add(a, b) - #define __Pyx_PyUnicode_ConcatSafe(a, b) PyNumber_Add(a, b) -#else - #define __Pyx_PyUnicode_Concat(a, b) PyUnicode_Concat(a, b) - #define __Pyx_PyUnicode_ConcatSafe(a, b) ((unlikely((a) == Py_None) || unlikely((b) == Py_None)) ?\ - PyNumber_Add(a, b) : __Pyx_PyUnicode_Concat(a, b)) -#endif -#if CYTHON_COMPILING_IN_PYPY && !defined(PyUnicode_Contains) - #define PyUnicode_Contains(u, s) PySequence_Contains(u, s) -#endif -#if CYTHON_COMPILING_IN_PYPY && !defined(PyByteArray_Check) - #define PyByteArray_Check(obj) PyObject_TypeCheck(obj, &PyByteArray_Type) -#endif -#if CYTHON_COMPILING_IN_PYPY && !defined(PyObject_Format) - #define PyObject_Format(obj, fmt) PyObject_CallMethod(obj, "__format__", "O", fmt) -#endif -#define __Pyx_PyString_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyString_Check(b) && !PyString_CheckExact(b)))) ? PyNumber_Remainder(a, b) : __Pyx_PyString_Format(a, b)) -#define __Pyx_PyUnicode_FormatSafe(a, b) ((unlikely((a) == Py_None || (PyUnicode_Check(b) && !PyUnicode_CheckExact(b)))) ? PyNumber_Remainder(a, b) : PyUnicode_Format(a, b)) -#if PY_MAJOR_VERSION >= 3 - #define __Pyx_PyString_Format(a, b) PyUnicode_Format(a, b) -#else - #define __Pyx_PyString_Format(a, b) PyString_Format(a, b) -#endif -#if PY_MAJOR_VERSION < 3 && !defined(PyObject_ASCII) - #define PyObject_ASCII(o) PyObject_Repr(o) -#endif -#if PY_MAJOR_VERSION >= 3 - #define PyBaseString_Type PyUnicode_Type - #define PyStringObject PyUnicodeObject - #define PyString_Type PyUnicode_Type - #define PyString_Check PyUnicode_Check - #define PyString_CheckExact PyUnicode_CheckExact - #define PyObject_Unicode PyObject_Str -#endif -#if PY_MAJOR_VERSION >= 3 - #define __Pyx_PyBaseString_Check(obj) PyUnicode_Check(obj) - #define __Pyx_PyBaseString_CheckExact(obj) PyUnicode_CheckExact(obj) -#else - #define __Pyx_PyBaseString_Check(obj) (PyString_Check(obj) || PyUnicode_Check(obj)) - #define __Pyx_PyBaseString_CheckExact(obj) (PyString_CheckExact(obj) || PyUnicode_CheckExact(obj)) -#endif -#ifndef PySet_CheckExact - #define PySet_CheckExact(obj) (Py_TYPE(obj) == &PySet_Type) -#endif -#if CYTHON_ASSUME_SAFE_MACROS - #define __Pyx_PySequence_SIZE(seq) Py_SIZE(seq) -#else - #define __Pyx_PySequence_SIZE(seq) PySequence_Size(seq) -#endif -#if PY_MAJOR_VERSION >= 3 - #define PyIntObject PyLongObject - #define PyInt_Type PyLong_Type - #define PyInt_Check(op) PyLong_Check(op) - #define PyInt_CheckExact(op) PyLong_CheckExact(op) - #define PyInt_FromString PyLong_FromString - #define PyInt_FromUnicode PyLong_FromUnicode - #define PyInt_FromLong PyLong_FromLong - #define PyInt_FromSize_t PyLong_FromSize_t - #define PyInt_FromSsize_t PyLong_FromSsize_t - #define PyInt_AsLong PyLong_AsLong - #define PyInt_AS_LONG PyLong_AS_LONG - #define PyInt_AsSsize_t PyLong_AsSsize_t - #define PyInt_AsUnsignedLongMask PyLong_AsUnsignedLongMask - #define PyInt_AsUnsignedLongLongMask PyLong_AsUnsignedLongLongMask - #define PyNumber_Int PyNumber_Long -#endif -#if PY_MAJOR_VERSION >= 3 - #define PyBoolObject PyLongObject -#endif -#if PY_MAJOR_VERSION >= 3 && CYTHON_COMPILING_IN_PYPY - #ifndef PyUnicode_InternFromString - #define PyUnicode_InternFromString(s) PyUnicode_FromString(s) - #endif -#endif -#if PY_VERSION_HEX < 0x030200A4 - typedef long Py_hash_t; - #define __Pyx_PyInt_FromHash_t PyInt_FromLong - #define __Pyx_PyInt_AsHash_t PyInt_AsLong -#else - #define __Pyx_PyInt_FromHash_t PyInt_FromSsize_t - #define __Pyx_PyInt_AsHash_t PyInt_AsSsize_t -#endif -#if PY_MAJOR_VERSION >= 3 - #define __Pyx_PyMethod_New(func, self, klass) ((self) ? PyMethod_New(func, self) : (Py_INCREF(func), func)) -#else - #define __Pyx_PyMethod_New(func, self, klass) PyMethod_New(func, self, klass) -#endif -#if CYTHON_USE_ASYNC_SLOTS - #if PY_VERSION_HEX >= 0x030500B1 - #define __Pyx_PyAsyncMethodsStruct PyAsyncMethods - #define __Pyx_PyType_AsAsync(obj) (Py_TYPE(obj)->tp_as_async) - #else - #define __Pyx_PyType_AsAsync(obj) ((__Pyx_PyAsyncMethodsStruct*) (Py_TYPE(obj)->tp_reserved)) - #endif -#else - #define __Pyx_PyType_AsAsync(obj) NULL -#endif -#ifndef __Pyx_PyAsyncMethodsStruct - typedef struct { - unaryfunc am_await; - unaryfunc am_aiter; - unaryfunc am_anext; - } __Pyx_PyAsyncMethodsStruct; -#endif - -#if defined(WIN32) || defined(MS_WINDOWS) - #define _USE_MATH_DEFINES -#endif -#include -#ifdef NAN -#define __PYX_NAN() ((float) NAN) -#else -static CYTHON_INLINE float __PYX_NAN() { - float value; - memset(&value, 0xFF, sizeof(value)); - return value; -} -#endif -#if defined(__CYGWIN__) && defined(_LDBL_EQ_DBL) -#define __Pyx_truncl trunc -#else -#define __Pyx_truncl truncl -#endif - - -#define __PYX_ERR(f_index, lineno, Ln_error) \ -{ \ - __pyx_filename = __pyx_f[f_index]; __pyx_lineno = lineno; __pyx_clineno = __LINE__; goto Ln_error; \ -} - -#ifndef __PYX_EXTERN_C - #ifdef __cplusplus - #define __PYX_EXTERN_C extern "C" - #else - #define __PYX_EXTERN_C extern - #endif -#endif - -#define __PYX_HAVE___ruamel_yaml -#define __PYX_HAVE_API___ruamel_yaml -/* Early includes */ -#include "_ruamel_yaml.h" -#ifdef _OPENMP -#include -#endif /* _OPENMP */ - -#if defined(PYREX_WITHOUT_ASSERTIONS) && !defined(CYTHON_WITHOUT_ASSERTIONS) -#define CYTHON_WITHOUT_ASSERTIONS -#endif - -typedef struct {PyObject **p; const char *s; const Py_ssize_t n; const char* encoding; - const char is_unicode; const char is_str; const char intern; } __Pyx_StringTabEntry; - -#define __PYX_DEFAULT_STRING_ENCODING_IS_ASCII 0 -#define __PYX_DEFAULT_STRING_ENCODING_IS_UTF8 0 -#define __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT (PY_MAJOR_VERSION >= 3 && __PYX_DEFAULT_STRING_ENCODING_IS_UTF8) -#define __PYX_DEFAULT_STRING_ENCODING "" -#define __Pyx_PyObject_FromString __Pyx_PyBytes_FromString -#define __Pyx_PyObject_FromStringAndSize __Pyx_PyBytes_FromStringAndSize -#define __Pyx_uchar_cast(c) ((unsigned char)c) -#define __Pyx_long_cast(x) ((long)x) -#define __Pyx_fits_Py_ssize_t(v, type, is_signed) (\ - (sizeof(type) < sizeof(Py_ssize_t)) ||\ - (sizeof(type) > sizeof(Py_ssize_t) &&\ - likely(v < (type)PY_SSIZE_T_MAX ||\ - v == (type)PY_SSIZE_T_MAX) &&\ - (!is_signed || likely(v > (type)PY_SSIZE_T_MIN ||\ - v == (type)PY_SSIZE_T_MIN))) ||\ - (sizeof(type) == sizeof(Py_ssize_t) &&\ - (is_signed || likely(v < (type)PY_SSIZE_T_MAX ||\ - v == (type)PY_SSIZE_T_MAX))) ) -static CYTHON_INLINE int __Pyx_is_valid_index(Py_ssize_t i, Py_ssize_t limit) { - return (size_t) i < (size_t) limit; -} -#if defined (__cplusplus) && __cplusplus >= 201103L - #include - #define __Pyx_sst_abs(value) std::abs(value) -#elif SIZEOF_INT >= SIZEOF_SIZE_T - #define __Pyx_sst_abs(value) abs(value) -#elif SIZEOF_LONG >= SIZEOF_SIZE_T - #define __Pyx_sst_abs(value) labs(value) -#elif defined (_MSC_VER) - #define __Pyx_sst_abs(value) ((Py_ssize_t)_abs64(value)) -#elif defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L - #define __Pyx_sst_abs(value) llabs(value) -#elif defined (__GNUC__) - #define __Pyx_sst_abs(value) __builtin_llabs(value) -#else - #define __Pyx_sst_abs(value) ((value<0) ? -value : value) -#endif -static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject*); -static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject*, Py_ssize_t* length); -#define __Pyx_PyByteArray_FromString(s) PyByteArray_FromStringAndSize((const char*)s, strlen((const char*)s)) -#define __Pyx_PyByteArray_FromStringAndSize(s, l) PyByteArray_FromStringAndSize((const char*)s, l) -#define __Pyx_PyBytes_FromString PyBytes_FromString -#define __Pyx_PyBytes_FromStringAndSize PyBytes_FromStringAndSize -static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char*); -#if PY_MAJOR_VERSION < 3 - #define __Pyx_PyStr_FromString __Pyx_PyBytes_FromString - #define __Pyx_PyStr_FromStringAndSize __Pyx_PyBytes_FromStringAndSize -#else - #define __Pyx_PyStr_FromString __Pyx_PyUnicode_FromString - #define __Pyx_PyStr_FromStringAndSize __Pyx_PyUnicode_FromStringAndSize -#endif -#define __Pyx_PyBytes_AsWritableString(s) ((char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyBytes_AsWritableSString(s) ((signed char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyBytes_AsWritableUString(s) ((unsigned char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyBytes_AsString(s) ((const char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyBytes_AsSString(s) ((const signed char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyBytes_AsUString(s) ((const unsigned char*) PyBytes_AS_STRING(s)) -#define __Pyx_PyObject_AsWritableString(s) ((char*) __Pyx_PyObject_AsString(s)) -#define __Pyx_PyObject_AsWritableSString(s) ((signed char*) __Pyx_PyObject_AsString(s)) -#define __Pyx_PyObject_AsWritableUString(s) ((unsigned char*) __Pyx_PyObject_AsString(s)) -#define __Pyx_PyObject_AsSString(s) ((const signed char*) __Pyx_PyObject_AsString(s)) -#define __Pyx_PyObject_AsUString(s) ((const unsigned char*) __Pyx_PyObject_AsString(s)) -#define __Pyx_PyObject_FromCString(s) __Pyx_PyObject_FromString((const char*)s) -#define __Pyx_PyBytes_FromCString(s) __Pyx_PyBytes_FromString((const char*)s) -#define __Pyx_PyByteArray_FromCString(s) __Pyx_PyByteArray_FromString((const char*)s) -#define __Pyx_PyStr_FromCString(s) __Pyx_PyStr_FromString((const char*)s) -#define __Pyx_PyUnicode_FromCString(s) __Pyx_PyUnicode_FromString((const char*)s) -static CYTHON_INLINE size_t __Pyx_Py_UNICODE_strlen(const Py_UNICODE *u) { - const Py_UNICODE *u_end = u; - while (*u_end++) ; - return (size_t)(u_end - u - 1); -} -#define __Pyx_PyUnicode_FromUnicode(u) PyUnicode_FromUnicode(u, __Pyx_Py_UNICODE_strlen(u)) -#define __Pyx_PyUnicode_FromUnicodeAndLength PyUnicode_FromUnicode -#define __Pyx_PyUnicode_AsUnicode PyUnicode_AsUnicode -#define __Pyx_NewRef(obj) (Py_INCREF(obj), obj) -#define __Pyx_Owned_Py_None(b) __Pyx_NewRef(Py_None) -static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b); -static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject*); -static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject*); -static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x); -#define __Pyx_PySequence_Tuple(obj)\ - (likely(PyTuple_CheckExact(obj)) ? __Pyx_NewRef(obj) : PySequence_Tuple(obj)) -static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject*); -static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t); -#if CYTHON_ASSUME_SAFE_MACROS -#define __pyx_PyFloat_AsDouble(x) (PyFloat_CheckExact(x) ? PyFloat_AS_DOUBLE(x) : PyFloat_AsDouble(x)) -#else -#define __pyx_PyFloat_AsDouble(x) PyFloat_AsDouble(x) -#endif -#define __pyx_PyFloat_AsFloat(x) ((float) __pyx_PyFloat_AsDouble(x)) -#if PY_MAJOR_VERSION >= 3 -#define __Pyx_PyNumber_Int(x) (PyLong_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Long(x)) -#else -#define __Pyx_PyNumber_Int(x) (PyInt_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Int(x)) -#endif -#define __Pyx_PyNumber_Float(x) (PyFloat_CheckExact(x) ? __Pyx_NewRef(x) : PyNumber_Float(x)) -#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII -static int __Pyx_sys_getdefaultencoding_not_ascii; -static int __Pyx_init_sys_getdefaultencoding_params(void) { - PyObject* sys; - PyObject* default_encoding = NULL; - PyObject* ascii_chars_u = NULL; - PyObject* ascii_chars_b = NULL; - const char* default_encoding_c; - sys = PyImport_ImportModule("sys"); - if (!sys) goto bad; - default_encoding = PyObject_CallMethod(sys, (char*) "getdefaultencoding", NULL); - Py_DECREF(sys); - if (!default_encoding) goto bad; - default_encoding_c = PyBytes_AsString(default_encoding); - if (!default_encoding_c) goto bad; - if (strcmp(default_encoding_c, "ascii") == 0) { - __Pyx_sys_getdefaultencoding_not_ascii = 0; - } else { - char ascii_chars[128]; - int c; - for (c = 0; c < 128; c++) { - ascii_chars[c] = c; - } - __Pyx_sys_getdefaultencoding_not_ascii = 1; - ascii_chars_u = PyUnicode_DecodeASCII(ascii_chars, 128, NULL); - if (!ascii_chars_u) goto bad; - ascii_chars_b = PyUnicode_AsEncodedString(ascii_chars_u, default_encoding_c, NULL); - if (!ascii_chars_b || !PyBytes_Check(ascii_chars_b) || memcmp(ascii_chars, PyBytes_AS_STRING(ascii_chars_b), 128) != 0) { - PyErr_Format( - PyExc_ValueError, - "This module compiled with c_string_encoding=ascii, but default encoding '%.200s' is not a superset of ascii.", - default_encoding_c); - goto bad; - } - Py_DECREF(ascii_chars_u); - Py_DECREF(ascii_chars_b); - } - Py_DECREF(default_encoding); - return 0; -bad: - Py_XDECREF(default_encoding); - Py_XDECREF(ascii_chars_u); 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PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j); -static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, - int is_list, int wraparound, int boundscheck); - -/* ObjectGetItem.proto */ -#if CYTHON_USE_TYPE_SLOTS -static CYTHON_INLINE PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key); -#else -#define __Pyx_PyObject_GetItem(obj, key) PyObject_GetItem(obj, key) -#endif - -/* PyObjectCallMethO.proto */ -#if CYTHON_COMPILING_IN_CPYTHON -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg); -#endif - -/* PyObjectCallNoArg.proto */ -#if CYTHON_COMPILING_IN_CPYTHON -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func); -#else -#define __Pyx_PyObject_CallNoArg(func) __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL) -#endif - -/* PyObjectCallOneArg.proto */ -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg); - -/* None.proto */ -static CYTHON_INLINE void 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PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2); - -/* HasAttr.proto */ -static CYTHON_INLINE int __Pyx_HasAttr(PyObject *, PyObject *); - -/* IncludeStringH.proto */ -#include - -/* BytesEquals.proto */ -static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals); - -/* UnicodeEquals.proto */ -static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals); - -/* StrEquals.proto */ -#if PY_MAJOR_VERSION >= 3 -#define __Pyx_PyString_Equals __Pyx_PyUnicode_Equals -#else -#define __Pyx_PyString_Equals __Pyx_PyBytes_Equals -#endif - -/* RaiseTooManyValuesToUnpack.proto */ -static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected); - -/* RaiseNeedMoreValuesToUnpack.proto */ -static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index); - -/* IterFinish.proto */ -static CYTHON_INLINE int __Pyx_IterFinish(void); - -/* UnpackItemEndCheck.proto */ -static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected); - -/* Import.proto */ -static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level); - -/* ImportFrom.proto */ -static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name); - -/* PyObject_GenericGetAttrNoDict.proto */ -#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 -static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name); -#else -#define __Pyx_PyObject_GenericGetAttrNoDict PyObject_GenericGetAttr -#endif - -/* PyObject_GenericGetAttr.proto */ -#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 -static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name); -#else -#define __Pyx_PyObject_GenericGetAttr PyObject_GenericGetAttr -#endif - -/* SetupReduce.proto */ -static int __Pyx_setup_reduce(PyObject* type_obj); - -/* SetVTable.proto */ -static int __Pyx_SetVtable(PyObject *dict, void *vtable); - -/* CLineInTraceback.proto */ -#ifdef CYTHON_CLINE_IN_TRACEBACK -#define __Pyx_CLineForTraceback(tstate, c_line) (((CYTHON_CLINE_IN_TRACEBACK)) ? c_line : 0) -#else -static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line); -#endif - -/* CodeObjectCache.proto */ -typedef struct { - PyCodeObject* code_object; - int code_line; -} __Pyx_CodeObjectCacheEntry; -struct __Pyx_CodeObjectCache { - int count; - int max_count; - __Pyx_CodeObjectCacheEntry* entries; -}; -static struct __Pyx_CodeObjectCache __pyx_code_cache = {0,0,NULL}; -static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line); -static PyCodeObject *__pyx_find_code_object(int code_line); -static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object); - -/* AddTraceback.proto */ -static void __Pyx_AddTraceback(const char *funcname, int c_line, - int py_line, const char *filename); - -/* CIntToPy.proto */ -static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value); - -/* CIntToPy.proto */ -static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value); - -/* CIntFromPy.proto */ -static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *); - -/* CIntFromPy.proto */ -static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *); - -/* FastTypeChecks.proto */ -#if CYTHON_COMPILING_IN_CPYTHON -#define __Pyx_TypeCheck(obj, type) __Pyx_IsSubtype(Py_TYPE(obj), (PyTypeObject *)type) -static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b); -static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches(PyObject *err, PyObject *type); -static CYTHON_INLINE int __Pyx_PyErr_GivenExceptionMatches2(PyObject *err, PyObject *type1, PyObject *type2); -#else -#define __Pyx_TypeCheck(obj, type) PyObject_TypeCheck(obj, (PyTypeObject *)type) -#define __Pyx_PyErr_GivenExceptionMatches(err, type) PyErr_GivenExceptionMatches(err, type) -#define __Pyx_PyErr_GivenExceptionMatches2(err, type1, type2) (PyErr_GivenExceptionMatches(err, type1) || PyErr_GivenExceptionMatches(err, type2)) -#endif -#define __Pyx_PyException_Check(obj) __Pyx_TypeCheck(obj, PyExc_Exception) - -/* CheckBinaryVersion.proto */ -static int __Pyx_check_binary_version(void); - -/* InitStrings.proto */ -static int __Pyx_InitStrings(__Pyx_StringTabEntry *t); - -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__parser_error(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__scan(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__token_to_object(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, yaml_token_t *__pyx_v_token); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__parse(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__event_to_object(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, yaml_event_t *__pyx_v_event); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__compose_document(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__compose_node(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_parent, PyObject *__pyx_v_index); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__compose_scalar_node(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_anchor); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__compose_sequence_node(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_anchor); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_7CParser__compose_mapping_node(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self, PyObject *__pyx_v_anchor); /* proto*/ -static int __pyx_f_12_ruamel_yaml_7CParser__parse_next_event(struct __pyx_obj_12_ruamel_yaml_CParser *__pyx_v_self); /* proto*/ -static PyObject *__pyx_f_12_ruamel_yaml_8CEmitter__emitter_error(struct __pyx_obj_12_ruamel_yaml_CEmitter *__pyx_v_self); /* proto*/ -static int __pyx_f_12_ruamel_yaml_8CEmitter__object_to_event(struct __pyx_obj_12_ruamel_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_event_object, yaml_event_t *__pyx_v_event); /* proto*/ -static int __pyx_f_12_ruamel_yaml_8CEmitter__anchor_node(struct __pyx_obj_12_ruamel_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_node); /* proto*/ -static int __pyx_f_12_ruamel_yaml_8CEmitter__serialize_node(struct __pyx_obj_12_ruamel_yaml_CEmitter *__pyx_v_self, PyObject *__pyx_v_node, PyObject *__pyx_v_parent, PyObject *__pyx_v_index); /* proto*/ - -/* Module declarations from '_ruamel_yaml' */ -static PyTypeObject *__pyx_ptype_12_ruamel_yaml_Mark = 0; -static PyTypeObject *__pyx_ptype_12_ruamel_yaml_CParser = 0; -static PyTypeObject *__pyx_ptype_12_ruamel_yaml_CEmitter = 0; -static int __pyx_f_12_ruamel_yaml_input_handler(void *, char *, int, int *); /*proto*/ -static int __pyx_f_12_ruamel_yaml_output_handler(void *, char *, int); /*proto*/ -static PyObject *__pyx_f_12_ruamel_yaml___pyx_unpickle_Mark__set_state(struct __pyx_obj_12_ruamel_yaml_Mark *, PyObject *); /*proto*/ -#define __Pyx_MODULE_NAME "_ruamel_yaml" -extern int __pyx_module_is_main__ruamel_yaml; -int __pyx_module_is_main__ruamel_yaml = 0; - -/* Implementation of '_ruamel_yaml' */ -static PyObject *__pyx_builtin_MemoryError; -static PyObject *__pyx_builtin_AttributeError; -static PyObject *__pyx_builtin_TypeError; -static PyObject *__pyx_builtin_ValueError; -static const char __pyx_k__3[] = "?"; -static const char __pyx_k__6[] = ""; -static const char __pyx_k__7[] = "'"; -static const char __pyx_k__8[] = "\""; -static const char __pyx_k__9[] = "|"; -static const char __pyx_k_TAG[] = "TAG"; -static const char __pyx_k__10[] = ">"; -static const char __pyx_k__19[] = "\r"; -static const char __pyx_k__20[] = "\n"; -static const char __pyx_k__21[] = "\r\n"; -static const char __pyx_k_new[] = "__new__"; -static const char __pyx_k_tag[] = "tag"; -static const char __pyx_k_Mark[] = "Mark"; -static const char __pyx_k_YAML[] = "YAML"; -static const char __pyx_k_dict[] = "__dict__"; -static const char __pyx_k_file[] = ""; -static const char __pyx_k_line[] = "line"; -static const char __pyx_k_main[] = "__main__"; -static const char __pyx_k_name[] = "name"; -static const char __pyx_k_read[] = "read"; -static const char __pyx_k_tags[] = "tags"; -static const char __pyx_k_test[] = "__test__"; -static const char __pyx_k_class[] = "__class__"; -static const char __pyx_k_index[] = "index"; -static const char __pyx_k_major[] = "major"; -static const char __pyx_k_minor[] = "minor"; -static const char __pyx_k_patch[] = "patch"; -static const char __pyx_k_style[] = "style"; -static const char __pyx_k_utf_8[] = "utf-8"; -static const char __pyx_k_value[] = "value"; -static const char __pyx_k_width[] = "width"; -static const char __pyx_k_write[] = "write"; -static const char __pyx_k_anchor[] = "anchor"; -static const char __pyx_k_buffer[] = "buffer"; -static const char __pyx_k_column[] = "column"; -static const char __pyx_k_id_03d[] = "id%03d"; -static const char __pyx_k_import[] = "__import__"; -static const char __pyx_k_indent[] = "indent"; -static const char __pyx_k_name_2[] = "__name__"; -static const char __pyx_k_pickle[] = "pickle"; -static const char __pyx_k_reduce[] = "__reduce__"; -static const char __pyx_k_stream[] = "stream"; -static const char __pyx_k_update[] = "update"; -static const char __pyx_k_CParser[] = "CParser"; -static const char __pyx_k_pointer[] = "pointer"; -static const char __pyx_k_resolve[] = "resolve"; -static const char __pyx_k_version[] = "version"; -static const char __pyx_k_CEmitter[] = "CEmitter"; -static const char __pyx_k_KeyToken[] = "KeyToken"; -static const char __pyx_k_TagToken[] = "TagToken"; -static const char __pyx_k_encoding[] = "encoding"; -static const char __pyx_k_end_mark[] = "end_mark"; -static const char __pyx_k_explicit[] = "explicit"; -static const char __pyx_k_getstate[] = "__getstate__"; -static const char __pyx_k_implicit[] = "implicit"; -static const char __pyx_k_pyx_type[] = "__pyx_type"; -static const char __pyx_k_setstate[] = "__setstate__"; -static const char __pyx_k_TypeError[] = "TypeError"; -static const char __pyx_k_YAMLError[] = "YAMLError"; -static const char __pyx_k_canonical[] = "canonical"; -static const char __pyx_k_pyx_state[] = "__pyx_state"; -static const char __pyx_k_reduce_ex[] = "__reduce_ex__"; -static const char __pyx_k_utf_16_be[] = "utf-16-be"; -static const char __pyx_k_utf_16_le[] = "utf-16-le"; -static const char __pyx_k_AliasEvent[] = "AliasEvent"; -static const char __pyx_k_AliasToken[] = "AliasToken"; -static const char __pyx_k_ScalarNode[] = "ScalarNode"; -static const char __pyx_k_ValueError[] = "ValueError"; -static const char __pyx_k_ValueToken[] = "ValueToken"; -static const char __pyx_k_flow_style[] = "flow_style"; -static const char __pyx_k_line_break[] = "line_break"; -static const char __pyx_k_pyx_result[] = "__pyx_result"; -static const char __pyx_k_pyx_vtable[] = "__pyx_vtable__"; -static const char __pyx_k_start_mark[] = "start_mark"; -static const char __pyx_k_AnchorToken[] = "AnchorToken"; -static const char __pyx_k_MappingNode[] = "MappingNode"; -static const char __pyx_k_MemoryError[] = "MemoryError"; -static const char __pyx_k_ParserError[] = "ParserError"; -static const char __pyx_k_PickleError[] = "PickleError"; -static const char __pyx_k_ReaderError[] = "ReaderError"; -static const char __pyx_k_ScalarEvent[] = "ScalarEvent"; -static const char __pyx_k_ScalarToken[] = "ScalarToken"; -static const char __pyx_k_byte_string[] = ""; -static const char __pyx_k_get_version[] = "get_version"; -static const char __pyx_k_ruamel_yaml[] = "_ruamel_yaml"; -static const char __pyx_k_EmitterError[] = "EmitterError"; -static const char __pyx_k_ScannerError[] = "ScannerError"; -static const char __pyx_k_SequenceNode[] = "SequenceNode"; -static const char __pyx_k_explicit_end[] = "explicit_end"; -static const char __pyx_k_pyx_checksum[] = "__pyx_checksum"; -static const char __pyx_k_stringsource[] = "stringsource"; -static const char __pyx_k_BlockEndToken[] = "BlockEndToken"; -static const char __pyx_k_ComposerError[] = "ComposerError"; -static const char __pyx_k_allow_unicode[] = "allow_unicode"; -static const char __pyx_k_reduce_cython[] = "__reduce_cython__"; -static const char __pyx_k_too_many_tags[] = "too many tags"; -static const char __pyx_k_AttributeError[] = "AttributeError"; -static const char __pyx_k_DirectiveToken[] = "DirectiveToken"; -static const char __pyx_k_FlowEntryToken[] = "FlowEntryToken"; -static const char __pyx_k_StreamEndEvent[] = "StreamEndEvent"; -static const char __pyx_k_StreamEndToken[] = "StreamEndToken"; -static const char __pyx_k_explicit_start[] = "explicit_start"; -static const char __pyx_k_unicode_string[] = ""; -static const char __pyx_k_BlockEntryToken[] = "BlockEntryToken"; -static const char __pyx_k_MappingEndEvent[] = "MappingEndEvent"; -static const char __pyx_k_SerializerError[] = "SerializerError"; -static const char __pyx_k_ascend_resolver[] = "ascend_resolver"; -static const char __pyx_k_invalid_event_s[] = "invalid event %s"; -static const char __pyx_k_no_parser_error[] = "no parser error"; -static const char __pyx_k_pyx_PickleError[] = "__pyx_PickleError"; -static const char __pyx_k_ruamel_yaml_pyx[] = "_ruamel_yaml.pyx"; -static const char __pyx_k_setstate_cython[] = "__setstate_cython__"; -static const char __pyx_k_ConstructorError[] = "ConstructorError"; -static const char __pyx_k_DocumentEndEvent[] = "DocumentEndEvent"; -static const char __pyx_k_DocumentEndToken[] = "DocumentEndToken"; -static const char __pyx_k_RepresenterError[] = "RepresenterError"; -static const char __pyx_k_SequenceEndEvent[] = "SequenceEndEvent"; -static const char __pyx_k_StreamStartEvent[] = "StreamStartEvent"; -static const char __pyx_k_StreamStartToken[] = "StreamStartToken"; -static const char __pyx_k_descend_resolver[] = "descend_resolver"; -static const char __pyx_k_no_emitter_error[] = "no emitter error"; -static const char __pyx_k_MappingStartEvent[] = "MappingStartEvent"; -static const char __pyx_k_pyx_unpickle_Mark[] = "__pyx_unpickle_Mark"; -static const char __pyx_k_ruamel_yaml_error[] = "ruamel.yaml.error"; -static const char __pyx_k_ruamel_yaml_nodes[] = "ruamel.yaml.nodes"; -static const char __pyx_k_second_occurrence[] = "second occurrence"; -static const char __pyx_k_DocumentStartEvent[] = "DocumentStartEvent"; -static const char __pyx_k_DocumentStartToken[] = "DocumentStartToken"; -static const char __pyx_k_SequenceStartEvent[] = "SequenceStartEvent"; -static const char __pyx_k_cline_in_traceback[] = "cline_in_traceback"; -static const char __pyx_k_get_version_string[] = "get_version_string"; -static const char __pyx_k_ruamel_yaml_events[] = "ruamel.yaml.events"; -static const char __pyx_k_ruamel_yaml_parser[] = "ruamel.yaml.parser"; -static const char __pyx_k_ruamel_yaml_reader[] = "ruamel.yaml.reader"; -static const char __pyx_k_ruamel_yaml_tokens[] = "ruamel.yaml.tokens"; -static const char __pyx_k_unknown_event_type[] = "unknown event type"; -static const char __pyx_k_unknown_token_type[] = "unknown token type"; -static const char __pyx_k_FlowMappingEndToken[] = "FlowMappingEndToken"; -static const char __pyx_k_ruamel_yaml_emitter[] = "ruamel.yaml.emitter"; -static const char __pyx_k_ruamel_yaml_scanner[] = "ruamel.yaml.scanner"; -static const char __pyx_k_FlowSequenceEndToken[] = "FlowSequenceEndToken"; -static const char __pyx_k_in_s_line_d_column_d[] = " in \"%s\", line %d, column %d"; -static const char __pyx_k_ruamel_yaml_composer[] = "ruamel.yaml.composer"; -static const char __pyx_k_serializer_is_closed[] = "serializer is closed"; -static const char __pyx_k_tag_must_be_a_string[] = "tag must be a string"; -static const char __pyx_k_FlowMappingStartToken[] = "FlowMappingStartToken"; -static const char __pyx_k_found_undefined_alias[] = "found undefined alias"; -static const char __pyx_k_BlockMappingStartToken[] = "BlockMappingStartToken"; -static const char __pyx_k_FlowSequenceStartToken[] = "FlowSequenceStartToken"; -static const char __pyx_k_ruamel_yaml_serializer[] = "ruamel.yaml.serializer"; -static const char __pyx_k_value_must_be_a_string[] = "value must be a string"; -static const char __pyx_k_BlockSequenceStartToken[] = "BlockSequenceStartToken"; -static const char __pyx_k_anchor_must_be_a_string[] = "anchor must be a string"; -static const char __pyx_k_ruamel_yaml_constructor[] = "ruamel.yaml.constructor"; -static const char __pyx_k_ruamel_yaml_representer[] = "ruamel.yaml.representer"; -static const char __pyx_k_serializer_is_not_opened[] = "serializer is not opened"; -static const char __pyx_k_a_string_value_is_expected[] = "a string value is expected"; -static const char __pyx_k_but_found_another_document[] = "but found another document"; -static const char __pyx_k_tag_handle_must_be_a_string[] = "tag handle must be a string"; -static const char __pyx_k_tag_prefix_must_be_a_string[] = "tag prefix must be a string"; -static const char __pyx_k_serializer_is_already_opened[] = "serializer is already opened"; -static const char __pyx_k_Pickling_of_struct_members_such[] = "Pickling of struct members such as self.emitter must be explicitly requested with @auto_pickle(True)"; -static const char __pyx_k_Incompatible_checksums_s_vs_0x3f[] = "Incompatible checksums (%s vs 0x3fa45b6 = (buffer, column, index, line, name, pointer))"; -static const char __pyx_k_a_string_or_stream_input_is_requ[] = "a string or stream input is required"; -static const char __pyx_k_expected_a_single_document_in_th[] = "expected a single document in the stream"; -static const char __pyx_k_found_duplicate_anchor_first_occ[] = "found duplicate anchor; first occurrence"; -static const char __pyx_k_self_parsed_event_cannot_be_conv[] = "self.parsed_event cannot be 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"" : "s", num_found); -} - -/* RaiseDoubleKeywords */ -static void __Pyx_RaiseDoubleKeywordsError( - const char* func_name, - PyObject* kw_name) -{ - PyErr_Format(PyExc_TypeError, - #if PY_MAJOR_VERSION >= 3 - "%s() got multiple values for keyword argument '%U'", func_name, kw_name); - #else - "%s() got multiple values for keyword argument '%s'", func_name, - PyString_AsString(kw_name)); - #endif -} - -/* ParseKeywords */ -static int __Pyx_ParseOptionalKeywords( - PyObject *kwds, - PyObject **argnames[], - PyObject *kwds2, - PyObject *values[], - Py_ssize_t num_pos_args, - const char* function_name) -{ - PyObject *key = 0, *value = 0; - Py_ssize_t pos = 0; - PyObject*** name; - PyObject*** first_kw_arg = argnames + num_pos_args; - while (PyDict_Next(kwds, &pos, &key, &value)) { - name = first_kw_arg; - while (*name && (**name != key)) name++; - if (*name) { - values[name-argnames] = value; - continue; - } - name = first_kw_arg; - #if PY_MAJOR_VERSION < 3 - if (likely(PyString_CheckExact(key)) || likely(PyString_Check(key))) { - while (*name) { - if ((CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**name) == PyString_GET_SIZE(key)) - && _PyString_Eq(**name, key)) { - values[name-argnames] = value; - break; - } - name++; - } - if (*name) continue; - else { - PyObject*** argname = argnames; - while (argname != first_kw_arg) { - if ((**argname == key) || ( - (CYTHON_COMPILING_IN_PYPY || PyString_GET_SIZE(**argname) == PyString_GET_SIZE(key)) - && _PyString_Eq(**argname, key))) { - goto arg_passed_twice; - } - argname++; - } - } - } else - #endif - if (likely(PyUnicode_Check(key))) { - while (*name) { - int cmp = (**name == key) ? 0 : - #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 - (PyUnicode_GET_SIZE(**name) != PyUnicode_GET_SIZE(key)) ? 1 : - #endif - PyUnicode_Compare(**name, key); - if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; - if (cmp == 0) { - values[name-argnames] = value; - break; - } - name++; - } - if (*name) continue; - else { - PyObject*** argname = argnames; - while (argname != first_kw_arg) { - int cmp = (**argname == key) ? 0 : - #if !CYTHON_COMPILING_IN_PYPY && PY_MAJOR_VERSION >= 3 - (PyUnicode_GET_SIZE(**argname) != PyUnicode_GET_SIZE(key)) ? 1 : - #endif - PyUnicode_Compare(**argname, key); - if (cmp < 0 && unlikely(PyErr_Occurred())) goto bad; - if (cmp == 0) goto arg_passed_twice; - argname++; - } - } - } else - goto invalid_keyword_type; - if (kwds2) { - if (unlikely(PyDict_SetItem(kwds2, key, value))) goto bad; - } else { - goto invalid_keyword; - } - } - return 0; -arg_passed_twice: - __Pyx_RaiseDoubleKeywordsError(function_name, key); - goto bad; -invalid_keyword_type: - PyErr_Format(PyExc_TypeError, - "%.200s() keywords must be strings", function_name); - goto bad; -invalid_keyword: - PyErr_Format(PyExc_TypeError, - #if PY_MAJOR_VERSION < 3 - "%.200s() got an unexpected keyword argument '%.200s'", - function_name, PyString_AsString(key)); - #else - "%s() got an unexpected keyword argument '%U'", - function_name, key); - #endif -bad: - return -1; -} - -/* PyErrExceptionMatches */ -#if CYTHON_FAST_THREAD_STATE -static int __Pyx_PyErr_ExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { - Py_ssize_t i, n; - n = PyTuple_GET_SIZE(tuple); -#if PY_MAJOR_VERSION >= 3 - for (i=0; icurexc_type; - if (exc_type == err) return 1; - if (unlikely(!exc_type)) return 0; - if (unlikely(PyTuple_Check(err))) - return __Pyx_PyErr_ExceptionMatchesTuple(exc_type, err); - return __Pyx_PyErr_GivenExceptionMatches(exc_type, err); -} -#endif - -/* PyErrFetchRestore */ -#if CYTHON_FAST_THREAD_STATE -static CYTHON_INLINE void __Pyx_ErrRestoreInState(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { - PyObject *tmp_type, *tmp_value, *tmp_tb; - tmp_type = tstate->curexc_type; - tmp_value = tstate->curexc_value; - tmp_tb = tstate->curexc_traceback; - tstate->curexc_type = type; - tstate->curexc_value = value; - tstate->curexc_traceback = tb; - Py_XDECREF(tmp_type); - Py_XDECREF(tmp_value); - Py_XDECREF(tmp_tb); -} -static CYTHON_INLINE void __Pyx_ErrFetchInState(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { - *type = tstate->curexc_type; - *value = tstate->curexc_value; - *tb = tstate->curexc_traceback; - tstate->curexc_type = 0; - tstate->curexc_value = 0; - tstate->curexc_traceback = 0; -} -#endif - -/* GetAttr */ -static CYTHON_INLINE PyObject *__Pyx_GetAttr(PyObject *o, PyObject *n) { -#if CYTHON_USE_TYPE_SLOTS -#if PY_MAJOR_VERSION >= 3 - if (likely(PyUnicode_Check(n))) -#else - if (likely(PyString_Check(n))) -#endif - return __Pyx_PyObject_GetAttrStr(o, n); -#endif - return PyObject_GetAttr(o, n); -} - -/* GetAttr3 */ -static PyObject *__Pyx_GetAttr3Default(PyObject *d) { - __Pyx_PyThreadState_declare - __Pyx_PyThreadState_assign - if (unlikely(!__Pyx_PyErr_ExceptionMatches(PyExc_AttributeError))) - return NULL; - __Pyx_PyErr_Clear(); - Py_INCREF(d); - return d; -} -static CYTHON_INLINE PyObject *__Pyx_GetAttr3(PyObject *o, PyObject *n, PyObject *d) { - PyObject *r = __Pyx_GetAttr(o, n); - return (likely(r)) ? r : __Pyx_GetAttr3Default(d); -} - -/* PyDictVersioning */ -#if CYTHON_USE_DICT_VERSIONS && CYTHON_USE_TYPE_SLOTS -static CYTHON_INLINE PY_UINT64_T __Pyx_get_tp_dict_version(PyObject *obj) { - PyObject *dict = Py_TYPE(obj)->tp_dict; - return likely(dict) ? __PYX_GET_DICT_VERSION(dict) : 0; -} -static CYTHON_INLINE PY_UINT64_T __Pyx_get_object_dict_version(PyObject *obj) { - PyObject **dictptr = NULL; - Py_ssize_t offset = Py_TYPE(obj)->tp_dictoffset; - if (offset) { -#if CYTHON_COMPILING_IN_CPYTHON - dictptr = (likely(offset > 0)) ? (PyObject **) ((char *)obj + offset) : _PyObject_GetDictPtr(obj); -#else - dictptr = _PyObject_GetDictPtr(obj); -#endif - } - return (dictptr && *dictptr) ? __PYX_GET_DICT_VERSION(*dictptr) : 0; -} -static CYTHON_INLINE int __Pyx_object_dict_version_matches(PyObject* obj, PY_UINT64_T tp_dict_version, PY_UINT64_T obj_dict_version) { - PyObject *dict = Py_TYPE(obj)->tp_dict; - if (unlikely(!dict) || unlikely(tp_dict_version != __PYX_GET_DICT_VERSION(dict))) - return 0; - return obj_dict_version == __Pyx_get_object_dict_version(obj); -} -#endif - -/* GetModuleGlobalName */ -#if CYTHON_USE_DICT_VERSIONS -static PyObject *__Pyx__GetModuleGlobalName(PyObject *name, PY_UINT64_T *dict_version, PyObject **dict_cached_value) -#else -static CYTHON_INLINE PyObject *__Pyx__GetModuleGlobalName(PyObject *name) -#endif -{ - PyObject *result; -#if !CYTHON_AVOID_BORROWED_REFS -#if CYTHON_COMPILING_IN_CPYTHON && PY_VERSION_HEX >= 0x030500A1 - result = _PyDict_GetItem_KnownHash(__pyx_d, name, ((PyASCIIObject *) name)->hash); - __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) - if (likely(result)) { - return __Pyx_NewRef(result); - } else if (unlikely(PyErr_Occurred())) { - return NULL; - } -#else - result = PyDict_GetItem(__pyx_d, name); - __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) - if (likely(result)) { - return __Pyx_NewRef(result); - } -#endif -#else - result = PyObject_GetItem(__pyx_d, name); - __PYX_UPDATE_DICT_CACHE(__pyx_d, result, *dict_cached_value, *dict_version) - if (likely(result)) { - return __Pyx_NewRef(result); - } - PyErr_Clear(); -#endif - return __Pyx_GetBuiltinName(name); -} - -/* GetTopmostException */ -#if CYTHON_USE_EXC_INFO_STACK -static _PyErr_StackItem * -__Pyx_PyErr_GetTopmostException(PyThreadState *tstate) -{ - _PyErr_StackItem *exc_info = tstate->exc_info; - while ((exc_info->exc_type == NULL || exc_info->exc_type == Py_None) && - exc_info->previous_item != NULL) - { - exc_info = exc_info->previous_item; - } - return exc_info; -} -#endif - -/* SaveResetException */ -#if CYTHON_FAST_THREAD_STATE -static CYTHON_INLINE void __Pyx__ExceptionSave(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) { - #if CYTHON_USE_EXC_INFO_STACK - _PyErr_StackItem *exc_info = __Pyx_PyErr_GetTopmostException(tstate); - *type = exc_info->exc_type; - *value = exc_info->exc_value; - *tb = exc_info->exc_traceback; - #else - *type = tstate->exc_type; - *value = tstate->exc_value; - *tb = tstate->exc_traceback; - #endif - Py_XINCREF(*type); - Py_XINCREF(*value); - Py_XINCREF(*tb); -} -static CYTHON_INLINE void __Pyx__ExceptionReset(PyThreadState *tstate, PyObject *type, PyObject *value, PyObject *tb) { - PyObject *tmp_type, *tmp_value, *tmp_tb; - #if CYTHON_USE_EXC_INFO_STACK - _PyErr_StackItem *exc_info = tstate->exc_info; - tmp_type = exc_info->exc_type; - tmp_value = exc_info->exc_value; - tmp_tb = exc_info->exc_traceback; - exc_info->exc_type = type; - exc_info->exc_value = value; - exc_info->exc_traceback = tb; - #else - tmp_type = tstate->exc_type; - tmp_value = tstate->exc_value; - tmp_tb = tstate->exc_traceback; - tstate->exc_type = type; - tstate->exc_value = value; - tstate->exc_traceback = tb; - #endif - Py_XDECREF(tmp_type); - Py_XDECREF(tmp_value); - Py_XDECREF(tmp_tb); -} -#endif - -/* GetException */ -#if CYTHON_FAST_THREAD_STATE -static int __Pyx__GetException(PyThreadState *tstate, PyObject **type, PyObject **value, PyObject **tb) -#else -static int __Pyx_GetException(PyObject **type, PyObject **value, PyObject **tb) -#endif -{ - PyObject *local_type, *local_value, *local_tb; -#if CYTHON_FAST_THREAD_STATE - PyObject *tmp_type, *tmp_value, *tmp_tb; - local_type = tstate->curexc_type; - local_value = tstate->curexc_value; - local_tb = tstate->curexc_traceback; - tstate->curexc_type = 0; - tstate->curexc_value = 0; - tstate->curexc_traceback = 0; -#else - PyErr_Fetch(&local_type, &local_value, &local_tb); -#endif - PyErr_NormalizeException(&local_type, &local_value, &local_tb); -#if CYTHON_FAST_THREAD_STATE - if (unlikely(tstate->curexc_type)) -#else - if (unlikely(PyErr_Occurred())) -#endif - goto bad; - #if PY_MAJOR_VERSION >= 3 - if (local_tb) { - if (unlikely(PyException_SetTraceback(local_value, local_tb) < 0)) - goto bad; - } - #endif - Py_XINCREF(local_tb); - Py_XINCREF(local_type); - Py_XINCREF(local_value); - *type = local_type; - *value = local_value; - *tb = local_tb; -#if CYTHON_FAST_THREAD_STATE - #if CYTHON_USE_EXC_INFO_STACK - { - _PyErr_StackItem *exc_info = tstate->exc_info; - tmp_type = exc_info->exc_type; - tmp_value = exc_info->exc_value; - tmp_tb = exc_info->exc_traceback; - exc_info->exc_type = local_type; - exc_info->exc_value = local_value; - exc_info->exc_traceback = local_tb; - } - #else - tmp_type = tstate->exc_type; - tmp_value = tstate->exc_value; - tmp_tb = tstate->exc_traceback; - tstate->exc_type = local_type; - tstate->exc_value = local_value; - tstate->exc_traceback = local_tb; - #endif - Py_XDECREF(tmp_type); - Py_XDECREF(tmp_value); - Py_XDECREF(tmp_tb); -#else - PyErr_SetExcInfo(local_type, local_value, local_tb); -#endif - return 0; -bad: - *type = 0; - *value = 0; - *tb = 0; - Py_XDECREF(local_type); - Py_XDECREF(local_value); - Py_XDECREF(local_tb); - return -1; -} - -/* PyObjectCall */ -#if CYTHON_COMPILING_IN_CPYTHON -static CYTHON_INLINE PyObject* __Pyx_PyObject_Call(PyObject *func, PyObject *arg, PyObject *kw) { - PyObject *result; - ternaryfunc call = func->ob_type->tp_call; - if (unlikely(!call)) - return PyObject_Call(func, arg, kw); - if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) - return NULL; - result = (*call)(func, arg, kw); - Py_LeaveRecursiveCall(); - if (unlikely(!result) && unlikely(!PyErr_Occurred())) { - PyErr_SetString( - PyExc_SystemError, - "NULL result without error in PyObject_Call"); - } - return result; -} -#endif - -/* RaiseException */ -#if PY_MAJOR_VERSION < 3 -static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, - CYTHON_UNUSED PyObject *cause) { - __Pyx_PyThreadState_declare - Py_XINCREF(type); - if (!value || value == Py_None) - value = NULL; - else - Py_INCREF(value); - if (!tb || tb == Py_None) - tb = NULL; - else { - Py_INCREF(tb); - if (!PyTraceBack_Check(tb)) { - PyErr_SetString(PyExc_TypeError, - "raise: arg 3 must be a traceback or None"); - goto raise_error; - } - } - if (PyType_Check(type)) { -#if CYTHON_COMPILING_IN_PYPY - if (!value) { - Py_INCREF(Py_None); - value = Py_None; - } -#endif - PyErr_NormalizeException(&type, &value, &tb); - } else { - if (value) { - PyErr_SetString(PyExc_TypeError, - "instance exception may not have a separate value"); - goto raise_error; - } - value = type; - type = (PyObject*) Py_TYPE(type); - Py_INCREF(type); - if (!PyType_IsSubtype((PyTypeObject *)type, (PyTypeObject *)PyExc_BaseException)) { - PyErr_SetString(PyExc_TypeError, - "raise: exception class must be a subclass of BaseException"); - goto raise_error; - } - } - __Pyx_PyThreadState_assign - __Pyx_ErrRestore(type, value, tb); - return; -raise_error: - Py_XDECREF(value); - Py_XDECREF(type); - Py_XDECREF(tb); - return; -} -#else -static void __Pyx_Raise(PyObject *type, PyObject *value, PyObject *tb, PyObject *cause) { - PyObject* owned_instance = NULL; - if (tb == Py_None) { - tb = 0; - } else if (tb && !PyTraceBack_Check(tb)) { - PyErr_SetString(PyExc_TypeError, - "raise: arg 3 must be a traceback or None"); - goto bad; - } - if (value == Py_None) - value = 0; - if (PyExceptionInstance_Check(type)) { - if (value) { - PyErr_SetString(PyExc_TypeError, - "instance exception may not have a separate value"); - goto bad; - } - value = type; - type = (PyObject*) Py_TYPE(value); - } else if (PyExceptionClass_Check(type)) { - PyObject *instance_class = NULL; - if (value && PyExceptionInstance_Check(value)) { - instance_class = (PyObject*) Py_TYPE(value); - if (instance_class != type) { - int is_subclass = PyObject_IsSubclass(instance_class, type); - if (!is_subclass) { - instance_class = NULL; - } else if (unlikely(is_subclass == -1)) { - goto bad; - } else { - type = instance_class; - } - } - } - if (!instance_class) { - PyObject *args; - if (!value) - args = PyTuple_New(0); - else if (PyTuple_Check(value)) { - Py_INCREF(value); - args = value; - } else - args = PyTuple_Pack(1, value); - if (!args) - goto bad; - owned_instance = PyObject_Call(type, args, NULL); - Py_DECREF(args); - if (!owned_instance) - goto bad; - value = owned_instance; - if (!PyExceptionInstance_Check(value)) { - PyErr_Format(PyExc_TypeError, - "calling %R should have returned an instance of " - "BaseException, not %R", - type, Py_TYPE(value)); - goto bad; - } - } - } else { - PyErr_SetString(PyExc_TypeError, - "raise: exception class must be a subclass of BaseException"); - goto bad; - } - if (cause) { - PyObject *fixed_cause; - if (cause == Py_None) { - fixed_cause = NULL; - } else if (PyExceptionClass_Check(cause)) { - fixed_cause = PyObject_CallObject(cause, NULL); - if (fixed_cause == NULL) - goto bad; - } else if (PyExceptionInstance_Check(cause)) { - fixed_cause = cause; - Py_INCREF(fixed_cause); - } else { - PyErr_SetString(PyExc_TypeError, - "exception causes must derive from " - "BaseException"); - goto bad; - } - PyException_SetCause(value, fixed_cause); - } - PyErr_SetObject(type, value); - if (tb) { -#if CYTHON_COMPILING_IN_PYPY - PyObject *tmp_type, *tmp_value, *tmp_tb; - PyErr_Fetch(&tmp_type, &tmp_value, &tmp_tb); - Py_INCREF(tb); - PyErr_Restore(tmp_type, tmp_value, tb); - Py_XDECREF(tmp_tb); -#else - PyThreadState *tstate = __Pyx_PyThreadState_Current; - PyObject* tmp_tb = tstate->curexc_traceback; - if (tb != tmp_tb) { - Py_INCREF(tb); - tstate->curexc_traceback = tb; - Py_XDECREF(tmp_tb); - } -#endif - } -bad: - Py_XDECREF(owned_instance); - return; -} -#endif - -/* PyFunctionFastCall */ -#if CYTHON_FAST_PYCALL -static PyObject* __Pyx_PyFunction_FastCallNoKw(PyCodeObject *co, PyObject **args, Py_ssize_t na, - PyObject *globals) { - PyFrameObject *f; - PyThreadState *tstate = __Pyx_PyThreadState_Current; - PyObject **fastlocals; - Py_ssize_t i; - PyObject *result; - assert(globals != NULL); - /* XXX Perhaps we should create a specialized - PyFrame_New() that doesn't take locals, but does - take builtins without sanity checking them. - */ - assert(tstate != NULL); - f = PyFrame_New(tstate, co, globals, NULL); - if (f == NULL) { - return NULL; - } - fastlocals = __Pyx_PyFrame_GetLocalsplus(f); - for (i = 0; i < na; i++) { - Py_INCREF(*args); - fastlocals[i] = *args++; - } - result = PyEval_EvalFrameEx(f,0); - ++tstate->recursion_depth; - Py_DECREF(f); - --tstate->recursion_depth; - return result; -} -#if 1 || PY_VERSION_HEX < 0x030600B1 -static PyObject *__Pyx_PyFunction_FastCallDict(PyObject *func, PyObject **args, Py_ssize_t nargs, PyObject *kwargs) { - PyCodeObject *co = (PyCodeObject *)PyFunction_GET_CODE(func); - PyObject *globals = PyFunction_GET_GLOBALS(func); - PyObject *argdefs = PyFunction_GET_DEFAULTS(func); - PyObject *closure; -#if PY_MAJOR_VERSION >= 3 - PyObject *kwdefs; -#endif - PyObject *kwtuple, **k; - PyObject **d; - Py_ssize_t nd; - Py_ssize_t nk; - PyObject *result; - assert(kwargs == NULL || PyDict_Check(kwargs)); - nk = kwargs ? PyDict_Size(kwargs) : 0; - if (Py_EnterRecursiveCall((char*)" while calling a Python object")) { - return NULL; - } - if ( -#if PY_MAJOR_VERSION >= 3 - co->co_kwonlyargcount == 0 && -#endif - likely(kwargs == NULL || nk == 0) && - co->co_flags == (CO_OPTIMIZED | CO_NEWLOCALS | CO_NOFREE)) { - if (argdefs == NULL && co->co_argcount == nargs) { - result = __Pyx_PyFunction_FastCallNoKw(co, args, nargs, globals); - goto done; - } - else if (nargs == 0 && argdefs != NULL - && co->co_argcount == Py_SIZE(argdefs)) { - /* function called with no arguments, but all parameters have - a default value: use default values as arguments .*/ - args = &PyTuple_GET_ITEM(argdefs, 0); - result =__Pyx_PyFunction_FastCallNoKw(co, args, Py_SIZE(argdefs), globals); - goto done; - } - } - if (kwargs != NULL) { - Py_ssize_t pos, i; - kwtuple = PyTuple_New(2 * nk); - if (kwtuple == NULL) { - result = NULL; - goto done; - } - k = &PyTuple_GET_ITEM(kwtuple, 0); - pos = i = 0; - while (PyDict_Next(kwargs, &pos, &k[i], &k[i+1])) { - Py_INCREF(k[i]); - Py_INCREF(k[i+1]); - i += 2; - } - nk = i / 2; - } - else { - kwtuple = NULL; - k = NULL; - } - closure = PyFunction_GET_CLOSURE(func); -#if PY_MAJOR_VERSION >= 3 - kwdefs = PyFunction_GET_KW_DEFAULTS(func); -#endif - if (argdefs != NULL) { - d = &PyTuple_GET_ITEM(argdefs, 0); - nd = Py_SIZE(argdefs); - } - else { - d = NULL; - nd = 0; - } -#if PY_MAJOR_VERSION >= 3 - result = PyEval_EvalCodeEx((PyObject*)co, globals, (PyObject *)NULL, - args, (int)nargs, - k, (int)nk, - d, (int)nd, kwdefs, closure); -#else - result = PyEval_EvalCodeEx(co, globals, (PyObject *)NULL, - args, (int)nargs, - k, (int)nk, - d, (int)nd, closure); -#endif - Py_XDECREF(kwtuple); -done: - Py_LeaveRecursiveCall(); - return result; -} -#endif -#endif - -/* PyCFunctionFastCall */ -#if CYTHON_FAST_PYCCALL -static CYTHON_INLINE PyObject * __Pyx_PyCFunction_FastCall(PyObject *func_obj, PyObject **args, Py_ssize_t nargs) { - PyCFunctionObject *func = (PyCFunctionObject*)func_obj; - PyCFunction meth = PyCFunction_GET_FUNCTION(func); - PyObject *self = PyCFunction_GET_SELF(func); - int flags = PyCFunction_GET_FLAGS(func); - assert(PyCFunction_Check(func)); - assert(METH_FASTCALL == (flags & ~(METH_CLASS | METH_STATIC | METH_COEXIST | METH_KEYWORDS | METH_STACKLESS))); - assert(nargs >= 0); - assert(nargs == 0 || args != NULL); - /* _PyCFunction_FastCallDict() must not be called with an exception set, - because it may clear it (directly or indirectly) and so the - caller loses its exception */ - assert(!PyErr_Occurred()); - if ((PY_VERSION_HEX < 0x030700A0) || unlikely(flags & METH_KEYWORDS)) { - return (*((__Pyx_PyCFunctionFastWithKeywords)(void*)meth)) (self, args, nargs, NULL); - } else { - return (*((__Pyx_PyCFunctionFast)(void*)meth)) (self, args, nargs); - } -} -#endif - -/* KeywordStringCheck */ -static int __Pyx_CheckKeywordStrings( - PyObject *kwdict, - const char* function_name, - int kw_allowed) -{ - PyObject* key = 0; - Py_ssize_t pos = 0; -#if CYTHON_COMPILING_IN_PYPY - if (!kw_allowed && PyDict_Next(kwdict, &pos, &key, 0)) - goto invalid_keyword; - return 1; -#else - while (PyDict_Next(kwdict, &pos, &key, 0)) { - #if PY_MAJOR_VERSION < 3 - if (unlikely(!PyString_Check(key))) - #endif - if (unlikely(!PyUnicode_Check(key))) - goto invalid_keyword_type; - } - if ((!kw_allowed) && unlikely(key)) - goto invalid_keyword; - return 1; -invalid_keyword_type: - PyErr_Format(PyExc_TypeError, - "%.200s() keywords must be strings", function_name); - return 0; -#endif -invalid_keyword: - PyErr_Format(PyExc_TypeError, - #if PY_MAJOR_VERSION < 3 - "%.200s() got an unexpected keyword argument '%.200s'", - function_name, PyString_AsString(key)); - #else - "%s() got an unexpected keyword argument '%U'", - function_name, key); - #endif - return 0; -} - -/* GetItemInt */ -static PyObject *__Pyx_GetItemInt_Generic(PyObject *o, PyObject* j) { - PyObject *r; - if (!j) return NULL; - r = PyObject_GetItem(o, j); - Py_DECREF(j); - return r; -} -static CYTHON_INLINE PyObject *__Pyx_GetItemInt_List_Fast(PyObject *o, Py_ssize_t i, - CYTHON_NCP_UNUSED int wraparound, - CYTHON_NCP_UNUSED int boundscheck) { -#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS - Py_ssize_t wrapped_i = i; - if (wraparound & unlikely(i < 0)) { - wrapped_i += PyList_GET_SIZE(o); - } - if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyList_GET_SIZE(o)))) { - PyObject *r = PyList_GET_ITEM(o, wrapped_i); - Py_INCREF(r); - return r; - } - return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); -#else - return PySequence_GetItem(o, i); -#endif -} -static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Tuple_Fast(PyObject *o, Py_ssize_t i, - CYTHON_NCP_UNUSED int wraparound, - CYTHON_NCP_UNUSED int boundscheck) { -#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS - Py_ssize_t wrapped_i = i; - if (wraparound & unlikely(i < 0)) { - wrapped_i += PyTuple_GET_SIZE(o); - } - if ((!boundscheck) || likely(__Pyx_is_valid_index(wrapped_i, PyTuple_GET_SIZE(o)))) { - PyObject *r = PyTuple_GET_ITEM(o, wrapped_i); - Py_INCREF(r); - return r; - } - return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); -#else - return PySequence_GetItem(o, i); -#endif -} -static CYTHON_INLINE PyObject *__Pyx_GetItemInt_Fast(PyObject *o, Py_ssize_t i, int is_list, - CYTHON_NCP_UNUSED int wraparound, - CYTHON_NCP_UNUSED int boundscheck) { -#if CYTHON_ASSUME_SAFE_MACROS && !CYTHON_AVOID_BORROWED_REFS && CYTHON_USE_TYPE_SLOTS - if (is_list || PyList_CheckExact(o)) { - Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyList_GET_SIZE(o); - if ((!boundscheck) || (likely(__Pyx_is_valid_index(n, PyList_GET_SIZE(o))))) { - PyObject *r = PyList_GET_ITEM(o, n); - Py_INCREF(r); - return r; - } - } - else if (PyTuple_CheckExact(o)) { - Py_ssize_t n = ((!wraparound) | likely(i >= 0)) ? i : i + PyTuple_GET_SIZE(o); - if ((!boundscheck) || likely(__Pyx_is_valid_index(n, PyTuple_GET_SIZE(o)))) { - PyObject *r = PyTuple_GET_ITEM(o, n); - Py_INCREF(r); - return r; - } - } else { - PySequenceMethods *m = Py_TYPE(o)->tp_as_sequence; - if (likely(m && m->sq_item)) { - if (wraparound && unlikely(i < 0) && likely(m->sq_length)) { - Py_ssize_t l = m->sq_length(o); - if (likely(l >= 0)) { - i += l; - } else { - if (!PyErr_ExceptionMatches(PyExc_OverflowError)) - return NULL; - PyErr_Clear(); - } - } - return m->sq_item(o, i); - } - } -#else - if (is_list || PySequence_Check(o)) { - return PySequence_GetItem(o, i); - } -#endif - return __Pyx_GetItemInt_Generic(o, PyInt_FromSsize_t(i)); -} - -/* ObjectGetItem */ -#if CYTHON_USE_TYPE_SLOTS -static PyObject *__Pyx_PyObject_GetIndex(PyObject *obj, PyObject* index) { - PyObject *runerr; - Py_ssize_t key_value; - PySequenceMethods *m = Py_TYPE(obj)->tp_as_sequence; - if (unlikely(!(m && m->sq_item))) { - PyErr_Format(PyExc_TypeError, "'%.200s' object is not subscriptable", Py_TYPE(obj)->tp_name); - return NULL; - } - key_value = __Pyx_PyIndex_AsSsize_t(index); - if (likely(key_value != -1 || !(runerr = PyErr_Occurred()))) { - return __Pyx_GetItemInt_Fast(obj, key_value, 0, 1, 1); - } - if (PyErr_GivenExceptionMatches(runerr, PyExc_OverflowError)) { - PyErr_Clear(); - PyErr_Format(PyExc_IndexError, "cannot fit '%.200s' into an index-sized integer", Py_TYPE(index)->tp_name); - } - return NULL; -} -static PyObject *__Pyx_PyObject_GetItem(PyObject *obj, PyObject* key) { - PyMappingMethods *m = Py_TYPE(obj)->tp_as_mapping; - if (likely(m && m->mp_subscript)) { - return m->mp_subscript(obj, key); - } - return __Pyx_PyObject_GetIndex(obj, key); -} -#endif - -/* PyObjectCallMethO */ -#if CYTHON_COMPILING_IN_CPYTHON -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallMethO(PyObject *func, PyObject *arg) { - PyObject *self, *result; - PyCFunction cfunc; - cfunc = PyCFunction_GET_FUNCTION(func); - self = PyCFunction_GET_SELF(func); - if (unlikely(Py_EnterRecursiveCall((char*)" while calling a Python object"))) - return NULL; - result = cfunc(self, arg); - Py_LeaveRecursiveCall(); - if (unlikely(!result) && unlikely(!PyErr_Occurred())) { - PyErr_SetString( - PyExc_SystemError, - "NULL result without error in PyObject_Call"); - } - return result; -} -#endif - -/* PyObjectCallNoArg */ -#if CYTHON_COMPILING_IN_CPYTHON -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallNoArg(PyObject *func) { -#if CYTHON_FAST_PYCALL - if (PyFunction_Check(func)) { - return __Pyx_PyFunction_FastCall(func, NULL, 0); - } -#endif -#ifdef __Pyx_CyFunction_USED - if (likely(PyCFunction_Check(func) || __Pyx_CyFunction_Check(func))) -#else - if (likely(PyCFunction_Check(func))) -#endif - { - if (likely(PyCFunction_GET_FLAGS(func) & METH_NOARGS)) { - return __Pyx_PyObject_CallMethO(func, NULL); - } - } - return __Pyx_PyObject_Call(func, __pyx_empty_tuple, NULL); -} -#endif - -/* PyObjectCallOneArg */ -#if CYTHON_COMPILING_IN_CPYTHON -static PyObject* __Pyx__PyObject_CallOneArg(PyObject *func, PyObject *arg) { - PyObject *result; - PyObject *args = PyTuple_New(1); - if (unlikely(!args)) return NULL; - Py_INCREF(arg); - PyTuple_SET_ITEM(args, 0, arg); - result = __Pyx_PyObject_Call(func, args, NULL); - Py_DECREF(args); - return result; -} -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { -#if CYTHON_FAST_PYCALL - if (PyFunction_Check(func)) { - return __Pyx_PyFunction_FastCall(func, &arg, 1); - } -#endif - if (likely(PyCFunction_Check(func))) { - if (likely(PyCFunction_GET_FLAGS(func) & METH_O)) { - return __Pyx_PyObject_CallMethO(func, arg); -#if CYTHON_FAST_PYCCALL - } else if (PyCFunction_GET_FLAGS(func) & METH_FASTCALL) { - return __Pyx_PyCFunction_FastCall(func, &arg, 1); -#endif - } - } - return __Pyx__PyObject_CallOneArg(func, arg); -} -#else -static CYTHON_INLINE PyObject* __Pyx_PyObject_CallOneArg(PyObject *func, PyObject *arg) { - PyObject *result; - PyObject *args = PyTuple_Pack(1, arg); - if (unlikely(!args)) return NULL; - result = __Pyx_PyObject_Call(func, args, NULL); - Py_DECREF(args); - return result; -} -#endif - -/* None */ -static CYTHON_INLINE void __Pyx_RaiseUnboundLocalError(const char *varname) { - PyErr_Format(PyExc_UnboundLocalError, "local variable '%s' referenced before assignment", varname); -} - -/* PyObjectSetAttrStr */ -#if CYTHON_USE_TYPE_SLOTS -static CYTHON_INLINE int __Pyx_PyObject_SetAttrStr(PyObject* obj, PyObject* attr_name, PyObject* value) { - PyTypeObject* tp = Py_TYPE(obj); - if (likely(tp->tp_setattro)) - return tp->tp_setattro(obj, attr_name, value); -#if PY_MAJOR_VERSION < 3 - if (likely(tp->tp_setattr)) - return tp->tp_setattr(obj, PyString_AS_STRING(attr_name), value); -#endif - return PyObject_SetAttr(obj, attr_name, value); -} -#endif - -/* PyObjectCall2Args */ -static CYTHON_UNUSED PyObject* __Pyx_PyObject_Call2Args(PyObject* function, PyObject* arg1, PyObject* arg2) { - PyObject *args, *result = NULL; - #if CYTHON_FAST_PYCALL - if (PyFunction_Check(function)) { - PyObject *args[2] = {arg1, arg2}; - return __Pyx_PyFunction_FastCall(function, args, 2); - } - #endif - #if CYTHON_FAST_PYCCALL - if (__Pyx_PyFastCFunction_Check(function)) { - PyObject *args[2] = {arg1, arg2}; - return __Pyx_PyCFunction_FastCall(function, args, 2); - } - #endif - args = PyTuple_New(2); - if (unlikely(!args)) goto done; - Py_INCREF(arg1); - PyTuple_SET_ITEM(args, 0, arg1); - Py_INCREF(arg2); - PyTuple_SET_ITEM(args, 1, arg2); - Py_INCREF(function); - result = __Pyx_PyObject_Call(function, args, NULL); - Py_DECREF(args); - Py_DECREF(function); -done: - return result; -} - -/* HasAttr */ -static CYTHON_INLINE int __Pyx_HasAttr(PyObject *o, PyObject *n) { - PyObject *r; - if (unlikely(!__Pyx_PyBaseString_Check(n))) { - PyErr_SetString(PyExc_TypeError, - "hasattr(): attribute name must be string"); - return -1; - } - r = __Pyx_GetAttr(o, n); - if (unlikely(!r)) { - PyErr_Clear(); - return 0; - } else { - Py_DECREF(r); - return 1; - } -} - -/* BytesEquals */ -static CYTHON_INLINE int __Pyx_PyBytes_Equals(PyObject* s1, PyObject* s2, int equals) { -#if CYTHON_COMPILING_IN_PYPY - return PyObject_RichCompareBool(s1, s2, equals); -#else - if (s1 == s2) { - return (equals == Py_EQ); - } else if (PyBytes_CheckExact(s1) & PyBytes_CheckExact(s2)) { - const char *ps1, *ps2; - Py_ssize_t length = PyBytes_GET_SIZE(s1); - if (length != PyBytes_GET_SIZE(s2)) - return (equals == Py_NE); - ps1 = PyBytes_AS_STRING(s1); - ps2 = PyBytes_AS_STRING(s2); - if (ps1[0] != ps2[0]) { - return (equals == Py_NE); - } else if (length == 1) { - return (equals == Py_EQ); - } else { - int result; -#if CYTHON_USE_UNICODE_INTERNALS - Py_hash_t hash1, hash2; - hash1 = ((PyBytesObject*)s1)->ob_shash; - hash2 = ((PyBytesObject*)s2)->ob_shash; - if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { - return (equals == Py_NE); - } -#endif - result = memcmp(ps1, ps2, (size_t)length); - return (equals == Py_EQ) ? (result == 0) : (result != 0); - } - } else if ((s1 == Py_None) & PyBytes_CheckExact(s2)) { - return (equals == Py_NE); - } else if ((s2 == Py_None) & PyBytes_CheckExact(s1)) { - return (equals == Py_NE); - } else { - int result; - PyObject* py_result = PyObject_RichCompare(s1, s2, equals); - if (!py_result) - return -1; - result = __Pyx_PyObject_IsTrue(py_result); - Py_DECREF(py_result); - return result; - } -#endif -} - -/* UnicodeEquals */ -static CYTHON_INLINE int __Pyx_PyUnicode_Equals(PyObject* s1, PyObject* s2, int equals) { -#if CYTHON_COMPILING_IN_PYPY - return PyObject_RichCompareBool(s1, s2, equals); -#else -#if PY_MAJOR_VERSION < 3 - PyObject* owned_ref = NULL; -#endif - int s1_is_unicode, s2_is_unicode; - if (s1 == s2) { - goto return_eq; - } - s1_is_unicode = PyUnicode_CheckExact(s1); - s2_is_unicode = PyUnicode_CheckExact(s2); -#if PY_MAJOR_VERSION < 3 - if ((s1_is_unicode & (!s2_is_unicode)) && PyString_CheckExact(s2)) { - owned_ref = PyUnicode_FromObject(s2); - if (unlikely(!owned_ref)) - return -1; - s2 = owned_ref; - s2_is_unicode = 1; - } else if ((s2_is_unicode & (!s1_is_unicode)) && PyString_CheckExact(s1)) { - owned_ref = PyUnicode_FromObject(s1); - if (unlikely(!owned_ref)) - return -1; - s1 = owned_ref; - s1_is_unicode = 1; - } else if (((!s2_is_unicode) & (!s1_is_unicode))) { - return __Pyx_PyBytes_Equals(s1, s2, equals); - } -#endif - if (s1_is_unicode & s2_is_unicode) { - Py_ssize_t length; - int kind; - void *data1, *data2; - if (unlikely(__Pyx_PyUnicode_READY(s1) < 0) || unlikely(__Pyx_PyUnicode_READY(s2) < 0)) - return -1; - length = __Pyx_PyUnicode_GET_LENGTH(s1); - if (length != __Pyx_PyUnicode_GET_LENGTH(s2)) { - goto return_ne; - } -#if CYTHON_USE_UNICODE_INTERNALS - { - Py_hash_t hash1, hash2; - #if CYTHON_PEP393_ENABLED - hash1 = ((PyASCIIObject*)s1)->hash; - hash2 = ((PyASCIIObject*)s2)->hash; - #else - hash1 = ((PyUnicodeObject*)s1)->hash; - hash2 = ((PyUnicodeObject*)s2)->hash; - #endif - if (hash1 != hash2 && hash1 != -1 && hash2 != -1) { - goto return_ne; - } - } -#endif - kind = __Pyx_PyUnicode_KIND(s1); - if (kind != __Pyx_PyUnicode_KIND(s2)) { - goto return_ne; - } - data1 = __Pyx_PyUnicode_DATA(s1); - data2 = __Pyx_PyUnicode_DATA(s2); - if (__Pyx_PyUnicode_READ(kind, data1, 0) != __Pyx_PyUnicode_READ(kind, data2, 0)) { - goto return_ne; - } else if (length == 1) { - goto return_eq; - } else { - int result = memcmp(data1, data2, (size_t)(length * kind)); - #if PY_MAJOR_VERSION < 3 - Py_XDECREF(owned_ref); - #endif - return (equals == Py_EQ) ? (result == 0) : (result != 0); - } - } else if ((s1 == Py_None) & s2_is_unicode) { - goto return_ne; - } else if ((s2 == Py_None) & s1_is_unicode) { - goto return_ne; - } else { - int result; - PyObject* py_result = PyObject_RichCompare(s1, s2, equals); - #if PY_MAJOR_VERSION < 3 - Py_XDECREF(owned_ref); - #endif - if (!py_result) - return -1; - result = __Pyx_PyObject_IsTrue(py_result); - Py_DECREF(py_result); - return result; - } -return_eq: - #if PY_MAJOR_VERSION < 3 - Py_XDECREF(owned_ref); - #endif - return (equals == Py_EQ); -return_ne: - #if PY_MAJOR_VERSION < 3 - Py_XDECREF(owned_ref); - #endif - return (equals == Py_NE); -#endif -} - -/* RaiseTooManyValuesToUnpack */ -static CYTHON_INLINE void __Pyx_RaiseTooManyValuesError(Py_ssize_t expected) { - PyErr_Format(PyExc_ValueError, - "too many values to unpack (expected %" CYTHON_FORMAT_SSIZE_T "d)", expected); -} - -/* RaiseNeedMoreValuesToUnpack */ -static CYTHON_INLINE void __Pyx_RaiseNeedMoreValuesError(Py_ssize_t index) { - PyErr_Format(PyExc_ValueError, - "need more than %" CYTHON_FORMAT_SSIZE_T "d value%.1s to unpack", - index, (index == 1) ? "" : "s"); -} - -/* IterFinish */ -static CYTHON_INLINE int __Pyx_IterFinish(void) { -#if CYTHON_FAST_THREAD_STATE - PyThreadState *tstate = __Pyx_PyThreadState_Current; - PyObject* exc_type = tstate->curexc_type; - if (unlikely(exc_type)) { - if (likely(__Pyx_PyErr_GivenExceptionMatches(exc_type, PyExc_StopIteration))) { - PyObject *exc_value, *exc_tb; - exc_value = tstate->curexc_value; - exc_tb = tstate->curexc_traceback; - tstate->curexc_type = 0; - tstate->curexc_value = 0; - tstate->curexc_traceback = 0; - Py_DECREF(exc_type); - Py_XDECREF(exc_value); - Py_XDECREF(exc_tb); - return 0; - } else { - return -1; - } - } - return 0; -#else - if (unlikely(PyErr_Occurred())) { - if (likely(PyErr_ExceptionMatches(PyExc_StopIteration))) { - PyErr_Clear(); - return 0; - } else { - return -1; - } - } - return 0; -#endif -} - -/* UnpackItemEndCheck */ -static int __Pyx_IternextUnpackEndCheck(PyObject *retval, Py_ssize_t expected) { - if (unlikely(retval)) { - Py_DECREF(retval); - __Pyx_RaiseTooManyValuesError(expected); - return -1; - } else { - return __Pyx_IterFinish(); - } - return 0; -} - -/* Import */ -static PyObject *__Pyx_Import(PyObject *name, PyObject *from_list, int level) { - PyObject *empty_list = 0; - PyObject *module = 0; - PyObject *global_dict = 0; - PyObject *empty_dict = 0; - PyObject *list; - #if PY_MAJOR_VERSION < 3 - PyObject *py_import; - py_import = __Pyx_PyObject_GetAttrStr(__pyx_b, __pyx_n_s_import); - if (!py_import) - goto bad; - #endif - if (from_list) - list = from_list; - else { - empty_list = PyList_New(0); - if (!empty_list) - goto bad; - list = empty_list; - } - global_dict = PyModule_GetDict(__pyx_m); - if (!global_dict) - goto bad; - empty_dict = PyDict_New(); - if (!empty_dict) - goto bad; - { - #if PY_MAJOR_VERSION >= 3 - if (level == -1) { - if (strchr(__Pyx_MODULE_NAME, '.')) { - module = PyImport_ImportModuleLevelObject( - name, global_dict, empty_dict, list, 1); - if (!module) { - if (!PyErr_ExceptionMatches(PyExc_ImportError)) - goto bad; - PyErr_Clear(); - } - } - level = 0; - } - #endif - if (!module) { - #if PY_MAJOR_VERSION < 3 - PyObject *py_level = PyInt_FromLong(level); - if (!py_level) - goto bad; - module = PyObject_CallFunctionObjArgs(py_import, - name, global_dict, empty_dict, list, py_level, (PyObject *)NULL); - Py_DECREF(py_level); - #else - module = PyImport_ImportModuleLevelObject( - name, global_dict, empty_dict, list, level); - #endif - } - } -bad: - #if PY_MAJOR_VERSION < 3 - Py_XDECREF(py_import); - #endif - Py_XDECREF(empty_list); - Py_XDECREF(empty_dict); - return module; -} - -/* ImportFrom */ -static PyObject* __Pyx_ImportFrom(PyObject* module, PyObject* name) { - PyObject* value = __Pyx_PyObject_GetAttrStr(module, name); - if (unlikely(!value) && PyErr_ExceptionMatches(PyExc_AttributeError)) { - PyErr_Format(PyExc_ImportError, - #if PY_MAJOR_VERSION < 3 - "cannot import name %.230s", PyString_AS_STRING(name)); - #else - "cannot import name %S", name); - #endif - } - return value; -} - -/* PyObject_GenericGetAttrNoDict */ -#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 -static PyObject *__Pyx_RaiseGenericGetAttributeError(PyTypeObject *tp, PyObject *attr_name) { - PyErr_Format(PyExc_AttributeError, -#if PY_MAJOR_VERSION >= 3 - "'%.50s' object has no attribute '%U'", - tp->tp_name, attr_name); -#else - "'%.50s' object has no attribute '%.400s'", - tp->tp_name, PyString_AS_STRING(attr_name)); -#endif - return NULL; -} -static CYTHON_INLINE PyObject* __Pyx_PyObject_GenericGetAttrNoDict(PyObject* obj, PyObject* attr_name) { - PyObject *descr; - PyTypeObject *tp = Py_TYPE(obj); - if (unlikely(!PyString_Check(attr_name))) { - return PyObject_GenericGetAttr(obj, attr_name); - } - assert(!tp->tp_dictoffset); - descr = _PyType_Lookup(tp, attr_name); - if (unlikely(!descr)) { - return __Pyx_RaiseGenericGetAttributeError(tp, attr_name); - } - Py_INCREF(descr); - #if PY_MAJOR_VERSION < 3 - if (likely(PyType_HasFeature(Py_TYPE(descr), Py_TPFLAGS_HAVE_CLASS))) - #endif - { - descrgetfunc f = Py_TYPE(descr)->tp_descr_get; - if (unlikely(f)) { - PyObject *res = f(descr, obj, (PyObject *)tp); - Py_DECREF(descr); - return res; - } - } - return descr; -} -#endif - -/* PyObject_GenericGetAttr */ -#if CYTHON_USE_TYPE_SLOTS && CYTHON_USE_PYTYPE_LOOKUP && PY_VERSION_HEX < 0x03070000 -static PyObject* __Pyx_PyObject_GenericGetAttr(PyObject* obj, PyObject* attr_name) { - if (unlikely(Py_TYPE(obj)->tp_dictoffset)) { - return PyObject_GenericGetAttr(obj, attr_name); - } - return __Pyx_PyObject_GenericGetAttrNoDict(obj, attr_name); -} -#endif - -/* SetupReduce */ -static int __Pyx_setup_reduce_is_named(PyObject* meth, PyObject* name) { - int ret; - PyObject *name_attr; - name_attr = __Pyx_PyObject_GetAttrStr(meth, __pyx_n_s_name_2); - if (likely(name_attr)) { - ret = PyObject_RichCompareBool(name_attr, name, Py_EQ); - } else { - ret = -1; - } - if (unlikely(ret < 0)) { - PyErr_Clear(); - ret = 0; - } - Py_XDECREF(name_attr); - return ret; -} -static int __Pyx_setup_reduce(PyObject* type_obj) { - int ret = 0; - PyObject *object_reduce = NULL; - PyObject *object_reduce_ex = NULL; - PyObject *reduce = NULL; - PyObject *reduce_ex = NULL; - PyObject *reduce_cython = NULL; - PyObject *setstate = NULL; - PyObject *setstate_cython = NULL; -#if CYTHON_USE_PYTYPE_LOOKUP - if (_PyType_Lookup((PyTypeObject*)type_obj, __pyx_n_s_getstate)) goto GOOD; -#else - if (PyObject_HasAttr(type_obj, __pyx_n_s_getstate)) goto GOOD; -#endif -#if CYTHON_USE_PYTYPE_LOOKUP - object_reduce_ex = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto BAD; -#else - object_reduce_ex = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce_ex); if (!object_reduce_ex) goto BAD; -#endif - reduce_ex = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_ex); if (unlikely(!reduce_ex)) goto BAD; - if (reduce_ex == object_reduce_ex) { -#if CYTHON_USE_PYTYPE_LOOKUP - object_reduce = _PyType_Lookup(&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto BAD; -#else - object_reduce = __Pyx_PyObject_GetAttrStr((PyObject*)&PyBaseObject_Type, __pyx_n_s_reduce); if (!object_reduce) goto BAD; -#endif - reduce = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce); if (unlikely(!reduce)) goto BAD; - if (reduce == object_reduce || __Pyx_setup_reduce_is_named(reduce, __pyx_n_s_reduce_cython)) { - reduce_cython = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_reduce_cython); if (unlikely(!reduce_cython)) goto BAD; - ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce, reduce_cython); if (unlikely(ret < 0)) goto BAD; - ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_reduce_cython); if (unlikely(ret < 0)) goto BAD; - setstate = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate); - if (!setstate) PyErr_Clear(); - if (!setstate || __Pyx_setup_reduce_is_named(setstate, __pyx_n_s_setstate_cython)) { - setstate_cython = __Pyx_PyObject_GetAttrStr(type_obj, __pyx_n_s_setstate_cython); if (unlikely(!setstate_cython)) goto BAD; - ret = PyDict_SetItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate, setstate_cython); if (unlikely(ret < 0)) goto BAD; - ret = PyDict_DelItem(((PyTypeObject*)type_obj)->tp_dict, __pyx_n_s_setstate_cython); if (unlikely(ret < 0)) goto BAD; - } - PyType_Modified((PyTypeObject*)type_obj); - } - } - goto GOOD; -BAD: - if (!PyErr_Occurred()) - PyErr_Format(PyExc_RuntimeError, "Unable to initialize pickling for %s", ((PyTypeObject*)type_obj)->tp_name); - ret = -1; -GOOD: -#if !CYTHON_USE_PYTYPE_LOOKUP - Py_XDECREF(object_reduce); - Py_XDECREF(object_reduce_ex); -#endif - Py_XDECREF(reduce); - Py_XDECREF(reduce_ex); - Py_XDECREF(reduce_cython); - Py_XDECREF(setstate); - Py_XDECREF(setstate_cython); - return ret; -} - -/* SetVTable */ -static int __Pyx_SetVtable(PyObject *dict, void *vtable) { -#if PY_VERSION_HEX >= 0x02070000 - PyObject *ob = PyCapsule_New(vtable, 0, 0); -#else - PyObject *ob = PyCObject_FromVoidPtr(vtable, 0); -#endif - if (!ob) - goto bad; - if (PyDict_SetItem(dict, __pyx_n_s_pyx_vtable, ob) < 0) - goto bad; - Py_DECREF(ob); - return 0; -bad: - Py_XDECREF(ob); - return -1; -} - -/* CLineInTraceback */ -#ifndef CYTHON_CLINE_IN_TRACEBACK -static int __Pyx_CLineForTraceback(PyThreadState *tstate, int c_line) { - PyObject *use_cline; - PyObject *ptype, *pvalue, *ptraceback; -#if CYTHON_COMPILING_IN_CPYTHON - PyObject **cython_runtime_dict; -#endif - if (unlikely(!__pyx_cython_runtime)) { - return c_line; - } - __Pyx_ErrFetchInState(tstate, &ptype, &pvalue, &ptraceback); -#if CYTHON_COMPILING_IN_CPYTHON - cython_runtime_dict = _PyObject_GetDictPtr(__pyx_cython_runtime); - if (likely(cython_runtime_dict)) { - __PYX_PY_DICT_LOOKUP_IF_MODIFIED( - use_cline, *cython_runtime_dict, - __Pyx_PyDict_GetItemStr(*cython_runtime_dict, __pyx_n_s_cline_in_traceback)) - } else -#endif - { - PyObject *use_cline_obj = __Pyx_PyObject_GetAttrStr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback); - if (use_cline_obj) { - use_cline = PyObject_Not(use_cline_obj) ? Py_False : Py_True; - Py_DECREF(use_cline_obj); - } else { - PyErr_Clear(); - use_cline = NULL; - } - } - if (!use_cline) { - c_line = 0; - PyObject_SetAttr(__pyx_cython_runtime, __pyx_n_s_cline_in_traceback, Py_False); - } - else if (use_cline == Py_False || (use_cline != Py_True && PyObject_Not(use_cline) != 0)) { - c_line = 0; - } - __Pyx_ErrRestoreInState(tstate, ptype, pvalue, ptraceback); - return c_line; -} -#endif - -/* CodeObjectCache */ -static int __pyx_bisect_code_objects(__Pyx_CodeObjectCacheEntry* entries, int count, int code_line) { - int start = 0, mid = 0, end = count - 1; - if (end >= 0 && code_line > entries[end].code_line) { - return count; - } - while (start < end) { - mid = start + (end - start) / 2; - if (code_line < entries[mid].code_line) { - end = mid; - } else if (code_line > entries[mid].code_line) { - start = mid + 1; - } else { - return mid; - } - } - if (code_line <= entries[mid].code_line) { - return mid; - } else { - return mid + 1; - } -} -static PyCodeObject *__pyx_find_code_object(int code_line) { - PyCodeObject* code_object; - int pos; - if (unlikely(!code_line) || unlikely(!__pyx_code_cache.entries)) { - return NULL; - } - pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); - if (unlikely(pos >= __pyx_code_cache.count) || unlikely(__pyx_code_cache.entries[pos].code_line != code_line)) { - return NULL; - } - code_object = __pyx_code_cache.entries[pos].code_object; - Py_INCREF(code_object); - return code_object; -} -static void __pyx_insert_code_object(int code_line, PyCodeObject* code_object) { - int pos, i; - __Pyx_CodeObjectCacheEntry* entries = __pyx_code_cache.entries; - if (unlikely(!code_line)) { - return; - } - if (unlikely(!entries)) { - entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Malloc(64*sizeof(__Pyx_CodeObjectCacheEntry)); - if (likely(entries)) { - __pyx_code_cache.entries = entries; - __pyx_code_cache.max_count = 64; - __pyx_code_cache.count = 1; - entries[0].code_line = code_line; - entries[0].code_object = code_object; - Py_INCREF(code_object); - } - return; - } - pos = __pyx_bisect_code_objects(__pyx_code_cache.entries, __pyx_code_cache.count, code_line); - if ((pos < __pyx_code_cache.count) && unlikely(__pyx_code_cache.entries[pos].code_line == code_line)) { - PyCodeObject* tmp = entries[pos].code_object; - entries[pos].code_object = code_object; - Py_DECREF(tmp); - return; - } - if (__pyx_code_cache.count == __pyx_code_cache.max_count) { - int new_max = __pyx_code_cache.max_count + 64; - entries = (__Pyx_CodeObjectCacheEntry*)PyMem_Realloc( - __pyx_code_cache.entries, (size_t)new_max*sizeof(__Pyx_CodeObjectCacheEntry)); - if (unlikely(!entries)) { - return; - } - __pyx_code_cache.entries = entries; - __pyx_code_cache.max_count = new_max; - } - for (i=__pyx_code_cache.count; i>pos; i--) { - entries[i] = entries[i-1]; - } - entries[pos].code_line = code_line; - entries[pos].code_object = code_object; - __pyx_code_cache.count++; - Py_INCREF(code_object); -} - -/* AddTraceback */ -#include "compile.h" -#include "frameobject.h" -#include "traceback.h" -static PyCodeObject* __Pyx_CreateCodeObjectForTraceback( - const char *funcname, int c_line, - int py_line, const char *filename) { - PyCodeObject *py_code = 0; - PyObject *py_srcfile = 0; - PyObject *py_funcname = 0; - #if PY_MAJOR_VERSION < 3 - py_srcfile = PyString_FromString(filename); - #else - py_srcfile = PyUnicode_FromString(filename); - #endif - if (!py_srcfile) goto bad; - if (c_line) { - #if PY_MAJOR_VERSION < 3 - py_funcname = PyString_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); - #else - py_funcname = PyUnicode_FromFormat( "%s (%s:%d)", funcname, __pyx_cfilenm, c_line); - #endif - } - else { - #if PY_MAJOR_VERSION < 3 - py_funcname = PyString_FromString(funcname); - #else - py_funcname = PyUnicode_FromString(funcname); - #endif - } - if (!py_funcname) goto bad; - py_code = __Pyx_PyCode_New( - 0, - 0, - 0, - 0, - 0, - __pyx_empty_bytes, /*PyObject *code,*/ - __pyx_empty_tuple, /*PyObject *consts,*/ - __pyx_empty_tuple, /*PyObject *names,*/ - __pyx_empty_tuple, /*PyObject *varnames,*/ - __pyx_empty_tuple, /*PyObject *freevars,*/ - __pyx_empty_tuple, /*PyObject *cellvars,*/ - py_srcfile, /*PyObject *filename,*/ - py_funcname, /*PyObject *name,*/ - py_line, - __pyx_empty_bytes /*PyObject *lnotab*/ - ); - Py_DECREF(py_srcfile); - Py_DECREF(py_funcname); - return py_code; -bad: - Py_XDECREF(py_srcfile); - Py_XDECREF(py_funcname); - return NULL; -} -static void __Pyx_AddTraceback(const char *funcname, int c_line, - int py_line, const char *filename) { - PyCodeObject *py_code = 0; - PyFrameObject *py_frame = 0; - PyThreadState *tstate = __Pyx_PyThreadState_Current; - if (c_line) { - c_line = __Pyx_CLineForTraceback(tstate, c_line); - } - py_code = __pyx_find_code_object(c_line ? -c_line : py_line); - if (!py_code) { - py_code = __Pyx_CreateCodeObjectForTraceback( - funcname, c_line, py_line, filename); - if (!py_code) goto bad; - __pyx_insert_code_object(c_line ? -c_line : py_line, py_code); - } - py_frame = PyFrame_New( - tstate, /*PyThreadState *tstate,*/ - py_code, /*PyCodeObject *code,*/ - __pyx_d, /*PyObject *globals,*/ - 0 /*PyObject *locals*/ - ); - if (!py_frame) goto bad; - __Pyx_PyFrame_SetLineNumber(py_frame, py_line); - PyTraceBack_Here(py_frame); -bad: - Py_XDECREF(py_code); - Py_XDECREF(py_frame); -} - -/* CIntToPy */ -static CYTHON_INLINE PyObject* __Pyx_PyInt_From_int(int value) { - const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; - const int is_unsigned = neg_one > const_zero; - if (is_unsigned) { - if (sizeof(int) < sizeof(long)) { - return PyInt_FromLong((long) value); - } else if (sizeof(int) <= sizeof(unsigned long)) { - return PyLong_FromUnsignedLong((unsigned long) value); -#ifdef HAVE_LONG_LONG - } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { - return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); -#endif - } - } else { - if (sizeof(int) <= sizeof(long)) { - return PyInt_FromLong((long) value); -#ifdef HAVE_LONG_LONG - } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { - return PyLong_FromLongLong((PY_LONG_LONG) value); -#endif - } - } - { - int one = 1; int little = (int)*(unsigned char *)&one; - unsigned char *bytes = (unsigned char *)&value; - return _PyLong_FromByteArray(bytes, sizeof(int), - little, !is_unsigned); - } -} - -/* CIntFromPyVerify */ -#define __PYX_VERIFY_RETURN_INT(target_type, func_type, func_value)\ - __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 0) -#define __PYX_VERIFY_RETURN_INT_EXC(target_type, func_type, func_value)\ - __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, 1) -#define __PYX__VERIFY_RETURN_INT(target_type, func_type, func_value, exc)\ - {\ - func_type value = func_value;\ - if (sizeof(target_type) < sizeof(func_type)) {\ - if (unlikely(value != (func_type) (target_type) value)) {\ - func_type zero = 0;\ - if (exc && unlikely(value == (func_type)-1 && PyErr_Occurred()))\ - return (target_type) -1;\ - if (is_unsigned && unlikely(value < zero))\ - goto raise_neg_overflow;\ - else\ - goto raise_overflow;\ - }\ - }\ - return (target_type) value;\ - } - -/* CIntToPy */ -static CYTHON_INLINE PyObject* __Pyx_PyInt_From_long(long value) { - const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; - const int is_unsigned = neg_one > const_zero; - if (is_unsigned) { - if (sizeof(long) < sizeof(long)) { - return PyInt_FromLong((long) value); - } else if (sizeof(long) <= sizeof(unsigned long)) { - return PyLong_FromUnsignedLong((unsigned long) value); -#ifdef HAVE_LONG_LONG - } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { - return PyLong_FromUnsignedLongLong((unsigned PY_LONG_LONG) value); -#endif - } - } else { - if (sizeof(long) <= sizeof(long)) { - return PyInt_FromLong((long) value); -#ifdef HAVE_LONG_LONG - } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { - return PyLong_FromLongLong((PY_LONG_LONG) value); -#endif - } - } - { - int one = 1; int little = (int)*(unsigned char *)&one; - unsigned char *bytes = (unsigned char *)&value; - return _PyLong_FromByteArray(bytes, sizeof(long), - little, !is_unsigned); - } -} - -/* CIntFromPy */ -static CYTHON_INLINE int __Pyx_PyInt_As_int(PyObject *x) { - const int neg_one = (int) ((int) 0 - (int) 1), const_zero = (int) 0; - const int is_unsigned = neg_one > const_zero; -#if PY_MAJOR_VERSION < 3 - if (likely(PyInt_Check(x))) { - if (sizeof(int) < sizeof(long)) { - __PYX_VERIFY_RETURN_INT(int, long, PyInt_AS_LONG(x)) - } else { - long val = PyInt_AS_LONG(x); - if (is_unsigned && unlikely(val < 0)) { - goto raise_neg_overflow; - } - return (int) val; - } - } else -#endif - if (likely(PyLong_Check(x))) { - if (is_unsigned) { -#if CYTHON_USE_PYLONG_INTERNALS - const digit* digits = ((PyLongObject*)x)->ob_digit; - switch (Py_SIZE(x)) { - case 0: return (int) 0; - case 1: __PYX_VERIFY_RETURN_INT(int, digit, digits[0]) - case 2: - if (8 * sizeof(int) > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) >= 2 * PyLong_SHIFT) { - return (int) (((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); - } - } - break; - case 3: - if (8 * sizeof(int) > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) >= 3 * PyLong_SHIFT) { - return (int) (((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); - } - } - break; - case 4: - if (8 * sizeof(int) > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) >= 4 * PyLong_SHIFT) { - return (int) (((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0])); - } - } - break; - } -#endif -#if CYTHON_COMPILING_IN_CPYTHON - if (unlikely(Py_SIZE(x) < 0)) { - goto raise_neg_overflow; - } -#else - { - int result = PyObject_RichCompareBool(x, Py_False, Py_LT); - if (unlikely(result < 0)) - return (int) -1; - if (unlikely(result == 1)) - goto raise_neg_overflow; - } -#endif - if (sizeof(int) <= sizeof(unsigned long)) { - __PYX_VERIFY_RETURN_INT_EXC(int, unsigned long, PyLong_AsUnsignedLong(x)) -#ifdef HAVE_LONG_LONG - } else if (sizeof(int) <= sizeof(unsigned PY_LONG_LONG)) { - __PYX_VERIFY_RETURN_INT_EXC(int, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) -#endif - } - } else { -#if CYTHON_USE_PYLONG_INTERNALS - const digit* digits = ((PyLongObject*)x)->ob_digit; - switch (Py_SIZE(x)) { - case 0: return (int) 0; - case -1: __PYX_VERIFY_RETURN_INT(int, sdigit, (sdigit) (-(sdigit)digits[0])) - case 1: __PYX_VERIFY_RETURN_INT(int, digit, +digits[0]) - case -2: - if (8 * sizeof(int) - 1 > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { - return (int) (((int)-1)*(((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - case 2: - if (8 * sizeof(int) > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { - return (int) ((((((int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - case -3: - if (8 * sizeof(int) - 1 > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { - return (int) (((int)-1)*(((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - case 3: - if (8 * sizeof(int) > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { - return (int) ((((((((int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - case -4: - if (8 * sizeof(int) - 1 > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { - return (int) (((int)-1)*(((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - case 4: - if (8 * sizeof(int) > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(int, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(int) - 1 > 4 * PyLong_SHIFT) { - return (int) ((((((((((int)digits[3]) << PyLong_SHIFT) | (int)digits[2]) << PyLong_SHIFT) | (int)digits[1]) << PyLong_SHIFT) | (int)digits[0]))); - } - } - break; - } -#endif - if (sizeof(int) <= sizeof(long)) { - __PYX_VERIFY_RETURN_INT_EXC(int, long, PyLong_AsLong(x)) -#ifdef HAVE_LONG_LONG - } else if (sizeof(int) <= sizeof(PY_LONG_LONG)) { - __PYX_VERIFY_RETURN_INT_EXC(int, PY_LONG_LONG, PyLong_AsLongLong(x)) -#endif - } - } - { -#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) - PyErr_SetString(PyExc_RuntimeError, - "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); -#else - int val; - PyObject *v = __Pyx_PyNumber_IntOrLong(x); - #if PY_MAJOR_VERSION < 3 - if (likely(v) && !PyLong_Check(v)) { - PyObject *tmp = v; - v = PyNumber_Long(tmp); - Py_DECREF(tmp); - } - #endif - if (likely(v)) { - int one = 1; int is_little = (int)*(unsigned char *)&one; - unsigned char *bytes = (unsigned char *)&val; - int ret = _PyLong_AsByteArray((PyLongObject *)v, - bytes, sizeof(val), - is_little, !is_unsigned); - Py_DECREF(v); - if (likely(!ret)) - return val; - } -#endif - return (int) -1; - } - } else { - int val; - PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); - if (!tmp) return (int) -1; - val = __Pyx_PyInt_As_int(tmp); - Py_DECREF(tmp); - return val; - } -raise_overflow: - PyErr_SetString(PyExc_OverflowError, - "value too large to convert to int"); - return (int) -1; -raise_neg_overflow: - PyErr_SetString(PyExc_OverflowError, - "can't convert negative value to int"); - return (int) -1; -} - -/* CIntFromPy */ -static CYTHON_INLINE long __Pyx_PyInt_As_long(PyObject *x) { - const long neg_one = (long) ((long) 0 - (long) 1), const_zero = (long) 0; - const int is_unsigned = neg_one > const_zero; -#if PY_MAJOR_VERSION < 3 - if (likely(PyInt_Check(x))) { - if (sizeof(long) < sizeof(long)) { - __PYX_VERIFY_RETURN_INT(long, long, PyInt_AS_LONG(x)) - } else { - long val = PyInt_AS_LONG(x); - if (is_unsigned && unlikely(val < 0)) { - goto raise_neg_overflow; - } - return (long) val; - } - } else -#endif - if (likely(PyLong_Check(x))) { - if (is_unsigned) { -#if CYTHON_USE_PYLONG_INTERNALS - const digit* digits = ((PyLongObject*)x)->ob_digit; - switch (Py_SIZE(x)) { - case 0: return (long) 0; - case 1: __PYX_VERIFY_RETURN_INT(long, digit, digits[0]) - case 2: - if (8 * sizeof(long) > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) >= 2 * PyLong_SHIFT) { - return (long) (((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); - } - } - break; - case 3: - if (8 * sizeof(long) > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) >= 3 * PyLong_SHIFT) { - return (long) (((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); - } - } - break; - case 4: - if (8 * sizeof(long) > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) >= 4 * PyLong_SHIFT) { - return (long) (((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0])); - } - } - break; - } -#endif -#if CYTHON_COMPILING_IN_CPYTHON - if (unlikely(Py_SIZE(x) < 0)) { - goto raise_neg_overflow; - } -#else - { - int result = PyObject_RichCompareBool(x, Py_False, Py_LT); - if (unlikely(result < 0)) - return (long) -1; - if (unlikely(result == 1)) - goto raise_neg_overflow; - } -#endif - if (sizeof(long) <= sizeof(unsigned long)) { - __PYX_VERIFY_RETURN_INT_EXC(long, unsigned long, PyLong_AsUnsignedLong(x)) -#ifdef HAVE_LONG_LONG - } else if (sizeof(long) <= sizeof(unsigned PY_LONG_LONG)) { - __PYX_VERIFY_RETURN_INT_EXC(long, unsigned PY_LONG_LONG, PyLong_AsUnsignedLongLong(x)) -#endif - } - } else { -#if CYTHON_USE_PYLONG_INTERNALS - const digit* digits = ((PyLongObject*)x)->ob_digit; - switch (Py_SIZE(x)) { - case 0: return (long) 0; - case -1: __PYX_VERIFY_RETURN_INT(long, sdigit, (sdigit) (-(sdigit)digits[0])) - case 1: __PYX_VERIFY_RETURN_INT(long, digit, +digits[0]) - case -2: - if (8 * sizeof(long) - 1 > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { - return (long) (((long)-1)*(((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - case 2: - if (8 * sizeof(long) > 1 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 2 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { - return (long) ((((((long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - case -3: - if (8 * sizeof(long) - 1 > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { - return (long) (((long)-1)*(((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - case 3: - if (8 * sizeof(long) > 2 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 3 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { - return (long) ((((((((long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - case -4: - if (8 * sizeof(long) - 1 > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, long, -(long) (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { - return (long) (((long)-1)*(((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - case 4: - if (8 * sizeof(long) > 3 * PyLong_SHIFT) { - if (8 * sizeof(unsigned long) > 4 * PyLong_SHIFT) { - __PYX_VERIFY_RETURN_INT(long, unsigned long, (((((((((unsigned long)digits[3]) << PyLong_SHIFT) | (unsigned long)digits[2]) << PyLong_SHIFT) | (unsigned long)digits[1]) << PyLong_SHIFT) | (unsigned long)digits[0]))) - } else if (8 * sizeof(long) - 1 > 4 * PyLong_SHIFT) { - return (long) ((((((((((long)digits[3]) << PyLong_SHIFT) | (long)digits[2]) << PyLong_SHIFT) | (long)digits[1]) << PyLong_SHIFT) | (long)digits[0]))); - } - } - break; - } -#endif - if (sizeof(long) <= sizeof(long)) { - __PYX_VERIFY_RETURN_INT_EXC(long, long, PyLong_AsLong(x)) -#ifdef HAVE_LONG_LONG - } else if (sizeof(long) <= sizeof(PY_LONG_LONG)) { - __PYX_VERIFY_RETURN_INT_EXC(long, PY_LONG_LONG, PyLong_AsLongLong(x)) -#endif - } - } - { -#if CYTHON_COMPILING_IN_PYPY && !defined(_PyLong_AsByteArray) - PyErr_SetString(PyExc_RuntimeError, - "_PyLong_AsByteArray() not available in PyPy, cannot convert large numbers"); -#else - long val; - PyObject *v = __Pyx_PyNumber_IntOrLong(x); - #if PY_MAJOR_VERSION < 3 - if (likely(v) && !PyLong_Check(v)) { - PyObject *tmp = v; - v = PyNumber_Long(tmp); - Py_DECREF(tmp); - } - #endif - if (likely(v)) { - int one = 1; int is_little = (int)*(unsigned char *)&one; - unsigned char *bytes = (unsigned char *)&val; - int ret = _PyLong_AsByteArray((PyLongObject *)v, - bytes, sizeof(val), - is_little, !is_unsigned); - Py_DECREF(v); - if (likely(!ret)) - return val; - } -#endif - return (long) -1; - } - } else { - long val; - PyObject *tmp = __Pyx_PyNumber_IntOrLong(x); - if (!tmp) return (long) -1; - val = __Pyx_PyInt_As_long(tmp); - Py_DECREF(tmp); - return val; - } -raise_overflow: - PyErr_SetString(PyExc_OverflowError, - "value too large to convert to long"); - return (long) -1; -raise_neg_overflow: - PyErr_SetString(PyExc_OverflowError, - "can't convert negative value to long"); - return (long) -1; -} - -/* FastTypeChecks */ -#if CYTHON_COMPILING_IN_CPYTHON -static int __Pyx_InBases(PyTypeObject *a, PyTypeObject *b) { - while (a) { - a = a->tp_base; - if (a == b) - return 1; - } - return b == &PyBaseObject_Type; -} -static CYTHON_INLINE int __Pyx_IsSubtype(PyTypeObject *a, PyTypeObject *b) { - PyObject *mro; - if (a == b) return 1; - mro = a->tp_mro; - if (likely(mro)) { - Py_ssize_t i, n; - n = PyTuple_GET_SIZE(mro); - for (i = 0; i < n; i++) { - if (PyTuple_GET_ITEM(mro, i) == (PyObject *)b) - return 1; - } - return 0; - } - return __Pyx_InBases(a, b); -} -#if PY_MAJOR_VERSION == 2 -static int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject* exc_type2) { - PyObject *exception, *value, *tb; - int res; - __Pyx_PyThreadState_declare - __Pyx_PyThreadState_assign - __Pyx_ErrFetch(&exception, &value, &tb); - res = exc_type1 ? PyObject_IsSubclass(err, exc_type1) : 0; - if (unlikely(res == -1)) { - PyErr_WriteUnraisable(err); - res = 0; - } - if (!res) { - res = PyObject_IsSubclass(err, exc_type2); - if (unlikely(res == -1)) { - PyErr_WriteUnraisable(err); - res = 0; - } - } - __Pyx_ErrRestore(exception, value, tb); - return res; -} -#else -static CYTHON_INLINE int __Pyx_inner_PyErr_GivenExceptionMatches2(PyObject *err, PyObject* exc_type1, PyObject *exc_type2) { - int res = exc_type1 ? __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type1) : 0; - if (!res) { - res = __Pyx_IsSubtype((PyTypeObject*)err, (PyTypeObject*)exc_type2); - } - return res; -} -#endif -static int __Pyx_PyErr_GivenExceptionMatchesTuple(PyObject *exc_type, PyObject *tuple) { - Py_ssize_t i, n; - assert(PyExceptionClass_Check(exc_type)); - n = PyTuple_GET_SIZE(tuple); -#if PY_MAJOR_VERSION >= 3 - for (i=0; ip) { - #if PY_MAJOR_VERSION < 3 - if (t->is_unicode) { - *t->p = PyUnicode_DecodeUTF8(t->s, t->n - 1, NULL); - } else if (t->intern) { - *t->p = PyString_InternFromString(t->s); - } else { - *t->p = PyString_FromStringAndSize(t->s, t->n - 1); - } - #else - if (t->is_unicode | t->is_str) { - if (t->intern) { - *t->p = PyUnicode_InternFromString(t->s); - } else if (t->encoding) { - *t->p = PyUnicode_Decode(t->s, t->n - 1, t->encoding, NULL); - } else { - *t->p = PyUnicode_FromStringAndSize(t->s, t->n - 1); - } - } else { - *t->p = PyBytes_FromStringAndSize(t->s, t->n - 1); - } - #endif - if (!*t->p) - return -1; - if (PyObject_Hash(*t->p) == -1) - return -1; - ++t; - } - return 0; -} - -static CYTHON_INLINE PyObject* __Pyx_PyUnicode_FromString(const char* c_str) { - return __Pyx_PyUnicode_FromStringAndSize(c_str, (Py_ssize_t)strlen(c_str)); -} -static CYTHON_INLINE const char* __Pyx_PyObject_AsString(PyObject* o) { - Py_ssize_t ignore; - return __Pyx_PyObject_AsStringAndSize(o, &ignore); -} -#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT -#if !CYTHON_PEP393_ENABLED -static const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { - char* defenc_c; - PyObject* defenc = _PyUnicode_AsDefaultEncodedString(o, NULL); - if (!defenc) return NULL; - defenc_c = PyBytes_AS_STRING(defenc); -#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII - { - char* end = defenc_c + PyBytes_GET_SIZE(defenc); - char* c; - for (c = defenc_c; c < end; c++) { - if ((unsigned char) (*c) >= 128) { - PyUnicode_AsASCIIString(o); - return NULL; - } - } - } -#endif - *length = PyBytes_GET_SIZE(defenc); - return defenc_c; -} -#else -static CYTHON_INLINE const char* __Pyx_PyUnicode_AsStringAndSize(PyObject* o, Py_ssize_t *length) { - if (unlikely(__Pyx_PyUnicode_READY(o) == -1)) return NULL; -#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII - if (likely(PyUnicode_IS_ASCII(o))) { - *length = PyUnicode_GET_LENGTH(o); - return PyUnicode_AsUTF8(o); - } else { - PyUnicode_AsASCIIString(o); - return NULL; - } -#else - return PyUnicode_AsUTF8AndSize(o, length); -#endif -} -#endif -#endif -static CYTHON_INLINE const char* __Pyx_PyObject_AsStringAndSize(PyObject* o, Py_ssize_t *length) { -#if __PYX_DEFAULT_STRING_ENCODING_IS_ASCII || __PYX_DEFAULT_STRING_ENCODING_IS_DEFAULT - if ( -#if PY_MAJOR_VERSION < 3 && __PYX_DEFAULT_STRING_ENCODING_IS_ASCII - __Pyx_sys_getdefaultencoding_not_ascii && -#endif - PyUnicode_Check(o)) { - return __Pyx_PyUnicode_AsStringAndSize(o, length); - } else -#endif -#if (!CYTHON_COMPILING_IN_PYPY) || (defined(PyByteArray_AS_STRING) && defined(PyByteArray_GET_SIZE)) - if (PyByteArray_Check(o)) { - *length = PyByteArray_GET_SIZE(o); - return PyByteArray_AS_STRING(o); - } else -#endif - { - char* result; - int r = PyBytes_AsStringAndSize(o, &result, length); - if (unlikely(r < 0)) { - return NULL; - } else { - return result; - } - } -} -static CYTHON_INLINE int __Pyx_PyObject_IsTrue(PyObject* x) { - int is_true = x == Py_True; - if (is_true | (x == Py_False) | (x == Py_None)) return is_true; - else return PyObject_IsTrue(x); -} -static CYTHON_INLINE int __Pyx_PyObject_IsTrueAndDecref(PyObject* x) { - int retval; - if (unlikely(!x)) return -1; - retval = __Pyx_PyObject_IsTrue(x); - Py_DECREF(x); - return retval; -} -static PyObject* __Pyx_PyNumber_IntOrLongWrongResultType(PyObject* result, const char* type_name) { -#if PY_MAJOR_VERSION >= 3 - if (PyLong_Check(result)) { - if (PyErr_WarnFormat(PyExc_DeprecationWarning, 1, - "__int__ returned non-int (type %.200s). " - "The ability to return an instance of a strict subclass of int " - "is deprecated, and may be removed in a future version of Python.", - Py_TYPE(result)->tp_name)) { - Py_DECREF(result); - return NULL; - } - return result; - } -#endif - PyErr_Format(PyExc_TypeError, - "__%.4s__ returned non-%.4s (type %.200s)", - type_name, type_name, Py_TYPE(result)->tp_name); - Py_DECREF(result); - return NULL; -} -static CYTHON_INLINE PyObject* __Pyx_PyNumber_IntOrLong(PyObject* x) { -#if CYTHON_USE_TYPE_SLOTS - PyNumberMethods *m; -#endif - const char *name = NULL; - PyObject *res = NULL; -#if PY_MAJOR_VERSION < 3 - if (likely(PyInt_Check(x) || PyLong_Check(x))) -#else - if (likely(PyLong_Check(x))) -#endif - return __Pyx_NewRef(x); -#if CYTHON_USE_TYPE_SLOTS - m = Py_TYPE(x)->tp_as_number; - #if PY_MAJOR_VERSION < 3 - if (m && m->nb_int) { - name = "int"; - res = m->nb_int(x); - } - else if (m && m->nb_long) { - name = "long"; - res = m->nb_long(x); - } - #else - if (likely(m && m->nb_int)) { - name = "int"; - res = m->nb_int(x); - } - #endif -#else - if (!PyBytes_CheckExact(x) && !PyUnicode_CheckExact(x)) { - res = PyNumber_Int(x); - } -#endif - if (likely(res)) { -#if PY_MAJOR_VERSION < 3 - if (unlikely(!PyInt_Check(res) && !PyLong_Check(res))) { -#else - if (unlikely(!PyLong_CheckExact(res))) { -#endif - return __Pyx_PyNumber_IntOrLongWrongResultType(res, name); - } - } - else if (!PyErr_Occurred()) { - PyErr_SetString(PyExc_TypeError, - "an integer is required"); - } - return res; -} -static CYTHON_INLINE Py_ssize_t __Pyx_PyIndex_AsSsize_t(PyObject* b) { - Py_ssize_t ival; - PyObject *x; -#if PY_MAJOR_VERSION < 3 - if (likely(PyInt_CheckExact(b))) { - if (sizeof(Py_ssize_t) >= sizeof(long)) - return PyInt_AS_LONG(b); - else - return PyInt_AsSsize_t(b); - } -#endif - if (likely(PyLong_CheckExact(b))) { - #if CYTHON_USE_PYLONG_INTERNALS - const digit* digits = ((PyLongObject*)b)->ob_digit; - const Py_ssize_t size = Py_SIZE(b); - if (likely(__Pyx_sst_abs(size) <= 1)) { - ival = likely(size) ? digits[0] : 0; - if (size == -1) ival = -ival; - return ival; - } else { - switch (size) { - case 2: - if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { - return (Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - case -2: - if (8 * sizeof(Py_ssize_t) > 2 * PyLong_SHIFT) { - return -(Py_ssize_t) (((((size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - case 3: - if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { - return (Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - case -3: - if (8 * sizeof(Py_ssize_t) > 3 * PyLong_SHIFT) { - return -(Py_ssize_t) (((((((size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - case 4: - if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { - return (Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - case -4: - if (8 * sizeof(Py_ssize_t) > 4 * PyLong_SHIFT) { - return -(Py_ssize_t) (((((((((size_t)digits[3]) << PyLong_SHIFT) | (size_t)digits[2]) << PyLong_SHIFT) | (size_t)digits[1]) << PyLong_SHIFT) | (size_t)digits[0])); - } - break; - } - } - #endif - return PyLong_AsSsize_t(b); - } - x = PyNumber_Index(b); - if (!x) return -1; - ival = PyInt_AsSsize_t(x); - Py_DECREF(x); - return ival; -} -static CYTHON_INLINE PyObject * __Pyx_PyBool_FromLong(long b) { - return b ? __Pyx_NewRef(Py_True) : __Pyx_NewRef(Py_False); -} -static CYTHON_INLINE PyObject * __Pyx_PyInt_FromSize_t(size_t ival) { - return PyInt_FromSize_t(ival); -} - - -#endif /* Py_PYTHON_H */ diff --git a/ext/_ruamel_yaml.h b/ext/_ruamel_yaml.h deleted file mode 100644 index 568db50..0000000 --- a/ext/_ruamel_yaml.h +++ /dev/null @@ -1,23 +0,0 @@ - -#include "yaml.h" - -#if PY_MAJOR_VERSION < 3 - -#define PyUnicode_FromString(s) PyUnicode_DecodeUTF8((s), strlen(s), "strict") - -#else - -#define PyString_CheckExact PyBytes_CheckExact -#define PyString_AS_STRING PyBytes_AS_STRING -#define PyString_GET_SIZE PyBytes_GET_SIZE -#define PyString_FromStringAndSize PyBytes_FromStringAndSize - -#endif - -#ifdef _MSC_VER /* MS Visual C++ 6.0 */ -#if _MSC_VER == 1200 - -#define PyLong_FromUnsignedLongLong(z) PyInt_FromLong(i) - -#endif -#endif diff --git a/ext/_ruamel_yaml.pxd b/ext/_ruamel_yaml.pxd deleted file mode 100644 index d8dc3c6..0000000 --- a/ext/_ruamel_yaml.pxd +++ /dev/null @@ -1,251 +0,0 @@ - -cdef extern from "_ruamel_yaml.h": - - void malloc(int l) - void memcpy(char *d, char *s, int l) - int strlen(char *s) - int PyString_CheckExact(object o) - int PyUnicode_CheckExact(object o) - char *PyString_AS_STRING(object o) - int PyString_GET_SIZE(object o) - object PyString_FromStringAndSize(char *v, int l) - object PyUnicode_FromString(char *u) - object PyUnicode_DecodeUTF8(char *u, int s, char *e) - object PyUnicode_AsUTF8String(object o) - int PY_MAJOR_VERSION - - ctypedef enum: - SIZEOF_VOID_P - ctypedef enum yaml_encoding_t: - YAML_ANY_ENCODING - YAML_UTF8_ENCODING - YAML_UTF16LE_ENCODING - YAML_UTF16BE_ENCODING - ctypedef enum yaml_break_t: - YAML_ANY_BREAK - YAML_CR_BREAK - YAML_LN_BREAK - YAML_CRLN_BREAK - ctypedef enum yaml_error_type_t: - YAML_NO_ERROR - YAML_MEMORY_ERROR - YAML_READER_ERROR - YAML_SCANNER_ERROR - YAML_PARSER_ERROR - YAML_WRITER_ERROR - YAML_EMITTER_ERROR - ctypedef enum yaml_scalar_style_t: - YAML_ANY_SCALAR_STYLE - YAML_PLAIN_SCALAR_STYLE - YAML_SINGLE_QUOTED_SCALAR_STYLE - YAML_DOUBLE_QUOTED_SCALAR_STYLE - YAML_LITERAL_SCALAR_STYLE - YAML_FOLDED_SCALAR_STYLE - ctypedef enum yaml_sequence_style_t: - YAML_ANY_SEQUENCE_STYLE - YAML_BLOCK_SEQUENCE_STYLE - YAML_FLOW_SEQUENCE_STYLE - ctypedef enum yaml_mapping_style_t: - YAML_ANY_MAPPING_STYLE - YAML_BLOCK_MAPPING_STYLE - YAML_FLOW_MAPPING_STYLE - ctypedef enum yaml_token_type_t: - YAML_NO_TOKEN - YAML_STREAM_START_TOKEN - YAML_STREAM_END_TOKEN - YAML_VERSION_DIRECTIVE_TOKEN - YAML_TAG_DIRECTIVE_TOKEN - YAML_DOCUMENT_START_TOKEN - YAML_DOCUMENT_END_TOKEN - YAML_BLOCK_SEQUENCE_START_TOKEN - YAML_BLOCK_MAPPING_START_TOKEN - YAML_BLOCK_END_TOKEN - YAML_FLOW_SEQUENCE_START_TOKEN - YAML_FLOW_SEQUENCE_END_TOKEN - YAML_FLOW_MAPPING_START_TOKEN - YAML_FLOW_MAPPING_END_TOKEN - YAML_BLOCK_ENTRY_TOKEN - YAML_FLOW_ENTRY_TOKEN - YAML_KEY_TOKEN - YAML_VALUE_TOKEN - YAML_ALIAS_TOKEN - YAML_ANCHOR_TOKEN - YAML_TAG_TOKEN - YAML_SCALAR_TOKEN - ctypedef enum yaml_event_type_t: - YAML_NO_EVENT - YAML_STREAM_START_EVENT - YAML_STREAM_END_EVENT - YAML_DOCUMENT_START_EVENT - YAML_DOCUMENT_END_EVENT - YAML_ALIAS_EVENT - YAML_SCALAR_EVENT - YAML_SEQUENCE_START_EVENT - YAML_SEQUENCE_END_EVENT - YAML_MAPPING_START_EVENT - YAML_MAPPING_END_EVENT - - ctypedef int yaml_read_handler_t(void *data, char *buffer, - int size, int *size_read) except 0 - - ctypedef int yaml_write_handler_t(void *data, char *buffer, - int size) except 0 - - ctypedef struct yaml_mark_t: - int index - int line - int column - ctypedef struct yaml_version_directive_t: - int major - int minor - ctypedef struct yaml_tag_directive_t: - char *handle - char *prefix - - ctypedef struct _yaml_token_stream_start_data_t: - yaml_encoding_t encoding - ctypedef struct _yaml_token_alias_data_t: - char *value - ctypedef struct _yaml_token_anchor_data_t: - char *value - ctypedef struct _yaml_token_tag_data_t: - char *handle - char *suffix - ctypedef struct _yaml_token_scalar_data_t: - char *value - int length - yaml_scalar_style_t style - ctypedef struct _yaml_token_version_directive_data_t: - int major - int minor - ctypedef struct _yaml_token_tag_directive_data_t: - char *handle - char *prefix - ctypedef union _yaml_token_data_t: - _yaml_token_stream_start_data_t stream_start - _yaml_token_alias_data_t alias - _yaml_token_anchor_data_t anchor - _yaml_token_tag_data_t tag - _yaml_token_scalar_data_t scalar - _yaml_token_version_directive_data_t version_directive - _yaml_token_tag_directive_data_t tag_directive - ctypedef struct yaml_token_t: - yaml_token_type_t type - _yaml_token_data_t data - yaml_mark_t start_mark - yaml_mark_t end_mark - - ctypedef struct _yaml_event_stream_start_data_t: - yaml_encoding_t encoding - ctypedef struct _yaml_event_document_start_data_tag_directives_t: - yaml_tag_directive_t *start - yaml_tag_directive_t *end - ctypedef struct _yaml_event_document_start_data_t: - yaml_version_directive_t *version_directive - _yaml_event_document_start_data_tag_directives_t tag_directives - int implicit - ctypedef struct _yaml_event_document_end_data_t: - int implicit - ctypedef struct _yaml_event_alias_data_t: - char *anchor - ctypedef struct _yaml_event_scalar_data_t: - char *anchor - char *tag - char *value - int length - int plain_implicit - int quoted_implicit - yaml_scalar_style_t style - ctypedef struct _yaml_event_sequence_start_data_t: - char *anchor - char *tag - int implicit - yaml_sequence_style_t style - ctypedef struct _yaml_event_mapping_start_data_t: - char *anchor - char *tag - int implicit - yaml_mapping_style_t style - ctypedef union _yaml_event_data_t: - _yaml_event_stream_start_data_t stream_start - _yaml_event_document_start_data_t document_start - _yaml_event_document_end_data_t document_end - _yaml_event_alias_data_t alias - _yaml_event_scalar_data_t scalar - _yaml_event_sequence_start_data_t sequence_start - _yaml_event_mapping_start_data_t mapping_start - ctypedef struct yaml_event_t: - yaml_event_type_t type - _yaml_event_data_t data - yaml_mark_t start_mark - yaml_mark_t end_mark - - ctypedef struct yaml_parser_t: - yaml_error_type_t error - char *problem - int problem_offset - int problem_value - yaml_mark_t problem_mark - char *context - yaml_mark_t context_mark - - ctypedef struct yaml_emitter_t: - yaml_error_type_t error - char *problem - - char *yaml_get_version_string() - void yaml_get_version(int *major, int *minor, int *patch) - - void yaml_token_delete(yaml_token_t *token) - - int yaml_stream_start_event_initialize(yaml_event_t *event, - yaml_encoding_t encoding) - int yaml_stream_end_event_initialize(yaml_event_t *event) - int yaml_document_start_event_initialize(yaml_event_t *event, - yaml_version_directive_t *version_directive, - yaml_tag_directive_t *tag_directives_start, - yaml_tag_directive_t *tag_directives_end, - int implicit) - int yaml_document_end_event_initialize(yaml_event_t *event, - int implicit) - int yaml_alias_event_initialize(yaml_event_t *event, char *anchor) - int yaml_scalar_event_initialize(yaml_event_t *event, - char *anchor, char *tag, char *value, int length, - int plain_implicit, int quoted_implicit, - yaml_scalar_style_t style) - int yaml_sequence_start_event_initialize(yaml_event_t *event, - char *anchor, char *tag, int implicit, yaml_sequence_style_t style) - int yaml_sequence_end_event_initialize(yaml_event_t *event) - int yaml_mapping_start_event_initialize(yaml_event_t *event, - char *anchor, char *tag, int implicit, yaml_mapping_style_t style) - int yaml_mapping_end_event_initialize(yaml_event_t *event) - void yaml_event_delete(yaml_event_t *event) - - int yaml_parser_initialize(yaml_parser_t *parser) - void yaml_parser_delete(yaml_parser_t *parser) - void yaml_parser_set_input_string(yaml_parser_t *parser, - char *input, int size) - void yaml_parser_set_input(yaml_parser_t *parser, - yaml_read_handler_t *handler, void *data) - void yaml_parser_set_encoding(yaml_parser_t *parser, - yaml_encoding_t encoding) - int yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token) except * - int yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event) except * - - int yaml_emitter_initialize(yaml_emitter_t *emitter) - void yaml_emitter_delete(yaml_emitter_t *emitter) - void yaml_emitter_set_output_string(yaml_emitter_t *emitter, - char *output, int size, int *size_written) - void yaml_emitter_set_output(yaml_emitter_t *emitter, - yaml_write_handler_t *handler, void *data) - void yaml_emitter_set_encoding(yaml_emitter_t *emitter, - yaml_encoding_t encoding) - void yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical) - void yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent) - void yaml_emitter_set_width(yaml_emitter_t *emitter, int width) - void yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode) - void yaml_emitter_set_break(yaml_emitter_t *emitter, - yaml_break_t line_break) - int yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) except * - int yaml_emitter_flush(yaml_emitter_t *emitter) - diff --git a/ext/_ruamel_yaml.pyx b/ext/_ruamel_yaml.pyx deleted file mode 100644 index cf0204a..0000000 --- a/ext/_ruamel_yaml.pyx +++ /dev/null @@ -1,1526 +0,0 @@ - - -def get_version_string(): - cdef char *value - value = yaml_get_version_string() - if PY_MAJOR_VERSION < 3: - return value - else: - return PyUnicode_FromString(value) - -def get_version(): - cdef int major, minor, patch - yaml_get_version(&major, &minor, &patch) - return (major, minor, patch) - -#Mark = yaml.error.Mark -from ruamel.yaml.error import YAMLError -from ruamel.yaml.reader import ReaderError -from ruamel.yaml.scanner import ScannerError -from ruamel.yaml.parser import ParserError -from ruamel.yaml.composer import ComposerError -from ruamel.yaml.constructor import ConstructorError -from ruamel.yaml.emitter import EmitterError -from ruamel.yaml.serializer import SerializerError -from ruamel.yaml.representer import RepresenterError - -from ruamel.yaml.tokens import StreamStartToken -from ruamel.yaml.tokens import StreamEndToken -from ruamel.yaml.tokens import DirectiveToken -from ruamel.yaml.tokens import DocumentStartToken -from ruamel.yaml.tokens import DocumentEndToken -from ruamel.yaml.tokens import BlockSequenceStartToken -from ruamel.yaml.tokens import BlockMappingStartToken -from ruamel.yaml.tokens import BlockEndToken -from ruamel.yaml.tokens import FlowSequenceStartToken -from ruamel.yaml.tokens import FlowMappingStartToken -from ruamel.yaml.tokens import FlowSequenceEndToken -from ruamel.yaml.tokens import FlowMappingEndToken -from ruamel.yaml.tokens import KeyToken -from ruamel.yaml.tokens import ValueToken -from ruamel.yaml.tokens import BlockEntryToken -from ruamel.yaml.tokens import FlowEntryToken -from ruamel.yaml.tokens import AliasToken -from ruamel.yaml.tokens import AnchorToken -from ruamel.yaml.tokens import TagToken -from ruamel.yaml.tokens import ScalarToken - -from ruamel.yaml.events import StreamStartEvent -from ruamel.yaml.events import StreamEndEvent -from ruamel.yaml.events import DocumentStartEvent -from ruamel.yaml.events import DocumentEndEvent -from ruamel.yaml.events import AliasEvent -from ruamel.yaml.events import ScalarEvent -from ruamel.yaml.events import SequenceStartEvent -from ruamel.yaml.events import SequenceEndEvent -from ruamel.yaml.events import MappingStartEvent -from ruamel.yaml.events import MappingEndEvent - -from ruamel.yaml.nodes import ScalarNode -from ruamel.yaml.nodes import SequenceNode -from ruamel.yaml.nodes import MappingNode - -cdef class Mark: - cdef readonly object name - cdef readonly int index - cdef readonly int line - cdef readonly int column - cdef readonly buffer - cdef readonly pointer - - def __init__(self, object name, int index, int line, int column, - object buffer, object pointer): - self.name = name - self.index = index - self.line = line - self.column = column - self.buffer = buffer - self.pointer = pointer - - def get_snippet(self): - return None - - def __str__(self): - where = " in \"%s\", line %d, column %d" \ - % (self.name, self.line+1, self.column+1) - return where - -#class YAMLError(Exception): -# pass -# -#class MarkedYAMLError(YAMLError): -# -# def __init__(self, context=None, context_mark=None, -# problem=None, problem_mark=None, note=None): -# self.context = context -# self.context_mark = context_mark -# self.problem = problem -# self.problem_mark = problem_mark -# self.note = note -# -# def __str__(self): -# lines = [] -# if self.context is not None: -# lines.append(self.context) -# if self.context_mark is not None \ -# and (self.problem is None or self.problem_mark is None -# or self.context_mark.name != self.problem_mark.name -# or self.context_mark.line != self.problem_mark.line -# or self.context_mark.column != self.problem_mark.column): -# lines.append(str(self.context_mark)) -# if self.problem is not None: -# lines.append(self.problem) -# if self.problem_mark is not None: -# lines.append(str(self.problem_mark)) -# if self.note is not None: -# lines.append(self.note) -# return '\n'.join(lines) -# -#class ReaderError(YAMLError): -# -# def __init__(self, name, position, character, encoding, reason): -# self.name = name -# self.character = character -# self.position = position -# self.encoding = encoding -# self.reason = reason -# -# def __str__(self): -# if isinstance(self.character, str): -# return "'%s' codec can't decode byte #x%02x: %s\n" \ -# " in \"%s\", position %d" \ -# % (self.encoding, ord(self.character), self.reason, -# self.name, self.position) -# else: -# return "unacceptable character #x%04x: %s\n" \ -# " in \"%s\", position %d" \ -# % (ord(self.character), self.reason, -# self.name, self.position) -# -#class ScannerError(MarkedYAMLError): -# pass -# -#class ParserError(MarkedYAMLError): -# pass -# -#class EmitterError(YAMLError): -# pass -# -#cdef class Token: -# cdef readonly Mark start_mark -# cdef readonly Mark end_mark -# def __init__(self, Mark start_mark, Mark end_mark): -# self.start_mark = start_mark -# self.end_mark = end_mark -# -#cdef class StreamStartToken(Token): -# cdef readonly object encoding -# def __init__(self, Mark start_mark, Mark end_mark, encoding): -# self.start_mark = start_mark -# self.end_mark = end_mark -# self.encoding = encoding -# -#cdef class StreamEndToken(Token): -# pass -# -#cdef class DirectiveToken(Token): -# cdef readonly object name -# cdef readonly object value -# def __init__(self, name, value, Mark start_mark, Mark end_mark): -# self.name = name -# self.value = value -# self.start_mark = start_mark -# self.end_mark = end_mark -# -#cdef class DocumentStartToken(Token): -# pass -# -#cdef class DocumentEndToken(Token): -# pass -# -#cdef class BlockSequenceStartToken(Token): -# pass -# -#cdef class BlockMappingStartToken(Token): -# pass -# -#cdef class BlockEndToken(Token): -# pass -# -#cdef class FlowSequenceStartToken(Token): -# pass -# -#cdef class FlowMappingStartToken(Token): -# pass -# -#cdef class FlowSequenceEndToken(Token): -# pass -# -#cdef class FlowMappingEndToken(Token): -# pass -# -#cdef class KeyToken(Token): -# pass -# -#cdef class ValueToken(Token): -# pass -# -#cdef class BlockEntryToken(Token): -# pass -# -#cdef class FlowEntryToken(Token): -# pass -# -#cdef class AliasToken(Token): -# cdef readonly object value -# def __init__(self, value, Mark start_mark, Mark end_mark): -# self.value = value -# self.start_mark = start_mark -# self.end_mark = end_mark -# -#cdef class AnchorToken(Token): -# cdef readonly object value -# def __init__(self, value, Mark start_mark, Mark end_mark): -# self.value = value -# self.start_mark = start_mark -# self.end_mark = end_mark -# -#cdef class TagToken(Token): -# cdef readonly object value -# def __init__(self, value, Mark start_mark, Mark end_mark): -# self.value = value -# self.start_mark = start_mark -# self.end_mark = end_mark -# -#cdef class ScalarToken(Token): -# cdef readonly object value -# cdef readonly object plain -# cdef readonly object style -# def __init__(self, value, plain, Mark start_mark, Mark end_mark, style=None): -# self.value = value -# self.plain = plain -# self.start_mark = start_mark -# self.end_mark = end_mark -# self.style = style - -cdef class CParser: - - cdef yaml_parser_t parser - cdef yaml_event_t parsed_event - - cdef object stream - cdef object stream_name - cdef object current_token - cdef object current_event - cdef object anchors - cdef object stream_cache - cdef int stream_cache_len - cdef int stream_cache_pos - cdef int unicode_source - - def __init__(self, stream): - cdef is_readable - if yaml_parser_initialize(&self.parser) == 0: - raise MemoryError - self.parsed_event.type = YAML_NO_EVENT - is_readable = 1 - try: - stream.read - except AttributeError: - is_readable = 0 - self.unicode_source = 0 - if is_readable: - self.stream = stream - try: - self.stream_name = stream.name - except AttributeError: - if PY_MAJOR_VERSION < 3: - self.stream_name = '' - else: - self.stream_name = u'' - self.stream_cache = None - self.stream_cache_len = 0 - self.stream_cache_pos = 0 - yaml_parser_set_input(&self.parser, input_handler, self) - else: - if PyUnicode_CheckExact(stream) != 0: - stream = PyUnicode_AsUTF8String(stream) - if PY_MAJOR_VERSION < 3: - self.stream_name = '' - else: - self.stream_name = u'' - self.unicode_source = 1 - else: - if PY_MAJOR_VERSION < 3: - self.stream_name = '' - else: - self.stream_name = u'' - if PyString_CheckExact(stream) == 0: - if PY_MAJOR_VERSION < 3: - raise TypeError("a string or stream input is required") - else: - raise TypeError(u"a string or stream input is required") - self.stream = stream - yaml_parser_set_input_string(&self.parser, PyString_AS_STRING(stream), PyString_GET_SIZE(stream)) - self.current_token = None - self.current_event = None - self.anchors = {} - - def __dealloc__(self): - yaml_parser_delete(&self.parser) - yaml_event_delete(&self.parsed_event) - - def dispose(self): - pass - - cdef object _parser_error(self): - if self.parser.error == YAML_MEMORY_ERROR: - return MemoryError - elif self.parser.error == YAML_READER_ERROR: - if PY_MAJOR_VERSION < 3: - return ReaderError(self.stream_name, self.parser.problem_offset, - self.parser.problem_value, '?', self.parser.problem) - else: - return ReaderError(self.stream_name, self.parser.problem_offset, - self.parser.problem_value, u'?', PyUnicode_FromString(self.parser.problem)) - elif self.parser.error == YAML_SCANNER_ERROR \ - or self.parser.error == YAML_PARSER_ERROR: - context_mark = None - problem_mark = None - if self.parser.context != NULL: - context_mark = Mark(self.stream_name, - self.parser.context_mark.index, - self.parser.context_mark.line, - self.parser.context_mark.column, None, None) - if self.parser.problem != NULL: - problem_mark = Mark(self.stream_name, - self.parser.problem_mark.index, - self.parser.problem_mark.line, - self.parser.problem_mark.column, None, None) - context = None - if self.parser.context != NULL: - if PY_MAJOR_VERSION < 3: - context = self.parser.context - else: - context = PyUnicode_FromString(self.parser.context) - if PY_MAJOR_VERSION < 3: - problem = self.parser.problem - else: - problem = PyUnicode_FromString(self.parser.problem) - if self.parser.error == YAML_SCANNER_ERROR: - return ScannerError(context, context_mark, problem, problem_mark) - else: - return ParserError(context, context_mark, problem, problem_mark) - if PY_MAJOR_VERSION < 3: - raise ValueError("no parser error") - else: - raise ValueError(u"no parser error") - - def raw_scan(self): - cdef yaml_token_t token - cdef int done - cdef int count - count = 0 - done = 0 - while done == 0: - if yaml_parser_scan(&self.parser, &token) == 0: - error = self._parser_error() - raise error - if token.type == YAML_NO_TOKEN: - done = 1 - else: - count = count+1 - yaml_token_delete(&token) - return count - - cdef object _scan(self): - cdef yaml_token_t token - if yaml_parser_scan(&self.parser, &token) == 0: - error = self._parser_error() - raise error - token_object = self._token_to_object(&token) - yaml_token_delete(&token) - return token_object - - cdef object _token_to_object(self, yaml_token_t *token): - start_mark = Mark(self.stream_name, - token.start_mark.index, - token.start_mark.line, - token.start_mark.column, - None, None) - end_mark = Mark(self.stream_name, - token.end_mark.index, - token.end_mark.line, - token.end_mark.column, - None, None) - if token.type == YAML_NO_TOKEN: - return None - elif token.type == YAML_STREAM_START_TOKEN: - encoding = None - if token.data.stream_start.encoding == YAML_UTF8_ENCODING: - if self.unicode_source == 0: - encoding = u"utf-8" - elif token.data.stream_start.encoding == YAML_UTF16LE_ENCODING: - encoding = u"utf-16-le" - elif token.data.stream_start.encoding == YAML_UTF16BE_ENCODING: - encoding = u"utf-16-be" - return StreamStartToken(start_mark, end_mark, encoding) - elif token.type == YAML_STREAM_END_TOKEN: - return StreamEndToken(start_mark, end_mark) - elif token.type == YAML_VERSION_DIRECTIVE_TOKEN: - return DirectiveToken(u"YAML", - (token.data.version_directive.major, - token.data.version_directive.minor), - start_mark, end_mark) - elif token.type == YAML_TAG_DIRECTIVE_TOKEN: - handle = PyUnicode_FromString(token.data.tag_directive.handle) - prefix = PyUnicode_FromString(token.data.tag_directive.prefix) - return DirectiveToken(u"TAG", (handle, prefix), - start_mark, end_mark) - elif token.type == YAML_DOCUMENT_START_TOKEN: - return DocumentStartToken(start_mark, end_mark) - elif token.type == YAML_DOCUMENT_END_TOKEN: - return DocumentEndToken(start_mark, end_mark) - elif token.type == YAML_BLOCK_SEQUENCE_START_TOKEN: - return BlockSequenceStartToken(start_mark, end_mark) - elif token.type == YAML_BLOCK_MAPPING_START_TOKEN: - return BlockMappingStartToken(start_mark, end_mark) - elif token.type == YAML_BLOCK_END_TOKEN: - return BlockEndToken(start_mark, end_mark) - elif token.type == YAML_FLOW_SEQUENCE_START_TOKEN: - return FlowSequenceStartToken(start_mark, end_mark) - elif token.type == YAML_FLOW_SEQUENCE_END_TOKEN: - return FlowSequenceEndToken(start_mark, end_mark) - elif token.type == YAML_FLOW_MAPPING_START_TOKEN: - return FlowMappingStartToken(start_mark, end_mark) - elif token.type == YAML_FLOW_MAPPING_END_TOKEN: - return FlowMappingEndToken(start_mark, end_mark) - elif token.type == YAML_BLOCK_ENTRY_TOKEN: - return BlockEntryToken(start_mark, end_mark) - elif token.type == YAML_FLOW_ENTRY_TOKEN: - return FlowEntryToken(start_mark, end_mark) - elif token.type == YAML_KEY_TOKEN: - return KeyToken(start_mark, end_mark) - elif token.type == YAML_VALUE_TOKEN: - return ValueToken(start_mark, end_mark) - elif token.type == YAML_ALIAS_TOKEN: - value = PyUnicode_FromString(token.data.alias.value) - return AliasToken(value, start_mark, end_mark) - elif token.type == YAML_ANCHOR_TOKEN: - value = PyUnicode_FromString(token.data.anchor.value) - return AnchorToken(value, start_mark, end_mark) - elif token.type == YAML_TAG_TOKEN: - handle = PyUnicode_FromString(token.data.tag.handle) - suffix = PyUnicode_FromString(token.data.tag.suffix) - if not handle: - handle = None - return TagToken((handle, suffix), start_mark, end_mark) - elif token.type == YAML_SCALAR_TOKEN: - value = PyUnicode_DecodeUTF8(token.data.scalar.value, - token.data.scalar.length, 'strict') - plain = False - style = None - if token.data.scalar.style == YAML_PLAIN_SCALAR_STYLE: - plain = True - style = u'' - elif token.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE: - style = u'\'' - elif token.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE: - style = u'"' - elif token.data.scalar.style == YAML_LITERAL_SCALAR_STYLE: - style = u'|' - elif token.data.scalar.style == YAML_FOLDED_SCALAR_STYLE: - style = u'>' - return ScalarToken(value, plain, - start_mark, end_mark, style) - else: - if PY_MAJOR_VERSION < 3: - raise ValueError("unknown token type") - else: - raise ValueError(u"unknown token type") - - def get_token(self): - if self.current_token is not None: - value = self.current_token - self.current_token = None - else: - value = self._scan() - return value - - def peek_token(self): - if self.current_token is None: - self.current_token = self._scan() - return self.current_token - - def check_token(self, *choices): - if self.current_token is None: - self.current_token = self._scan() - if self.current_token is None: - return False - if not choices: - return True - token_class = self.current_token.__class__ - for choice in choices: - if token_class is choice: - return True - return False - - def raw_parse(self): - cdef yaml_event_t event - cdef int done - cdef int count - count = 0 - done = 0 - while done == 0: - if yaml_parser_parse(&self.parser, &event) == 0: - error = self._parser_error() - raise error - if event.type == YAML_NO_EVENT: - done = 1 - else: - count = count+1 - yaml_event_delete(&event) - return count - - cdef object _parse(self): - cdef yaml_event_t event - if yaml_parser_parse(&self.parser, &event) == 0: - error = self._parser_error() - raise error - event_object = self._event_to_object(&event) - yaml_event_delete(&event) - return event_object - - cdef object _event_to_object(self, yaml_event_t *event): - cdef yaml_tag_directive_t *tag_directive - start_mark = Mark(self.stream_name, - event.start_mark.index, - event.start_mark.line, - event.start_mark.column, - None, None) - end_mark = Mark(self.stream_name, - event.end_mark.index, - event.end_mark.line, - event.end_mark.column, - None, None) - if event.type == YAML_NO_EVENT: - return None - elif event.type == YAML_STREAM_START_EVENT: - encoding = None - if event.data.stream_start.encoding == YAML_UTF8_ENCODING: - if self.unicode_source == 0: - encoding = u"utf-8" - elif event.data.stream_start.encoding == YAML_UTF16LE_ENCODING: - encoding = u"utf-16-le" - elif event.data.stream_start.encoding == YAML_UTF16BE_ENCODING: - encoding = u"utf-16-be" - return StreamStartEvent(start_mark, end_mark, encoding) - elif event.type == YAML_STREAM_END_EVENT: - return StreamEndEvent(start_mark, end_mark) - elif event.type == YAML_DOCUMENT_START_EVENT: - explicit = False - if event.data.document_start.implicit == 0: - explicit = True - version = None - if event.data.document_start.version_directive != NULL: - version = (event.data.document_start.version_directive.major, - event.data.document_start.version_directive.minor) - tags = None - if event.data.document_start.tag_directives.start != NULL: - tags = {} - tag_directive = event.data.document_start.tag_directives.start - while tag_directive != event.data.document_start.tag_directives.end: - handle = PyUnicode_FromString(tag_directive.handle) - prefix = PyUnicode_FromString(tag_directive.prefix) - tags[handle] = prefix - tag_directive = tag_directive+1 - return DocumentStartEvent(start_mark, end_mark, - explicit, version, tags) - elif event.type == YAML_DOCUMENT_END_EVENT: - explicit = False - if event.data.document_end.implicit == 0: - explicit = True - return DocumentEndEvent(start_mark, end_mark, explicit) - elif event.type == YAML_ALIAS_EVENT: - anchor = PyUnicode_FromString(event.data.alias.anchor) - return AliasEvent(anchor, start_mark, end_mark) - elif event.type == YAML_SCALAR_EVENT: - anchor = None - if event.data.scalar.anchor != NULL: - anchor = PyUnicode_FromString(event.data.scalar.anchor) - tag = None - if event.data.scalar.tag != NULL: - tag = PyUnicode_FromString(event.data.scalar.tag) - value = PyUnicode_DecodeUTF8(event.data.scalar.value, - event.data.scalar.length, 'strict') - plain_implicit = False - if event.data.scalar.plain_implicit == 1: - plain_implicit = True - quoted_implicit = False - if event.data.scalar.quoted_implicit == 1: - quoted_implicit = True - style = None - if event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE: - style = u'' - elif event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE: - style = u'\'' - elif event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE: - style = u'"' - elif event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE: - style = u'|' - elif event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE: - style = u'>' - return ScalarEvent(anchor, tag, - (plain_implicit, quoted_implicit), - value, start_mark, end_mark, style) - elif event.type == YAML_SEQUENCE_START_EVENT: - anchor = None - if event.data.sequence_start.anchor != NULL: - anchor = PyUnicode_FromString(event.data.sequence_start.anchor) - tag = None - if event.data.sequence_start.tag != NULL: - tag = PyUnicode_FromString(event.data.sequence_start.tag) - implicit = False - if event.data.sequence_start.implicit == 1: - implicit = True - flow_style = None - if event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE: - flow_style = True - elif event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE: - flow_style = False - return SequenceStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style) - elif event.type == YAML_MAPPING_START_EVENT: - anchor = None - if event.data.mapping_start.anchor != NULL: - anchor = PyUnicode_FromString(event.data.mapping_start.anchor) - tag = None - if event.data.mapping_start.tag != NULL: - tag = PyUnicode_FromString(event.data.mapping_start.tag) - implicit = False - if event.data.mapping_start.implicit == 1: - implicit = True - flow_style = None - if event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE: - flow_style = True - elif event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE: - flow_style = False - return MappingStartEvent(anchor, tag, implicit, - start_mark, end_mark, flow_style) - elif event.type == YAML_SEQUENCE_END_EVENT: - return SequenceEndEvent(start_mark, end_mark) - elif event.type == YAML_MAPPING_END_EVENT: - return MappingEndEvent(start_mark, end_mark) - else: - if PY_MAJOR_VERSION < 3: - raise ValueError("unknown event type") - else: - raise ValueError(u"unknown event type") - - def get_event(self): - if self.current_event is not None: - value = self.current_event - self.current_event = None - else: - value = self._parse() - return value - - def peek_event(self): - if self.current_event is None: - self.current_event = self._parse() - return self.current_event - - def check_event(self, *choices): - if self.current_event is None: - self.current_event = self._parse() - if self.current_event is None: - return False - if not choices: - return True - event_class = self.current_event.__class__ - for choice in choices: - if event_class is choice: - return True - return False - - def check_node(self): - self._parse_next_event() - if self.parsed_event.type == YAML_STREAM_START_EVENT: - yaml_event_delete(&self.parsed_event) - self._parse_next_event() - if self.parsed_event.type != YAML_STREAM_END_EVENT: - return True - return False - - def get_node(self): - self._parse_next_event() - if self.parsed_event.type != YAML_STREAM_END_EVENT: - return self._compose_document() - - def get_single_node(self): - self._parse_next_event() - yaml_event_delete(&self.parsed_event) - self._parse_next_event() - document = None - if self.parsed_event.type != YAML_STREAM_END_EVENT: - document = self._compose_document() - self._parse_next_event() - if self.parsed_event.type != YAML_STREAM_END_EVENT: - mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - if PY_MAJOR_VERSION < 3: - raise ComposerError("expected a single document in the stream", - document.start_mark, "but found another document", mark) - else: - raise ComposerError(u"expected a single document in the stream", - document.start_mark, u"but found another document", mark) - return document - - cdef object _compose_document(self): - yaml_event_delete(&self.parsed_event) - node = self._compose_node(None, None) - self._parse_next_event() - yaml_event_delete(&self.parsed_event) - self.anchors = {} - return node - - cdef object _compose_node(self, object parent, object index): - self._parse_next_event() - if self.parsed_event.type == YAML_ALIAS_EVENT: - anchor = PyUnicode_FromString(self.parsed_event.data.alias.anchor) - if anchor not in self.anchors: - mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - if PY_MAJOR_VERSION < 3: - raise ComposerError(None, None, "found undefined alias", mark) - else: - raise ComposerError(None, None, u"found undefined alias", mark) - yaml_event_delete(&self.parsed_event) - return self.anchors[anchor] - anchor = None - if self.parsed_event.type == YAML_SCALAR_EVENT \ - and self.parsed_event.data.scalar.anchor != NULL: - anchor = PyUnicode_FromString(self.parsed_event.data.scalar.anchor) - elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT \ - and self.parsed_event.data.sequence_start.anchor != NULL: - anchor = PyUnicode_FromString(self.parsed_event.data.sequence_start.anchor) - elif self.parsed_event.type == YAML_MAPPING_START_EVENT \ - and self.parsed_event.data.mapping_start.anchor != NULL: - anchor = PyUnicode_FromString(self.parsed_event.data.mapping_start.anchor) - if anchor is not None: - if anchor in self.anchors: - mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - if PY_MAJOR_VERSION < 3: - raise ComposerError("found duplicate anchor; first occurrence", - self.anchors[anchor].start_mark, "second occurrence", mark) - else: - raise ComposerError(u"found duplicate anchor; first occurrence", - self.anchors[anchor].start_mark, u"second occurrence", mark) - self.descend_resolver(parent, index) - if self.parsed_event.type == YAML_SCALAR_EVENT: - node = self._compose_scalar_node(anchor) - elif self.parsed_event.type == YAML_SEQUENCE_START_EVENT: - node = self._compose_sequence_node(anchor) - elif self.parsed_event.type == YAML_MAPPING_START_EVENT: - node = self._compose_mapping_node(anchor) - self.ascend_resolver() - return node - - cdef _compose_scalar_node(self, object anchor): - start_mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - end_mark = Mark(self.stream_name, - self.parsed_event.end_mark.index, - self.parsed_event.end_mark.line, - self.parsed_event.end_mark.column, - None, None) - value = PyUnicode_DecodeUTF8(self.parsed_event.data.scalar.value, - self.parsed_event.data.scalar.length, 'strict') - plain_implicit = False - if self.parsed_event.data.scalar.plain_implicit == 1: - plain_implicit = True - quoted_implicit = False - if self.parsed_event.data.scalar.quoted_implicit == 1: - quoted_implicit = True - if self.parsed_event.data.scalar.tag == NULL \ - or (self.parsed_event.data.scalar.tag[0] == c'!' - and self.parsed_event.data.scalar.tag[1] == c'\0'): - tag = self.resolve(ScalarNode, value, (plain_implicit, quoted_implicit)) - else: - tag = PyUnicode_FromString(self.parsed_event.data.scalar.tag) - style = None - if self.parsed_event.data.scalar.style == YAML_PLAIN_SCALAR_STYLE: - style = u'' - elif self.parsed_event.data.scalar.style == YAML_SINGLE_QUOTED_SCALAR_STYLE: - style = u'\'' - elif self.parsed_event.data.scalar.style == YAML_DOUBLE_QUOTED_SCALAR_STYLE: - style = u'"' - elif self.parsed_event.data.scalar.style == YAML_LITERAL_SCALAR_STYLE: - style = u'|' - elif self.parsed_event.data.scalar.style == YAML_FOLDED_SCALAR_STYLE: - style = u'>' - node = ScalarNode(tag, value, start_mark, end_mark, style) - if anchor is not None: - self.anchors[anchor] = node - yaml_event_delete(&self.parsed_event) - return node - - cdef _compose_sequence_node(self, object anchor): - cdef int index - start_mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - implicit = False - if self.parsed_event.data.sequence_start.implicit == 1: - implicit = True - if self.parsed_event.data.sequence_start.tag == NULL \ - or (self.parsed_event.data.sequence_start.tag[0] == c'!' - and self.parsed_event.data.sequence_start.tag[1] == c'\0'): - tag = self.resolve(SequenceNode, None, implicit) - else: - tag = PyUnicode_FromString(self.parsed_event.data.sequence_start.tag) - flow_style = None - if self.parsed_event.data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE: - flow_style = True - elif self.parsed_event.data.sequence_start.style == YAML_BLOCK_SEQUENCE_STYLE: - flow_style = False - value = [] - node = SequenceNode(tag, value, start_mark, None, flow_style) - if anchor is not None: - self.anchors[anchor] = node - yaml_event_delete(&self.parsed_event) - index = 0 - self._parse_next_event() - while self.parsed_event.type != YAML_SEQUENCE_END_EVENT: - value.append(self._compose_node(node, index)) - index = index+1 - self._parse_next_event() - node.end_mark = Mark(self.stream_name, - self.parsed_event.end_mark.index, - self.parsed_event.end_mark.line, - self.parsed_event.end_mark.column, - None, None) - yaml_event_delete(&self.parsed_event) - return node - - cdef _compose_mapping_node(self, object anchor): - start_mark = Mark(self.stream_name, - self.parsed_event.start_mark.index, - self.parsed_event.start_mark.line, - self.parsed_event.start_mark.column, - None, None) - implicit = False - if self.parsed_event.data.mapping_start.implicit == 1: - implicit = True - if self.parsed_event.data.mapping_start.tag == NULL \ - or (self.parsed_event.data.mapping_start.tag[0] == c'!' - and self.parsed_event.data.mapping_start.tag[1] == c'\0'): - tag = self.resolve(MappingNode, None, implicit) - else: - tag = PyUnicode_FromString(self.parsed_event.data.mapping_start.tag) - flow_style = None - if self.parsed_event.data.mapping_start.style == YAML_FLOW_MAPPING_STYLE: - flow_style = True - elif self.parsed_event.data.mapping_start.style == YAML_BLOCK_MAPPING_STYLE: - flow_style = False - value = [] - node = MappingNode(tag, value, start_mark, None, flow_style) - if anchor is not None: - self.anchors[anchor] = node - yaml_event_delete(&self.parsed_event) - self._parse_next_event() - while self.parsed_event.type != YAML_MAPPING_END_EVENT: - item_key = self._compose_node(node, None) - item_value = self._compose_node(node, item_key) - value.append((item_key, item_value)) - self._parse_next_event() - node.end_mark = Mark(self.stream_name, - self.parsed_event.end_mark.index, - self.parsed_event.end_mark.line, - self.parsed_event.end_mark.column, - None, None) - yaml_event_delete(&self.parsed_event) - return node - - cdef int _parse_next_event(self) except 0: - if self.parsed_event.type == YAML_NO_EVENT: - if yaml_parser_parse(&self.parser, &self.parsed_event) == 0: - error = self._parser_error() - raise error - return 1 - -cdef int input_handler(void *data, char *buffer, int size, int *read) except 0: - cdef CParser parser - parser = data - if parser.stream_cache is None: - value = parser.stream.read(size) - if PyUnicode_CheckExact(value) != 0: - value = PyUnicode_AsUTF8String(value) - parser.unicode_source = 1 - if PyString_CheckExact(value) == 0: - if PY_MAJOR_VERSION < 3: - raise TypeError("a string value is expected") - else: - raise TypeError(u"a string value is expected") - parser.stream_cache = value - parser.stream_cache_pos = 0 - parser.stream_cache_len = PyString_GET_SIZE(value) - if (parser.stream_cache_len - parser.stream_cache_pos) < size: - size = parser.stream_cache_len - parser.stream_cache_pos - if size > 0: - memcpy(buffer, PyString_AS_STRING(parser.stream_cache) - + parser.stream_cache_pos, size) - read[0] = size - parser.stream_cache_pos += size - if parser.stream_cache_pos == parser.stream_cache_len: - parser.stream_cache = None - return 1 - -cdef class CEmitter: - - cdef yaml_emitter_t emitter - - cdef object stream - - cdef int document_start_implicit - cdef int document_end_implicit - cdef object use_version - cdef object use_tags - - cdef object serialized_nodes - cdef object anchors - cdef int last_alias_id - cdef int closed - cdef int dump_unicode - cdef object use_encoding - - def __init__(self, stream, canonical=None, indent=None, width=None, - allow_unicode=None, line_break=None, encoding=None, - explicit_start=None, explicit_end=None, version=None, tags=None): - if yaml_emitter_initialize(&self.emitter) == 0: - raise MemoryError - self.stream = stream - self.dump_unicode = 0 - if PY_MAJOR_VERSION < 3: - if getattr3(stream, 'encoding', None): - self.dump_unicode = 1 - else: - if hasattr(stream, u'encoding'): - self.dump_unicode = 1 - self.use_encoding = encoding - yaml_emitter_set_output(&self.emitter, output_handler, self) - if canonical: - yaml_emitter_set_canonical(&self.emitter, 1) - if indent is not None: - yaml_emitter_set_indent(&self.emitter, indent) - if width is not None: - yaml_emitter_set_width(&self.emitter, width) - if allow_unicode: - yaml_emitter_set_unicode(&self.emitter, 1) - if line_break is not None: - if line_break == '\r': - yaml_emitter_set_break(&self.emitter, YAML_CR_BREAK) - elif line_break == '\n': - yaml_emitter_set_break(&self.emitter, YAML_LN_BREAK) - elif line_break == '\r\n': - yaml_emitter_set_break(&self.emitter, YAML_CRLN_BREAK) - self.document_start_implicit = 1 - if explicit_start: - self.document_start_implicit = 0 - self.document_end_implicit = 1 - if explicit_end: - self.document_end_implicit = 0 - self.use_version = version - self.use_tags = tags - self.serialized_nodes = {} - self.anchors = {} - self.last_alias_id = 0 - self.closed = -1 - - def __dealloc__(self): - yaml_emitter_delete(&self.emitter) - - def dispose(self): - pass - - cdef object _emitter_error(self): - if self.emitter.error == YAML_MEMORY_ERROR: - return MemoryError - elif self.emitter.error == YAML_EMITTER_ERROR: - if PY_MAJOR_VERSION < 3: - problem = self.emitter.problem - else: - problem = PyUnicode_FromString(self.emitter.problem) - return EmitterError(problem) - if PY_MAJOR_VERSION < 3: - raise ValueError("no emitter error") - else: - raise ValueError(u"no emitter error") - - cdef int _object_to_event(self, object event_object, yaml_event_t *event) except 0: - cdef yaml_encoding_t encoding - cdef yaml_version_directive_t version_directive_value - cdef yaml_version_directive_t *version_directive - cdef yaml_tag_directive_t tag_directives_value[128] - cdef yaml_tag_directive_t *tag_directives_start - cdef yaml_tag_directive_t *tag_directives_end - cdef int implicit - cdef int plain_implicit - cdef int quoted_implicit - cdef char *anchor - cdef char *tag - cdef char *value - cdef int length - cdef yaml_scalar_style_t scalar_style - cdef yaml_sequence_style_t sequence_style - cdef yaml_mapping_style_t mapping_style - event_class = event_object.__class__ - if event_class is StreamStartEvent: - encoding = YAML_UTF8_ENCODING - if event_object.encoding == u'utf-16-le' or event_object.encoding == 'utf-16-le': - encoding = YAML_UTF16LE_ENCODING - elif event_object.encoding == u'utf-16-be' or event_object.encoding == 'utf-16-be': - encoding = YAML_UTF16BE_ENCODING - if event_object.encoding is None: - self.dump_unicode = 1 - if self.dump_unicode == 1: - encoding = YAML_UTF8_ENCODING - yaml_stream_start_event_initialize(event, encoding) - elif event_class is StreamEndEvent: - yaml_stream_end_event_initialize(event) - elif event_class is DocumentStartEvent: - version_directive = NULL - if event_object.version: - version_directive_value.major = event_object.version[0] - version_directive_value.minor = event_object.version[1] - version_directive = &version_directive_value - tag_directives_start = NULL - tag_directives_end = NULL - if event_object.tags: - if len(event_object.tags) > 128: - if PY_MAJOR_VERSION < 3: - raise ValueError("too many tags") - else: - raise ValueError(u"too many tags") - tag_directives_start = tag_directives_value - tag_directives_end = tag_directives_value - cache = [] - for handle in event_object.tags: - prefix = event_object.tags[handle] - if PyUnicode_CheckExact(handle): - handle = PyUnicode_AsUTF8String(handle) - cache.append(handle) - if not PyString_CheckExact(handle): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag handle must be a string") - else: - raise TypeError(u"tag handle must be a string") - tag_directives_end.handle = PyString_AS_STRING(handle) - if PyUnicode_CheckExact(prefix): - prefix = PyUnicode_AsUTF8String(prefix) - cache.append(prefix) - if not PyString_CheckExact(prefix): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag prefix must be a string") - else: - raise TypeError(u"tag prefix must be a string") - tag_directives_end.prefix = PyString_AS_STRING(prefix) - tag_directives_end = tag_directives_end+1 - implicit = 1 - if event_object.explicit: - implicit = 0 - if yaml_document_start_event_initialize(event, version_directive, - tag_directives_start, tag_directives_end, implicit) == 0: - raise MemoryError - elif event_class is DocumentEndEvent: - implicit = 1 - if event_object.explicit: - implicit = 0 - yaml_document_end_event_initialize(event, implicit) - elif event_class is AliasEvent: - anchor = NULL - anchor_object = event_object.anchor - if PyUnicode_CheckExact(anchor_object): - anchor_object = PyUnicode_AsUTF8String(anchor_object) - if not PyString_CheckExact(anchor_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("anchor must be a string") - else: - raise TypeError(u"anchor must be a string") - anchor = PyString_AS_STRING(anchor_object) - if yaml_alias_event_initialize(event, anchor) == 0: - raise MemoryError - elif event_class is ScalarEvent: - anchor = NULL - anchor_object = event_object.anchor - if anchor_object is not None: - if PyUnicode_CheckExact(anchor_object): - anchor_object = PyUnicode_AsUTF8String(anchor_object) - if not PyString_CheckExact(anchor_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("anchor must be a string") - else: - raise TypeError(u"anchor must be a string") - anchor = PyString_AS_STRING(anchor_object) - tag = NULL - tag_object = event_object.tag - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - value_object = event_object.value - if PyUnicode_CheckExact(value_object): - value_object = PyUnicode_AsUTF8String(value_object) - if not PyString_CheckExact(value_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("value must be a string") - else: - raise TypeError(u"value must be a string") - value = PyString_AS_STRING(value_object) - length = PyString_GET_SIZE(value_object) - plain_implicit = 0 - quoted_implicit = 0 - if event_object.implicit is not None: - plain_implicit = event_object.implicit[0] - quoted_implicit = event_object.implicit[1] - style_object = event_object.style - scalar_style = YAML_PLAIN_SCALAR_STYLE - if style_object == "'" or style_object == u"'": - scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE - elif style_object == "\"" or style_object == u"\"": - scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE - elif style_object == "|" or style_object == u"|": - scalar_style = YAML_LITERAL_SCALAR_STYLE - elif style_object == ">" or style_object == u">": - scalar_style = YAML_FOLDED_SCALAR_STYLE - if yaml_scalar_event_initialize(event, anchor, tag, value, length, - plain_implicit, quoted_implicit, scalar_style) == 0: - raise MemoryError - elif event_class is SequenceStartEvent: - anchor = NULL - anchor_object = event_object.anchor - if anchor_object is not None: - if PyUnicode_CheckExact(anchor_object): - anchor_object = PyUnicode_AsUTF8String(anchor_object) - if not PyString_CheckExact(anchor_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("anchor must be a string") - else: - raise TypeError(u"anchor must be a string") - anchor = PyString_AS_STRING(anchor_object) - tag = NULL - tag_object = event_object.tag - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - implicit = 0 - if event_object.implicit: - implicit = 1 - sequence_style = YAML_BLOCK_SEQUENCE_STYLE - if event_object.flow_style: - sequence_style = YAML_FLOW_SEQUENCE_STYLE - if yaml_sequence_start_event_initialize(event, anchor, tag, - implicit, sequence_style) == 0: - raise MemoryError - elif event_class is MappingStartEvent: - anchor = NULL - anchor_object = event_object.anchor - if anchor_object is not None: - if PyUnicode_CheckExact(anchor_object): - anchor_object = PyUnicode_AsUTF8String(anchor_object) - if not PyString_CheckExact(anchor_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("anchor must be a string") - else: - raise TypeError(u"anchor must be a string") - anchor = PyString_AS_STRING(anchor_object) - tag = NULL - tag_object = event_object.tag - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - implicit = 0 - if event_object.implicit: - implicit = 1 - mapping_style = YAML_BLOCK_MAPPING_STYLE - if event_object.flow_style: - mapping_style = YAML_FLOW_MAPPING_STYLE - if yaml_mapping_start_event_initialize(event, anchor, tag, - implicit, mapping_style) == 0: - raise MemoryError - elif event_class is SequenceEndEvent: - yaml_sequence_end_event_initialize(event) - elif event_class is MappingEndEvent: - yaml_mapping_end_event_initialize(event) - else: - if PY_MAJOR_VERSION < 3: - raise TypeError("invalid event %s" % event_object) - else: - raise TypeError(u"invalid event %s" % event_object) - return 1 - - def emit(self, event_object): - cdef yaml_event_t event - self._object_to_event(event_object, &event) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - - def open(self): - cdef yaml_event_t event - cdef yaml_encoding_t encoding - if self.closed == -1: - if self.use_encoding == u'utf-16-le' or self.use_encoding == 'utf-16-le': - encoding = YAML_UTF16LE_ENCODING - elif self.use_encoding == u'utf-16-be' or self.use_encoding == 'utf-16-be': - encoding = YAML_UTF16BE_ENCODING - else: - encoding = YAML_UTF8_ENCODING - if self.use_encoding is None: - self.dump_unicode = 1 - if self.dump_unicode == 1: - encoding = YAML_UTF8_ENCODING - yaml_stream_start_event_initialize(&event, encoding) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - self.closed = 0 - elif self.closed == 1: - if PY_MAJOR_VERSION < 3: - raise SerializerError("serializer is closed") - else: - raise SerializerError(u"serializer is closed") - else: - if PY_MAJOR_VERSION < 3: - raise SerializerError("serializer is already opened") - else: - raise SerializerError(u"serializer is already opened") - - def close(self): - cdef yaml_event_t event - if self.closed == -1: - if PY_MAJOR_VERSION < 3: - raise SerializerError("serializer is not opened") - else: - raise SerializerError(u"serializer is not opened") - elif self.closed == 0: - yaml_stream_end_event_initialize(&event) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - self.closed = 1 - - def serialize(self, node): - cdef yaml_event_t event - cdef yaml_version_directive_t version_directive_value - cdef yaml_version_directive_t *version_directive - cdef yaml_tag_directive_t tag_directives_value[128] - cdef yaml_tag_directive_t *tag_directives_start - cdef yaml_tag_directive_t *tag_directives_end - if self.closed == -1: - if PY_MAJOR_VERSION < 3: - raise SerializerError("serializer is not opened") - else: - raise SerializerError(u"serializer is not opened") - elif self.closed == 1: - if PY_MAJOR_VERSION < 3: - raise SerializerError("serializer is closed") - else: - raise SerializerError(u"serializer is closed") - cache = [] - version_directive = NULL - if self.use_version: - version_directive_value.major = self.use_version[0] - version_directive_value.minor = self.use_version[1] - version_directive = &version_directive_value - tag_directives_start = NULL - tag_directives_end = NULL - if self.use_tags: - if len(self.use_tags) > 128: - if PY_MAJOR_VERSION < 3: - raise ValueError("too many tags") - else: - raise ValueError(u"too many tags") - tag_directives_start = tag_directives_value - tag_directives_end = tag_directives_value - for handle in self.use_tags: - prefix = self.use_tags[handle] - if PyUnicode_CheckExact(handle): - handle = PyUnicode_AsUTF8String(handle) - cache.append(handle) - if not PyString_CheckExact(handle): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag handle must be a string") - else: - raise TypeError(u"tag handle must be a string") - tag_directives_end.handle = PyString_AS_STRING(handle) - if PyUnicode_CheckExact(prefix): - prefix = PyUnicode_AsUTF8String(prefix) - cache.append(prefix) - if not PyString_CheckExact(prefix): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag prefix must be a string") - else: - raise TypeError(u"tag prefix must be a string") - tag_directives_end.prefix = PyString_AS_STRING(prefix) - tag_directives_end = tag_directives_end+1 - if yaml_document_start_event_initialize(&event, version_directive, - tag_directives_start, tag_directives_end, - self.document_start_implicit) == 0: - raise MemoryError - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - self._anchor_node(node) - self._serialize_node(node, None, None) - yaml_document_end_event_initialize(&event, self.document_end_implicit) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - self.serialized_nodes = {} - self.anchors = {} - self.last_alias_id = 0 - - cdef int _anchor_node(self, object node) except 0: - if node in self.anchors: - if self.anchors[node] is None: - self.last_alias_id = self.last_alias_id+1 - self.anchors[node] = u"id%03d" % self.last_alias_id - else: - self.anchors[node] = None - node_class = node.__class__ - if node_class is SequenceNode: - for item in node.value: - self._anchor_node(item) - elif node_class is MappingNode: - for key, value in node.value: - self._anchor_node(key) - self._anchor_node(value) - return 1 - - cdef int _serialize_node(self, object node, object parent, object index) except 0: - cdef yaml_event_t event - cdef int implicit - cdef int plain_implicit - cdef int quoted_implicit - cdef char *anchor - cdef char *tag - cdef char *value - cdef int length - cdef int item_index - cdef yaml_scalar_style_t scalar_style - cdef yaml_sequence_style_t sequence_style - cdef yaml_mapping_style_t mapping_style - anchor_object = self.anchors[node] - anchor = NULL - if anchor_object is not None: - if PyUnicode_CheckExact(anchor_object): - anchor_object = PyUnicode_AsUTF8String(anchor_object) - if not PyString_CheckExact(anchor_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("anchor must be a string") - else: - raise TypeError(u"anchor must be a string") - anchor = PyString_AS_STRING(anchor_object) - if node in self.serialized_nodes: - if yaml_alias_event_initialize(&event, anchor) == 0: - raise MemoryError - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - else: - node_class = node.__class__ - self.serialized_nodes[node] = True - self.descend_resolver(parent, index) - if node_class is ScalarNode: - plain_implicit = 0 - quoted_implicit = 0 - tag_object = node.tag - if self.resolve(ScalarNode, node.value, (True, False)) == tag_object: - plain_implicit = 1 - if self.resolve(ScalarNode, node.value, (False, True)) == tag_object: - quoted_implicit = 1 - tag = NULL - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - value_object = node.value - if PyUnicode_CheckExact(value_object): - value_object = PyUnicode_AsUTF8String(value_object) - if not PyString_CheckExact(value_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("value must be a string") - else: - raise TypeError(u"value must be a string") - value = PyString_AS_STRING(value_object) - length = PyString_GET_SIZE(value_object) - style_object = node.style - scalar_style = YAML_PLAIN_SCALAR_STYLE - if style_object == "'" or style_object == u"'": - scalar_style = YAML_SINGLE_QUOTED_SCALAR_STYLE - elif style_object == "\"" or style_object == u"\"": - scalar_style = YAML_DOUBLE_QUOTED_SCALAR_STYLE - elif style_object == "|" or style_object == u"|": - scalar_style = YAML_LITERAL_SCALAR_STYLE - elif style_object == ">" or style_object == u">": - scalar_style = YAML_FOLDED_SCALAR_STYLE - if yaml_scalar_event_initialize(&event, anchor, tag, value, length, - plain_implicit, quoted_implicit, scalar_style) == 0: - raise MemoryError - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - elif node_class is SequenceNode: - implicit = 0 - tag_object = node.tag - if self.resolve(SequenceNode, node.value, True) == tag_object: - implicit = 1 - tag = NULL - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - sequence_style = YAML_BLOCK_SEQUENCE_STYLE - if node.flow_style: - sequence_style = YAML_FLOW_SEQUENCE_STYLE - if yaml_sequence_start_event_initialize(&event, anchor, tag, - implicit, sequence_style) == 0: - raise MemoryError - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - item_index = 0 - for item in node.value: - self._serialize_node(item, node, item_index) - item_index = item_index+1 - yaml_sequence_end_event_initialize(&event) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - elif node_class is MappingNode: - implicit = 0 - tag_object = node.tag - if self.resolve(MappingNode, node.value, True) == tag_object: - implicit = 1 - tag = NULL - if tag_object is not None: - if PyUnicode_CheckExact(tag_object): - tag_object = PyUnicode_AsUTF8String(tag_object) - if not PyString_CheckExact(tag_object): - if PY_MAJOR_VERSION < 3: - raise TypeError("tag must be a string") - else: - raise TypeError(u"tag must be a string") - tag = PyString_AS_STRING(tag_object) - mapping_style = YAML_BLOCK_MAPPING_STYLE - if node.flow_style: - mapping_style = YAML_FLOW_MAPPING_STYLE - if yaml_mapping_start_event_initialize(&event, anchor, tag, - implicit, mapping_style) == 0: - raise MemoryError - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - for item_key, item_value in node.value: - self._serialize_node(item_key, node, None) - self._serialize_node(item_value, node, item_key) - yaml_mapping_end_event_initialize(&event) - if yaml_emitter_emit(&self.emitter, &event) == 0: - error = self._emitter_error() - raise error - self.ascend_resolver() - return 1 - -cdef int output_handler(void *data, char *buffer, int size) except 0: - cdef CEmitter emitter - emitter = data - if emitter.dump_unicode == 0: - value = PyString_FromStringAndSize(buffer, size) - else: - value = PyUnicode_DecodeUTF8(buffer, size, 'strict') - emitter.stream.write(value) - return 1 - diff --git a/ext/api.c b/ext/api.c deleted file mode 100644 index 80b3978..0000000 --- a/ext/api.c +++ /dev/null @@ -1,1398 +0,0 @@ - -#include "yaml_private.h" - -/* - * Get the library version. - */ - -YAML_DECLARE(const char *) -yaml_get_version_string(void) -{ - return YAML_VERSION_STRING; -} - -/* - * Get the library version numbers. - */ - -YAML_DECLARE(void) -yaml_get_version(int *major, int *minor, int *patch) -{ - *major = YAML_VERSION_MAJOR; - *minor = YAML_VERSION_MINOR; - *patch = YAML_VERSION_PATCH; -} - -/* - * Allocate a dynamic memory block. - */ - -YAML_DECLARE(void *) -yaml_malloc(size_t size) -{ - return malloc(size ? size : 1); -} - -/* - * Reallocate a dynamic memory block. - */ - -YAML_DECLARE(void *) -yaml_realloc(void *ptr, size_t size) -{ - return ptr ? realloc(ptr, size ? size : 1) : malloc(size ? size : 1); -} - -/* - * Free a dynamic memory block. - */ - -YAML_DECLARE(void) -yaml_free(void *ptr) -{ - if (ptr) free(ptr); -} - -/* - * Duplicate a string. - */ - -YAML_DECLARE(yaml_char_t *) -yaml_strdup(const yaml_char_t *str) -{ - if (!str) - return NULL; - - return (yaml_char_t *)strdup((char *)str); -} - -/* - * Extend a string. - */ - -YAML_DECLARE(int) -yaml_string_extend(yaml_char_t **start, - yaml_char_t **pointer, yaml_char_t **end) -{ - yaml_char_t *new_start = (yaml_char_t *)yaml_realloc((void*)*start, (*end - *start)*2); - - if (!new_start) return 0; - - memset(new_start + (*end - *start), 0, *end - *start); - - *pointer = new_start + (*pointer - *start); - *end = new_start + (*end - *start)*2; - *start = new_start; - - return 1; -} - -/* - * Append a string B to a string A. - */ - -YAML_DECLARE(int) -yaml_string_join( - yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end, - yaml_char_t **b_start, yaml_char_t **b_pointer, SHIM(yaml_char_t **b_end)) -{ - UNUSED_PARAM(b_end) - if (*b_start == *b_pointer) - return 1; - - while (*a_end - *a_pointer <= *b_pointer - *b_start) { - if (!yaml_string_extend(a_start, a_pointer, a_end)) - return 0; - } - - memcpy(*a_pointer, *b_start, *b_pointer - *b_start); - *a_pointer += *b_pointer - *b_start; - - return 1; -} - -/* - * Extend a stack. - */ - -YAML_DECLARE(int) -yaml_stack_extend(void **start, void **top, void **end) -{ - void *new_start; - - if ((char *)*end - (char *)*start >= INT_MAX / 2) - return 0; - - new_start = yaml_realloc(*start, ((char *)*end - (char *)*start)*2); - - if (!new_start) return 0; - - *top = (char *)new_start + ((char *)*top - (char *)*start); - *end = (char *)new_start + ((char *)*end - (char *)*start)*2; - *start = new_start; - - return 1; -} - -/* - * Extend or move a queue. - */ - -YAML_DECLARE(int) -yaml_queue_extend(void **start, void **head, void **tail, void **end) -{ - /* Check if we need to resize the queue. */ - - if (*start == *head && *tail == *end) { - void *new_start = yaml_realloc(*start, - ((char *)*end - (char *)*start)*2); - - if (!new_start) return 0; - - *head = (char *)new_start + ((char *)*head - (char *)*start); - *tail = (char *)new_start + ((char *)*tail - (char *)*start); - *end = (char *)new_start + ((char *)*end - (char *)*start)*2; - *start = new_start; - } - - /* Check if we need to move the queue at the beginning of the buffer. */ - - if (*tail == *end) { - if (*head != *tail) { - memmove(*start, *head, (char *)*tail - (char *)*head); - } - *tail = (char *)*tail - (char *)*head + (char *)*start; - *head = *start; - } - - return 1; -} - - -/* - * Create a new parser object. - */ - -YAML_DECLARE(int) -yaml_parser_initialize(yaml_parser_t *parser) -{ - assert(parser); /* Non-NULL parser object expected. */ - - memset(parser, 0, sizeof(yaml_parser_t)); - if (!BUFFER_INIT(parser, parser->raw_buffer, INPUT_RAW_BUFFER_SIZE)) - goto error; - if (!BUFFER_INIT(parser, parser->buffer, INPUT_BUFFER_SIZE)) - goto error; - if (!QUEUE_INIT(parser, parser->tokens, INITIAL_QUEUE_SIZE, yaml_token_t*)) - goto error; - if (!STACK_INIT(parser, parser->indents, int*)) - goto error; - if (!STACK_INIT(parser, parser->simple_keys, yaml_simple_key_t*)) - goto error; - if (!STACK_INIT(parser, parser->states, yaml_parser_state_t*)) - goto error; - if (!STACK_INIT(parser, parser->marks, yaml_mark_t*)) - goto error; - if (!STACK_INIT(parser, parser->tag_directives, yaml_tag_directive_t*)) - goto error; - - return 1; - -error: - - BUFFER_DEL(parser, parser->raw_buffer); - BUFFER_DEL(parser, parser->buffer); - QUEUE_DEL(parser, parser->tokens); - STACK_DEL(parser, parser->indents); - STACK_DEL(parser, parser->simple_keys); - STACK_DEL(parser, parser->states); - STACK_DEL(parser, parser->marks); - STACK_DEL(parser, parser->tag_directives); - - return 0; -} - -/* - * Destroy a parser object. - */ - -YAML_DECLARE(void) -yaml_parser_delete(yaml_parser_t *parser) -{ - assert(parser); /* Non-NULL parser object expected. */ - - BUFFER_DEL(parser, parser->raw_buffer); - BUFFER_DEL(parser, parser->buffer); - while (!QUEUE_EMPTY(parser, parser->tokens)) { - yaml_token_delete(&DEQUEUE(parser, parser->tokens)); - } - QUEUE_DEL(parser, parser->tokens); - STACK_DEL(parser, parser->indents); - STACK_DEL(parser, parser->simple_keys); - STACK_DEL(parser, parser->states); - STACK_DEL(parser, parser->marks); - while (!STACK_EMPTY(parser, parser->tag_directives)) { - yaml_tag_directive_t tag_directive = POP(parser, parser->tag_directives); - yaml_free(tag_directive.handle); - yaml_free(tag_directive.prefix); - } - STACK_DEL(parser, parser->tag_directives); - - memset(parser, 0, sizeof(yaml_parser_t)); -} - -/* - * String read handler. - */ - -static int -yaml_string_read_handler(void *data, unsigned char *buffer, size_t size, - size_t *size_read) -{ - yaml_parser_t *parser = (yaml_parser_t *)data; - - if (parser->input.string.current == parser->input.string.end) { - *size_read = 0; - return 1; - } - - if (size > (size_t)(parser->input.string.end - - parser->input.string.current)) { - size = parser->input.string.end - parser->input.string.current; - } - - memcpy(buffer, parser->input.string.current, size); - parser->input.string.current += size; - *size_read = size; - return 1; -} - -/* - * File read handler. - */ - -static int -yaml_file_read_handler(void *data, unsigned char *buffer, size_t size, - size_t *size_read) -{ - yaml_parser_t *parser = (yaml_parser_t *)data; - - *size_read = fread(buffer, 1, size, parser->input.file); - return !ferror(parser->input.file); -} - -/* - * Set a string input. - */ - -YAML_DECLARE(void) -yaml_parser_set_input_string(yaml_parser_t *parser, - const unsigned char *input, size_t size) -{ - assert(parser); /* Non-NULL parser object expected. */ - assert(!parser->read_handler); /* You can set the source only once. */ - assert(input); /* Non-NULL input string expected. */ - - parser->read_handler = yaml_string_read_handler; - parser->read_handler_data = parser; - - parser->input.string.start = input; - parser->input.string.current = input; - parser->input.string.end = input+size; -} - -/* - * Set a file input. - */ - -YAML_DECLARE(void) -yaml_parser_set_input_file(yaml_parser_t *parser, FILE *file) -{ - assert(parser); /* Non-NULL parser object expected. */ - assert(!parser->read_handler); /* You can set the source only once. */ - assert(file); /* Non-NULL file object expected. */ - - parser->read_handler = yaml_file_read_handler; - parser->read_handler_data = parser; - - parser->input.file = file; -} - -/* - * Set a generic input. - */ - -YAML_DECLARE(void) -yaml_parser_set_input(yaml_parser_t *parser, - yaml_read_handler_t *handler, void *data) -{ - assert(parser); /* Non-NULL parser object expected. */ - assert(!parser->read_handler); /* You can set the source only once. */ - assert(handler); /* Non-NULL read handler expected. */ - - parser->read_handler = handler; - parser->read_handler_data = data; -} - -/* - * Set the source encoding. - */ - -YAML_DECLARE(void) -yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding) -{ - assert(parser); /* Non-NULL parser object expected. */ - assert(!parser->encoding); /* Encoding is already set or detected. */ - - parser->encoding = encoding; -} - -/* - * Create a new emitter object. - */ - -YAML_DECLARE(int) -yaml_emitter_initialize(yaml_emitter_t *emitter) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - memset(emitter, 0, sizeof(yaml_emitter_t)); - if (!BUFFER_INIT(emitter, emitter->buffer, OUTPUT_BUFFER_SIZE)) - goto error; - if (!BUFFER_INIT(emitter, emitter->raw_buffer, OUTPUT_RAW_BUFFER_SIZE)) - goto error; - if (!STACK_INIT(emitter, emitter->states, yaml_emitter_state_t*)) - goto error; - if (!QUEUE_INIT(emitter, emitter->events, INITIAL_QUEUE_SIZE, yaml_event_t*)) - goto error; - if (!STACK_INIT(emitter, emitter->indents, int*)) - goto error; - if (!STACK_INIT(emitter, emitter->tag_directives, yaml_tag_directive_t*)) - goto error; - - return 1; - -error: - - BUFFER_DEL(emitter, emitter->buffer); - BUFFER_DEL(emitter, emitter->raw_buffer); - STACK_DEL(emitter, emitter->states); - QUEUE_DEL(emitter, emitter->events); - STACK_DEL(emitter, emitter->indents); - STACK_DEL(emitter, emitter->tag_directives); - - return 0; -} - -/* - * Destroy an emitter object. - */ - -YAML_DECLARE(void) -yaml_emitter_delete(yaml_emitter_t *emitter) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - BUFFER_DEL(emitter, emitter->buffer); - BUFFER_DEL(emitter, emitter->raw_buffer); - STACK_DEL(emitter, emitter->states); - while (!QUEUE_EMPTY(emitter, emitter->events)) { - yaml_event_delete(&DEQUEUE(emitter, emitter->events)); - } - QUEUE_DEL(emitter, emitter->events); - STACK_DEL(emitter, emitter->indents); - while (!STACK_EMPTY(empty, emitter->tag_directives)) { - yaml_tag_directive_t tag_directive = POP(emitter, emitter->tag_directives); - yaml_free(tag_directive.handle); - yaml_free(tag_directive.prefix); - } - STACK_DEL(emitter, emitter->tag_directives); - yaml_free(emitter->anchors); - - memset(emitter, 0, sizeof(yaml_emitter_t)); -} - -/* - * String write handler. - */ - -static int -yaml_string_write_handler(void *data, unsigned char *buffer, size_t size) -{ - yaml_emitter_t *emitter = (yaml_emitter_t *)data; - - if (emitter->output.string.size - *emitter->output.string.size_written - < size) { - memcpy(emitter->output.string.buffer - + *emitter->output.string.size_written, - buffer, - emitter->output.string.size - - *emitter->output.string.size_written); - *emitter->output.string.size_written = emitter->output.string.size; - return 0; - } - - memcpy(emitter->output.string.buffer - + *emitter->output.string.size_written, buffer, size); - *emitter->output.string.size_written += size; - return 1; -} - -/* - * File write handler. - */ - -static int -yaml_file_write_handler(void *data, unsigned char *buffer, size_t size) -{ - yaml_emitter_t *emitter = (yaml_emitter_t *)data; - - return (fwrite(buffer, 1, size, emitter->output.file) == size); -} -/* - * Set a string output. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output_string(yaml_emitter_t *emitter, - unsigned char *output, size_t size, size_t *size_written) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - assert(!emitter->write_handler); /* You can set the output only once. */ - assert(output); /* Non-NULL output string expected. */ - - emitter->write_handler = yaml_string_write_handler; - emitter->write_handler_data = emitter; - - emitter->output.string.buffer = output; - emitter->output.string.size = size; - emitter->output.string.size_written = size_written; - *size_written = 0; -} - -/* - * Set a file output. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - assert(!emitter->write_handler); /* You can set the output only once. */ - assert(file); /* Non-NULL file object expected. */ - - emitter->write_handler = yaml_file_write_handler; - emitter->write_handler_data = emitter; - - emitter->output.file = file; -} - -/* - * Set a generic output handler. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output(yaml_emitter_t *emitter, - yaml_write_handler_t *handler, void *data) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - assert(!emitter->write_handler); /* You can set the output only once. */ - assert(handler); /* Non-NULL handler object expected. */ - - emitter->write_handler = handler; - emitter->write_handler_data = data; -} - -/* - * Set the output encoding. - */ - -YAML_DECLARE(void) -yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - assert(!emitter->encoding); /* You can set encoding only once. */ - - emitter->encoding = encoding; -} - -/* - * Set the canonical output style. - */ - -YAML_DECLARE(void) -yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - emitter->canonical = (canonical != 0); -} - -/* - * Set the indentation increment. - */ - -YAML_DECLARE(void) -yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - emitter->best_indent = (1 < indent && indent < 10) ? indent : 2; -} - -/* - * Set the preferred line width. - */ - -YAML_DECLARE(void) -yaml_emitter_set_width(yaml_emitter_t *emitter, int width) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - emitter->best_width = (width >= 0) ? width : -1; -} - -/* - * Set if unescaped non-ASCII characters are allowed. - */ - -YAML_DECLARE(void) -yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - emitter->unicode = (unicode != 0); -} - -/* - * Set the preferred line break character. - */ - -YAML_DECLARE(void) -yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break) -{ - assert(emitter); /* Non-NULL emitter object expected. */ - - emitter->line_break = line_break; -} - -/* - * Destroy a token object. - */ - -YAML_DECLARE(void) -yaml_token_delete(yaml_token_t *token) -{ - assert(token); /* Non-NULL token object expected. */ - - switch (token->type) - { - case YAML_TAG_DIRECTIVE_TOKEN: - yaml_free(token->data.tag_directive.handle); - yaml_free(token->data.tag_directive.prefix); - break; - - case YAML_ALIAS_TOKEN: - yaml_free(token->data.alias.value); - break; - - case YAML_ANCHOR_TOKEN: - yaml_free(token->data.anchor.value); - break; - - case YAML_TAG_TOKEN: - yaml_free(token->data.tag.handle); - yaml_free(token->data.tag.suffix); - break; - - case YAML_SCALAR_TOKEN: - yaml_free(token->data.scalar.value); - break; - - default: - break; - } - - memset(token, 0, sizeof(yaml_token_t)); -} - -/* - * Check if a string is a valid UTF-8 sequence. - * - * Check 'reader.c' for more details on UTF-8 encoding. - */ - -static int -yaml_check_utf8(yaml_char_t *start, size_t length) -{ - yaml_char_t *end = start+length; - yaml_char_t *pointer = start; - - while (pointer < end) { - unsigned char octet; - unsigned int width; - unsigned int value; - size_t k; - - octet = pointer[0]; - width = (octet & 0x80) == 0x00 ? 1 : - (octet & 0xE0) == 0xC0 ? 2 : - (octet & 0xF0) == 0xE0 ? 3 : - (octet & 0xF8) == 0xF0 ? 4 : 0; - value = (octet & 0x80) == 0x00 ? octet & 0x7F : - (octet & 0xE0) == 0xC0 ? octet & 0x1F : - (octet & 0xF0) == 0xE0 ? octet & 0x0F : - (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0; - if (!width) return 0; - if (pointer+width > end) return 0; - for (k = 1; k < width; k ++) { - octet = pointer[k]; - if ((octet & 0xC0) != 0x80) return 0; - value = (value << 6) + (octet & 0x3F); - } - if (!((width == 1) || - (width == 2 && value >= 0x80) || - (width == 3 && value >= 0x800) || - (width == 4 && value >= 0x10000))) return 0; - - pointer += width; - } - - return 1; -} - -/* - * Create STREAM-START. - */ - -YAML_DECLARE(int) -yaml_stream_start_event_initialize(yaml_event_t *event, - yaml_encoding_t encoding) -{ - yaml_mark_t mark = { 0, 0, 0 }; - - assert(event); /* Non-NULL event object is expected. */ - - STREAM_START_EVENT_INIT(*event, encoding, mark, mark); - - return 1; -} - -/* - * Create STREAM-END. - */ - -YAML_DECLARE(int) -yaml_stream_end_event_initialize(yaml_event_t *event) -{ - yaml_mark_t mark = { 0, 0, 0 }; - - assert(event); /* Non-NULL event object is expected. */ - - STREAM_END_EVENT_INIT(*event, mark, mark); - - return 1; -} - -/* - * Create DOCUMENT-START. - */ - -YAML_DECLARE(int) -yaml_document_start_event_initialize(yaml_event_t *event, - yaml_version_directive_t *version_directive, - yaml_tag_directive_t *tag_directives_start, - yaml_tag_directive_t *tag_directives_end, - int implicit) -{ - struct { - yaml_error_type_t error; - } context; - yaml_mark_t mark = { 0, 0, 0 }; - yaml_version_directive_t *version_directive_copy = NULL; - struct { - yaml_tag_directive_t *start; - yaml_tag_directive_t *end; - yaml_tag_directive_t *top; - } tag_directives_copy = { NULL, NULL, NULL }; - yaml_tag_directive_t value = { NULL, NULL }; - - assert(event); /* Non-NULL event object is expected. */ - assert((tag_directives_start && tag_directives_end) || - (tag_directives_start == tag_directives_end)); - /* Valid tag directives are expected. */ - - if (version_directive) { - version_directive_copy = YAML_MALLOC_STATIC(yaml_version_directive_t); - if (!version_directive_copy) goto error; - version_directive_copy->major = version_directive->major; - version_directive_copy->minor = version_directive->minor; - } - - if (tag_directives_start != tag_directives_end) { - yaml_tag_directive_t *tag_directive; - if (!STACK_INIT(&context, tag_directives_copy, yaml_tag_directive_t*)) - goto error; - for (tag_directive = tag_directives_start; - tag_directive != tag_directives_end; tag_directive ++) { - assert(tag_directive->handle); - assert(tag_directive->prefix); - if (!yaml_check_utf8(tag_directive->handle, - strlen((char *)tag_directive->handle))) - goto error; - if (!yaml_check_utf8(tag_directive->prefix, - strlen((char *)tag_directive->prefix))) - goto error; - value.handle = yaml_strdup(tag_directive->handle); - value.prefix = yaml_strdup(tag_directive->prefix); - if (!value.handle || !value.prefix) goto error; - if (!PUSH(&context, tag_directives_copy, value)) - goto error; - value.handle = NULL; - value.prefix = NULL; - } - } - - DOCUMENT_START_EVENT_INIT(*event, version_directive_copy, - tag_directives_copy.start, tag_directives_copy.top, - implicit, mark, mark); - - return 1; - -error: - yaml_free(version_directive_copy); - while (!STACK_EMPTY(context, tag_directives_copy)) { - yaml_tag_directive_t value = POP(context, tag_directives_copy); - yaml_free(value.handle); - yaml_free(value.prefix); - } - STACK_DEL(context, tag_directives_copy); - yaml_free(value.handle); - yaml_free(value.prefix); - - return 0; -} - -/* - * Create DOCUMENT-END. - */ - -YAML_DECLARE(int) -yaml_document_end_event_initialize(yaml_event_t *event, int implicit) -{ - yaml_mark_t mark = { 0, 0, 0 }; - - assert(event); /* Non-NULL emitter object is expected. */ - - DOCUMENT_END_EVENT_INIT(*event, implicit, mark, mark); - - return 1; -} - -/* - * Create ALIAS. - */ - -YAML_DECLARE(int) -yaml_alias_event_initialize(yaml_event_t *event, yaml_char_t *anchor) -{ - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *anchor_copy = NULL; - - assert(event); /* Non-NULL event object is expected. */ - assert(anchor); /* Non-NULL anchor is expected. */ - - if (!yaml_check_utf8(anchor, strlen((char *)anchor))) return 0; - - anchor_copy = yaml_strdup(anchor); - if (!anchor_copy) - return 0; - - ALIAS_EVENT_INIT(*event, anchor_copy, mark, mark); - - return 1; -} - -/* - * Create SCALAR. - */ - -YAML_DECLARE(int) -yaml_scalar_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, - yaml_char_t *value, int length, - int plain_implicit, int quoted_implicit, - yaml_scalar_style_t style) -{ - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *anchor_copy = NULL; - yaml_char_t *tag_copy = NULL; - yaml_char_t *value_copy = NULL; - - assert(event); /* Non-NULL event object is expected. */ - assert(value); /* Non-NULL anchor is expected. */ - - if (anchor) { - if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error; - anchor_copy = yaml_strdup(anchor); - if (!anchor_copy) goto error; - } - - if (tag) { - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - } - - if (length < 0) { - length = strlen((char *)value); - } - - if (!yaml_check_utf8(value, length)) goto error; - value_copy = YAML_MALLOC(length+1); - if (!value_copy) goto error; - memcpy(value_copy, value, length); - value_copy[length] = '\0'; - - SCALAR_EVENT_INIT(*event, anchor_copy, tag_copy, value_copy, length, - plain_implicit, quoted_implicit, style, mark, mark); - - return 1; - -error: - yaml_free(anchor_copy); - yaml_free(tag_copy); - yaml_free(value_copy); - - return 0; -} - -/* - * Create SEQUENCE-START. - */ - -YAML_DECLARE(int) -yaml_sequence_start_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, int implicit, - yaml_sequence_style_t style) -{ - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *anchor_copy = NULL; - yaml_char_t *tag_copy = NULL; - - assert(event); /* Non-NULL event object is expected. */ - - if (anchor) { - if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error; - anchor_copy = yaml_strdup(anchor); - if (!anchor_copy) goto error; - } - - if (tag) { - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - } - - SEQUENCE_START_EVENT_INIT(*event, anchor_copy, tag_copy, - implicit, style, mark, mark); - - return 1; - -error: - yaml_free(anchor_copy); - yaml_free(tag_copy); - - return 0; -} - -/* - * Create SEQUENCE-END. - */ - -YAML_DECLARE(int) -yaml_sequence_end_event_initialize(yaml_event_t *event) -{ - yaml_mark_t mark = { 0, 0, 0 }; - - assert(event); /* Non-NULL event object is expected. */ - - SEQUENCE_END_EVENT_INIT(*event, mark, mark); - - return 1; -} - -/* - * Create MAPPING-START. - */ - -YAML_DECLARE(int) -yaml_mapping_start_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, int implicit, - yaml_mapping_style_t style) -{ - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *anchor_copy = NULL; - yaml_char_t *tag_copy = NULL; - - assert(event); /* Non-NULL event object is expected. */ - - if (anchor) { - if (!yaml_check_utf8(anchor, strlen((char *)anchor))) goto error; - anchor_copy = yaml_strdup(anchor); - if (!anchor_copy) goto error; - } - - if (tag) { - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - } - - MAPPING_START_EVENT_INIT(*event, anchor_copy, tag_copy, - implicit, style, mark, mark); - - return 1; - -error: - yaml_free(anchor_copy); - yaml_free(tag_copy); - - return 0; -} - -/* - * Create MAPPING-END. - */ - -YAML_DECLARE(int) -yaml_mapping_end_event_initialize(yaml_event_t *event) -{ - yaml_mark_t mark = { 0, 0, 0 }; - - assert(event); /* Non-NULL event object is expected. */ - - MAPPING_END_EVENT_INIT(*event, mark, mark); - - return 1; -} - -/* - * Destroy an event object. - */ - -YAML_DECLARE(void) -yaml_event_delete(yaml_event_t *event) -{ - yaml_tag_directive_t *tag_directive; - - assert(event); /* Non-NULL event object expected. */ - - switch (event->type) - { - case YAML_DOCUMENT_START_EVENT: - yaml_free(event->data.document_start.version_directive); - for (tag_directive = event->data.document_start.tag_directives.start; - tag_directive != event->data.document_start.tag_directives.end; - tag_directive++) { - yaml_free(tag_directive->handle); - yaml_free(tag_directive->prefix); - } - yaml_free(event->data.document_start.tag_directives.start); - break; - - case YAML_ALIAS_EVENT: - yaml_free(event->data.alias.anchor); - break; - - case YAML_SCALAR_EVENT: - yaml_free(event->data.scalar.anchor); - yaml_free(event->data.scalar.tag); - yaml_free(event->data.scalar.value); - break; - - case YAML_SEQUENCE_START_EVENT: - yaml_free(event->data.sequence_start.anchor); - yaml_free(event->data.sequence_start.tag); - break; - - case YAML_MAPPING_START_EVENT: - yaml_free(event->data.mapping_start.anchor); - yaml_free(event->data.mapping_start.tag); - break; - - default: - break; - } - - memset(event, 0, sizeof(yaml_event_t)); -} - -/* - * Create a document object. - */ - -YAML_DECLARE(int) -yaml_document_initialize(yaml_document_t *document, - yaml_version_directive_t *version_directive, - yaml_tag_directive_t *tag_directives_start, - yaml_tag_directive_t *tag_directives_end, - int start_implicit, int end_implicit) -{ - struct { - yaml_error_type_t error; - } context; - struct { - yaml_node_t *start; - yaml_node_t *end; - yaml_node_t *top; - } nodes = { NULL, NULL, NULL }; - yaml_version_directive_t *version_directive_copy = NULL; - struct { - yaml_tag_directive_t *start; - yaml_tag_directive_t *end; - yaml_tag_directive_t *top; - } tag_directives_copy = { NULL, NULL, NULL }; - yaml_tag_directive_t value = { NULL, NULL }; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(document); /* Non-NULL document object is expected. */ - assert((tag_directives_start && tag_directives_end) || - (tag_directives_start == tag_directives_end)); - /* Valid tag directives are expected. */ - - if (!STACK_INIT(&context, nodes, yaml_node_t*)) goto error; - - if (version_directive) { - version_directive_copy = YAML_MALLOC_STATIC(yaml_version_directive_t); - if (!version_directive_copy) goto error; - version_directive_copy->major = version_directive->major; - version_directive_copy->minor = version_directive->minor; - } - - if (tag_directives_start != tag_directives_end) { - yaml_tag_directive_t *tag_directive; - if (!STACK_INIT(&context, tag_directives_copy, yaml_tag_directive_t*)) - goto error; - for (tag_directive = tag_directives_start; - tag_directive != tag_directives_end; tag_directive ++) { - assert(tag_directive->handle); - assert(tag_directive->prefix); - if (!yaml_check_utf8(tag_directive->handle, - strlen((char *)tag_directive->handle))) - goto error; - if (!yaml_check_utf8(tag_directive->prefix, - strlen((char *)tag_directive->prefix))) - goto error; - value.handle = yaml_strdup(tag_directive->handle); - value.prefix = yaml_strdup(tag_directive->prefix); - if (!value.handle || !value.prefix) goto error; - if (!PUSH(&context, tag_directives_copy, value)) - goto error; - value.handle = NULL; - value.prefix = NULL; - } - } - - DOCUMENT_INIT(*document, nodes.start, nodes.end, version_directive_copy, - tag_directives_copy.start, tag_directives_copy.top, - start_implicit, end_implicit, mark, mark); - - return 1; - -error: - STACK_DEL(&context, nodes); - yaml_free(version_directive_copy); - while (!STACK_EMPTY(&context, tag_directives_copy)) { - yaml_tag_directive_t value = POP(&context, tag_directives_copy); - yaml_free(value.handle); - yaml_free(value.prefix); - } - STACK_DEL(&context, tag_directives_copy); - yaml_free(value.handle); - yaml_free(value.prefix); - - return 0; -} - -/* - * Destroy a document object. - */ - -YAML_DECLARE(void) -yaml_document_delete(yaml_document_t *document) -{ - struct { - yaml_error_type_t error; - } context; - yaml_tag_directive_t *tag_directive; - - context.error = YAML_NO_ERROR; /* Eliminate a compliler warning. */ - - assert(document); /* Non-NULL document object is expected. */ - - while (!STACK_EMPTY(&context, document->nodes)) { - yaml_node_t node = POP(&context, document->nodes); - yaml_free(node.tag); - switch (node.type) { - case YAML_SCALAR_NODE: - yaml_free(node.data.scalar.value); - break; - case YAML_SEQUENCE_NODE: - STACK_DEL(&context, node.data.sequence.items); - break; - case YAML_MAPPING_NODE: - STACK_DEL(&context, node.data.mapping.pairs); - break; - default: - assert(0); /* Should not happen. */ - } - } - STACK_DEL(&context, document->nodes); - - yaml_free(document->version_directive); - for (tag_directive = document->tag_directives.start; - tag_directive != document->tag_directives.end; - tag_directive++) { - yaml_free(tag_directive->handle); - yaml_free(tag_directive->prefix); - } - yaml_free(document->tag_directives.start); - - memset(document, 0, sizeof(yaml_document_t)); -} - -/** - * Get a document node. - */ - -YAML_DECLARE(yaml_node_t *) -yaml_document_get_node(yaml_document_t *document, int index) -{ - assert(document); /* Non-NULL document object is expected. */ - - if (index > 0 && document->nodes.start + index <= document->nodes.top) { - return document->nodes.start + index - 1; - } - return NULL; -} - -/** - * Get the root object. - */ - -YAML_DECLARE(yaml_node_t *) -yaml_document_get_root_node(yaml_document_t *document) -{ - assert(document); /* Non-NULL document object is expected. */ - - if (document->nodes.top != document->nodes.start) { - return document->nodes.start; - } - return NULL; -} - -/* - * Add a scalar node to a document. - */ - -YAML_DECLARE(int) -yaml_document_add_scalar(yaml_document_t *document, - yaml_char_t *tag, yaml_char_t *value, int length, - yaml_scalar_style_t style) -{ - struct { - yaml_error_type_t error; - } context; - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *tag_copy = NULL; - yaml_char_t *value_copy = NULL; - yaml_node_t node; - - assert(document); /* Non-NULL document object is expected. */ - assert(value); /* Non-NULL value is expected. */ - - if (!tag) { - tag = (yaml_char_t *)YAML_DEFAULT_SCALAR_TAG; - } - - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - - if (length < 0) { - length = strlen((char *)value); - } - - if (!yaml_check_utf8(value, length)) goto error; - value_copy = YAML_MALLOC(length+1); - if (!value_copy) goto error; - memcpy(value_copy, value, length); - value_copy[length] = '\0'; - - SCALAR_NODE_INIT(node, tag_copy, value_copy, length, style, mark, mark); - if (!PUSH(&context, document->nodes, node)) goto error; - - return document->nodes.top - document->nodes.start; - -error: - yaml_free(tag_copy); - yaml_free(value_copy); - - return 0; -} - -/* - * Add a sequence node to a document. - */ - -YAML_DECLARE(int) -yaml_document_add_sequence(yaml_document_t *document, - yaml_char_t *tag, yaml_sequence_style_t style) -{ - struct { - yaml_error_type_t error; - } context; - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *tag_copy = NULL; - struct { - yaml_node_item_t *start; - yaml_node_item_t *end; - yaml_node_item_t *top; - } items = { NULL, NULL, NULL }; - yaml_node_t node; - - assert(document); /* Non-NULL document object is expected. */ - - if (!tag) { - tag = (yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG; - } - - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - - if (!STACK_INIT(&context, items, yaml_node_item_t*)) goto error; - - SEQUENCE_NODE_INIT(node, tag_copy, items.start, items.end, - style, mark, mark); - if (!PUSH(&context, document->nodes, node)) goto error; - - return document->nodes.top - document->nodes.start; - -error: - STACK_DEL(&context, items); - yaml_free(tag_copy); - - return 0; -} - -/* - * Add a mapping node to a document. - */ - -YAML_DECLARE(int) -yaml_document_add_mapping(yaml_document_t *document, - yaml_char_t *tag, yaml_mapping_style_t style) -{ - struct { - yaml_error_type_t error; - } context; - yaml_mark_t mark = { 0, 0, 0 }; - yaml_char_t *tag_copy = NULL; - struct { - yaml_node_pair_t *start; - yaml_node_pair_t *end; - yaml_node_pair_t *top; - } pairs = { NULL, NULL, NULL }; - yaml_node_t node; - - assert(document); /* Non-NULL document object is expected. */ - - if (!tag) { - tag = (yaml_char_t *)YAML_DEFAULT_MAPPING_TAG; - } - - if (!yaml_check_utf8(tag, strlen((char *)tag))) goto error; - tag_copy = yaml_strdup(tag); - if (!tag_copy) goto error; - - if (!STACK_INIT(&context, pairs, yaml_node_pair_t*)) goto error; - - MAPPING_NODE_INIT(node, tag_copy, pairs.start, pairs.end, - style, mark, mark); - if (!PUSH(&context, document->nodes, node)) goto error; - - return document->nodes.top - document->nodes.start; - -error: - STACK_DEL(&context, pairs); - yaml_free(tag_copy); - - return 0; -} - -/* - * Append an item to a sequence node. - */ - -YAML_DECLARE(int) -yaml_document_append_sequence_item(yaml_document_t *document, - int sequence, int item) -{ - struct { - yaml_error_type_t error; - } context; - - assert(document); /* Non-NULL document is required. */ - assert(sequence > 0 - && document->nodes.start + sequence <= document->nodes.top); - /* Valid sequence id is required. */ - assert(document->nodes.start[sequence-1].type == YAML_SEQUENCE_NODE); - /* A sequence node is required. */ - assert(item > 0 && document->nodes.start + item <= document->nodes.top); - /* Valid item id is required. */ - - if (!PUSH(&context, - document->nodes.start[sequence-1].data.sequence.items, item)) - return 0; - - return 1; -} - -/* - * Append a pair of a key and a value to a mapping node. - */ - -YAML_DECLARE(int) -yaml_document_append_mapping_pair(yaml_document_t *document, - int mapping, int key, int value) -{ - struct { - yaml_error_type_t error; - } context; - - yaml_node_pair_t pair; - - assert(document); /* Non-NULL document is required. */ - assert(mapping > 0 - && document->nodes.start + mapping <= document->nodes.top); - /* Valid mapping id is required. */ - assert(document->nodes.start[mapping-1].type == YAML_MAPPING_NODE); - /* A mapping node is required. */ - assert(key > 0 && document->nodes.start + key <= document->nodes.top); - /* Valid key id is required. */ - assert(value > 0 && document->nodes.start + value <= document->nodes.top); - /* Valid value id is required. */ - - pair.key = key; - pair.value = value; - - if (!PUSH(&context, - document->nodes.start[mapping-1].data.mapping.pairs, pair)) - return 0; - - return 1; -} - - diff --git a/ext/config.h b/ext/config.h deleted file mode 100644 index 20f1431..0000000 --- a/ext/config.h +++ /dev/null @@ -1,81 +0,0 @@ -/* config.h. Generated from config.h.in by configure. */ -/* config.h.in. Generated from configure.ac by autoheader. */ - -/* Define to 1 if you have the header file. */ -#define HAVE_DLFCN_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_INTTYPES_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_MEMORY_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STDINT_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STDLIB_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STRINGS_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_STRING_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_STAT_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_SYS_TYPES_H 1 - -/* Define to 1 if you have the header file. */ -#define HAVE_UNISTD_H 1 - -/* Define to the sub-directory in which libtool stores uninstalled libraries. - */ -#define LT_OBJDIR ".libs/" - -/* Name of package */ -#define PACKAGE "yaml" - -/* Define to the address where bug reports for this package should be sent. */ -#define PACKAGE_BUGREPORT "http://pyyaml.org/newticket?component=libyaml" - -/* Define to the full name of this package. */ -#define PACKAGE_NAME "yaml" - -/* Define to the full name and version of this package. */ -#define PACKAGE_STRING "yaml 0.1.7" - -/* Define to the one symbol short name of this package. */ -#define PACKAGE_TARNAME "yaml" - -/* Define to the home page for this package. */ -#define PACKAGE_URL "" - -/* Define to the version of this package. */ -#define PACKAGE_VERSION "0.1.7" - -/* Define to 1 if you have the ANSI C header files. */ -#define STDC_HEADERS 1 - -/* Version number of package */ -#define VERSION "0.1.7" - -/* Define the major version number. */ -#define YAML_VERSION_MAJOR 0 - -/* Define the minor version number. */ -#define YAML_VERSION_MINOR 1 - -/* Define the patch version number. */ -#define YAML_VERSION_PATCH 7 - -/* Define the version string. */ -#define YAML_VERSION_STRING "0.1.7" - -/* Define to empty if `const' does not conform to ANSI C. */ -/* #undef const */ - -/* Define to `unsigned int' if does not define. */ -/* #undef size_t */ diff --git a/ext/dumper.c b/ext/dumper.c deleted file mode 100644 index 1fe940b..0000000 --- a/ext/dumper.c +++ /dev/null @@ -1,394 +0,0 @@ - -#include "yaml_private.h" - -/* - * API functions. - */ - -YAML_DECLARE(int) -yaml_emitter_open(yaml_emitter_t *emitter); - -YAML_DECLARE(int) -yaml_emitter_close(yaml_emitter_t *emitter); - -YAML_DECLARE(int) -yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document); - -/* - * Clean up functions. - */ - -static void -yaml_emitter_delete_document_and_anchors(yaml_emitter_t *emitter); - -/* - * Anchor functions. - */ - -static void -yaml_emitter_anchor_node(yaml_emitter_t *emitter, int index); - -static yaml_char_t * -yaml_emitter_generate_anchor(yaml_emitter_t *emitter, int anchor_id); - - -/* - * Serialize functions. - */ - -static int -yaml_emitter_dump_node(yaml_emitter_t *emitter, int index); - -static int -yaml_emitter_dump_alias(yaml_emitter_t *emitter, yaml_char_t *anchor); - -static int -yaml_emitter_dump_scalar(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -static int -yaml_emitter_dump_sequence(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -static int -yaml_emitter_dump_mapping(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor); - -/* - * Issue a STREAM-START event. - */ - -YAML_DECLARE(int) -yaml_emitter_open(yaml_emitter_t *emitter) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(!emitter->opened); /* Emitter should not be opened yet. */ - - STREAM_START_EVENT_INIT(event, YAML_ANY_ENCODING, mark, mark); - - if (!yaml_emitter_emit(emitter, &event)) { - return 0; - } - - emitter->opened = 1; - - return 1; -} - -/* - * Issue a STREAM-END event. - */ - -YAML_DECLARE(int) -yaml_emitter_close(yaml_emitter_t *emitter) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(emitter->opened); /* Emitter should be opened. */ - - if (emitter->closed) return 1; - - STREAM_END_EVENT_INIT(event, mark, mark); - - if (!yaml_emitter_emit(emitter, &event)) { - return 0; - } - - emitter->closed = 1; - - return 1; -} - -/* - * Dump a YAML document. - */ - -YAML_DECLARE(int) -yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - assert(emitter); /* Non-NULL emitter object is required. */ - assert(document); /* Non-NULL emitter object is expected. */ - - emitter->document = document; - - if (!emitter->opened) { - if (!yaml_emitter_open(emitter)) goto error; - } - - if (STACK_EMPTY(emitter, document->nodes)) { - if (!yaml_emitter_close(emitter)) goto error; - yaml_emitter_delete_document_and_anchors(emitter); - return 1; - } - - assert(emitter->opened); /* Emitter should be opened. */ - - emitter->anchors = (yaml_anchors_t*)yaml_malloc(sizeof(*(emitter->anchors)) - * (document->nodes.top - document->nodes.start)); - if (!emitter->anchors) goto error; - memset(emitter->anchors, 0, sizeof(*(emitter->anchors)) - * (document->nodes.top - document->nodes.start)); - - DOCUMENT_START_EVENT_INIT(event, document->version_directive, - document->tag_directives.start, document->tag_directives.end, - document->start_implicit, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) goto error; - - yaml_emitter_anchor_node(emitter, 1); - if (!yaml_emitter_dump_node(emitter, 1)) goto error; - - DOCUMENT_END_EVENT_INIT(event, document->end_implicit, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) goto error; - - yaml_emitter_delete_document_and_anchors(emitter); - - return 1; - -error: - - yaml_emitter_delete_document_and_anchors(emitter); - - return 0; -} - -/* - * Clean up the emitter object after a document is dumped. - */ - -static void -yaml_emitter_delete_document_and_anchors(yaml_emitter_t *emitter) -{ - int index; - - if (!emitter->anchors) { - yaml_document_delete(emitter->document); - emitter->document = NULL; - return; - } - - for (index = 0; emitter->document->nodes.start + index - < emitter->document->nodes.top; index ++) { - yaml_node_t node = emitter->document->nodes.start[index]; - if (!emitter->anchors[index].serialized) { - yaml_free(node.tag); - if (node.type == YAML_SCALAR_NODE) { - yaml_free(node.data.scalar.value); - } - } - if (node.type == YAML_SEQUENCE_NODE) { - STACK_DEL(emitter, node.data.sequence.items); - } - if (node.type == YAML_MAPPING_NODE) { - STACK_DEL(emitter, node.data.mapping.pairs); - } - } - - STACK_DEL(emitter, emitter->document->nodes); - yaml_free(emitter->anchors); - - emitter->anchors = NULL; - emitter->last_anchor_id = 0; - emitter->document = NULL; -} - -/* - * Check the references of a node and assign the anchor id if needed. - */ - -static void -yaml_emitter_anchor_node(yaml_emitter_t *emitter, int index) -{ - yaml_node_t *node = emitter->document->nodes.start + index - 1; - yaml_node_item_t *item; - yaml_node_pair_t *pair; - - emitter->anchors[index-1].references ++; - - if (emitter->anchors[index-1].references == 1) { - switch (node->type) { - case YAML_SEQUENCE_NODE: - for (item = node->data.sequence.items.start; - item < node->data.sequence.items.top; item ++) { - yaml_emitter_anchor_node(emitter, *item); - } - break; - case YAML_MAPPING_NODE: - for (pair = node->data.mapping.pairs.start; - pair < node->data.mapping.pairs.top; pair ++) { - yaml_emitter_anchor_node(emitter, pair->key); - yaml_emitter_anchor_node(emitter, pair->value); - } - break; - default: - break; - } - } - - else if (emitter->anchors[index-1].references == 2) { - emitter->anchors[index-1].anchor = (++ emitter->last_anchor_id); - } -} - -/* - * Generate a textual representation for an anchor. - */ - -#define ANCHOR_TEMPLATE "id%03d" -#define ANCHOR_TEMPLATE_LENGTH 16 - -static yaml_char_t * -yaml_emitter_generate_anchor(SHIM(yaml_emitter_t *emitter), int anchor_id) -{ - yaml_char_t *anchor = YAML_MALLOC(ANCHOR_TEMPLATE_LENGTH); - - if (!anchor) return NULL; - - sprintf((char *)anchor, ANCHOR_TEMPLATE, anchor_id); - - return anchor; -} - -/* - * Serialize a node. - */ - -static int -yaml_emitter_dump_node(yaml_emitter_t *emitter, int index) -{ - yaml_node_t *node = emitter->document->nodes.start + index - 1; - int anchor_id = emitter->anchors[index-1].anchor; - yaml_char_t *anchor = NULL; - - if (anchor_id) { - anchor = yaml_emitter_generate_anchor(emitter, anchor_id); - if (!anchor) return 0; - } - - if (emitter->anchors[index-1].serialized) { - return yaml_emitter_dump_alias(emitter, anchor); - } - - emitter->anchors[index-1].serialized = 1; - - switch (node->type) { - case YAML_SCALAR_NODE: - return yaml_emitter_dump_scalar(emitter, node, anchor); - case YAML_SEQUENCE_NODE: - return yaml_emitter_dump_sequence(emitter, node, anchor); - case YAML_MAPPING_NODE: - return yaml_emitter_dump_mapping(emitter, node, anchor); - default: - assert(0); /* Could not happen. */ - break; - } - - return 0; /* Could not happen. */ -} - -/* - * Serialize an alias. - */ - -static int -yaml_emitter_dump_alias(yaml_emitter_t *emitter, yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - ALIAS_EVENT_INIT(event, anchor, mark, mark); - - return yaml_emitter_emit(emitter, &event); -} - -/* - * Serialize a scalar. - */ - -static int -yaml_emitter_dump_scalar(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int plain_implicit = (strcmp((char *)node->tag, - YAML_DEFAULT_SCALAR_TAG) == 0); - int quoted_implicit = (strcmp((char *)node->tag, - YAML_DEFAULT_SCALAR_TAG) == 0); - - SCALAR_EVENT_INIT(event, anchor, node->tag, node->data.scalar.value, - node->data.scalar.length, plain_implicit, quoted_implicit, - node->data.scalar.style, mark, mark); - - return yaml_emitter_emit(emitter, &event); -} - -/* - * Serialize a sequence. - */ - -static int -yaml_emitter_dump_sequence(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int implicit = (strcmp((char *)node->tag, YAML_DEFAULT_SEQUENCE_TAG) == 0); - - yaml_node_item_t *item; - - SEQUENCE_START_EVENT_INIT(event, anchor, node->tag, implicit, - node->data.sequence.style, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - for (item = node->data.sequence.items.start; - item < node->data.sequence.items.top; item ++) { - if (!yaml_emitter_dump_node(emitter, *item)) return 0; - } - - SEQUENCE_END_EVENT_INIT(event, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - return 1; -} - -/* - * Serialize a mapping. - */ - -static int -yaml_emitter_dump_mapping(yaml_emitter_t *emitter, yaml_node_t *node, - yaml_char_t *anchor) -{ - yaml_event_t event; - yaml_mark_t mark = { 0, 0, 0 }; - - int implicit = (strcmp((char *)node->tag, YAML_DEFAULT_MAPPING_TAG) == 0); - - yaml_node_pair_t *pair; - - MAPPING_START_EVENT_INIT(event, anchor, node->tag, implicit, - node->data.mapping.style, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - for (pair = node->data.mapping.pairs.start; - pair < node->data.mapping.pairs.top; pair ++) { - if (!yaml_emitter_dump_node(emitter, pair->key)) return 0; - if (!yaml_emitter_dump_node(emitter, pair->value)) return 0; - } - - MAPPING_END_EVENT_INIT(event, mark, mark); - if (!yaml_emitter_emit(emitter, &event)) return 0; - - return 1; -} - diff --git a/ext/emitter.c b/ext/emitter.c deleted file mode 100644 index 31145b0..0000000 --- a/ext/emitter.c +++ /dev/null @@ -1,2341 +0,0 @@ - -#include "yaml_private.h" - -/* - * Flush the buffer if needed. - */ - -#define FLUSH(emitter) \ - ((emitter->buffer.pointer+5 < emitter->buffer.end) \ - || yaml_emitter_flush(emitter)) - -/* - * Put a character to the output buffer. - */ - -#define PUT(emitter,value) \ - (FLUSH(emitter) \ - && (*(emitter->buffer.pointer++) = (yaml_char_t)(value), \ - emitter->column++, \ - 1)) - -/* - * Put a line break to the output buffer. - */ - -#define PUT_BREAK(emitter) \ - (FLUSH(emitter) \ - && ((emitter->line_break == YAML_CR_BREAK ? \ - (*(emitter->buffer.pointer++) = (yaml_char_t) '\r') : \ - emitter->line_break == YAML_LN_BREAK ? \ - (*(emitter->buffer.pointer++) = (yaml_char_t) '\n') : \ - emitter->line_break == YAML_CRLN_BREAK ? \ - (*(emitter->buffer.pointer++) = (yaml_char_t) '\r', \ - *(emitter->buffer.pointer++) = (yaml_char_t) '\n') : 0), \ - emitter->column = 0, \ - emitter->line ++, \ - 1)) - -/* - * Copy a character from a string into buffer. - */ - -#define WRITE(emitter,string) \ - (FLUSH(emitter) \ - && (COPY(emitter->buffer,string), \ - emitter->column ++, \ - 1)) - -/* - * Copy a line break character from a string into buffer. - */ - -#define WRITE_BREAK(emitter,string) \ - (FLUSH(emitter) \ - && (CHECK(string,'\n') ? \ - (PUT_BREAK(emitter), \ - string.pointer ++, \ - 1) : \ - (COPY(emitter->buffer,string), \ - emitter->column = 0, \ - emitter->line ++, \ - 1))) - -/* - * API functions. - */ - -YAML_DECLARE(int) -yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event); - -/* - * Utility functions. - */ - -static int -yaml_emitter_set_emitter_error(yaml_emitter_t *emitter, const char *problem); - -static int -yaml_emitter_need_more_events(yaml_emitter_t *emitter); - -static int -yaml_emitter_append_tag_directive(yaml_emitter_t *emitter, - yaml_tag_directive_t value, int allow_duplicates); - -static int -yaml_emitter_increase_indent(yaml_emitter_t *emitter, - int flow, int indentless); - -/* - * State functions. - */ - -static int -yaml_emitter_state_machine(yaml_emitter_t *emitter, yaml_event_t *event); - -static int -yaml_emitter_emit_stream_start(yaml_emitter_t *emitter, - yaml_event_t *event); - -static int -yaml_emitter_emit_document_start(yaml_emitter_t *emitter, - yaml_event_t *event, int first); - -static int -yaml_emitter_emit_document_content(yaml_emitter_t *emitter, - yaml_event_t *event); - -static int -yaml_emitter_emit_document_end(yaml_emitter_t *emitter, - yaml_event_t *event); - -static int -yaml_emitter_emit_flow_sequence_item(yaml_emitter_t *emitter, - yaml_event_t *event, int first); - -static int -yaml_emitter_emit_flow_mapping_key(yaml_emitter_t *emitter, - yaml_event_t *event, int first); - -static int -yaml_emitter_emit_flow_mapping_value(yaml_emitter_t *emitter, - yaml_event_t *event, int simple); - -static int -yaml_emitter_emit_block_sequence_item(yaml_emitter_t *emitter, - yaml_event_t *event, int first); - -static int -yaml_emitter_emit_block_mapping_key(yaml_emitter_t *emitter, - yaml_event_t *event, int first); - -static int -yaml_emitter_emit_block_mapping_value(yaml_emitter_t *emitter, - yaml_event_t *event, int simple); - -static int -yaml_emitter_emit_node(yaml_emitter_t *emitter, yaml_event_t *event, - int root, int sequence, int mapping, int simple_key); - -static int -yaml_emitter_emit_alias(yaml_emitter_t *emitter, yaml_event_t *event); - -static int -yaml_emitter_emit_scalar(yaml_emitter_t *emitter, yaml_event_t *event); - -static int -yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, yaml_event_t *event); - -static int -yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, yaml_event_t *event); - -/* - * Checkers. - */ - -static int -yaml_emitter_check_empty_document(yaml_emitter_t *emitter); - -static int -yaml_emitter_check_empty_sequence(yaml_emitter_t *emitter); - -static int -yaml_emitter_check_empty_mapping(yaml_emitter_t *emitter); - -static int -yaml_emitter_check_simple_key(yaml_emitter_t *emitter); - -static int -yaml_emitter_select_scalar_style(yaml_emitter_t *emitter, yaml_event_t *event); - -/* - * Processors. - */ - -static int -yaml_emitter_process_anchor(yaml_emitter_t *emitter); - -static int -yaml_emitter_process_tag(yaml_emitter_t *emitter); - -static int -yaml_emitter_process_scalar(yaml_emitter_t *emitter); - -/* - * Analyzers. - */ - -static int -yaml_emitter_analyze_version_directive(yaml_emitter_t *emitter, - yaml_version_directive_t version_directive); - -static int -yaml_emitter_analyze_tag_directive(yaml_emitter_t *emitter, - yaml_tag_directive_t tag_directive); - -static int -yaml_emitter_analyze_anchor(yaml_emitter_t *emitter, - yaml_char_t *anchor, int alias); - -static int -yaml_emitter_analyze_tag(yaml_emitter_t *emitter, - yaml_char_t *tag); - -static int -yaml_emitter_analyze_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length); - -static int -yaml_emitter_analyze_event(yaml_emitter_t *emitter, - yaml_event_t *event); - -/* - * Writers. - */ - -static int -yaml_emitter_write_bom(yaml_emitter_t *emitter); - -static int -yaml_emitter_write_indent(yaml_emitter_t *emitter); - -static int -yaml_emitter_write_indicator(yaml_emitter_t *emitter, - const char *indicator, int need_whitespace, - int is_whitespace, int is_indention); - -static int -yaml_emitter_write_anchor(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length); - -static int -yaml_emitter_write_tag_handle(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length); - -static int -yaml_emitter_write_tag_content(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int need_whitespace); - -static int -yaml_emitter_write_plain_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks); - -static int -yaml_emitter_write_single_quoted_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks); - -static int -yaml_emitter_write_double_quoted_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks); - -static int -yaml_emitter_write_block_scalar_hints(yaml_emitter_t *emitter, - yaml_string_t string); - -static int -yaml_emitter_write_literal_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length); - -static int -yaml_emitter_write_folded_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length); - -/* - * Set an emitter error and return 0. - */ - -static int -yaml_emitter_set_emitter_error(yaml_emitter_t *emitter, const char *problem) -{ - emitter->error = YAML_EMITTER_ERROR; - emitter->problem = problem; - - return 0; -} - -/* - * Emit an event. - */ - -YAML_DECLARE(int) -yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event) -{ - if (!ENQUEUE(emitter, emitter->events, *event)) { - yaml_event_delete(event); - return 0; - } - - while (!yaml_emitter_need_more_events(emitter)) { - if (!yaml_emitter_analyze_event(emitter, emitter->events.head)) - return 0; - if (!yaml_emitter_state_machine(emitter, emitter->events.head)) - return 0; - yaml_event_delete(&DEQUEUE(emitter, emitter->events)); - } - - return 1; -} - -/* - * Check if we need to accumulate more events before emitting. - * - * We accumulate extra - * - 1 event for DOCUMENT-START - * - 2 events for SEQUENCE-START - * - 3 events for MAPPING-START - */ - -static int -yaml_emitter_need_more_events(yaml_emitter_t *emitter) -{ - int level = 0; - int accumulate = 0; - yaml_event_t *event; - - if (QUEUE_EMPTY(emitter, emitter->events)) - return 1; - - switch (emitter->events.head->type) { - case YAML_DOCUMENT_START_EVENT: - accumulate = 1; - break; - case YAML_SEQUENCE_START_EVENT: - accumulate = 2; - break; - case YAML_MAPPING_START_EVENT: - accumulate = 3; - break; - default: - return 0; - } - - if (emitter->events.tail - emitter->events.head > accumulate) - return 0; - - for (event = emitter->events.head; event != emitter->events.tail; event ++) { - switch (event->type) { - case YAML_STREAM_START_EVENT: - case YAML_DOCUMENT_START_EVENT: - case YAML_SEQUENCE_START_EVENT: - case YAML_MAPPING_START_EVENT: - level += 1; - break; - case YAML_STREAM_END_EVENT: - case YAML_DOCUMENT_END_EVENT: - case YAML_SEQUENCE_END_EVENT: - case YAML_MAPPING_END_EVENT: - level -= 1; - break; - default: - break; - } - if (!level) - return 0; - } - - return 1; -} - -/* - * Append a directive to the directives stack. - */ - -static int -yaml_emitter_append_tag_directive(yaml_emitter_t *emitter, - yaml_tag_directive_t value, int allow_duplicates) -{ - yaml_tag_directive_t *tag_directive; - yaml_tag_directive_t copy = { NULL, NULL }; - - for (tag_directive = emitter->tag_directives.start; - tag_directive != emitter->tag_directives.top; tag_directive ++) { - if (strcmp((char *)value.handle, (char *)tag_directive->handle) == 0) { - if (allow_duplicates) - return 1; - return yaml_emitter_set_emitter_error(emitter, - "duplicate %TAG directive"); - } - } - - copy.handle = yaml_strdup(value.handle); - copy.prefix = yaml_strdup(value.prefix); - if (!copy.handle || !copy.prefix) { - emitter->error = YAML_MEMORY_ERROR; - goto error; - } - - if (!PUSH(emitter, emitter->tag_directives, copy)) - goto error; - - return 1; - -error: - yaml_free(copy.handle); - yaml_free(copy.prefix); - return 0; -} - -/* - * Increase the indentation level. - */ - -static int -yaml_emitter_increase_indent(yaml_emitter_t *emitter, - int flow, int indentless) -{ - if (!PUSH(emitter, emitter->indents, emitter->indent)) - return 0; - - if (emitter->indent < 0) { - emitter->indent = flow ? emitter->best_indent : 0; - } - else if (!indentless) { - emitter->indent += emitter->best_indent; - } - - return 1; -} - -/* - * State dispatcher. - */ - -static int -yaml_emitter_state_machine(yaml_emitter_t *emitter, yaml_event_t *event) -{ - switch (emitter->state) - { - case YAML_EMIT_STREAM_START_STATE: - return yaml_emitter_emit_stream_start(emitter, event); - - case YAML_EMIT_FIRST_DOCUMENT_START_STATE: - return yaml_emitter_emit_document_start(emitter, event, 1); - - case YAML_EMIT_DOCUMENT_START_STATE: - return yaml_emitter_emit_document_start(emitter, event, 0); - - case YAML_EMIT_DOCUMENT_CONTENT_STATE: - return yaml_emitter_emit_document_content(emitter, event); - - case YAML_EMIT_DOCUMENT_END_STATE: - return yaml_emitter_emit_document_end(emitter, event); - - case YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE: - return yaml_emitter_emit_flow_sequence_item(emitter, event, 1); - - case YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE: - return yaml_emitter_emit_flow_sequence_item(emitter, event, 0); - - case YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE: - return yaml_emitter_emit_flow_mapping_key(emitter, event, 1); - - case YAML_EMIT_FLOW_MAPPING_KEY_STATE: - return yaml_emitter_emit_flow_mapping_key(emitter, event, 0); - - case YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE: - return yaml_emitter_emit_flow_mapping_value(emitter, event, 1); - - case YAML_EMIT_FLOW_MAPPING_VALUE_STATE: - return yaml_emitter_emit_flow_mapping_value(emitter, event, 0); - - case YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE: - return yaml_emitter_emit_block_sequence_item(emitter, event, 1); - - case YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE: - return yaml_emitter_emit_block_sequence_item(emitter, event, 0); - - case YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE: - return yaml_emitter_emit_block_mapping_key(emitter, event, 1); - - case YAML_EMIT_BLOCK_MAPPING_KEY_STATE: - return yaml_emitter_emit_block_mapping_key(emitter, event, 0); - - case YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE: - return yaml_emitter_emit_block_mapping_value(emitter, event, 1); - - case YAML_EMIT_BLOCK_MAPPING_VALUE_STATE: - return yaml_emitter_emit_block_mapping_value(emitter, event, 0); - - case YAML_EMIT_END_STATE: - return yaml_emitter_set_emitter_error(emitter, - "expected nothing after STREAM-END"); - - default: - assert(1); /* Invalid state. */ - } - - return 0; -} - -/* - * Expect STREAM-START. - */ - -static int -yaml_emitter_emit_stream_start(yaml_emitter_t *emitter, - yaml_event_t *event) -{ - if (event->type == YAML_STREAM_START_EVENT) - { - if (!emitter->encoding) { - emitter->encoding = event->data.stream_start.encoding; - } - - if (!emitter->encoding) { - emitter->encoding = YAML_UTF8_ENCODING; - } - - if (emitter->best_indent < 2 || emitter->best_indent > 9) { - emitter->best_indent = 2; - } - - if (emitter->best_width >= 0 - && emitter->best_width <= emitter->best_indent*2) { - emitter->best_width = 80; - } - - if (emitter->best_width < 0) { - emitter->best_width = INT_MAX; - } - - if (!emitter->line_break) { - emitter->line_break = YAML_LN_BREAK; - } - - emitter->indent = -1; - - emitter->line = 0; - emitter->column = 0; - emitter->whitespace = 1; - emitter->indention = 1; - - if (emitter->encoding != YAML_UTF8_ENCODING) { - if (!yaml_emitter_write_bom(emitter)) - return 0; - } - - emitter->state = YAML_EMIT_FIRST_DOCUMENT_START_STATE; - - return 1; - } - - return yaml_emitter_set_emitter_error(emitter, - "expected STREAM-START"); -} - -/* - * Expect DOCUMENT-START or STREAM-END. - */ - -/* assume 2 digits + . + 2 digits max and NUL*/ -#define VERSION_BUF_LEN 50 - -static int -yaml_emitter_emit_document_start(yaml_emitter_t *emitter, - yaml_event_t *event, int first) -{ - char version_buf[VERSION_BUF_LEN]; - yaml_version_directive_t vdp; - - if (event->type == YAML_DOCUMENT_START_EVENT) - { - yaml_tag_directive_t default_tag_directives[] = { - {(yaml_char_t *)"!", (yaml_char_t *)"!"}, - {(yaml_char_t *)"!!", (yaml_char_t *)"tag:yaml.org,2002:"}, - {NULL, NULL} - }; - yaml_tag_directive_t *tag_directive; - int implicit; - - if (event->data.document_start.version_directive) { - if (!yaml_emitter_analyze_version_directive(emitter, - *event->data.document_start.version_directive)) - return 0; - } - - for (tag_directive = event->data.document_start.tag_directives.start; - tag_directive != event->data.document_start.tag_directives.end; - tag_directive ++) { - if (!yaml_emitter_analyze_tag_directive(emitter, *tag_directive)) - return 0; - if (!yaml_emitter_append_tag_directive(emitter, *tag_directive, 0)) - return 0; - } - - for (tag_directive = default_tag_directives; - tag_directive->handle; tag_directive ++) { - if (!yaml_emitter_append_tag_directive(emitter, *tag_directive, 1)) - return 0; - } - - implicit = event->data.document_start.implicit; - if (!first || emitter->canonical) { - implicit = 0; - } - - if ((event->data.document_start.version_directive || - (event->data.document_start.tag_directives.start - != event->data.document_start.tag_directives.end)) && - emitter->open_ended) - { - if (!yaml_emitter_write_indicator(emitter, "...", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - - if (event->data.document_start.version_directive) { - implicit = 0; - if (!yaml_emitter_write_indicator(emitter, "%YAML", 1, 0, 0)) - return 0; - /* if (!yaml_emitter_write_indicator(emitter, "1.1", 1, 0, 0)) */ - vdp = *event->data.document_start.version_directive; - sprintf(version_buf, "%d.%d", vdp.major, vdp.minor); - if (!yaml_emitter_write_indicator(emitter, version_buf, 1, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - - if (event->data.document_start.tag_directives.start - != event->data.document_start.tag_directives.end) { - implicit = 0; - for (tag_directive = event->data.document_start.tag_directives.start; - tag_directive != event->data.document_start.tag_directives.end; - tag_directive ++) { - if (!yaml_emitter_write_indicator(emitter, "%TAG", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_tag_handle(emitter, tag_directive->handle, - strlen((char *)tag_directive->handle))) - return 0; - if (!yaml_emitter_write_tag_content(emitter, tag_directive->prefix, - strlen((char *)tag_directive->prefix), 1)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - } - - if (yaml_emitter_check_empty_document(emitter)) { - implicit = 0; - } - - if (!implicit) { - if (!yaml_emitter_write_indent(emitter)) - return 0; - if (!yaml_emitter_write_indicator(emitter, "---", 1, 0, 0)) - return 0; - if (emitter->canonical) { - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - } - - emitter->state = YAML_EMIT_DOCUMENT_CONTENT_STATE; - - return 1; - } - - else if (event->type == YAML_STREAM_END_EVENT) - { - if (emitter->open_ended) - { - if (!yaml_emitter_write_indicator(emitter, "...", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - - if (!yaml_emitter_flush(emitter)) - return 0; - - emitter->state = YAML_EMIT_END_STATE; - - return 1; - } - - return yaml_emitter_set_emitter_error(emitter, - "expected DOCUMENT-START or STREAM-END"); -} - -/* - * Expect the root node. - */ - -static int -yaml_emitter_emit_document_content(yaml_emitter_t *emitter, - yaml_event_t *event) -{ - if (!PUSH(emitter, emitter->states, YAML_EMIT_DOCUMENT_END_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 1, 0, 0, 0); -} - -/* - * Expect DOCUMENT-END. - */ - -static int -yaml_emitter_emit_document_end(yaml_emitter_t *emitter, - yaml_event_t *event) -{ - if (event->type == YAML_DOCUMENT_END_EVENT) - { - if (!yaml_emitter_write_indent(emitter)) - return 0; - if (!event->data.document_end.implicit) { - if (!yaml_emitter_write_indicator(emitter, "...", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - if (!yaml_emitter_flush(emitter)) - return 0; - - emitter->state = YAML_EMIT_DOCUMENT_START_STATE; - - while (!STACK_EMPTY(emitter, emitter->tag_directives)) { - yaml_tag_directive_t tag_directive = POP(emitter, - emitter->tag_directives); - yaml_free(tag_directive.handle); - yaml_free(tag_directive.prefix); - } - - return 1; - } - - return yaml_emitter_set_emitter_error(emitter, - "expected DOCUMENT-END"); -} - -/* - * - * Expect a flow item node. - */ - -static int -yaml_emitter_emit_flow_sequence_item(yaml_emitter_t *emitter, - yaml_event_t *event, int first) -{ - if (first) - { - if (!yaml_emitter_write_indicator(emitter, "[", 1, 1, 0)) - return 0; - if (!yaml_emitter_increase_indent(emitter, 1, 0)) - return 0; - emitter->flow_level ++; - } - - if (event->type == YAML_SEQUENCE_END_EVENT) - { - emitter->flow_level --; - emitter->indent = POP(emitter, emitter->indents); - if (emitter->canonical && !first) { - if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - if (!yaml_emitter_write_indicator(emitter, "]", 0, 0, 0)) - return 0; - emitter->state = POP(emitter, emitter->states); - - return 1; - } - - if (!first) { - if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) - return 0; - } - - if (emitter->canonical || emitter->column > emitter->best_width) { - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - if (!PUSH(emitter, emitter->states, YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 1, 0, 0); -} - -/* - * Expect a flow key node. - */ - -static int -yaml_emitter_emit_flow_mapping_key(yaml_emitter_t *emitter, - yaml_event_t *event, int first) -{ - if (first) - { - if (!yaml_emitter_write_indicator(emitter, "{", 1, 1, 0)) - return 0; - if (!yaml_emitter_increase_indent(emitter, 1, 0)) - return 0; - emitter->flow_level ++; - } - - if (event->type == YAML_MAPPING_END_EVENT) - { - emitter->flow_level --; - emitter->indent = POP(emitter, emitter->indents); - if (emitter->canonical && !first) { - if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) - return 0; - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - if (!yaml_emitter_write_indicator(emitter, "}", 0, 0, 0)) - return 0; - emitter->state = POP(emitter, emitter->states); - - return 1; - } - - if (!first) { - if (!yaml_emitter_write_indicator(emitter, ",", 0, 0, 0)) - return 0; - } - if (emitter->canonical || emitter->column > emitter->best_width) { - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - - if (!emitter->canonical && yaml_emitter_check_simple_key(emitter)) - { - if (!PUSH(emitter, emitter->states, - YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 1); - } - else - { - if (!yaml_emitter_write_indicator(emitter, "?", 1, 0, 0)) - return 0; - if (!PUSH(emitter, emitter->states, - YAML_EMIT_FLOW_MAPPING_VALUE_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); - } -} - -/* - * Expect a flow value node. - */ - -static int -yaml_emitter_emit_flow_mapping_value(yaml_emitter_t *emitter, - yaml_event_t *event, int simple) -{ - if (simple) { - if (!yaml_emitter_write_indicator(emitter, ":", 0, 0, 0)) - return 0; - } - else { - if (emitter->canonical || emitter->column > emitter->best_width) { - if (!yaml_emitter_write_indent(emitter)) - return 0; - } - if (!yaml_emitter_write_indicator(emitter, ":", 1, 0, 0)) - return 0; - } - if (!PUSH(emitter, emitter->states, YAML_EMIT_FLOW_MAPPING_KEY_STATE)) - return 0; - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); -} - -/* - * Expect a block item node. - */ - -static int -yaml_emitter_emit_block_sequence_item(yaml_emitter_t *emitter, - yaml_event_t *event, int first) -{ - if (first) - { - if (!yaml_emitter_increase_indent(emitter, 0, - (emitter->mapping_context && !emitter->indention))) - return 0; - } - - if (event->type == YAML_SEQUENCE_END_EVENT) - { - emitter->indent = POP(emitter, emitter->indents); - emitter->state = POP(emitter, emitter->states); - - return 1; - } - - if (!yaml_emitter_write_indent(emitter)) - return 0; - if (!yaml_emitter_write_indicator(emitter, "-", 1, 0, 1)) - return 0; - if (!PUSH(emitter, emitter->states, - YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 1, 0, 0); -} - -/* - * Expect a block key node. - */ - -static int -yaml_emitter_emit_block_mapping_key(yaml_emitter_t *emitter, - yaml_event_t *event, int first) -{ - if (first) - { - if (!yaml_emitter_increase_indent(emitter, 0, 0)) - return 0; - } - - if (event->type == YAML_MAPPING_END_EVENT) - { - emitter->indent = POP(emitter, emitter->indents); - emitter->state = POP(emitter, emitter->states); - - return 1; - } - - if (!yaml_emitter_write_indent(emitter)) - return 0; - - if (yaml_emitter_check_simple_key(emitter)) - { - if (!PUSH(emitter, emitter->states, - YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 1); - } - else - { - if (!yaml_emitter_write_indicator(emitter, "?", 1, 0, 1)) - return 0; - if (!PUSH(emitter, emitter->states, - YAML_EMIT_BLOCK_MAPPING_VALUE_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); - } -} - -/* - * Expect a block value node. - */ - -static int -yaml_emitter_emit_block_mapping_value(yaml_emitter_t *emitter, - yaml_event_t *event, int simple) -{ - if (simple) { - if (!yaml_emitter_write_indicator(emitter, ":", 0, 0, 0)) - return 0; - } - else { - if (!yaml_emitter_write_indent(emitter)) - return 0; - if (!yaml_emitter_write_indicator(emitter, ":", 1, 0, 1)) - return 0; - } - if (!PUSH(emitter, emitter->states, - YAML_EMIT_BLOCK_MAPPING_KEY_STATE)) - return 0; - - return yaml_emitter_emit_node(emitter, event, 0, 0, 1, 0); -} - -/* - * Expect a node. - */ - -static int -yaml_emitter_emit_node(yaml_emitter_t *emitter, yaml_event_t *event, - int root, int sequence, int mapping, int simple_key) -{ - emitter->root_context = root; - emitter->sequence_context = sequence; - emitter->mapping_context = mapping; - emitter->simple_key_context = simple_key; - - switch (event->type) - { - case YAML_ALIAS_EVENT: - return yaml_emitter_emit_alias(emitter, event); - - case YAML_SCALAR_EVENT: - return yaml_emitter_emit_scalar(emitter, event); - - case YAML_SEQUENCE_START_EVENT: - return yaml_emitter_emit_sequence_start(emitter, event); - - case YAML_MAPPING_START_EVENT: - return yaml_emitter_emit_mapping_start(emitter, event); - - default: - return yaml_emitter_set_emitter_error(emitter, - "expected SCALAR, SEQUENCE-START, MAPPING-START, or ALIAS"); - } - - return 0; -} - -/* - * Expect ALIAS. - */ - -static int -yaml_emitter_emit_alias(yaml_emitter_t *emitter, SHIM(yaml_event_t *event)) -{ - if (!yaml_emitter_process_anchor(emitter)) - return 0; - emitter->state = POP(emitter, emitter->states); - - return 1; -} - -/* - * Expect SCALAR. - */ - -static int -yaml_emitter_emit_scalar(yaml_emitter_t *emitter, yaml_event_t *event) -{ - if (!yaml_emitter_select_scalar_style(emitter, event)) - return 0; - if (!yaml_emitter_process_anchor(emitter)) - return 0; - if (!yaml_emitter_process_tag(emitter)) - return 0; - if (!yaml_emitter_increase_indent(emitter, 1, 0)) - return 0; - if (!yaml_emitter_process_scalar(emitter)) - return 0; - emitter->indent = POP(emitter, emitter->indents); - emitter->state = POP(emitter, emitter->states); - - return 1; -} - -/* - * Expect SEQUENCE-START. - */ - -static int -yaml_emitter_emit_sequence_start(yaml_emitter_t *emitter, yaml_event_t *event) -{ - if (!yaml_emitter_process_anchor(emitter)) - return 0; - if (!yaml_emitter_process_tag(emitter)) - return 0; - - if (emitter->flow_level || emitter->canonical - || event->data.sequence_start.style == YAML_FLOW_SEQUENCE_STYLE - || yaml_emitter_check_empty_sequence(emitter)) { - emitter->state = YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE; - } - else { - emitter->state = YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE; - } - - return 1; -} - -/* - * Expect MAPPING-START. - */ - -static int -yaml_emitter_emit_mapping_start(yaml_emitter_t *emitter, yaml_event_t *event) -{ - if (!yaml_emitter_process_anchor(emitter)) - return 0; - if (!yaml_emitter_process_tag(emitter)) - return 0; - - if (emitter->flow_level || emitter->canonical - || event->data.mapping_start.style == YAML_FLOW_MAPPING_STYLE - || yaml_emitter_check_empty_mapping(emitter)) { - emitter->state = YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE; - } - else { - emitter->state = YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE; - } - - return 1; -} - -/* - * Check if the document content is an empty scalar. - */ - -static int -yaml_emitter_check_empty_document(SHIM(yaml_emitter_t *emitter)) -{ - return 0; -} - -/* - * Check if the next events represent an empty sequence. - */ - -static int -yaml_emitter_check_empty_sequence(yaml_emitter_t *emitter) -{ - if (emitter->events.tail - emitter->events.head < 2) - return 0; - - return (emitter->events.head[0].type == YAML_SEQUENCE_START_EVENT - && emitter->events.head[1].type == YAML_SEQUENCE_END_EVENT); -} - -/* - * Check if the next events represent an empty mapping. - */ - -static int -yaml_emitter_check_empty_mapping(yaml_emitter_t *emitter) -{ - if (emitter->events.tail - emitter->events.head < 2) - return 0; - - return (emitter->events.head[0].type == YAML_MAPPING_START_EVENT - && emitter->events.head[1].type == YAML_MAPPING_END_EVENT); -} - -/* - * Check if the next node can be expressed as a simple key. - */ - -static int -yaml_emitter_check_simple_key(yaml_emitter_t *emitter) -{ - yaml_event_t *event = emitter->events.head; - size_t length = 0; - - switch (event->type) - { - case YAML_ALIAS_EVENT: - length += emitter->anchor_data.anchor_length; - break; - - case YAML_SCALAR_EVENT: - if (emitter->scalar_data.multiline) - return 0; - length += emitter->anchor_data.anchor_length - + emitter->tag_data.handle_length - + emitter->tag_data.suffix_length - + emitter->scalar_data.length; - break; - - case YAML_SEQUENCE_START_EVENT: - if (!yaml_emitter_check_empty_sequence(emitter)) - return 0; - length += emitter->anchor_data.anchor_length - + emitter->tag_data.handle_length - + emitter->tag_data.suffix_length; - break; - - case YAML_MAPPING_START_EVENT: - if (!yaml_emitter_check_empty_mapping(emitter)) - return 0; - length += emitter->anchor_data.anchor_length - + emitter->tag_data.handle_length - + emitter->tag_data.suffix_length; - break; - - default: - return 0; - } - - if (length > 128) - return 0; - - return 1; -} - -/* - * Determine an acceptable scalar style. - */ - -static int -yaml_emitter_select_scalar_style(yaml_emitter_t *emitter, yaml_event_t *event) -{ - yaml_scalar_style_t style = event->data.scalar.style; - int no_tag = (!emitter->tag_data.handle && !emitter->tag_data.suffix); - - if (no_tag && !event->data.scalar.plain_implicit - && !event->data.scalar.quoted_implicit) { - return yaml_emitter_set_emitter_error(emitter, - "neither tag nor implicit flags are specified"); - } - - if (style == YAML_ANY_SCALAR_STYLE) - style = YAML_PLAIN_SCALAR_STYLE; - - if (emitter->canonical) - style = YAML_DOUBLE_QUOTED_SCALAR_STYLE; - - if (emitter->simple_key_context && emitter->scalar_data.multiline) - style = YAML_DOUBLE_QUOTED_SCALAR_STYLE; - - if (style == YAML_PLAIN_SCALAR_STYLE) - { - if ((emitter->flow_level && !emitter->scalar_data.flow_plain_allowed) - || (!emitter->flow_level && !emitter->scalar_data.block_plain_allowed)) - style = YAML_SINGLE_QUOTED_SCALAR_STYLE; - if (!emitter->scalar_data.length - && (emitter->flow_level || emitter->simple_key_context)) - style = YAML_SINGLE_QUOTED_SCALAR_STYLE; - if (no_tag && !event->data.scalar.plain_implicit) - style = YAML_SINGLE_QUOTED_SCALAR_STYLE; - } - - if (style == YAML_SINGLE_QUOTED_SCALAR_STYLE) - { - if (!emitter->scalar_data.single_quoted_allowed) - style = YAML_DOUBLE_QUOTED_SCALAR_STYLE; - } - - if (style == YAML_LITERAL_SCALAR_STYLE || style == YAML_FOLDED_SCALAR_STYLE) - { - if (!emitter->scalar_data.block_allowed - || emitter->flow_level || emitter->simple_key_context) - style = YAML_DOUBLE_QUOTED_SCALAR_STYLE; - } - - if (no_tag && !event->data.scalar.quoted_implicit - && style != YAML_PLAIN_SCALAR_STYLE) - { - emitter->tag_data.handle = (yaml_char_t *)"!"; - emitter->tag_data.handle_length = 1; - } - - emitter->scalar_data.style = style; - - return 1; -} - -/* - * Write an achor. - */ - -static int -yaml_emitter_process_anchor(yaml_emitter_t *emitter) -{ - if (!emitter->anchor_data.anchor) - return 1; - - if (!yaml_emitter_write_indicator(emitter, - (emitter->anchor_data.alias ? "*" : "&"), 1, 0, 0)) - return 0; - - return yaml_emitter_write_anchor(emitter, - emitter->anchor_data.anchor, emitter->anchor_data.anchor_length); -} - -/* - * Write a tag. - */ - -static int -yaml_emitter_process_tag(yaml_emitter_t *emitter) -{ - if (!emitter->tag_data.handle && !emitter->tag_data.suffix) - return 1; - - if (emitter->tag_data.handle) - { - if (!yaml_emitter_write_tag_handle(emitter, emitter->tag_data.handle, - emitter->tag_data.handle_length)) - return 0; - if (emitter->tag_data.suffix) { - if (!yaml_emitter_write_tag_content(emitter, emitter->tag_data.suffix, - emitter->tag_data.suffix_length, 0)) - return 0; - } - } - else - { - if (!yaml_emitter_write_indicator(emitter, "!<", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_tag_content(emitter, emitter->tag_data.suffix, - emitter->tag_data.suffix_length, 0)) - return 0; - if (!yaml_emitter_write_indicator(emitter, ">", 0, 0, 0)) - return 0; - } - - return 1; -} - -/* - * Write a scalar. - */ - -static int -yaml_emitter_process_scalar(yaml_emitter_t *emitter) -{ - switch (emitter->scalar_data.style) - { - case YAML_PLAIN_SCALAR_STYLE: - return yaml_emitter_write_plain_scalar(emitter, - emitter->scalar_data.value, emitter->scalar_data.length, - !emitter->simple_key_context); - - case YAML_SINGLE_QUOTED_SCALAR_STYLE: - return yaml_emitter_write_single_quoted_scalar(emitter, - emitter->scalar_data.value, emitter->scalar_data.length, - !emitter->simple_key_context); - - case YAML_DOUBLE_QUOTED_SCALAR_STYLE: - return yaml_emitter_write_double_quoted_scalar(emitter, - emitter->scalar_data.value, emitter->scalar_data.length, - !emitter->simple_key_context); - - case YAML_LITERAL_SCALAR_STYLE: - return yaml_emitter_write_literal_scalar(emitter, - emitter->scalar_data.value, emitter->scalar_data.length); - - case YAML_FOLDED_SCALAR_STYLE: - return yaml_emitter_write_folded_scalar(emitter, - emitter->scalar_data.value, emitter->scalar_data.length); - - default: - assert(1); /* Impossible. */ - } - - return 0; -} - -/* - * Check if a %YAML directive is valid. - */ - -static int -yaml_emitter_analyze_version_directive(yaml_emitter_t *emitter, - yaml_version_directive_t version_directive) -{ - if (version_directive.major != 1 || ( - version_directive.minor != 1 && version_directive.minor != 2) ) { - return yaml_emitter_set_emitter_error(emitter, - "incompatible %YAML directive"); - } - - return 1; -} - -/* - * Check if a %TAG directive is valid. - */ - -static int -yaml_emitter_analyze_tag_directive(yaml_emitter_t *emitter, - yaml_tag_directive_t tag_directive) -{ - yaml_string_t handle; - yaml_string_t prefix; - size_t handle_length; - size_t prefix_length; - - handle_length = strlen((char *)tag_directive.handle); - prefix_length = strlen((char *)tag_directive.prefix); - STRING_ASSIGN(handle, tag_directive.handle, handle_length); - STRING_ASSIGN(prefix, tag_directive.prefix, prefix_length); - - if (handle.start == handle.end) { - return yaml_emitter_set_emitter_error(emitter, - "tag handle must not be empty"); - } - - if (handle.start[0] != '!') { - return yaml_emitter_set_emitter_error(emitter, - "tag handle must start with '!'"); - } - - if (handle.end[-1] != '!') { - return yaml_emitter_set_emitter_error(emitter, - "tag handle must end with '!'"); - } - - handle.pointer ++; - - while (handle.pointer < handle.end-1) { - if (!IS_ALPHA(handle)) { - return yaml_emitter_set_emitter_error(emitter, - "tag handle must contain alphanumerical characters only"); - } - MOVE(handle); - } - - if (prefix.start == prefix.end) { - return yaml_emitter_set_emitter_error(emitter, - "tag prefix must not be empty"); - } - - return 1; -} - -/* - * Check if an anchor is valid. - */ - -static int -yaml_emitter_analyze_anchor(yaml_emitter_t *emitter, - yaml_char_t *anchor, int alias) -{ - size_t anchor_length; - yaml_string_t string; - - anchor_length = strlen((char *)anchor); - STRING_ASSIGN(string, anchor, anchor_length); - - if (string.start == string.end) { - return yaml_emitter_set_emitter_error(emitter, alias ? - "alias value must not be empty" : - "anchor value must not be empty"); - } - - while (string.pointer != string.end) { - if (!IS_ALPHA(string)) { - return yaml_emitter_set_emitter_error(emitter, alias ? - "alias value must contain alphanumerical characters only" : - "anchor value must contain alphanumerical characters only"); - } - MOVE(string); - } - - emitter->anchor_data.anchor = string.start; - emitter->anchor_data.anchor_length = string.end - string.start; - emitter->anchor_data.alias = alias; - - return 1; -} - -/* - * Check if a tag is valid. - */ - -static int -yaml_emitter_analyze_tag(yaml_emitter_t *emitter, - yaml_char_t *tag) -{ - size_t tag_length; - yaml_string_t string; - yaml_tag_directive_t *tag_directive; - - tag_length = strlen((char *)tag); - STRING_ASSIGN(string, tag, tag_length); - - if (string.start == string.end) { - return yaml_emitter_set_emitter_error(emitter, - "tag value must not be empty"); - } - - for (tag_directive = emitter->tag_directives.start; - tag_directive != emitter->tag_directives.top; tag_directive ++) { - size_t prefix_length = strlen((char *)tag_directive->prefix); - if (prefix_length < (size_t)(string.end - string.start) - && strncmp((char *)tag_directive->prefix, (char *)string.start, - prefix_length) == 0) - { - emitter->tag_data.handle = tag_directive->handle; - emitter->tag_data.handle_length = - strlen((char *)tag_directive->handle); - emitter->tag_data.suffix = string.start + prefix_length; - emitter->tag_data.suffix_length = - (string.end - string.start) - prefix_length; - return 1; - } - } - - emitter->tag_data.suffix = string.start; - emitter->tag_data.suffix_length = string.end - string.start; - - return 1; -} - -/* - * Check if a scalar is valid. - */ - -static int -yaml_emitter_analyze_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length) -{ - yaml_string_t string; - - int block_indicators = 0; - int flow_indicators = 0; - int line_breaks = 0; - int special_characters = 0; - - int leading_space = 0; - int leading_break = 0; - int trailing_space = 0; - int trailing_break = 0; - int break_space = 0; - int space_break = 0; - - int preceded_by_whitespace = 0; - int followed_by_whitespace = 0; - int previous_space = 0; - int previous_break = 0; - - STRING_ASSIGN(string, value, length); - - emitter->scalar_data.value = value; - emitter->scalar_data.length = length; - - if (string.start == string.end) - { - emitter->scalar_data.multiline = 0; - emitter->scalar_data.flow_plain_allowed = 0; - emitter->scalar_data.block_plain_allowed = 1; - emitter->scalar_data.single_quoted_allowed = 1; - emitter->scalar_data.block_allowed = 0; - - return 1; - } - - if ((CHECK_AT(string, '-', 0) - && CHECK_AT(string, '-', 1) - && CHECK_AT(string, '-', 2)) - || (CHECK_AT(string, '.', 0) - && CHECK_AT(string, '.', 1) - && CHECK_AT(string, '.', 2))) { - block_indicators = 1; - flow_indicators = 1; - } - - preceded_by_whitespace = 1; - followed_by_whitespace = IS_BLANKZ_AT(string, WIDTH(string)); - - while (string.pointer != string.end) - { - if (string.start == string.pointer) - { - if (CHECK(string, '#') || CHECK(string, ',') - || CHECK(string, '[') || CHECK(string, ']') - || CHECK(string, '{') || CHECK(string, '}') - || CHECK(string, '&') || CHECK(string, '*') - || CHECK(string, '!') || CHECK(string, '|') - || CHECK(string, '>') || CHECK(string, '\'') - || CHECK(string, '"') || CHECK(string, '%') - || CHECK(string, '@') || CHECK(string, '`')) { - flow_indicators = 1; - block_indicators = 1; - } - - if (CHECK(string, '?') || CHECK(string, ':')) { - flow_indicators = 1; - if (followed_by_whitespace) { - block_indicators = 1; - } - } - - if (CHECK(string, '-') && followed_by_whitespace) { - flow_indicators = 1; - block_indicators = 1; - } - } - else - { - if (CHECK(string, ',') || CHECK(string, '?') - || CHECK(string, '[') || CHECK(string, ']') - || CHECK(string, '{') || CHECK(string, '}')) { - flow_indicators = 1; - } - - if (CHECK(string, ':')) { - flow_indicators = 1; - if (followed_by_whitespace) { - block_indicators = 1; - } - } - - if (CHECK(string, '#') && preceded_by_whitespace) { - flow_indicators = 1; - block_indicators = 1; - } - } - - if (!IS_PRINTABLE(string) - || (!IS_ASCII(string) && !emitter->unicode)) { - special_characters = 1; - } - - if (IS_BREAK(string)) { - line_breaks = 1; - } - - if (IS_SPACE(string)) - { - if (string.start == string.pointer) { - leading_space = 1; - } - if (string.pointer+WIDTH(string) == string.end) { - trailing_space = 1; - } - if (previous_break) { - break_space = 1; - } - previous_space = 1; - previous_break = 0; - } - else if (IS_BREAK(string)) - { - if (string.start == string.pointer) { - leading_break = 1; - } - if (string.pointer+WIDTH(string) == string.end) { - trailing_break = 1; - } - if (previous_space) { - space_break = 1; - } - previous_space = 0; - previous_break = 1; - } - else - { - previous_space = 0; - previous_break = 0; - } - - preceded_by_whitespace = IS_BLANKZ(string); - MOVE(string); - if (string.pointer != string.end) { - followed_by_whitespace = IS_BLANKZ_AT(string, WIDTH(string)); - } - } - - emitter->scalar_data.multiline = line_breaks; - - emitter->scalar_data.flow_plain_allowed = 1; - emitter->scalar_data.block_plain_allowed = 1; - emitter->scalar_data.single_quoted_allowed = 1; - emitter->scalar_data.block_allowed = 1; - - if (leading_space || leading_break || trailing_space || trailing_break) { - emitter->scalar_data.flow_plain_allowed = 0; - emitter->scalar_data.block_plain_allowed = 0; - } - - if (trailing_space) { - emitter->scalar_data.block_allowed = 0; - } - - if (break_space) { - emitter->scalar_data.flow_plain_allowed = 0; - emitter->scalar_data.block_plain_allowed = 0; - emitter->scalar_data.single_quoted_allowed = 0; - } - - if (space_break || special_characters) { - emitter->scalar_data.flow_plain_allowed = 0; - emitter->scalar_data.block_plain_allowed = 0; - emitter->scalar_data.single_quoted_allowed = 0; - emitter->scalar_data.block_allowed = 0; - } - - if (line_breaks) { - emitter->scalar_data.flow_plain_allowed = 0; - emitter->scalar_data.block_plain_allowed = 0; - } - - if (flow_indicators) { - emitter->scalar_data.flow_plain_allowed = 0; - } - - if (block_indicators) { - emitter->scalar_data.block_plain_allowed = 0; - } - - return 1; -} - -/* - * Check if the event data is valid. - */ - -static int -yaml_emitter_analyze_event(yaml_emitter_t *emitter, - yaml_event_t *event) -{ - emitter->anchor_data.anchor = NULL; - emitter->anchor_data.anchor_length = 0; - emitter->tag_data.handle = NULL; - emitter->tag_data.handle_length = 0; - emitter->tag_data.suffix = NULL; - emitter->tag_data.suffix_length = 0; - emitter->scalar_data.value = NULL; - emitter->scalar_data.length = 0; - - switch (event->type) - { - case YAML_ALIAS_EVENT: - if (!yaml_emitter_analyze_anchor(emitter, - event->data.alias.anchor, 1)) - return 0; - return 1; - - case YAML_SCALAR_EVENT: - if (event->data.scalar.anchor) { - if (!yaml_emitter_analyze_anchor(emitter, - event->data.scalar.anchor, 0)) - return 0; - } - if (event->data.scalar.tag && (emitter->canonical || - (!event->data.scalar.plain_implicit - && !event->data.scalar.quoted_implicit))) { - if (!yaml_emitter_analyze_tag(emitter, event->data.scalar.tag)) - return 0; - } - if (!yaml_emitter_analyze_scalar(emitter, - event->data.scalar.value, event->data.scalar.length)) - return 0; - return 1; - - case YAML_SEQUENCE_START_EVENT: - if (event->data.sequence_start.anchor) { - if (!yaml_emitter_analyze_anchor(emitter, - event->data.sequence_start.anchor, 0)) - return 0; - } - if (event->data.sequence_start.tag && (emitter->canonical || - !event->data.sequence_start.implicit)) { - if (!yaml_emitter_analyze_tag(emitter, - event->data.sequence_start.tag)) - return 0; - } - return 1; - - case YAML_MAPPING_START_EVENT: - if (event->data.mapping_start.anchor) { - if (!yaml_emitter_analyze_anchor(emitter, - event->data.mapping_start.anchor, 0)) - return 0; - } - if (event->data.mapping_start.tag && (emitter->canonical || - !event->data.mapping_start.implicit)) { - if (!yaml_emitter_analyze_tag(emitter, - event->data.mapping_start.tag)) - return 0; - } - return 1; - - default: - return 1; - } -} - -/* - * Write the BOM character. - */ - -static int -yaml_emitter_write_bom(yaml_emitter_t *emitter) -{ - if (!FLUSH(emitter)) return 0; - - *(emitter->buffer.pointer++) = (yaml_char_t) '\xEF'; - *(emitter->buffer.pointer++) = (yaml_char_t) '\xBB'; - *(emitter->buffer.pointer++) = (yaml_char_t) '\xBF'; - - return 1; -} - -static int -yaml_emitter_write_indent(yaml_emitter_t *emitter) -{ - int indent = (emitter->indent >= 0) ? emitter->indent : 0; - - if (!emitter->indention || emitter->column > indent - || (emitter->column == indent && !emitter->whitespace)) { - if (!PUT_BREAK(emitter)) return 0; - } - - while (emitter->column < indent) { - if (!PUT(emitter, ' ')) return 0; - } - - emitter->whitespace = 1; - emitter->indention = 1; - - return 1; -} - -static int -yaml_emitter_write_indicator(yaml_emitter_t *emitter, - const char *indicator, int need_whitespace, - int is_whitespace, int is_indention) -{ - size_t indicator_length; - yaml_string_t string; - - indicator_length = strlen(indicator); - STRING_ASSIGN(string, (yaml_char_t *)indicator, indicator_length); - - if (need_whitespace && !emitter->whitespace) { - if (!PUT(emitter, ' ')) return 0; - } - - while (string.pointer != string.end) { - if (!WRITE(emitter, string)) return 0; - } - - emitter->whitespace = is_whitespace; - emitter->indention = (emitter->indention && is_indention); - emitter->open_ended = 0; - - return 1; -} - -static int -yaml_emitter_write_anchor(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length) -{ - yaml_string_t string; - STRING_ASSIGN(string, value, length); - - while (string.pointer != string.end) { - if (!WRITE(emitter, string)) return 0; - } - - emitter->whitespace = 0; - emitter->indention = 0; - - return 1; -} - -static int -yaml_emitter_write_tag_handle(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length) -{ - yaml_string_t string; - STRING_ASSIGN(string, value, length); - - if (!emitter->whitespace) { - if (!PUT(emitter, ' ')) return 0; - } - - while (string.pointer != string.end) { - if (!WRITE(emitter, string)) return 0; - } - - emitter->whitespace = 0; - emitter->indention = 0; - - return 1; -} - -static int -yaml_emitter_write_tag_content(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, - int need_whitespace) -{ - yaml_string_t string; - STRING_ASSIGN(string, value, length); - - if (need_whitespace && !emitter->whitespace) { - if (!PUT(emitter, ' ')) return 0; - } - - while (string.pointer != string.end) { - if (IS_ALPHA(string) - || CHECK(string, ';') || CHECK(string, '/') - || CHECK(string, '?') || CHECK(string, ':') - || CHECK(string, '@') || CHECK(string, '&') - || CHECK(string, '=') || CHECK(string, '+') - || CHECK(string, '$') || CHECK(string, ',') - || CHECK(string, '_') || CHECK(string, '.') - || CHECK(string, '~') || CHECK(string, '*') - || CHECK(string, '\'') || CHECK(string, '(') - || CHECK(string, ')') || CHECK(string, '[') - || CHECK(string, ']')) { - if (!WRITE(emitter, string)) return 0; - } - else { - int width = WIDTH(string); - unsigned int value; - while (width --) { - value = *(string.pointer++); - if (!PUT(emitter, '%')) return 0; - if (!PUT(emitter, (value >> 4) - + ((value >> 4) < 10 ? '0' : 'A' - 10))) - return 0; - if (!PUT(emitter, (value & 0x0F) - + ((value & 0x0F) < 10 ? '0' : 'A' - 10))) - return 0; - } - } - } - - emitter->whitespace = 0; - emitter->indention = 0; - - return 1; -} - -static int -yaml_emitter_write_plain_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks) -{ - yaml_string_t string; - int spaces = 0; - int breaks = 0; - - STRING_ASSIGN(string, value, length); - - if (!emitter->whitespace) { - if (!PUT(emitter, ' ')) return 0; - } - - while (string.pointer != string.end) - { - if (IS_SPACE(string)) - { - if (allow_breaks && !spaces - && emitter->column > emitter->best_width - && !IS_SPACE_AT(string, 1)) { - if (!yaml_emitter_write_indent(emitter)) return 0; - MOVE(string); - } - else { - if (!WRITE(emitter, string)) return 0; - } - spaces = 1; - } - else if (IS_BREAK(string)) - { - if (!breaks && CHECK(string, '\n')) { - if (!PUT_BREAK(emitter)) return 0; - } - if (!WRITE_BREAK(emitter, string)) return 0; - emitter->indention = 1; - breaks = 1; - } - else - { - if (breaks) { - if (!yaml_emitter_write_indent(emitter)) return 0; - } - if (!WRITE(emitter, string)) return 0; - emitter->indention = 0; - spaces = 0; - breaks = 0; - } - } - - emitter->whitespace = 0; - emitter->indention = 0; - if (emitter->root_context) - { - emitter->open_ended = 1; - } - - return 1; -} - -static int -yaml_emitter_write_single_quoted_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks) -{ - yaml_string_t string; - int spaces = 0; - int breaks = 0; - - STRING_ASSIGN(string, value, length); - - if (!yaml_emitter_write_indicator(emitter, "'", 1, 0, 0)) - return 0; - - while (string.pointer != string.end) - { - if (IS_SPACE(string)) - { - if (allow_breaks && !spaces - && emitter->column > emitter->best_width - && string.pointer != string.start - && string.pointer != string.end - 1 - && !IS_SPACE_AT(string, 1)) { - if (!yaml_emitter_write_indent(emitter)) return 0; - MOVE(string); - } - else { - if (!WRITE(emitter, string)) return 0; - } - spaces = 1; - } - else if (IS_BREAK(string)) - { - if (!breaks && CHECK(string, '\n')) { - if (!PUT_BREAK(emitter)) return 0; - } - if (!WRITE_BREAK(emitter, string)) return 0; - emitter->indention = 1; - breaks = 1; - } - else - { - if (breaks) { - if (!yaml_emitter_write_indent(emitter)) return 0; - } - if (CHECK(string, '\'')) { - if (!PUT(emitter, '\'')) return 0; - } - if (!WRITE(emitter, string)) return 0; - emitter->indention = 0; - spaces = 0; - breaks = 0; - } - } - - if (breaks) - if (!yaml_emitter_write_indent(emitter)) return 0; - - if (!yaml_emitter_write_indicator(emitter, "'", 0, 0, 0)) - return 0; - - emitter->whitespace = 0; - emitter->indention = 0; - - return 1; -} - -static int -yaml_emitter_write_double_quoted_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length, int allow_breaks) -{ - yaml_string_t string; - int spaces = 0; - - STRING_ASSIGN(string, value, length); - - if (!yaml_emitter_write_indicator(emitter, "\"", 1, 0, 0)) - return 0; - - while (string.pointer != string.end) - { - if (!IS_PRINTABLE(string) || (!emitter->unicode && !IS_ASCII(string)) - || IS_BOM(string) || IS_BREAK(string) - || CHECK(string, '"') || CHECK(string, '\\')) - { - unsigned char octet; - unsigned int width; - unsigned int value; - int k; - - octet = string.pointer[0]; - width = (octet & 0x80) == 0x00 ? 1 : - (octet & 0xE0) == 0xC0 ? 2 : - (octet & 0xF0) == 0xE0 ? 3 : - (octet & 0xF8) == 0xF0 ? 4 : 0; - value = (octet & 0x80) == 0x00 ? octet & 0x7F : - (octet & 0xE0) == 0xC0 ? octet & 0x1F : - (octet & 0xF0) == 0xE0 ? octet & 0x0F : - (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0; - for (k = 1; k < (int)width; k ++) { - octet = string.pointer[k]; - value = (value << 6) + (octet & 0x3F); - } - string.pointer += width; - - if (!PUT(emitter, '\\')) return 0; - - switch (value) - { - case 0x00: - if (!PUT(emitter, '0')) return 0; - break; - - case 0x07: - if (!PUT(emitter, 'a')) return 0; - break; - - case 0x08: - if (!PUT(emitter, 'b')) return 0; - break; - - case 0x09: - if (!PUT(emitter, 't')) return 0; - break; - - case 0x0A: - if (!PUT(emitter, 'n')) return 0; - break; - - case 0x0B: - if (!PUT(emitter, 'v')) return 0; - break; - - case 0x0C: - if (!PUT(emitter, 'f')) return 0; - break; - - case 0x0D: - if (!PUT(emitter, 'r')) return 0; - break; - - case 0x1B: - if (!PUT(emitter, 'e')) return 0; - break; - - case 0x22: - if (!PUT(emitter, '\"')) return 0; - break; - - case 0x5C: - if (!PUT(emitter, '\\')) return 0; - break; - - case 0x85: - if (!PUT(emitter, 'N')) return 0; - break; - - case 0xA0: - if (!PUT(emitter, '_')) return 0; - break; - - case 0x2028: - if (!PUT(emitter, 'L')) return 0; - break; - - case 0x2029: - if (!PUT(emitter, 'P')) return 0; - break; - - default: - if (value <= 0xFF) { - if (!PUT(emitter, 'x')) return 0; - width = 2; - } - else if (value <= 0xFFFF) { - if (!PUT(emitter, 'u')) return 0; - width = 4; - } - else { - if (!PUT(emitter, 'U')) return 0; - width = 8; - } - for (k = (width-1)*4; k >= 0; k -= 4) { - int digit = (value >> k) & 0x0F; - if (!PUT(emitter, digit + (digit < 10 ? '0' : 'A'-10))) - return 0; - } - } - spaces = 0; - } - else if (IS_SPACE(string)) - { - if (allow_breaks && !spaces - && emitter->column > emitter->best_width - && string.pointer != string.start - && string.pointer != string.end - 1) { - if (!yaml_emitter_write_indent(emitter)) return 0; - if (IS_SPACE_AT(string, 1)) { - if (!PUT(emitter, '\\')) return 0; - } - MOVE(string); - } - else { - if (!WRITE(emitter, string)) return 0; - } - spaces = 1; - } - else - { - if (!WRITE(emitter, string)) return 0; - spaces = 0; - } - } - - if (!yaml_emitter_write_indicator(emitter, "\"", 0, 0, 0)) - return 0; - - emitter->whitespace = 0; - emitter->indention = 0; - - return 1; -} - -static int -yaml_emitter_write_block_scalar_hints(yaml_emitter_t *emitter, - yaml_string_t string) -{ - char indent_hint[2]; - const char *chomp_hint = NULL; - - if (IS_SPACE(string) || IS_BREAK(string)) - { - indent_hint[0] = '0' + (char)emitter->best_indent; - indent_hint[1] = '\0'; - if (!yaml_emitter_write_indicator(emitter, indent_hint, 0, 0, 0)) - return 0; - } - - emitter->open_ended = 0; - - string.pointer = string.end; - if (string.start == string.pointer) - { - chomp_hint = "-"; - } - else - { - do { - string.pointer --; - } while ((*string.pointer & 0xC0) == 0x80); - if (!IS_BREAK(string)) - { - chomp_hint = "-"; - } - else if (string.start == string.pointer) - { - chomp_hint = "+"; - emitter->open_ended = 1; - } - else - { - do { - string.pointer --; - } while ((*string.pointer & 0xC0) == 0x80); - if (IS_BREAK(string)) - { - chomp_hint = "+"; - emitter->open_ended = 1; - } - } - } - - if (chomp_hint) - { - if (!yaml_emitter_write_indicator(emitter, chomp_hint, 0, 0, 0)) - return 0; - } - - return 1; -} - -static int -yaml_emitter_write_literal_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length) -{ - yaml_string_t string; - int breaks = 1; - - STRING_ASSIGN(string, value, length); - - if (!yaml_emitter_write_indicator(emitter, "|", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_block_scalar_hints(emitter, string)) - return 0; - if (!PUT_BREAK(emitter)) return 0; - emitter->indention = 1; - emitter->whitespace = 1; - - while (string.pointer != string.end) - { - if (IS_BREAK(string)) - { - if (!WRITE_BREAK(emitter, string)) return 0; - emitter->indention = 1; - breaks = 1; - } - else - { - if (breaks) { - if (!yaml_emitter_write_indent(emitter)) return 0; - } - if (!WRITE(emitter, string)) return 0; - emitter->indention = 0; - breaks = 0; - } - } - - return 1; -} - -static int -yaml_emitter_write_folded_scalar(yaml_emitter_t *emitter, - yaml_char_t *value, size_t length) -{ - yaml_string_t string; - int breaks = 1; - int leading_spaces = 1; - - STRING_ASSIGN(string, value, length); - - if (!yaml_emitter_write_indicator(emitter, ">", 1, 0, 0)) - return 0; - if (!yaml_emitter_write_block_scalar_hints(emitter, string)) - return 0; - if (!PUT_BREAK(emitter)) return 0; - emitter->indention = 1; - emitter->whitespace = 1; - - while (string.pointer != string.end) - { - if (IS_BREAK(string)) - { - if (!breaks && !leading_spaces && CHECK(string, '\n')) { - int k = 0; - while (IS_BREAK_AT(string, k)) { - k += WIDTH_AT(string, k); - } - if (!IS_BLANKZ_AT(string, k)) { - if (!PUT_BREAK(emitter)) return 0; - } - } - if (!WRITE_BREAK(emitter, string)) return 0; - emitter->indention = 1; - breaks = 1; - } - else - { - if (breaks) { - if (!yaml_emitter_write_indent(emitter)) return 0; - leading_spaces = IS_BLANK(string); - } - if (!breaks && IS_SPACE(string) && !IS_SPACE_AT(string, 1) - && emitter->column > emitter->best_width) { - if (!yaml_emitter_write_indent(emitter)) return 0; - MOVE(string); - } - else { - if (!WRITE(emitter, string)) return 0; - } - emitter->indention = 0; - breaks = 0; - } - } - - return 1; -} diff --git a/ext/loader.c b/ext/loader.c deleted file mode 100644 index db8501a..0000000 --- a/ext/loader.c +++ /dev/null @@ -1,444 +0,0 @@ - -#include "yaml_private.h" - -/* - * API functions. - */ - -YAML_DECLARE(int) -yaml_parser_load(yaml_parser_t *parser, yaml_document_t *document); - -/* - * Error handling. - */ - -static int -yaml_parser_set_composer_error(yaml_parser_t *parser, - const char *problem, yaml_mark_t problem_mark); - -static int -yaml_parser_set_composer_error_context(yaml_parser_t *parser, - const char *context, yaml_mark_t context_mark, - const char *problem, yaml_mark_t problem_mark); - - -/* - * Alias handling. - */ - -static int -yaml_parser_register_anchor(yaml_parser_t *parser, - int index, yaml_char_t *anchor); - -/* - * Clean up functions. - */ - -static void -yaml_parser_delete_aliases(yaml_parser_t *parser); - -/* - * Composer functions. - */ - -static int -yaml_parser_load_document(yaml_parser_t *parser, yaml_event_t *first_event); - -static int -yaml_parser_load_node(yaml_parser_t *parser, yaml_event_t *first_event); - -static int -yaml_parser_load_alias(yaml_parser_t *parser, yaml_event_t *first_event); - -static int -yaml_parser_load_scalar(yaml_parser_t *parser, yaml_event_t *first_event); - -static int -yaml_parser_load_sequence(yaml_parser_t *parser, yaml_event_t *first_event); - -static int -yaml_parser_load_mapping(yaml_parser_t *parser, yaml_event_t *first_event); - -/* - * Load the next document of the stream. - */ - -YAML_DECLARE(int) -yaml_parser_load(yaml_parser_t *parser, yaml_document_t *document) -{ - yaml_event_t event; - - assert(parser); /* Non-NULL parser object is expected. */ - assert(document); /* Non-NULL document object is expected. */ - - memset(document, 0, sizeof(yaml_document_t)); - if (!STACK_INIT(parser, document->nodes, yaml_node_t*)) - goto error; - - if (!parser->stream_start_produced) { - if (!yaml_parser_parse(parser, &event)) goto error; - assert(event.type == YAML_STREAM_START_EVENT); - /* STREAM-START is expected. */ - } - - if (parser->stream_end_produced) { - return 1; - } - - if (!yaml_parser_parse(parser, &event)) goto error; - if (event.type == YAML_STREAM_END_EVENT) { - return 1; - } - - if (!STACK_INIT(parser, parser->aliases, yaml_alias_data_t*)) - goto error; - - parser->document = document; - - if (!yaml_parser_load_document(parser, &event)) goto error; - - yaml_parser_delete_aliases(parser); - parser->document = NULL; - - return 1; - -error: - - yaml_parser_delete_aliases(parser); - yaml_document_delete(document); - parser->document = NULL; - - return 0; -} - -/* - * Set composer error. - */ - -static int -yaml_parser_set_composer_error(yaml_parser_t *parser, - const char *problem, yaml_mark_t problem_mark) -{ - parser->error = YAML_COMPOSER_ERROR; - parser->problem = problem; - parser->problem_mark = problem_mark; - - return 0; -} - -/* - * Set composer error with context. - */ - -static int -yaml_parser_set_composer_error_context(yaml_parser_t *parser, - const char *context, yaml_mark_t context_mark, - const char *problem, yaml_mark_t problem_mark) -{ - parser->error = YAML_COMPOSER_ERROR; - parser->context = context; - parser->context_mark = context_mark; - parser->problem = problem; - parser->problem_mark = problem_mark; - - return 0; -} - -/* - * Delete the stack of aliases. - */ - -static void -yaml_parser_delete_aliases(yaml_parser_t *parser) -{ - while (!STACK_EMPTY(parser, parser->aliases)) { - yaml_free(POP(parser, parser->aliases).anchor); - } - STACK_DEL(parser, parser->aliases); -} - -/* - * Compose a document object. - */ - -static int -yaml_parser_load_document(yaml_parser_t *parser, yaml_event_t *first_event) -{ - yaml_event_t event; - - assert(first_event->type == YAML_DOCUMENT_START_EVENT); - /* DOCUMENT-START is expected. */ - - parser->document->version_directive - = first_event->data.document_start.version_directive; - parser->document->tag_directives.start - = first_event->data.document_start.tag_directives.start; - parser->document->tag_directives.end - = first_event->data.document_start.tag_directives.end; - parser->document->start_implicit - = first_event->data.document_start.implicit; - parser->document->start_mark = first_event->start_mark; - - if (!yaml_parser_parse(parser, &event)) return 0; - - if (!yaml_parser_load_node(parser, &event)) return 0; - - if (!yaml_parser_parse(parser, &event)) return 0; - assert(event.type == YAML_DOCUMENT_END_EVENT); - /* DOCUMENT-END is expected. */ - - parser->document->end_implicit = event.data.document_end.implicit; - parser->document->end_mark = event.end_mark; - - return 1; -} - -/* - * Compose a node. - */ - -static int -yaml_parser_load_node(yaml_parser_t *parser, yaml_event_t *first_event) -{ - switch (first_event->type) { - case YAML_ALIAS_EVENT: - return yaml_parser_load_alias(parser, first_event); - case YAML_SCALAR_EVENT: - return yaml_parser_load_scalar(parser, first_event); - case YAML_SEQUENCE_START_EVENT: - return yaml_parser_load_sequence(parser, first_event); - case YAML_MAPPING_START_EVENT: - return yaml_parser_load_mapping(parser, first_event); - default: - assert(0); /* Could not happen. */ - return 0; - } - - return 0; -} - -/* - * Add an anchor. - */ - -static int -yaml_parser_register_anchor(yaml_parser_t *parser, - int index, yaml_char_t *anchor) -{ - yaml_alias_data_t data; - yaml_alias_data_t *alias_data; - - if (!anchor) return 1; - - data.anchor = anchor; - data.index = index; - data.mark = parser->document->nodes.start[index-1].start_mark; - - for (alias_data = parser->aliases.start; - alias_data != parser->aliases.top; alias_data ++) { - if (strcmp((char *)alias_data->anchor, (char *)anchor) == 0) { - yaml_free(anchor); - return yaml_parser_set_composer_error_context(parser, - "found duplicate anchor; first occurrence", - alias_data->mark, "second occurrence", data.mark); - } - } - - if (!PUSH(parser, parser->aliases, data)) { - yaml_free(anchor); - return 0; - } - - return 1; -} - -/* - * Compose a node corresponding to an alias. - */ - -static int -yaml_parser_load_alias(yaml_parser_t *parser, yaml_event_t *first_event) -{ - yaml_char_t *anchor = first_event->data.alias.anchor; - yaml_alias_data_t *alias_data; - - for (alias_data = parser->aliases.start; - alias_data != parser->aliases.top; alias_data ++) { - if (strcmp((char *)alias_data->anchor, (char *)anchor) == 0) { - yaml_free(anchor); - return alias_data->index; - } - } - - yaml_free(anchor); - return yaml_parser_set_composer_error(parser, "found undefined alias", - first_event->start_mark); -} - -/* - * Compose a scalar node. - */ - -static int -yaml_parser_load_scalar(yaml_parser_t *parser, yaml_event_t *first_event) -{ - yaml_node_t node; - int index; - yaml_char_t *tag = first_event->data.scalar.tag; - - if (!STACK_LIMIT(parser, parser->document->nodes, INT_MAX-1)) goto error; - - if (!tag || strcmp((char *)tag, "!") == 0) { - yaml_free(tag); - tag = yaml_strdup((yaml_char_t *)YAML_DEFAULT_SCALAR_TAG); - if (!tag) goto error; - } - - SCALAR_NODE_INIT(node, tag, first_event->data.scalar.value, - first_event->data.scalar.length, first_event->data.scalar.style, - first_event->start_mark, first_event->end_mark); - - if (!PUSH(parser, parser->document->nodes, node)) goto error; - - index = parser->document->nodes.top - parser->document->nodes.start; - - if (!yaml_parser_register_anchor(parser, index, - first_event->data.scalar.anchor)) return 0; - - return index; - -error: - yaml_free(tag); - yaml_free(first_event->data.scalar.anchor); - yaml_free(first_event->data.scalar.value); - return 0; -} - -/* - * Compose a sequence node. - */ - -static int -yaml_parser_load_sequence(yaml_parser_t *parser, yaml_event_t *first_event) -{ - yaml_event_t event; - yaml_node_t node; - struct { - yaml_node_item_t *start; - yaml_node_item_t *end; - yaml_node_item_t *top; - } items = { NULL, NULL, NULL }; - int index, item_index; - yaml_char_t *tag = first_event->data.sequence_start.tag; - - if (!STACK_LIMIT(parser, parser->document->nodes, INT_MAX-1)) goto error; - - if (!tag || strcmp((char *)tag, "!") == 0) { - yaml_free(tag); - tag = yaml_strdup((yaml_char_t *)YAML_DEFAULT_SEQUENCE_TAG); - if (!tag) goto error; - } - - if (!STACK_INIT(parser, items, yaml_node_item_t*)) goto error; - - SEQUENCE_NODE_INIT(node, tag, items.start, items.end, - first_event->data.sequence_start.style, - first_event->start_mark, first_event->end_mark); - - if (!PUSH(parser, parser->document->nodes, node)) goto error; - - index = parser->document->nodes.top - parser->document->nodes.start; - - if (!yaml_parser_register_anchor(parser, index, - first_event->data.sequence_start.anchor)) return 0; - - if (!yaml_parser_parse(parser, &event)) return 0; - - while (event.type != YAML_SEQUENCE_END_EVENT) { - if (!STACK_LIMIT(parser, - parser->document->nodes.start[index-1].data.sequence.items, - INT_MAX-1)) return 0; - item_index = yaml_parser_load_node(parser, &event); - if (!item_index) return 0; - if (!PUSH(parser, - parser->document->nodes.start[index-1].data.sequence.items, - item_index)) return 0; - if (!yaml_parser_parse(parser, &event)) return 0; - } - - parser->document->nodes.start[index-1].end_mark = event.end_mark; - - return index; - -error: - yaml_free(tag); - yaml_free(first_event->data.sequence_start.anchor); - return 0; -} - -/* - * Compose a mapping node. - */ - -static int -yaml_parser_load_mapping(yaml_parser_t *parser, yaml_event_t *first_event) -{ - yaml_event_t event; - yaml_node_t node; - struct { - yaml_node_pair_t *start; - yaml_node_pair_t *end; - yaml_node_pair_t *top; - } pairs = { NULL, NULL, NULL }; - int index; - yaml_node_pair_t pair; - yaml_char_t *tag = first_event->data.mapping_start.tag; - - if (!STACK_LIMIT(parser, parser->document->nodes, INT_MAX-1)) goto error; - - if (!tag || strcmp((char *)tag, "!") == 0) { - yaml_free(tag); - tag = yaml_strdup((yaml_char_t *)YAML_DEFAULT_MAPPING_TAG); - if (!tag) goto error; - } - - if (!STACK_INIT(parser, pairs, yaml_node_pair_t*)) goto error; - - MAPPING_NODE_INIT(node, tag, pairs.start, pairs.end, - first_event->data.mapping_start.style, - first_event->start_mark, first_event->end_mark); - - if (!PUSH(parser, parser->document->nodes, node)) goto error; - - index = parser->document->nodes.top - parser->document->nodes.start; - - if (!yaml_parser_register_anchor(parser, index, - first_event->data.mapping_start.anchor)) return 0; - - if (!yaml_parser_parse(parser, &event)) return 0; - - while (event.type != YAML_MAPPING_END_EVENT) { - if (!STACK_LIMIT(parser, - parser->document->nodes.start[index-1].data.mapping.pairs, - INT_MAX-1)) return 0; - pair.key = yaml_parser_load_node(parser, &event); - if (!pair.key) return 0; - if (!yaml_parser_parse(parser, &event)) return 0; - pair.value = yaml_parser_load_node(parser, &event); - if (!pair.value) return 0; - if (!PUSH(parser, - parser->document->nodes.start[index-1].data.mapping.pairs, - pair)) return 0; - if (!yaml_parser_parse(parser, &event)) return 0; - } - - parser->document->nodes.start[index-1].end_mark = event.end_mark; - - return index; - -error: - yaml_free(tag); - yaml_free(first_event->data.mapping_start.anchor); - return 0; -} - diff --git a/ext/parser.c b/ext/parser.c deleted file mode 100644 index 3aecb59..0000000 --- a/ext/parser.c +++ /dev/null @@ -1,1378 +0,0 @@ - -/* - * The parser implements the following grammar: - * - * stream ::= STREAM-START implicit_document? explicit_document* STREAM-END - * implicit_document ::= block_node DOCUMENT-END* - * explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - * block_node_or_indentless_sequence ::= - * ALIAS - * | properties (block_content | indentless_block_sequence)? - * | block_content - * | indentless_block_sequence - * block_node ::= ALIAS - * | properties block_content? - * | block_content - * flow_node ::= ALIAS - * | properties flow_content? - * | flow_content - * properties ::= TAG ANCHOR? | ANCHOR TAG? - * block_content ::= block_collection | flow_collection | SCALAR - * flow_content ::= flow_collection | SCALAR - * block_collection ::= block_sequence | block_mapping - * flow_collection ::= flow_sequence | flow_mapping - * block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END - * indentless_sequence ::= (BLOCK-ENTRY block_node?)+ - * block_mapping ::= BLOCK-MAPPING_START - * ((KEY block_node_or_indentless_sequence?)? - * (VALUE block_node_or_indentless_sequence?)?)* - * BLOCK-END - * flow_sequence ::= FLOW-SEQUENCE-START - * (flow_sequence_entry FLOW-ENTRY)* - * flow_sequence_entry? - * FLOW-SEQUENCE-END - * flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * flow_mapping ::= FLOW-MAPPING-START - * (flow_mapping_entry FLOW-ENTRY)* - * flow_mapping_entry? - * FLOW-MAPPING-END - * flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - */ - -#include "yaml_private.h" - -/* - * Peek the next token in the token queue. - */ - -#define PEEK_TOKEN(parser) \ - ((parser->token_available || yaml_parser_fetch_more_tokens(parser)) ? \ - parser->tokens.head : NULL) - -/* - * Remove the next token from the queue (must be called after PEEK_TOKEN). - */ - -#define SKIP_TOKEN(parser) \ - (parser->token_available = 0, \ - parser->tokens_parsed ++, \ - parser->stream_end_produced = \ - (parser->tokens.head->type == YAML_STREAM_END_TOKEN), \ - parser->tokens.head ++) - -/* - * Public API declarations. - */ - -YAML_DECLARE(int) -yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event); - -/* - * Error handling. - */ - -static int -yaml_parser_set_parser_error(yaml_parser_t *parser, - const char *problem, yaml_mark_t problem_mark); - -static int -yaml_parser_set_parser_error_context(yaml_parser_t *parser, - const char *context, yaml_mark_t context_mark, - const char *problem, yaml_mark_t problem_mark); - -/* - * State functions. - */ - -static int -yaml_parser_state_machine(yaml_parser_t *parser, yaml_event_t *event); - -static int -yaml_parser_parse_stream_start(yaml_parser_t *parser, yaml_event_t *event); - -static int -yaml_parser_parse_document_start(yaml_parser_t *parser, yaml_event_t *event, - int implicit); - -static int -yaml_parser_parse_document_content(yaml_parser_t *parser, yaml_event_t *event); - -static int -yaml_parser_parse_document_end(yaml_parser_t *parser, yaml_event_t *event); - -static int -yaml_parser_parse_node(yaml_parser_t *parser, yaml_event_t *event, - int block, int indentless_sequence); - -static int -yaml_parser_parse_block_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event, int first); - -static int -yaml_parser_parse_indentless_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event); - -static int -yaml_parser_parse_block_mapping_key(yaml_parser_t *parser, - yaml_event_t *event, int first); - -static int -yaml_parser_parse_block_mapping_value(yaml_parser_t *parser, - yaml_event_t *event); - -static int -yaml_parser_parse_flow_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event, int first); - -static int -yaml_parser_parse_flow_sequence_entry_mapping_key(yaml_parser_t *parser, - yaml_event_t *event); - -static int -yaml_parser_parse_flow_sequence_entry_mapping_value(yaml_parser_t *parser, - yaml_event_t *event); - -static int -yaml_parser_parse_flow_sequence_entry_mapping_end(yaml_parser_t *parser, - yaml_event_t *event); - -static int -yaml_parser_parse_flow_mapping_key(yaml_parser_t *parser, - yaml_event_t *event, int first); - -static int -yaml_parser_parse_flow_mapping_value(yaml_parser_t *parser, - yaml_event_t *event, int empty); - -/* - * Utility functions. - */ - -static int -yaml_parser_process_empty_scalar(yaml_parser_t *parser, - yaml_event_t *event, yaml_mark_t mark); - -static int -yaml_parser_process_directives(yaml_parser_t *parser, - yaml_version_directive_t **version_directive_ref, - yaml_tag_directive_t **tag_directives_start_ref, - yaml_tag_directive_t **tag_directives_end_ref); - -static int -yaml_parser_append_tag_directive(yaml_parser_t *parser, - yaml_tag_directive_t value, int allow_duplicates, yaml_mark_t mark); - -/* - * Get the next event. - */ - -YAML_DECLARE(int) -yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event) -{ - assert(parser); /* Non-NULL parser object is expected. */ - assert(event); /* Non-NULL event object is expected. */ - - /* Erase the event object. */ - - memset(event, 0, sizeof(yaml_event_t)); - - /* No events after the end of the stream or error. */ - - if (parser->stream_end_produced || parser->error || - parser->state == YAML_PARSE_END_STATE) { - return 1; - } - - /* Generate the next event. */ - - return yaml_parser_state_machine(parser, event); -} - -/* - * Set parser error. - */ - -static int -yaml_parser_set_parser_error(yaml_parser_t *parser, - const char *problem, yaml_mark_t problem_mark) -{ - parser->error = YAML_PARSER_ERROR; - parser->problem = problem; - parser->problem_mark = problem_mark; - - return 0; -} - -static int -yaml_parser_set_parser_error_context(yaml_parser_t *parser, - const char *context, yaml_mark_t context_mark, - const char *problem, yaml_mark_t problem_mark) -{ - parser->error = YAML_PARSER_ERROR; - parser->context = context; - parser->context_mark = context_mark; - parser->problem = problem; - parser->problem_mark = problem_mark; - - return 0; -} - - -/* - * State dispatcher. - */ - -static int -yaml_parser_state_machine(yaml_parser_t *parser, yaml_event_t *event) -{ - switch (parser->state) - { - case YAML_PARSE_STREAM_START_STATE: - return yaml_parser_parse_stream_start(parser, event); - - case YAML_PARSE_IMPLICIT_DOCUMENT_START_STATE: - return yaml_parser_parse_document_start(parser, event, 1); - - case YAML_PARSE_DOCUMENT_START_STATE: - return yaml_parser_parse_document_start(parser, event, 0); - - case YAML_PARSE_DOCUMENT_CONTENT_STATE: - return yaml_parser_parse_document_content(parser, event); - - case YAML_PARSE_DOCUMENT_END_STATE: - return yaml_parser_parse_document_end(parser, event); - - case YAML_PARSE_BLOCK_NODE_STATE: - return yaml_parser_parse_node(parser, event, 1, 0); - - case YAML_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE: - return yaml_parser_parse_node(parser, event, 1, 1); - - case YAML_PARSE_FLOW_NODE_STATE: - return yaml_parser_parse_node(parser, event, 0, 0); - - case YAML_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE: - return yaml_parser_parse_block_sequence_entry(parser, event, 1); - - case YAML_PARSE_BLOCK_SEQUENCE_ENTRY_STATE: - return yaml_parser_parse_block_sequence_entry(parser, event, 0); - - case YAML_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE: - return yaml_parser_parse_indentless_sequence_entry(parser, event); - - case YAML_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE: - return yaml_parser_parse_block_mapping_key(parser, event, 1); - - case YAML_PARSE_BLOCK_MAPPING_KEY_STATE: - return yaml_parser_parse_block_mapping_key(parser, event, 0); - - case YAML_PARSE_BLOCK_MAPPING_VALUE_STATE: - return yaml_parser_parse_block_mapping_value(parser, event); - - case YAML_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE: - return yaml_parser_parse_flow_sequence_entry(parser, event, 1); - - case YAML_PARSE_FLOW_SEQUENCE_ENTRY_STATE: - return yaml_parser_parse_flow_sequence_entry(parser, event, 0); - - case YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE: - return yaml_parser_parse_flow_sequence_entry_mapping_key(parser, event); - - case YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE: - return yaml_parser_parse_flow_sequence_entry_mapping_value(parser, event); - - case YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE: - return yaml_parser_parse_flow_sequence_entry_mapping_end(parser, event); - - case YAML_PARSE_FLOW_MAPPING_FIRST_KEY_STATE: - return yaml_parser_parse_flow_mapping_key(parser, event, 1); - - case YAML_PARSE_FLOW_MAPPING_KEY_STATE: - return yaml_parser_parse_flow_mapping_key(parser, event, 0); - - case YAML_PARSE_FLOW_MAPPING_VALUE_STATE: - return yaml_parser_parse_flow_mapping_value(parser, event, 0); - - case YAML_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE: - return yaml_parser_parse_flow_mapping_value(parser, event, 1); - - default: - assert(1); /* Invalid state. */ - } - - return 0; -} - -/* - * Parse the production: - * stream ::= STREAM-START implicit_document? explicit_document* STREAM-END - * ************ - */ - -static int -yaml_parser_parse_stream_start(yaml_parser_t *parser, yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type != YAML_STREAM_START_TOKEN) { - return yaml_parser_set_parser_error(parser, - "did not find expected ", token->start_mark); - } - - parser->state = YAML_PARSE_IMPLICIT_DOCUMENT_START_STATE; - STREAM_START_EVENT_INIT(*event, token->data.stream_start.encoding, - token->start_mark, token->start_mark); - SKIP_TOKEN(parser); - - return 1; -} - -/* - * Parse the productions: - * implicit_document ::= block_node DOCUMENT-END* - * * - * explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - * ************************* - */ - -static int -yaml_parser_parse_document_start(yaml_parser_t *parser, yaml_event_t *event, - int implicit) -{ - yaml_token_t *token; - yaml_version_directive_t *version_directive = NULL; - struct { - yaml_tag_directive_t *start; - yaml_tag_directive_t *end; - } tag_directives = { NULL, NULL }; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - /* Parse extra document end indicators. */ - - if (!implicit) - { - while (token->type == YAML_DOCUMENT_END_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - } - } - - /* Parse an implicit document. */ - - if (implicit && token->type != YAML_VERSION_DIRECTIVE_TOKEN && - token->type != YAML_TAG_DIRECTIVE_TOKEN && - token->type != YAML_DOCUMENT_START_TOKEN && - token->type != YAML_STREAM_END_TOKEN) - { - if (!yaml_parser_process_directives(parser, NULL, NULL, NULL)) - return 0; - if (!PUSH(parser, parser->states, YAML_PARSE_DOCUMENT_END_STATE)) - return 0; - parser->state = YAML_PARSE_BLOCK_NODE_STATE; - DOCUMENT_START_EVENT_INIT(*event, NULL, NULL, NULL, 1, - token->start_mark, token->start_mark); - return 1; - } - - /* Parse an explicit document. */ - - else if (token->type != YAML_STREAM_END_TOKEN) - { - yaml_mark_t start_mark, end_mark; - start_mark = token->start_mark; - if (!yaml_parser_process_directives(parser, &version_directive, - &tag_directives.start, &tag_directives.end)) - return 0; - token = PEEK_TOKEN(parser); - if (!token) goto error; - if (token->type != YAML_DOCUMENT_START_TOKEN) { - yaml_parser_set_parser_error(parser, - "did not find expected ", token->start_mark); - goto error; - } - if (!PUSH(parser, parser->states, YAML_PARSE_DOCUMENT_END_STATE)) - goto error; - parser->state = YAML_PARSE_DOCUMENT_CONTENT_STATE; - end_mark = token->end_mark; - DOCUMENT_START_EVENT_INIT(*event, version_directive, - tag_directives.start, tag_directives.end, 0, - start_mark, end_mark); - SKIP_TOKEN(parser); - version_directive = NULL; - tag_directives.start = tag_directives.end = NULL; - return 1; - } - - /* Parse the stream end. */ - - else - { - parser->state = YAML_PARSE_END_STATE; - STREAM_END_EVENT_INIT(*event, token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; - } - -error: - yaml_free(version_directive); - while (tag_directives.start != tag_directives.end) { - yaml_free(tag_directives.end[-1].handle); - yaml_free(tag_directives.end[-1].prefix); - tag_directives.end --; - } - yaml_free(tag_directives.start); - return 0; -} - -/* - * Parse the productions: - * explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - * *********** - */ - -static int -yaml_parser_parse_document_content(yaml_parser_t *parser, yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_VERSION_DIRECTIVE_TOKEN || - token->type == YAML_TAG_DIRECTIVE_TOKEN || - token->type == YAML_DOCUMENT_START_TOKEN || - token->type == YAML_DOCUMENT_END_TOKEN || - token->type == YAML_STREAM_END_TOKEN) { - parser->state = POP(parser, parser->states); - return yaml_parser_process_empty_scalar(parser, event, - token->start_mark); - } - else { - return yaml_parser_parse_node(parser, event, 1, 0); - } -} - -/* - * Parse the productions: - * implicit_document ::= block_node DOCUMENT-END* - * ************* - * explicit_document ::= DIRECTIVE* DOCUMENT-START block_node? DOCUMENT-END* - * ************* - */ - -static int -yaml_parser_parse_document_end(yaml_parser_t *parser, yaml_event_t *event) -{ - yaml_token_t *token; - yaml_mark_t start_mark, end_mark; - int implicit = 1; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - start_mark = end_mark = token->start_mark; - - if (token->type == YAML_DOCUMENT_END_TOKEN) { - end_mark = token->end_mark; - SKIP_TOKEN(parser); - implicit = 0; - } - - while (!STACK_EMPTY(parser, parser->tag_directives)) { - yaml_tag_directive_t tag_directive = POP(parser, parser->tag_directives); - yaml_free(tag_directive.handle); - yaml_free(tag_directive.prefix); - } - - parser->state = YAML_PARSE_DOCUMENT_START_STATE; - DOCUMENT_END_EVENT_INIT(*event, implicit, start_mark, end_mark); - - return 1; -} - -/* - * Parse the productions: - * block_node_or_indentless_sequence ::= - * ALIAS - * ***** - * | properties (block_content | indentless_block_sequence)? - * ********** * - * | block_content | indentless_block_sequence - * * - * block_node ::= ALIAS - * ***** - * | properties block_content? - * ********** * - * | block_content - * * - * flow_node ::= ALIAS - * ***** - * | properties flow_content? - * ********** * - * | flow_content - * * - * properties ::= TAG ANCHOR? | ANCHOR TAG? - * ************************* - * block_content ::= block_collection | flow_collection | SCALAR - * ****** - * flow_content ::= flow_collection | SCALAR - * ****** - */ - -static int -yaml_parser_parse_node(yaml_parser_t *parser, yaml_event_t *event, - int block, int indentless_sequence) -{ - yaml_token_t *token; - yaml_char_t *anchor = NULL; - yaml_char_t *tag_handle = NULL; - yaml_char_t *tag_suffix = NULL; - yaml_char_t *tag = NULL; - yaml_mark_t start_mark, end_mark, tag_mark; - int implicit; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_ALIAS_TOKEN) - { - parser->state = POP(parser, parser->states); - ALIAS_EVENT_INIT(*event, token->data.alias.value, - token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; - } - - else - { - start_mark = end_mark = token->start_mark; - - if (token->type == YAML_ANCHOR_TOKEN) - { - anchor = token->data.anchor.value; - start_mark = token->start_mark; - end_mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) goto error; - if (token->type == YAML_TAG_TOKEN) - { - tag_handle = token->data.tag.handle; - tag_suffix = token->data.tag.suffix; - tag_mark = token->start_mark; - end_mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) goto error; - } - } - else if (token->type == YAML_TAG_TOKEN) - { - tag_handle = token->data.tag.handle; - tag_suffix = token->data.tag.suffix; - start_mark = tag_mark = token->start_mark; - end_mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) goto error; - if (token->type == YAML_ANCHOR_TOKEN) - { - anchor = token->data.anchor.value; - end_mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) goto error; - } - } - - if (tag_handle) { - if (!*tag_handle) { - tag = tag_suffix; - yaml_free(tag_handle); - tag_handle = tag_suffix = NULL; - } - else { - yaml_tag_directive_t *tag_directive; - for (tag_directive = parser->tag_directives.start; - tag_directive != parser->tag_directives.top; - tag_directive ++) { - if (strcmp((char *)tag_directive->handle, (char *)tag_handle) == 0) { - size_t prefix_len = strlen((char *)tag_directive->prefix); - size_t suffix_len = strlen((char *)tag_suffix); - tag = YAML_MALLOC(prefix_len+suffix_len+1); - if (!tag) { - parser->error = YAML_MEMORY_ERROR; - goto error; - } - memcpy(tag, tag_directive->prefix, prefix_len); - memcpy(tag+prefix_len, tag_suffix, suffix_len); - tag[prefix_len+suffix_len] = '\0'; - yaml_free(tag_handle); - yaml_free(tag_suffix); - tag_handle = tag_suffix = NULL; - break; - } - } - if (!tag) { - yaml_parser_set_parser_error_context(parser, - "while parsing a node", start_mark, - "found undefined tag handle", tag_mark); - goto error; - } - } - } - - implicit = (!tag || !*tag); - if (indentless_sequence && token->type == YAML_BLOCK_ENTRY_TOKEN) { - end_mark = token->end_mark; - parser->state = YAML_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE; - SEQUENCE_START_EVENT_INIT(*event, anchor, tag, implicit, - YAML_BLOCK_SEQUENCE_STYLE, start_mark, end_mark); - return 1; - } - else { - if (token->type == YAML_SCALAR_TOKEN) { - int plain_implicit = 0; - int quoted_implicit = 0; - end_mark = token->end_mark; - if ((token->data.scalar.style == YAML_PLAIN_SCALAR_STYLE && !tag) - || (tag && strcmp((char *)tag, "!") == 0)) { - plain_implicit = 1; - } - else if (!tag) { - quoted_implicit = 1; - } - parser->state = POP(parser, parser->states); - SCALAR_EVENT_INIT(*event, anchor, tag, - token->data.scalar.value, token->data.scalar.length, - plain_implicit, quoted_implicit, - token->data.scalar.style, start_mark, end_mark); - SKIP_TOKEN(parser); - return 1; - } - else if (token->type == YAML_FLOW_SEQUENCE_START_TOKEN) { - end_mark = token->end_mark; - parser->state = YAML_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE; - SEQUENCE_START_EVENT_INIT(*event, anchor, tag, implicit, - YAML_FLOW_SEQUENCE_STYLE, start_mark, end_mark); - return 1; - } - else if (token->type == YAML_FLOW_MAPPING_START_TOKEN) { - end_mark = token->end_mark; - parser->state = YAML_PARSE_FLOW_MAPPING_FIRST_KEY_STATE; - MAPPING_START_EVENT_INIT(*event, anchor, tag, implicit, - YAML_FLOW_MAPPING_STYLE, start_mark, end_mark); - return 1; - } - else if (block && token->type == YAML_BLOCK_SEQUENCE_START_TOKEN) { - end_mark = token->end_mark; - parser->state = YAML_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE; - SEQUENCE_START_EVENT_INIT(*event, anchor, tag, implicit, - YAML_BLOCK_SEQUENCE_STYLE, start_mark, end_mark); - return 1; - } - else if (block && token->type == YAML_BLOCK_MAPPING_START_TOKEN) { - end_mark = token->end_mark; - parser->state = YAML_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE; - MAPPING_START_EVENT_INIT(*event, anchor, tag, implicit, - YAML_BLOCK_MAPPING_STYLE, start_mark, end_mark); - return 1; - } - else if (anchor || tag) { - yaml_char_t *value = YAML_MALLOC(1); - if (!value) { - parser->error = YAML_MEMORY_ERROR; - goto error; - } - value[0] = '\0'; - parser->state = POP(parser, parser->states); - SCALAR_EVENT_INIT(*event, anchor, tag, value, 0, - implicit, 0, YAML_PLAIN_SCALAR_STYLE, - start_mark, end_mark); - return 1; - } - else { - yaml_parser_set_parser_error_context(parser, - (block ? "while parsing a block node" - : "while parsing a flow node"), start_mark, - "did not find expected node content", token->start_mark); - goto error; - } - } - } - -error: - yaml_free(anchor); - yaml_free(tag_handle); - yaml_free(tag_suffix); - yaml_free(tag); - - return 0; -} - -/* - * Parse the productions: - * block_sequence ::= BLOCK-SEQUENCE-START (BLOCK-ENTRY block_node?)* BLOCK-END - * ******************** *********** * ********* - */ - -static int -yaml_parser_parse_block_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event, int first) -{ - yaml_token_t *token; - - if (first) { - token = PEEK_TOKEN(parser); - if (!PUSH(parser, parser->marks, token->start_mark)) - return 0; - SKIP_TOKEN(parser); - } - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_BLOCK_ENTRY_TOKEN) - { - yaml_mark_t mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_BLOCK_ENTRY_TOKEN && - token->type != YAML_BLOCK_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_BLOCK_SEQUENCE_ENTRY_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 1, 0); - } - else { - parser->state = YAML_PARSE_BLOCK_SEQUENCE_ENTRY_STATE; - return yaml_parser_process_empty_scalar(parser, event, mark); - } - } - - else if (token->type == YAML_BLOCK_END_TOKEN) - { - yaml_mark_t dummy_mark; /* Used to eliminate a compiler warning. */ - parser->state = POP(parser, parser->states); - dummy_mark = POP(parser, parser->marks); - SEQUENCE_END_EVENT_INIT(*event, token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; - } - - else - { - return yaml_parser_set_parser_error_context(parser, - "while parsing a block collection", POP(parser, parser->marks), - "did not find expected '-' indicator", token->start_mark); - } -} - -/* - * Parse the productions: - * indentless_sequence ::= (BLOCK-ENTRY block_node?)+ - * *********** * - */ - -static int -yaml_parser_parse_indentless_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_BLOCK_ENTRY_TOKEN) - { - yaml_mark_t mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_BLOCK_ENTRY_TOKEN && - token->type != YAML_KEY_TOKEN && - token->type != YAML_VALUE_TOKEN && - token->type != YAML_BLOCK_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 1, 0); - } - else { - parser->state = YAML_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE; - return yaml_parser_process_empty_scalar(parser, event, mark); - } - } - - else - { - parser->state = POP(parser, parser->states); - SEQUENCE_END_EVENT_INIT(*event, token->start_mark, token->start_mark); - return 1; - } -} - -/* - * Parse the productions: - * block_mapping ::= BLOCK-MAPPING_START - * ******************* - * ((KEY block_node_or_indentless_sequence?)? - * *** * - * (VALUE block_node_or_indentless_sequence?)?)* - * - * BLOCK-END - * ********* - */ - -static int -yaml_parser_parse_block_mapping_key(yaml_parser_t *parser, - yaml_event_t *event, int first) -{ - yaml_token_t *token; - - if (first) { - token = PEEK_TOKEN(parser); - if (!PUSH(parser, parser->marks, token->start_mark)) - return 0; - SKIP_TOKEN(parser); - } - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_KEY_TOKEN) - { - yaml_mark_t mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_KEY_TOKEN && - token->type != YAML_VALUE_TOKEN && - token->type != YAML_BLOCK_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_BLOCK_MAPPING_VALUE_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 1, 1); - } - else { - parser->state = YAML_PARSE_BLOCK_MAPPING_VALUE_STATE; - return yaml_parser_process_empty_scalar(parser, event, mark); - } - } - - else if (token->type == YAML_BLOCK_END_TOKEN) - { - yaml_mark_t dummy_mark; /* Used to eliminate a compiler warning. */ - parser->state = POP(parser, parser->states); - dummy_mark = POP(parser, parser->marks); - MAPPING_END_EVENT_INIT(*event, token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; - } - - else - { - return yaml_parser_set_parser_error_context(parser, - "while parsing a block mapping", POP(parser, parser->marks), - "did not find expected key", token->start_mark); - } -} - -/* - * Parse the productions: - * block_mapping ::= BLOCK-MAPPING_START - * - * ((KEY block_node_or_indentless_sequence?)? - * - * (VALUE block_node_or_indentless_sequence?)?)* - * ***** * - * BLOCK-END - * - */ - -static int -yaml_parser_parse_block_mapping_value(yaml_parser_t *parser, - yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_VALUE_TOKEN) - { - yaml_mark_t mark = token->end_mark; - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_KEY_TOKEN && - token->type != YAML_VALUE_TOKEN && - token->type != YAML_BLOCK_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_BLOCK_MAPPING_KEY_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 1, 1); - } - else { - parser->state = YAML_PARSE_BLOCK_MAPPING_KEY_STATE; - return yaml_parser_process_empty_scalar(parser, event, mark); - } - } - - else - { - parser->state = YAML_PARSE_BLOCK_MAPPING_KEY_STATE; - return yaml_parser_process_empty_scalar(parser, event, token->start_mark); - } -} - -/* - * Parse the productions: - * flow_sequence ::= FLOW-SEQUENCE-START - * ******************* - * (flow_sequence_entry FLOW-ENTRY)* - * * ********** - * flow_sequence_entry? - * * - * FLOW-SEQUENCE-END - * ***************** - * flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * * - */ - -static int -yaml_parser_parse_flow_sequence_entry(yaml_parser_t *parser, - yaml_event_t *event, int first) -{ - yaml_token_t *token; - yaml_mark_t dummy_mark; /* Used to eliminate a compiler warning. */ - - if (first) { - token = PEEK_TOKEN(parser); - if (!PUSH(parser, parser->marks, token->start_mark)) - return 0; - SKIP_TOKEN(parser); - } - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type != YAML_FLOW_SEQUENCE_END_TOKEN) - { - if (!first) { - if (token->type == YAML_FLOW_ENTRY_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - } - else { - return yaml_parser_set_parser_error_context(parser, - "while parsing a flow sequence", POP(parser, parser->marks), - "did not find expected ',' or ']'", token->start_mark); - } - } - - if (token->type == YAML_KEY_TOKEN) { - parser->state = YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE; - MAPPING_START_EVENT_INIT(*event, NULL, NULL, - 1, YAML_FLOW_MAPPING_STYLE, - token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; - } - - else if (token->type != YAML_FLOW_SEQUENCE_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_SEQUENCE_ENTRY_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - } - - parser->state = POP(parser, parser->states); - dummy_mark = POP(parser, parser->marks); - SEQUENCE_END_EVENT_INIT(*event, token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; -} - -/* - * Parse the productions: - * flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * *** * - */ - -static int -yaml_parser_parse_flow_sequence_entry_mapping_key(yaml_parser_t *parser, - yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type != YAML_VALUE_TOKEN && token->type != YAML_FLOW_ENTRY_TOKEN - && token->type != YAML_FLOW_SEQUENCE_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - else { - yaml_mark_t mark = token->end_mark; - SKIP_TOKEN(parser); - parser->state = YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE; - return yaml_parser_process_empty_scalar(parser, event, mark); - } -} - -/* - * Parse the productions: - * flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * ***** * - */ - -static int -yaml_parser_parse_flow_sequence_entry_mapping_value(yaml_parser_t *parser, - yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type == YAML_VALUE_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_FLOW_ENTRY_TOKEN - && token->type != YAML_FLOW_SEQUENCE_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - } - parser->state = YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE; - return yaml_parser_process_empty_scalar(parser, event, token->start_mark); -} - -/* - * Parse the productions: - * flow_sequence_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * * - */ - -static int -yaml_parser_parse_flow_sequence_entry_mapping_end(yaml_parser_t *parser, - yaml_event_t *event) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - parser->state = YAML_PARSE_FLOW_SEQUENCE_ENTRY_STATE; - - MAPPING_END_EVENT_INIT(*event, token->start_mark, token->start_mark); - return 1; -} - -/* - * Parse the productions: - * flow_mapping ::= FLOW-MAPPING-START - * ****************** - * (flow_mapping_entry FLOW-ENTRY)* - * * ********** - * flow_mapping_entry? - * ****************** - * FLOW-MAPPING-END - * **************** - * flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * * *** * - */ - -static int -yaml_parser_parse_flow_mapping_key(yaml_parser_t *parser, - yaml_event_t *event, int first) -{ - yaml_token_t *token; - yaml_mark_t dummy_mark; /* Used to eliminate a compiler warning. */ - - if (first) { - token = PEEK_TOKEN(parser); - if (!PUSH(parser, parser->marks, token->start_mark)) - return 0; - SKIP_TOKEN(parser); - } - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (token->type != YAML_FLOW_MAPPING_END_TOKEN) - { - if (!first) { - if (token->type == YAML_FLOW_ENTRY_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - } - else { - return yaml_parser_set_parser_error_context(parser, - "while parsing a flow mapping", POP(parser, parser->marks), - "did not find expected ',' or '}'", token->start_mark); - } - } - - if (token->type == YAML_KEY_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_VALUE_TOKEN - && token->type != YAML_FLOW_ENTRY_TOKEN - && token->type != YAML_FLOW_MAPPING_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_MAPPING_VALUE_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - else { - parser->state = YAML_PARSE_FLOW_MAPPING_VALUE_STATE; - return yaml_parser_process_empty_scalar(parser, event, - token->start_mark); - } - } - else if (token->type != YAML_FLOW_MAPPING_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - } - - parser->state = POP(parser, parser->states); - dummy_mark = POP(parser, parser->marks); - MAPPING_END_EVENT_INIT(*event, token->start_mark, token->end_mark); - SKIP_TOKEN(parser); - return 1; -} - -/* - * Parse the productions: - * flow_mapping_entry ::= flow_node | KEY flow_node? (VALUE flow_node?)? - * * ***** * - */ - -static int -yaml_parser_parse_flow_mapping_value(yaml_parser_t *parser, - yaml_event_t *event, int empty) -{ - yaml_token_t *token; - - token = PEEK_TOKEN(parser); - if (!token) return 0; - - if (empty) { - parser->state = YAML_PARSE_FLOW_MAPPING_KEY_STATE; - return yaml_parser_process_empty_scalar(parser, event, - token->start_mark); - } - - if (token->type == YAML_VALUE_TOKEN) { - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) return 0; - if (token->type != YAML_FLOW_ENTRY_TOKEN - && token->type != YAML_FLOW_MAPPING_END_TOKEN) { - if (!PUSH(parser, parser->states, - YAML_PARSE_FLOW_MAPPING_KEY_STATE)) - return 0; - return yaml_parser_parse_node(parser, event, 0, 0); - } - } - - parser->state = YAML_PARSE_FLOW_MAPPING_KEY_STATE; - return yaml_parser_process_empty_scalar(parser, event, token->start_mark); -} - -/* - * Generate an empty scalar event. - */ - -static int -yaml_parser_process_empty_scalar(yaml_parser_t *parser, yaml_event_t *event, - yaml_mark_t mark) -{ - yaml_char_t *value; - - value = YAML_MALLOC(1); - if (!value) { - parser->error = YAML_MEMORY_ERROR; - return 0; - } - value[0] = '\0'; - - SCALAR_EVENT_INIT(*event, NULL, NULL, value, 0, - 1, 0, YAML_PLAIN_SCALAR_STYLE, mark, mark); - - return 1; -} - -/* - * Parse directives. - */ - -static int -yaml_parser_process_directives(yaml_parser_t *parser, - yaml_version_directive_t **version_directive_ref, - yaml_tag_directive_t **tag_directives_start_ref, - yaml_tag_directive_t **tag_directives_end_ref) -{ - yaml_tag_directive_t default_tag_directives[] = { - {(yaml_char_t *)"!", (yaml_char_t *)"!"}, - {(yaml_char_t *)"!!", (yaml_char_t *)"tag:yaml.org,2002:"}, - {NULL, NULL} - }; - yaml_tag_directive_t *default_tag_directive; - yaml_version_directive_t *version_directive = NULL; - struct { - yaml_tag_directive_t *start; - yaml_tag_directive_t *end; - yaml_tag_directive_t *top; - } tag_directives = { NULL, NULL, NULL }; - yaml_token_t *token; - - if (!STACK_INIT(parser, tag_directives, yaml_tag_directive_t*)) - goto error; - - token = PEEK_TOKEN(parser); - if (!token) goto error; - - while (token->type == YAML_VERSION_DIRECTIVE_TOKEN || - token->type == YAML_TAG_DIRECTIVE_TOKEN) - { - if (token->type == YAML_VERSION_DIRECTIVE_TOKEN) { - if (version_directive) { - yaml_parser_set_parser_error(parser, - "found duplicate %YAML directive", token->start_mark); - goto error; - } - if (token->data.version_directive.major != 1 - || (token->data.version_directive.minor != 1 - && token->data.version_directive.minor != 2 - ) - ) { - yaml_parser_set_parser_error(parser, - "found incompatible YAML document", token->start_mark); - goto error; - } - version_directive = YAML_MALLOC_STATIC(yaml_version_directive_t); - if (!version_directive) { - parser->error = YAML_MEMORY_ERROR; - goto error; - } - version_directive->major = token->data.version_directive.major; - version_directive->minor = token->data.version_directive.minor; - } - - else if (token->type == YAML_TAG_DIRECTIVE_TOKEN) { - yaml_tag_directive_t value; - value.handle = token->data.tag_directive.handle; - value.prefix = token->data.tag_directive.prefix; - - if (!yaml_parser_append_tag_directive(parser, value, 0, - token->start_mark)) - goto error; - if (!PUSH(parser, tag_directives, value)) - goto error; - } - - SKIP_TOKEN(parser); - token = PEEK_TOKEN(parser); - if (!token) goto error; - } - - for (default_tag_directive = default_tag_directives; - default_tag_directive->handle; default_tag_directive++) { - if (!yaml_parser_append_tag_directive(parser, *default_tag_directive, 1, - token->start_mark)) - goto error; - } - - if (version_directive_ref) { - *version_directive_ref = version_directive; - } - if (tag_directives_start_ref) { - if (STACK_EMPTY(parser, tag_directives)) { - *tag_directives_start_ref = *tag_directives_end_ref = NULL; - STACK_DEL(parser, tag_directives); - } - else { - *tag_directives_start_ref = tag_directives.start; - *tag_directives_end_ref = tag_directives.top; - } - } - else { - STACK_DEL(parser, tag_directives); - } - - if (!version_directive_ref) - yaml_free(version_directive); - return 1; - -error: - yaml_free(version_directive); - while (!STACK_EMPTY(parser, tag_directives)) { - yaml_tag_directive_t tag_directive = POP(parser, tag_directives); - yaml_free(tag_directive.handle); - yaml_free(tag_directive.prefix); - } - STACK_DEL(parser, tag_directives); - return 0; -} - -/* - * Append a tag directive to the directives stack. - */ - -static int -yaml_parser_append_tag_directive(yaml_parser_t *parser, - yaml_tag_directive_t value, int allow_duplicates, yaml_mark_t mark) -{ - yaml_tag_directive_t *tag_directive; - yaml_tag_directive_t copy = { NULL, NULL }; - - for (tag_directive = parser->tag_directives.start; - tag_directive != parser->tag_directives.top; tag_directive ++) { - if (strcmp((char *)value.handle, (char *)tag_directive->handle) == 0) { - if (allow_duplicates) - return 1; - return yaml_parser_set_parser_error(parser, - "found duplicate %TAG directive", mark); - } - } - - copy.handle = yaml_strdup(value.handle); - copy.prefix = yaml_strdup(value.prefix); - if (!copy.handle || !copy.prefix) { - parser->error = YAML_MEMORY_ERROR; - goto error; - } - - if (!PUSH(parser, parser->tag_directives, copy)) - goto error; - - return 1; - -error: - yaml_free(copy.handle); - yaml_free(copy.prefix); - return 0; -} diff --git a/ext/reader.c b/ext/reader.c deleted file mode 100644 index f3ac54c..0000000 --- a/ext/reader.c +++ /dev/null @@ -1,469 +0,0 @@ - -#include "yaml_private.h" - -/* - * Declarations. - */ - -static int -yaml_parser_set_reader_error(yaml_parser_t *parser, const char *problem, - size_t offset, int value); - -static int -yaml_parser_update_raw_buffer(yaml_parser_t *parser); - -static int -yaml_parser_determine_encoding(yaml_parser_t *parser); - -YAML_DECLARE(int) -yaml_parser_update_buffer(yaml_parser_t *parser, size_t length); - -/* - * Set the reader error and return 0. - */ - -static int -yaml_parser_set_reader_error(yaml_parser_t *parser, const char *problem, - size_t offset, int value) -{ - parser->error = YAML_READER_ERROR; - parser->problem = problem; - parser->problem_offset = offset; - parser->problem_value = value; - - return 0; -} - -/* - * Byte order marks. - */ - -#define BOM_UTF8 "\xef\xbb\xbf" -#define BOM_UTF16LE "\xff\xfe" -#define BOM_UTF16BE "\xfe\xff" - -/* - * Determine the input stream encoding by checking the BOM symbol. If no BOM is - * found, the UTF-8 encoding is assumed. Return 1 on success, 0 on failure. - */ - -static int -yaml_parser_determine_encoding(yaml_parser_t *parser) -{ - /* Ensure that we had enough bytes in the raw buffer. */ - - while (!parser->eof - && parser->raw_buffer.last - parser->raw_buffer.pointer < 3) { - if (!yaml_parser_update_raw_buffer(parser)) { - return 0; - } - } - - /* Determine the encoding. */ - - if (parser->raw_buffer.last - parser->raw_buffer.pointer >= 2 - && !memcmp(parser->raw_buffer.pointer, BOM_UTF16LE, 2)) { - parser->encoding = YAML_UTF16LE_ENCODING; - parser->raw_buffer.pointer += 2; - parser->offset += 2; - } - else if (parser->raw_buffer.last - parser->raw_buffer.pointer >= 2 - && !memcmp(parser->raw_buffer.pointer, BOM_UTF16BE, 2)) { - parser->encoding = YAML_UTF16BE_ENCODING; - parser->raw_buffer.pointer += 2; - parser->offset += 2; - } - else if (parser->raw_buffer.last - parser->raw_buffer.pointer >= 3 - && !memcmp(parser->raw_buffer.pointer, BOM_UTF8, 3)) { - parser->encoding = YAML_UTF8_ENCODING; - parser->raw_buffer.pointer += 3; - parser->offset += 3; - } - else { - parser->encoding = YAML_UTF8_ENCODING; - } - - return 1; -} - -/* - * Update the raw buffer. - */ - -static int -yaml_parser_update_raw_buffer(yaml_parser_t *parser) -{ - size_t size_read = 0; - - /* Return if the raw buffer is full. */ - - if (parser->raw_buffer.start == parser->raw_buffer.pointer - && parser->raw_buffer.last == parser->raw_buffer.end) - return 1; - - /* Return on EOF. */ - - if (parser->eof) return 1; - - /* Move the remaining bytes in the raw buffer to the beginning. */ - - if (parser->raw_buffer.start < parser->raw_buffer.pointer - && parser->raw_buffer.pointer < parser->raw_buffer.last) { - memmove(parser->raw_buffer.start, parser->raw_buffer.pointer, - parser->raw_buffer.last - parser->raw_buffer.pointer); - } - parser->raw_buffer.last -= - parser->raw_buffer.pointer - parser->raw_buffer.start; - parser->raw_buffer.pointer = parser->raw_buffer.start; - - /* Call the read handler to fill the buffer. */ - - if (!parser->read_handler(parser->read_handler_data, parser->raw_buffer.last, - parser->raw_buffer.end - parser->raw_buffer.last, &size_read)) { - return yaml_parser_set_reader_error(parser, "input error", - parser->offset, -1); - } - parser->raw_buffer.last += size_read; - if (!size_read) { - parser->eof = 1; - } - - return 1; -} - -/* - * Ensure that the buffer contains at least `length` characters. - * Return 1 on success, 0 on failure. - * - * The length is supposed to be significantly less that the buffer size. - */ - -YAML_DECLARE(int) -yaml_parser_update_buffer(yaml_parser_t *parser, size_t length) -{ - int first = 1; - - assert(parser->read_handler); /* Read handler must be set. */ - - /* If the EOF flag is set and the raw buffer is empty, do nothing. */ - - if (parser->eof && parser->raw_buffer.pointer == parser->raw_buffer.last) - return 1; - - /* Return if the buffer contains enough characters. */ - - if (parser->unread >= length) - return 1; - - /* Determine the input encoding if it is not known yet. */ - - if (!parser->encoding) { - if (!yaml_parser_determine_encoding(parser)) - return 0; - } - - /* Move the unread characters to the beginning of the buffer. */ - - if (parser->buffer.start < parser->buffer.pointer - && parser->buffer.pointer < parser->buffer.last) { - size_t size = parser->buffer.last - parser->buffer.pointer; - memmove(parser->buffer.start, parser->buffer.pointer, size); - parser->buffer.pointer = parser->buffer.start; - parser->buffer.last = parser->buffer.start + size; - } - else if (parser->buffer.pointer == parser->buffer.last) { - parser->buffer.pointer = parser->buffer.start; - parser->buffer.last = parser->buffer.start; - } - - /* Fill the buffer until it has enough characters. */ - - while (parser->unread < length) - { - /* Fill the raw buffer if necessary. */ - - if (!first || parser->raw_buffer.pointer == parser->raw_buffer.last) { - if (!yaml_parser_update_raw_buffer(parser)) return 0; - } - first = 0; - - /* Decode the raw buffer. */ - - while (parser->raw_buffer.pointer != parser->raw_buffer.last) - { - unsigned int value = 0, value2 = 0; - int incomplete = 0; - unsigned char octet; - unsigned int width = 0; - int low, high; - size_t k; - size_t raw_unread = parser->raw_buffer.last - parser->raw_buffer.pointer; - - /* Decode the next character. */ - - switch (parser->encoding) - { - case YAML_UTF8_ENCODING: - - /* - * Decode a UTF-8 character. Check RFC 3629 - * (http://www.ietf.org/rfc/rfc3629.txt) for more details. - * - * The following table (taken from the RFC) is used for - * decoding. - * - * Char. number range | UTF-8 octet sequence - * (hexadecimal) | (binary) - * --------------------+------------------------------------ - * 0000 0000-0000 007F | 0xxxxxxx - * 0000 0080-0000 07FF | 110xxxxx 10xxxxxx - * 0000 0800-0000 FFFF | 1110xxxx 10xxxxxx 10xxxxxx - * 0001 0000-0010 FFFF | 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx - * - * Additionally, the characters in the range 0xD800-0xDFFF - * are prohibited as they are reserved for use with UTF-16 - * surrogate pairs. - */ - - /* Determine the length of the UTF-8 sequence. */ - - octet = parser->raw_buffer.pointer[0]; - width = (octet & 0x80) == 0x00 ? 1 : - (octet & 0xE0) == 0xC0 ? 2 : - (octet & 0xF0) == 0xE0 ? 3 : - (octet & 0xF8) == 0xF0 ? 4 : 0; - - /* Check if the leading octet is valid. */ - - if (!width) - return yaml_parser_set_reader_error(parser, - "invalid leading UTF-8 octet", - parser->offset, octet); - - /* Check if the raw buffer contains an incomplete character. */ - - if (width > raw_unread) { - if (parser->eof) { - return yaml_parser_set_reader_error(parser, - "incomplete UTF-8 octet sequence", - parser->offset, -1); - } - incomplete = 1; - break; - } - - /* Decode the leading octet. */ - - value = (octet & 0x80) == 0x00 ? octet & 0x7F : - (octet & 0xE0) == 0xC0 ? octet & 0x1F : - (octet & 0xF0) == 0xE0 ? octet & 0x0F : - (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0; - - /* Check and decode the trailing octets. */ - - for (k = 1; k < width; k ++) - { - octet = parser->raw_buffer.pointer[k]; - - /* Check if the octet is valid. */ - - if ((octet & 0xC0) != 0x80) - return yaml_parser_set_reader_error(parser, - "invalid trailing UTF-8 octet", - parser->offset+k, octet); - - /* Decode the octet. */ - - value = (value << 6) + (octet & 0x3F); - } - - /* Check the length of the sequence against the value. */ - - if (!((width == 1) || - (width == 2 && value >= 0x80) || - (width == 3 && value >= 0x800) || - (width == 4 && value >= 0x10000))) - return yaml_parser_set_reader_error(parser, - "invalid length of a UTF-8 sequence", - parser->offset, -1); - - /* Check the range of the value. */ - - if ((value >= 0xD800 && value <= 0xDFFF) || value > 0x10FFFF) - return yaml_parser_set_reader_error(parser, - "invalid Unicode character", - parser->offset, value); - - break; - - case YAML_UTF16LE_ENCODING: - case YAML_UTF16BE_ENCODING: - - low = (parser->encoding == YAML_UTF16LE_ENCODING ? 0 : 1); - high = (parser->encoding == YAML_UTF16LE_ENCODING ? 1 : 0); - - /* - * The UTF-16 encoding is not as simple as one might - * naively think. Check RFC 2781 - * (http://www.ietf.org/rfc/rfc2781.txt). - * - * Normally, two subsequent bytes describe a Unicode - * character. However a special technique (called a - * surrogate pair) is used for specifying character - * values larger than 0xFFFF. - * - * A surrogate pair consists of two pseudo-characters: - * high surrogate area (0xD800-0xDBFF) - * low surrogate area (0xDC00-0xDFFF) - * - * The following formulas are used for decoding - * and encoding characters using surrogate pairs: - * - * U = U' + 0x10000 (0x01 00 00 <= U <= 0x10 FF FF) - * U' = yyyyyyyyyyxxxxxxxxxx (0 <= U' <= 0x0F FF FF) - * W1 = 110110yyyyyyyyyy - * W2 = 110111xxxxxxxxxx - * - * where U is the character value, W1 is the high surrogate - * area, W2 is the low surrogate area. - */ - - /* Check for incomplete UTF-16 character. */ - - if (raw_unread < 2) { - if (parser->eof) { - return yaml_parser_set_reader_error(parser, - "incomplete UTF-16 character", - parser->offset, -1); - } - incomplete = 1; - break; - } - - /* Get the character. */ - - value = parser->raw_buffer.pointer[low] - + (parser->raw_buffer.pointer[high] << 8); - - /* Check for unexpected low surrogate area. */ - - if ((value & 0xFC00) == 0xDC00) - return yaml_parser_set_reader_error(parser, - "unexpected low surrogate area", - parser->offset, value); - - /* Check for a high surrogate area. */ - - if ((value & 0xFC00) == 0xD800) { - - width = 4; - - /* Check for incomplete surrogate pair. */ - - if (raw_unread < 4) { - if (parser->eof) { - return yaml_parser_set_reader_error(parser, - "incomplete UTF-16 surrogate pair", - parser->offset, -1); - } - incomplete = 1; - break; - } - - /* Get the next character. */ - - value2 = parser->raw_buffer.pointer[low+2] - + (parser->raw_buffer.pointer[high+2] << 8); - - /* Check for a low surrogate area. */ - - if ((value2 & 0xFC00) != 0xDC00) - return yaml_parser_set_reader_error(parser, - "expected low surrogate area", - parser->offset+2, value2); - - /* Generate the value of the surrogate pair. */ - - value = 0x10000 + ((value & 0x3FF) << 10) + (value2 & 0x3FF); - } - - else { - width = 2; - } - - break; - - default: - assert(1); /* Impossible. */ - } - - /* Check if the raw buffer contains enough bytes to form a character. */ - - if (incomplete) break; - - /* - * Check if the character is in the allowed range: - * #x9 | #xA | #xD | [#x20-#x7E] (8 bit) - * | #x85 | [#xA0-#xD7FF] | [#xE000-#xFFFD] (16 bit) - * | [#x10000-#x10FFFF] (32 bit) - */ - - if (! (value == 0x09 || value == 0x0A || value == 0x0D - || (value >= 0x20 && value <= 0x7E) - || (value == 0x85) || (value >= 0xA0 && value <= 0xD7FF) - || (value >= 0xE000 && value <= 0xFFFD) - || (value >= 0x10000 && value <= 0x10FFFF))) - return yaml_parser_set_reader_error(parser, - "control characters are not allowed", - parser->offset, value); - - /* Move the raw pointers. */ - - parser->raw_buffer.pointer += width; - parser->offset += width; - - /* Finally put the character into the buffer. */ - - /* 0000 0000-0000 007F -> 0xxxxxxx */ - if (value <= 0x7F) { - *(parser->buffer.last++) = value; - } - /* 0000 0080-0000 07FF -> 110xxxxx 10xxxxxx */ - else if (value <= 0x7FF) { - *(parser->buffer.last++) = 0xC0 + (value >> 6); - *(parser->buffer.last++) = 0x80 + (value & 0x3F); - } - /* 0000 0800-0000 FFFF -> 1110xxxx 10xxxxxx 10xxxxxx */ - else if (value <= 0xFFFF) { - *(parser->buffer.last++) = 0xE0 + (value >> 12); - *(parser->buffer.last++) = 0x80 + ((value >> 6) & 0x3F); - *(parser->buffer.last++) = 0x80 + (value & 0x3F); - } - /* 0001 0000-0010 FFFF -> 11110xxx 10xxxxxx 10xxxxxx 10xxxxxx */ - else { - *(parser->buffer.last++) = 0xF0 + (value >> 18); - *(parser->buffer.last++) = 0x80 + ((value >> 12) & 0x3F); - *(parser->buffer.last++) = 0x80 + ((value >> 6) & 0x3F); - *(parser->buffer.last++) = 0x80 + (value & 0x3F); - } - - parser->unread ++; - } - - /* On EOF, put NUL into the buffer and return. */ - - if (parser->eof) { - *(parser->buffer.last++) = '\0'; - parser->unread ++; - return 1; - } - - } - - if (parser->offset >= MAX_FILE_SIZE) { - return yaml_parser_set_reader_error(parser, "input is too long", - parser->offset, -1); - } - - return 1; -} diff --git a/ext/scanner.c b/ext/scanner.c deleted file mode 100644 index 1c3b500..0000000 --- a/ext/scanner.c +++ /dev/null @@ -1,3575 +0,0 @@ - -/* - * Introduction - * ************ - * - * The following notes assume that you are familiar with the YAML specification - * (http://yaml.org/spec/cvs/current.html). We mostly follow it, although in - * some cases we are less restrictive that it requires. - * - * The process of transforming a YAML stream into a sequence of events is - * divided on two steps: Scanning and Parsing. - * - * The Scanner transforms the input stream into a sequence of tokens, while the - * parser transform the sequence of tokens produced by the Scanner into a - * sequence of parsing events. - * - * The Scanner is rather clever and complicated. The Parser, on the contrary, - * is a straightforward implementation of a recursive-descendant parser (or, - * LL(1) parser, as it is usually called). - * - * Actually there are two issues of Scanning that might be called "clever", the - * rest is quite straightforward. The issues are "block collection start" and - * "simple keys". Both issues are explained below in details. - * - * Here the Scanning step is explained and implemented. We start with the list - * of all the tokens produced by the Scanner together with short descriptions. - * - * Now, tokens: - * - * STREAM-START(encoding) # The stream start. - * STREAM-END # The stream end. - * VERSION-DIRECTIVE(major,minor) # The '%YAML' directive. - * TAG-DIRECTIVE(handle,prefix) # The '%TAG' directive. - * DOCUMENT-START # '---' - * DOCUMENT-END # '...' - * BLOCK-SEQUENCE-START # Indentation increase denoting a block - * BLOCK-MAPPING-START # sequence or a block mapping. - * BLOCK-END # Indentation decrease. - * FLOW-SEQUENCE-START # '[' - * FLOW-SEQUENCE-END # ']' - * FLOW-MAPPING-START # '{' - * FLOW-MAPPING-END # '}' - * BLOCK-ENTRY # '-' - * FLOW-ENTRY # ',' - * KEY # '?' or nothing (simple keys). - * VALUE # ':' - * ALIAS(anchor) # '*anchor' - * ANCHOR(anchor) # '&anchor' - * TAG(handle,suffix) # '!handle!suffix' - * SCALAR(value,style) # A scalar. - * - * The following two tokens are "virtual" tokens denoting the beginning and the - * end of the stream: - * - * STREAM-START(encoding) - * STREAM-END - * - * We pass the information about the input stream encoding with the - * STREAM-START token. - * - * The next two tokens are responsible for tags: - * - * VERSION-DIRECTIVE(major,minor) - * TAG-DIRECTIVE(handle,prefix) - * - * Example: - * - * %YAML 1.1 - * %TAG ! !foo - * %TAG !yaml! tag:yaml.org,2002: - * --- - * - * The corresponding sequence of tokens: - * - * STREAM-START(utf-8) - * VERSION-DIRECTIVE(1,1) - * TAG-DIRECTIVE("!","!foo") - * TAG-DIRECTIVE("!yaml","tag:yaml.org,2002:") - * DOCUMENT-START - * STREAM-END - * - * Note that the VERSION-DIRECTIVE and TAG-DIRECTIVE tokens occupy a whole - * line. - * - * The document start and end indicators are represented by: - * - * DOCUMENT-START - * DOCUMENT-END - * - * Note that if a YAML stream contains an implicit document (without '---' - * and '...' indicators), no DOCUMENT-START and DOCUMENT-END tokens will be - * produced. - * - * In the following examples, we present whole documents together with the - * produced tokens. - * - * 1. An implicit document: - * - * 'a scalar' - * - * Tokens: - * - * STREAM-START(utf-8) - * SCALAR("a scalar",single-quoted) - * STREAM-END - * - * 2. An explicit document: - * - * --- - * 'a scalar' - * ... - * - * Tokens: - * - * STREAM-START(utf-8) - * DOCUMENT-START - * SCALAR("a scalar",single-quoted) - * DOCUMENT-END - * STREAM-END - * - * 3. Several documents in a stream: - * - * 'a scalar' - * --- - * 'another scalar' - * --- - * 'yet another scalar' - * - * Tokens: - * - * STREAM-START(utf-8) - * SCALAR("a scalar",single-quoted) - * DOCUMENT-START - * SCALAR("another scalar",single-quoted) - * DOCUMENT-START - * SCALAR("yet another scalar",single-quoted) - * STREAM-END - * - * We have already introduced the SCALAR token above. The following tokens are - * used to describe aliases, anchors, tag, and scalars: - * - * ALIAS(anchor) - * ANCHOR(anchor) - * TAG(handle,suffix) - * SCALAR(value,style) - * - * The following series of examples illustrate the usage of these tokens: - * - * 1. A recursive sequence: - * - * &A [ *A ] - * - * Tokens: - * - * STREAM-START(utf-8) - * ANCHOR("A") - * FLOW-SEQUENCE-START - * ALIAS("A") - * FLOW-SEQUENCE-END - * STREAM-END - * - * 2. A tagged scalar: - * - * !!float "3.14" # A good approximation. - * - * Tokens: - * - * STREAM-START(utf-8) - * TAG("!!","float") - * SCALAR("3.14",double-quoted) - * STREAM-END - * - * 3. Various scalar styles: - * - * --- # Implicit empty plain scalars do not produce tokens. - * --- a plain scalar - * --- 'a single-quoted scalar' - * --- "a double-quoted scalar" - * --- |- - * a literal scalar - * --- >- - * a folded - * scalar - * - * Tokens: - * - * STREAM-START(utf-8) - * DOCUMENT-START - * DOCUMENT-START - * SCALAR("a plain scalar",plain) - * DOCUMENT-START - * SCALAR("a single-quoted scalar",single-quoted) - * DOCUMENT-START - * SCALAR("a double-quoted scalar",double-quoted) - * DOCUMENT-START - * SCALAR("a literal scalar",literal) - * DOCUMENT-START - * SCALAR("a folded scalar",folded) - * STREAM-END - * - * Now it's time to review collection-related tokens. We will start with - * flow collections: - * - * FLOW-SEQUENCE-START - * FLOW-SEQUENCE-END - * FLOW-MAPPING-START - * FLOW-MAPPING-END - * FLOW-ENTRY - * KEY - * VALUE - * - * The tokens FLOW-SEQUENCE-START, FLOW-SEQUENCE-END, FLOW-MAPPING-START, and - * FLOW-MAPPING-END represent the indicators '[', ']', '{', and '}' - * correspondingly. FLOW-ENTRY represent the ',' indicator. Finally the - * indicators '?' and ':', which are used for denoting mapping keys and values, - * are represented by the KEY and VALUE tokens. - * - * The following examples show flow collections: - * - * 1. A flow sequence: - * - * [item 1, item 2, item 3] - * - * Tokens: - * - * STREAM-START(utf-8) - * FLOW-SEQUENCE-START - * SCALAR("item 1",plain) - * FLOW-ENTRY - * SCALAR("item 2",plain) - * FLOW-ENTRY - * SCALAR("item 3",plain) - * FLOW-SEQUENCE-END - * STREAM-END - * - * 2. A flow mapping: - * - * { - * a simple key: a value, # Note that the KEY token is produced. - * ? a complex key: another value, - * } - * - * Tokens: - * - * STREAM-START(utf-8) - * FLOW-MAPPING-START - * KEY - * SCALAR("a simple key",plain) - * VALUE - * SCALAR("a value",plain) - * FLOW-ENTRY - * KEY - * SCALAR("a complex key",plain) - * VALUE - * SCALAR("another value",plain) - * FLOW-ENTRY - * FLOW-MAPPING-END - * STREAM-END - * - * A simple key is a key which is not denoted by the '?' indicator. Note that - * the Scanner still produce the KEY token whenever it encounters a simple key. - * - * For scanning block collections, the following tokens are used (note that we - * repeat KEY and VALUE here): - * - * BLOCK-SEQUENCE-START - * BLOCK-MAPPING-START - * BLOCK-END - * BLOCK-ENTRY - * KEY - * VALUE - * - * The tokens BLOCK-SEQUENCE-START and BLOCK-MAPPING-START denote indentation - * increase that precedes a block collection (cf. the INDENT token in Python). - * The token BLOCK-END denote indentation decrease that ends a block collection - * (cf. the DEDENT token in Python). However YAML has some syntax pecularities - * that makes detections of these tokens more complex. - * - * The tokens BLOCK-ENTRY, KEY, and VALUE are used to represent the indicators - * '-', '?', and ':' correspondingly. - * - * The following examples show how the tokens BLOCK-SEQUENCE-START, - * BLOCK-MAPPING-START, and BLOCK-END are emitted by the Scanner: - * - * 1. Block sequences: - * - * - item 1 - * - item 2 - * - - * - item 3.1 - * - item 3.2 - * - - * key 1: value 1 - * key 2: value 2 - * - * Tokens: - * - * STREAM-START(utf-8) - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * SCALAR("item 1",plain) - * BLOCK-ENTRY - * SCALAR("item 2",plain) - * BLOCK-ENTRY - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * SCALAR("item 3.1",plain) - * BLOCK-ENTRY - * SCALAR("item 3.2",plain) - * BLOCK-END - * BLOCK-ENTRY - * BLOCK-MAPPING-START - * KEY - * SCALAR("key 1",plain) - * VALUE - * SCALAR("value 1",plain) - * KEY - * SCALAR("key 2",plain) - * VALUE - * SCALAR("value 2",plain) - * BLOCK-END - * BLOCK-END - * STREAM-END - * - * 2. Block mappings: - * - * a simple key: a value # The KEY token is produced here. - * ? a complex key - * : another value - * a mapping: - * key 1: value 1 - * key 2: value 2 - * a sequence: - * - item 1 - * - item 2 - * - * Tokens: - * - * STREAM-START(utf-8) - * BLOCK-MAPPING-START - * KEY - * SCALAR("a simple key",plain) - * VALUE - * SCALAR("a value",plain) - * KEY - * SCALAR("a complex key",plain) - * VALUE - * SCALAR("another value",plain) - * KEY - * SCALAR("a mapping",plain) - * BLOCK-MAPPING-START - * KEY - * SCALAR("key 1",plain) - * VALUE - * SCALAR("value 1",plain) - * KEY - * SCALAR("key 2",plain) - * VALUE - * SCALAR("value 2",plain) - * BLOCK-END - * KEY - * SCALAR("a sequence",plain) - * VALUE - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * SCALAR("item 1",plain) - * BLOCK-ENTRY - * SCALAR("item 2",plain) - * BLOCK-END - * BLOCK-END - * STREAM-END - * - * YAML does not always require to start a new block collection from a new - * line. If the current line contains only '-', '?', and ':' indicators, a new - * block collection may start at the current line. The following examples - * illustrate this case: - * - * 1. Collections in a sequence: - * - * - - item 1 - * - item 2 - * - key 1: value 1 - * key 2: value 2 - * - ? complex key - * : complex value - * - * Tokens: - * - * STREAM-START(utf-8) - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * SCALAR("item 1",plain) - * BLOCK-ENTRY - * SCALAR("item 2",plain) - * BLOCK-END - * BLOCK-ENTRY - * BLOCK-MAPPING-START - * KEY - * SCALAR("key 1",plain) - * VALUE - * SCALAR("value 1",plain) - * KEY - * SCALAR("key 2",plain) - * VALUE - * SCALAR("value 2",plain) - * BLOCK-END - * BLOCK-ENTRY - * BLOCK-MAPPING-START - * KEY - * SCALAR("complex key") - * VALUE - * SCALAR("complex value") - * BLOCK-END - * BLOCK-END - * STREAM-END - * - * 2. Collections in a mapping: - * - * ? a sequence - * : - item 1 - * - item 2 - * ? a mapping - * : key 1: value 1 - * key 2: value 2 - * - * Tokens: - * - * STREAM-START(utf-8) - * BLOCK-MAPPING-START - * KEY - * SCALAR("a sequence",plain) - * VALUE - * BLOCK-SEQUENCE-START - * BLOCK-ENTRY - * SCALAR("item 1",plain) - * BLOCK-ENTRY - * SCALAR("item 2",plain) - * BLOCK-END - * KEY - * SCALAR("a mapping",plain) - * VALUE - * BLOCK-MAPPING-START - * KEY - * SCALAR("key 1",plain) - * VALUE - * SCALAR("value 1",plain) - * KEY - * SCALAR("key 2",plain) - * VALUE - * SCALAR("value 2",plain) - * BLOCK-END - * BLOCK-END - * STREAM-END - * - * YAML also permits non-indented sequences if they are included into a block - * mapping. In this case, the token BLOCK-SEQUENCE-START is not produced: - * - * key: - * - item 1 # BLOCK-SEQUENCE-START is NOT produced here. - * - item 2 - * - * Tokens: - * - * STREAM-START(utf-8) - * BLOCK-MAPPING-START - * KEY - * SCALAR("key",plain) - * VALUE - * BLOCK-ENTRY - * SCALAR("item 1",plain) - * BLOCK-ENTRY - * SCALAR("item 2",plain) - * BLOCK-END - */ - -#include "yaml_private.h" - -/* - * Ensure that the buffer contains the required number of characters. - * Return 1 on success, 0 on failure (reader error or memory error). - */ - -#define CACHE(parser,length) \ - (parser->unread >= (length) \ - ? 1 \ - : yaml_parser_update_buffer(parser, (length))) - -/* - * Advance the buffer pointer. - */ - -#define SKIP(parser) \ - (parser->mark.index ++, \ - parser->mark.column ++, \ - parser->unread --, \ - parser->buffer.pointer += WIDTH(parser->buffer)) - -#define SKIP_LINE(parser) \ - (IS_CRLF(parser->buffer) ? \ - (parser->mark.index += 2, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread -= 2, \ - parser->buffer.pointer += 2) : \ - IS_BREAK(parser->buffer) ? \ - (parser->mark.index ++, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread --, \ - parser->buffer.pointer += WIDTH(parser->buffer)) : 0) - -/* - * Copy a character to a string buffer and advance pointers. - */ - -#define READ(parser,string) \ - (STRING_EXTEND(parser,string) ? \ - (COPY(string,parser->buffer), \ - parser->mark.index ++, \ - parser->mark.column ++, \ - parser->unread --, \ - 1) : 0) - -/* - * Copy a line break character to a string buffer and advance pointers. - */ - -#define READ_LINE(parser,string) \ - (STRING_EXTEND(parser,string) ? \ - (((CHECK_AT(parser->buffer,'\r',0) \ - && CHECK_AT(parser->buffer,'\n',1)) ? /* CR LF -> LF */ \ - (*((string).pointer++) = (yaml_char_t) '\n', \ - parser->buffer.pointer += 2, \ - parser->mark.index += 2, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread -= 2) : \ - (CHECK_AT(parser->buffer,'\r',0) \ - || CHECK_AT(parser->buffer,'\n',0)) ? /* CR|LF -> LF */ \ - (*((string).pointer++) = (yaml_char_t) '\n', \ - parser->buffer.pointer ++, \ - parser->mark.index ++, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread --) : \ - (CHECK_AT(parser->buffer,'\xC2',0) \ - && CHECK_AT(parser->buffer,'\x85',1)) ? /* NEL -> LF */ \ - (*((string).pointer++) = (yaml_char_t) '\n', \ - parser->buffer.pointer += 2, \ - parser->mark.index ++, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread --) : \ - (CHECK_AT(parser->buffer,'\xE2',0) && \ - CHECK_AT(parser->buffer,'\x80',1) && \ - (CHECK_AT(parser->buffer,'\xA8',2) || \ - CHECK_AT(parser->buffer,'\xA9',2))) ? /* LS|PS -> LS|PS */ \ - (*((string).pointer++) = *(parser->buffer.pointer++), \ - *((string).pointer++) = *(parser->buffer.pointer++), \ - *((string).pointer++) = *(parser->buffer.pointer++), \ - parser->mark.index ++, \ - parser->mark.column = 0, \ - parser->mark.line ++, \ - parser->unread --) : 0), \ - 1) : 0) - -/* - * Public API declarations. - */ - -YAML_DECLARE(int) -yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token); - -/* - * Error handling. - */ - -static int -yaml_parser_set_scanner_error(yaml_parser_t *parser, const char *context, - yaml_mark_t context_mark, const char *problem); - -/* - * High-level token API. - */ - -YAML_DECLARE(int) -yaml_parser_fetch_more_tokens(yaml_parser_t *parser); - -static int -yaml_parser_fetch_next_token(yaml_parser_t *parser); - -/* - * Potential simple keys. - */ - -static int -yaml_parser_stale_simple_keys(yaml_parser_t *parser); - -static int -yaml_parser_save_simple_key(yaml_parser_t *parser); - -static int -yaml_parser_remove_simple_key(yaml_parser_t *parser); - -static int -yaml_parser_increase_flow_level(yaml_parser_t *parser); - -static int -yaml_parser_decrease_flow_level(yaml_parser_t *parser); - -/* - * Indentation treatment. - */ - -static int -yaml_parser_roll_indent(yaml_parser_t *parser, ptrdiff_t column, - ptrdiff_t number, yaml_token_type_t type, yaml_mark_t mark); - -static int -yaml_parser_unroll_indent(yaml_parser_t *parser, ptrdiff_t column); - -/* - * Token fetchers. - */ - -static int -yaml_parser_fetch_stream_start(yaml_parser_t *parser); - -static int -yaml_parser_fetch_stream_end(yaml_parser_t *parser); - -static int -yaml_parser_fetch_directive(yaml_parser_t *parser); - -static int -yaml_parser_fetch_document_indicator(yaml_parser_t *parser, - yaml_token_type_t type); - -static int -yaml_parser_fetch_flow_collection_start(yaml_parser_t *parser, - yaml_token_type_t type); - -static int -yaml_parser_fetch_flow_collection_end(yaml_parser_t *parser, - yaml_token_type_t type); - -static int -yaml_parser_fetch_flow_entry(yaml_parser_t *parser); - -static int -yaml_parser_fetch_block_entry(yaml_parser_t *parser); - -static int -yaml_parser_fetch_key(yaml_parser_t *parser); - -static int -yaml_parser_fetch_value(yaml_parser_t *parser); - -static int -yaml_parser_fetch_anchor(yaml_parser_t *parser, yaml_token_type_t type); - -static int -yaml_parser_fetch_tag(yaml_parser_t *parser); - -static int -yaml_parser_fetch_block_scalar(yaml_parser_t *parser, int literal); - -static int -yaml_parser_fetch_flow_scalar(yaml_parser_t *parser, int single); - -static int -yaml_parser_fetch_plain_scalar(yaml_parser_t *parser); - -/* - * Token scanners. - */ - -static int -yaml_parser_scan_to_next_token(yaml_parser_t *parser); - -static int -yaml_parser_scan_directive(yaml_parser_t *parser, yaml_token_t *token); - -static int -yaml_parser_scan_directive_name(yaml_parser_t *parser, - yaml_mark_t start_mark, yaml_char_t **name); - -static int -yaml_parser_scan_version_directive_value(yaml_parser_t *parser, - yaml_mark_t start_mark, int *major, int *minor); - -static int -yaml_parser_scan_version_directive_number(yaml_parser_t *parser, - yaml_mark_t start_mark, int *number); - -static int -yaml_parser_scan_tag_directive_value(yaml_parser_t *parser, - yaml_mark_t mark, yaml_char_t **handle, yaml_char_t **prefix); - -static int -yaml_parser_scan_anchor(yaml_parser_t *parser, yaml_token_t *token, - yaml_token_type_t type); - -static int -yaml_parser_scan_tag(yaml_parser_t *parser, yaml_token_t *token); - -static int -yaml_parser_scan_tag_handle(yaml_parser_t *parser, int directive, - yaml_mark_t start_mark, yaml_char_t **handle); - -static int -yaml_parser_scan_tag_uri(yaml_parser_t *parser, int directive, - yaml_char_t *head, yaml_mark_t start_mark, yaml_char_t **uri); - -static int -yaml_parser_scan_uri_escapes(yaml_parser_t *parser, int directive, - yaml_mark_t start_mark, yaml_string_t *string); - -static int -yaml_parser_scan_block_scalar(yaml_parser_t *parser, yaml_token_t *token, - int literal); - -static int -yaml_parser_scan_block_scalar_breaks(yaml_parser_t *parser, - int *indent, yaml_string_t *breaks, - yaml_mark_t start_mark, yaml_mark_t *end_mark); - -static int -yaml_parser_scan_flow_scalar(yaml_parser_t *parser, yaml_token_t *token, - int single); - -static int -yaml_parser_scan_plain_scalar(yaml_parser_t *parser, yaml_token_t *token); - -/* - * Get the next token. - */ - -YAML_DECLARE(int) -yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token) -{ - assert(parser); /* Non-NULL parser object is expected. */ - assert(token); /* Non-NULL token object is expected. */ - - /* Erase the token object. */ - - memset(token, 0, sizeof(yaml_token_t)); - - /* No tokens after STREAM-END or error. */ - - if (parser->stream_end_produced || parser->error) { - return 1; - } - - /* Ensure that the tokens queue contains enough tokens. */ - - if (!parser->token_available) { - if (!yaml_parser_fetch_more_tokens(parser)) - return 0; - } - - /* Fetch the next token from the queue. */ - - *token = DEQUEUE(parser, parser->tokens); - parser->token_available = 0; - parser->tokens_parsed ++; - - if (token->type == YAML_STREAM_END_TOKEN) { - parser->stream_end_produced = 1; - } - - return 1; -} - -/* - * Set the scanner error and return 0. - */ - -static int -yaml_parser_set_scanner_error(yaml_parser_t *parser, const char *context, - yaml_mark_t context_mark, const char *problem) -{ - parser->error = YAML_SCANNER_ERROR; - parser->context = context; - parser->context_mark = context_mark; - parser->problem = problem; - parser->problem_mark = parser->mark; - - return 0; -} - -/* - * Ensure that the tokens queue contains at least one token which can be - * returned to the Parser. - */ - -YAML_DECLARE(int) -yaml_parser_fetch_more_tokens(yaml_parser_t *parser) -{ - int need_more_tokens; - - /* While we need more tokens to fetch, do it. */ - - while (1) - { - /* - * Check if we really need to fetch more tokens. - */ - - need_more_tokens = 0; - - if (parser->tokens.head == parser->tokens.tail) - { - /* Queue is empty. */ - - need_more_tokens = 1; - } - else - { - yaml_simple_key_t *simple_key; - - /* Check if any potential simple key may occupy the head position. */ - - if (!yaml_parser_stale_simple_keys(parser)) - return 0; - - for (simple_key = parser->simple_keys.start; - simple_key != parser->simple_keys.top; simple_key++) { - if (simple_key->possible - && simple_key->token_number == parser->tokens_parsed) { - need_more_tokens = 1; - break; - } - } - } - - /* We are finished. */ - - if (!need_more_tokens) - break; - - /* Fetch the next token. */ - - if (!yaml_parser_fetch_next_token(parser)) - return 0; - } - - parser->token_available = 1; - - return 1; -} - -/* - * The dispatcher for token fetchers. - */ - -static int -yaml_parser_fetch_next_token(yaml_parser_t *parser) -{ - /* Ensure that the buffer is initialized. */ - - if (!CACHE(parser, 1)) - return 0; - - /* Check if we just started scanning. Fetch STREAM-START then. */ - - if (!parser->stream_start_produced) - return yaml_parser_fetch_stream_start(parser); - - /* Eat whitespaces and comments until we reach the next token. */ - - if (!yaml_parser_scan_to_next_token(parser)) - return 0; - - /* Remove obsolete potential simple keys. */ - - if (!yaml_parser_stale_simple_keys(parser)) - return 0; - - /* Check the indentation level against the current column. */ - - if (!yaml_parser_unroll_indent(parser, parser->mark.column)) - return 0; - - /* - * Ensure that the buffer contains at least 4 characters. 4 is the length - * of the longest indicators ('--- ' and '... '). - */ - - if (!CACHE(parser, 4)) - return 0; - - /* Is it the end of the stream? */ - - if (IS_Z(parser->buffer)) - return yaml_parser_fetch_stream_end(parser); - - /* Is it a directive? */ - - if (parser->mark.column == 0 && CHECK(parser->buffer, '%')) - return yaml_parser_fetch_directive(parser); - - /* Is it the document start indicator? */ - - if (parser->mark.column == 0 - && CHECK_AT(parser->buffer, '-', 0) - && CHECK_AT(parser->buffer, '-', 1) - && CHECK_AT(parser->buffer, '-', 2) - && IS_BLANKZ_AT(parser->buffer, 3)) - return yaml_parser_fetch_document_indicator(parser, - YAML_DOCUMENT_START_TOKEN); - - /* Is it the document end indicator? */ - - if (parser->mark.column == 0 - && CHECK_AT(parser->buffer, '.', 0) - && CHECK_AT(parser->buffer, '.', 1) - && CHECK_AT(parser->buffer, '.', 2) - && IS_BLANKZ_AT(parser->buffer, 3)) - return yaml_parser_fetch_document_indicator(parser, - YAML_DOCUMENT_END_TOKEN); - - /* Is it the flow sequence start indicator? */ - - if (CHECK(parser->buffer, '[')) - return yaml_parser_fetch_flow_collection_start(parser, - YAML_FLOW_SEQUENCE_START_TOKEN); - - /* Is it the flow mapping start indicator? */ - - if (CHECK(parser->buffer, '{')) - return yaml_parser_fetch_flow_collection_start(parser, - YAML_FLOW_MAPPING_START_TOKEN); - - /* Is it the flow sequence end indicator? */ - - if (CHECK(parser->buffer, ']')) - return yaml_parser_fetch_flow_collection_end(parser, - YAML_FLOW_SEQUENCE_END_TOKEN); - - /* Is it the flow mapping end indicator? */ - - if (CHECK(parser->buffer, '}')) - return yaml_parser_fetch_flow_collection_end(parser, - YAML_FLOW_MAPPING_END_TOKEN); - - /* Is it the flow entry indicator? */ - - if (CHECK(parser->buffer, ',')) - return yaml_parser_fetch_flow_entry(parser); - - /* Is it the block entry indicator? */ - - if (CHECK(parser->buffer, '-') && IS_BLANKZ_AT(parser->buffer, 1)) - return yaml_parser_fetch_block_entry(parser); - - /* Is it the key indicator? */ - - if (CHECK(parser->buffer, '?') - && (parser->flow_level || IS_BLANKZ_AT(parser->buffer, 1))) - return yaml_parser_fetch_key(parser); - - /* Is it the value indicator? */ - - if (CHECK(parser->buffer, ':') - && (parser->flow_level || IS_BLANKZ_AT(parser->buffer, 1))) - return yaml_parser_fetch_value(parser); - - /* Is it an alias? */ - - if (CHECK(parser->buffer, '*')) - return yaml_parser_fetch_anchor(parser, YAML_ALIAS_TOKEN); - - /* Is it an anchor? */ - - if (CHECK(parser->buffer, '&')) - return yaml_parser_fetch_anchor(parser, YAML_ANCHOR_TOKEN); - - /* Is it a tag? */ - - if (CHECK(parser->buffer, '!')) - return yaml_parser_fetch_tag(parser); - - /* Is it a literal scalar? */ - - if (CHECK(parser->buffer, '|') && !parser->flow_level) - return yaml_parser_fetch_block_scalar(parser, 1); - - /* Is it a folded scalar? */ - - if (CHECK(parser->buffer, '>') && !parser->flow_level) - return yaml_parser_fetch_block_scalar(parser, 0); - - /* Is it a single-quoted scalar? */ - - if (CHECK(parser->buffer, '\'')) - return yaml_parser_fetch_flow_scalar(parser, 1); - - /* Is it a double-quoted scalar? */ - - if (CHECK(parser->buffer, '"')) - return yaml_parser_fetch_flow_scalar(parser, 0); - - /* - * Is it a plain scalar? - * - * A plain scalar may start with any non-blank characters except - * - * '-', '?', ':', ',', '[', ']', '{', '}', - * '#', '&', '*', '!', '|', '>', '\'', '\"', - * '%', '@', '`'. - * - * In the block context (and, for the '-' indicator, in the flow context - * too), it may also start with the characters - * - * '-', '?', ':' - * - * if it is followed by a non-space character. - * - * The last rule is more restrictive than the specification requires. - */ - - if (!(IS_BLANKZ(parser->buffer) || CHECK(parser->buffer, '-') - || CHECK(parser->buffer, '?') || CHECK(parser->buffer, ':') - || CHECK(parser->buffer, ',') || CHECK(parser->buffer, '[') - || CHECK(parser->buffer, ']') || CHECK(parser->buffer, '{') - || CHECK(parser->buffer, '}') || CHECK(parser->buffer, '#') - || CHECK(parser->buffer, '&') || CHECK(parser->buffer, '*') - || CHECK(parser->buffer, '!') || CHECK(parser->buffer, '|') - || CHECK(parser->buffer, '>') || CHECK(parser->buffer, '\'') - || CHECK(parser->buffer, '"') || CHECK(parser->buffer, '%') - || CHECK(parser->buffer, '@') || CHECK(parser->buffer, '`')) || - (CHECK(parser->buffer, '-') && !IS_BLANK_AT(parser->buffer, 1)) || - (!parser->flow_level && - (CHECK(parser->buffer, '?') || CHECK(parser->buffer, ':')) - && !IS_BLANKZ_AT(parser->buffer, 1))) - return yaml_parser_fetch_plain_scalar(parser); - - /* - * If we don't determine the token type so far, it is an error. - */ - - return yaml_parser_set_scanner_error(parser, - "while scanning for the next token", parser->mark, - "found character that cannot start any token"); -} - -/* - * Check the list of potential simple keys and remove the positions that - * cannot contain simple keys anymore. - */ - -static int -yaml_parser_stale_simple_keys(yaml_parser_t *parser) -{ - yaml_simple_key_t *simple_key; - - /* Check for a potential simple key for each flow level. */ - - for (simple_key = parser->simple_keys.start; - simple_key != parser->simple_keys.top; simple_key ++) - { - /* - * The specification requires that a simple key - * - * - is limited to a single line, - * - is shorter than 1024 characters. - */ - - if (simple_key->possible - && (simple_key->mark.line < parser->mark.line - || simple_key->mark.index+1024 < parser->mark.index)) { - - /* Check if the potential simple key to be removed is required. */ - - if (simple_key->required) { - return yaml_parser_set_scanner_error(parser, - "while scanning a simple key", simple_key->mark, - "could not find expected ':'"); - } - - simple_key->possible = 0; - } - } - - return 1; -} - -/* - * Check if a simple key may start at the current position and add it if - * needed. - */ - -static int -yaml_parser_save_simple_key(yaml_parser_t *parser) -{ - /* - * A simple key is required at the current position if the scanner is in - * the block context and the current column coincides with the indentation - * level. - */ - - int required = (!parser->flow_level - && parser->indent == (ptrdiff_t)parser->mark.column); - - /* - * If the current position may start a simple key, save it. - */ - - if (parser->simple_key_allowed) - { - yaml_simple_key_t simple_key; - simple_key.possible = 1; - simple_key.required = required; - simple_key.token_number = - parser->tokens_parsed + (parser->tokens.tail - parser->tokens.head); - simple_key.mark = parser->mark; - - if (!yaml_parser_remove_simple_key(parser)) return 0; - - *(parser->simple_keys.top-1) = simple_key; - } - - return 1; -} - -/* - * Remove a potential simple key at the current flow level. - */ - -static int -yaml_parser_remove_simple_key(yaml_parser_t *parser) -{ - yaml_simple_key_t *simple_key = parser->simple_keys.top-1; - - if (simple_key->possible) - { - /* If the key is required, it is an error. */ - - if (simple_key->required) { - return yaml_parser_set_scanner_error(parser, - "while scanning a simple key", simple_key->mark, - "could not find expected ':'"); - } - } - - /* Remove the key from the stack. */ - - simple_key->possible = 0; - - return 1; -} - -/* - * Increase the flow level and resize the simple key list if needed. - */ - -static int -yaml_parser_increase_flow_level(yaml_parser_t *parser) -{ - yaml_simple_key_t empty_simple_key = { 0, 0, 0, { 0, 0, 0 } }; - - /* Reset the simple key on the next level. */ - - if (!PUSH(parser, parser->simple_keys, empty_simple_key)) - return 0; - - /* Increase the flow level. */ - - if (parser->flow_level == INT_MAX) { - parser->error = YAML_MEMORY_ERROR; - return 0; - } - - parser->flow_level++; - - return 1; -} - -/* - * Decrease the flow level. - */ - -static int -yaml_parser_decrease_flow_level(yaml_parser_t *parser) -{ - yaml_simple_key_t dummy_key; /* Used to eliminate a compiler warning. */ - - if (parser->flow_level) { - parser->flow_level --; - dummy_key = POP(parser, parser->simple_keys); - } - - return 1; -} - -/* - * Push the current indentation level to the stack and set the new level - * the current column is greater than the indentation level. In this case, - * append or insert the specified token into the token queue. - * - */ - -static int -yaml_parser_roll_indent(yaml_parser_t *parser, ptrdiff_t column, - ptrdiff_t number, yaml_token_type_t type, yaml_mark_t mark) -{ - yaml_token_t token; - - /* In the flow context, do nothing. */ - - if (parser->flow_level) - return 1; - - if (parser->indent < column) - { - /* - * Push the current indentation level to the stack and set the new - * indentation level. - */ - - if (!PUSH(parser, parser->indents, parser->indent)) - return 0; - - if (column > INT_MAX) { - parser->error = YAML_MEMORY_ERROR; - return 0; - } - - parser->indent = column; - - /* Create a token and insert it into the queue. */ - - TOKEN_INIT(token, type, mark, mark); - - if (number == -1) { - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - } - else { - if (!QUEUE_INSERT(parser, - parser->tokens, number - parser->tokens_parsed, token)) - return 0; - } - } - - return 1; -} - -/* - * Pop indentation levels from the indents stack until the current level - * becomes less or equal to the column. For each indentation level, append - * the BLOCK-END token. - */ - - -static int -yaml_parser_unroll_indent(yaml_parser_t *parser, ptrdiff_t column) -{ - yaml_token_t token; - - /* In the flow context, do nothing. */ - - if (parser->flow_level) - return 1; - - /* Loop through the indentation levels in the stack. */ - - while (parser->indent > column) - { - /* Create a token and append it to the queue. */ - - TOKEN_INIT(token, YAML_BLOCK_END_TOKEN, parser->mark, parser->mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - /* Pop the indentation level. */ - - parser->indent = POP(parser, parser->indents); - } - - return 1; -} - -/* - * Initialize the scanner and produce the STREAM-START token. - */ - -static int -yaml_parser_fetch_stream_start(yaml_parser_t *parser) -{ - yaml_simple_key_t simple_key = { 0, 0, 0, { 0, 0, 0 } }; - yaml_token_t token; - - /* Set the initial indentation. */ - - parser->indent = -1; - - /* Initialize the simple key stack. */ - - if (!PUSH(parser, parser->simple_keys, simple_key)) - return 0; - - /* A simple key is allowed at the beginning of the stream. */ - - parser->simple_key_allowed = 1; - - /* We have started. */ - - parser->stream_start_produced = 1; - - /* Create the STREAM-START token and append it to the queue. */ - - STREAM_START_TOKEN_INIT(token, parser->encoding, - parser->mark, parser->mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the STREAM-END token and shut down the scanner. - */ - -static int -yaml_parser_fetch_stream_end(yaml_parser_t *parser) -{ - yaml_token_t token; - - /* Force new line. */ - - if (parser->mark.column != 0) { - parser->mark.column = 0; - parser->mark.line ++; - } - - /* Reset the indentation level. */ - - if (!yaml_parser_unroll_indent(parser, -1)) - return 0; - - /* Reset simple keys. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - parser->simple_key_allowed = 0; - - /* Create the STREAM-END token and append it to the queue. */ - - STREAM_END_TOKEN_INIT(token, parser->mark, parser->mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce a VERSION-DIRECTIVE or TAG-DIRECTIVE token. - */ - -static int -yaml_parser_fetch_directive(yaml_parser_t *parser) -{ - yaml_token_t token; - - /* Reset the indentation level. */ - - if (!yaml_parser_unroll_indent(parser, -1)) - return 0; - - /* Reset simple keys. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - parser->simple_key_allowed = 0; - - /* Create the YAML-DIRECTIVE or TAG-DIRECTIVE token. */ - - if (!yaml_parser_scan_directive(parser, &token)) - return 0; - - /* Append the token to the queue. */ - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - - return 1; -} - -/* - * Produce the DOCUMENT-START or DOCUMENT-END token. - */ - -static int -yaml_parser_fetch_document_indicator(yaml_parser_t *parser, - yaml_token_type_t type) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* Reset the indentation level. */ - - if (!yaml_parser_unroll_indent(parser, -1)) - return 0; - - /* Reset simple keys. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - parser->simple_key_allowed = 0; - - /* Consume the token. */ - - start_mark = parser->mark; - - SKIP(parser); - SKIP(parser); - SKIP(parser); - - end_mark = parser->mark; - - /* Create the DOCUMENT-START or DOCUMENT-END token. */ - - TOKEN_INIT(token, type, start_mark, end_mark); - - /* Append the token to the queue. */ - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the FLOW-SEQUENCE-START or FLOW-MAPPING-START token. - */ - -static int -yaml_parser_fetch_flow_collection_start(yaml_parser_t *parser, - yaml_token_type_t type) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* The indicators '[' and '{' may start a simple key. */ - - if (!yaml_parser_save_simple_key(parser)) - return 0; - - /* Increase the flow level. */ - - if (!yaml_parser_increase_flow_level(parser)) - return 0; - - /* A simple key may follow the indicators '[' and '{'. */ - - parser->simple_key_allowed = 1; - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the FLOW-SEQUENCE-START of FLOW-MAPPING-START token. */ - - TOKEN_INIT(token, type, start_mark, end_mark); - - /* Append the token to the queue. */ - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the FLOW-SEQUENCE-END or FLOW-MAPPING-END token. - */ - -static int -yaml_parser_fetch_flow_collection_end(yaml_parser_t *parser, - yaml_token_type_t type) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* Reset any potential simple key on the current flow level. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - /* Decrease the flow level. */ - - if (!yaml_parser_decrease_flow_level(parser)) - return 0; - - /* No simple keys after the indicators ']' and '}'. */ - - parser->simple_key_allowed = 0; - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the FLOW-SEQUENCE-END of FLOW-MAPPING-END token. */ - - TOKEN_INIT(token, type, start_mark, end_mark); - - /* Append the token to the queue. */ - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the FLOW-ENTRY token. - */ - -static int -yaml_parser_fetch_flow_entry(yaml_parser_t *parser) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* Reset any potential simple keys on the current flow level. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - /* Simple keys are allowed after ','. */ - - parser->simple_key_allowed = 1; - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the FLOW-ENTRY token and append it to the queue. */ - - TOKEN_INIT(token, YAML_FLOW_ENTRY_TOKEN, start_mark, end_mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the BLOCK-ENTRY token. - */ - -static int -yaml_parser_fetch_block_entry(yaml_parser_t *parser) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* Check if the scanner is in the block context. */ - - if (!parser->flow_level) - { - /* Check if we are allowed to start a new entry. */ - - if (!parser->simple_key_allowed) { - return yaml_parser_set_scanner_error(parser, NULL, parser->mark, - "block sequence entries are not allowed in this context"); - } - - /* Add the BLOCK-SEQUENCE-START token if needed. */ - - if (!yaml_parser_roll_indent(parser, parser->mark.column, -1, - YAML_BLOCK_SEQUENCE_START_TOKEN, parser->mark)) - return 0; - } - else - { - /* - * It is an error for the '-' indicator to occur in the flow context, - * but we let the Parser detect and report about it because the Parser - * is able to point to the context. - */ - } - - /* Reset any potential simple keys on the current flow level. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - /* Simple keys are allowed after '-'. */ - - parser->simple_key_allowed = 1; - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the BLOCK-ENTRY token and append it to the queue. */ - - TOKEN_INIT(token, YAML_BLOCK_ENTRY_TOKEN, start_mark, end_mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the KEY token. - */ - -static int -yaml_parser_fetch_key(yaml_parser_t *parser) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - - /* In the block context, additional checks are required. */ - - if (!parser->flow_level) - { - /* Check if we are allowed to start a new key (not necessary simple). */ - - if (!parser->simple_key_allowed) { - return yaml_parser_set_scanner_error(parser, NULL, parser->mark, - "mapping keys are not allowed in this context"); - } - - /* Add the BLOCK-MAPPING-START token if needed. */ - - if (!yaml_parser_roll_indent(parser, parser->mark.column, -1, - YAML_BLOCK_MAPPING_START_TOKEN, parser->mark)) - return 0; - } - - /* Reset any potential simple keys on the current flow level. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - /* Simple keys are allowed after '?' in the block context. */ - - parser->simple_key_allowed = (!parser->flow_level); - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the KEY token and append it to the queue. */ - - TOKEN_INIT(token, YAML_KEY_TOKEN, start_mark, end_mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the VALUE token. - */ - -static int -yaml_parser_fetch_value(yaml_parser_t *parser) -{ - yaml_mark_t start_mark, end_mark; - yaml_token_t token; - yaml_simple_key_t *simple_key = parser->simple_keys.top-1; - - /* Have we found a simple key? */ - - if (simple_key->possible) - { - - /* Create the KEY token and insert it into the queue. */ - - TOKEN_INIT(token, YAML_KEY_TOKEN, simple_key->mark, simple_key->mark); - - if (!QUEUE_INSERT(parser, parser->tokens, - simple_key->token_number - parser->tokens_parsed, token)) - return 0; - - /* In the block context, we may need to add the BLOCK-MAPPING-START token. */ - - if (!yaml_parser_roll_indent(parser, simple_key->mark.column, - simple_key->token_number, - YAML_BLOCK_MAPPING_START_TOKEN, simple_key->mark)) - return 0; - - /* Remove the simple key. */ - - simple_key->possible = 0; - - /* A simple key cannot follow another simple key. */ - - parser->simple_key_allowed = 0; - } - else - { - /* The ':' indicator follows a complex key. */ - - /* In the block context, extra checks are required. */ - - if (!parser->flow_level) - { - /* Check if we are allowed to start a complex value. */ - - if (!parser->simple_key_allowed) { - return yaml_parser_set_scanner_error(parser, NULL, parser->mark, - "mapping values are not allowed in this context"); - } - - /* Add the BLOCK-MAPPING-START token if needed. */ - - if (!yaml_parser_roll_indent(parser, parser->mark.column, -1, - YAML_BLOCK_MAPPING_START_TOKEN, parser->mark)) - return 0; - } - - /* Simple keys after ':' are allowed in the block context. */ - - parser->simple_key_allowed = (!parser->flow_level); - } - - /* Consume the token. */ - - start_mark = parser->mark; - SKIP(parser); - end_mark = parser->mark; - - /* Create the VALUE token and append it to the queue. */ - - TOKEN_INIT(token, YAML_VALUE_TOKEN, start_mark, end_mark); - - if (!ENQUEUE(parser, parser->tokens, token)) - return 0; - - return 1; -} - -/* - * Produce the ALIAS or ANCHOR token. - */ - -static int -yaml_parser_fetch_anchor(yaml_parser_t *parser, yaml_token_type_t type) -{ - yaml_token_t token; - - /* An anchor or an alias could be a simple key. */ - - if (!yaml_parser_save_simple_key(parser)) - return 0; - - /* A simple key cannot follow an anchor or an alias. */ - - parser->simple_key_allowed = 0; - - /* Create the ALIAS or ANCHOR token and append it to the queue. */ - - if (!yaml_parser_scan_anchor(parser, &token, type)) - return 0; - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - return 1; -} - -/* - * Produce the TAG token. - */ - -static int -yaml_parser_fetch_tag(yaml_parser_t *parser) -{ - yaml_token_t token; - - /* A tag could be a simple key. */ - - if (!yaml_parser_save_simple_key(parser)) - return 0; - - /* A simple key cannot follow a tag. */ - - parser->simple_key_allowed = 0; - - /* Create the TAG token and append it to the queue. */ - - if (!yaml_parser_scan_tag(parser, &token)) - return 0; - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - - return 1; -} - -/* - * Produce the SCALAR(...,literal) or SCALAR(...,folded) tokens. - */ - -static int -yaml_parser_fetch_block_scalar(yaml_parser_t *parser, int literal) -{ - yaml_token_t token; - - /* Remove any potential simple keys. */ - - if (!yaml_parser_remove_simple_key(parser)) - return 0; - - /* A simple key may follow a block scalar. */ - - parser->simple_key_allowed = 1; - - /* Create the SCALAR token and append it to the queue. */ - - if (!yaml_parser_scan_block_scalar(parser, &token, literal)) - return 0; - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - - return 1; -} - -/* - * Produce the SCALAR(...,single-quoted) or SCALAR(...,double-quoted) tokens. - */ - -static int -yaml_parser_fetch_flow_scalar(yaml_parser_t *parser, int single) -{ - yaml_token_t token; - - /* A plain scalar could be a simple key. */ - - if (!yaml_parser_save_simple_key(parser)) - return 0; - - /* A simple key cannot follow a flow scalar. */ - - parser->simple_key_allowed = 0; - - /* Create the SCALAR token and append it to the queue. */ - - if (!yaml_parser_scan_flow_scalar(parser, &token, single)) - return 0; - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - - return 1; -} - -/* - * Produce the SCALAR(...,plain) token. - */ - -static int -yaml_parser_fetch_plain_scalar(yaml_parser_t *parser) -{ - yaml_token_t token; - - /* A plain scalar could be a simple key. */ - - if (!yaml_parser_save_simple_key(parser)) - return 0; - - /* A simple key cannot follow a flow scalar. */ - - parser->simple_key_allowed = 0; - - /* Create the SCALAR token and append it to the queue. */ - - if (!yaml_parser_scan_plain_scalar(parser, &token)) - return 0; - - if (!ENQUEUE(parser, parser->tokens, token)) { - yaml_token_delete(&token); - return 0; - } - - return 1; -} - -/* - * Eat whitespaces and comments until the next token is found. - */ - -static int -yaml_parser_scan_to_next_token(yaml_parser_t *parser) -{ - /* Until the next token is not found. */ - - while (1) - { - /* Allow the BOM mark to start a line. */ - - if (!CACHE(parser, 1)) return 0; - - if (parser->mark.column == 0 && IS_BOM(parser->buffer)) - SKIP(parser); - - /* - * Eat whitespaces. - * - * Tabs are allowed: - * - * - in the flow context; - * - in the block context, but not at the beginning of the line or - * after '-', '?', or ':' (complex value). - */ - - if (!CACHE(parser, 1)) return 0; - - while (CHECK(parser->buffer,' ') || - ((parser->flow_level || !parser->simple_key_allowed) && - CHECK(parser->buffer, '\t'))) { - SKIP(parser); - if (!CACHE(parser, 1)) return 0; - } - - /* Eat a comment until a line break. */ - - if (CHECK(parser->buffer, '#')) { - while (!IS_BREAKZ(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) return 0; - } - } - - /* If it is a line break, eat it. */ - - if (IS_BREAK(parser->buffer)) - { - if (!CACHE(parser, 2)) return 0; - SKIP_LINE(parser); - - /* In the block context, a new line may start a simple key. */ - - if (!parser->flow_level) { - parser->simple_key_allowed = 1; - } - } - else - { - /* We have found a token. */ - - break; - } - } - - return 1; -} - -/* - * Scan a YAML-DIRECTIVE or TAG-DIRECTIVE token. - * - * Scope: - * %YAML 1.1 # a comment \n - * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - * %TAG !yaml! tag:yaml.org,2002: \n - * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - */ - -int -yaml_parser_scan_directive(yaml_parser_t *parser, yaml_token_t *token) -{ - yaml_mark_t start_mark, end_mark; - yaml_char_t *name = NULL; - int major, minor; - yaml_char_t *handle = NULL, *prefix = NULL; - - /* Eat '%'. */ - - start_mark = parser->mark; - - SKIP(parser); - - /* Scan the directive name. */ - - if (!yaml_parser_scan_directive_name(parser, start_mark, &name)) - goto error; - - /* Is it a YAML directive? */ - - if (strcmp((char *)name, "YAML") == 0) - { - /* Scan the VERSION directive value. */ - - if (!yaml_parser_scan_version_directive_value(parser, start_mark, - &major, &minor)) - goto error; - - end_mark = parser->mark; - - /* Create a VERSION-DIRECTIVE token. */ - - VERSION_DIRECTIVE_TOKEN_INIT(*token, major, minor, - start_mark, end_mark); - } - - /* Is it a TAG directive? */ - - else if (strcmp((char *)name, "TAG") == 0) - { - /* Scan the TAG directive value. */ - - if (!yaml_parser_scan_tag_directive_value(parser, start_mark, - &handle, &prefix)) - goto error; - - end_mark = parser->mark; - - /* Create a TAG-DIRECTIVE token. */ - - TAG_DIRECTIVE_TOKEN_INIT(*token, handle, prefix, - start_mark, end_mark); - } - - /* Unknown directive. */ - - else - { - yaml_parser_set_scanner_error(parser, "while scanning a directive", - start_mark, "found unknown directive name"); - goto error; - } - - /* Eat the rest of the line including any comments. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_BLANK(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - - if (CHECK(parser->buffer, '#')) { - while (!IS_BREAKZ(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - } - - /* Check if we are at the end of the line. */ - - if (!IS_BREAKZ(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a directive", - start_mark, "did not find expected comment or line break"); - goto error; - } - - /* Eat a line break. */ - - if (IS_BREAK(parser->buffer)) { - if (!CACHE(parser, 2)) goto error; - SKIP_LINE(parser); - } - - yaml_free(name); - - return 1; - -error: - yaml_free(prefix); - yaml_free(handle); - yaml_free(name); - return 0; -} - -/* - * Scan the directive name. - * - * Scope: - * %YAML 1.1 # a comment \n - * ^^^^ - * %TAG !yaml! tag:yaml.org,2002: \n - * ^^^ - */ - -static int -yaml_parser_scan_directive_name(yaml_parser_t *parser, - yaml_mark_t start_mark, yaml_char_t **name) -{ - yaml_string_t string = NULL_STRING; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - - /* Consume the directive name. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_ALPHA(parser->buffer)) - { - if (!READ(parser, string)) goto error; - if (!CACHE(parser, 1)) goto error; - } - - /* Check if the name is empty. */ - - if (string.start == string.pointer) { - yaml_parser_set_scanner_error(parser, "while scanning a directive", - start_mark, "could not find expected directive name"); - goto error; - } - - /* Check for an blank character after the name. */ - - if (!IS_BLANKZ(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a directive", - start_mark, "found unexpected non-alphabetical character"); - goto error; - } - - *name = string.start; - - return 1; - -error: - STRING_DEL(parser, string); - return 0; -} - -/* - * Scan the value of VERSION-DIRECTIVE. - * - * Scope: - * %YAML 1.1 # a comment \n - * ^^^^^^ - */ - -static int -yaml_parser_scan_version_directive_value(yaml_parser_t *parser, - yaml_mark_t start_mark, int *major, int *minor) -{ - /* Eat whitespaces. */ - - if (!CACHE(parser, 1)) return 0; - - while (IS_BLANK(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) return 0; - } - - /* Consume the major version number. */ - - if (!yaml_parser_scan_version_directive_number(parser, start_mark, major)) - return 0; - - /* Eat '.'. */ - - if (!CHECK(parser->buffer, '.')) { - return yaml_parser_set_scanner_error(parser, "while scanning a %YAML directive", - start_mark, "did not find expected digit or '.' character"); - } - - SKIP(parser); - - /* Consume the minor version number. */ - - if (!yaml_parser_scan_version_directive_number(parser, start_mark, minor)) - return 0; - - return 1; -} - -#define MAX_NUMBER_LENGTH 9 - -/* - * Scan the version number of VERSION-DIRECTIVE. - * - * Scope: - * %YAML 1.1 # a comment \n - * ^ - * %YAML 1.1 # a comment \n - * ^ - */ - -static int -yaml_parser_scan_version_directive_number(yaml_parser_t *parser, - yaml_mark_t start_mark, int *number) -{ - int value = 0; - size_t length = 0; - - /* Repeat while the next character is digit. */ - - if (!CACHE(parser, 1)) return 0; - - while (IS_DIGIT(parser->buffer)) - { - /* Check if the number is too long. */ - - if (++length > MAX_NUMBER_LENGTH) { - return yaml_parser_set_scanner_error(parser, "while scanning a %YAML directive", - start_mark, "found extremely long version number"); - } - - value = value*10 + AS_DIGIT(parser->buffer); - - SKIP(parser); - - if (!CACHE(parser, 1)) return 0; - } - - /* Check if the number was present. */ - - if (!length) { - return yaml_parser_set_scanner_error(parser, "while scanning a %YAML directive", - start_mark, "did not find expected version number"); - } - - *number = value; - - return 1; -} - -/* - * Scan the value of a TAG-DIRECTIVE token. - * - * Scope: - * %TAG !yaml! tag:yaml.org,2002: \n - * ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ - */ - -static int -yaml_parser_scan_tag_directive_value(yaml_parser_t *parser, - yaml_mark_t start_mark, yaml_char_t **handle, yaml_char_t **prefix) -{ - yaml_char_t *handle_value = NULL; - yaml_char_t *prefix_value = NULL; - - /* Eat whitespaces. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_BLANK(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - - /* Scan a handle. */ - - if (!yaml_parser_scan_tag_handle(parser, 1, start_mark, &handle_value)) - goto error; - - /* Expect a whitespace. */ - - if (!CACHE(parser, 1)) goto error; - - if (!IS_BLANK(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a %TAG directive", - start_mark, "did not find expected whitespace"); - goto error; - } - - /* Eat whitespaces. */ - - while (IS_BLANK(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - - /* Scan a prefix. */ - - if (!yaml_parser_scan_tag_uri(parser, 1, NULL, start_mark, &prefix_value)) - goto error; - - /* Expect a whitespace or line break. */ - - if (!CACHE(parser, 1)) goto error; - - if (!IS_BLANKZ(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a %TAG directive", - start_mark, "did not find expected whitespace or line break"); - goto error; - } - - *handle = handle_value; - *prefix = prefix_value; - - return 1; - -error: - yaml_free(handle_value); - yaml_free(prefix_value); - return 0; -} - -static int -yaml_parser_scan_anchor(yaml_parser_t *parser, yaml_token_t *token, - yaml_token_type_t type) -{ - int length = 0; - yaml_mark_t start_mark, end_mark; - yaml_string_t string = NULL_STRING; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - - /* Eat the indicator character. */ - - start_mark = parser->mark; - - SKIP(parser); - - /* Consume the value. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_ALPHA(parser->buffer)) { - if (!READ(parser, string)) goto error; - if (!CACHE(parser, 1)) goto error; - length ++; - } - - end_mark = parser->mark; - - /* - * Check if length of the anchor is greater than 0 and it is followed by - * a whitespace character or one of the indicators: - * - * '?', ':', ',', ']', '}', '%', '@', '`'. - */ - - if (!length || !(IS_BLANKZ(parser->buffer) || CHECK(parser->buffer, '?') - || CHECK(parser->buffer, ':') || CHECK(parser->buffer, ',') - || CHECK(parser->buffer, ']') || CHECK(parser->buffer, '}') - || CHECK(parser->buffer, '%') || CHECK(parser->buffer, '@') - || CHECK(parser->buffer, '`'))) { - yaml_parser_set_scanner_error(parser, type == YAML_ANCHOR_TOKEN ? - "while scanning an anchor" : "while scanning an alias", start_mark, - "did not find expected alphabetic or numeric character"); - goto error; - } - - /* Create a token. */ - - if (type == YAML_ANCHOR_TOKEN) { - ANCHOR_TOKEN_INIT(*token, string.start, start_mark, end_mark); - } - else { - ALIAS_TOKEN_INIT(*token, string.start, start_mark, end_mark); - } - - return 1; - -error: - STRING_DEL(parser, string); - return 0; -} - -/* - * Scan a TAG token. - */ - -static int -yaml_parser_scan_tag(yaml_parser_t *parser, yaml_token_t *token) -{ - yaml_char_t *handle = NULL; - yaml_char_t *suffix = NULL; - yaml_mark_t start_mark, end_mark; - - start_mark = parser->mark; - - /* Check if the tag is in the canonical form. */ - - if (!CACHE(parser, 2)) goto error; - - if (CHECK_AT(parser->buffer, '<', 1)) - { - /* Set the handle to '' */ - - handle = YAML_MALLOC(1); - if (!handle) goto error; - handle[0] = '\0'; - - /* Eat '!<' */ - - SKIP(parser); - SKIP(parser); - - /* Consume the tag value. */ - - if (!yaml_parser_scan_tag_uri(parser, 0, NULL, start_mark, &suffix)) - goto error; - - /* Check for '>' and eat it. */ - - if (!CHECK(parser->buffer, '>')) { - yaml_parser_set_scanner_error(parser, "while scanning a tag", - start_mark, "did not find the expected '>'"); - goto error; - } - - SKIP(parser); - } - else - { - /* The tag has either the '!suffix' or the '!handle!suffix' form. */ - - /* First, try to scan a handle. */ - - if (!yaml_parser_scan_tag_handle(parser, 0, start_mark, &handle)) - goto error; - - /* Check if it is, indeed, handle. */ - - if (handle[0] == '!' && handle[1] != '\0' && handle[strlen((char *)handle)-1] == '!') - { - /* Scan the suffix now. */ - - if (!yaml_parser_scan_tag_uri(parser, 0, NULL, start_mark, &suffix)) - goto error; - } - else - { - /* It wasn't a handle after all. Scan the rest of the tag. */ - - if (!yaml_parser_scan_tag_uri(parser, 0, handle, start_mark, &suffix)) - goto error; - - /* Set the handle to '!'. */ - - yaml_free(handle); - handle = YAML_MALLOC(2); - if (!handle) goto error; - handle[0] = '!'; - handle[1] = '\0'; - - /* - * A special case: the '!' tag. Set the handle to '' and the - * suffix to '!'. - */ - - if (suffix[0] == '\0') { - yaml_char_t *tmp = handle; - handle = suffix; - suffix = tmp; - } - } - } - - /* Check the character which ends the tag. */ - - if (!CACHE(parser, 1)) goto error; - - if (!IS_BLANKZ(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a tag", - start_mark, "did not find expected whitespace or line break"); - goto error; - } - - end_mark = parser->mark; - - /* Create a token. */ - - TAG_TOKEN_INIT(*token, handle, suffix, start_mark, end_mark); - - return 1; - -error: - yaml_free(handle); - yaml_free(suffix); - return 0; -} - -/* - * Scan a tag handle. - */ - -static int -yaml_parser_scan_tag_handle(yaml_parser_t *parser, int directive, - yaml_mark_t start_mark, yaml_char_t **handle) -{ - yaml_string_t string = NULL_STRING; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - - /* Check the initial '!' character. */ - - if (!CACHE(parser, 1)) goto error; - - if (!CHECK(parser->buffer, '!')) { - yaml_parser_set_scanner_error(parser, directive ? - "while scanning a tag directive" : "while scanning a tag", - start_mark, "did not find expected '!'"); - goto error; - } - - /* Copy the '!' character. */ - - if (!READ(parser, string)) goto error; - - /* Copy all subsequent alphabetical and numerical characters. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_ALPHA(parser->buffer)) - { - if (!READ(parser, string)) goto error; - if (!CACHE(parser, 1)) goto error; - } - - /* Check if the trailing character is '!' and copy it. */ - - if (CHECK(parser->buffer, '!')) - { - if (!READ(parser, string)) goto error; - } - else - { - /* - * It's either the '!' tag or not really a tag handle. If it's a %TAG - * directive, it's an error. If it's a tag token, it must be a part of - * URI. - */ - - if (directive && !(string.start[0] == '!' && string.start[1] == '\0')) { - yaml_parser_set_scanner_error(parser, "while parsing a tag directive", - start_mark, "did not find expected '!'"); - goto error; - } - } - - *handle = string.start; - - return 1; - -error: - STRING_DEL(parser, string); - return 0; -} - -/* - * Scan a tag. - */ - -static int -yaml_parser_scan_tag_uri(yaml_parser_t *parser, int directive, - yaml_char_t *head, yaml_mark_t start_mark, yaml_char_t **uri) -{ - size_t length = head ? strlen((char *)head) : 0; - yaml_string_t string = NULL_STRING; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - - /* Resize the string to include the head. */ - - while ((size_t)(string.end - string.start) <= length) { - if (!yaml_string_extend(&string.start, &string.pointer, &string.end)) { - parser->error = YAML_MEMORY_ERROR; - goto error; - } - } - - /* - * Copy the head if needed. - * - * Note that we don't copy the leading '!' character. - */ - - if (length > 1) { - memcpy(string.start, head+1, length-1); - string.pointer += length-1; - } - - /* Scan the tag. */ - - if (!CACHE(parser, 1)) goto error; - - /* - * The set of characters that may appear in URI is as follows: - * - * '0'-'9', 'A'-'Z', 'a'-'z', '_', '-', ';', '/', '?', ':', '@', '&', - * '=', '+', '$', ',', '.', '!', '~', '*', '\'', '(', ')', '[', ']', - * '%'. - */ - - while (IS_ALPHA(parser->buffer) || CHECK(parser->buffer, ';') - || CHECK(parser->buffer, '/') || CHECK(parser->buffer, '?') - || CHECK(parser->buffer, ':') || CHECK(parser->buffer, '@') - || CHECK(parser->buffer, '&') || CHECK(parser->buffer, '=') - || CHECK(parser->buffer, '+') || CHECK(parser->buffer, '$') - || CHECK(parser->buffer, ',') || CHECK(parser->buffer, '.') - || CHECK(parser->buffer, '!') || CHECK(parser->buffer, '~') - || CHECK(parser->buffer, '*') || CHECK(parser->buffer, '\'') - || CHECK(parser->buffer, '(') || CHECK(parser->buffer, ')') - || CHECK(parser->buffer, '[') || CHECK(parser->buffer, ']') - || CHECK(parser->buffer, '%')) - { - /* Check if it is a URI-escape sequence. */ - - if (CHECK(parser->buffer, '%')) { - if (!STRING_EXTEND(parser, string)) - goto error; - - if (!yaml_parser_scan_uri_escapes(parser, - directive, start_mark, &string)) goto error; - } - else { - if (!READ(parser, string)) goto error; - } - - length ++; - if (!CACHE(parser, 1)) goto error; - } - - /* Check if the tag is non-empty. */ - - if (!length) { - if (!STRING_EXTEND(parser, string)) - goto error; - - yaml_parser_set_scanner_error(parser, directive ? - "while parsing a %TAG directive" : "while parsing a tag", - start_mark, "did not find expected tag URI"); - goto error; - } - - *uri = string.start; - - return 1; - -error: - STRING_DEL(parser, string); - return 0; -} - -/* - * Decode an URI-escape sequence corresponding to a single UTF-8 character. - */ - -static int -yaml_parser_scan_uri_escapes(yaml_parser_t *parser, int directive, - yaml_mark_t start_mark, yaml_string_t *string) -{ - int width = 0; - - /* Decode the required number of characters. */ - - do { - - unsigned char octet = 0; - - /* Check for a URI-escaped octet. */ - - if (!CACHE(parser, 3)) return 0; - - if (!(CHECK(parser->buffer, '%') - && IS_HEX_AT(parser->buffer, 1) - && IS_HEX_AT(parser->buffer, 2))) { - return yaml_parser_set_scanner_error(parser, directive ? - "while parsing a %TAG directive" : "while parsing a tag", - start_mark, "did not find URI escaped octet"); - } - - /* Get the octet. */ - - octet = (AS_HEX_AT(parser->buffer, 1) << 4) + AS_HEX_AT(parser->buffer, 2); - - /* If it is the leading octet, determine the length of the UTF-8 sequence. */ - - if (!width) - { - width = (octet & 0x80) == 0x00 ? 1 : - (octet & 0xE0) == 0xC0 ? 2 : - (octet & 0xF0) == 0xE0 ? 3 : - (octet & 0xF8) == 0xF0 ? 4 : 0; - if (!width) { - return yaml_parser_set_scanner_error(parser, directive ? - "while parsing a %TAG directive" : "while parsing a tag", - start_mark, "found an incorrect leading UTF-8 octet"); - } - } - else - { - /* Check if the trailing octet is correct. */ - - if ((octet & 0xC0) != 0x80) { - return yaml_parser_set_scanner_error(parser, directive ? - "while parsing a %TAG directive" : "while parsing a tag", - start_mark, "found an incorrect trailing UTF-8 octet"); - } - } - - /* Copy the octet and move the pointers. */ - - *(string->pointer++) = octet; - SKIP(parser); - SKIP(parser); - SKIP(parser); - - } while (--width); - - return 1; -} - -/* - * Scan a block scalar. - */ - -static int -yaml_parser_scan_block_scalar(yaml_parser_t *parser, yaml_token_t *token, - int literal) -{ - yaml_mark_t start_mark; - yaml_mark_t end_mark; - yaml_string_t string = NULL_STRING; - yaml_string_t leading_break = NULL_STRING; - yaml_string_t trailing_breaks = NULL_STRING; - int chomping = 0; - int increment = 0; - int indent = 0; - int leading_blank = 0; - int trailing_blank = 0; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, leading_break, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, trailing_breaks, INITIAL_STRING_SIZE)) goto error; - - /* Eat the indicator '|' or '>'. */ - - start_mark = parser->mark; - - SKIP(parser); - - /* Scan the additional block scalar indicators. */ - - if (!CACHE(parser, 1)) goto error; - - /* Check for a chomping indicator. */ - - if (CHECK(parser->buffer, '+') || CHECK(parser->buffer, '-')) - { - /* Set the chomping method and eat the indicator. */ - - chomping = CHECK(parser->buffer, '+') ? +1 : -1; - - SKIP(parser); - - /* Check for an indentation indicator. */ - - if (!CACHE(parser, 1)) goto error; - - if (IS_DIGIT(parser->buffer)) - { - /* Check that the indentation is greater than 0. */ - - if (CHECK(parser->buffer, '0')) { - yaml_parser_set_scanner_error(parser, "while scanning a block scalar", - start_mark, "found an indentation indicator equal to 0"); - goto error; - } - - /* Get the indentation level and eat the indicator. */ - - increment = AS_DIGIT(parser->buffer); - - SKIP(parser); - } - } - - /* Do the same as above, but in the opposite order. */ - - else if (IS_DIGIT(parser->buffer)) - { - if (CHECK(parser->buffer, '0')) { - yaml_parser_set_scanner_error(parser, "while scanning a block scalar", - start_mark, "found an indentation indicator equal to 0"); - goto error; - } - - increment = AS_DIGIT(parser->buffer); - - SKIP(parser); - - if (!CACHE(parser, 1)) goto error; - - if (CHECK(parser->buffer, '+') || CHECK(parser->buffer, '-')) { - chomping = CHECK(parser->buffer, '+') ? +1 : -1; - - SKIP(parser); - } - } - - /* Eat whitespaces and comments to the end of the line. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_BLANK(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - - if (CHECK(parser->buffer, '#')) { - while (!IS_BREAKZ(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) goto error; - } - } - - /* Check if we are at the end of the line. */ - - if (!IS_BREAKZ(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a block scalar", - start_mark, "did not find expected comment or line break"); - goto error; - } - - /* Eat a line break. */ - - if (IS_BREAK(parser->buffer)) { - if (!CACHE(parser, 2)) goto error; - SKIP_LINE(parser); - } - - end_mark = parser->mark; - - /* Set the indentation level if it was specified. */ - - if (increment) { - indent = parser->indent >= 0 ? parser->indent+increment : increment; - } - - /* Scan the leading line breaks and determine the indentation level if needed. */ - - if (!yaml_parser_scan_block_scalar_breaks(parser, &indent, &trailing_breaks, - start_mark, &end_mark)) goto error; - - /* Scan the block scalar content. */ - - if (!CACHE(parser, 1)) goto error; - - while ((int)parser->mark.column == indent && !IS_Z(parser->buffer)) - { - /* - * We are at the beginning of a non-empty line. - */ - - /* Is it a trailing whitespace? */ - - trailing_blank = IS_BLANK(parser->buffer); - - /* Check if we need to fold the leading line break. */ - - if (!literal && (*leading_break.start == '\n') - && !leading_blank && !trailing_blank) - { - /* Do we need to join the lines by space? */ - - if (*trailing_breaks.start == '\0') { - if (!STRING_EXTEND(parser, string)) goto error; - *(string.pointer ++) = ' '; - } - - CLEAR(parser, leading_break); - } - else { - if (!JOIN(parser, string, leading_break)) goto error; - CLEAR(parser, leading_break); - } - - /* Append the remaining line breaks. */ - - if (!JOIN(parser, string, trailing_breaks)) goto error; - CLEAR(parser, trailing_breaks); - - /* Is it a leading whitespace? */ - - leading_blank = IS_BLANK(parser->buffer); - - /* Consume the current line. */ - - while (!IS_BREAKZ(parser->buffer)) { - if (!READ(parser, string)) goto error; - if (!CACHE(parser, 1)) goto error; - } - - /* Consume the line break. */ - - if (!CACHE(parser, 2)) goto error; - - if (!READ_LINE(parser, leading_break)) goto error; - - /* Eat the following indentation spaces and line breaks. */ - - if (!yaml_parser_scan_block_scalar_breaks(parser, - &indent, &trailing_breaks, start_mark, &end_mark)) goto error; - } - - /* Chomp the tail. */ - - if (chomping != -1) { - if (!JOIN(parser, string, leading_break)) goto error; - } - if (chomping == 1) { - if (!JOIN(parser, string, trailing_breaks)) goto error; - } - - /* Create a token. */ - - SCALAR_TOKEN_INIT(*token, string.start, string.pointer-string.start, - literal ? YAML_LITERAL_SCALAR_STYLE : YAML_FOLDED_SCALAR_STYLE, - start_mark, end_mark); - - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - - return 1; - -error: - STRING_DEL(parser, string); - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - - return 0; -} - -/* - * Scan indentation spaces and line breaks for a block scalar. Determine the - * indentation level if needed. - */ - -static int -yaml_parser_scan_block_scalar_breaks(yaml_parser_t *parser, - int *indent, yaml_string_t *breaks, - yaml_mark_t start_mark, yaml_mark_t *end_mark) -{ - int max_indent = 0; - - *end_mark = parser->mark; - - /* Eat the indentation spaces and line breaks. */ - - while (1) - { - /* Eat the indentation spaces. */ - - if (!CACHE(parser, 1)) return 0; - - while ((!*indent || (int)parser->mark.column < *indent) - && IS_SPACE(parser->buffer)) { - SKIP(parser); - if (!CACHE(parser, 1)) return 0; - } - - if ((int)parser->mark.column > max_indent) - max_indent = (int)parser->mark.column; - - /* Check for a tab character messing the indentation. */ - - if ((!*indent || (int)parser->mark.column < *indent) - && IS_TAB(parser->buffer)) { - return yaml_parser_set_scanner_error(parser, "while scanning a block scalar", - start_mark, "found a tab character where an indentation space is expected"); - } - - /* Have we found a non-empty line? */ - - if (!IS_BREAK(parser->buffer)) break; - - /* Consume the line break. */ - - if (!CACHE(parser, 2)) return 0; - if (!READ_LINE(parser, *breaks)) return 0; - *end_mark = parser->mark; - } - - /* Determine the indentation level if needed. */ - - if (!*indent) { - *indent = max_indent; - if (*indent < parser->indent + 1) - *indent = parser->indent + 1; - if (*indent < 1) - *indent = 1; - } - - return 1; -} - -/* - * Scan a quoted scalar. - */ - -static int -yaml_parser_scan_flow_scalar(yaml_parser_t *parser, yaml_token_t *token, - int single) -{ - yaml_mark_t start_mark; - yaml_mark_t end_mark; - yaml_string_t string = NULL_STRING; - yaml_string_t leading_break = NULL_STRING; - yaml_string_t trailing_breaks = NULL_STRING; - yaml_string_t whitespaces = NULL_STRING; - int leading_blanks; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, leading_break, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, trailing_breaks, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, whitespaces, INITIAL_STRING_SIZE)) goto error; - - /* Eat the left quote. */ - - start_mark = parser->mark; - - SKIP(parser); - - /* Consume the content of the quoted scalar. */ - - while (1) - { - /* Check that there are no document indicators at the beginning of the line. */ - - if (!CACHE(parser, 4)) goto error; - - if (parser->mark.column == 0 && - ((CHECK_AT(parser->buffer, '-', 0) && - CHECK_AT(parser->buffer, '-', 1) && - CHECK_AT(parser->buffer, '-', 2)) || - (CHECK_AT(parser->buffer, '.', 0) && - CHECK_AT(parser->buffer, '.', 1) && - CHECK_AT(parser->buffer, '.', 2))) && - IS_BLANKZ_AT(parser->buffer, 3)) - { - yaml_parser_set_scanner_error(parser, "while scanning a quoted scalar", - start_mark, "found unexpected document indicator"); - goto error; - } - - /* Check for EOF. */ - - if (IS_Z(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a quoted scalar", - start_mark, "found unexpected end of stream"); - goto error; - } - - /* Consume non-blank characters. */ - - if (!CACHE(parser, 2)) goto error; - - leading_blanks = 0; - - while (!IS_BLANKZ(parser->buffer)) - { - /* Check for an escaped single quote. */ - - if (single && CHECK_AT(parser->buffer, '\'', 0) - && CHECK_AT(parser->buffer, '\'', 1)) - { - if (!STRING_EXTEND(parser, string)) goto error; - *(string.pointer++) = '\''; - SKIP(parser); - SKIP(parser); - } - - /* Check for the right quote. */ - - else if (CHECK(parser->buffer, single ? '\'' : '"')) - { - break; - } - - /* Check for an escaped line break. */ - - else if (!single && CHECK(parser->buffer, '\\') - && IS_BREAK_AT(parser->buffer, 1)) - { - if (!CACHE(parser, 3)) goto error; - SKIP(parser); - SKIP_LINE(parser); - leading_blanks = 1; - break; - } - - /* Check for an escape sequence. */ - - else if (!single && CHECK(parser->buffer, '\\')) - { - size_t code_length = 0; - - if (!STRING_EXTEND(parser, string)) goto error; - - /* Check the escape character. */ - - switch (parser->buffer.pointer[1]) - { - case '0': - *(string.pointer++) = '\0'; - break; - - case 'a': - *(string.pointer++) = '\x07'; - break; - - case 'b': - *(string.pointer++) = '\x08'; - break; - - case 't': - case '\t': - *(string.pointer++) = '\x09'; - break; - - case 'n': - *(string.pointer++) = '\x0A'; - break; - - case 'v': - *(string.pointer++) = '\x0B'; - break; - - case 'f': - *(string.pointer++) = '\x0C'; - break; - - case 'r': - *(string.pointer++) = '\x0D'; - break; - - case 'e': - *(string.pointer++) = '\x1B'; - break; - - case ' ': - *(string.pointer++) = '\x20'; - break; - - case '"': - *(string.pointer++) = '"'; - break; - - case '\\': - *(string.pointer++) = '\\'; - break; - - case 'N': /* NEL (#x85) */ - *(string.pointer++) = '\xC2'; - *(string.pointer++) = '\x85'; - break; - - case '_': /* #xA0 */ - *(string.pointer++) = '\xC2'; - *(string.pointer++) = '\xA0'; - break; - - case 'L': /* LS (#x2028) */ - *(string.pointer++) = '\xE2'; - *(string.pointer++) = '\x80'; - *(string.pointer++) = '\xA8'; - break; - - case 'P': /* PS (#x2029) */ - *(string.pointer++) = '\xE2'; - *(string.pointer++) = '\x80'; - *(string.pointer++) = '\xA9'; - break; - - case 'x': - code_length = 2; - break; - - case 'u': - code_length = 4; - break; - - case 'U': - code_length = 8; - break; - - case '/': - *(string.pointer++) = '/'; /* JSON -> YAML 1.2 */ - break; - - default: - yaml_parser_set_scanner_error(parser, "while parsing a quoted scalar", - start_mark, "found unknown escape character"); - goto error; - } - - SKIP(parser); - SKIP(parser); - - /* Consume an arbitrary escape code. */ - - if (code_length) - { - unsigned int value = 0; - size_t k; - - /* Scan the character value. */ - - if (!CACHE(parser, code_length)) goto error; - - for (k = 0; k < code_length; k ++) { - if (!IS_HEX_AT(parser->buffer, k)) { - yaml_parser_set_scanner_error(parser, "while parsing a quoted scalar", - start_mark, "did not find expected hexdecimal number"); - goto error; - } - value = (value << 4) + AS_HEX_AT(parser->buffer, k); - } - - /* Check the value and write the character. */ - - if ((value >= 0xD800 && value <= 0xDFFF) || value > 0x10FFFF) { - yaml_parser_set_scanner_error(parser, "while parsing a quoted scalar", - start_mark, "found invalid Unicode character escape code"); - goto error; - } - - if (value <= 0x7F) { - *(string.pointer++) = value; - } - else if (value <= 0x7FF) { - *(string.pointer++) = 0xC0 + (value >> 6); - *(string.pointer++) = 0x80 + (value & 0x3F); - } - else if (value <= 0xFFFF) { - *(string.pointer++) = 0xE0 + (value >> 12); - *(string.pointer++) = 0x80 + ((value >> 6) & 0x3F); - *(string.pointer++) = 0x80 + (value & 0x3F); - } - else { - *(string.pointer++) = 0xF0 + (value >> 18); - *(string.pointer++) = 0x80 + ((value >> 12) & 0x3F); - *(string.pointer++) = 0x80 + ((value >> 6) & 0x3F); - *(string.pointer++) = 0x80 + (value & 0x3F); - } - - /* Advance the pointer. */ - - for (k = 0; k < code_length; k ++) { - SKIP(parser); - } - } - } - - else - { - /* It is a non-escaped non-blank character. */ - - if (!READ(parser, string)) goto error; - } - - if (!CACHE(parser, 2)) goto error; - } - - /* Check if we are at the end of the scalar. */ - - if (CHECK(parser->buffer, single ? '\'' : '"')) - break; - - /* Consume blank characters. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_BLANK(parser->buffer) || IS_BREAK(parser->buffer)) - { - if (IS_BLANK(parser->buffer)) - { - /* Consume a space or a tab character. */ - - if (!leading_blanks) { - if (!READ(parser, whitespaces)) goto error; - } - else { - SKIP(parser); - } - } - else - { - if (!CACHE(parser, 2)) goto error; - - /* Check if it is a first line break. */ - - if (!leading_blanks) - { - CLEAR(parser, whitespaces); - if (!READ_LINE(parser, leading_break)) goto error; - leading_blanks = 1; - } - else - { - if (!READ_LINE(parser, trailing_breaks)) goto error; - } - } - if (!CACHE(parser, 1)) goto error; - } - - /* Join the whitespaces or fold line breaks. */ - - if (leading_blanks) - { - /* Do we need to fold line breaks? */ - - if (leading_break.start[0] == '\n') { - if (trailing_breaks.start[0] == '\0') { - if (!STRING_EXTEND(parser, string)) goto error; - *(string.pointer++) = ' '; - } - else { - if (!JOIN(parser, string, trailing_breaks)) goto error; - CLEAR(parser, trailing_breaks); - } - CLEAR(parser, leading_break); - } - else { - if (!JOIN(parser, string, leading_break)) goto error; - if (!JOIN(parser, string, trailing_breaks)) goto error; - CLEAR(parser, leading_break); - CLEAR(parser, trailing_breaks); - } - } - else - { - if (!JOIN(parser, string, whitespaces)) goto error; - CLEAR(parser, whitespaces); - } - } - - /* Eat the right quote. */ - - SKIP(parser); - - end_mark = parser->mark; - - /* Create a token. */ - - SCALAR_TOKEN_INIT(*token, string.start, string.pointer-string.start, - single ? YAML_SINGLE_QUOTED_SCALAR_STYLE : YAML_DOUBLE_QUOTED_SCALAR_STYLE, - start_mark, end_mark); - - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - STRING_DEL(parser, whitespaces); - - return 1; - -error: - STRING_DEL(parser, string); - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - STRING_DEL(parser, whitespaces); - - return 0; -} - -/* - * Scan a plain scalar. - */ - -static int -yaml_parser_scan_plain_scalar(yaml_parser_t *parser, yaml_token_t *token) -{ - yaml_mark_t start_mark; - yaml_mark_t end_mark; - yaml_string_t string = NULL_STRING; - yaml_string_t leading_break = NULL_STRING; - yaml_string_t trailing_breaks = NULL_STRING; - yaml_string_t whitespaces = NULL_STRING; - int leading_blanks = 0; - int indent = parser->indent+1; - - if (!STRING_INIT(parser, string, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, leading_break, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, trailing_breaks, INITIAL_STRING_SIZE)) goto error; - if (!STRING_INIT(parser, whitespaces, INITIAL_STRING_SIZE)) goto error; - - start_mark = end_mark = parser->mark; - - /* Consume the content of the plain scalar. */ - - while (1) - { - /* Check for a document indicator. */ - - if (!CACHE(parser, 4)) goto error; - - if (parser->mark.column == 0 && - ((CHECK_AT(parser->buffer, '-', 0) && - CHECK_AT(parser->buffer, '-', 1) && - CHECK_AT(parser->buffer, '-', 2)) || - (CHECK_AT(parser->buffer, '.', 0) && - CHECK_AT(parser->buffer, '.', 1) && - CHECK_AT(parser->buffer, '.', 2))) && - IS_BLANKZ_AT(parser->buffer, 3)) break; - - /* Check for a comment. */ - - if (CHECK(parser->buffer, '#')) - break; - - /* Consume non-blank characters. */ - - while (!IS_BLANKZ(parser->buffer)) - { - /* Check for 'x:x' in the flow context. TODO: Fix the test "spec-08-13". */ - - if (parser->flow_level - && CHECK(parser->buffer, ':') - && !IS_BLANKZ_AT(parser->buffer, 1)) { - yaml_parser_set_scanner_error(parser, "while scanning a plain scalar", - start_mark, "found unexpected ':'"); - goto error; - } - - /* Check for indicators that may end a plain scalar. */ - - if ((CHECK(parser->buffer, ':') && IS_BLANKZ_AT(parser->buffer, 1)) - || (parser->flow_level && - (CHECK(parser->buffer, ',') || CHECK(parser->buffer, ':') - || CHECK(parser->buffer, '?') || CHECK(parser->buffer, '[') - || CHECK(parser->buffer, ']') || CHECK(parser->buffer, '{') - || CHECK(parser->buffer, '}')))) - break; - - /* Check if we need to join whitespaces and breaks. */ - - if (leading_blanks || whitespaces.start != whitespaces.pointer) - { - if (leading_blanks) - { - /* Do we need to fold line breaks? */ - - if (leading_break.start[0] == '\n') { - if (trailing_breaks.start[0] == '\0') { - if (!STRING_EXTEND(parser, string)) goto error; - *(string.pointer++) = ' '; - } - else { - if (!JOIN(parser, string, trailing_breaks)) goto error; - CLEAR(parser, trailing_breaks); - } - CLEAR(parser, leading_break); - } - else { - if (!JOIN(parser, string, leading_break)) goto error; - if (!JOIN(parser, string, trailing_breaks)) goto error; - CLEAR(parser, leading_break); - CLEAR(parser, trailing_breaks); - } - - leading_blanks = 0; - } - else - { - if (!JOIN(parser, string, whitespaces)) goto error; - CLEAR(parser, whitespaces); - } - } - - /* Copy the character. */ - - if (!READ(parser, string)) goto error; - - end_mark = parser->mark; - - if (!CACHE(parser, 2)) goto error; - } - - /* Is it the end? */ - - if (!(IS_BLANK(parser->buffer) || IS_BREAK(parser->buffer))) - break; - - /* Consume blank characters. */ - - if (!CACHE(parser, 1)) goto error; - - while (IS_BLANK(parser->buffer) || IS_BREAK(parser->buffer)) - { - if (IS_BLANK(parser->buffer)) - { - /* Check for tab characters that abuse indentation. */ - - if (leading_blanks && (int)parser->mark.column < indent - && IS_TAB(parser->buffer)) { - yaml_parser_set_scanner_error(parser, "while scanning a plain scalar", - start_mark, "found a tab character that violates indentation"); - goto error; - } - - /* Consume a space or a tab character. */ - - if (!leading_blanks) { - if (!READ(parser, whitespaces)) goto error; - } - else { - SKIP(parser); - } - } - else - { - if (!CACHE(parser, 2)) goto error; - - /* Check if it is a first line break. */ - - if (!leading_blanks) - { - CLEAR(parser, whitespaces); - if (!READ_LINE(parser, leading_break)) goto error; - leading_blanks = 1; - } - else - { - if (!READ_LINE(parser, trailing_breaks)) goto error; - } - } - if (!CACHE(parser, 1)) goto error; - } - - /* Check indentation level. */ - - if (!parser->flow_level && (int)parser->mark.column < indent) - break; - } - - /* Create a token. */ - - SCALAR_TOKEN_INIT(*token, string.start, string.pointer-string.start, - YAML_PLAIN_SCALAR_STYLE, start_mark, end_mark); - - /* Note that we change the 'simple_key_allowed' flag. */ - - if (leading_blanks) { - parser->simple_key_allowed = 1; - } - - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - STRING_DEL(parser, whitespaces); - - return 1; - -error: - STRING_DEL(parser, string); - STRING_DEL(parser, leading_break); - STRING_DEL(parser, trailing_breaks); - STRING_DEL(parser, whitespaces); - - return 0; -} diff --git a/ext/writer.c b/ext/writer.c deleted file mode 100644 index 964973e..0000000 --- a/ext/writer.c +++ /dev/null @@ -1,140 +0,0 @@ - -#include "yaml_private.h" - -/* - * Declarations. - */ - -static int -yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem); - -YAML_DECLARE(int) -yaml_emitter_flush(yaml_emitter_t *emitter); - -/* - * Set the writer error and return 0. - */ - -static int -yaml_emitter_set_writer_error(yaml_emitter_t *emitter, const char *problem) -{ - emitter->error = YAML_WRITER_ERROR; - emitter->problem = problem; - - return 0; -} - -/* - * Flush the output buffer. - */ - -YAML_DECLARE(int) -yaml_emitter_flush(yaml_emitter_t *emitter) -{ - int low, high; - - assert(emitter); /* Non-NULL emitter object is expected. */ - assert(emitter->write_handler); /* Write handler must be set. */ - assert(emitter->encoding); /* Output encoding must be set. */ - - emitter->buffer.last = emitter->buffer.pointer; - emitter->buffer.pointer = emitter->buffer.start; - - /* Check if the buffer is empty. */ - - if (emitter->buffer.start == emitter->buffer.last) { - return 1; - } - - /* If the output encoding is UTF-8, we don't need to recode the buffer. */ - - if (emitter->encoding == YAML_UTF8_ENCODING) - { - if (emitter->write_handler(emitter->write_handler_data, - emitter->buffer.start, - emitter->buffer.last - emitter->buffer.start)) { - emitter->buffer.last = emitter->buffer.start; - emitter->buffer.pointer = emitter->buffer.start; - return 1; - } - else { - return yaml_emitter_set_writer_error(emitter, "write error"); - } - } - - /* Recode the buffer into the raw buffer. */ - - low = (emitter->encoding == YAML_UTF16LE_ENCODING ? 0 : 1); - high = (emitter->encoding == YAML_UTF16LE_ENCODING ? 1 : 0); - - while (emitter->buffer.pointer != emitter->buffer.last) - { - unsigned char octet; - unsigned int width; - unsigned int value; - size_t k; - - /* - * See the "reader.c" code for more details on UTF-8 encoding. Note - * that we assume that the buffer contains a valid UTF-8 sequence. - */ - - /* Read the next UTF-8 character. */ - - octet = emitter->buffer.pointer[0]; - - width = (octet & 0x80) == 0x00 ? 1 : - (octet & 0xE0) == 0xC0 ? 2 : - (octet & 0xF0) == 0xE0 ? 3 : - (octet & 0xF8) == 0xF0 ? 4 : 0; - - value = (octet & 0x80) == 0x00 ? octet & 0x7F : - (octet & 0xE0) == 0xC0 ? octet & 0x1F : - (octet & 0xF0) == 0xE0 ? octet & 0x0F : - (octet & 0xF8) == 0xF0 ? octet & 0x07 : 0; - - for (k = 1; k < width; k ++) { - octet = emitter->buffer.pointer[k]; - value = (value << 6) + (octet & 0x3F); - } - - emitter->buffer.pointer += width; - - /* Write the character. */ - - if (value < 0x10000) - { - emitter->raw_buffer.last[high] = value >> 8; - emitter->raw_buffer.last[low] = value & 0xFF; - - emitter->raw_buffer.last += 2; - } - else - { - /* Write the character using a surrogate pair (check "reader.c"). */ - - value -= 0x10000; - emitter->raw_buffer.last[high] = 0xD8 + (value >> 18); - emitter->raw_buffer.last[low] = (value >> 10) & 0xFF; - emitter->raw_buffer.last[high+2] = 0xDC + ((value >> 8) & 0xFF); - emitter->raw_buffer.last[low+2] = value & 0xFF; - - emitter->raw_buffer.last += 4; - } - } - - /* Write the raw buffer. */ - - if (emitter->write_handler(emitter->write_handler_data, - emitter->raw_buffer.start, - emitter->raw_buffer.last - emitter->raw_buffer.start)) { - emitter->buffer.last = emitter->buffer.start; - emitter->buffer.pointer = emitter->buffer.start; - emitter->raw_buffer.last = emitter->raw_buffer.start; - emitter->raw_buffer.pointer = emitter->raw_buffer.start; - return 1; - } - else { - return yaml_emitter_set_writer_error(emitter, "write error"); - } -} diff --git a/ext/yaml.h b/ext/yaml.h deleted file mode 100644 index 5450de0..0000000 --- a/ext/yaml.h +++ /dev/null @@ -1,1977 +0,0 @@ -/** - * @file yaml.h - * @brief Public interface for libyaml. - * - * Include the header file with the code: - * @code - * #include - * @endcode - */ - -#ifndef YAML_H -#define YAML_H - -#ifdef __cplusplus -extern "C" { -#endif - -#include -#include -#include - -/** - * @defgroup export Export Definitions - * @{ - */ - -/** The public API declaration. */ - -#if defined(__MINGW32__) -# define YAML_DECLARE(type) type -#elif defined(WIN32) -# if defined(YAML_DECLARE_STATIC) -# define YAML_DECLARE(type) type -# elif defined(YAML_DECLARE_EXPORT) -# define YAML_DECLARE(type) __declspec(dllexport) type -# else -# define YAML_DECLARE(type) __declspec(dllimport) type -# endif -#else -# define YAML_DECLARE(type) type -#endif - -/** @} */ - -/** - * @defgroup version Version Information - * @{ - */ - -/** - * Get the library version as a string. - * - * @returns The function returns the pointer to a static string of the form - * @c "X.Y.Z", where @c X is the major version number, @c Y is a minor version - * number, and @c Z is the patch version number. - */ - -YAML_DECLARE(const char *) -yaml_get_version_string(void); - -/** - * Get the library version numbers. - * - * @param[out] major Major version number. - * @param[out] minor Minor version number. - * @param[out] patch Patch version number. - */ - -YAML_DECLARE(void) -yaml_get_version(int *major, int *minor, int *patch); - -/** @} */ - -/** - * @defgroup basic Basic Types - * @{ - */ - -/** The character type (UTF-8 octet). */ -typedef unsigned char yaml_char_t; - -/** The version directive data. */ -typedef struct yaml_version_directive_s { - /** The major version number. */ - int major; - /** The minor version number. */ - int minor; -} yaml_version_directive_t; - -/** The tag directive data. */ -typedef struct yaml_tag_directive_s { - /** The tag handle. */ - yaml_char_t *handle; - /** The tag prefix. */ - yaml_char_t *prefix; -} yaml_tag_directive_t; - -/** The stream encoding. */ -typedef enum yaml_encoding_e { - /** Let the parser choose the encoding. */ - YAML_ANY_ENCODING, - /** The default UTF-8 encoding. */ - YAML_UTF8_ENCODING, - /** The UTF-16-LE encoding with BOM. */ - YAML_UTF16LE_ENCODING, - /** The UTF-16-BE encoding with BOM. */ - YAML_UTF16BE_ENCODING -} yaml_encoding_t; - -/** Line break types. */ - -typedef enum yaml_break_e { - /** Let the parser choose the break type. */ - YAML_ANY_BREAK, - /** Use CR for line breaks (Mac style). */ - YAML_CR_BREAK, - /** Use LN for line breaks (Unix style). */ - YAML_LN_BREAK, - /** Use CR LN for line breaks (DOS style). */ - YAML_CRLN_BREAK -} yaml_break_t; - -/** Many bad things could happen with the parser and emitter. */ -typedef enum yaml_error_type_e { - /** No error is produced. */ - YAML_NO_ERROR, - - /** Cannot allocate or reallocate a block of memory. */ - YAML_MEMORY_ERROR, - - /** Cannot read or decode the input stream. */ - YAML_READER_ERROR, - /** Cannot scan the input stream. */ - YAML_SCANNER_ERROR, - /** Cannot parse the input stream. */ - YAML_PARSER_ERROR, - /** Cannot compose a YAML document. */ - YAML_COMPOSER_ERROR, - - /** Cannot write to the output stream. */ - YAML_WRITER_ERROR, - /** Cannot emit a YAML stream. */ - YAML_EMITTER_ERROR -} yaml_error_type_t; - -/** The pointer position. */ -typedef struct yaml_mark_s { - /** The position index. */ - size_t index; - - /** The position line. */ - size_t line; - - /** The position column. */ - size_t column; -} yaml_mark_t; - -/** @} */ - -/** - * @defgroup styles Node Styles - * @{ - */ - -/** Scalar styles. */ -typedef enum yaml_scalar_style_e { - /** Let the emitter choose the style. */ - YAML_ANY_SCALAR_STYLE, - - /** The plain scalar style. */ - YAML_PLAIN_SCALAR_STYLE, - - /** The single-quoted scalar style. */ - YAML_SINGLE_QUOTED_SCALAR_STYLE, - /** The double-quoted scalar style. */ - YAML_DOUBLE_QUOTED_SCALAR_STYLE, - - /** The literal scalar style. */ - YAML_LITERAL_SCALAR_STYLE, - /** The folded scalar style. */ - YAML_FOLDED_SCALAR_STYLE -} yaml_scalar_style_t; - -/** Sequence styles. */ -typedef enum yaml_sequence_style_e { - /** Let the emitter choose the style. */ - YAML_ANY_SEQUENCE_STYLE, - - /** The block sequence style. */ - YAML_BLOCK_SEQUENCE_STYLE, - /** The flow sequence style. */ - YAML_FLOW_SEQUENCE_STYLE -} yaml_sequence_style_t; - -/** Mapping styles. */ -typedef enum yaml_mapping_style_e { - /** Let the emitter choose the style. */ - YAML_ANY_MAPPING_STYLE, - - /** The block mapping style. */ - YAML_BLOCK_MAPPING_STYLE, - /** The flow mapping style. */ - YAML_FLOW_MAPPING_STYLE -/* YAML_FLOW_SET_MAPPING_STYLE */ -} yaml_mapping_style_t; - -/** @} */ - -/** - * @defgroup tokens Tokens - * @{ - */ - -/** Token types. */ -typedef enum yaml_token_type_e { - /** An empty token. */ - YAML_NO_TOKEN, - - /** A STREAM-START token. */ - YAML_STREAM_START_TOKEN, - /** A STREAM-END token. */ - YAML_STREAM_END_TOKEN, - - /** A VERSION-DIRECTIVE token. */ - YAML_VERSION_DIRECTIVE_TOKEN, - /** A TAG-DIRECTIVE token. */ - YAML_TAG_DIRECTIVE_TOKEN, - /** A DOCUMENT-START token. */ - YAML_DOCUMENT_START_TOKEN, - /** A DOCUMENT-END token. */ - YAML_DOCUMENT_END_TOKEN, - - /** A BLOCK-SEQUENCE-START token. */ - YAML_BLOCK_SEQUENCE_START_TOKEN, - /** A BLOCK-MAPPING-START token. */ - YAML_BLOCK_MAPPING_START_TOKEN, - /** A BLOCK-END token. */ - YAML_BLOCK_END_TOKEN, - - /** A FLOW-SEQUENCE-START token. */ - YAML_FLOW_SEQUENCE_START_TOKEN, - /** A FLOW-SEQUENCE-END token. */ - YAML_FLOW_SEQUENCE_END_TOKEN, - /** A FLOW-MAPPING-START token. */ - YAML_FLOW_MAPPING_START_TOKEN, - /** A FLOW-MAPPING-END token. */ - YAML_FLOW_MAPPING_END_TOKEN, - - /** A BLOCK-ENTRY token. */ - YAML_BLOCK_ENTRY_TOKEN, - /** A FLOW-ENTRY token. */ - YAML_FLOW_ENTRY_TOKEN, - /** A KEY token. */ - YAML_KEY_TOKEN, - /** A VALUE token. */ - YAML_VALUE_TOKEN, - - /** An ALIAS token. */ - YAML_ALIAS_TOKEN, - /** An ANCHOR token. */ - YAML_ANCHOR_TOKEN, - /** A TAG token. */ - YAML_TAG_TOKEN, - /** A SCALAR token. */ - YAML_SCALAR_TOKEN -} yaml_token_type_t; - -/** The token structure. */ -typedef struct yaml_token_s { - - /** The token type. */ - yaml_token_type_t type; - - /** The token data. */ - union { - - /** The stream start (for @c YAML_STREAM_START_TOKEN). */ - struct { - /** The stream encoding. */ - yaml_encoding_t encoding; - } stream_start; - - /** The alias (for @c YAML_ALIAS_TOKEN). */ - struct { - /** The alias value. */ - yaml_char_t *value; - } alias; - - /** The anchor (for @c YAML_ANCHOR_TOKEN). */ - struct { - /** The anchor value. */ - yaml_char_t *value; - } anchor; - - /** The tag (for @c YAML_TAG_TOKEN). */ - struct { - /** The tag handle. */ - yaml_char_t *handle; - /** The tag suffix. */ - yaml_char_t *suffix; - } tag; - - /** The scalar value (for @c YAML_SCALAR_TOKEN). */ - struct { - /** The scalar value. */ - yaml_char_t *value; - /** The length of the scalar value. */ - size_t length; - /** The scalar style. */ - yaml_scalar_style_t style; - } scalar; - - /** The version directive (for @c YAML_VERSION_DIRECTIVE_TOKEN). */ - struct { - /** The major version number. */ - int major; - /** The minor version number. */ - int minor; - } version_directive; - - /** The tag directive (for @c YAML_TAG_DIRECTIVE_TOKEN). */ - struct { - /** The tag handle. */ - yaml_char_t *handle; - /** The tag prefix. */ - yaml_char_t *prefix; - } tag_directive; - - } data; - - /** The beginning of the token. */ - yaml_mark_t start_mark; - /** The end of the token. */ - yaml_mark_t end_mark; - -} yaml_token_t; - -/** - * Free any memory allocated for a token object. - * - * @param[in,out] token A token object. - */ - -YAML_DECLARE(void) -yaml_token_delete(yaml_token_t *token); - -/** @} */ - -/** - * @defgroup events Events - * @{ - */ - -/** Event types. */ -typedef enum yaml_event_type_e { - /** An empty event. */ - YAML_NO_EVENT, - - /** A STREAM-START event. */ - YAML_STREAM_START_EVENT, - /** A STREAM-END event. */ - YAML_STREAM_END_EVENT, - - /** A DOCUMENT-START event. */ - YAML_DOCUMENT_START_EVENT, - /** A DOCUMENT-END event. */ - YAML_DOCUMENT_END_EVENT, - - /** An ALIAS event. */ - YAML_ALIAS_EVENT, - /** A SCALAR event. */ - YAML_SCALAR_EVENT, - - /** A SEQUENCE-START event. */ - YAML_SEQUENCE_START_EVENT, - /** A SEQUENCE-END event. */ - YAML_SEQUENCE_END_EVENT, - - /** A MAPPING-START event. */ - YAML_MAPPING_START_EVENT, - /** A MAPPING-END event. */ - YAML_MAPPING_END_EVENT -} yaml_event_type_t; - -/** The event structure. */ -typedef struct yaml_event_s { - - /** The event type. */ - yaml_event_type_t type; - - /** The event data. */ - union { - - /** The stream parameters (for @c YAML_STREAM_START_EVENT). */ - struct { - /** The document encoding. */ - yaml_encoding_t encoding; - } stream_start; - - /** The document parameters (for @c YAML_DOCUMENT_START_EVENT). */ - struct { - /** The version directive. */ - yaml_version_directive_t *version_directive; - - /** The list of tag directives. */ - struct { - /** The beginning of the tag directives list. */ - yaml_tag_directive_t *start; - /** The end of the tag directives list. */ - yaml_tag_directive_t *end; - } tag_directives; - - /** Is the document indicator implicit? */ - int implicit; - } document_start; - - /** The document end parameters (for @c YAML_DOCUMENT_END_EVENT). */ - struct { - /** Is the document end indicator implicit? */ - int implicit; - } document_end; - - /** The alias parameters (for @c YAML_ALIAS_EVENT). */ - struct { - /** The anchor. */ - yaml_char_t *anchor; - } alias; - - /** The scalar parameters (for @c YAML_SCALAR_EVENT). */ - struct { - /** The anchor. */ - yaml_char_t *anchor; - /** The tag. */ - yaml_char_t *tag; - /** The scalar value. */ - yaml_char_t *value; - /** The length of the scalar value. */ - size_t length; - /** Is the tag optional for the plain style? */ - int plain_implicit; - /** Is the tag optional for any non-plain style? */ - int quoted_implicit; - /** The scalar style. */ - yaml_scalar_style_t style; - } scalar; - - /** The sequence parameters (for @c YAML_SEQUENCE_START_EVENT). */ - struct { - /** The anchor. */ - yaml_char_t *anchor; - /** The tag. */ - yaml_char_t *tag; - /** Is the tag optional? */ - int implicit; - /** The sequence style. */ - yaml_sequence_style_t style; - } sequence_start; - - /** The mapping parameters (for @c YAML_MAPPING_START_EVENT). */ - struct { - /** The anchor. */ - yaml_char_t *anchor; - /** The tag. */ - yaml_char_t *tag; - /** Is the tag optional? */ - int implicit; - /** The mapping style. */ - yaml_mapping_style_t style; - } mapping_start; - - } data; - - /** The beginning of the event. */ - yaml_mark_t start_mark; - /** The end of the event. */ - yaml_mark_t end_mark; - -} yaml_event_t; - -/** - * Create the STREAM-START event. - * - * @param[out] event An empty event object. - * @param[in] encoding The stream encoding. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_stream_start_event_initialize(yaml_event_t *event, - yaml_encoding_t encoding); - -/** - * Create the STREAM-END event. - * - * @param[out] event An empty event object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_stream_end_event_initialize(yaml_event_t *event); - -/** - * Create the DOCUMENT-START event. - * - * The @a implicit argument is considered as a stylistic parameter and may be - * ignored by the emitter. - * - * @param[out] event An empty event object. - * @param[in] version_directive The %YAML directive value or - * @c NULL. - * @param[in] tag_directives_start The beginning of the %TAG - * directives list. - * @param[in] tag_directives_end The end of the %TAG directives - * list. - * @param[in] implicit If the document start indicator is - * implicit. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_start_event_initialize(yaml_event_t *event, - yaml_version_directive_t *version_directive, - yaml_tag_directive_t *tag_directives_start, - yaml_tag_directive_t *tag_directives_end, - int implicit); - -/** - * Create the DOCUMENT-END event. - * - * The @a implicit argument is considered as a stylistic parameter and may be - * ignored by the emitter. - * - * @param[out] event An empty event object. - * @param[in] implicit If the document end indicator is implicit. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_end_event_initialize(yaml_event_t *event, int implicit); - -/** - * Create an ALIAS event. - * - * @param[out] event An empty event object. - * @param[in] anchor The anchor value. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_alias_event_initialize(yaml_event_t *event, yaml_char_t *anchor); - -/** - * Create a SCALAR event. - * - * The @a style argument may be ignored by the emitter. - * - * Either the @a tag attribute or one of the @a plain_implicit and - * @a quoted_implicit flags must be set. - * - * @param[out] event An empty event object. - * @param[in] anchor The scalar anchor or @c NULL. - * @param[in] tag The scalar tag or @c NULL. - * @param[in] value The scalar value. - * @param[in] length The length of the scalar value. - * @param[in] plain_implicit If the tag may be omitted for the plain - * style. - * @param[in] quoted_implicit If the tag may be omitted for any - * non-plain style. - * @param[in] style The scalar style. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_scalar_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, - yaml_char_t *value, int length, - int plain_implicit, int quoted_implicit, - yaml_scalar_style_t style); - -/** - * Create a SEQUENCE-START event. - * - * The @a style argument may be ignored by the emitter. - * - * Either the @a tag attribute or the @a implicit flag must be set. - * - * @param[out] event An empty event object. - * @param[in] anchor The sequence anchor or @c NULL. - * @param[in] tag The sequence tag or @c NULL. - * @param[in] implicit If the tag may be omitted. - * @param[in] style The sequence style. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_sequence_start_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, int implicit, - yaml_sequence_style_t style); - -/** - * Create a SEQUENCE-END event. - * - * @param[out] event An empty event object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_sequence_end_event_initialize(yaml_event_t *event); - -/** - * Create a MAPPING-START event. - * - * The @a style argument may be ignored by the emitter. - * - * Either the @a tag attribute or the @a implicit flag must be set. - * - * @param[out] event An empty event object. - * @param[in] anchor The mapping anchor or @c NULL. - * @param[in] tag The mapping tag or @c NULL. - * @param[in] implicit If the tag may be omitted. - * @param[in] style The mapping style. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_mapping_start_event_initialize(yaml_event_t *event, - yaml_char_t *anchor, yaml_char_t *tag, int implicit, - yaml_mapping_style_t style); - -/** - * Create a MAPPING-END event. - * - * @param[out] event An empty event object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_mapping_end_event_initialize(yaml_event_t *event); - -/** - * Free any memory allocated for an event object. - * - * @param[in,out] event An event object. - */ - -YAML_DECLARE(void) -yaml_event_delete(yaml_event_t *event); - -/** @} */ - -/** - * @defgroup nodes Nodes - * @{ - */ - -/** The tag @c !!null with the only possible value: @c null. */ -#define YAML_NULL_TAG "tag:yaml.org,2002:null" -/** The tag @c !!bool with the values: @c true and @c false. */ -#define YAML_BOOL_TAG "tag:yaml.org,2002:bool" -/** The tag @c !!str for string values. */ -#define YAML_STR_TAG "tag:yaml.org,2002:str" -/** The tag @c !!int for integer values. */ -#define YAML_INT_TAG "tag:yaml.org,2002:int" -/** The tag @c !!float for float values. */ -#define YAML_FLOAT_TAG "tag:yaml.org,2002:float" -/** The tag @c !!timestamp for date and time values. */ -#define YAML_TIMESTAMP_TAG "tag:yaml.org,2002:timestamp" - -/** The tag @c !!seq is used to denote sequences. */ -#define YAML_SEQ_TAG "tag:yaml.org,2002:seq" -/** The tag @c !!map is used to denote mapping. */ -#define YAML_MAP_TAG "tag:yaml.org,2002:map" - -/** The default scalar tag is @c !!str. */ -#define YAML_DEFAULT_SCALAR_TAG YAML_STR_TAG -/** The default sequence tag is @c !!seq. */ -#define YAML_DEFAULT_SEQUENCE_TAG YAML_SEQ_TAG -/** The default mapping tag is @c !!map. */ -#define YAML_DEFAULT_MAPPING_TAG YAML_MAP_TAG - -/** Node types. */ -typedef enum yaml_node_type_e { - /** An empty node. */ - YAML_NO_NODE, - - /** A scalar node. */ - YAML_SCALAR_NODE, - /** A sequence node. */ - YAML_SEQUENCE_NODE, - /** A mapping node. */ - YAML_MAPPING_NODE -} yaml_node_type_t; - -/** The forward definition of a document node structure. */ -typedef struct yaml_node_s yaml_node_t; - -/** An element of a sequence node. */ -typedef int yaml_node_item_t; - -/** An element of a mapping node. */ -typedef struct yaml_node_pair_s { - /** The key of the element. */ - int key; - /** The value of the element. */ - int value; -} yaml_node_pair_t; - -/** The node structure. */ -struct yaml_node_s { - - /** The node type. */ - yaml_node_type_t type; - - /** The node tag. */ - yaml_char_t *tag; - - /** The node data. */ - union { - - /** The scalar parameters (for @c YAML_SCALAR_NODE). */ - struct { - /** The scalar value. */ - yaml_char_t *value; - /** The length of the scalar value. */ - size_t length; - /** The scalar style. */ - yaml_scalar_style_t style; - } scalar; - - /** The sequence parameters (for @c YAML_SEQUENCE_NODE). */ - struct { - /** The stack of sequence items. */ - struct { - /** The beginning of the stack. */ - yaml_node_item_t *start; - /** The end of the stack. */ - yaml_node_item_t *end; - /** The top of the stack. */ - yaml_node_item_t *top; - } items; - /** The sequence style. */ - yaml_sequence_style_t style; - } sequence; - - /** The mapping parameters (for @c YAML_MAPPING_NODE). */ - struct { - /** The stack of mapping pairs (key, value). */ - struct { - /** The beginning of the stack. */ - yaml_node_pair_t *start; - /** The end of the stack. */ - yaml_node_pair_t *end; - /** The top of the stack. */ - yaml_node_pair_t *top; - } pairs; - /** The mapping style. */ - yaml_mapping_style_t style; - } mapping; - - } data; - - /** The beginning of the node. */ - yaml_mark_t start_mark; - /** The end of the node. */ - yaml_mark_t end_mark; - -}; - -/** The document structure. */ -typedef struct yaml_document_s { - - /** The document nodes. */ - struct { - /** The beginning of the stack. */ - yaml_node_t *start; - /** The end of the stack. */ - yaml_node_t *end; - /** The top of the stack. */ - yaml_node_t *top; - } nodes; - - /** The version directive. */ - yaml_version_directive_t *version_directive; - - /** The list of tag directives. */ - struct { - /** The beginning of the tag directives list. */ - yaml_tag_directive_t *start; - /** The end of the tag directives list. */ - yaml_tag_directive_t *end; - } tag_directives; - - /** Is the document start indicator implicit? */ - int start_implicit; - /** Is the document end indicator implicit? */ - int end_implicit; - - /** The beginning of the document. */ - yaml_mark_t start_mark; - /** The end of the document. */ - yaml_mark_t end_mark; - -} yaml_document_t; - -/** - * Create a YAML document. - * - * @param[out] document An empty document object. - * @param[in] version_directive The %YAML directive value or - * @c NULL. - * @param[in] tag_directives_start The beginning of the %TAG - * directives list. - * @param[in] tag_directives_end The end of the %TAG directives - * list. - * @param[in] start_implicit If the document start indicator is - * implicit. - * @param[in] end_implicit If the document end indicator is - * implicit. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_initialize(yaml_document_t *document, - yaml_version_directive_t *version_directive, - yaml_tag_directive_t *tag_directives_start, - yaml_tag_directive_t *tag_directives_end, - int start_implicit, int end_implicit); - -/** - * Delete a YAML document and all its nodes. - * - * @param[in,out] document A document object. - */ - -YAML_DECLARE(void) -yaml_document_delete(yaml_document_t *document); - -/** - * Get a node of a YAML document. - * - * The pointer returned by this function is valid until any of the functions - * modifying the documents are called. - * - * @param[in] document A document object. - * @param[in] index The node id. - * - * @returns the node objct or @c NULL if @c node_id is out of range. - */ - -YAML_DECLARE(yaml_node_t *) -yaml_document_get_node(yaml_document_t *document, int index); - -/** - * Get the root of a YAML document node. - * - * The root object is the first object added to the document. - * - * The pointer returned by this function is valid until any of the functions - * modifying the documents are called. - * - * An empty document produced by the parser signifies the end of a YAML - * stream. - * - * @param[in] document A document object. - * - * @returns the node object or @c NULL if the document is empty. - */ - -YAML_DECLARE(yaml_node_t *) -yaml_document_get_root_node(yaml_document_t *document); - -/** - * Create a SCALAR node and attach it to the document. - * - * The @a style argument may be ignored by the emitter. - * - * @param[in,out] document A document object. - * @param[in] tag The scalar tag. - * @param[in] value The scalar value. - * @param[in] length The length of the scalar value. - * @param[in] style The scalar style. - * - * @returns the node id or @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_add_scalar(yaml_document_t *document, - yaml_char_t *tag, yaml_char_t *value, int length, - yaml_scalar_style_t style); - -/** - * Create a SEQUENCE node and attach it to the document. - * - * The @a style argument may be ignored by the emitter. - * - * @param[in,out] document A document object. - * @param[in] tag The sequence tag. - * @param[in] style The sequence style. - * - * @returns the node id or @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_add_sequence(yaml_document_t *document, - yaml_char_t *tag, yaml_sequence_style_t style); - -/** - * Create a MAPPING node and attach it to the document. - * - * The @a style argument may be ignored by the emitter. - * - * @param[in,out] document A document object. - * @param[in] tag The sequence tag. - * @param[in] style The sequence style. - * - * @returns the node id or @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_add_mapping(yaml_document_t *document, - yaml_char_t *tag, yaml_mapping_style_t style); - -/** - * Add an item to a SEQUENCE node. - * - * @param[in,out] document A document object. - * @param[in] sequence The sequence node id. - * @param[in] item The item node id. -* - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_append_sequence_item(yaml_document_t *document, - int sequence, int item); - -/** - * Add a pair of a key and a value to a MAPPING node. - * - * @param[in,out] document A document object. - * @param[in] mapping The mapping node id. - * @param[in] key The key node id. - * @param[in] value The value node id. -* - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_document_append_mapping_pair(yaml_document_t *document, - int mapping, int key, int value); - -/** @} */ - -/** - * @defgroup parser Parser Definitions - * @{ - */ - -/** - * The prototype of a read handler. - * - * The read handler is called when the parser needs to read more bytes from the - * source. The handler should write not more than @a size bytes to the @a - * buffer. The number of written bytes should be set to the @a length variable. - * - * @param[in,out] data A pointer to an application data specified by - * yaml_parser_set_input(). - * @param[out] buffer The buffer to write the data from the source. - * @param[in] size The size of the buffer. - * @param[out] size_read The actual number of bytes read from the source. - * - * @returns On success, the handler should return @c 1. If the handler failed, - * the returned value should be @c 0. On EOF, the handler should set the - * @a size_read to @c 0 and return @c 1. - */ - -typedef int yaml_read_handler_t(void *data, unsigned char *buffer, size_t size, - size_t *size_read); - -/** - * This structure holds information about a potential simple key. - */ - -typedef struct yaml_simple_key_s { - /** Is a simple key possible? */ - int possible; - - /** Is a simple key required? */ - int required; - - /** The number of the token. */ - size_t token_number; - - /** The position mark. */ - yaml_mark_t mark; -} yaml_simple_key_t; - -/** - * The states of the parser. - */ -typedef enum yaml_parser_state_e { - /** Expect STREAM-START. */ - YAML_PARSE_STREAM_START_STATE, - /** Expect the beginning of an implicit document. */ - YAML_PARSE_IMPLICIT_DOCUMENT_START_STATE, - /** Expect DOCUMENT-START. */ - YAML_PARSE_DOCUMENT_START_STATE, - /** Expect the content of a document. */ - YAML_PARSE_DOCUMENT_CONTENT_STATE, - /** Expect DOCUMENT-END. */ - YAML_PARSE_DOCUMENT_END_STATE, - /** Expect a block node. */ - YAML_PARSE_BLOCK_NODE_STATE, - /** Expect a block node or indentless sequence. */ - YAML_PARSE_BLOCK_NODE_OR_INDENTLESS_SEQUENCE_STATE, - /** Expect a flow node. */ - YAML_PARSE_FLOW_NODE_STATE, - /** Expect the first entry of a block sequence. */ - YAML_PARSE_BLOCK_SEQUENCE_FIRST_ENTRY_STATE, - /** Expect an entry of a block sequence. */ - YAML_PARSE_BLOCK_SEQUENCE_ENTRY_STATE, - /** Expect an entry of an indentless sequence. */ - YAML_PARSE_INDENTLESS_SEQUENCE_ENTRY_STATE, - /** Expect the first key of a block mapping. */ - YAML_PARSE_BLOCK_MAPPING_FIRST_KEY_STATE, - /** Expect a block mapping key. */ - YAML_PARSE_BLOCK_MAPPING_KEY_STATE, - /** Expect a block mapping value. */ - YAML_PARSE_BLOCK_MAPPING_VALUE_STATE, - /** Expect the first entry of a flow sequence. */ - YAML_PARSE_FLOW_SEQUENCE_FIRST_ENTRY_STATE, - /** Expect an entry of a flow sequence. */ - YAML_PARSE_FLOW_SEQUENCE_ENTRY_STATE, - /** Expect a key of an ordered mapping. */ - YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_KEY_STATE, - /** Expect a value of an ordered mapping. */ - YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_VALUE_STATE, - /** Expect the and of an ordered mapping entry. */ - YAML_PARSE_FLOW_SEQUENCE_ENTRY_MAPPING_END_STATE, - /** Expect the first key of a flow mapping. */ - YAML_PARSE_FLOW_MAPPING_FIRST_KEY_STATE, - /** Expect a key of a flow mapping. */ - YAML_PARSE_FLOW_MAPPING_KEY_STATE, - /** Expect a value of a flow mapping. */ - YAML_PARSE_FLOW_MAPPING_VALUE_STATE, - /** Expect an empty value of a flow mapping. */ - YAML_PARSE_FLOW_MAPPING_EMPTY_VALUE_STATE, - /** Expect nothing. */ - YAML_PARSE_END_STATE -} yaml_parser_state_t; - -/** - * This structure holds aliases data. - */ - -typedef struct yaml_alias_data_s { - /** The anchor. */ - yaml_char_t *anchor; - /** The node id. */ - int index; - /** The anchor mark. */ - yaml_mark_t mark; -} yaml_alias_data_t; - -/** - * The parser structure. - * - * All members are internal. Manage the structure using the @c yaml_parser_ - * family of functions. - */ - -typedef struct yaml_parser_s { - - /** - * @name Error handling - * @{ - */ - - /** Error type. */ - yaml_error_type_t error; - /** Error description. */ - const char *problem; - /** The byte about which the problem occurred. */ - size_t problem_offset; - /** The problematic value (@c -1 is none). */ - int problem_value; - /** The problem position. */ - yaml_mark_t problem_mark; - /** The error context. */ - const char *context; - /** The context position. */ - yaml_mark_t context_mark; - - /** - * @} - */ - - /** - * @name Reader stuff - * @{ - */ - - /** Read handler. */ - yaml_read_handler_t *read_handler; - - /** A pointer for passing to the read handler. */ - void *read_handler_data; - - /** Standard (string or file) input data. */ - union { - /** String input data. */ - struct { - /** The string start pointer. */ - const unsigned char *start; - /** The string end pointer. */ - const unsigned char *end; - /** The string current position. */ - const unsigned char *current; - } string; - - /** File input data. */ - FILE *file; - } input; - - /** EOF flag */ - int eof; - - /** The working buffer. */ - struct { - /** The beginning of the buffer. */ - yaml_char_t *start; - /** The end of the buffer. */ - yaml_char_t *end; - /** The current position of the buffer. */ - yaml_char_t *pointer; - /** The last filled position of the buffer. */ - yaml_char_t *last; - } buffer; - - /* The number of unread characters in the buffer. */ - size_t unread; - - /** The raw buffer. */ - struct { - /** The beginning of the buffer. */ - unsigned char *start; - /** The end of the buffer. */ - unsigned char *end; - /** The current position of the buffer. */ - unsigned char *pointer; - /** The last filled position of the buffer. */ - unsigned char *last; - } raw_buffer; - - /** The input encoding. */ - yaml_encoding_t encoding; - - /** The offset of the current position (in bytes). */ - size_t offset; - - /** The mark of the current position. */ - yaml_mark_t mark; - - /** - * @} - */ - - /** - * @name Scanner stuff - * @{ - */ - - /** Have we started to scan the input stream? */ - int stream_start_produced; - - /** Have we reached the end of the input stream? */ - int stream_end_produced; - - /** The number of unclosed '[' and '{' indicators. */ - int flow_level; - - /** The tokens queue. */ - struct { - /** The beginning of the tokens queue. */ - yaml_token_t *start; - /** The end of the tokens queue. */ - yaml_token_t *end; - /** The head of the tokens queue. */ - yaml_token_t *head; - /** The tail of the tokens queue. */ - yaml_token_t *tail; - } tokens; - - /** The number of tokens fetched from the queue. */ - size_t tokens_parsed; - - /* Does the tokens queue contain a token ready for dequeueing. */ - int token_available; - - /** The indentation levels stack. */ - struct { - /** The beginning of the stack. */ - int *start; - /** The end of the stack. */ - int *end; - /** The top of the stack. */ - int *top; - } indents; - - /** The current indentation level. */ - int indent; - - /** May a simple key occur at the current position? */ - int simple_key_allowed; - - /** The stack of simple keys. */ - struct { - /** The beginning of the stack. */ - yaml_simple_key_t *start; - /** The end of the stack. */ - yaml_simple_key_t *end; - /** The top of the stack. */ - yaml_simple_key_t *top; - } simple_keys; - - /** - * @} - */ - - /** - * @name Parser stuff - * @{ - */ - - /** The parser states stack. */ - struct { - /** The beginning of the stack. */ - yaml_parser_state_t *start; - /** The end of the stack. */ - yaml_parser_state_t *end; - /** The top of the stack. */ - yaml_parser_state_t *top; - } states; - - /** The current parser state. */ - yaml_parser_state_t state; - - /** The stack of marks. */ - struct { - /** The beginning of the stack. */ - yaml_mark_t *start; - /** The end of the stack. */ - yaml_mark_t *end; - /** The top of the stack. */ - yaml_mark_t *top; - } marks; - - /** The list of TAG directives. */ - struct { - /** The beginning of the list. */ - yaml_tag_directive_t *start; - /** The end of the list. */ - yaml_tag_directive_t *end; - /** The top of the list. */ - yaml_tag_directive_t *top; - } tag_directives; - - /** - * @} - */ - - /** - * @name Dumper stuff - * @{ - */ - - /** The alias data. */ - struct { - /** The beginning of the list. */ - yaml_alias_data_t *start; - /** The end of the list. */ - yaml_alias_data_t *end; - /** The top of the list. */ - yaml_alias_data_t *top; - } aliases; - - /** The currently parsed document. */ - yaml_document_t *document; - - /** - * @} - */ - -} yaml_parser_t; - -/** - * Initialize a parser. - * - * This function creates a new parser object. An application is responsible - * for destroying the object using the yaml_parser_delete() function. - * - * @param[out] parser An empty parser object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_parser_initialize(yaml_parser_t *parser); - -/** - * Destroy a parser. - * - * @param[in,out] parser A parser object. - */ - -YAML_DECLARE(void) -yaml_parser_delete(yaml_parser_t *parser); - -/** - * Set a string input. - * - * Note that the @a input pointer must be valid while the @a parser object - * exists. The application is responsible for destroing @a input after - * destroying the @a parser. - * - * @param[in,out] parser A parser object. - * @param[in] input A source data. - * @param[in] size The length of the source data in bytes. - */ - -YAML_DECLARE(void) -yaml_parser_set_input_string(yaml_parser_t *parser, - const unsigned char *input, size_t size); - -/** - * Set a file input. - * - * @a file should be a file object open for reading. The application is - * responsible for closing the @a file. - * - * @param[in,out] parser A parser object. - * @param[in] file An open file. - */ - -YAML_DECLARE(void) -yaml_parser_set_input_file(yaml_parser_t *parser, FILE *file); - -/** - * Set a generic input handler. - * - * @param[in,out] parser A parser object. - * @param[in] handler A read handler. - * @param[in] data Any application data for passing to the read - * handler. - */ - -YAML_DECLARE(void) -yaml_parser_set_input(yaml_parser_t *parser, - yaml_read_handler_t *handler, void *data); - -/** - * Set the source encoding. - * - * @param[in,out] parser A parser object. - * @param[in] encoding The source encoding. - */ - -YAML_DECLARE(void) -yaml_parser_set_encoding(yaml_parser_t *parser, yaml_encoding_t encoding); - -/** - * Scan the input stream and produce the next token. - * - * Call the function subsequently to produce a sequence of tokens corresponding - * to the input stream. The initial token has the type - * @c YAML_STREAM_START_TOKEN while the ending token has the type - * @c YAML_STREAM_END_TOKEN. - * - * An application is responsible for freeing any buffers associated with the - * produced token object using the @c yaml_token_delete function. - * - * An application must not alternate the calls of yaml_parser_scan() with the - * calls of yaml_parser_parse() or yaml_parser_load(). Doing this will break - * the parser. - * - * @param[in,out] parser A parser object. - * @param[out] token An empty token object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_parser_scan(yaml_parser_t *parser, yaml_token_t *token); - -/** - * Parse the input stream and produce the next parsing event. - * - * Call the function subsequently to produce a sequence of events corresponding - * to the input stream. The initial event has the type - * @c YAML_STREAM_START_EVENT while the ending event has the type - * @c YAML_STREAM_END_EVENT. - * - * An application is responsible for freeing any buffers associated with the - * produced event object using the yaml_event_delete() function. - * - * An application must not alternate the calls of yaml_parser_parse() with the - * calls of yaml_parser_scan() or yaml_parser_load(). Doing this will break the - * parser. - * - * @param[in,out] parser A parser object. - * @param[out] event An empty event object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_parser_parse(yaml_parser_t *parser, yaml_event_t *event); - -/** - * Parse the input stream and produce the next YAML document. - * - * Call this function subsequently to produce a sequence of documents - * constituting the input stream. - * - * If the produced document has no root node, it means that the document - * end has been reached. - * - * An application is responsible for freeing any data associated with the - * produced document object using the yaml_document_delete() function. - * - * An application must not alternate the calls of yaml_parser_load() with the - * calls of yaml_parser_scan() or yaml_parser_parse(). Doing this will break - * the parser. - * - * @param[in,out] parser A parser object. - * @param[out] document An empty document object. - * - * @return @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_parser_load(yaml_parser_t *parser, yaml_document_t *document); - -/** @} */ - -/** - * @defgroup emitter Emitter Definitions - * @{ - */ - -/** - * The prototype of a write handler. - * - * The write handler is called when the emitter needs to flush the accumulated - * characters to the output. The handler should write @a size bytes of the - * @a buffer to the output. - * - * @param[in,out] data A pointer to an application data specified by - * yaml_emitter_set_output(). - * @param[in] buffer The buffer with bytes to be written. - * @param[in] size The size of the buffer. - * - * @returns On success, the handler should return @c 1. If the handler failed, - * the returned value should be @c 0. - */ - -typedef int yaml_write_handler_t(void *data, unsigned char *buffer, size_t size); - -/** The emitter states. */ -typedef enum yaml_emitter_state_e { - /** Expect STREAM-START. */ - YAML_EMIT_STREAM_START_STATE, - /** Expect the first DOCUMENT-START or STREAM-END. */ - YAML_EMIT_FIRST_DOCUMENT_START_STATE, - /** Expect DOCUMENT-START or STREAM-END. */ - YAML_EMIT_DOCUMENT_START_STATE, - /** Expect the content of a document. */ - YAML_EMIT_DOCUMENT_CONTENT_STATE, - /** Expect DOCUMENT-END. */ - YAML_EMIT_DOCUMENT_END_STATE, - /** Expect the first item of a flow sequence. */ - YAML_EMIT_FLOW_SEQUENCE_FIRST_ITEM_STATE, - /** Expect an item of a flow sequence. */ - YAML_EMIT_FLOW_SEQUENCE_ITEM_STATE, - /** Expect the first key of a flow mapping. */ - YAML_EMIT_FLOW_MAPPING_FIRST_KEY_STATE, - /** Expect a key of a flow mapping. */ - YAML_EMIT_FLOW_MAPPING_KEY_STATE, - /** Expect a value for a simple key of a flow mapping. */ - YAML_EMIT_FLOW_MAPPING_SIMPLE_VALUE_STATE, - /** Expect a value of a flow mapping. */ - YAML_EMIT_FLOW_MAPPING_VALUE_STATE, - /** Expect the first item of a block sequence. */ - YAML_EMIT_BLOCK_SEQUENCE_FIRST_ITEM_STATE, - /** Expect an item of a block sequence. */ - YAML_EMIT_BLOCK_SEQUENCE_ITEM_STATE, - /** Expect the first key of a block mapping. */ - YAML_EMIT_BLOCK_MAPPING_FIRST_KEY_STATE, - /** Expect the key of a block mapping. */ - YAML_EMIT_BLOCK_MAPPING_KEY_STATE, - /** Expect a value for a simple key of a block mapping. */ - YAML_EMIT_BLOCK_MAPPING_SIMPLE_VALUE_STATE, - /** Expect a value of a block mapping. */ - YAML_EMIT_BLOCK_MAPPING_VALUE_STATE, - /** Expect nothing. */ - YAML_EMIT_END_STATE -} yaml_emitter_state_t; - - -/* This is needed for C++ */ - -typedef struct yaml_anchors_s { - /** The number of references. */ - int references; - /** The anchor id. */ - int anchor; - /** If the node has been emitted? */ - int serialized; -} yaml_anchors_t; - -/** - * The emitter structure. - * - * All members are internal. Manage the structure using the @c yaml_emitter_ - * family of functions. - */ - -typedef struct yaml_emitter_s { - - /** - * @name Error handling - * @{ - */ - - /** Error type. */ - yaml_error_type_t error; - /** Error description. */ - const char *problem; - - /** - * @} - */ - - /** - * @name Writer stuff - * @{ - */ - - /** Write handler. */ - yaml_write_handler_t *write_handler; - - /** A pointer for passing to the white handler. */ - void *write_handler_data; - - /** Standard (string or file) output data. */ - union { - /** String output data. */ - struct { - /** The buffer pointer. */ - unsigned char *buffer; - /** The buffer size. */ - size_t size; - /** The number of written bytes. */ - size_t *size_written; - } string; - - /** File output data. */ - FILE *file; - } output; - - /** The working buffer. */ - struct { - /** The beginning of the buffer. */ - yaml_char_t *start; - /** The end of the buffer. */ - yaml_char_t *end; - /** The current position of the buffer. */ - yaml_char_t *pointer; - /** The last filled position of the buffer. */ - yaml_char_t *last; - } buffer; - - /** The raw buffer. */ - struct { - /** The beginning of the buffer. */ - unsigned char *start; - /** The end of the buffer. */ - unsigned char *end; - /** The current position of the buffer. */ - unsigned char *pointer; - /** The last filled position of the buffer. */ - unsigned char *last; - } raw_buffer; - - /** The stream encoding. */ - yaml_encoding_t encoding; - - /** - * @} - */ - - /** - * @name Emitter stuff - * @{ - */ - - /** If the output is in the canonical style? */ - int canonical; - /** The number of indentation spaces. */ - int best_indent; - /** The preferred width of the output lines. */ - int best_width; - /** Allow unescaped non-ASCII characters? */ - int unicode; - /** The preferred line break. */ - yaml_break_t line_break; - - /** The stack of states. */ - struct { - /** The beginning of the stack. */ - yaml_emitter_state_t *start; - /** The end of the stack. */ - yaml_emitter_state_t *end; - /** The top of the stack. */ - yaml_emitter_state_t *top; - } states; - - /** The current emitter state. */ - yaml_emitter_state_t state; - - /** The event queue. */ - struct { - /** The beginning of the event queue. */ - yaml_event_t *start; - /** The end of the event queue. */ - yaml_event_t *end; - /** The head of the event queue. */ - yaml_event_t *head; - /** The tail of the event queue. */ - yaml_event_t *tail; - } events; - - /** The stack of indentation levels. */ - struct { - /** The beginning of the stack. */ - int *start; - /** The end of the stack. */ - int *end; - /** The top of the stack. */ - int *top; - } indents; - - /** The list of tag directives. */ - struct { - /** The beginning of the list. */ - yaml_tag_directive_t *start; - /** The end of the list. */ - yaml_tag_directive_t *end; - /** The top of the list. */ - yaml_tag_directive_t *top; - } tag_directives; - - /** The current indentation level. */ - int indent; - - /** The current flow level. */ - int flow_level; - - /** Is it the document root context? */ - int root_context; - /** Is it a sequence context? */ - int sequence_context; - /** Is it a mapping context? */ - int mapping_context; - /** Is it a simple mapping key context? */ - int simple_key_context; - - /** The current line. */ - int line; - /** The current column. */ - int column; - /** If the last character was a whitespace? */ - int whitespace; - /** If the last character was an indentation character (' ', '-', '?', ':')? */ - int indention; - /** If an explicit document end is required? */ - int open_ended; - - /** Anchor analysis. */ - struct { - /** The anchor value. */ - yaml_char_t *anchor; - /** The anchor length. */ - size_t anchor_length; - /** Is it an alias? */ - int alias; - } anchor_data; - - /** Tag analysis. */ - struct { - /** The tag handle. */ - yaml_char_t *handle; - /** The tag handle length. */ - size_t handle_length; - /** The tag suffix. */ - yaml_char_t *suffix; - /** The tag suffix length. */ - size_t suffix_length; - } tag_data; - - /** Scalar analysis. */ - struct { - /** The scalar value. */ - yaml_char_t *value; - /** The scalar length. */ - size_t length; - /** Does the scalar contain line breaks? */ - int multiline; - /** Can the scalar be expessed in the flow plain style? */ - int flow_plain_allowed; - /** Can the scalar be expressed in the block plain style? */ - int block_plain_allowed; - /** Can the scalar be expressed in the single quoted style? */ - int single_quoted_allowed; - /** Can the scalar be expressed in the literal or folded styles? */ - int block_allowed; - /** The output style. */ - yaml_scalar_style_t style; - } scalar_data; - - /** - * @} - */ - - /** - * @name Dumper stuff - * @{ - */ - - /** If the stream was already opened? */ - int opened; - /** If the stream was already closed? */ - int closed; - - /** The information associated with the document nodes. */ - yaml_anchors_t *anchors; - - /** The last assigned anchor id. */ - int last_anchor_id; - - /** The currently emitted document. */ - yaml_document_t *document; - - /** - * @} - */ - -} yaml_emitter_t; - -/** - * Initialize an emitter. - * - * This function creates a new emitter object. An application is responsible - * for destroying the object using the yaml_emitter_delete() function. - * - * @param[out] emitter An empty parser object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_initialize(yaml_emitter_t *emitter); - -/** - * Destroy an emitter. - * - * @param[in,out] emitter An emitter object. - */ - -YAML_DECLARE(void) -yaml_emitter_delete(yaml_emitter_t *emitter); - -/** - * Set a string output. - * - * The emitter will write the output characters to the @a output buffer of the - * size @a size. The emitter will set @a size_written to the number of written - * bytes. If the buffer is smaller than required, the emitter produces the - * YAML_WRITE_ERROR error. - * - * @param[in,out] emitter An emitter object. - * @param[in] output An output buffer. - * @param[in] size The buffer size. - * @param[in] size_written The pointer to save the number of written - * bytes. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output_string(yaml_emitter_t *emitter, - unsigned char *output, size_t size, size_t *size_written); - -/** - * Set a file output. - * - * @a file should be a file object open for writing. The application is - * responsible for closing the @a file. - * - * @param[in,out] emitter An emitter object. - * @param[in] file An open file. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output_file(yaml_emitter_t *emitter, FILE *file); - -/** - * Set a generic output handler. - * - * @param[in,out] emitter An emitter object. - * @param[in] handler A write handler. - * @param[in] data Any application data for passing to the write - * handler. - */ - -YAML_DECLARE(void) -yaml_emitter_set_output(yaml_emitter_t *emitter, - yaml_write_handler_t *handler, void *data); - -/** - * Set the output encoding. - * - * @param[in,out] emitter An emitter object. - * @param[in] encoding The output encoding. - */ - -YAML_DECLARE(void) -yaml_emitter_set_encoding(yaml_emitter_t *emitter, yaml_encoding_t encoding); - -/** - * Set if the output should be in the "canonical" format as in the YAML - * specification. - * - * @param[in,out] emitter An emitter object. - * @param[in] canonical If the output is canonical. - */ - -YAML_DECLARE(void) -yaml_emitter_set_canonical(yaml_emitter_t *emitter, int canonical); - -/** - * Set the indentation increment. - * - * @param[in,out] emitter An emitter object. - * @param[in] indent The indentation increment (1 < . < 10). - */ - -YAML_DECLARE(void) -yaml_emitter_set_indent(yaml_emitter_t *emitter, int indent); - -/** - * Set the preferred line width. @c -1 means unlimited. - * - * @param[in,out] emitter An emitter object. - * @param[in] width The preferred line width. - */ - -YAML_DECLARE(void) -yaml_emitter_set_width(yaml_emitter_t *emitter, int width); - -/** - * Set if unescaped non-ASCII characters are allowed. - * - * @param[in,out] emitter An emitter object. - * @param[in] unicode If unescaped Unicode characters are allowed. - */ - -YAML_DECLARE(void) -yaml_emitter_set_unicode(yaml_emitter_t *emitter, int unicode); - -/** - * Set the preferred line break. - * - * @param[in,out] emitter An emitter object. - * @param[in] line_break The preferred line break. - */ - -YAML_DECLARE(void) -yaml_emitter_set_break(yaml_emitter_t *emitter, yaml_break_t line_break); - -/** - * Emit an event. - * - * The event object may be generated using the yaml_parser_parse() function. - * The emitter takes the responsibility for the event object and destroys its - * content after it is emitted. The event object is destroyed even if the - * function fails. - * - * @param[in,out] emitter An emitter object. - * @param[in,out] event An event object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_emit(yaml_emitter_t *emitter, yaml_event_t *event); - -/** - * Start a YAML stream. - * - * This function should be used before yaml_emitter_dump() is called. - * - * @param[in,out] emitter An emitter object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_open(yaml_emitter_t *emitter); - -/** - * Finish a YAML stream. - * - * This function should be used after yaml_emitter_dump() is called. - * - * @param[in,out] emitter An emitter object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_close(yaml_emitter_t *emitter); - -/** - * Emit a YAML document. - * - * The documen object may be generated using the yaml_parser_load() function - * or the yaml_document_initialize() function. The emitter takes the - * responsibility for the document object and destroys its content after - * it is emitted. The document object is destroyed even if the function fails. - * - * @param[in,out] emitter An emitter object. - * @param[in,out] document A document object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_dump(yaml_emitter_t *emitter, yaml_document_t *document); - -/** - * Flush the accumulated characters to the output. - * - * @param[in,out] emitter An emitter object. - * - * @returns @c 1 if the function succeeded, @c 0 on error. - */ - -YAML_DECLARE(int) -yaml_emitter_flush(yaml_emitter_t *emitter); - -/** @} */ - -#ifdef __cplusplus -} -#endif - -#endif /* #ifndef YAML_H */ diff --git a/ext/yaml_private.h b/ext/yaml_private.h deleted file mode 100644 index caa713d..0000000 --- a/ext/yaml_private.h +++ /dev/null @@ -1,683 +0,0 @@ - -#include "config.h" - -#include "yaml.h" - -#include -#include -#include - -/* - * Memory management. - */ - -YAML_DECLARE(void *) -yaml_malloc(size_t size); - -YAML_DECLARE(void *) -yaml_realloc(void *ptr, size_t size); - -YAML_DECLARE(void) -yaml_free(void *ptr); - -YAML_DECLARE(yaml_char_t *) -yaml_strdup(const yaml_char_t *); - -/* - * Reader: Ensure that the buffer contains at least `length` characters. - */ - -YAML_DECLARE(int) -yaml_parser_update_buffer(yaml_parser_t *parser, size_t length); - -/* - * Scanner: Ensure that the token stack contains at least one token ready. - */ - -YAML_DECLARE(int) -yaml_parser_fetch_more_tokens(yaml_parser_t *parser); - -/* - * The size of the input raw buffer. - */ - -#define INPUT_RAW_BUFFER_SIZE 16384 - -/* - * The size of the input buffer. - * - * It should be possible to decode the whole raw buffer. - */ - -#define INPUT_BUFFER_SIZE (INPUT_RAW_BUFFER_SIZE*3) - -/* - * The size of the output buffer. - */ - -#define OUTPUT_BUFFER_SIZE 16384 - -/* - * The size of the output raw buffer. - * - * It should be possible to encode the whole output buffer. - */ - -#define OUTPUT_RAW_BUFFER_SIZE (OUTPUT_BUFFER_SIZE*2+2) - -/* - * The maximum size of a YAML input file. - * This used to be PTRDIFF_MAX, but that's not entirely portable - * because stdint.h isn't available on all platforms. - * It is not entirely clear why this isn't the maximum value - * that can fit into the parser->offset field. - */ - -#define MAX_FILE_SIZE (~(size_t)0 / 2) - - -/* - * The size of other stacks and queues. - */ - -#define INITIAL_STACK_SIZE 16 -#define INITIAL_QUEUE_SIZE 16 -#define INITIAL_STRING_SIZE 16 - -/* - * Buffer management. - */ - -#define BUFFER_INIT(context,buffer,size) \ - (((buffer).start = YAML_MALLOC(size)) ? \ - ((buffer).last = (buffer).pointer = (buffer).start, \ - (buffer).end = (buffer).start+(size), \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define BUFFER_DEL(context,buffer) \ - (yaml_free((buffer).start), \ - (buffer).start = (buffer).pointer = (buffer).end = 0) - -/* - * String management. - */ - -typedef struct { - yaml_char_t *start; - yaml_char_t *end; - yaml_char_t *pointer; -} yaml_string_t; - -YAML_DECLARE(int) -yaml_string_extend(yaml_char_t **start, - yaml_char_t **pointer, yaml_char_t **end); - -YAML_DECLARE(int) -yaml_string_join( - yaml_char_t **a_start, yaml_char_t **a_pointer, yaml_char_t **a_end, - yaml_char_t **b_start, yaml_char_t **b_pointer, yaml_char_t **b_end); - -#define NULL_STRING { NULL, NULL, NULL } - -#define STRING(string,length) { (string), (string)+(length), (string) } - -#define STRING_ASSIGN(value,string,length) \ - ((value).start = (string), \ - (value).end = (string)+(length), \ - (value).pointer = (string)) - -#define STRING_INIT(context,string,size) \ - (((string).start = YAML_MALLOC(size)) ? \ - ((string).pointer = (string).start, \ - (string).end = (string).start+(size), \ - memset((string).start, 0, (size)), \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define STRING_DEL(context,string) \ - (yaml_free((string).start), \ - (string).start = (string).pointer = (string).end = 0) - -#define STRING_EXTEND(context,string) \ - ((((string).pointer+5 < (string).end) \ - || yaml_string_extend(&(string).start, \ - &(string).pointer, &(string).end)) ? \ - 1 : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define CLEAR(context,string) \ - ((string).pointer = (string).start, \ - memset((string).start, 0, (string).end-(string).start)) - -#define JOIN(context,string_a,string_b) \ - ((yaml_string_join(&(string_a).start, &(string_a).pointer, \ - &(string_a).end, &(string_b).start, \ - &(string_b).pointer, &(string_b).end)) ? \ - ((string_b).pointer = (string_b).start, \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -/* - * String check operations. - */ - -/* - * Check the octet at the specified position. - */ - -#define CHECK_AT(string,octet,offset) \ - ((string).pointer[offset] == (yaml_char_t)(octet)) - -/* - * Check the current octet in the buffer. - */ - -#define CHECK(string,octet) CHECK_AT((string),(octet),0) - -/* - * Check if the character at the specified position is an alphabetical - * character, a digit, '_', or '-'. - */ - -#define IS_ALPHA_AT(string,offset) \ - (((string).pointer[offset] >= (yaml_char_t) '0' && \ - (string).pointer[offset] <= (yaml_char_t) '9') || \ - ((string).pointer[offset] >= (yaml_char_t) 'A' && \ - (string).pointer[offset] <= (yaml_char_t) 'Z') || \ - ((string).pointer[offset] >= (yaml_char_t) 'a' && \ - (string).pointer[offset] <= (yaml_char_t) 'z') || \ - (string).pointer[offset] == '_' || \ - (string).pointer[offset] == '-') - -#define IS_ALPHA(string) IS_ALPHA_AT((string),0) - -/* - * Check if the character at the specified position is a digit. - */ - -#define IS_DIGIT_AT(string,offset) \ - (((string).pointer[offset] >= (yaml_char_t) '0' && \ - (string).pointer[offset] <= (yaml_char_t) '9')) - -#define IS_DIGIT(string) IS_DIGIT_AT((string),0) - -/* - * Get the value of a digit. - */ - -#define AS_DIGIT_AT(string,offset) \ - ((string).pointer[offset] - (yaml_char_t) '0') - -#define AS_DIGIT(string) AS_DIGIT_AT((string),0) - -/* - * Check if the character at the specified position is a hex-digit. - */ - -#define IS_HEX_AT(string,offset) \ - (((string).pointer[offset] >= (yaml_char_t) '0' && \ - (string).pointer[offset] <= (yaml_char_t) '9') || \ - ((string).pointer[offset] >= (yaml_char_t) 'A' && \ - (string).pointer[offset] <= (yaml_char_t) 'F') || \ - ((string).pointer[offset] >= (yaml_char_t) 'a' && \ - (string).pointer[offset] <= (yaml_char_t) 'f')) - -#define IS_HEX(string) IS_HEX_AT((string),0) - -/* - * Get the value of a hex-digit. - */ - -#define AS_HEX_AT(string,offset) \ - (((string).pointer[offset] >= (yaml_char_t) 'A' && \ - (string).pointer[offset] <= (yaml_char_t) 'F') ? \ - ((string).pointer[offset] - (yaml_char_t) 'A' + 10) : \ - ((string).pointer[offset] >= (yaml_char_t) 'a' && \ - (string).pointer[offset] <= (yaml_char_t) 'f') ? \ - ((string).pointer[offset] - (yaml_char_t) 'a' + 10) : \ - ((string).pointer[offset] - (yaml_char_t) '0')) - -#define AS_HEX(string) AS_HEX_AT((string),0) - -/* - * Check if the character is ASCII. - */ - -#define IS_ASCII_AT(string,offset) \ - ((string).pointer[offset] <= (yaml_char_t) '\x7F') - -#define IS_ASCII(string) IS_ASCII_AT((string),0) - -/* - * Check if the character can be printed unescaped. - */ - -#define IS_PRINTABLE_AT(string,offset) \ - (((string).pointer[offset] == 0x0A) /* . == #x0A */ \ - || ((string).pointer[offset] >= 0x20 /* #x20 <= . <= #x7E */ \ - && (string).pointer[offset] <= 0x7E) \ - || ((string).pointer[offset] == 0xC2 /* #0xA0 <= . <= #xD7FF */ \ - && (string).pointer[offset+1] >= 0xA0) \ - || ((string).pointer[offset] > 0xC2 \ - && (string).pointer[offset] < 0xED) \ - || ((string).pointer[offset] == 0xED \ - && (string).pointer[offset+1] < 0xA0) \ - || ((string).pointer[offset] == 0xEE) \ - || ((string).pointer[offset] == 0xEF /* #xE000 <= . <= #xFFFD */ \ - && !((string).pointer[offset+1] == 0xBB /* && . != #xFEFF */ \ - && (string).pointer[offset+2] == 0xBF) \ - && !((string).pointer[offset+1] == 0xBF \ - && ((string).pointer[offset+2] == 0xBE \ - || (string).pointer[offset+2] == 0xBF)))) - -#define IS_PRINTABLE(string) IS_PRINTABLE_AT((string),0) - -/* - * Check if the character at the specified position is NUL. - */ - -#define IS_Z_AT(string,offset) CHECK_AT((string),'\0',(offset)) - -#define IS_Z(string) IS_Z_AT((string),0) - -/* - * Check if the character at the specified position is BOM. - */ - -#define IS_BOM_AT(string,offset) \ - (CHECK_AT((string),'\xEF',(offset)) \ - && CHECK_AT((string),'\xBB',(offset)+1) \ - && CHECK_AT((string),'\xBF',(offset)+2)) /* BOM (#xFEFF) */ - -#define IS_BOM(string) IS_BOM_AT(string,0) - -/* - * Check if the character at the specified position is space. - */ - -#define IS_SPACE_AT(string,offset) CHECK_AT((string),' ',(offset)) - -#define IS_SPACE(string) IS_SPACE_AT((string),0) - -/* - * Check if the character at the specified position is tab. - */ - -#define IS_TAB_AT(string,offset) CHECK_AT((string),'\t',(offset)) - -#define IS_TAB(string) IS_TAB_AT((string),0) - -/* - * Check if the character at the specified position is blank (space or tab). - */ - -#define IS_BLANK_AT(string,offset) \ - (IS_SPACE_AT((string),(offset)) || IS_TAB_AT((string),(offset))) - -#define IS_BLANK(string) IS_BLANK_AT((string),0) - -/* - * Check if the character at the specified position is a line break. - */ - -#define IS_BREAK_AT(string,offset) \ - (CHECK_AT((string),'\r',(offset)) /* CR (#xD)*/ \ - || CHECK_AT((string),'\n',(offset)) /* LF (#xA) */ \ - || (CHECK_AT((string),'\xC2',(offset)) \ - && CHECK_AT((string),'\x85',(offset)+1)) /* NEL (#x85) */ \ - || (CHECK_AT((string),'\xE2',(offset)) \ - && CHECK_AT((string),'\x80',(offset)+1) \ - && CHECK_AT((string),'\xA8',(offset)+2)) /* LS (#x2028) */ \ - || (CHECK_AT((string),'\xE2',(offset)) \ - && CHECK_AT((string),'\x80',(offset)+1) \ - && CHECK_AT((string),'\xA9',(offset)+2))) /* PS (#x2029) */ - -#define IS_BREAK(string) IS_BREAK_AT((string),0) - -#define IS_CRLF_AT(string,offset) \ - (CHECK_AT((string),'\r',(offset)) && CHECK_AT((string),'\n',(offset)+1)) - -#define IS_CRLF(string) IS_CRLF_AT((string),0) - -/* - * Check if the character is a line break or NUL. - */ - -#define IS_BREAKZ_AT(string,offset) \ - (IS_BREAK_AT((string),(offset)) || IS_Z_AT((string),(offset))) - -#define IS_BREAKZ(string) IS_BREAKZ_AT((string),0) - -/* - * Check if the character is a line break, space, or NUL. - */ - -#define IS_SPACEZ_AT(string,offset) \ - (IS_SPACE_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset))) - -#define IS_SPACEZ(string) IS_SPACEZ_AT((string),0) - -/* - * Check if the character is a line break, space, tab, or NUL. - */ - -#define IS_BLANKZ_AT(string,offset) \ - (IS_BLANK_AT((string),(offset)) || IS_BREAKZ_AT((string),(offset))) - -#define IS_BLANKZ(string) IS_BLANKZ_AT((string),0) - -/* - * Determine the width of the character. - */ - -#define WIDTH_AT(string,offset) \ - (((string).pointer[offset] & 0x80) == 0x00 ? 1 : \ - ((string).pointer[offset] & 0xE0) == 0xC0 ? 2 : \ - ((string).pointer[offset] & 0xF0) == 0xE0 ? 3 : \ - ((string).pointer[offset] & 0xF8) == 0xF0 ? 4 : 0) - -#define WIDTH(string) WIDTH_AT((string),0) - -/* - * Move the string pointer to the next character. - */ - -#define MOVE(string) ((string).pointer += WIDTH((string))) - -/* - * Copy a character and move the pointers of both strings. - */ - -#define COPY(string_a,string_b) \ - ((*(string_b).pointer & 0x80) == 0x00 ? \ - (*((string_a).pointer++) = *((string_b).pointer++)) : \ - (*(string_b).pointer & 0xE0) == 0xC0 ? \ - (*((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++)) : \ - (*(string_b).pointer & 0xF0) == 0xE0 ? \ - (*((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++)) : \ - (*(string_b).pointer & 0xF8) == 0xF0 ? \ - (*((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++), \ - *((string_a).pointer++) = *((string_b).pointer++)) : 0) - -/* - * Stack and queue management. - */ - -YAML_DECLARE(int) -yaml_stack_extend(void **start, void **top, void **end); - -YAML_DECLARE(int) -yaml_queue_extend(void **start, void **head, void **tail, void **end); - -#define STACK_INIT(context,stack,type) \ - (((stack).start = (type)yaml_malloc(INITIAL_STACK_SIZE*sizeof(*(stack).start))) ? \ - ((stack).top = (stack).start, \ - (stack).end = (stack).start+INITIAL_STACK_SIZE, \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define STACK_DEL(context,stack) \ - (yaml_free((stack).start), \ - (stack).start = (stack).top = (stack).end = 0) - -#define STACK_EMPTY(context,stack) \ - ((stack).start == (stack).top) - -#define STACK_LIMIT(context,stack,size) \ - ((stack).top - (stack).start < (size) ? \ - 1 : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define PUSH(context,stack,value) \ - (((stack).top != (stack).end \ - || yaml_stack_extend((void **)&(stack).start, \ - (void **)&(stack).top, (void **)&(stack).end)) ? \ - (*((stack).top++) = value, \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define POP(context,stack) \ - (*(--(stack).top)) - -#define QUEUE_INIT(context,queue,size,type) \ - (((queue).start = (type)yaml_malloc((size)*sizeof(*(queue).start))) ? \ - ((queue).head = (queue).tail = (queue).start, \ - (queue).end = (queue).start+(size), \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define QUEUE_DEL(context,queue) \ - (yaml_free((queue).start), \ - (queue).start = (queue).head = (queue).tail = (queue).end = 0) - -#define QUEUE_EMPTY(context,queue) \ - ((queue).head == (queue).tail) - -#define ENQUEUE(context,queue,value) \ - (((queue).tail != (queue).end \ - || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \ - (void **)&(queue).tail, (void **)&(queue).end)) ? \ - (*((queue).tail++) = value, \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -#define DEQUEUE(context,queue) \ - (*((queue).head++)) - -#define QUEUE_INSERT(context,queue,index,value) \ - (((queue).tail != (queue).end \ - || yaml_queue_extend((void **)&(queue).start, (void **)&(queue).head, \ - (void **)&(queue).tail, (void **)&(queue).end)) ? \ - (memmove((queue).head+(index)+1,(queue).head+(index), \ - ((queue).tail-(queue).head-(index))*sizeof(*(queue).start)), \ - *((queue).head+(index)) = value, \ - (queue).tail++, \ - 1) : \ - ((context)->error = YAML_MEMORY_ERROR, \ - 0)) - -/* - * Token initializers. - */ - -#define TOKEN_INIT(token,token_type,token_start_mark,token_end_mark) \ - (memset(&(token), 0, sizeof(yaml_token_t)), \ - (token).type = (token_type), \ - (token).start_mark = (token_start_mark), \ - (token).end_mark = (token_end_mark)) - -#define STREAM_START_TOKEN_INIT(token,token_encoding,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_STREAM_START_TOKEN,(start_mark),(end_mark)), \ - (token).data.stream_start.encoding = (token_encoding)) - -#define STREAM_END_TOKEN_INIT(token,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_STREAM_END_TOKEN,(start_mark),(end_mark))) - -#define ALIAS_TOKEN_INIT(token,token_value,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_ALIAS_TOKEN,(start_mark),(end_mark)), \ - (token).data.alias.value = (token_value)) - -#define ANCHOR_TOKEN_INIT(token,token_value,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_ANCHOR_TOKEN,(start_mark),(end_mark)), \ - (token).data.anchor.value = (token_value)) - -#define TAG_TOKEN_INIT(token,token_handle,token_suffix,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_TAG_TOKEN,(start_mark),(end_mark)), \ - (token).data.tag.handle = (token_handle), \ - (token).data.tag.suffix = (token_suffix)) - -#define SCALAR_TOKEN_INIT(token,token_value,token_length,token_style,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_SCALAR_TOKEN,(start_mark),(end_mark)), \ - (token).data.scalar.value = (token_value), \ - (token).data.scalar.length = (token_length), \ - (token).data.scalar.style = (token_style)) - -#define VERSION_DIRECTIVE_TOKEN_INIT(token,token_major,token_minor,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_VERSION_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \ - (token).data.version_directive.major = (token_major), \ - (token).data.version_directive.minor = (token_minor)) - -#define TAG_DIRECTIVE_TOKEN_INIT(token,token_handle,token_prefix,start_mark,end_mark) \ - (TOKEN_INIT((token),YAML_TAG_DIRECTIVE_TOKEN,(start_mark),(end_mark)), \ - (token).data.tag_directive.handle = (token_handle), \ - (token).data.tag_directive.prefix = (token_prefix)) - -/* - * Event initializers. - */ - -#define EVENT_INIT(event,event_type,event_start_mark,event_end_mark) \ - (memset(&(event), 0, sizeof(yaml_event_t)), \ - (event).type = (event_type), \ - (event).start_mark = (event_start_mark), \ - (event).end_mark = (event_end_mark)) - -#define STREAM_START_EVENT_INIT(event,event_encoding,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_STREAM_START_EVENT,(start_mark),(end_mark)), \ - (event).data.stream_start.encoding = (event_encoding)) - -#define STREAM_END_EVENT_INIT(event,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_STREAM_END_EVENT,(start_mark),(end_mark))) - -#define DOCUMENT_START_EVENT_INIT(event,event_version_directive, \ - event_tag_directives_start,event_tag_directives_end,event_implicit,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_DOCUMENT_START_EVENT,(start_mark),(end_mark)), \ - (event).data.document_start.version_directive = (event_version_directive), \ - (event).data.document_start.tag_directives.start = (event_tag_directives_start), \ - (event).data.document_start.tag_directives.end = (event_tag_directives_end), \ - (event).data.document_start.implicit = (event_implicit)) - -#define DOCUMENT_END_EVENT_INIT(event,event_implicit,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_DOCUMENT_END_EVENT,(start_mark),(end_mark)), \ - (event).data.document_end.implicit = (event_implicit)) - -#define ALIAS_EVENT_INIT(event,event_anchor,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_ALIAS_EVENT,(start_mark),(end_mark)), \ - (event).data.alias.anchor = (event_anchor)) - -#define SCALAR_EVENT_INIT(event,event_anchor,event_tag,event_value,event_length, \ - event_plain_implicit, event_quoted_implicit,event_style,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_SCALAR_EVENT,(start_mark),(end_mark)), \ - (event).data.scalar.anchor = (event_anchor), \ - (event).data.scalar.tag = (event_tag), \ - (event).data.scalar.value = (event_value), \ - (event).data.scalar.length = (event_length), \ - (event).data.scalar.plain_implicit = (event_plain_implicit), \ - (event).data.scalar.quoted_implicit = (event_quoted_implicit), \ - (event).data.scalar.style = (event_style)) - -#define SEQUENCE_START_EVENT_INIT(event,event_anchor,event_tag, \ - event_implicit,event_style,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_SEQUENCE_START_EVENT,(start_mark),(end_mark)), \ - (event).data.sequence_start.anchor = (event_anchor), \ - (event).data.sequence_start.tag = (event_tag), \ - (event).data.sequence_start.implicit = (event_implicit), \ - (event).data.sequence_start.style = (event_style)) - -#define SEQUENCE_END_EVENT_INIT(event,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_SEQUENCE_END_EVENT,(start_mark),(end_mark))) - -#define MAPPING_START_EVENT_INIT(event,event_anchor,event_tag, \ - event_implicit,event_style,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_MAPPING_START_EVENT,(start_mark),(end_mark)), \ - (event).data.mapping_start.anchor = (event_anchor), \ - (event).data.mapping_start.tag = (event_tag), \ - (event).data.mapping_start.implicit = (event_implicit), \ - (event).data.mapping_start.style = (event_style)) - -#define MAPPING_END_EVENT_INIT(event,start_mark,end_mark) \ - (EVENT_INIT((event),YAML_MAPPING_END_EVENT,(start_mark),(end_mark))) - -/* - * Document initializer. - */ - -#define DOCUMENT_INIT(document,document_nodes_start,document_nodes_end, \ - document_version_directive,document_tag_directives_start, \ - document_tag_directives_end,document_start_implicit, \ - document_end_implicit,document_start_mark,document_end_mark) \ - (memset(&(document), 0, sizeof(yaml_document_t)), \ - (document).nodes.start = (document_nodes_start), \ - (document).nodes.end = (document_nodes_end), \ - (document).nodes.top = (document_nodes_start), \ - (document).version_directive = (document_version_directive), \ - (document).tag_directives.start = (document_tag_directives_start), \ - (document).tag_directives.end = (document_tag_directives_end), \ - (document).start_implicit = (document_start_implicit), \ - (document).end_implicit = (document_end_implicit), \ - (document).start_mark = (document_start_mark), \ - (document).end_mark = (document_end_mark)) - -/* - * Node initializers. - */ - -#define NODE_INIT(node,node_type,node_tag,node_start_mark,node_end_mark) \ - (memset(&(node), 0, sizeof(yaml_node_t)), \ - (node).type = (node_type), \ - (node).tag = (node_tag), \ - (node).start_mark = (node_start_mark), \ - (node).end_mark = (node_end_mark)) - -#define SCALAR_NODE_INIT(node,node_tag,node_value,node_length, \ - node_style,start_mark,end_mark) \ - (NODE_INIT((node),YAML_SCALAR_NODE,(node_tag),(start_mark),(end_mark)), \ - (node).data.scalar.value = (node_value), \ - (node).data.scalar.length = (node_length), \ - (node).data.scalar.style = (node_style)) - -#define SEQUENCE_NODE_INIT(node,node_tag,node_items_start,node_items_end, \ - node_style,start_mark,end_mark) \ - (NODE_INIT((node),YAML_SEQUENCE_NODE,(node_tag),(start_mark),(end_mark)), \ - (node).data.sequence.items.start = (node_items_start), \ - (node).data.sequence.items.end = (node_items_end), \ - (node).data.sequence.items.top = (node_items_start), \ - (node).data.sequence.style = (node_style)) - -#define MAPPING_NODE_INIT(node,node_tag,node_pairs_start,node_pairs_end, \ - node_style,start_mark,end_mark) \ - (NODE_INIT((node),YAML_MAPPING_NODE,(node_tag),(start_mark),(end_mark)), \ - (node).data.mapping.pairs.start = (node_pairs_start), \ - (node).data.mapping.pairs.end = (node_pairs_end), \ - (node).data.mapping.pairs.top = (node_pairs_start), \ - (node).data.mapping.style = (node_style)) - -/* Strict C compiler warning helpers */ - -#if defined(__clang__) || defined(__GNUC__) -# define HASATTRIBUTE_UNUSED -#endif -#ifdef HASATTRIBUTE_UNUSED -# define __attribute__unused__ __attribute__((__unused__)) -#else -# define __attribute__unused__ -#endif - -/* Shim arguments are arguments that must be included in your function, - * but serve no purpose inside. Silence compiler warnings. */ -#define SHIM(a) /*@unused@*/ a __attribute__unused__ - -/* UNUSED_PARAM() marks a shim argument in the body to silence compiler warnings */ -#ifdef __clang__ -# define UNUSED_PARAM(a) (void)(a); -#else -# define UNUSED_PARAM(a) /*@-noeffect*/if (0) (void)(a)/*@=noeffect*/; -#endif - -#define YAML_MALLOC_STATIC(type) (type*)yaml_malloc(sizeof(type)) -#define YAML_MALLOC(size) (yaml_char_t *)yaml_malloc(size) diff --git a/setup.py b/setup.py index 5d9dc9e..644f916 100644 --- a/setup.py +++ b/setup.py @@ -317,6 +317,7 @@ class InMemoryZipFile(object): self.zip_file = zipfile # Create the in-memory file-like object self._file_name = file_name + self._removed_names = [] self.in_memory_data = StringIO() # Create the in-memory zipfile self.in_memory_zip = self.zip_file.ZipFile( @@ -326,7 +327,23 @@ class InMemoryZipFile(object): def append(self, filename_in_zip, file_contents): """Appends a file with name filename_in_zip and contents of - file_contents to the in-memory zip.""" + file_contents to the in-memory zip. + """ + if filename_in_zip.endswith('.dist-info/RECORD') and self._removed_names: + # this is normally the last file + # remove any names filtered, to placate auditwheel + convert = not isinstance(file_contents, string_type) + if convert: + file_contents = file_contents.decode('utf-8') + outlines = [] + for line in file_contents.splitlines(True): + for fn in self._removed_names: + fn = fn + ',' # comma is the record seperator in RECORD + if line.startswith(fn): + break + else: + outlines.append(line) + file_contents = ''.join(outlines) self.in_memory_zip.writestr(filename_in_zip, file_contents) return self # so you can daisy-chain @@ -351,8 +368,9 @@ class InMemoryZipFile(object): def delete_from_zip_file(self, pattern=None, file_names=None): """ zip_file can be a string or a zipfile.ZipFile object, the latter will be closed - any name in file_names is deleted, all file_names provided have to be in the ZIP - archive or else an IOError is raised + any name in file_names is deleted from the list of files to write to the new zip + (using .append) + all file_names provided have to be in the ZIP archive or else an IOError is raised """ if pattern and isinstance(pattern, string_type): import re @@ -367,8 +385,10 @@ class InMemoryZipFile(object): for l in zf.infolist(): if l.filename in file_names: file_names.remove(l.filename) + self._removed_names.append(l.filename) continue if pattern and pattern.match(l.filename): + self._removed_names.append(l.filename) continue self.append(l.filename, zf.read(l)) if file_names: @@ -766,6 +786,8 @@ class NameSpacePackager(object): df.append('LICENSE') # but don't install it exclude_files.append('LICENSE') + if self._pkg_data.get('binary_only', False): + exclude_files.append('__init__.py') debug('testing<<<<<') if 'Typing :: Typed' in self.classifiers: debug('appending') @@ -1005,15 +1027,21 @@ def main(): d = os.path.join(dist_base, nsp.full_package_name) else: d = 'dist' + dashed_vs = '-' + version_str + '-' + latest_mtime = -1 + full_name = None for x in os.listdir(d): - dashed_vs = '-' + version_str + '-' if x.endswith('.whl') and dashed_vs in x: # remove .pth file from the wheel - full_name = os.path.join(d, x) - print('patching .pth from', full_name) - with InMemoryZipFile(full_name) as imz: - imz.delete_from_zip_file(nsp.full_package_name + '.*.pth') - break + fn = os.path.join(d, x) + if os.path.getmtime(fn) > latest_mtime: + full_name = fn + if full_name is None: + print('no wheel file found in', d) + else: + print('patching .pth from {}'.format(full_name)) + with InMemoryZipFile(full_name) as imz: + imz.delete_from_zip_file(nsp.full_package_name + '.*.pth') return for x in ['-c', 'egg_info', '--egg-base', 'pip-egg-info']: if x not in sys.argv: -- cgit v1.2.1