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authorNaoki INADA <inada-n@eagle>2009-06-22 14:38:36 +0900
committerNaoki INADA <inada-n@eagle>2009-06-22 14:38:36 +0900
commit20a7ff0be80a1467f7375adc1b0645d2d8f2cf05 (patch)
tree78249271a0971070d1bba1419c054f963b725648 /python/msgpack/unpack.h
parent075081a521c8287759847f1aa846b88fef1f0046 (diff)
parent3a9f74e79c3d1912d8c0c1ad4d1478c611caba0a (diff)
downloadmsgpack-python-20a7ff0be80a1467f7375adc1b0645d2d8f2cf05.tar.gz
Make msgpack package instead of module. and using Cython in setup script.
Diffstat (limited to 'python/msgpack/unpack.h')
-rw-r--r--python/msgpack/unpack.h179
1 files changed, 179 insertions, 0 deletions
diff --git a/python/msgpack/unpack.h b/python/msgpack/unpack.h
new file mode 100644
index 0000000..694e816
--- /dev/null
+++ b/python/msgpack/unpack.h
@@ -0,0 +1,179 @@
+/*
+ * MessagePack for Python unpacking routine
+ *
+ * Copyright (C) 2009 Naoki INADA
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <map>
+#include <string>
+
+#define MSGPACK_MAX_STACK_SIZE (1024)
+#include "msgpack/unpack_define.h"
+
+using namespace std;
+
+typedef struct unpack_user {
+ struct array_stack_type{unsigned int size, last;};
+ array_stack_type array_stack[MSGPACK_MAX_STACK_SIZE];
+ int array_current;
+
+ map<string, PyObject*> str_cache;
+
+ ~unpack_user() {
+ map<string, PyObject*>::iterator it, itend;
+ itend = str_cache.end();
+ for (it = str_cache.begin(); it != itend; ++it) {
+ Py_DECREF(it->second);
+ }
+ }
+} unpack_user;
+
+
+#define msgpack_unpack_struct(name) \
+ struct template ## name
+
+#define msgpack_unpack_func(ret, name) \
+ static inline ret template ## name
+
+#define msgpack_unpack_callback(name) \
+ template_callback ## name
+
+#define msgpack_unpack_object PyObject*
+
+#define msgpack_unpack_user unpack_user
+
+
+struct template_context;
+typedef struct template_context template_context;
+
+static inline msgpack_unpack_object template_callback_root(unpack_user* u)
+{
+ u->array_current = -1;
+ return NULL;
+}
+
+static inline int template_callback_uint8(unpack_user* u, uint8_t d, msgpack_unpack_object* o)
+{ *o = PyInt_FromLong((long)d); return 0; }
+
+static inline int template_callback_uint16(unpack_user* u, uint16_t d, msgpack_unpack_object* o)
+{ *o = PyInt_FromLong((long)d); return 0; }
+
+static inline int template_callback_uint32(unpack_user* u, uint32_t d, msgpack_unpack_object* o)
+{
+ if (d > LONG_MAX) {
+ *o = PyLong_FromUnsignedLong((unsigned long)d);
+ } else {
+ *o = PyInt_FromLong((long)d);
+ }
+ return 0;
+}
+
+static inline int template_callback_uint64(unpack_user* u, uint64_t d, msgpack_unpack_object* o)
+{ *o = PyLong_FromUnsignedLongLong(d); return 0; }
+
+static inline int template_callback_int8(unpack_user* u, int8_t d, msgpack_unpack_object* o)
+{ *o = PyInt_FromLong(d); return 0; }
+
+static inline int template_callback_int16(unpack_user* u, int16_t d, msgpack_unpack_object* o)
+{ *o = PyInt_FromLong(d); return 0; }
+
+static inline int template_callback_int32(unpack_user* u, int32_t d, msgpack_unpack_object* o)
+{ *o = PyInt_FromLong(d); return 0; }
+
+static inline int template_callback_int64(unpack_user* u, int64_t d, msgpack_unpack_object* o)
+{ *o = PyLong_FromLongLong(d); return 0; }
+
+static inline int template_callback_float(unpack_user* u, float d, msgpack_unpack_object* o)
+{ *o = PyFloat_FromDouble((double)d); return 0; }
+
+static inline int template_callback_double(unpack_user* u, double d, msgpack_unpack_object* o)
+{ *o = PyFloat_FromDouble(d); return 0; }
+
+static inline int template_callback_nil(unpack_user* u, msgpack_unpack_object* o)
+{ Py_INCREF(Py_None); *o = Py_None; return 0; }
+
+static inline int template_callback_true(unpack_user* u, msgpack_unpack_object* o)
+{ Py_INCREF(Py_True); *o = Py_True; return 0; }
+
+static inline int template_callback_false(unpack_user* u, msgpack_unpack_object* o)
+{ Py_INCREF(Py_False); *o = Py_False; return 0; }
+
+static inline int template_callback_array(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
+{
+ if (n > 0) {
+ int cur = ++u->array_current;
+ u->array_stack[cur].size = n;
+ u->array_stack[cur].last = 0;
+ *o = PyList_New(n);
+ }
+ else {
+ *o = PyList_New(0);
+ }
+ return 0;
+}
+
+static inline int template_callback_array_item(unpack_user* u, msgpack_unpack_object* c, msgpack_unpack_object o)
+{
+ int cur = u->array_current;
+ int n = u->array_stack[cur].size;
+ int last = u->array_stack[cur].last;
+
+ PyList_SetItem(*c, last, o);
+ last++;
+ if (last >= n) {
+ u->array_current--;
+ }
+ else {
+ u->array_stack[cur].last = last;
+ }
+ return 0;
+}
+
+static inline int template_callback_map(unpack_user* u, unsigned int n, msgpack_unpack_object* o)
+{
+ *o = PyDict_New();
+ return 0;
+}
+
+static inline int template_callback_map_item(unpack_user* u, msgpack_unpack_object* c, msgpack_unpack_object k, msgpack_unpack_object v)
+{
+ PyDict_SetItem(*c, k, v);
+ Py_DECREF(k);
+ Py_DECREF(v);
+ return 0;
+}
+
+static inline int template_callback_raw(unpack_user* u, const char* b, const char* p, unsigned int l, msgpack_unpack_object* o)
+{
+ if (l < 16) {
+ string s(p, l);
+ map<string,PyObject*>::iterator it = u->str_cache.find(s);
+ if (it != u->str_cache.end()) {
+ *o = it->second;
+ Py_INCREF(*o);
+ }
+ else {
+ *o = PyString_FromStringAndSize(p, l);
+ Py_INCREF(*o);
+ u->str_cache[s] = *o;
+ }
+ }
+ else {
+ *o = PyString_FromStringAndSize(p, l);
+ }
+ return 0;
+}
+
+#include "msgpack/unpack_template.h"