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Diffstat (limited to 'src/third_party/boost-1.69.0/libs/serialization/src/basic_xml_grammar.ipp')
-rw-r--r-- | src/third_party/boost-1.69.0/libs/serialization/src/basic_xml_grammar.ipp | 468 |
1 files changed, 468 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/libs/serialization/src/basic_xml_grammar.ipp b/src/third_party/boost-1.69.0/libs/serialization/src/basic_xml_grammar.ipp new file mode 100644 index 00000000000..dcec1cc6bee --- /dev/null +++ b/src/third_party/boost-1.69.0/libs/serialization/src/basic_xml_grammar.ipp @@ -0,0 +1,468 @@ +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// basic_xml_grammar.ipp: + +// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com . +// Use, modification and distribution is subject to the Boost Software +// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at +// http://www.boost.org/LICENSE_1_0.txt) + +// See http://www.boost.org for updates, documentation, and revision history. + +#if (defined _MSC_VER) && (_MSC_VER == 1200) +# pragma warning (disable : 4786) // too long name, harmless warning +#endif + +#include <istream> +#include <algorithm> +#include <boost/config.hpp> // typename + +#ifdef BOOST_MSVC +# pragma warning(push) +# pragma warning(disable : 4244 4511 4512) +#endif + +#include <cerrno> // errno +#include <cstring> // strerror(errno) + +// spirit stuff +#include <boost/spirit/include/classic_operators.hpp> +#include <boost/spirit/include/classic_actions.hpp> +#include <boost/spirit/include/classic_numerics.hpp> + +#ifdef BOOST_MSVC +#pragma warning(pop) +#endif + +// for head_iterator test +#include <boost/function.hpp> + +#include <boost/io/ios_state.hpp> +#include <boost/serialization/throw_exception.hpp> +#include <boost/archive/impl/basic_xml_grammar.hpp> +#include <boost/archive/xml_archive_exception.hpp> +#include <boost/archive/basic_xml_archive.hpp> +#include <boost/archive/iterators/xml_unescape.hpp> + +using namespace boost::spirit::classic; + +namespace boost { +namespace archive { + +/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 +// template code for basic_xml_grammar of both wchar_t and char types + +namespace xml { // anonymous + +#ifdef BOOST_MSVC +# pragma warning(push) +# pragma warning(disable : 4511 4512) +#endif + +template<class T> +struct assign_impl { + T & t; + void operator()(const T t_) const { + t = t_; + } + assign_impl(T & t_) + : t(t_) + {} +}; + +template<> +struct assign_impl<std::string> { + std::string & t; + void operator()( + std::string::const_iterator b, + std::string::const_iterator e + ) const { + t.resize(0); + while(b != e){ + t += * b; + ++b; + } + } + assign_impl<std::string> & operator=( + assign_impl<std::string> & rhs + ); + assign_impl(std::string & t_) + : t(t_) + {} +}; + +#ifndef BOOST_NO_STD_WSTRING +template<> +struct assign_impl<std::wstring> { + std::wstring & t; + void operator()( + std::wstring::const_iterator b, + std::wstring::const_iterator e + ) const { + t.resize(0); + while(b != e){ + t += * b; + ++b; + } + } + assign_impl(std::wstring & t_) + : t(t_) + {} +}; +#endif + +template<class T> +assign_impl<T> assign_object(T &t){ + return assign_impl<T>(t); +} + +struct assign_level { + tracking_type & tracking_level; + void operator()(const unsigned int tracking_level_) const { + tracking_level = (0 == tracking_level_) ? false : true; + } + assign_level(tracking_type & tracking_level_) + : tracking_level(tracking_level_) + {} +}; + +template<class String, class Iterator> +struct append_string { + String & contents; + void operator()(Iterator start, Iterator end) const { + #if 0 + typedef boost::archive::iterators::xml_unescape<Iterator> translator; + contents.append( + translator(BOOST_MAKE_PFTO_WRAPPER(start)), + translator(BOOST_MAKE_PFTO_WRAPPER(end)) + ); + #endif + contents.append(start, end); + } + append_string(String & contents_) + : contents(contents_) + {} +}; + +template<class String> +struct append_char { + String & contents; + void operator()(const unsigned int char_value) const { + contents += static_cast<typename String::value_type>(char_value); + } + append_char(String & contents_) + : contents(contents_) + {} +}; + +template<class String, unsigned int c> +struct append_lit { + String & contents; + template<class X, class Y> + void operator()(const X & /*x*/, const Y & /*y*/) const { + const typename String::value_type z = c; + contents += z; + } + append_lit(String & contents_) + : contents(contents_) + {} +}; + +#ifdef BOOST_MSVC +#pragma warning(pop) +#endif + +} // namespace anonymous + +template<class CharType> +bool basic_xml_grammar<CharType>::my_parse( + typename basic_xml_grammar<CharType>::IStream & is, + const rule_t & rule_, + CharType delimiter +) const { + if(is.fail()){ + return false; + } + + is >> std::noskipws; + + std::basic_string<CharType> arg; + + for(;;){ + CharType result; + is.get(result); + if(is.fail()){ + boost::serialization::throw_exception( + boost::archive::archive_exception( + archive_exception::input_stream_error, + std::strerror(errno) + ) + ); + } + if(is.eof()) + return false; + arg += result; + if(result == delimiter) + break; + } + + // read just one more character. This will be the newline after the tag + // this is so that the next operation will return fail if the archive + // is terminated. This will permit the archive to be used for debug + // and transaction data logging in the standard way. + + parse_info<typename std::basic_string<CharType>::iterator> + result = boost::spirit::classic::parse(arg.begin(), arg.end(), rule_); + return result.hit; +} + +template<class CharType> +bool basic_xml_grammar<CharType>::parse_start_tag( + typename basic_xml_grammar<CharType>::IStream & is +){ + rv.class_name.resize(0); + return my_parse(is, STag); +} + +template<class CharType> +bool basic_xml_grammar<CharType>::parse_end_tag(IStream & is) const { + return my_parse(is, ETag); +} + +template<class CharType> +bool basic_xml_grammar<CharType>::parse_string(IStream & is, StringType & s){ + rv.contents.resize(0); + bool result = my_parse(is, content, '<'); + // note: unget caused a problem with dinkumware. replace with + // is.unget(); + // putback another delimiter instead + is.putback('<'); + if(result) + s = rv.contents; + return result; +} + +template<class CharType> +basic_xml_grammar<CharType>::basic_xml_grammar(){ + init_chset(); + + S = + +(Sch) + ; + + // refactoring to workaround template depth on darwin + NameHead = (Letter | '_' | ':'); + NameTail = *NameChar ; + Name = + NameHead >> NameTail + ; + + Eq = + !S >> '=' >> !S + ; + + AttributeList = + *(S >> Attribute) + ; + + STag = + !S + >> '<' + >> Name [xml::assign_object(rv.object_name)] + >> AttributeList + >> !S + >> '>' + ; + + ETag = + !S + >> "</" + >> Name [xml::assign_object(rv.object_name)] + >> !S + >> '>' + ; + + // refactoring to workaround template depth on darwin + CharDataChars = +(anychar_p - chset_p(L"&<")); + CharData = + CharDataChars [ + xml::append_string< + StringType, + typename std::basic_string<CharType>::const_iterator + >(rv.contents) + ] + ; + + // slight factoring works around ICE in msvc 6.0 + CharRef1 = + str_p(L"&#") >> uint_p [xml::append_char<StringType>(rv.contents)] >> L';' + ; + CharRef2 = + str_p(L"&#x") >> hex_p [xml::append_char<StringType>(rv.contents)] >> L';' + ; + CharRef = CharRef1 | CharRef2 ; + + AmpRef = str_p(L"&")[xml::append_lit<StringType, L'&'>(rv.contents)]; + LTRef = str_p(L"<")[xml::append_lit<StringType, L'<'>(rv.contents)]; + GTRef = str_p(L">")[xml::append_lit<StringType, L'>'>(rv.contents)]; + AposRef = str_p(L"'")[xml::append_lit<StringType, L'\''>(rv.contents)]; + QuoteRef = str_p(L""")[xml::append_lit<StringType, L'"'>(rv.contents)]; + + Reference = + AmpRef + | LTRef + | GTRef + | AposRef + | QuoteRef + | CharRef + ; + + content = + L"<" // should be end_p + | +(Reference | CharData) >> L"<" + ; + + ClassIDAttribute = + str_p(BOOST_ARCHIVE_XML_CLASS_ID()) >> NameTail + >> Eq + >> L'"' + >> int_p [xml::assign_object(rv.class_id)] + >> L'"' + ; + + ObjectIDAttribute = ( + str_p(BOOST_ARCHIVE_XML_OBJECT_ID()) + | + str_p(BOOST_ARCHIVE_XML_OBJECT_REFERENCE()) + ) + >> NameTail + >> Eq + >> L'"' + >> L'_' + >> uint_p [xml::assign_object(rv.object_id)] + >> L'"' + ; + + AmpName = str_p(L"&")[xml::append_lit<StringType, L'&'>(rv.class_name)]; + LTName = str_p(L"<")[xml::append_lit<StringType, L'<'>(rv.class_name)]; + GTName = str_p(L">")[xml::append_lit<StringType, L'>'>(rv.class_name)]; + ClassNameChar = + AmpName + | LTName + | GTName + | (anychar_p - chset_p(L"\"")) [xml::append_char<StringType>(rv.class_name)] + ; + + ClassName = + * ClassNameChar + ; + + ClassNameAttribute = + str_p(BOOST_ARCHIVE_XML_CLASS_NAME()) + >> Eq + >> L'"' + >> ClassName + >> L'"' + ; + + TrackingAttribute = + str_p(BOOST_ARCHIVE_XML_TRACKING()) + >> Eq + >> L'"' + >> uint_p [xml::assign_level(rv.tracking_level)] + >> L'"' + ; + + VersionAttribute = + str_p(BOOST_ARCHIVE_XML_VERSION()) + >> Eq + >> L'"' + >> uint_p [xml::assign_object(rv.version)] + >> L'"' + ; + + UnusedAttribute = + Name + >> Eq + >> L'"' + >> !CharData + >> L'"' + ; + + Attribute = + ClassIDAttribute + | ObjectIDAttribute + | ClassNameAttribute + | TrackingAttribute + | VersionAttribute + | UnusedAttribute + ; + + XMLDeclChars = *(anychar_p - chset_p(L"?>")); + XMLDecl = + !S + >> str_p(L"<?xml") + >> S + >> str_p(L"version") + >> Eq + >> str_p(L"\"1.0\"") + >> XMLDeclChars + >> !S + >> str_p(L"?>") + ; + + DocTypeDeclChars = *(anychar_p - chset_p(L">")); + DocTypeDecl = + !S + >> str_p(L"<!DOCTYPE") + >> DocTypeDeclChars + >> L'>' + ; + + SignatureAttribute = + str_p(L"signature") + >> Eq + >> L'"' + >> Name [xml::assign_object(rv.class_name)] + >> L'"' + ; + + SerializationWrapper = + !S + >> str_p(L"<boost_serialization") + >> S + >> ( (SignatureAttribute >> S >> VersionAttribute) + | (VersionAttribute >> S >> SignatureAttribute) + ) + >> !S + >> L'>' + ; +} + +template<class CharType> +void basic_xml_grammar<CharType>::init(IStream & is){ + init_chset(); + if(! my_parse(is, XMLDecl)) + boost::serialization::throw_exception( + xml_archive_exception(xml_archive_exception::xml_archive_parsing_error) + ); + if(! my_parse(is, DocTypeDecl)) + boost::serialization::throw_exception( + xml_archive_exception(xml_archive_exception::xml_archive_parsing_error) + ); + if(! my_parse(is, SerializationWrapper)) + boost::serialization::throw_exception( + xml_archive_exception(xml_archive_exception::xml_archive_parsing_error) + ); + if(! std::equal(rv.class_name.begin(), rv.class_name.end(), BOOST_ARCHIVE_SIGNATURE())) + boost::serialization::throw_exception( + archive_exception(archive_exception::invalid_signature) + ); +} + +template<class CharType> +bool basic_xml_grammar<CharType>::windup(IStream & is) { + return my_parse(is, ETag); +} + +} // namespace archive +} // namespace boost |