/Src/Dependencies/Boost/boost/archive/impl/xml_iarchive_impl.ipp

  1/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
  2// xml_iarchive_impl.cpp:
  3
  4// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
  5// Distributed under the Boost Software License, Version 1.0. (See
  6// accompanying file LICENSE_1_0.txt or copy at
  7// http://www.boost.org/LICENSE_1_0.txt)
  8
  9//  See http://www.boost.org for updates, documentation, and revision history.
 10
 11#include <boost/config.hpp>
 12#include <cstring> // memcpy
 13#include <cstddef> // NULL
 14#if defined(BOOST_NO_STDC_NAMESPACE)
 15namespace std{ 
 16    using ::memcpy;
 17} // namespace std
 18#endif
 19
 20#ifndef BOOST_NO_CWCHAR
 21#include <cstdlib> // mbtowc
 22#if defined(BOOST_NO_STDC_NAMESPACE)
 23namespace std{ 
 24    using ::mbtowc;
 25 } // namespace std
 26#endif
 27#endif // BOOST_NO_CWCHAR
 28
 29#include <boost/detail/workaround.hpp> // RogueWave and Dinkumware
 30#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
 31#include <boost/archive/dinkumware.hpp>
 32#endif
 33
 34#include <boost/detail/no_exceptions_support.hpp>
 35
 36#include <boost/archive/xml_archive_exception.hpp>
 37#include <boost/archive/iterators/dataflow_exception.hpp>
 38#include <boost/archive/basic_xml_archive.hpp>
 39#include <boost/archive/xml_iarchive.hpp>
 40
 41#include "basic_xml_grammar.hpp"
 42
 43namespace boost {
 44namespace archive {
 45
 46/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
 47// implemenations of functions specific to char archives
 48
 49// wide char stuff used by char archives
 50
 51#ifndef BOOST_NO_CWCHAR
 52#ifndef BOOST_NO_STD_WSTRING
 53template<class Archive>
 54BOOST_ARCHIVE_DECL(void)
 55xml_iarchive_impl<Archive>::load(std::wstring &ws){
 56    std::string s;
 57    bool result = gimpl->parse_string(is, s);
 58    if(! result)
 59        boost::serialization::throw_exception(
 60            xml_archive_exception(xml_archive_exception::xml_archive_parsing_error)
 61        );
 62    
 63    #if BOOST_WORKAROUND(_RWSTD_VER, BOOST_TESTED_AT(20101))
 64    if(NULL != ws.data())
 65    #endif
 66        ws.resize(0);
 67    const char * start = s.data();
 68    const char * end = start + s.size();
 69    while(start < end){
 70        wchar_t wc;
 71        int resultx = std::mbtowc(&wc, start, end - start);
 72        if(0 < resultx){
 73            start += resultx;
 74            ws += wc;
 75            continue;
 76        }
 77        boost::serialization::throw_exception(
 78            iterators::dataflow_exception(
 79                iterators::dataflow_exception::invalid_conversion
 80            )
 81        );
 82    }
 83}
 84#endif // BOOST_NO_STD_WSTRING
 85
 86#ifndef BOOST_NO_INTRINSIC_WCHAR_T
 87template<class Archive>
 88BOOST_ARCHIVE_DECL(void)
 89xml_iarchive_impl<Archive>::load(wchar_t * ws){
 90    std::string s;
 91    bool result = gimpl->parse_string(is, s);
 92    if(! result)
 93        boost::serialization::throw_exception(
 94            xml_archive_exception(xml_archive_exception::xml_archive_parsing_error)
 95        );
 96        
 97    const char * start = s.data();
 98    const char * end = start + s.size();
 99    while(start < end){
100        wchar_t wc;
101        int result = std::mbtowc(&wc, start, end - start);
102        if(0 < result){
103            start += result;
104            *ws++ = wc;
105            continue;
106        }
107        boost::serialization::throw_exception(
108            iterators::dataflow_exception(
109                iterators::dataflow_exception::invalid_conversion
110            )
111        );
112    }
113    *ws = L'\0';
114}
115#endif // BOOST_NO_INTRINSIC_WCHAR_T
116
117#endif // BOOST_NO_CWCHAR
118
119template<class Archive>
120BOOST_ARCHIVE_DECL(void)
121xml_iarchive_impl<Archive>::load(std::string &s){
122    bool result = gimpl->parse_string(is, s);
123    if(! result)
124        boost::serialization::throw_exception(
125            xml_archive_exception(xml_archive_exception::xml_archive_parsing_error)
126        );
127}
128
129template<class Archive>
130BOOST_ARCHIVE_DECL(void)
131xml_iarchive_impl<Archive>::load(char * s){
132    std::string tstring;
133    bool result = gimpl->parse_string(is, tstring);
134    if(! result)
135        boost::serialization::throw_exception(
136            xml_archive_exception(xml_archive_exception::xml_archive_parsing_error)
137        );
138    std::memcpy(s, tstring.data(), tstring.size());
139    s[tstring.size()] = 0;
140}
141
142template<class Archive>
143BOOST_ARCHIVE_DECL(void)
144xml_iarchive_impl<Archive>::load_override(class_name_type & t, int){
145    const std::string & s = gimpl->rv.class_name;
146    if(s.size() > BOOST_SERIALIZATION_MAX_KEY_SIZE - 1)
147        boost::serialization::throw_exception(
148            archive_exception(archive_exception::invalid_class_name)
149       );
150    char * tptr = t;
151    std::memcpy(tptr, s.data(), s.size());
152    tptr[s.size()] = '\0';
153}
154
155template<class Archive>
156BOOST_ARCHIVE_DECL(void)
157xml_iarchive_impl<Archive>::init(){
158    gimpl->init(is);
159    this->set_library_version(
160        library_version_type(gimpl->rv.version)
161    );
162}
163
164template<class Archive>
165BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY())
166xml_iarchive_impl<Archive>::xml_iarchive_impl(
167    std::istream &is_,
168    unsigned int flags
169) :
170    basic_text_iprimitive<std::istream>(
171        is_, 
172        0 != (flags & no_codecvt)
173    ),
174    basic_xml_iarchive<Archive>(flags),
175    gimpl(new xml_grammar())
176{
177    if(0 == (flags & no_header)){
178        BOOST_TRY{
179            init();
180        }
181        BOOST_CATCH(...){
182            delete gimpl;
183            #ifndef BOOST_NO_EXCEPTIONS
184                throw; // re-throw
185            #endif
186        }
187        BOOST_CATCH_END
188    }
189}
190
191template<class Archive>
192BOOST_ARCHIVE_DECL(BOOST_PP_EMPTY())
193xml_iarchive_impl<Archive>::~xml_iarchive_impl(){
194    if(0 == (this->get_flags() & no_header)){
195        BOOST_TRY{
196            gimpl->windup(is);
197        }
198        BOOST_CATCH(...){}
199        BOOST_CATCH_END
200    }
201    delete gimpl;
202}
203} // namespace archive
204} // namespace boost