/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
// basic_binary_iarchive.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. | |
#include <string> | |
#include <boost/assert.hpp> | |
#include <algorithm> | |
#include <cstring> | |
#include <boost/config.hpp> // for BOOST_DEDUCED_TYPENAME | |
#if defined(BOOST_NO_STDC_NAMESPACE) | |
namespace std{ | |
using ::memcpy; | |
using ::strlen; | |
using ::size_t; | |
} | |
#endif | |
#include <boost/detail/workaround.hpp> | |
#include <boost/detail/endian.hpp> | |
#include <boost/archive/basic_binary_iarchive.hpp> | |
namespace boost { | |
namespace archive { | |
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8 | |
// implementation of binary_binary_archive | |
template<class Archive> | |
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) | |
basic_binary_iarchive<Archive>::load_override(class_name_type & t, int){ | |
std::string cn; | |
cn.reserve(BOOST_SERIALIZATION_MAX_KEY_SIZE); | |
load_override(cn, 0); | |
if(cn.size() > (BOOST_SERIALIZATION_MAX_KEY_SIZE - 1)) | |
boost::serialization::throw_exception( | |
archive_exception(archive_exception::invalid_class_name) | |
); | |
std::memcpy(t, cn.data(), cn.size()); | |
// borland tweak | |
t.t[cn.size()] = '\0'; | |
} | |
template<class Archive> | |
BOOST_ARCHIVE_OR_WARCHIVE_DECL(void) | |
basic_binary_iarchive<Archive>::init(){ | |
// read signature in an archive version independent manner | |
std::string file_signature; | |
try { | |
std::size_t l; | |
this->This()->load(l); | |
if(l == std::strlen(BOOST_ARCHIVE_SIGNATURE())) { | |
// borland de-allocator fixup | |
#if BOOST_WORKAROUND(_RWSTD_VER, BOOST_TESTED_AT(20101)) | |
if(NULL != file_signature.data()) | |
#endif | |
file_signature.resize(l); | |
// note breaking a rule here - could be a problem on some platform | |
if(0 < l) | |
this->This()->load_binary(&(*file_signature.begin()), l); | |
} | |
} | |
catch(archive_exception const &) { // catch stream_error archive exceptions | |
// will cause invalid_signature archive exception to be thrown below | |
file_signature = ""; | |
} | |
if(file_signature != BOOST_ARCHIVE_SIGNATURE()) | |
boost::serialization::throw_exception( | |
archive_exception(archive_exception::invalid_signature) | |
); | |
// make sure the version of the reading archive library can | |
// support the format of the archive being read | |
library_version_type input_library_version; | |
//* this->This() >> input_library_version; | |
{ | |
int v = 0; | |
v = this->This()->m_sb.sbumpc(); | |
#if defined(BOOST_LITTLE_ENDIAN) | |
if(v < 6){ | |
; | |
} | |
else | |
if(v < 7){ | |
// version 6 - next byte should be zero | |
this->This()->m_sb.sbumpc(); | |
} | |
else | |
if(v < 8){ | |
int x1; | |
// version 7 = might be followed by zero or some other byte | |
x1 = this->This()->m_sb.sgetc(); | |
// it's =a zero, push it back | |
if(0 == x1) | |
this->This()->m_sb.sbumpc(); | |
} | |
else{ | |
// version 8+ followed by a zero | |
this->This()->m_sb.sbumpc(); | |
} | |
#elif defined(BOOST_BIG_ENDIAN) | |
if(v == 0) | |
v = this->This()->m_sb.sbumpc(); | |
#endif | |
input_library_version = static_cast<library_version_type>(v); | |
} | |
#if BOOST_WORKAROUND(__MWERKS__, BOOST_TESTED_AT(0x3205)) | |
this->set_library_version(input_library_version); | |
#else | |
#if ! BOOST_WORKAROUND(BOOST_MSVC, <= 1200) | |
detail:: | |
#endif | |
basic_iarchive::set_library_version(input_library_version); | |
#endif | |
if(BOOST_ARCHIVE_VERSION() < input_library_version) | |
boost::serialization::throw_exception( | |
archive_exception(archive_exception::unsupported_version) | |
); | |
} | |
} // namespace archive | |
} // namespace boost |