/Src/Dependencies/Boost/boost/archive/impl/basic_text_iprimitive.ipp
http://hadesmem.googlecode.com/ · C++ Header · 154 lines · 121 code · 22 blank · 11 comment · 10 complexity · 96816dadd65c31686c7fc01d822f0475 MD5 · raw file
- /////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
- // basic_text_iprimitive.ipp:
- // (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
- // Distributed under 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 <cstddef> // size_t
- #include <cstddef> // NULL
- #include <boost/config.hpp>
- #if defined(BOOST_NO_STDC_NAMESPACE)
- namespace std{
- using ::size_t;
- } // namespace std
- #endif
- #include <boost/serialization/throw_exception.hpp>
- #include <boost/serialization/pfto.hpp>
- #include <boost/archive/basic_text_iprimitive.hpp>
- #include <boost/archive/codecvt_null.hpp>
- #include <boost/archive/add_facet.hpp>
- #include <boost/archive/iterators/remove_whitespace.hpp>
- #include <boost/archive/iterators/istream_iterator.hpp>
- #include <boost/archive/iterators/binary_from_base64.hpp>
- #include <boost/archive/iterators/transform_width.hpp>
- namespace boost {
- namespace archive {
- namespace {
- template<class CharType>
- bool is_whitespace(CharType c);
- template<>
- bool is_whitespace(char t){
- return 0 != std::isspace(t);
- }
- #ifndef BOOST_NO_CWCHAR
- template<>
- bool is_whitespace(wchar_t t){
- return 0 != std::iswspace(t);
- }
- #endif
- }
- // translate base64 text into binary and copy into buffer
- // until buffer is full.
- template<class IStream>
- BOOST_ARCHIVE_OR_WARCHIVE_DECL(void)
- basic_text_iprimitive<IStream>::load_binary(
- void *address,
- std::size_t count
- ){
- typedef BOOST_DEDUCED_TYPENAME IStream::char_type CharType;
-
- if(0 == count)
- return;
-
- BOOST_ASSERT(
- static_cast<std::size_t>((std::numeric_limits<std::streamsize>::max)())
- > (count + sizeof(CharType) - 1)/sizeof(CharType)
- );
-
- if(is.fail())
- boost::serialization::throw_exception(
- archive_exception(archive_exception::input_stream_error)
- );
- // convert from base64 to binary
- typedef BOOST_DEDUCED_TYPENAME
- iterators::transform_width<
- iterators::binary_from_base64<
- iterators::remove_whitespace<
- iterators::istream_iterator<CharType>
- >
- ,CharType
- >
- ,8
- ,6
- ,CharType
- >
- binary;
- binary ti_begin = binary(
- BOOST_MAKE_PFTO_WRAPPER(
- iterators::istream_iterator<CharType>(is)
- )
- );
-
- char * caddr = static_cast<char *>(address);
-
- // take care that we don't increment anymore than necessary
- while(--count > 0){
- *caddr++ = static_cast<char>(*ti_begin);
- ++ti_begin;
- }
- *caddr++ = static_cast<char>(*ti_begin);
-
- iterators::istream_iterator<CharType> i;
- for(;;){
- BOOST_DEDUCED_TYPENAME IStream::int_type r;
- r = is.get();
- if(is.eof())
- break;
- if(is_whitespace(static_cast<CharType>(r)))
- break;
- }
- }
- template<class IStream>
- BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
- basic_text_iprimitive<IStream>::basic_text_iprimitive(
- IStream &is_,
- bool no_codecvt
- ) :
- #ifndef BOOST_NO_STD_LOCALE
- is(is_),
- flags_saver(is_),
- precision_saver(is_),
- archive_locale(NULL),
- locale_saver(* is_.rdbuf())
- {
- if(! no_codecvt){
- archive_locale.reset(
- add_facet(
- std::locale::classic(),
- new codecvt_null<BOOST_DEDUCED_TYPENAME IStream::char_type>
- )
- );
- is.imbue(* archive_locale);
- }
- is >> std::noboolalpha;
- }
- #else
- is(is_),
- flags_saver(is_),
- precision_saver(is_)
- {}
- #endif
- template<class IStream>
- BOOST_ARCHIVE_OR_WARCHIVE_DECL(BOOST_PP_EMPTY())
- basic_text_iprimitive<IStream>::~basic_text_iprimitive(){
- is.sync();
- }
- } // namespace archive
- } // namespace boost