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143 lines
3.9 KiB
C++
143 lines
3.9 KiB
C++
#ifndef BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP
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#define BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP
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// MS compatible compilers support #pragma once
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#if defined(_MSC_VER)
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# pragma once
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#endif
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/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
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// basic_text_iprimitive.hpp
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// (C) Copyright 2002 Robert Ramey - http://www.rrsd.com .
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// Use, modification and distribution is subject to the Boost Software
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// License, Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for updates, documentation, and revision history.
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// archives stored as text - note these are templated on the basic
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// stream templates to accommodate wide (and other?) kind of characters
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//
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// Note the fact that on libraries without wide characters, ostream is
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// not a specialization of basic_ostream which in fact is not defined
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// in such cases. So we can't use basic_ostream<IStream::char_type> but rather
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// use two template parameters
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#include <locale>
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#include <cstddef> // size_t
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#include <boost/config.hpp>
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#if defined(BOOST_NO_STDC_NAMESPACE)
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namespace std{
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using ::size_t;
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#if ! defined(BOOST_DINKUMWARE_STDLIB) && ! defined(__SGI_STL_PORT)
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using ::locale;
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#endif
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} // namespace std
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#endif
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#include <boost/io/ios_state.hpp>
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#include <boost/static_assert.hpp>
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#include <boost/detail/workaround.hpp>
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#if BOOST_WORKAROUND(BOOST_DINKUMWARE_STDLIB, == 1)
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#include <boost/archive/dinkumware.hpp>
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#endif
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#include <boost/serialization/throw_exception.hpp>
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#include <boost/archive/codecvt_null.hpp>
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#include <boost/archive/archive_exception.hpp>
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#include <boost/archive/basic_streambuf_locale_saver.hpp>
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#include <boost/archive/detail/abi_prefix.hpp> // must be the last header
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namespace boost {
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namespace archive {
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/////////////////////////////////////////////////////////////////////////
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// class basic_text_iarchive - load serialized objects from a input text stream
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#if defined(_MSC_VER)
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#pragma warning( push )
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#pragma warning( disable : 4244 4267 )
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#endif
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template<class IStream>
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class BOOST_SYMBOL_VISIBLE basic_text_iprimitive {
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protected:
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IStream &is;
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io::ios_flags_saver flags_saver;
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io::ios_precision_saver precision_saver;
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#ifndef BOOST_NO_STD_LOCALE
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// note order! - if you change this, libstd++ will fail!
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// a) create new locale with new codecvt facet
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// b) save current locale
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// c) change locale to new one
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// d) use stream buffer
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// e) change locale back to original
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// f) destroy new codecvt facet
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boost::archive::codecvt_null<typename IStream::char_type> codecvt_null_facet;
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std::locale archive_locale;
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basic_istream_locale_saver<
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typename IStream::char_type,
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typename IStream::traits_type
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> locale_saver;
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#endif
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template<class T>
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void load(T & t)
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{
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if(is >> t)
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return;
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boost::serialization::throw_exception(
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archive_exception(archive_exception::input_stream_error)
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);
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}
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void load(char & t)
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{
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short int i;
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load(i);
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t = i;
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}
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void load(signed char & t)
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{
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short int i;
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load(i);
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t = i;
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}
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void load(unsigned char & t)
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{
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unsigned short int i;
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load(i);
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t = i;
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}
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#ifndef BOOST_NO_INTRINSIC_WCHAR_T
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void load(wchar_t & t)
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{
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BOOST_STATIC_ASSERT(sizeof(wchar_t) <= sizeof(int));
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int i;
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load(i);
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t = i;
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}
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#endif
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BOOST_ARCHIVE_OR_WARCHIVE_DECL
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basic_text_iprimitive(IStream &is, bool no_codecvt);
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BOOST_ARCHIVE_OR_WARCHIVE_DECL
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~basic_text_iprimitive();
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public:
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BOOST_ARCHIVE_OR_WARCHIVE_DECL void
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load_binary(void *address, std::size_t count);
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};
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#if defined(_MSC_VER)
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#pragma warning( pop )
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#endif
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} // namespace archive
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} // namespace boost
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#include <boost/archive/detail/abi_suffix.hpp> // pop pragmas
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#endif // BOOST_ARCHIVE_BASIC_TEXT_IPRIMITIVE_HPP
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