MySources/boost_graph/boost/archive/basic_streambuf_locale_save...

109 lines
2.8 KiB
C++

#ifndef BOOST_ARCHIVE_BASIC_STREAMBUF_LOCALE_SAVER_HPP
#define BOOST_ARCHIVE_BASIC_STREAMBUF_LOCALE_SAVER_HPP
// MS compatible compilers support #pragma once
#if defined(_MSC_VER)
# pragma once
#endif
/////////1/////////2/////////3/////////4/////////5/////////6/////////7/////////8
// basic_streambuf_locale_saver.hpp
// (C) Copyright 2005 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.
// note derived from boost/io/ios_state.hpp
// Copyright 2002, 2005 Daryle Walker. Use, modification, and distribution
// are subject to the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or a copy at <http://www.boost.org/LICENSE_1_0.txt>.)
// See <http://www.boost.org/libs/io/> for the library's home page.
#ifndef BOOST_NO_STD_LOCALE
#include <locale> // for std::locale
#include <ios>
#include <streambuf> // for std::basic_streambuf
#include <boost/config.hpp>
#include <boost/noncopyable.hpp>
#ifdef BOOST_MSVC
# pragma warning(push)
# pragma warning(disable : 4511 4512)
#endif
namespace boost{
namespace archive{
template < typename Ch, class Tr >
class basic_streambuf_locale_saver :
private boost::noncopyable
{
public:
explicit basic_streambuf_locale_saver(std::basic_streambuf<Ch, Tr> &s) :
m_streambuf(s),
m_locale(s.getloc())
{}
~basic_streambuf_locale_saver(){
m_streambuf.pubsync();
m_streambuf.pubimbue(m_locale);
}
private:
std::basic_streambuf<Ch, Tr> & m_streambuf;
std::locale const m_locale;
};
template < typename Ch, class Tr >
class basic_istream_locale_saver :
private boost::noncopyable
{
public:
explicit basic_istream_locale_saver(std::basic_istream<Ch, Tr> &s) :
m_istream(s),
m_locale(s.getloc())
{}
~basic_istream_locale_saver(){
// libstdc++ crashes without this
m_istream.sync();
m_istream.imbue(m_locale);
}
private:
std::basic_istream<Ch, Tr> & m_istream;
std::locale const m_locale;
};
template < typename Ch, class Tr >
class basic_ostream_locale_saver :
private boost::noncopyable
{
public:
explicit basic_ostream_locale_saver(std::basic_ostream<Ch, Tr> &s) :
m_ostream(s),
m_locale(s.getloc())
{}
~basic_ostream_locale_saver(){
m_ostream.flush();
m_ostream.imbue(m_locale);
}
private:
std::basic_ostream<Ch, Tr> & m_ostream;
std::locale const m_locale;
};
} // archive
} // boost
#ifdef BOOST_MSVC
#pragma warning(pop)
#endif
#endif // BOOST_NO_STD_LOCALE
#endif // BOOST_ARCHIVE_BASIC_STREAMBUF_LOCALE_SAVER_HPP