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close.hpp - Hosted on DriveHQ Cloud IT Platform
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路径: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\iostreams\close.hpp
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// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) // (C) Copyright 2003-2007 Jonathan Turkanis // 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/libs/iostreams for documentation. #ifndef BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED #define BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif #include
// DEDUCED_TYPENAME, MSVC. #include
#include
#include
#include
#include
// BOOST_IOS #include
#include
#include
#include
#include
#include
#include
#include
#include
#include
// Must come last. #include
namespace boost { namespace iostreams { template
void close(T& t); template
void close(T& t, BOOST_IOS::openmode which); template
void close(T& t, Sink& snk, BOOST_IOS::openmode which); namespace detail { template
void close_all(T& t) { try { boost::iostreams::close(t, BOOST_IOS::in); } catch (...) { try { boost::iostreams::close(t, BOOST_IOS::out); } catch (...) { } throw; } boost::iostreams::close(t, BOOST_IOS::out); } template
void close_all(T& t, Sink& snk) { try { boost::iostreams::close(t, snk, BOOST_IOS::in); } catch (...) { try { boost::iostreams::close(t, snk, BOOST_IOS::out); } catch (...) { } throw; } boost::iostreams::close(t, snk, BOOST_IOS::out); } } // End namespaces detail. } } // End namespaces iostreams, boost. #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //-----------------------------------// # include
#else // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //--------------------------// namespace boost { namespace iostreams { namespace detail { template
struct close_impl; } // End namespace detail. template
void close(T& t) { detail::close_all(t); } template
void close(T& t, BOOST_IOS::openmode which) { #ifdef BOOST_IOSTREAMS_STRICT assert(which == BOOST_IOS::in || which == BOOST_IOS::out); #else if (which == (BOOST_IOS::in | BOOST_IOS::out)) { detail::close_all(t); return; } #endif detail::close_impl
::close(detail::unwrap(t), which); } template
void close(T& t, Sink& snk, BOOST_IOS::openmode which) { #ifdef BOOST_IOSTREAMS_STRICT assert(which == BOOST_IOS::in || which == BOOST_IOS::out); #else if (which == (BOOST_IOS::in | BOOST_IOS::out)) { detail::close_all(t, snk); return; } #endif detail::close_impl
::close(detail::unwrap(t), snk, which); } namespace detail { //------------------Definition of close_impl----------------------------------// struct close_boost_stream { }; struct close_filtering_stream { }; template
struct close_tag { typedef typename category_of
::type category; typedef typename detail::unwrapped_type
::type unwrapped; typedef typename iostreams::select< mpl::not_< is_convertible
>, any_tag, mpl::or_< is_boost_stream
, is_boost_stream_buffer
>, close_boost_stream, mpl::or_< is_filtering_stream
, is_filtering_streambuf
>, close_filtering_stream, mpl::or_< is_convertible
, is_convertible
>, two_sequence, else_, closable_tag >::type type; }; template
struct close_impl : mpl::if_< is_custom
, operations
, close_impl
::type> >::type { }; template<> struct close_impl
{ template
static void close(T& t, BOOST_IOS::openmode which) { if (which == BOOST_IOS::out) iostreams::flush(t); } template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which) { if (which == BOOST_IOS::out) { non_blocking_adapter
nb(snk); iostreams::flush(t, nb); } } }; template<> struct close_impl
{ template
static void close(T& t) { t.close(); } template
static void close(T& t, BOOST_IOS::openmode which) { if (which == BOOST_IOS::out) t.close(); } }; template<> struct close_impl
{ template
static void close(T& t, BOOST_IOS::openmode which) { typedef typename category_of
::type category; const bool in = is_convertible
::value && !is_convertible
::value; if (in == (which == BOOST_IOS::in) && t.is_complete()) t.pop(); } }; #include
// Borland. template<> struct close_impl
{ template
static void close(T& t, BOOST_IOS::openmode which) { typedef typename category_of
::type category; const bool in = is_convertible
::value && !is_convertible
::value; if (in == (which == BOOST_IOS::in)) t.close(); } template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which) { typedef typename category_of
::type category; const bool in = is_convertible
::value && !is_convertible
::value; if (in == (which == BOOST_IOS::in)) { non_blocking_adapter
nb(snk); t.close(nb); } } }; template<> struct close_impl
{ template
static void close(T& t, BOOST_IOS::openmode which) { t.close(which); } template
static void close(T& t, Sink& snk, BOOST_IOS::openmode which) { non_blocking_adapter
nb(snk); t.close(nb, which); } }; } // End namespace detail. } } // End namespaces iostreams, boost. #endif // #if BOOST_WORKAROUND(BOOST_MSVC, < 1300) //-------------------------// #include
#endif // #ifndef BOOST_IOSTREAMS_CLOSE_HPP_INCLUDED
close.hpp
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