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Ruta de la carpeta: \\game3dprogramming\materials\GameFactory\GameFactoryDemo\references\boost_1_35_0\boost\iostreams\seek.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_SEEK_HPP_INCLUDED #define BOOST_IOSTREAMS_SEEK_HPP_INCLUDED #if defined(_MSC_VER) && (_MSC_VER >= 1020) # pragma once #endif #include
// DEDUCED_TYPENAME, MSVC. #include
#include
#include
#include
// streamsize, seekdir, openmode. #include
#include
#include
#include
#include
// Must come last. #include
namespace boost { namespace iostreams { namespace detail { template
struct seek_device_impl; template
struct seek_filter_impl; } // End namespace detail. template
inline std::streampos seek( T& t, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which = BOOST_IOS::in | BOOST_IOS::out ) { using namespace detail; return seek_device_impl
::seek(detail::unwrap(t), off, way, which); } template
inline std::streampos seek( T& t, Device& dev, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which = BOOST_IOS::in | BOOST_IOS::out ) { using namespace detail; return seek_filter_impl
::seek(detail::unwrap(t), dev, off, way, which); } namespace detail { //------------------Definition of seek_device_impl----------------------------// template
struct seek_device_impl : mpl::if_< is_custom
, operations
, seek_device_impl< BOOST_DEDUCED_TYPENAME dispatch< T, iostream_tag, istream_tag, ostream_tag, streambuf_tag, two_head, any_tag >::type > >::type { }; struct seek_impl_basic_ios { template
static std::streampos seek( T& t, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which ) { if ( way == BOOST_IOS::beg && ( off < integer_traits
::const_min || off > integer_traits
::const_max ) ) { return t.rdbuf()->pubseekpos(offset_to_position(off)); } else { return t.rdbuf()->pubseekoff(off, way, which); } } }; template<> struct seek_device_impl
: seek_impl_basic_ios { }; template<> struct seek_device_impl
: seek_impl_basic_ios { }; template<> struct seek_device_impl
: seek_impl_basic_ios { }; template<> struct seek_device_impl
{ template
static std::streampos seek( T& t, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which ) { if ( way == BOOST_IOS::beg && ( off < integer_traits
::const_min || off > integer_traits
::const_max ) ) { return t.BOOST_IOSTREAMS_PUBSEEKPOS(offset_to_position(off)); } else { return t.BOOST_IOSTREAMS_PUBSEEKOFF(off, way, which); } } }; template<> struct seek_device_impl
{ template
static std::streampos seek( T& t, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which ) { return t.seek(off, way, which); } }; template<> struct seek_device_impl
{ template
static std::streampos seek( T& t, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode ) { return t.seek(off, way); } }; //------------------Definition of seek_filter_impl----------------------------// template
struct seek_filter_impl : mpl::if_< is_custom
, operations
, seek_filter_impl< BOOST_DEDUCED_TYPENAME dispatch
::type > >::type { }; template<> struct seek_filter_impl
{ template
static std::streampos seek( T& t, Device& d, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode which ) { return t.seek(d, off, way, which); } }; template<> struct seek_filter_impl
{ template
static std::streampos seek( T& t, Device& d, stream_offset off, BOOST_IOS::seekdir way, BOOST_IOS::openmode ) { return t.seek(d, off, way); } }; } // End namespace detail. } } // End namespaces iostreams, boost. #include
#endif // #ifndef BOOST_IOSTREAMS_SEEK_HPP_INCLUDED
seek.hpp
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