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/Src/Dependencies/Boost/boost/iostreams/detail/push.hpp

http://hadesmem.googlecode.com/
C++ Header | 154 lines | 121 code | 10 blank | 23 comment | 3 complexity | 1950a536252e3ba0da84ab7edbf2e237 MD5 | raw file
  1// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com)
  2// (C) Copyright 2003-2007 Jonathan Turkanis
  3// Distributed under the Boost Software License, Version 1.0. (See accompanying
  4// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
  5
  6// See http://www.boost.org/libs/iostreams for documentation.
  7
  8#ifndef BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED
  9#define BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED 
 10
 11#if defined(_MSC_VER) && (_MSC_VER >= 1020)
 12# pragma once
 13#endif                    
 14 
 15#include <boost/config.hpp> // BOOST_MSVC.
 16#include <boost/detail/workaround.hpp>
 17#include <boost/iostreams/categories.hpp>
 18#include <boost/iostreams/categories.hpp>
 19#include <boost/iostreams/detail/adapter/range_adapter.hpp>
 20#include <boost/iostreams/detail/config/wide_streams.hpp>
 21#include <boost/iostreams/detail/enable_if_stream.hpp>   
 22#include <boost/iostreams/pipeline.hpp>   
 23#include <boost/iostreams/detail/push_params.hpp>   
 24#include <boost/iostreams/detail/resolve.hpp>
 25#include <boost/mpl/bool.hpp>   
 26#include <boost/preprocessor/cat.hpp> 
 27#include <boost/preprocessor/control/iif.hpp>
 28#include <boost/static_assert.hpp>
 29#include <boost/type_traits/is_convertible.hpp>
 30
 31//
 32// Macro: BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper).
 33// Description: Defines overloads with name 'name' which forward to a function
 34//      'helper' which takes a filter or devide by const reference.
 35//
 36#define BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper) \
 37    BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 0, ?) \
 38    /**/
 39
 40//
 41// Macro: BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper).
 42// Description: Defines constructors which forward to a function
 43//      'helper' which takes a filter or device by const reference.
 44//
 45#define BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper) \
 46    BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 1, void) \
 47    /**/
 48
 49//--------------------Definition of BOOST_IOSTREAMS_DEFINE_PUSH_IMPL----------//
 50          
 51#define BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, arg, helper, has_return) \
 52    this->helper( ::boost::iostreams::detail::resolve<mode, ch>(arg) \
 53                  BOOST_IOSTREAMS_PUSH_ARGS() ); \
 54    /**/
 55
 56#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && \
 57    !BOOST_WORKAROUND(__BORLANDC__, < 0x600) \
 58    /**/
 59# ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
 60#  define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \
 61    template<typename CharType, typename TraitsType> \
 62    BOOST_PP_IIF(has_return, result, explicit) \
 63    name(::std::basic_streambuf<CharType, TraitsType>& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \
 64    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \
 65    template<typename CharType, typename TraitsType> \
 66    BOOST_PP_IIF(has_return, result, explicit) \
 67    name(::std::basic_istream<CharType, TraitsType>& is BOOST_IOSTREAMS_PUSH_PARAMS()) \
 68    { BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \
 69      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \
 70    template<typename CharType, typename TraitsType> \
 71    BOOST_PP_IIF(has_return, result, explicit) \
 72    name(::std::basic_ostream<CharType, TraitsType>& os BOOST_IOSTREAMS_PUSH_PARAMS()) \
 73    { BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \
 74      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \
 75    template<typename CharType, typename TraitsType> \
 76    BOOST_PP_IIF(has_return, result, explicit) \
 77    name(::std::basic_iostream<CharType, TraitsType>& io BOOST_IOSTREAMS_PUSH_PARAMS()) \
 78    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \
 79    template<typename Iter> \
 80    BOOST_PP_IIF(has_return, result, explicit) \
 81    name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \
 82    { BOOST_PP_EXPR_IF(has_return, return) \
 83    this->helper( ::boost::iostreams::detail::range_adapter< \
 84                      mode, iterator_range<Iter> \
 85                  >(rng) \
 86                  BOOST_IOSTREAMS_PUSH_ARGS() ); } \
 87    template<typename Pipeline, typename Concept> \
 88    BOOST_PP_IIF(has_return, result, explicit) \
 89    name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \
 90    { p.push(*this); } \
 91    template<typename T> \
 92    BOOST_PP_IIF(has_return, result, explicit) \
 93    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \
 94    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \
 95                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \
 96    /**/
 97# else // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
 98#  define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \
 99    BOOST_PP_IF(has_return, result, explicit) \
100    name(::std::streambuf& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \
101    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \
102    BOOST_PP_IF(has_return, result, explicit) \
103    name(::std::istream& is BOOST_IOSTREAMS_PUSH_PARAMS()) \
104    { BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \
105      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \
106    BOOST_PP_IF(has_return, result, explicit) \
107    name(::std::ostream& os BOOST_IOSTREAMS_PUSH_PARAMS()) \
108    { BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \
109      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \
110    BOOST_PP_IF(has_return, result, explicit) \
111    name(::std::iostream& io BOOST_IOSTREAMS_PUSH_PARAMS()) \
112    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \
113    template<typename Iter> \
114    BOOST_PP_IF(has_return, result, explicit) \
115    name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \
116    { BOOST_PP_EXPR_IF(has_return, return) \
117    this->helper( ::boost::iostreams::detail::range_adapter< \
118                      mode, iterator_range<Iter> \
119                  >(rng) \
120                  BOOST_IOSTREAMS_PUSH_ARGS() ); } \
121    template<typename Pipeline, typename Concept> \
122    BOOST_PP_IF(has_return, result, explicit) \
123    name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \
124    { p.push(*this); } \
125    template<typename T> \
126    BOOST_PP_EXPR_IF(has_return, result) \
127    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \
128    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \
129                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \
130    /**/
131# endif // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES
132#else // #if VC6, VC7.0, Borland 5.x
133# define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \
134    template<typename T> \
135    void BOOST_PP_CAT(name, _msvc_impl) \
136    ( ::boost::mpl::true_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \
137    { t.push(*this); } \
138    template<typename T> \
139    void BOOST_PP_CAT(name, _msvc_impl) \
140    ( ::boost::mpl::false_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \
141    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \
142                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \
143    template<typename T> \
144    BOOST_PP_IF(has_return, result, explicit) \
145    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS()) \
146    { \
147        this->BOOST_PP_CAT(name, _msvc_impl) \
148              ( ::boost::iostreams::detail::is_pipeline<T>(), \
149                t BOOST_IOSTREAMS_PUSH_ARGS() ); \
150    } \
151    /**/
152#endif // #if VC6, VC7.0, Borland 5.x
153
154#endif // #ifndef BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED