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154 lines
7.3 KiB
154 lines
7.3 KiB
// (C) Copyright 2008 CodeRage, LLC (turkanis at coderage dot com) |
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// (C) Copyright 2003-2007 Jonathan Turkanis |
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// Distributed under the Boost Software License, Version 1.0. (See accompanying |
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.) |
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// See http://www.boost.org/libs/iostreams for documentation. |
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#ifndef BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED |
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#define BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED |
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#if defined(_MSC_VER) && (_MSC_VER >= 1020) |
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# pragma once |
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#endif |
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#include <boost/config.hpp> // BOOST_MSVC. |
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#include <boost/detail/workaround.hpp> |
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#include <boost/iostreams/categories.hpp> |
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#include <boost/iostreams/categories.hpp> |
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#include <boost/iostreams/detail/adapter/range_adapter.hpp> |
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#include <boost/iostreams/detail/config/wide_streams.hpp> |
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#include <boost/iostreams/detail/enable_if_stream.hpp> |
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#include <boost/iostreams/pipeline.hpp> |
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#include <boost/iostreams/detail/push_params.hpp> |
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#include <boost/iostreams/detail/resolve.hpp> |
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#include <boost/mpl/bool.hpp> |
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#include <boost/preprocessor/cat.hpp> |
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#include <boost/preprocessor/control/iif.hpp> |
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#include <boost/static_assert.hpp> |
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#include <boost/type_traits/is_convertible.hpp> |
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// |
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// Macro: BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper). |
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// Description: Defines overloads with name 'name' which forward to a function |
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// 'helper' which takes a filter or devide by const reference. |
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// |
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#define BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper) \ |
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BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 0, ?) \ |
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/**/ |
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// |
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// Macro: BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper). |
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// Description: Defines constructors which forward to a function |
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// 'helper' which takes a filter or device by const reference. |
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// |
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#define BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper) \ |
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BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 1, void) \ |
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/**/ |
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//--------------------Definition of BOOST_IOSTREAMS_DEFINE_PUSH_IMPL----------// |
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#define BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, arg, helper, has_return) \ |
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this->helper( ::boost::iostreams::detail::resolve<mode, ch>(arg) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); \ |
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/**/ |
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#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && \ |
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!BOOST_WORKAROUND(__BORLANDC__, < 0x600) \ |
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/**/ |
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# ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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# define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \ |
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template<typename CharType, typename TraitsType> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(::std::basic_streambuf<CharType, TraitsType>& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \ |
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template<typename CharType, typename TraitsType> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(::std::basic_istream<CharType, TraitsType>& is BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \ |
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BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \ |
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template<typename CharType, typename TraitsType> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(::std::basic_ostream<CharType, TraitsType>& os BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \ |
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BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \ |
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template<typename CharType, typename TraitsType> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(::std::basic_iostream<CharType, TraitsType>& io BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \ |
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template<typename Iter> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_PP_EXPR_IF(has_return, return) \ |
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this->helper( ::boost::iostreams::detail::range_adapter< \ |
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mode, iterator_range<Iter> \ |
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>(rng) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); } \ |
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template<typename Pipeline, typename Concept> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \ |
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{ p.push(*this); } \ |
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template<typename T> \ |
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BOOST_PP_IIF(has_return, result, explicit) \ |
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name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \ |
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{ this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); } \ |
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/**/ |
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# else // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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# define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(::std::streambuf& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(::std::istream& is BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \ |
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BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(::std::ostream& os BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \ |
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BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(::std::iostream& io BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \ |
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template<typename Iter> \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ BOOST_PP_EXPR_IF(has_return, return) \ |
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this->helper( ::boost::iostreams::detail::range_adapter< \ |
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mode, iterator_range<Iter> \ |
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>(rng) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); } \ |
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template<typename Pipeline, typename Concept> \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \ |
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{ p.push(*this); } \ |
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template<typename T> \ |
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BOOST_PP_EXPR_IF(has_return, result) \ |
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name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \ |
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{ this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); } \ |
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/**/ |
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# endif // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES |
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#else // #if VC6, VC7.0, Borland 5.x |
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# define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \ |
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template<typename T> \ |
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void BOOST_PP_CAT(name, _msvc_impl) \ |
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( ::boost::mpl::true_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \ |
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{ t.push(*this); } \ |
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template<typename T> \ |
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void BOOST_PP_CAT(name, _msvc_impl) \ |
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( ::boost::mpl::false_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \ |
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{ this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \ |
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BOOST_IOSTREAMS_PUSH_ARGS() ); } \ |
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template<typename T> \ |
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BOOST_PP_IF(has_return, result, explicit) \ |
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name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS()) \ |
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{ \ |
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this->BOOST_PP_CAT(name, _msvc_impl) \ |
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( ::boost::iostreams::detail::is_pipeline<T>(), \ |
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t BOOST_IOSTREAMS_PUSH_ARGS() ); \ |
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} \ |
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/**/ |
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#endif // #if VC6, VC7.0, Borland 5.x |
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#endif // #ifndef BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED
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