// (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_DETAIL_PUSH_HPP_INCLUDED

#define BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED 



#if defined(_MSC_VER) && (_MSC_VER >= 1020)

# pragma once

#endif                    

 

#include <boost/config.hpp> // BOOST_MSVC.

#include <boost/detail/workaround.hpp>

#include <boost/iostreams/categories.hpp>

#include <boost/iostreams/categories.hpp>

#include <boost/iostreams/detail/adapter/range_adapter.hpp>

#include <boost/iostreams/detail/config/wide_streams.hpp>

#include <boost/iostreams/detail/enable_if_stream.hpp>   

#include <boost/iostreams/pipeline.hpp>   

#include <boost/iostreams/detail/push_params.hpp>   

#include <boost/iostreams/detail/resolve.hpp>

#include <boost/mpl/bool.hpp>   

#include <boost/preprocessor/cat.hpp> 

#include <boost/preprocessor/control/iif.hpp>

#include <boost/static_assert.hpp>

#include <boost/type_traits/is_convertible.hpp>



//

// Macro: BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper).

// Description: Defines overloads with name 'name' which forward to a function

//      'helper' which takes a filter or devide by const reference.

//

#define BOOST_IOSTREAMS_DEFINE_PUSH_CONSTRUCTOR(name, mode, ch, helper) \

    BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 0, ?) \

    /**/



//

// Macro: BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper).

// Description: Defines constructors which forward to a function

//      'helper' which takes a filter or device by const reference.

//

#define BOOST_IOSTREAMS_DEFINE_PUSH(name, mode, ch, helper) \

    BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, 1, void) \

    /**/



//--------------------Definition of BOOST_IOSTREAMS_DEFINE_PUSH_IMPL----------//

          

#define BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, arg, helper, has_return) \

    this->helper( ::boost::iostreams::detail::resolve<mode, ch>(arg) \

                  BOOST_IOSTREAMS_PUSH_ARGS() ); \

    /**/



#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) && \

    !BOOST_WORKAROUND(__BORLANDC__, < 0x600) \

    /**/

# ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES

#  define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \

    template<typename CharType, typename TraitsType> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(::std::basic_streambuf<CharType, TraitsType>& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \

    template<typename CharType, typename TraitsType> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(::std::basic_istream<CharType, TraitsType>& is BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \

      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \

    template<typename CharType, typename TraitsType> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(::std::basic_ostream<CharType, TraitsType>& os BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \

      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \

    template<typename CharType, typename TraitsType> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(::std::basic_iostream<CharType, TraitsType>& io BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \

    template<typename Iter> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_PP_EXPR_IF(has_return, return) \

    this->helper( ::boost::iostreams::detail::range_adapter< \

                      mode, iterator_range<Iter> \

                  >(rng) \

                  BOOST_IOSTREAMS_PUSH_ARGS() ); } \

    template<typename Pipeline, typename Concept> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \

    { p.push(*this); } \

    template<typename T> \

    BOOST_PP_IIF(has_return, result, explicit) \

    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \

    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \

                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \

    /**/

# else // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES

#  define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \

    BOOST_PP_IF(has_return, result, explicit) \

    name(::std::streambuf& sb BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, sb, helper, has_return); } \

    BOOST_PP_IF(has_return, result, explicit) \

    name(::std::istream& is BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_STATIC_ASSERT((!is_convertible<mode, output>::value)); \

      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, is, helper, has_return); } \

    BOOST_PP_IF(has_return, result, explicit) \

    name(::std::ostream& os BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_STATIC_ASSERT((!is_convertible<mode, input>::value)); \

      BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, os, helper, has_return); } \

    BOOST_PP_IF(has_return, result, explicit) \

    name(::std::iostream& io BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_IOSTREAMS_ADAPT_STREAM(mode, ch, io, helper, has_return); } \

    template<typename Iter> \

    BOOST_PP_IF(has_return, result, explicit) \

    name(const iterator_range<Iter>& rng BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { BOOST_PP_EXPR_IF(has_return, return) \

    this->helper( ::boost::iostreams::detail::range_adapter< \

                      mode, iterator_range<Iter> \

                  >(rng) \

                  BOOST_IOSTREAMS_PUSH_ARGS() ); } \

    template<typename Pipeline, typename Concept> \

    BOOST_PP_IF(has_return, result, explicit) \

    name(const ::boost::iostreams::pipeline<Pipeline, Concept>& p) \

    { p.push(*this); } \

    template<typename T> \

    BOOST_PP_EXPR_IF(has_return, result) \

    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS() BOOST_IOSTREAMS_DISABLE_IF_STREAM(T)) \

    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \

                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \

    /**/

# endif // # ifndef BOOST_IOSTREAMS_NO_STREAM_TEMPLATES

#else // #if VC6, VC7.0, Borland 5.x

# define BOOST_IOSTREAMS_DEFINE_PUSH_IMPL(name, mode, ch, helper, has_return, result) \

    template<typename T> \

    void BOOST_PP_CAT(name, _msvc_impl) \

    ( ::boost::mpl::true_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \

    { t.push(*this); } \

    template<typename T> \

    void BOOST_PP_CAT(name, _msvc_impl) \

    ( ::boost::mpl::false_, const T& t BOOST_IOSTREAMS_PUSH_PARAMS() ) \

    { this->helper( ::boost::iostreams::detail::resolve<mode, ch>(t) \

                    BOOST_IOSTREAMS_PUSH_ARGS() ); } \

    template<typename T> \

    BOOST_PP_IF(has_return, result, explicit) \

    name(const T& t BOOST_IOSTREAMS_PUSH_PARAMS()) \

    { \

        this->BOOST_PP_CAT(name, _msvc_impl) \

              ( ::boost::iostreams::detail::is_pipeline<T>(), \

                t BOOST_IOSTREAMS_PUSH_ARGS() ); \

    } \

    /**/

#endif // #if VC6, VC7.0, Borland 5.x



#endif // #ifndef BOOST_IOSTREAMS_DETAIL_PUSH_HPP_INCLUDED

