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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_DETAIL_BROKEN_OVERLOAD_RESOLUTION_STREAM_BUFFER_HPP_INCLUDED
- #define BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_STREAM_BUFFER_HPP_INCLUDED
- #include <boost/iostreams/detail/broken_overload_resolution/forward.hpp>
- #include <boost/throw_exception.hpp>
- namespace boost { namespace iostreams {
- template< typename T,
- typename Tr =
- BOOST_IOSTREAMS_CHAR_TRAITS(
- BOOST_DEDUCED_TYPENAME char_type_of<T>::type
- ),
- typename Alloc =
- std::allocator<
- BOOST_DEDUCED_TYPENAME char_type_of<T>::type
- >,
- typename Mode = BOOST_DEDUCED_TYPENAME mode_of<T>::type >
- class stream_buffer
- : public detail::stream_buffer_traits<T, Tr, Alloc, Mode>::type
- {
- private:
- BOOST_STATIC_ASSERT((
- is_convertible<
- BOOST_DEDUCED_TYPENAME iostreams::category_of<T>::type, Mode
- >::value
- ));
- typedef typename
- detail::stream_buffer_traits<
- T, Tr, Alloc, Mode
- >::type base_type;
- public:
- typedef typename char_type_of<T>::type char_type;
- struct category
- : Mode,
- closable_tag,
- streambuf_tag
- { };
- BOOST_IOSTREAMS_STREAMBUF_TYPEDEFS(Tr)
- stream_buffer() { }
- ~stream_buffer()
- {
- try {
- if (this->is_open() && this->auto_close())
- this->close();
- } catch (...) { }
- }
- template<typename U0>
- stream_buffer(const U0& u0)
- {
- open_impl(detail::forward<T, U0>(), u0);
- }
- template<typename U0, typename U1>
- stream_buffer(const U0& u0, const U1& u1)
- {
- open_impl(detail::forward<T, U0>(), u0, u1);
- }
- template<typename U0, typename U1, typename U2>
- stream_buffer(const U0& u0, const U1& u1, const U2& u2)
- {
- open_impl(detail::forward<T, U0>(), u0, u1, u2);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0>
- stream_buffer(U0& u0)
- {
- open_impl(detail::forward<T, U0>(), u0);
- }
- template<typename U0, typename U1>
- stream_buffer(U0& u0, const U1& u1)
- {
- open_impl(detail::forward<T, U0>(), u0, u1);
- }
- template<typename U0, typename U1, typename U2>
- stream_buffer(U0& u0, const U1& u1, const U2& u2)
- {
- open_impl(detail::forward<T, U0>(), u0, u1, u2);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- template<typename U0>
- void open(const U0& u0)
- {
- open_impl(detail::forward<T, U0>(), u0);
- }
- template<typename U0, typename U1>
- void open(const U0& u0, const U1& u1)
- {
- open_impl(detail::forward<T, U0>(), u0, u1);
- }
- template<typename U0, typename U1, typename U2>
- void open(const U0& u0, const U1& u1, const U2& u2)
- {
- open_impl(detail::forward<T, U0>(), u0, u1, u2);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0>
- void open(U0& u0)
- {
- open_impl(detail::forward<T, U0>(), u0);
- }
- template<typename U0, typename U1>
- void open(U0& u0, const U1& u1)
- {
- open_impl(detail::forward<T, U0>(), u0, u1);
- }
- template<typename U0, typename U1, typename U2>
- void open(U0& u0, const U1& u1, const U2& u2)
- {
- open_impl(detail::forward<T, U0>(), u0, u1, u2);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- T& operator*() { return *this->component(); }
- T* operator->() { return this->component(); }
- private:
- template<typename U0>
- void open_impl(mpl::false_, const U0& u0)
- {
- base_type::open(const_cast<U0&>(u0), -1, -1);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0>
- void open_impl(mpl::false_, U0& u0)
- {
- base_type::open(detail::wrap(u0), -1, -1);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- template<typename U0>
- void open_impl(mpl::true_, const U0& u0)
- {
- base_type::open(T(const_cast<U0&>(u0)), -1, -1);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0>
- void open_impl(mpl::true_, U0& u0)
- {
- base_type::open(T(u0), -1, -1);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- template<typename U0, typename U1>
- void open_impl(mpl::false_, const U0& u0, const U1& u1)
- {
- base_type::open(u0, u1, -1);
- }
- template<typename U0, typename U1>
- void open_impl(mpl::true_, const U0& u0, const U1& u1)
- {
- base_type::open(T(const_cast<U0&>(u0), u1), -1, -1);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0, typename U1>
- void open_impl(mpl::true_, U0& u0, const U1& u1)
- {
- base_type::open(T(u0, u1), -1, -1);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- template<typename U0, typename U1, typename U2>
- void open_impl(mpl::false_, const U0& u0, const U1& u1, const U2& u2)
- {
- base_type::open(u0, u1, u2);
- }
- template<typename U0, typename U1, typename U2>
- void open_impl(mpl::true_, const U0& u0, const U1& u1, const U2& u2)
- {
- base_type::open(T(const_cast<U0&>(u0), u1, u2), -1, -1);
- }
- #if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------------//
- template<typename U0, typename U1, typename U2>
- void open_impl(mpl::true_, U0& u0, const U1& u1, const U2& u2)
- {
- base_type::open(T(u0, u1, u2), -1, -1);
- }
- #endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
- void check_open()
- {
- if (this->is_open())
- boost::throw_exception(BOOST_IOSTREAMS_FAILURE("already open"));
- }
- };
- } } // End namespaces iostreams, boost.
- #endif // BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_STREAM_BUFFER_HPP_INCLUDED
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