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