mirror of
https://github.com/boostorg/iostreams.git
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renamed from stream_facade.hpp
[SVN r30121]
This commit is contained in:
Jonathan Turkanis
179
include/boost/iostreams/detail/broken_overload_resolution/stream.hpp
Executable file
179
include/boost/iostreams/detail/broken_overload_resolution/stream.hpp
Executable file
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// (C) Copyright Jonathan Turkanis 2003.
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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_HPP_INCLUDED
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#define BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_STREAM_HPP_INCLUDED
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#include <boost/iostreams/detail/broken_overload_resolution/forward.hpp>
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namespace boost { namespace iostreams {
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template< typename Device,
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typename Tr =
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BOOST_IOSTREAMS_CHAR_TRAITS(
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BOOST_DEDUCED_TYPENAME char_type_of<Device>::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<Device>::type
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> >
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struct stream : detail::stream_base<Device, Tr, Alloc> {
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public:
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typedef typename char_type_of<Device>::type char_type;
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BOOST_IOSTREAMS_STREAMBUF_TYPEDEFS(Tr)
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private:
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typedef typename
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detail::stream_traits<
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Device, Tr
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>::type stream_type;
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typedef Device policy_type;
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public:
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stream() { }
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template<typename U0>
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stream(const U0& u0)
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{
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open_impl(detail::forward<Device, U0>(), u0);
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}
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template<typename U0, typename U1>
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stream(const U0& u0, const U1& u1)
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{
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open_impl(detail::forward<Device, U0>(), u0, u1);
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}
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template<typename U0, typename U1, typename U2>
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stream(const U0& u0, const U1& u1, const U2& u2)
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{
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open_impl(detail::forward<Device, 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(U0& u0)
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{
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open_impl(detail::forward<Device, U0>(), u0);
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}
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template<typename U0, typename U1>
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stream(U0& u0, const U1& u1)
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{
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open_impl(detail::forward<Device, U0>(), u0, u1);
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}
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template<typename U0, typename U1, typename U2>
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stream(U0& u0, const U1& u1, const U2& u2)
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{
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open_impl(detail::forward<Device, 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<Device, 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<Device, 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<Device, 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<Device, 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<Device, 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<Device, U0>(), u0, u1, u2);
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}
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#endif // !BOOST_WORKAROUND(BOOST_MSVC, <= 1300) //---------------------------//
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bool is_open() const { return this->member.is_open(); }
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void close() { this->member.close(); }
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bool auto_close() const { return this->member.auto_close(); }
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void set_auto_close(bool close) { this->member.set_auto_close(close); }
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bool strict_sync() { return this->member.strict_sync(); }
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Device& operator*() { return *this->member; }
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Device* operator->() { return &*this->member; }
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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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this->clear();
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this->member.open(u0);
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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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this->clear();
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this->member.open(detail::wrap(u0));
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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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this->clear();
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this->member.open(Device(const_cast<U0&>(u0)));
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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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this->clear();
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this->member.open(Device(u0));
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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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this->clear();
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this->member.open(u0, u1);
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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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this->clear();
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this->member.open(Device(const_cast<U0&>(u0), u1));
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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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this->clear();
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this->member.open(Device(u0, u1));
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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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this->clear();
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this->member.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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this->clear();
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this->member.open(Device(const_cast<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, 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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this->clear();
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this->member.open(Device(u0, u1, u2));
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}
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#endif
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};
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} } // End namespaces iostreams, boost.
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#endif BOOST_IOSTREAMS_DETAIL_BROKEN_OVERLOAD_RESOLUTION_STREAM_HPP_INCLUDED
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133
include/boost/iostreams/stream.hpp
Executable file
133
include/boost/iostreams/stream.hpp
Executable file
@@ -0,0 +1,133 @@
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// (C) Copyright Jonathan Turkanis 2003.
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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_STREAM_HPP_INCLUDED
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#define BOOST_IOSTREAMS_STREAM_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/iostreams/constants.hpp>
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#include <boost/iostreams/detail/char_traits.hpp>
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#include <boost/iostreams/detail/config/overload_resolution.hpp>
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#include <boost/iostreams/detail/forward.hpp>
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#include <boost/iostreams/detail/iostream.hpp> // standard streams.
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#include <boost/iostreams/detail/select.hpp>
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#include <boost/iostreams/stream_buffer.hpp>
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#include <boost/mpl/and.hpp>
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#include <boost/type_traits/is_convertible.hpp>
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namespace boost { namespace iostreams { namespace detail {
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template<typename Device, typename Tr>
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struct stream_traits {
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typedef typename char_type_of<Device>::type char_type;
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typedef Tr traits_type;
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typedef typename category_of<Device>::type mode;
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typedef typename
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iostreams::select< // Dismbiguation required for Tru64.
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mpl::and_<
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is_convertible<mode, input>,
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is_convertible<mode, output>
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>,
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BOOST_IOSTREAMS_BASIC_IOSTREAM(char_type, traits_type),
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is_convertible<mode, input>,
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BOOST_IOSTREAMS_BASIC_ISTREAM(char_type, traits_type),
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else_,
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BOOST_IOSTREAMS_BASIC_OSTREAM(char_type, traits_type)
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>::type type;
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};
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// By encapsulating initialization in a base, we can define the macro
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// BOOST_IOSTREAMS_DEFINE_FORWARDING_FUNCTIONS to generate constuctors
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// without base member initializer lists.
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template< typename Device,
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typename Tr =
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BOOST_IOSTREAMS_CHAR_TRAITS(
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BOOST_DEDUCED_TYPENAME char_type_of<Device>::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<Device>::type
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>,
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typename Base = // VC6 Workaround.
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BOOST_DEDUCED_TYPENAME
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detail::stream_traits<Device, Tr>::type >
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class stream_base
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: protected base_from_member< stream_buffer<Device, Tr, Alloc> >,
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public Base
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{
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private:
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typedef base_from_member< stream_buffer<Device, Tr, Alloc> > pbase_type;
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typedef typename stream_traits<Device, Tr>::type stream_type;
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protected:
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using pbase_type::member; // Avoid warning about 'this' in initializer list.
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public:
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stream_base() : pbase_type(), stream_type(&member) { }
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};
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} } } // End namespaces detail, iostreams, boost.
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#ifdef BOOST_IOSTREAMS_BROKEN_OVERLOAD_RESOLUTION
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# include <boost/iostreams/detail/broken_overload_resolution/stream.hpp>
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#else
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namespace boost { namespace iostreams {
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//
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// Template name: stream.
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// Description: A iostream which reads from and writes to an instance of a
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// designated device type.
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// Template paramters:
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// Device - A device type.
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// Alloc - The allocator type.
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//
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template< typename Device,
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typename Tr =
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BOOST_IOSTREAMS_CHAR_TRAITS(
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BOOST_DEDUCED_TYPENAME char_type_of<Device>::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<Device>::type
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> >
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struct stream : detail::stream_base<Device, Tr, Alloc> {
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public:
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typedef typename char_type_of<Device>::type char_type;
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BOOST_IOSTREAMS_STREAMBUF_TYPEDEFS(Tr)
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private:
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typedef typename
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detail::stream_traits<
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Device, Tr
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>::type stream_type;
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typedef Device policy_type;
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public:
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stream() { }
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BOOST_IOSTREAMS_FORWARD( stream, open_impl, Device,
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BOOST_IOSTREAMS_PUSH_PARAMS,
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BOOST_IOSTREAMS_PUSH_ARGS )
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bool is_open() const { return this->member.is_open(); }
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void close() { this->member.close(); }
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bool auto_close() const { return this->member.auto_close(); }
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void set_auto_close(bool close) { this->member.set_auto_close(close); }
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bool strict_sync() { return this->member.strict_sync(); }
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Device& operator*() { return *this->member; }
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Device* operator->() { return &*this->member; }
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Device* component() { return this->member.component(); }
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private:
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void open_impl(const Device& dev BOOST_IOSTREAMS_PUSH_PARAMS()) // For forwarding.
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{
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this->clear();
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this->member.open(dev BOOST_IOSTREAMS_PUSH_ARGS());
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}
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};
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} } // End namespaces iostreams, boost.
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#endif // #ifdef BOOST_IOSTREAMS_BROKEN_OVERLOAD_RESOLUTION
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#endif // #ifndef BOOST_IOSTREAMS_stream_HPP_INCLUDED
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