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Diffstat (limited to 'src/third_party/boost-1.69.0/boost/iostreams/concepts.hpp')
-rw-r--r-- | src/third_party/boost-1.69.0/boost/iostreams/concepts.hpp | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/third_party/boost-1.69.0/boost/iostreams/concepts.hpp b/src/third_party/boost-1.69.0/boost/iostreams/concepts.hpp new file mode 100644 index 00000000000..da4bfd69509 --- /dev/null +++ b/src/third_party/boost-1.69.0/boost/iostreams/concepts.hpp @@ -0,0 +1,129 @@ +// (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_CONCEPTS_HPP_INCLUDED +#define BOOST_IOSTREAMS_CONCEPTS_HPP_INCLUDED + +#if defined(_MSC_VER) +# pragma once +#endif + +#include <boost/config.hpp> // BOOST_MSVC +#include <boost/detail/workaround.hpp> +#include <boost/iostreams/categories.hpp> +#include <boost/iostreams/detail/default_arg.hpp> +#include <boost/iostreams/detail/ios.hpp> // openmode. +#include <boost/iostreams/positioning.hpp> +#include <boost/static_assert.hpp> +#include <boost/type_traits/is_convertible.hpp> + +namespace boost { namespace iostreams { + +//--------------Definitions of helper templates for device concepts-----------// + +template<typename Mode, typename Ch = char> +struct device { + typedef Ch char_type; + struct category + : Mode, + device_tag, + closable_tag, + localizable_tag + { }; + + void close() + { + using namespace detail; + BOOST_STATIC_ASSERT((!is_convertible<Mode, two_sequence>::value)); + } + + void close(BOOST_IOS::openmode) + { + using namespace detail; + BOOST_STATIC_ASSERT((is_convertible<Mode, two_sequence>::value)); + } + + template<typename Locale> + void imbue(const Locale&) { } +}; + +template<typename Mode, typename Ch = wchar_t> +struct wdevice : device<Mode, Ch> { }; + +typedef device<input> source; +typedef wdevice<input> wsource; +typedef device<output> sink; +typedef wdevice<output> wsink; + +//--------------Definitions of helper templates for simple filter concepts----// + +template<typename Mode, typename Ch = char> +struct filter { + typedef Ch char_type; + struct category + : Mode, + filter_tag, + closable_tag, + localizable_tag + { }; + + template<typename Device> + void close(Device&) + { + using namespace detail; + BOOST_STATIC_ASSERT((!is_convertible<Mode, two_sequence>::value)); + BOOST_STATIC_ASSERT((!is_convertible<Mode, dual_use>::value)); + } + + template<typename Device> + void close(Device&, BOOST_IOS::openmode) + { + using namespace detail; + BOOST_STATIC_ASSERT( + (is_convertible<Mode, two_sequence>::value) || + (is_convertible<Mode, dual_use>::value) + ); + } + + template<typename Locale> + void imbue(const Locale&) { } +}; + +template<typename Mode, typename Ch = wchar_t> +struct wfilter : filter<Mode, Ch> { }; + +typedef filter<input> input_filter; +typedef wfilter<input> input_wfilter; +typedef filter<output> output_filter; +typedef wfilter<output> output_wfilter; +typedef filter<seekable> seekable_filter; +typedef wfilter<seekable> seekable_wfilter; +typedef filter<dual_use> dual_use_filter; +typedef wfilter<dual_use> dual_use_wfilter; + +//------Definitions of helper templates for multi-character filter cncepts----// + +template<typename Mode, typename Ch = char> +struct multichar_filter : filter<Mode, Ch> { + struct category : filter<Mode, Ch>::category, multichar_tag { }; +}; + +template<typename Mode, typename Ch = wchar_t> +struct multichar_wfilter : multichar_filter<Mode, Ch> { }; + +typedef multichar_filter<input> multichar_input_filter; +typedef multichar_wfilter<input> multichar_input_wfilter; +typedef multichar_filter<output> multichar_output_filter; +typedef multichar_wfilter<output> multichar_output_wfilter; +typedef multichar_filter<dual_use> multichar_dual_use_filter; +typedef multichar_wfilter<dual_use> multichar_dual_use_wfilter; + +//----------------------------------------------------------------------------// + +} } // End namespaces iostreams, boost. + +#endif // #ifndef BOOST_IOSTREAMS_CONCEPTS_HPP_INCLUDED |