1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/iostreams/device/array.hpp Fri Jun 15 03:10:57 2012 +0200
1.3 @@ -0,0 +1,143 @@
1.4 +// (C) Copyright Jonathan Turkanis 2004.
1.5 +// Distributed under the Boost Software License, Version 1.0. (See accompanying
1.6 +// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt.)
1.7 +
1.8 +// See http://www.boost.org/libs/iostreams for documentation.
1.9 +
1.10 +#ifndef BOOST_IOSTREAMS_ARRAY_HPP_INCLUDED
1.11 +#define BOOST_IOSTREAMS_ARRAY_HPP_INCLUDED
1.12 +
1.13 +#if defined(_MSC_VER) && (_MSC_VER >= 1020)
1.14 +# pragma once
1.15 +#endif
1.16 +
1.17 +#include <boost/config.hpp> // BOOST_MSVC, make sure size_t is in std.
1.18 +#include <boost/detail/workaround.hpp>
1.19 +#include <cstddef> // std::size_t.
1.20 +#include <utility> // pair.
1.21 +#include <boost/iostreams/categories.hpp>
1.22 +#include <boost/preprocessor/cat.hpp>
1.23 +#include <boost/static_assert.hpp>
1.24 +#include <boost/type_traits/is_convertible.hpp>
1.25 +#include <boost/type_traits/is_same.hpp>
1.26 +
1.27 +namespace boost { namespace iostreams {
1.28 +
1.29 +namespace detail {
1.30 +
1.31 +template<typename Mode, typename Ch>
1.32 +class array_adapter {
1.33 +public:
1.34 + typedef Ch char_type;
1.35 + typedef std::pair<char_type*, char_type*> pair_type;
1.36 + struct category
1.37 + : public Mode,
1.38 + public device_tag,
1.39 + public direct_tag
1.40 + { };
1.41 + array_adapter(char_type* begin, char_type* end);
1.42 + array_adapter(char_type* begin, std::size_t length);
1.43 + array_adapter(const char_type* begin, const char_type* end);
1.44 + array_adapter(const char_type* begin, std::size_t length);
1.45 +#if !BOOST_WORKAROUND(BOOST_MSVC, < 1300)
1.46 + template<int N>
1.47 + array_adapter(char_type (&ar)[N])
1.48 + : begin_(ar), end_(ar + N)
1.49 + { }
1.50 +#endif
1.51 + pair_type input_sequence();
1.52 + pair_type output_sequence();
1.53 +private:
1.54 + char_type* begin_;
1.55 + char_type* end_;
1.56 +};
1.57 +
1.58 +} // End namespace detail.
1.59 +
1.60 +// Local macros, #undef'd below.
1.61 +#if !BOOST_WORKAROUND(BOOST_MSVC, <= 1300)
1.62 +# define BOOST_IOSTREAMS_ARRAY_CTOR(name, ch) \
1.63 + template<int N> \
1.64 + BOOST_PP_CAT(basic_, name)(ch (&ar)[N]) \
1.65 + : base_type(ar) { } \
1.66 + /**/
1.67 +#else
1.68 +# define BOOST_IOSTREAMS_ARRAY_CTOR(name, ch)
1.69 +#endif
1.70 +#define BOOST_IOSTREAMS_ARRAY(name, mode) \
1.71 + template<typename Ch> \
1.72 + struct BOOST_PP_CAT(basic_, name) : detail::array_adapter<mode, Ch> { \
1.73 + private: \
1.74 + typedef detail::array_adapter<mode, Ch> base_type; \
1.75 + public: \
1.76 + typedef typename base_type::char_type char_type; \
1.77 + typedef typename base_type::category category; \
1.78 + BOOST_PP_CAT(basic_, name)(char_type* begin, char_type* end) \
1.79 + : base_type(begin, end) { } \
1.80 + BOOST_PP_CAT(basic_, name)(char_type* begin, std::size_t length) \
1.81 + : base_type(begin, length) { } \
1.82 + BOOST_PP_CAT(basic_, name)(const char_type* begin, const char_type* end) \
1.83 + : base_type(begin, end) { } \
1.84 + BOOST_PP_CAT(basic_, name)(const char_type* begin, std::size_t length) \
1.85 + : base_type(begin, length) { } \
1.86 + BOOST_IOSTREAMS_ARRAY_CTOR(name, Ch) \
1.87 + }; \
1.88 + typedef BOOST_PP_CAT(basic_, name)<char> name; \
1.89 + typedef BOOST_PP_CAT(basic_, name)<wchar_t> BOOST_PP_CAT(w, name); \
1.90 + /**/
1.91 +BOOST_IOSTREAMS_ARRAY(array_source, input_seekable)
1.92 +BOOST_IOSTREAMS_ARRAY(array_sink, output_seekable)
1.93 +BOOST_IOSTREAMS_ARRAY(array, seekable)
1.94 +#undef BOOST_IOSTREAMS_ARRAY_CTOR
1.95 +#undef BOOST_IOSTREAMS_ARRAY
1.96 +
1.97 +
1.98 +//------------------Implementation of array_adapter---------------------------//
1.99 +
1.100 +namespace detail {
1.101 +
1.102 +template<typename Mode, typename Ch>
1.103 +array_adapter<Mode, Ch>::array_adapter
1.104 + (char_type* begin, char_type* end)
1.105 + : begin_(begin), end_(end)
1.106 + { }
1.107 +
1.108 +template<typename Mode, typename Ch>
1.109 +array_adapter<Mode, Ch>::array_adapter
1.110 + (char_type* begin, std::size_t length)
1.111 + : begin_(begin), end_(begin + length)
1.112 + { }
1.113 +
1.114 +template<typename Mode, typename Ch>
1.115 +array_adapter<Mode, Ch>::array_adapter
1.116 + (const char_type* begin, const char_type* end)
1.117 + : begin_(const_cast<char_type*>(begin)), // Treated as read-only.
1.118 + end_(const_cast<char_type*>(end)) // Treated as read-only.
1.119 +{ BOOST_STATIC_ASSERT((!is_convertible<Mode, output>::value)); }
1.120 +
1.121 +template<typename Mode, typename Ch>
1.122 +array_adapter<Mode, Ch>::array_adapter
1.123 + (const char_type* begin, std::size_t length)
1.124 + : begin_(const_cast<char_type*>(begin)), // Treated as read-only.
1.125 + end_(const_cast<char_type*>(begin) + length) // Treated as read-only.
1.126 +{ BOOST_STATIC_ASSERT((!is_convertible<Mode, output>::value)); }
1.127 +
1.128 +template<typename Mode, typename Ch>
1.129 +typename array_adapter<Mode, Ch>::pair_type
1.130 +array_adapter<Mode, Ch>::input_sequence()
1.131 +{ BOOST_STATIC_ASSERT((is_convertible<Mode, input>::value));
1.132 + return pair_type(begin_, end_); }
1.133 +
1.134 +template<typename Mode, typename Ch>
1.135 +typename array_adapter<Mode, Ch>::pair_type
1.136 +array_adapter<Mode, Ch>::output_sequence()
1.137 +{ BOOST_STATIC_ASSERT((is_convertible<Mode, output>::value));
1.138 + return pair_type(begin_, end_); }
1.139 +
1.140 +} // End namespace detail.
1.141 +
1.142 +//----------------------------------------------------------------------------//
1.143 +
1.144 +} } // End namespaces iostreams, boost.
1.145 +
1.146 +#endif // #ifndef BOOST_IOSTREAMS_ARRAY_HPP_INCLUDED