1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/os/ossrv/ossrv_pub/boost_apis/boost/iostreams/concepts.hpp	Fri Jun 15 03:10:57 2012 +0200
     1.3 @@ -0,0 +1,128 @@
     1.4 +// (C) Copyright Jonathan Turkanis 2003.
     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_CONCEPTS_HPP_INCLUDED
    1.11 +#define BOOST_IOSTREAMS_CONCEPTS_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
    1.18 +#include <boost/detail/workaround.hpp>
    1.19 +#include <boost/iostreams/categories.hpp>
    1.20 +#include <boost/iostreams/detail/default_arg.hpp>
    1.21 +#include <boost/iostreams/detail/ios.hpp>  // openmode.
    1.22 +#include <boost/iostreams/positioning.hpp>
    1.23 +#include <boost/static_assert.hpp>
    1.24 +#include <boost/type_traits/is_convertible.hpp>
    1.25 +
    1.26 +namespace boost { namespace iostreams {
    1.27 +
    1.28 +//--------------Definitions of helper templates for device concepts-----------//
    1.29 +
    1.30 +template<typename Mode, typename Ch = BOOST_IOSTREAMS_DEFAULT_ARG(char)>
    1.31 +struct device {
    1.32 +    typedef Ch char_type;
    1.33 +    struct category
    1.34 +        : Mode,
    1.35 +          device_tag,
    1.36 +          closable_tag,
    1.37 +          localizable_tag
    1.38 +        { };
    1.39 +
    1.40 +    void close()
    1.41 +    {
    1.42 +        using namespace detail;
    1.43 +        BOOST_STATIC_ASSERT((!is_convertible<Mode, two_sequence>::value));
    1.44 +    }
    1.45 +
    1.46 +    void close(BOOST_IOS::openmode)
    1.47 +    {
    1.48 +        using namespace detail;
    1.49 +        BOOST_STATIC_ASSERT((is_convertible<Mode, two_sequence>::value));
    1.50 +    }
    1.51 +
    1.52 +    template<typename Locale>
    1.53 +    void imbue(const Locale&) { }
    1.54 +};
    1.55 +
    1.56 +template<typename Mode, typename Ch = BOOST_IOSTREAMS_DEFAULT_ARG(wchar_t)>
    1.57 +struct wdevice : device<Mode, Ch> { };
    1.58 +
    1.59 +typedef device<input>    source;
    1.60 +typedef wdevice<input>   wsource;
    1.61 +typedef device<output>   sink;
    1.62 +typedef wdevice<output>  wsink;
    1.63 +
    1.64 +//--------------Definitions of helper templates for simple filter concepts----//
    1.65 +
    1.66 +template<typename Mode, typename Ch = BOOST_IOSTREAMS_DEFAULT_ARG(char)>
    1.67 +struct filter {
    1.68 +    typedef Ch char_type;
    1.69 +    struct category
    1.70 +        : Mode,
    1.71 +          filter_tag,
    1.72 +          closable_tag,
    1.73 +          localizable_tag
    1.74 +        { };
    1.75 +
    1.76 +    template<typename Device>
    1.77 +    void close(Device&)
    1.78 +    {
    1.79 +        using namespace detail;
    1.80 +        BOOST_STATIC_ASSERT((!is_convertible<Mode, two_sequence>::value));
    1.81 +        BOOST_STATIC_ASSERT((!is_convertible<Mode, dual_use>::value));
    1.82 +    }
    1.83 +
    1.84 +    template<typename Device>
    1.85 +    void close(Device&, BOOST_IOS::openmode)
    1.86 +    {
    1.87 +        using namespace detail;
    1.88 +        BOOST_STATIC_ASSERT(
    1.89 +            (is_convertible<Mode, two_sequence>::value) ||
    1.90 +            (is_convertible<Mode, dual_use>::value)
    1.91 +        );
    1.92 +    }
    1.93 +
    1.94 +    template<typename Locale>
    1.95 +    void imbue(const Locale&) { }
    1.96 +};
    1.97 +
    1.98 +template<typename Mode, typename Ch = BOOST_IOSTREAMS_DEFAULT_ARG(wchar_t)>
    1.99 +struct wfilter : filter<Mode, Ch> { };
   1.100 +
   1.101 +typedef filter<input>      input_filter;
   1.102 +typedef wfilter<input>     input_wfilter;
   1.103 +typedef filter<output>     output_filter;
   1.104 +typedef wfilter<output>    output_wfilter;
   1.105 +typedef filter<seekable>   seekable_filter;
   1.106 +typedef wfilter<seekable>  seekable_wfilter;
   1.107 +typedef filter<dual_use>   dual_use_filter;
   1.108 +typedef wfilter<dual_use>  dual_use_wfilter;
   1.109 +        
   1.110 +//------Definitions of helper templates for multi-character filter cncepts----//
   1.111 +
   1.112 +template<typename Mode, typename Ch = char>
   1.113 +struct multichar_filter : filter<Mode, Ch> {
   1.114 +    struct category : filter<Mode, Ch>::category, multichar_tag { };
   1.115 +};
   1.116 +
   1.117 +template<typename Mode, typename Ch = wchar_t>
   1.118 +struct multichar_wfilter : multichar_filter<Mode, Ch> { };
   1.119 +
   1.120 +typedef multichar_filter<input>     multichar_input_filter;
   1.121 +typedef multichar_filter<input>     multichar_input_wfilter;
   1.122 +typedef multichar_filter<output>    multichar_output_filter;
   1.123 +typedef multichar_filter<output>    multichar_output_wfilter;
   1.124 +typedef multichar_filter<dual_use>  multichar_dual_use_filter;
   1.125 +typedef multichar_filter<dual_use>  multichar_dual_use_wfilter;
   1.126 +
   1.127 +//----------------------------------------------------------------------------//
   1.128 +
   1.129 +} } // End namespaces iostreams, boost.
   1.130 +
   1.131 +#endif // #ifndef BOOST_IOSTREAMS_CONCEPTS_HPP_INCLUDED