comparison DEPENDENCIES/generic/include/boost/spirit/home/qi/stream/stream.hpp @ 16:2665513ce2d3

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Hartmut Kaiser
+
+    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)
+==============================================================================*/
+#if !defined(BOOST_SPIRIT_STREAM_MAY_05_2007_1228PM)
+#define BOOST_SPIRIT_STREAM_MAY_05_2007_1228PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/qi/detail/string_parse.hpp>
+#include <boost/spirit/home/qi/stream/detail/match_manip.hpp>
+#include <boost/spirit/home/qi/stream/detail/iterator_source.hpp>
+#include <boost/spirit/home/support/detail/hold_any.hpp>
+
+#include <iosfwd>
+#include <sstream>
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Enablers
+    ///////////////////////////////////////////////////////////////////////////
+    template <>
+    struct use_terminal<qi::domain, tag::stream> // enables stream
+      : mpl::true_ {};
+
+    template <>
+    struct use_terminal<qi::domain, tag::wstream> // enables wstream
+      : mpl::true_ {};
+}}
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit { namespace qi
+{
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+    using spirit::stream;
+    using spirit::wstream;
+#endif
+    using spirit::stream_type;
+    using spirit::wstream_type;
+
+    template <typename Char = char, typename T = spirit::basic_hold_any<char> >
+    struct stream_parser
+      : primitive_parser<stream_parser<Char, T> >
+    {
+        template <typename Context, typename Iterator>
+        struct attribute
+        {
+            typedef T type;
+        };
+
+        template <typename Iterator, typename Context
+          , typename Skipper, typename Attribute>
+        bool parse(Iterator& first, Iterator const& last
+          , Context& /*context*/, Skipper const& skipper
+          , Attribute& attr_) const
+        {
+            typedef qi::detail::iterator_source<Iterator> source_device;
+            typedef boost::iostreams::stream<source_device> instream;
+
+            qi::skip_over(first, last, skipper);
+
+            instream in(first, last);           // copies 'first'
+            in >> attr_;                        // use existing operator>>()
+
+            // advance the iterator if everything is ok
+            if (in) {
+                std::streamsize pos = in.tellg();
+                std::advance(first, pos);
+                return true;
+            }
+
+            return false;
+        }
+
+        template <typename Context>
+        info what(Context& /*context*/) const
+        {
+            return info("stream");
+        }
+    };
+
+    template <typename T, typename Char = char>
+    struct typed_stream
+      : proto::terminal<stream_parser<Char, T> >::type
+    {
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Parser generators: make_xxx function (objects)
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Char>
+    struct make_stream
+    {
+        typedef stream_parser<Char> result_type;
+        result_type operator()(unused_type, unused_type) const
+        {
+            return result_type();
+        }
+    };
+
+    template <typename Modifiers>
+    struct make_primitive<tag::stream, Modifiers> : make_stream<char> {};
+
+    template <typename Modifiers>
+    struct make_primitive<tag::wstream, Modifiers> : make_stream<wchar_t> {};
+}}}
+
+#endif