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

Add boost headers

+/*=============================================================================
+    Copyright (c) 2001-2011 Joel de Guzman
+    Copyright (c) 2001-2011 Hartmut Kaiser
+    Copyright (c)      2010 Bryce Lelbach
+
+    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(SPIRIT_AS_DECEMBER_6_2010_1013AM)
+#define SPIRIT_AS_DECEMBER_6_2010_1013AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/qi/meta_compiler.hpp>
+#include <boost/spirit/home/qi/skip_over.hpp>
+#include <boost/spirit/home/qi/parser.hpp>
+#include <boost/spirit/home/qi/detail/assign_to.hpp>
+#include <boost/spirit/home/support/unused.hpp>
+#include <boost/spirit/home/support/info.hpp>
+#include <boost/spirit/home/support/common_terminals.hpp>
+#include <boost/spirit/home/support/unused.hpp>
+#include <boost/spirit/home/support/has_semantic_action.hpp>
+#include <boost/spirit/home/support/handles_container.hpp>
+#include <boost/spirit/home/support/assert_msg.hpp>
+#include <boost/spirit/home/support/container.hpp>
+#include <boost/range/iterator_range.hpp>
+#include <string>
+
+namespace boost { namespace spirit { namespace qi
+{
+    template <typename T>
+    struct as
+      : stateful_tag_type<T, tag::as>
+    {
+        //~ BOOST_SPIRIT_ASSERT_MSG(
+            //~ (traits::is_container<T>::type::value),
+            //~ error_type_must_be_a_container,
+            //~ (T));
+    };
+}}}
+
+namespace boost { namespace spirit
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Enablers
+    ///////////////////////////////////////////////////////////////////////////
+    // enables as_string[...]
+    template <>
+    struct use_directive<qi::domain, tag::as_string>
+      : mpl::true_ {};
+
+    // enables as_wstring[...]
+    template <>
+    struct use_directive<qi::domain, tag::as_wstring>
+      : mpl::true_ {};
+
+    // enables as<T>[...]
+    template <typename T>
+    struct use_directive<qi::domain, tag::stateful_tag<T, tag::as> >
+      : mpl::true_
+    {};
+}}
+
+namespace boost { namespace spirit { namespace qi
+{
+#ifndef BOOST_SPIRIT_NO_PREDEFINED_TERMINALS
+    using spirit::as_string;
+    using spirit::as_wstring;
+#endif
+    using spirit::as_string_type;
+    using spirit::as_wstring_type;
+
+    template <typename Subject, typename T>
+    struct as_directive : unary_parser<as_directive<Subject, T> >
+    {
+        typedef Subject subject_type;
+        as_directive(Subject const& subject_)
+          : subject(subject_) {}
+
+        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
+        {
+            Iterator i = first;
+            T as_attr;
+            if (subject.parse(i, last, context, skipper, as_attr))
+            {
+                spirit::traits::assign_to(as_attr, attr_);
+                first = i;
+                return true;
+            }
+            return false;
+        }
+
+        template <typename Iterator, typename Context, typename Skipper>
+        bool parse(Iterator& first, Iterator const& last
+          , Context& context, Skipper const& skipper, T& attr_) const
+        {
+            Iterator i = first;
+            if (subject.parse(i, last, context, skipper, attr_))
+            {
+                first = i;
+                return true;
+            }
+            return false;
+        }
+
+        template <typename Context>
+        info what(Context& context) const
+        {
+            return info("as", subject.what(context));
+        }
+
+        Subject subject;
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Parser generators: make_xxx function (objects)
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Subject, typename Modifiers>
+    struct make_directive<tag::as_string, Subject, Modifiers>
+    {
+        typedef as_directive<Subject, std::string> result_type;
+        result_type operator()(unused_type, Subject const& subject
+          , unused_type) const
+        {
+            return result_type(subject);
+        }
+    };
+
+    template <typename Subject, typename Modifiers>
+    struct make_directive<tag::as_wstring, Subject, Modifiers>
+    {
+        typedef as_directive<Subject, std::basic_string<wchar_t> > result_type;
+        result_type operator()(unused_type, Subject const& subject
+          , unused_type) const
+        {
+            return result_type(subject);
+        }
+    };
+
+    template <typename T, typename Subject, typename Modifiers>
+    struct make_directive<tag::stateful_tag<T, tag::as>, Subject, Modifiers>
+    {
+        typedef as_directive<Subject, T> result_type;
+        result_type operator()(unused_type, Subject const& subject
+          , unused_type) const
+        {
+            return result_type(subject);
+        }
+    };
+}}}
+
+namespace boost { namespace spirit { namespace traits
+{
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Subject, typename T>
+    struct has_semantic_action<qi::as_directive<Subject, T> >
+      : unary_has_semantic_action<Subject> {};
+
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Subject, typename T, typename Attribute
+        , typename Context, typename Iterator>
+    struct handles_container<qi::as_directive<Subject, T>, Attribute
+        , Context, Iterator>
+      : mpl::false_ {};
+}}}
+
+#endif