[Boost-commit] svn:boost r58797 - in trunk/boost/spirit: home/qi home/qi/directive home/support include

Subject: [Boost-commit] svn:boost r58797 - in trunk/boost/spirit: home/qi home/qi/directive home/support include
From: hartmut.kaiser_at_[hidden]
Date: 2010-01-07 21:33:56

Author: hkaiser
Date: 2010-01-07 21:33:56 EST (Thu, 07 Jan 2010)
New Revision: 58797
URL: http://svn.boost.org/trac/boost/changeset/58797

Log:
Spirit: adding the matches.hpp[] directive
Added:
   trunk/boost/spirit/home/qi/directive/matches.hpp   (contents, props changed)
   trunk/boost/spirit/include/qi_matches.hpp   (contents, props changed)
Text files modified: 
   trunk/boost/spirit/home/qi/directive.hpp             |     3 ++-                                     
   trunk/boost/spirit/home/support/common_terminals.hpp |     1 +                                       
   2 files changed, 3 insertions(+), 1 deletions(-)

Modified: trunk/boost/spirit/home/qi/directive.hpp
==============================================================================
--- trunk/boost/spirit/home/qi/directive.hpp	(original)
+++ trunk/boost/spirit/home/qi/directive.hpp	2010-01-07 21:33:56 EST (Thu, 07 Jan 2010)
@@ -12,9 +12,10 @@
 #endif
 
 #include <boost/spirit/home/qi/directive/lexeme.hpp>
+#include <boost/spirit/home/qi/directive/matches.hpp>
+#include <boost/spirit/home/qi/directive/no_case.hpp>
 #include <boost/spirit/home/qi/directive/omit.hpp>
 #include <boost/spirit/home/qi/directive/raw.hpp>
-#include <boost/spirit/home/qi/directive/no_case.hpp>
 #include <boost/spirit/home/qi/directive/repeat.hpp>
 #include <boost/spirit/home/qi/directive/skip.hpp>
 

Added: trunk/boost/spirit/home/qi/directive/matches.hpp
==============================================================================
--- (empty file)
+++ trunk/boost/spirit/home/qi/directive/matches.hpp	2010-01-07 21:33:56 EST (Thu, 07 Jan 2010)
@@ -0,0 +1,97 @@
+/*=============================================================================
+    Copyright (c) 2001-2010 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(SPIRIT_MATCHES_JAN_07_2010_0745PM)
+#define SPIRIT_MATCHES_JAN_07_2010_0745PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/qi/meta_compiler.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/has_semantic_action.hpp>
+
+namespace boost { namespace spirit
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Enablers
+    ///////////////////////////////////////////////////////////////////////////
+    template <>
+    struct use_directive<qi::domain, tag::matches> // enables matches
+      : mpl::true_ {};
+}}
+
+namespace boost { namespace spirit { namespace qi
+{
+    using spirit::matches;
+    using spirit::matches_type;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // matches_directive returns whether the embedded parser matched
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Subject>
+    struct matches_directive : unary_parser<matches_directive<Subject> >
+    {
+        typedef Subject subject_type;
+        matches_directive(Subject const& subject)
+          : subject(subject) {}
+
+        template <typename Context, typename Iterator>
+        struct attribute
+        {
+            typedef bool 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
+        {
+            bool result = subject.parse(first, last, context, skipper, unused);
+            spirit::traits::assign_to(result, attr);
+            return result;
+        }
+
+        template <typename Context>
+        info what(Context& context) const
+        {
+            return info("matches", subject.what(context));
+        }
+
+        Subject subject;
+
+    private:
+        // silence MSVC warning C4512: assignment operator could not be generated
+        matches_directive& operator= (matches_directive const&);
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    // Parser generators: make_xxx function (objects)
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Subject, typename Modifiers>
+    struct make_directive<tag::matches, Subject, Modifiers>
+    {
+        typedef matches_directive<Subject> 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>
+    struct has_semantic_action<qi::matches_directive<Subject> >
+      : unary_has_semantic_action<Subject> {};
+}}}
+
+#endif

Modified: trunk/boost/spirit/home/support/common_terminals.hpp
==============================================================================
--- trunk/boost/spirit/home/support/common_terminals.hpp	(original)
+++ trunk/boost/spirit/home/support/common_terminals.hpp	2010-01-07 21:33:56 EST (Thu, 07 Jan 2010)
@@ -33,6 +33,7 @@
         ( buffer )
         ( true_ )
         ( false_ )
+        ( matches )
     )
 
     // Here we are reusing proto::lit

Added: trunk/boost/spirit/include/qi_matches.hpp
==============================================================================
--- (empty file)
+++ trunk/boost/spirit/include/qi_matches.hpp	2010-01-07 21:33:56 EST (Thu, 07 Jan 2010)
@@ -0,0 +1,18 @@
+/*=============================================================================
+    Copyright (c) 2001-2010 Joel de Guzman
+    Copyright (c) 2001-2010 Hartmut Kaiser
+    http://spirit.sourceforge.net/
+
+    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)
+=============================================================================*/
+#ifndef BOOST_SPIRIT_INCLUDE_QI_MATCHES
+#define BOOST_SPIRIT_INCLUDE_QI_MATCHES
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/qi/directive/matches.hpp>
+
+#endif