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