[Boost-commit] svn:boost r47226 - in trunk: boost/spirit/home/karma boost/spirit/home/karma/auxiliary libs/spirit/test/karma

From: hartmut.kaiser_at_[hidden]
Date: 2008-07-08 11:21:30

Author: hkaiser
Date: 2008-07-08 11:21:30 EDT (Tue, 08 Jul 2008)
New Revision: 47226
URL: http://svn.boost.org/trac/boost/changeset/47226

Log:
Spirit: Added karma::eol generator
Added:
   trunk/boost/spirit/home/karma/auxiliary/eol.hpp   (contents, props changed)
   trunk/libs/spirit/test/karma/eol.cpp   (contents, props changed)
Text files modified: 
   trunk/boost/spirit/home/karma/auxiliary.hpp              |     1 +                                       
   trunk/boost/spirit/home/karma/auxiliary/meta_grammar.hpp |     3 +++                                     
   2 files changed, 4 insertions(+), 0 deletions(-)

Modified: trunk/boost/spirit/home/karma/auxiliary.hpp
==============================================================================
--- trunk/boost/spirit/home/karma/auxiliary.hpp	(original)
+++ trunk/boost/spirit/home/karma/auxiliary.hpp	2008-07-08 11:21:30 EDT (Tue, 08 Jul 2008)
@@ -8,6 +8,7 @@
 
 #include <boost/spirit/home/karma/auxiliary/none.hpp>
 #include <boost/spirit/home/karma/auxiliary/eps.hpp>
+#include <boost/spirit/home/karma/auxiliary/eol.hpp>
 #include <boost/spirit/home/karma/auxiliary/lazy.hpp>
 #include <boost/spirit/home/karma/auxiliary/functor.hpp>
 #include <boost/spirit/home/karma/auxiliary/functor_director.hpp>

Added: trunk/boost/spirit/home/karma/auxiliary/eol.hpp
==============================================================================
--- (empty file)
+++ trunk/boost/spirit/home/karma/auxiliary/eol.hpp	2008-07-08 11:21:30 EDT (Tue, 08 Jul 2008)
@@ -0,0 +1,43 @@
+//  Copyright (c) 2001-2008 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_KARMA_EOL_JUL_08_2008_1014AM)
+#define BOOST_SPIRIT_KARMA_EOL_JUL_08_2008_1014AM
+
+#include <boost/spirit/home/karma/domain.hpp>
+#include <boost/spirit/home/karma/delimit.hpp>
+#include <boost/spirit/home/support/unused.hpp>
+
+namespace boost { namespace spirit { namespace karma
+{
+    struct eol_generator
+    {
+        template <typename Component, typename Context, typename Unused>
+        struct attribute
+        {
+            typedef unused_type type;
+        };
+
+        template <typename Component, typename OutputIterator, 
+            typename Context, typename Delimiter, typename Parameter>
+        static bool 
+        generate(Component const& /*component*/, OutputIterator& sink, 
+            Context& /*ctx*/, Delimiter const& d, Parameter const& /*param*/) 
+        {
+            detail::generate_to(sink, '\n');
+            karma::delimit(sink, d);          // always do post-delimiting
+            return true;
+        }
+
+        template <typename Component>
+        static std::string what(Component const&)
+        {
+            return "eol";
+        }
+    };
+
+}}}
+
+#endif

Modified: trunk/boost/spirit/home/karma/auxiliary/meta_grammar.hpp
==============================================================================
--- trunk/boost/spirit/home/karma/auxiliary/meta_grammar.hpp	(original)
+++ trunk/boost/spirit/home/karma/auxiliary/meta_grammar.hpp	2008-07-08 11:21:30 EDT (Tue, 08 Jul 2008)
@@ -24,6 +24,7 @@
     ///////////////////////////////////////////////////////////////////////////
     struct none;
     struct eps_generator;
+    struct eol_generator;
     struct semantic_predicate;
     struct lazy_generator;
     struct functor_director;
@@ -45,6 +46,8 @@
                 karma::domain, tag::none, none>,
             meta_grammar::empty_terminal_rule<
                 karma::domain, tag::eps, eps_generator>,
+            meta_grammar::empty_terminal_rule<
+                karma::domain, tag::eol, eol_generator>,
             meta_grammar::function1_rule<
                 karma::domain, tag::eps, semantic_predicate>,
             meta_grammar::function1_rule<

Added: trunk/libs/spirit/test/karma/eol.cpp
==============================================================================
--- (empty file)
+++ trunk/libs/spirit/test/karma/eol.cpp	2008-07-08 11:21:30 EDT (Tue, 08 Jul 2008)
@@ -0,0 +1,33 @@
+//  Copyright (c) 2001-2008 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)
+
+#include <boost/config/warning_disable.hpp>
+#include <boost/detail/lightweight_test.hpp>
+#include <boost/spirit/include/karma_auxiliary.hpp>
+#include <boost/spirit/include/karma_char.hpp>
+#include <boost/spirit/include/karma_generate.hpp>
+
+#include <iostream>
+#include "test.hpp"
+
+int
+main()
+{
+    using namespace spirit_test;
+    using namespace boost::spirit;
+    using namespace boost::spirit::ascii;
+
+    {
+        BOOST_TEST((test("\n", eol)));
+        BOOST_TEST((test("\n", eol)));
+    }
+
+    {
+        BOOST_TEST((test_delimited("\n ", eol, space)));
+        BOOST_TEST((test_delimited("\n ", eol, space)));
+    }
+
+    return boost::report_errors();
+}