Spirit: Started to add repository of reusable Spirit components, added repository::karma::confix and some related tests

[SVN r52686]

include/boost/spirit/repository/karma.hpp

@@ -0,0 +1,17 @@
+//  Copyright (c) 2001-2009 Hartmut Kaiser
+//  Copyright (c) 2001-2009 Joel de Guzman
+//
+//  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_REPOSITORY_KARMA_APR_28_2009_1259PM)
+#define SPIRIT_REPOSITORY_KARMA_APR_28_2009_1259PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/repository/karma/confix.hpp>
+
+#endif
+

include/boost/spirit/repository/karma/confix.hpp

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+//  Copyright (c) 2001-2009 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_REPOSITORY_KARMA_CONFIX_AUG_19_2008_1041AM)
+#define BOOST_SPIRIT_REPOSITORY_KARMA_CONFIX_AUG_19_2008_1041AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/support/common_terminals.hpp>
+#include <boost/spirit/home/support/info.hpp>
+#include <boost/spirit/home/support/unused.hpp>
+#include <boost/spirit/home/support/attributes.hpp>
+#include <boost/spirit/home/karma/domain.hpp>
+#include <boost/spirit/home/karma/meta_compiler.hpp>
+
+#include <boost/spirit/repository/support/confix.hpp>
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit 
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Enablers
+    ///////////////////////////////////////////////////////////////////////////
+
+    // enables confix(..., ...)[]
+    template <typename Prefix, typename Suffix>
+    struct use_directive<karma::domain
+          , terminal_ex<repository::tag::confix, fusion::vector2<Prefix, Suffix> > >
+      : mpl::true_ {};
+
+    // enables *lazy* confix(..., ...)[g]
+    template <>
+    struct use_lazy_directive<karma::domain, repository::tag::confix, 2> 
+      : mpl::true_ {};
+
+}}
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit { namespace repository { namespace karma
+{
+    using repository::confix_type;
+    using repository::confix;
+
+    ///////////////////////////////////////////////////////////////////////////
+    // the director for a confix() generated generator
+    template <typename Subject, typename Prefix, typename Suffix>
+    struct confix_generator
+    {
+        typedef Subject subject_type;
+
+        template <typename Component, typename Context, typename Unused>
+        struct attribute
+        {
+            typedef typename
+                traits::attribute_of<subject_type, Context>::type
+            type;
+        };
+
+        confix_generator(Subject const& subject, Prefix const& prefix
+              , Suffix const& suffix)
+          : subject(subject), prefix(prefix), suffix(suffix) {}
+
+        ///////////////////////////////////////////////////////////////////////
+        template <typename OutputIterator, typename Context, typename Delimiter
+          , typename Attribute>
+        bool generate(OutputIterator& sink, Context& ctx, Delimiter const& d
+          , Attribute const& attr) const
+        {
+            // generate the prefix, the embedded item and the suffix
+            return prefix.generate(sink, ctx, d, unused) &&
+                   subject.generate(sink, ctx, d, attr) &&
+                   suffix.generate(sink, ctx, d, unused);
+        }
+
+        template <typename Context>
+        info what(Context const& ctx) const
+        {
+            return info("confix", subject.what(ctx));
+        }
+
+        Subject subject;
+        Prefix prefix;
+        Suffix suffix;
+    };
+
+}}}}
+
+///////////////////////////////////////////////////////////////////////////////
+namespace boost { namespace spirit { namespace karma
+{
+    ///////////////////////////////////////////////////////////////////////////
+    // Generator generators: make_xxx function (objects)
+    ///////////////////////////////////////////////////////////////////////////
+
+    // creates confix(..., ...)[] directive generator
+    template <typename Prefix, typename Suffix, typename Subject
+      , typename Modifiers>
+    struct make_directive<
+        terminal_ex<repository::tag::confix, fusion::vector2<Prefix, Suffix> >
+      , Subject, Modifiers>
+    {
+        typedef typename
+            result_of::compile<karma::domain, Prefix, Modifiers>::type
+        prefix_type;
+        typedef typename
+            result_of::compile<karma::domain, Suffix, Modifiers>::type
+        suffix_type;
+
+        typedef repository::karma::confix_generator<
+            Subject, prefix_type, suffix_type> result_type;
+
+        template <typename Terminal>
+        result_type operator()(Terminal const& term, Subject const& subject
+          , unused_type) const
+        {
+            return result_type(subject
+              , compile<karma::domain>(fusion::at_c<0>(term.args))
+              , compile<karma::domain>(fusion::at_c<1>(term.args)));
+        }
+    };
+
+}}}
+
+#endif

include/boost/spirit/repository/support/confix.hpp

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+//  Copyright (c) 2001-2009 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_REPOSITORY_SUPPORT_CONFIX_APR_28_2009_0110PM)
+#define BOOST_SPIRIT_REPOSITORY_SUPPORT_CONFIX_APR_28_2009_0110PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/support/terminal.hpp>
+
+namespace boost { namespace spirit { namespace repository
+{
+    // The confix extended terminal
+    BOOST_SPIRIT_DEFINE_TERMINALS_EX(( confix ))
+
+}}}
+
+#endif