comparison DEPENDENCIES/generic/include/boost/spirit/home/karma/detail/generate.hpp @ 16:2665513ce2d3

Add boost headers

+//  Copyright (c) 2001-2011 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_DETAIL_GENERATE_FEB_20_2007_0959AM)
+#define BOOST_SPIRIT_KARMA_DETAIL_GENERATE_FEB_20_2007_0959AM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/karma/meta_compiler.hpp>
+#include <boost/spirit/home/karma/delimit_out.hpp>
+#include <boost/spirit/home/karma/delimit_flag.hpp>
+#include <boost/spirit/home/karma/detail/output_iterator.hpp>
+#include <boost/spirit/home/support/unused.hpp>
+#include <boost/mpl/assert.hpp>
+#include <boost/mpl/bool.hpp>
+
+namespace boost { namespace spirit { namespace karma { namespace detail
+{
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Expr, typename Enable = void>
+    struct generate_impl
+    {
+        // Report invalid expression error as early as possible.
+        // If you got an error_invalid_expression error message here,
+        // then the expression (Expr) is not a valid spirit karma expression.
+        // Did you intend to use the auto_ facilities while forgetting to 
+        // #include <boost/spirit/include/karma_auto.hpp>?
+        BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr);
+    };
+
+    template <typename Expr>
+    struct generate_impl<Expr
+      , typename enable_if<traits::matches<karma::domain, Expr> >::type>
+    {
+        template <typename OutputIterator>
+        static bool call(
+            OutputIterator& target_sink
+          , Expr const& expr)
+        {
+            typedef traits::properties_of<
+                typename result_of::compile<karma::domain, Expr>::type
+            > properties;
+
+            // wrap user supplied iterator into our own output iterator
+            output_iterator<OutputIterator
+              , mpl::int_<properties::value> > sink(target_sink);
+            return compile<karma::domain>(expr).
+                generate(sink, unused, unused, unused);
+        }
+
+        template <typename OutputIterator, typename Properties>
+        static bool call(
+            detail::output_iterator<OutputIterator, Properties>& sink
+          , Expr const& expr)
+        {
+            return compile<karma::domain>(expr).
+                generate(sink, unused, unused, unused);
+        }
+    };
+
+    ///////////////////////////////////////////////////////////////////////////
+    template <typename Expr, typename Enable = void>
+    struct generate_delimited_impl
+    {
+        // Report invalid expression error as early as possible.
+        // If you got an error_invalid_expression error message here,
+        // then the expression (Expr) is not a valid spirit karma expression.
+        // Did you intend to use the auto_ facilities while forgetting to 
+        // #include <boost/spirit/include/karma_auto.hpp>?
+        BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Expr);
+    };
+
+    template <typename Expr>
+    struct generate_delimited_impl<Expr
+      , typename enable_if<traits::matches<karma::domain, Expr> >::type>
+    {
+        template <typename OutputIterator, typename Delimiter>
+        static bool call(
+            OutputIterator& target_sink
+          , Expr const& expr
+          , Delimiter const& delimiter
+          , BOOST_SCOPED_ENUM(delimit_flag) pre_delimit)
+        {
+            typedef traits::properties_of<
+                typename result_of::compile<karma::domain, Expr>::type
+            > properties;
+            typedef traits::properties_of<
+                typename result_of::compile<karma::domain, Delimiter>::type
+            > delimiter_properties;
+
+            // wrap user supplied iterator into our own output iterator
+            detail::output_iterator<OutputIterator
+              , mpl::int_<properties::value | delimiter_properties::value>
+            > sink(target_sink);
+            return call(sink, expr, delimiter, pre_delimit);
+        }
+
+        template <typename OutputIterator, typename Properties
+          , typename Delimiter>
+        static bool call(
+            detail::output_iterator<OutputIterator, Properties>& sink
+          , Expr const& expr
+          , Delimiter const& delimiter
+          , BOOST_SCOPED_ENUM(delimit_flag) pre_delimit)
+        {
+            // Report invalid expression error as early as possible.
+            // If you got an error_invalid_expression error message here,
+            // then the delimiter is not a valid spirit karma expression.
+            BOOST_SPIRIT_ASSERT_MATCH(karma::domain, Delimiter);
+
+            typename result_of::compile<karma::domain, Delimiter>::type const 
+                delimiter_ = compile<karma::domain>(delimiter);
+
+            if (pre_delimit == delimit_flag::predelimit &&
+                !karma::delimit_out(sink, delimiter_))
+            {
+                return false;
+            }
+            return compile<karma::domain>(expr).
+                generate(sink, unused, delimiter_, unused);
+        }
+    };
+
+}}}}
+
+#endif
+