Initial Commit

2018-02-08 21:28:33 -05:00
commit 678c1d3966
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+/*=============================================================================
+    Copyright (c) 2003 Jonathan de Halleux (dehalleux@pelikhan.com)
+    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_ACTOR_REF_ACTOR_HPP
+#define BOOST_SPIRIT_ACTOR_REF_ACTOR_HPP
+
+#include <boost/spirit/home/classic/namespace.hpp>
+
+namespace boost { namespace spirit {
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_BEGIN
+
+    ///////////////////////////////////////////////////////////////////////////
+    //  Summary:
+    //  A semantic action policy holder. This holder stores a reference to ref,
+    //  act methods are fead with this reference. The parse result is not used
+    //  by this holder.
+    //
+    //  (This doc uses convention available in actors.hpp)
+    //
+    //  Constructor:
+    //      ...(T& ref_);
+    //      where ref_ is stored.
+    //
+    //  Action calls:
+    //      act(ref);
+    //
+    //  () operators: both
+    //
+    ///////////////////////////////////////////////////////////////////////////
+    template<
+        typename T,
+        typename ActionT
+    >
+    class ref_actor : public ActionT
+    {
+    private:
+        T& ref;
+    public:
+        explicit
+        ref_actor(T& ref_)
+        : ref(ref_){}
+
+
+        template<typename T2>
+        void operator()(T2 const& /*val*/) const
+        {
+            this->act(ref); // defined in ActionT
+        }
+
+
+        template<typename IteratorT>
+        void operator()(
+            IteratorT const& /*first*/,
+            IteratorT const& /*last*/
+            ) const
+        {
+            this->act(ref); // defined in ActionT
+        }
+    };
+
+BOOST_SPIRIT_CLASSIC_NAMESPACE_END
+
+}}
+
+#endif