comparison DEPENDENCIES/generic/include/boost/spirit/home/karma/detail/unused_delimiter.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_UNUSED_DELIMITER_MAR_15_2009_0923PM)
+#define BOOST_SPIRIT_KARMA_UNUSED_DELIMITER_MAR_15_2009_0923PM
+
+#if defined(_MSC_VER)
+#pragma once
+#endif
+
+#include <boost/spirit/home/support/unused.hpp>
+
+namespace boost { namespace spirit { namespace karma { namespace detail
+{
+    template <typename Delimiter>
+    struct unused_delimiter : unused_type
+    {
+        unused_delimiter(Delimiter const& delim)
+          : delimiter(delim) {}
+        Delimiter const& delimiter;
+
+    private:
+        // silence MSVC warning C4512: assignment operator could not be generated
+        unused_delimiter& operator= (unused_delimiter const&);
+    };
+
+    // If a surrounding verbatim[] directive was specified, the current
+    // delimiter is of the type unused_delimiter. In this case we 
+    // re-activate the delimiter which was active before the verbatim[]
+    // directive.
+    template <typename Delimiter, typename Default>
+    inline Delimiter const& 
+    get_delimiter(unused_delimiter<Delimiter> const& u, Default const&)
+    {
+        return u.delimiter;
+    }
+
+    // If no surrounding verbatim[] directive was specified we activate
+    // a single space as the delimiter to use.
+    template <typename Delimiter, typename Default>
+    inline Default const& 
+    get_delimiter(Delimiter const&, Default const& d)
+    {
+        return d;
+    }
+
+}}}}
+
+#endif