From b51965dddbed68f23c5e8c169c23c794313ce5f6 Mon Sep 17 00:00:00 2001
From: Boris Kolpackov <boris@codesynthesis.com>
Date: Tue, 28 Jun 2011 17:17:23 +0200
Subject: Add boost subset as an implementation detail

---
 cutl/details/boost/mpl/aux_/count_args.hpp | 105 +++++++++++++++++++++++++++++
 1 file changed, 105 insertions(+)
 create mode 100644 cutl/details/boost/mpl/aux_/count_args.hpp

(limited to 'cutl/details/boost/mpl/aux_/count_args.hpp')

diff --git a/cutl/details/boost/mpl/aux_/count_args.hpp b/cutl/details/boost/mpl/aux_/count_args.hpp
new file mode 100644
index 0000000..d53b11f
--- /dev/null
+++ b/cutl/details/boost/mpl/aux_/count_args.hpp
@@ -0,0 +1,105 @@
+
+// NO INCLUDE GUARDS, THE HEADER IS INTENDED FOR MULTIPLE INCLUSION
+
+// Copyright Aleksey Gurtovoy 2000-2004
+//
+// 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)
+//
+// See http://www.boost.org/libs/mpl for documentation.
+
+// $Id: count_args.hpp 49267 2008-10-11 06:19:02Z agurtovoy $
+// $Date: 2008-10-11 02:19:02 -0400 (Sat, 11 Oct 2008) $
+// $Revision: 49267 $
+
+#include <cutl/details/boost/preprocessor/expr_if.hpp>
+#include <cutl/details/boost/preprocessor/inc.hpp>
+#include <cutl/details/boost/preprocessor/cat.hpp>
+
+#if !defined(AUX778076_COUNT_ARGS_PARAM_NAME)
+#   define AUX778076_COUNT_ARGS_PARAM_NAME T
+#endif
+
+#if !defined(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
+#   define AUX778076_COUNT_ARGS_TEMPLATE_PARAM typename AUX778076_COUNT_ARGS_PARAM_NAME
+#endif
+
+// local macros, #undef-ined at the end of the header
+
+#if !defined(AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES)
+
+#   include <cutl/details/boost/mpl/aux_/preprocessor/repeat.hpp>
+#   include <cutl/details/boost/mpl/aux_/preprocessor/params.hpp>
+
+#   define AUX778076_COUNT_ARGS_REPEAT BOOST_MPL_PP_REPEAT
+#   define AUX778076_COUNT_ARGS_PARAMS(param) \
+    BOOST_MPL_PP_PARAMS( \
+          AUX778076_COUNT_ARGS_ARITY \
+        , param \
+        ) \
+    /**/
+
+#else
+
+#   include <cutl/details/boost/preprocessor/enum_shifted_params.hpp>
+#   include <cutl/details/boost/preprocessor/repeat.hpp>
+#   include <cutl/details/boost/preprocessor/inc.hpp>
+
+#   define AUX778076_COUNT_ARGS_REPEAT BOOST_PP_REPEAT
+#   define AUX778076_COUNT_ARGS_PARAMS(param) \
+    BOOST_PP_ENUM_SHIFTED_PARAMS( \
+          BOOST_PP_INC(AUX778076_COUNT_ARGS_ARITY) \
+        , param \
+        ) \
+    /**/
+
+#endif // AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
+
+
+#define AUX778076_IS_ARG_TEMPLATE_NAME \
+    BOOST_PP_CAT(is_,BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_arg)) \
+/**/
+
+#define AUX778076_COUNT_ARGS_FUNC(unused, i, param) \
+    BOOST_PP_EXPR_IF(i, +) \
+    AUX778076_IS_ARG_TEMPLATE_NAME<BOOST_PP_CAT(param,BOOST_PP_INC(i))>::value \
+/**/
+
+// is_<xxx>_arg
+template< AUX778076_COUNT_ARGS_TEMPLATE_PARAM >
+struct AUX778076_IS_ARG_TEMPLATE_NAME
+{
+    BOOST_STATIC_CONSTANT(bool, value = true);
+};
+
+template<>
+struct AUX778076_IS_ARG_TEMPLATE_NAME<AUX778076_COUNT_ARGS_DEFAULT>
+{
+    BOOST_STATIC_CONSTANT(bool, value = false);
+};
+
+// <xxx>_count_args
+template<
+      AUX778076_COUNT_ARGS_PARAMS(AUX778076_COUNT_ARGS_TEMPLATE_PARAM)
+    >
+struct BOOST_PP_CAT(AUX778076_COUNT_ARGS_PREFIX,_count_args)
+{
+    BOOST_STATIC_CONSTANT(int, value = AUX778076_COUNT_ARGS_REPEAT(
+          AUX778076_COUNT_ARGS_ARITY
+        , AUX778076_COUNT_ARGS_FUNC
+        , AUX778076_COUNT_ARGS_PARAM_NAME
+        ));
+};
+
+#undef AUX778076_COUNT_ARGS_FUNC
+#undef AUX778076_IS_ARG_TEMPLATE_NAME
+#undef AUX778076_COUNT_ARGS_PARAMS
+#undef AUX778076_COUNT_ARGS_REPEAT
+
+#undef AUX778076_COUNT_ARGS_ARITY
+#undef AUX778076_COUNT_ARGS_DEFAULT
+#undef AUX778076_COUNT_ARGS_PREFIX
+#undef AUX778076_COUNT_ARGS_USE_STANDARD_PP_PRIMITIVES
+#undef AUX778076_COUNT_ARGS_TEMPLATE_PARAM
+#undef AUX778076_COUNT_ARGS_PARAM_NAME
-- 
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