pop_front.hpp

00001 # /* **************************************************************************
00002 #  *                                                                          *
00003 #  *     (C) Copyright Edward Diener 2013.
00004 #  *     Distributed under the Boost Software License, Version 1.0. (See
00005 #  *     accompanying file LICENSE_1_0.txt or copy at
00006 #  *     http://www.boost.org/LICENSE_1_0.txt)
00007 #  *                                                                          *
00008 #  ************************************************************************** */
00009 #
00010 # /* See http://www.boost.org for most recent version. */
00011 #
00012 # ifndef MSGPACK_PREPROCESSOR_TUPLE_POP_FRONT_HPP
00013 # define MSGPACK_PREPROCESSOR_TUPLE_POP_FRONT_HPP
00014 #
00015 # include <msgpack/preprocessor/config/config.hpp>
00016 #
00017 # if MSGPACK_PP_VARIADICS
00018 #
00019 # include <msgpack/preprocessor/array/pop_front.hpp>
00020 # include <msgpack/preprocessor/array/to_tuple.hpp>
00021 # include <msgpack/preprocessor/comparison/greater.hpp>
00022 # include <msgpack/preprocessor/control/iif.hpp>
00023 # include <msgpack/preprocessor/tuple/size.hpp>
00024 # include <msgpack/preprocessor/tuple/to_array.hpp>
00025 #
00026 #
00027 # /* MSGPACK_PP_TUPLE_POP_FRONT */
00028 #
00029 # define MSGPACK_PP_TUPLE_POP_FRONT(tuple) \
00030     MSGPACK_PP_IIF \
00031         ( \
00032         MSGPACK_PP_GREATER(MSGPACK_PP_TUPLE_SIZE(tuple),1), \
00033         MSGPACK_PP_TUPLE_POP_FRONT_EXEC, \
00034         MSGPACK_PP_TUPLE_POP_FRONT_RETURN \
00035         ) \
00036     (tuple) \
00037 /**/
00038 #
00039 # define MSGPACK_PP_TUPLE_POP_FRONT_EXEC(tuple) \
00040     MSGPACK_PP_ARRAY_TO_TUPLE(MSGPACK_PP_ARRAY_POP_FRONT(MSGPACK_PP_TUPLE_TO_ARRAY(tuple))) \
00041 /**/
00042 #
00043 # define MSGPACK_PP_TUPLE_POP_FRONT_RETURN(tuple) tuple
00044 #
00045 # /* MSGPACK_PP_TUPLE_POP_FRONT_Z */
00046 #
00047 # define MSGPACK_PP_TUPLE_POP_FRONT_Z(z, tuple) \
00048     MSGPACK_PP_IIF \
00049         ( \
00050         MSGPACK_PP_GREATER(MSGPACK_PP_TUPLE_SIZE(tuple),1), \
00051         MSGPACK_PP_TUPLE_POP_FRONT_Z_EXEC, \
00052         MSGPACK_PP_TUPLE_POP_FRONT_Z_RETURN \
00053         ) \
00054     (z, tuple) \
00055 /**/
00056 #
00057 # define MSGPACK_PP_TUPLE_POP_FRONT_Z_EXEC(z, tuple) \
00058     MSGPACK_PP_ARRAY_TO_TUPLE(MSGPACK_PP_ARRAY_POP_FRONT_Z(z, MSGPACK_PP_TUPLE_TO_ARRAY(tuple))) \
00059 /**/
00060 #
00061 # define MSGPACK_PP_TUPLE_POP_FRONT_Z_RETURN(z, tuple) tuple
00062 #
00063 # endif // MSGPACK_PP_VARIADICS
00064 #
00065 # endif // MSGPACK_PREPROCESSOR_TUPLE_POP_FRONT_HPP