cat.hpp

00001 # /* **************************************************************************
00002 #  *                                                                          *
00003 #  *     (C) Copyright Paul Mensonides 2002.
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_SEQ_CAT_HPP
00013 # define MSGPACK_PREPROCESSOR_SEQ_CAT_HPP
00014 #
00015 # include <msgpack/preprocessor/arithmetic/dec.hpp>
00016 # include <msgpack/preprocessor/config/config.hpp>
00017 # include <msgpack/preprocessor/control/if.hpp>
00018 # include <msgpack/preprocessor/seq/fold_left.hpp>
00019 # include <msgpack/preprocessor/seq/seq.hpp>
00020 # include <msgpack/preprocessor/seq/size.hpp>
00021 # include <msgpack/preprocessor/tuple/eat.hpp>
00022 #
00023 # /* MSGPACK_PP_SEQ_CAT */
00024 #
00025 # define MSGPACK_PP_SEQ_CAT(seq) \
00026     MSGPACK_PP_IF( \
00027         MSGPACK_PP_DEC(MSGPACK_PP_SEQ_SIZE(seq)), \
00028         MSGPACK_PP_SEQ_CAT_I, \
00029         MSGPACK_PP_SEQ_HEAD \
00030     )(seq) \
00031     /**/
00032 # define MSGPACK_PP_SEQ_CAT_I(seq) MSGPACK_PP_SEQ_FOLD_LEFT(MSGPACK_PP_SEQ_CAT_O, MSGPACK_PP_SEQ_HEAD(seq), MSGPACK_PP_SEQ_TAIL(seq))
00033 #
00034 # define MSGPACK_PP_SEQ_CAT_O(s, st, elem) MSGPACK_PP_SEQ_CAT_O_I(st, elem)
00035 # define MSGPACK_PP_SEQ_CAT_O_I(a, b) a ## b
00036 #
00037 # /* MSGPACK_PP_SEQ_CAT_S */
00038 #
00039 # define MSGPACK_PP_SEQ_CAT_S(s, seq) \
00040     MSGPACK_PP_IF( \
00041         MSGPACK_PP_DEC(MSGPACK_PP_SEQ_SIZE(seq)), \
00042         MSGPACK_PP_SEQ_CAT_S_I_A, \
00043         MSGPACK_PP_SEQ_CAT_S_I_B \
00044     )(s, seq) \
00045     /**/
00046 # define MSGPACK_PP_SEQ_CAT_S_I_A(s, seq) MSGPACK_PP_SEQ_FOLD_LEFT_ ## s(MSGPACK_PP_SEQ_CAT_O, MSGPACK_PP_SEQ_HEAD(seq), MSGPACK_PP_SEQ_TAIL(seq))
00047 # define MSGPACK_PP_SEQ_CAT_S_I_B(s, seq) MSGPACK_PP_SEQ_HEAD(seq)
00048 #
00049 # endif