Utils/Logger/Config.ih

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
   5 // Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
   6 //     Stefan Bund <g0dil@berlios.de>
   7 //
   8 // This program is free software; you can redistribute it and/or modify
   9 // it under the terms of the GNU General Public License as published by
  10 // the Free Software Foundation; either version 2 of the License, or
  11 // (at your option) any later version.
  12 //
  13 // This program is distributed in the hope that it will be useful,
  14 // but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 // GNU General Public License for more details.
  17 //
  18 // You should have received a copy of the GNU General Public License
  19 // along with this program; if not, write to the
  20 // Free Software Foundation, Inc.,
  21 // 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
  22
  23 /** \file
  24     \brief Config internal header */
  25
  26 #ifndef IH_Config_
  27 #define IH_Config_ 1
  28
  29 // Custom includes
  30 #include <boost/preprocessor/expand.hpp>
  31 #include <boost/preprocessor/seq/for_each.hpp>
  32 #include <boost/preprocessor/seq/to_tuple.hpp>
  33 #include <boost/preprocessor/seq/fold_right.hpp>
  34 #include <boost/preprocessor/seq/pop_back.hpp>
  35 #include <boost/preprocessor/if.hpp>
  36 #include "../preprocessor.hh"
  37
  38 ///////////////////////////////ih.p////////////////////////////////////////
  39
  40 namespace senf {
  41 namespace log {
  42 namespace detail {
  43
  44     template <class Stream, class Area>
  45     struct Config
  46     {
  47         typedef typename Config<Stream,void>::compileLimit compileLimit;
  48     };
  49
  50     template <class Stream>
  51     struct Config<Stream, void>
  52     {
  53         typedef typename Stream::compileLimit compileLimit;
  54     };
  55
  56 }}}
  57
  58 #define SENF_LOG_SEQ_TO_NAME_(s,data,elem) ::elem
  59
  60 #define SENF_LOG_SEQ_TO_NAME(seq)                                                                 \
  61     BOOST_PP_SEQ_FOR_EACH(SENF_LOG_SEQ_TO_NAME_, none, seq)
  62
  63 #define SENF_LOG_PREDECL_(s, state, elem)                                                         \
  64     namespace elem { state }
  65
  66 #define SENF_LOG_PREDECL(seq)                                                                     \
  67     BOOST_PP_SEQ_FOLD_RIGHT( SENF_LOG_PREDECL_,                                                   \
  68                              class SENF_PP_SEQ_BACK(seq);,                                        \
  69                              BOOST_PP_SEQ_POP_BACK(seq) )
  70
  71 #define SENF_LOG_NIL(x)
  72
  73 #define SENF_LOG_CONF_DEFINE(stream, area, level)                                                 \
  74     SENF_LOG_PREDECL(stream)                                                                      \
  75     BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(area)),                                            \
  76                 SENF_LOG_PREDECL,                                                                 \
  77                 SENF_LOG_NIL)(area)                                                               \
  78     namespace senf { namespace log { namespace detail {                                           \
  79         template <>                                                                               \
  80         struct Config< SENF_LOG_SEQ_TO_NAME(stream),                                              \
  81                        BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(area)),                         \
  82                                    SENF_LOG_SEQ_TO_NAME(area),                                    \
  83                                    void) >                                                        \
  84         { typedef senf::log::level compileLimit; };                                               \
  85     }}}
  86
  87 #ifdef SENF_LOG_CONF
  88
  89 #   define SLC_elt(s, state, elt)                                                                  \
  90         SENF_LOG_CONF_DEFINE elt
  91
  92     // Need to use fold here to not exhaust the maximum FOR nesting depth ...
  93     BOOST_PP_SEQ_FOLD_LEFT(SLC_elt, none, SENF_LOG_CONF)
  94
  95 #   undef SLC_elt
  96
  97 #endif
  98
  99
 100
 101
 102 ///////////////////////////////ih.e////////////////////////////////////////
 103 #endif
 104
 105 \f
 106 // Local Variables:
 107 // mode: c++
 108 // fill-column: 100
 109 // comment-column: 40
 110 // c-file-style: "senf"
 111 // indent-tabs-mode: nil
 112 // ispell-local-dictionary: "american"
 113 // compile-command: "scons -u test"
 114 // End: