Utils/Logger/Config.ih

   1 // $Id$
   2 //
   3 // Copyright (C) 2007
   4 // Fraunhofer Institute for Open Communication Systems (FOKUS)
   5 // Competence Center NETwork research (NET), St. Augustin, GERMANY
   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     struct na {};
  45
  46     /// Internal: Compile time configuration for given \a Stream and \a Area
  47     template <class Stream, class Area>
  48     struct Config
  49     {
  50         typedef typename Config<Stream,na>::compileLimit compileLimit;
  51     };
  52
  53 #   ifndef DOXYGEN
  54
  55     template <class Stream>
  56     struct Config<Stream, na>
  57     {
  58         typedef typename Stream::compileLimit compileLimit;
  59     };
  60
  61 #   endif
  62
  63 }}}
  64
  65 #define SENF_LOG_SEQ_TO_NAME_(s,state,elem) state::elem
  66
  67 #define SENF_LOG_SEQ_TO_NAME(seq)                                                                 \
  68     BOOST_PP_SEQ_FOLD_LEFT(SENF_LOG_SEQ_TO_NAME_, , seq)
  69
  70 #define SENF_LOG_PREDECL_(s, state, elem)                                                         \
  71     namespace elem { state }
  72
  73 #define SENF_LOG_PREDECL_long(seq)                                                                \
  74     BOOST_PP_SEQ_FOLD_RIGHT( SENF_LOG_PREDECL_,                                                   \
  75                              class SENF_PP_SEQ_BACK(seq);,                                        \
  76                              BOOST_PP_SEQ_POP_BACK(seq) )
  77
  78 #define SENF_LOG_PREDECL_short(seq)                                                               \
  79         class SENF_PP_SEQ_BACK(seq);
  80
  81 #define SENF_LOG_PREDECL(seq)                                                                     \
  82     BOOST_PP_CAT(SENF_LOG_PREDECL_,                                                               \
  83                  BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)),long,short))(seq)
  84
  85 #define SENF_LOG_NIL(x)
  86
  87 #define SENF_LOG_CONF_DEFINE(stream, area, level)                                                 \
  88     SENF_LOG_PREDECL(stream)                                                                      \
  89     SENF_LOG_PREDECL(area)                                                                        \
  90     namespace senf { namespace log { namespace detail {                                           \
  91         template <>                                                                               \
  92         struct Config< SENF_LOG_SEQ_TO_NAME(stream),                                              \
  93                        SENF_LOG_SEQ_TO_NAME(area) >                                               \
  94         { typedef senf::log::level compileLimit; };                                               \
  95     }}}
  96
  97 #ifdef SENF_LOG_CONF
  98
  99 #   define _ senf::log::detail::na
 100 #   define SLC_elt(r, data, elt) \
 101         SENF_LOG_CONF_DEFINE elt
 102
 103     BOOST_PP_SEQ_FOR_EACH(SLC_elt, none, SENF_LOG_CONF)
 104
 105 #   undef SLC_elt
 106 #   undef _
 107
 108 #endif
 109
 110
 111
 112
 113 ///////////////////////////////ih.e////////////////////////////////////////
 114 #endif
 115
 116 \f
 117 // Local Variables:
 118 // mode: c++
 119 // fill-column: 100
 120 // comment-column: 40
 121 // c-file-style: "senf"
 122 // indent-tabs-mode: nil
 123 // ispell-local-dictionary: "american"
 124 // compile-command: "scons -u test"
 125 // End: