X-Git-Url: http://g0dil.de/git?a=blobdiff_plain;f=Utils%2FLogger%2FConfig.ih;h=004368d19e873c91b81d9f3e58e48fec376ab4d3;hb=6a0836b7f462d3d77b79b35638cdbf4c9d4202fc;hp=dae740ddc77f7498b3f21d1fa872250e16ed036f;hpb=b52002fa2001e6472d6aa3dde263b85f654c6e8e;p=senf.git

diff --git a/Utils/Logger/Config.ih b/Utils/Logger/Config.ih
index dae740d..004368d 100644
--- a/Utils/Logger/Config.ih
+++ b/Utils/Logger/Config.ih
@@ -1,8 +1,8 @@
 // $Id$
 //
-// Copyright (C) 2007 
-// Fraunhofer Institut fuer offene Kommunikationssysteme (FOKUS)
-// Kompetenzzentrum fuer Satelitenkommunikation (SatCom)
+// Copyright (C) 2007
+// Fraunhofer Institute for Open Communication Systems (FOKUS)
+// Competence Center NETwork research (NET), St. Augustin, GERMANY
 //     Stefan Bund <g0dil@berlios.de>
 //
 // This program is free software; you can redistribute it and/or modify
@@ -30,7 +30,11 @@
 #include <boost/preprocessor/expand.hpp>
 #include <boost/preprocessor/seq/for_each.hpp>
 #include <boost/preprocessor/seq/to_tuple.hpp>
-#include "Defaults.hh"
+#include <boost/preprocessor/seq/fold_right.hpp>
+#include <boost/preprocessor/seq/pop_back.hpp>
+#include <boost/preprocessor/if.hpp>
+#include <boost/preprocessor/facilities/is_empty.hpp>
+#include "../preprocessor.hh"
 
 ///////////////////////////////ih.p////////////////////////////////////////
 
@@ -38,37 +42,92 @@ namespace senf {
 namespace log {
 namespace detail {
 
-    template <class Stream, class Area>
+    struct na {};
+
+    /// Internal: Compile time configuration for given \a Stream and \a Area
+    template <class Stream, class Area, class QueryStream=Stream, bool Query=true>
     struct Config
     {
-        typedef typename Config<Stream,void>::compileLimit compileLimit;
+        typedef typename Config<na, Area, Stream, Query>::compileLimit compileLimit;
     };
 
-    template <class Stream>
-    struct Config<Stream, void>
+#   ifndef DOXYGEN
+
+    template <class Area, class QueryStream, bool Query>
+    struct Config<na, Area, QueryStream, Query>
     {
-        typedef typename Stream::compileLimit compileLimit;
+        typedef typename Config<QueryStream, na, QueryStream, Query>::compileLimit compileLimit;
     };
 
-#   define SENF_LOG_CONF_DEFINE(stream, area, level)                                              \
-           template <>                                                                            \
-           struct Config<stream, area>                                                            \
-           { typedef senf::log::level compileLimit; };
+    template <class Stream, class QueryStream, bool Query>
+    struct Config<Stream, na, QueryStream, Query>
+    {
+        typedef typename Config<na, na, QueryStream, Query>::compileLimit compileLimit;
+    };
 
-#   ifdef SENF_LOG_CONF
+    template <class QueryStream, bool Query>
+    struct Config<na, na, QueryStream, Query>
+    {
+        typedef typename QueryStream::compileLimit compileLimit;
+    };
 
-#       define _ void
-#       define SLC_elt(r, data, elt) \
-            BOOST_PP_EXPAND(SENF_LOG_CONF_DEFINE BOOST_PP_SEQ_TO_TUPLE(elt))
+#   endif
 
-        BOOST_PP_SEQ_FOR_EACH(SLC_elt, x, SENF_LOG_CONF)
+}}}
 
-#       undef SLC_elt
-#       undef _
+#define SENF_LOG_CHECK_NA_
 
-#   endif
+#define SENF_LOG_CAT(a,b) SENF_LOG_CAT_I(a,b)
+#define SENF_LOG_CAT_I(a,b) a ## b
+
+#define SENF_LOG_IS_NA(elt) BOOST_PP_IS_EMPTY( SENF_LOG_CAT(SENF_LOG_CHECK_NA, elt) )
+
+#define SENF_LOG_SEQ_TO_NAME_(s,state,elem)                                                       \
+    BOOST_PP_IF( SENF_LOG_IS_NA(elem), senf::log::detail::na, state::elem )
+
+#define SENF_LOG_SEQ_TO_NAME(seq)                                                                 \
+    BOOST_PP_SEQ_FOLD_LEFT(SENF_LOG_SEQ_TO_NAME_, , seq)
+
+#define SENF_LOG_PREDECL_(s, state, elem)                                                         \
+    namespace elem { state }
+
+#define SENF_LOG_PREDECL_long(seq)                                                                \
+    BOOST_PP_SEQ_FOLD_RIGHT( SENF_LOG_PREDECL_,                                                   \
+                             class SENF_PP_SEQ_BACK(seq);,                                        \
+                             BOOST_PP_SEQ_POP_BACK(seq) )
+
+#define SENF_LOG_PREDECL_short(seq)                                                               \
+   BOOST_PP_IF( SENF_LOG_IS_NA( SENF_PP_SEQ_BACK(seq) ), ; , class SENF_PP_SEQ_BACK(seq); )
+
+#define SENF_LOG_PREDECL(seq)                                                                     \
+    BOOST_PP_CAT(SENF_LOG_PREDECL_,                                                               \
+                 BOOST_PP_IF(BOOST_PP_DEC(BOOST_PP_SEQ_SIZE(seq)),long,short))(seq)
+
+#define SENF_LOG_NIL(x)
+
+#define SENF_LOG_CONF_DEFINE(stream, area, level)                                                 \
+    SENF_LOG_PREDECL(stream)                                                                      \
+    SENF_LOG_PREDECL(area)                                                                        \
+    namespace senf { namespace log { namespace detail {                                           \
+        template <class QueryStream>                                                              \
+        struct Config< SENF_LOG_SEQ_TO_NAME(stream),                                              \
+                       SENF_LOG_SEQ_TO_NAME(area),                                                \
+                       QueryStream,                                                               \
+                       true >                                                                     \
+        { typedef senf::log::level compileLimit; };                                               \
+    }}}
+
+#ifdef SENF_LOG_CONF
+
+#   define SLC_elt(r, data, elt) \
+        SENF_LOG_CONF_DEFINE elt
+
+    BOOST_PP_SEQ_FOR_EACH(SLC_elt, none, SENF_LOG_CONF)
+
+#   undef SLC_elt
+
+#endif
 
-}}}