libanjuta/anjuta-debug.c

   1 /* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 4; tab-width: 4 -*- */
   2 /*
   3     anjuta-debug.c
   4     Copyright (C) 2008 Sébastien Granjoux  <seb.sfo@free.fr>
   5
   6     This program is free software; you can redistribute it and/or modify
   7     it under the terms of the GNU General Public License as published by
   8     the Free Software Foundation; either version 2 of the License, or
   9     (at your option) any later version.
  10
  11     This program is distributed in the hope that it will be useful,
  12     but WITHOUT ANY WARRANTY; without even the implied warranty of
  13     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14     GNU General Public License for more details.
  15
  16     You should have received a copy of the GNU General Public License
  17     along with this program; if not, write to the Free Software
  18     Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
  19 */
  20
  21 #include "anjuta-debug.h"
  22
  23 #include <glib.h>
  24
  25 #include <string.h>
  26
  27 static gchar **anjuta_log_modules = NULL;
  28
  29 static void
  30 anjuta_log_handler (const char *log_domain,
  31                                         GLogLevelFlags log_level,
  32                                         const char *message,
  33                                         gpointer user_data)
  34 {
  35
  36         if (log_level & G_LOG_LEVEL_DEBUG)
  37         {
  38                 /* Filter only debugging messages */
  39                 gint i;
  40                 const gchar *domain;
  41
  42                 /* Do not display anything if anjuta_log_modules is empty
  43                  * (happens only in non debugging mode) */
  44                 if (anjuta_log_modules == NULL) return;
  45
  46                 /* log_domain can be NULL*/
  47                 domain = (log_domain == NULL) || (*log_domain == '\0') ? "NULL" : log_domain;
  48
  49                 for (i = 0; anjuta_log_modules[i] != NULL; i++)
  50                 {
  51                         if (strcmp(domain, anjuta_log_modules[i]) == 0)
  52                         {
  53                                 /* Display message */
  54                                 g_log_default_handler (log_domain, log_level, message, user_data);
  55                                 return;
  56                         }
  57                 }
  58
  59                 return;
  60         }
  61
  62         g_log_default_handler (log_domain, log_level, message, user_data);
  63 }
  64
  65 /**
  66  * anjuta_debug_init :
  67  *
  68  * Initialize filtering of debug messages.
  69  */
  70 void
  71 anjuta_debug_init (void)
  72 {
  73         const gchar *log;
  74         gboolean all = FALSE;
  75
  76         log = g_getenv ("ANJUTA_LOG_DOMAINS");
  77         if (log != NULL)
  78         {
  79                 anjuta_log_modules = g_strsplit_set (log, ": ", -1);
  80
  81                 if (anjuta_log_modules != NULL)
  82                 {
  83                         gint i;
  84
  85                         for (i = 0; anjuta_log_modules[i] != NULL; i++)
  86                         {
  87                                 if (strcmp("all", anjuta_log_modules[i]) == 0)
  88                                 {
  89                                         all = TRUE;
  90                                         break;
  91                                 }
  92                         }
  93                 }
  94         }
  95
  96 #ifdef DEBUG
  97         if ((anjuta_log_modules != NULL) && (anjuta_log_modules[0] != NULL) && !all)
  98         {
  99                 /* Display selected message in debugging mode if environment
 100                  * variable is no set to all */
 101 #else
 102         if (!all)
 103         {
 104                 /* Display selected message in non debugging mode if the
 105                  * environment variable doesn't exist or if not set to all */
 106 #endif
 107                 g_log_set_default_handler (anjuta_log_handler, NULL);
 108         }
 109 }