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debug.cpp

/* ScummVM - Graphic Adventure Engine
 *
 * ScummVM is the legal property of its developers, whose names
 * are too numerous to list here. Please refer to the COPYRIGHT
 * file distributed with this source distribution.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
 *
 * $URL: https://scummvm.svn.sourceforge.net/svnroot/scummvm/scummvm/tags/release-1-0-0rc1/common/debug.cpp $
 * $Id: debug.cpp 41421 2009-06-10 10:11:24Z sev $
 */

#include "common/debug.h"
#include "common/util.h"
#include "common/hashmap.h"

#include "engines/engine.h"

#include <stdarg.h>     // For va_list etc.


#ifdef __PLAYSTATION2__
      // for those replaced fopen/fread/etc functions
      typedef unsigned long   uint64;
      typedef signed long     int64;
      #include "backends/platform/ps2/fileio.h"

      #define fprintf                     ps2_fprintf
      #define fputs(str, file)      ps2_fputs(str, file)
      #define fflush(a)             ps2_fflush(a)
#endif

#ifdef __DS__
      #include "backends/fs/ds/ds-fs.h"

      void  std_fprintf(FILE* handle, const char* fmt, ...);
      void  std_fflush(FILE* handle);

      #define fprintf(file, fmt, ...)                       do { char str[128]; sprintf(str, fmt, ##__VA_ARGS__); DS::std_fwrite(str, strlen(str), 1, file); } while(0)
      #define fputs(str, file)                              DS::std_fwrite(str, strlen(str), 1, file)
      #define fflush(file)                                  DS::std_fflush(file)
#endif


namespace Common {

namespace {

typedef HashMap<String, DebugChannel, IgnoreCase_Hash, IgnoreCase_EqualTo> DebugLevelMap;

static DebugLevelMap gDebugLevels;
static uint32 gDebugLevelsEnabled = 0;

struct DebugLevelComperator {
      bool operator()(const DebugChannel &l, const DebugChannel &r) {
            return (l.name.compareToIgnoreCase(r.name) < 0);
      }
};

}

00074 bool addDebugChannel(uint32 level, const String &name, const String &description) {
      if (gDebugLevels.contains(name)) {
            warning("Duplicate declaration of engine debug level '%s'", name.c_str());
      }
      gDebugLevels[name] = DebugChannel(level, name, description);

      return true;
}

00083 void clearAllDebugChannels() {
      gDebugLevelsEnabled = 0;
      gDebugLevels.clear();
}

00088 bool enableDebugChannel(const String &name) {
      DebugLevelMap::iterator i = gDebugLevels.find(name);

      if (i != gDebugLevels.end()) {
            gDebugLevelsEnabled |= i->_value.level;
            i->_value.enabled = true;

            return true;
      } else {
            return false;
      }
}

00101 bool disableDebugChannel(const String &name) {
      DebugLevelMap::iterator i = gDebugLevels.find(name);

      if (i != gDebugLevels.end()) {
            gDebugLevelsEnabled &= ~i->_value.level;
            i->_value.enabled = false;

            return true;
      } else {
            return false;
      }
}


00115 DebugChannelList listDebugChannels() {
      DebugChannelList tmp;
      for (DebugLevelMap::iterator i = gDebugLevels.begin(); i != gDebugLevels.end(); ++i)
            tmp.push_back(i->_value);
      sort(tmp.begin(), tmp.end(), DebugLevelComperator());

      return tmp;
}

00124 bool isDebugChannelEnabled(uint32 level) {
      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel == 11)
            return true;
//    return gDebugLevelsEnabled & (1 << level);
      return gDebugLevelsEnabled & level;
}

00132 bool isDebugChannelEnabled(const String &name) {
      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel == 11)
            return true;

      // Search for the debug level with the given name and check if it is enabled
      DebugLevelMap::iterator i = gDebugLevels.find(name);
      if (i != gDebugLevels.end())
            return i->_value.enabled;
      return false;
}


}     // End of namespace Common


int gDebugLevel = -1;

#ifndef DISABLE_TEXT_CONSOLE

static void debugHelper(const char *s, va_list va, bool caret = true) {
      char in_buf[STRINGBUFLEN];
      char buf[STRINGBUFLEN];
      vsnprintf(in_buf, STRINGBUFLEN, s, va);

      // Next, give the active engine (if any) a chance to augment the message,
      // but only if not used from debugN.
      if (g_engine && caret) {
            g_engine->errorString(in_buf, buf, STRINGBUFLEN);
      } else {
            strncpy(buf, in_buf, STRINGBUFLEN);
      }
      buf[STRINGBUFLEN-1] = '\0';

      if (caret) {
            buf[STRINGBUFLEN-2] = '\0';
            strcat(buf, "\n");
      }

      fputs(buf, stdout);

#if defined( USE_WINDBG )
#if defined( _WIN32_WCE )
      TCHAR buf_unicode[1024];
      MultiByteToWideChar(CP_ACP, 0, buf, strlen(buf) + 1, buf_unicode, sizeof(buf_unicode));
      OutputDebugString(buf_unicode);
#else
      OutputDebugString(buf);
#endif
#endif

      fflush(stdout);
}

void debug(const char *s, ...) {
      va_list va;

      va_start(va, s);
      debugHelper(s, va);
      va_end(va);
}

void debug(int level, const char *s, ...) {
      va_list va;

      if (level > gDebugLevel)
            return;

      va_start(va, s);
      debugHelper(s, va);
      va_end(va);

}

void debugN(int level, const char *s, ...) {
      va_list va;

      if (level > gDebugLevel)
            return;

      va_start(va, s);
      debugHelper(s, va, false);
      va_end(va);
}

void debugC(int level, uint32 debugChannels, const char *s, ...) {
      va_list va;

      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel != 11)
            if (level > gDebugLevel || !(Common::gDebugLevelsEnabled & debugChannels))
                  return;

      va_start(va, s);
      debugHelper(s, va);
      va_end(va);
}

void debugCN(int level, uint32 debugChannels, const char *s, ...) {
      va_list va;

      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel != 11)
            if (level > gDebugLevel || !(Common::gDebugLevelsEnabled & debugChannels))
                  return;

      va_start(va, s);
      debugHelper(s, va, false);
      va_end(va);
}

void debugC(uint32 debugChannels, const char *s, ...) {
      va_list va;

      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel != 11)
            if (!(Common::gDebugLevelsEnabled & debugChannels))
                  return;

      va_start(va, s);
      debugHelper(s, va);
      va_end(va);
}

void debugCN(uint32 debugChannels, const char *s, ...) {
      va_list va;

      // Debug level 11 turns on all special debug level messages
      if (gDebugLevel != 11)
            if (!(Common::gDebugLevelsEnabled & debugChannels))
                  return;

      va_start(va, s);
      debugHelper(s, va, false);
      va_end(va);
}

#endif

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