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/* 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.
*
* $URL$
* $Id$
*/
#ifndef COMMON_DEBUG_H
#define COMMON_DEBUG_H
#include "common/scummsys.h"
#include "common/list.h"
#include "common/str.h"
namespace Common {
struct DebugChannel {
DebugChannel() : level(0), enabled(false) {}
DebugChannel(uint32 l, const String &n, const String &d)
: name(n), description(d), level(l), enabled(false) {}
String name;
String description;
uint32 level;
bool enabled;
};
/**
* Adds a engine debug level.
* @param level the level flag (should be OR-able i.e. first one should be 1 than 2,4,...)
* @param name the option name which is used in the debugger/on the command line to enable
* this special debug level (case will be ignored)
* @param description the description which shows up in the debugger
* @return true on success false on failure
*/
bool addDebugChannel(uint32 level, const String &name, const String &description);
/**
* Resets all engine debug levels.
*/
void clearAllDebugChannels();
/**
* Enables an engine debug level.
* @param name the name of the debug level to enable
* @return true on success, false on failure
*/
bool enableDebugChannel(const String &name);
/**
* Disables an engine debug level
* @param name the name of the debug level to disable
* @return true on success, false on failure
*/
bool disableDebugChannel(const String &name);
typedef List<DebugChannel> DebugChannelList;
/**
* Lists all debug levels
* @return returns a arry with all debug levels
*/
DebugChannelList listDebugChannels();
/**
* Test whether the given debug level is enabled.
*/
bool isDebugChannelEnabled(uint32 level);
/**
* Test whether the given debug level is enabled.
*/
bool isDebugChannelEnabled(const String &name);
} // End of namespace Common
#ifdef DISABLE_TEXT_CONSOLE
inline void debug(const char *s, ...) {}
inline void debug(int level, const char *s, ...) {}
inline void debugN(int level, const char *s, ...) {}
inline void debugC(int level, uint32 engine_level, const char *s, ...) {}
#else
/**
* Print a debug message to the text console (stderr).
* Automatically appends a newline.
*/
void debug(const char *s, ...) GCC_PRINTF(1, 2);
/**
* Print a debug message to the text console (stderr), but only if
* the specified level does not exceed the value of gDebugLevel.
* As a rule of thumb, the more important the message, the lower the level.
* Automatically appends a newline.
*/
void debug(int level, const char *s, ...) GCC_PRINTF(2, 3);
/**
* Print a debug message to the text console (stderr), but only if
* the specified level does not exceed the value of gDebugLevel.
* As a rule of thumb, the more important the message, the lower the level.
* Does not append a newline.
*/
void debugN(int level, const char *s, ...) GCC_PRINTF(2, 3);
/**
* Print a debug message to the text console (stderr), but only if
* the specified level does not exceed the value of gDebugLevel OR
* if the specified special debug level is active.
* As a rule of thumb, the more important the message, the lower the level.
* Automatically appends a newline.
*
* @see enableDebugChannel
*/
void debugC(int level, uint32 engine_level, const char *s, ...) GCC_PRINTF(3, 4);
#endif
/**
* The debug level. Initially set to -1, indicating that no debug output
* should be shown. Positive values usually imply an increasing number of
* debug output shall be generated, the higher the value, the more verbose the
* information (although the exact semantics are up to the engines).
*/
extern int gDebugLevel;
#endif
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