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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.
*
*/
#ifndef COMMON_DEBUG_CHANNELS_H
#define COMMON_DEBUG_CHANNELS_H
#include "common/scummsys.h"
#include "common/hashmap.h"
#include "common/hash-str.h"
#include "common/list.h"
#include "common/singleton.h"
#include "common/str.h"
namespace Common {
// TODO: Find a better name for this
class DebugManager : public Singleton<DebugManager> {
public:
struct DebugChannel {
DebugChannel() : channel(0), enabled(false) {}
DebugChannel(uint32 c, const String &n, const String &d)
: name(n), description(d), channel(c), enabled(false) {}
String name;
String description;
uint32 channel;
bool enabled;
};
/**
* Adds a debug channel.
*
* A debug channel is considered roughly similar to what our debug levels described by
* gDebugLevel try to achieve:
*
* Debug channels should only affect the display of additional debug output, based on
* their state. That is if they are enabled, channel specific debug messages should
* be shown. If they are disabled on the other hand, those messages will be hidden.
*
* @see gDebugLevel.
*
* Note that we have debug* functions which depend both on the debug level set and
* specific debug channels. Those functions will only show output, when *both* criteria
* are satisfied.
*
* @param channel the channel flag (should be OR-able i.e. first one should be 1 then 2, 4, etc.)
* @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 channel, const String &name, const String &description);
/**
* Resets all engine specific debug channels.
*/
void clearAllDebugChannels();
/**
* Enables an debug channel.
*
* @param name the name of the debug channel to enable
* @return true on success, false on failure
*/
bool enableDebugChannel(const String &name);
/**
* Disables an debug channel.
*
* @param name the name of the debug channel to disable
* @return true on success, false on failure
*/
bool disableDebugChannel(const String &name);
typedef List<DebugChannel> DebugChannelList;
/**
* Lists all engine specific debug channels.
*
* @return returns an array with all debug channels
*/
DebugChannelList listDebugChannels();
/**
* Test whether the given debug channel is enabled.
*/
bool isDebugChannelEnabled(uint32 channel);
private:
typedef HashMap<String, DebugChannel, IgnoreCase_Hash, IgnoreCase_EqualTo> DebugChannelMap;
DebugChannelMap gDebugChannels;
uint32 gDebugChannelsEnabled;
friend class Singleton<SingletonBaseType>;
DebugManager() : gDebugChannelsEnabled(0) {}
};
/** Shortcut for accessing the debug manager. */
#define DebugMan Common::DebugManager::instance()
} // End of namespace Common
#endif
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