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https://github.com/libretro/scummvm.git
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131 lines
3.8 KiB
C++
131 lines
3.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef COMMON_DEBUG_CHANNELS_H
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#define COMMON_DEBUG_CHANNELS_H
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#include "common/scummsys.h"
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#include "common/hashmap.h"
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#include "common/hash-str.h"
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#include "common/list.h"
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#include "common/singleton.h"
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#include "common/str.h"
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namespace Common {
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// TODO: Find a better name for this
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class DebugManager : public Singleton<DebugManager> {
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public:
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struct DebugChannel {
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DebugChannel() : channel(0), enabled(false) {}
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DebugChannel(uint32 c, const String &n, const String &d)
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: name(n), description(d), channel(c), enabled(false) {}
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String name;
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String description;
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uint32 channel;
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bool enabled;
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};
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/**
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* Adds a debug channel.
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*
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* A debug channel is considered roughly similar to what our debug levels described by
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* gDebugLevel try to achieve:
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*
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* Debug channels should only affect the display of additional debug output, based on
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* their state. That is if they are enabled, channel specific debug messages should
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* be shown. If they are disabled on the other hand, those messages will be hidden.
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*
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* @see gDebugLevel.
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*
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* Note that we have debug* functions which depend both on the debug level set and
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* specific debug channels. Those functions will only show output, when *both* criteria
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* are satisfied.
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*
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* @param channel the channel flag (should be OR-able i.e. first one should be 1 then 2, 4, etc.)
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* @param name the option name which is used in the debugger/on the command line to enable
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* this special debug level (case will be ignored)
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* @param description the description which shows up in the debugger
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* @return true on success false on failure
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*/
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bool addDebugChannel(uint32 channel, const String &name, const String &description);
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/**
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* Resets all engine specific debug channels.
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*/
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void clearAllDebugChannels();
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/**
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* Enables an debug channel.
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*
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* @param name the name of the debug channel to enable
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* @return true on success, false on failure
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*/
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bool enableDebugChannel(const String &name);
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/**
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* Disables an debug channel.
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*
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* @param name the name of the debug channel to disable
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* @return true on success, false on failure
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*/
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bool disableDebugChannel(const String &name);
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typedef List<DebugChannel> DebugChannelList;
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/**
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* Lists all engine specific debug channels.
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*
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* @return returns an array with all debug channels
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*/
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DebugChannelList listDebugChannels();
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/**
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* Test whether the given debug channel is enabled.
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*/
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bool isDebugChannelEnabled(uint32 channel);
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private:
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typedef HashMap<String, DebugChannel, IgnoreCase_Hash, IgnoreCase_EqualTo> DebugChannelMap;
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DebugChannelMap gDebugChannels;
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uint32 gDebugChannelsEnabled;
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friend class Singleton<SingletonBaseType>;
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DebugManager() : gDebugChannelsEnabled(0) {}
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};
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/** Shortcut for accessing the debug manager. */
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#define DebugMan Common::DebugManager::instance()
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} // End of namespace Common
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#endif
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