bool XMLParser::parseActiveKey(bool closed) {
	bool ignore = false;
	assert(_activeKey.empty() == false);

	ParserNode *key = _activeKey.top();

	if (key->name == "xml" && key->header == true) {
		assert(closed);
		return parseXMLHeader(key) && closeKey();
	}

	XMLKeyLayout *layout = (_activeKey.size() == 1) ? _XMLkeys : getParentNode(key)->layout;

	if (layout->children.contains(key->name)) {
		key->layout = layout->children[key->name];

		Common::StringMap localMap = key->values;
		int keyCount = localMap.size();

		for (Common::List<XMLKeyLayout::XMLKeyProperty>::const_iterator i = key->layout->properties.begin(); i != key->layout->properties.end(); ++i) {
			if (i->required && !localMap.contains(i->name))
				return parserError("Missing required property '%s' inside key '%s'", i->name.c_str(), key->name.c_str());
			else if (localMap.contains(i->name))
				keyCount--;
		}

		if (keyCount > 0)
			return parserError("Unhandled property inside key '%s'.", key->name.c_str());

	} else {
		return parserError("Unexpected key in the active scope ('%s').", key->name.c_str());
	}

	// check if any of the parents must be ignored.
	// if a parent is ignored, all children are too.
	for (int i = _activeKey.size() - 1; i >= 0; --i) {
		if (_activeKey[i]->ignore)
			ignore = true;
	}

	if (ignore == false && keyCallback(key) == false) {
		// HACK:  People may be stupid and overlook the fact that
		// when keyCallback() fails, a parserError() must be set.
		// We set it manually in that case.
		if (_state != kParserError)
			parserError("Unhandled exception when parsing '%s' key.", key->name.c_str());

		return false;
	}

	if (closed)
		return closeKey();

	return true;
}

void FrotzMetaEngine::detectClashes(Common::StringMap &map) {
	for (const PlainGameDescriptor *pd = FROTZ_GAME_LIST; pd->gameId; ++pd) {
		if (map.contains(pd->gameId))
			error("Duplicate game Id found - %s", pd->gameId);
		map[pd->gameId] = "";
	}
}

void GlulxeMetaEngine::detectClashes(Common::StringMap &map) {
	for (const GlulxeDescriptor *pd = GLULXE_GAME_LIST; pd->gameId; ++pd) {
		if (map.contains(pd->gameId))
			error("Duplicate game Id found - %s", pd->gameId);
		map[pd->gameId] = "";
	}
}

bool Databases::buildMap(const dBase &db, Common::StringMap &map) const {
	int fLanguage = findField(db, "Langage", dBase::kTypeString);
	int fGroup    = findField(db, "Nom"    , dBase::kTypeString);
	int fSection  = findField(db, "Section", dBase::kTypeString);
	int fKeyword  = findField(db, "Motcle" , dBase::kTypeString);
	int fText     = findField(db, "Texte"  , dBase::kTypeString);

	if ((fLanguage < 0) || (fGroup < 0) || (fSection < 0) || (fKeyword < 0) || (fText < 0))
		return false;

	const Common::Array<dBase::Record> &records = db.getRecords();

	Common::Array<dBase::Record>::const_iterator record;
	for (record = records.begin(); record != records.end(); ++record) {
		Common::String key;

		key += db.getString(*record, fLanguage) + ":";
		key += db.getString(*record, fGroup   ) + ":";
		key += db.getString(*record, fSection ) + ":";
		key += db.getString(*record, fKeyword );

		map.setVal(key, db.getString(*record, fText));
	}

	return true;
}

void FrotzMetaEngine::detectClashes(Common::StringMap &map) {
	for (int idx = 0; idx < 2; ++idx) {
		for (const PlainGameDescriptor *pd = (idx == 0) ? INFOCOM_GAME_LIST : ZCODE_GAME_LIST; pd->gameId; ++pd) {
			if (map.contains(pd->gameId))
				error("Duplicate game Id found - %s", pd->gameId);
			map[pd->gameId] = "";
		}
	}
}

extern "C" int scummvm_main(int argc, const char * const argv[]) {
	Common::String specialDebug;
	Common::String command;

	// Verify that the backend has been initialized (i.e. g_system has been set).
	assert(g_system);
	OSystem &system = *g_system;

	// Register config manager defaults
	Base::registerDefaults();

	// Parse the command line
	Common::StringMap settings;
	command = Base::parseCommandLine(settings, argc, argv);

	// Load the config file (possibly overridden via command line):
	if (settings.contains("config")) {
		ConfMan.loadConfigFile(settings["config"]);
		settings.erase("config");
	} else {
		ConfMan.loadDefaultConfigFile();
	}

	// Update the config file
	ConfMan.set("versioninfo", gScummVMVersion, Common::ConfigManager::kApplicationDomain);

	// Load and setup the debuglevel and the debug flags. We do this at the
	// soonest possible moment to ensure debug output starts early on, if
	// requested.
	if (settings.contains("debuglevel")) {
		gDebugLevel = (int)strtol(settings["debuglevel"].c_str(), 0, 10);
		printf("Debuglevel (from command line): %d\n", gDebugLevel);
		settings.erase("debuglevel");	// This option should not be passed to ConfMan.
	} else if (ConfMan.hasKey("debuglevel"))
		gDebugLevel = ConfMan.getInt("debuglevel");

	if (settings.contains("debugflags")) {
		specialDebug = settings["debugflags"];
		settings.erase("debugflags");
	}

	PluginManager::instance().init();
 	PluginManager::instance().loadAllPlugins(); // load plugins for cached plugin manager
	
	// If we received an invalid music parameter via command line we check this here.
	// We can't check this before loading the music plugins.
	// On the other hand we cannot load the plugins before we know the file paths (in case of external plugins).
	if (settings.contains("music-driver")) {
		if (MidiDriver::getMusicType(MidiDriver::getDeviceHandle(settings["music-driver"])) == MT_INVALID) {
			warning("Unrecognized music driver '%s'. Switching to default device", settings["music-driver"].c_str());
			settings["music-driver"] = "auto";
		}
	}

	// Process the remaining command line settings. Must be done after the
	// config file and the plugins have been loaded.
	Common::Error res;

	// TODO: deal with settings that require plugins to be loaded
	if ((res = Base::processSettings(command, settings)) != Common::kArgumentNotProcessed)
		return res;

	// Init the backend. Must take place after all config data (including
	// the command line params) was read.
	system.initBackend();

	// If we received an invalid graphics mode parameter via command line
	// we check this here. We can't do it until after the backend is inited,
	// or there won't be a graphics manager to ask for the supported modes.

	if (settings.contains("gfx-mode")) {
		const OSystem::GraphicsMode *gm = g_system->getSupportedGraphicsModes();
		Common::String option = settings["gfx-mode"];
		bool isValid = false;

		while (gm->name && !isValid) {
			isValid = !scumm_stricmp(gm->name, option.c_str());
			gm++;
		}
		if (!isValid) {
			warning("Unrecognized graphics mode '%s'. Switching to default mode", option.c_str());
			settings["gfx-mode"] = "default";
		}
	}

	setupGraphics(system);

	// Init the different managers that are used by the engines.
	// Do it here to prevent fragmentation later
	system.getAudioCDManager();
	MusicManager::instance();
	Common::DebugManager::instance();
	
	// Init the event manager. As the virtual keyboard is loaded here, it must
	// take place after the backend is initiated and the screen has been setup
	system.getEventManager()->init();

	// Directly after initializing the event manager, we will initialize our
	// event recorder.
	//
//.........这里部分代码省略.........

extern "C" int scummvm_main(int argc, const char * const argv[]) {
	Common::String specialDebug;
	Common::String command;

	// Verify that the backend has been initialized (i.e. g_system has been set).
	assert(g_system);
	OSystem &system = *g_system;

	// Register config manager defaults
	Base::registerDefaults();

	// Parse the command line
	Common::StringMap settings;
	command = Base::parseCommandLine(settings, argc, argv);

	// Load the config file (possibly overridden via command line):
	if (settings.contains("config")) {
		ConfMan.loadConfigFile(settings["config"]);
		settings.erase("config");
	} else {
		ConfMan.loadDefaultConfigFile();
	}

	// Update the config file
	ConfMan.set("versioninfo", gScummVMVersion, Common::ConfigManager::kApplicationDomain);

	// Load and setup the debuglevel and the debug flags. We do this at the
	// soonest possible moment to ensure debug output starts early on, if
	// requested.
	if (settings.contains("debuglevel")) {
		gDebugLevel = (int)strtol(settings["debuglevel"].c_str(), 0, 10);
		printf("Debuglevel (from command line): %d\n", gDebugLevel);
		settings.erase("debuglevel");	// This option should not be passed to ConfMan.
	} else if (ConfMan.hasKey("debuglevel"))
		gDebugLevel = ConfMan.getInt("debuglevel");

	if (settings.contains("debugflags")) {
		specialDebug = settings["debugflags"];
		settings.erase("debugflags");
	}

	PluginManager::instance().init();
 	PluginManager::instance().loadAllPlugins(); // load plugins for cached plugin manager

	// If we received an invalid music parameter via command line we check this here.
	// We can't check this before loading the music plugins.
	// On the other hand we cannot load the plugins before we know the file paths (in case of external plugins).
	if (settings.contains("music-driver")) {
		if (MidiDriver::getMusicType(MidiDriver::getDeviceHandle(settings["music-driver"])) == MT_INVALID) {
			warning("Unrecognized music driver '%s'. Switching to default device", settings["music-driver"].c_str());
			settings["music-driver"] = "auto";
		}
	}

	// Process the remaining command line settings. Must be done after the
	// config file and the plugins have been loaded.
	Common::Error res;

	// TODO: deal with settings that require plugins to be loaded
	if (Base::processSettings(command, settings, res)) {
		if (res.getCode() != Common::kNoError)
			warning("%s", res.getDesc().c_str());
		return res.getCode();
	}

	// Init the backend. Must take place after all config data (including
	// the command line params) was read.
	system.initBackend();

	// If we received an invalid graphics mode parameter via command line
	// we check this here. We can't do it until after the backend is inited,
	// or there won't be a graphics manager to ask for the supported modes.

	if (settings.contains("gfx-mode")) {
		const OSystem::GraphicsMode *gm = g_system->getSupportedGraphicsModes();
		Common::String option = settings["gfx-mode"];
		bool isValid = false;

		while (gm->name && !isValid) {
			isValid = !scumm_stricmp(gm->name, option.c_str());
			gm++;
		}
		if (!isValid) {
			warning("Unrecognized graphics mode '%s'. Switching to default mode", option.c_str());
			settings["gfx-mode"] = "default";
		}
	}
	if (settings.contains("disable-display")) {
		ConfMan.setInt("disable-display", 1, Common::ConfigManager::kTransientDomain);
	}
	setupGraphics(system);

	// Init the different managers that are used by the engines.
	// Do it here to prevent fragmentation later
	system.getAudioCDManager();
	MusicManager::instance();
	Common::DebugManager::instance();

	// Init the event manager. As the virtual keyboard is loaded here, it must
	// take place after the backend is initiated and the screen has been setup
//.........这里部分代码省略.........