C++ StringMap::erase方法代码示例

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.........