C++ resources函数代码示例

void Component::deleteAllResources()
{
	ConfigurationManagerLocker locker(m_confManager);

	// This is not the most efficient algorithm, but for a limited number of different
	// resource names it should be quick enough. Here we also remove owner-resource
	// maps that become empty
	QMap<QString, QMap<Component*, ResourceHandler*> >::iterator it = resources().begin();
	while (it != resources().end()) {
		QMap<Component*, ResourceHandler*>::iterator ownerResourceIt = it.value().find(this);

		if (ownerResourceIt != it.value().end()) {
			// This will not call resourceChanged of self if this function is
			// called by the destructor because when we get here the child classes
			// have already been destroyed and their vtable removed
			delete ownerResourceIt.value();
			it.value().erase(ownerResourceIt);
		}

		if (it.value().isEmpty()) {
			it = resources().erase(it);
		} else {
			++it;
		}
	}
}

int main(int argc, char *argv[]) {
    std::ostream& stream = std::cout;
    const char *parm = (argc > 1 ? argv[1] : 0);

    stream << "welcome to goat attack ";
    stream << GameVersion;
    stream << "...\n" << std::endl;

    init_hpet();
    start_net();
    try {
        Configuration config(UserDirectory, ConfigFilename);

#ifdef DEDICATED_SERVER
        SubsystemNull subsystem(stream, "Goat Attack");
#else
        SubsystemSDL subsystem(stream, "Goat Attack", config.get_bool("shading_pipeline"));
#endif

#ifdef __APPLE__
        CFBundleRef mainBundle = CFBundleGetMainBundle();
        CFURLRef resourcesURL = CFBundleCopyResourcesDirectoryURL(mainBundle);
        char path[PATH_MAX];
        if (!CFURLGetFileSystemRepresentation(resourcesURL, TRUE, (UInt8 *)path, PATH_MAX))
        {
            throw Exception("Cannot get bundle path");
        }
        CFRelease(resourcesURL);
        std::string data_directory(path);
        Resources resources(subsystem, data_directory);
#else
# ifdef DEDICATED_SERVER
        const char *data_directory = STRINGIZE_VALUE_OF(DATA_DIRECTORY);
# else
        const char *data_directory = (parm ? parm : STRINGIZE_VALUE_OF(DATA_DIRECTORY));
# endif
        Resources resources(subsystem, data_directory);
#endif
        Game game(resources, subsystem, config);
        game.run(parm ? parm : "");
    } catch (const ResourcesMissingException& e) {
        stream << std::endl << "ERROR: ";
#ifdef DEDICATED_SERVER
        stream << e.what() << std::endl;
#else
        stream << e.what() << std::endl;
        stream << "Ensure that you can add a data folder as parameter." << std::endl;
        stream << "Example: " << argv[0] << " path/to/your/data/folder" << std::endl;
#endif
    } catch (const Exception& e) {
        stream << std::endl << "ERROR: ";
        stream << e.what() << std::endl;
    }
    stop_net();

    stream << "\nbye bye... :)" << std::endl;

    return 0;
}

Resource::Resource(const std::string& group): _overrideGroup(nullptr) {
    _group = resources().find(group);
    CORRADE_ASSERT(_group != resources().end(),
        "Utility::Resource: group" << '\'' + group + '\'' << "was not found", );

    if(!_group->second.overrideGroup.empty()) {
        Debug() << "Utility::Resource: group" << '\'' + group + '\''
                << "overriden with" << '\'' + _group->second.overrideGroup + '\'';
        _overrideGroup = new OverrideData(_group->second.overrideGroup);

        if(_overrideGroup->conf.value("group") != _group->first)
            Warning() << "Utility::Resource: overriden with different group, found"
                      << '\'' + _overrideGroup->conf.value("group") + '\''
                      << "but expected" << '\'' + group + '\'';
    }
}

void
ProtocolSettings::_Init()
{
	// Find protocol add-on
	BPath dllPath(fAddOn->Path());
	BFile file(dllPath.Path(), B_READ_ONLY);
	if (file.InitCheck() < B_OK) {
		fStatus = file.InitCheck();
		return;
	}

	BResources resources(&file);
	if (resources.InitCheck() != B_OK) {
		fStatus = resources.InitCheck();
		return;
	}

	size_t size;
	const void* data = resources.LoadResource(B_MESSAGE_TYPE,
		kProtocolSettingsTemplate, &size);
	if (!data) {
		fStatus = B_BAD_VALUE;
		return;
	}

	// Load protocol's settings template
	fTemplate->Unflatten((const char*)data);
}

status_t
BIconButton::SetIcon(int32 resourceID)
{
	app_info info;
	status_t status = be_app->GetAppInfo(&info);
	if (status != B_OK)
		return status;

	BResources resources(&info.ref);
	status = resources.InitCheck();
	if (status != B_OK)
		return status;

	size_t size;
	const void* data = resources.LoadResource(B_VECTOR_ICON_TYPE, resourceID,
		&size);
	if (data != NULL) {
		BBitmap bitmap(BRect(0, 0, 31, 31), B_BITMAP_NO_SERVER_LINK, B_RGBA32);
		status = bitmap.InitCheck();
		if (status != B_OK)
			return status;
		status = BIconUtils::GetVectorIcon(reinterpret_cast<const uint8*>(data),
			size, &bitmap);
		if (status != B_OK)
			return status;
		return SetIcon(&bitmap);
	}
//	const void* data = resources.LoadResource(B_BITMAP_TYPE, resourceID, &size);
	return B_ERROR;
}

void XRandRScreens::update()
{
    auto fallback = [this]() {
        m_geometries << QRect();
        setCount(1);
    };
    m_geometries.clear();
    T resources(rootWindow());
    if (resources.isNull()) {
        fallback();
        return;
    }
    xcb_randr_crtc_t *crtcs = resources.crtcs();

    QVector<Xcb::RandR::CrtcInfo> infos(resources->num_crtcs);
    for (int i = 0; i < resources->num_crtcs; ++i) {
        infos[i] = Xcb::RandR::CrtcInfo(crtcs[i], resources->config_timestamp);
    }
    for (int i = 0; i < resources->num_crtcs; ++i) {
        Xcb::RandR::CrtcInfo info(infos.at(i));
        const QRect geo = info.rect();
        if (geo.isValid()) {
            m_geometries << geo;
        }
    }
    if (m_geometries.isEmpty()) {
        fallback();
        return;
    }

    setCount(m_geometries.count());
}

static void init_everything(void) {
	log_init("rtpengine");
	log_format(rtpe_config.log_format);
	recording_fs_init(rtpe_config.spooldir, rtpe_config.rec_method, rtpe_config.rec_format);
	rtpe_ssl_init();

#if !GLIB_CHECK_VERSION(2,32,0)
	g_thread_init(NULL);
#endif

#if !(GLIB_CHECK_VERSION(2,36,0))
	g_type_init();
#endif

	signals();
	resources();
	sdp_init();
	dtls_init();
	ice_init();
	crypto_init_main();
	interfaces_init(&rtpe_config.interfaces);
	iptables_init();
	control_ng_init();
	if (call_interfaces_init())
		abort();
	statistics_init();
	codeclib_init(0);
	media_player_init();
}

void
Java_cc_openframeworks_OFAndroid_setAppDataDir( JNIEnv*  env, jobject  thiz, jstring data_dir, jstring app_name )
{
	jboolean iscopy;
	const char *mfile = env->GetStringUTFChars(data_dir, &iscopy);
	__android_log_print(ANDROID_LOG_INFO,"OF",("Setting app dir name to: " + string(mfile)).c_str());
    ofSetDataPathRoot(string(mfile)+"/");
    string appname = env->GetStringUTFChars(app_name, &iscopy);
    __android_log_print(ANDROID_LOG_INFO,"OF",("app name: " + appname).c_str());
    if(appname!=""){
		string resources_name = ofToLower(appname + "resources.zip");
		__android_log_print(ANDROID_LOG_INFO,"OF",("uncompressing " + resources_name).c_str());
		ofFile resources(resources_name);
		__android_log_print(ANDROID_LOG_INFO,"OF",("uncompressing " + resources.getAbsolutePath()).c_str());
		if(resources.exists()){
			unzFile zip = unzOpen(resources.getAbsolutePath().c_str());
			char current_dir[1000];
			getcwd(current_dir,1000);
			chdir(ofToDataPath("",true).c_str());
			do_extract(zip,0,1,NULL);
			chdir(current_dir);

			resources.remove();
		}
    }
}

int uavcannode_start(int argc, char *argv[])
{
	resources("Before board_app_initialize");

	board_app_initialize(NULL);

	resources("After board_app_initialize");

	// CAN bitrate
	int32_t bitrate = 0;
	// Node ID
	int32_t node_id = 0;

	// Did the bootloader auto baud and get a node ID Allocated

	bootloader_app_shared_t shared;
	int valid  = bootloader_app_shared_read(&shared, BootLoader);

	if (valid == 0) {

		bitrate = shared.bus_speed;
		node_id = shared.node_id;

		// Invalidate to prevent deja vu

		bootloader_app_shared_invalidate();

	} else {

		// Node ID
		(void)param_get(param_find("CANNODE_NODE_ID"), &node_id);
		(void)param_get(param_find("CANNODE_BITRATE"), &bitrate);
	}

	if (node_id < 0 || node_id > uavcan::NodeID::Max || !uavcan::NodeID(node_id).isUnicast()) {
		warnx("Invalid Node ID %i", node_id);
		::exit(1);
	}

	// Start
	warnx("Node ID %u, bitrate %u", node_id, bitrate);
	int rv = UavcanNode::start(node_id, bitrate);
	resources("After UavcanNode::start");
	::sleep(1);
	return rv;
}

int main()
{
    GameResources resources("Ludum Dare 33: You Are The Virus");
    ng::StateStack states;
    states.add<GameState>("Game", resources);
    states.start("Game");
    return 0;
}

std::vector<std::string> Resource::list() const {
    CORRADE_INTERNAL_ASSERT(_group != resources().end());

    std::vector<std::string> result;
    result.reserve(_group->second.resources.size());
    for(const auto& filename: _group->second.resources)
        result.push_back(filename.first);

    return result;
}

ResourceHandler* Component::getResourceHandlerForOurResource(QString name)
{
	ResourceHandler* h = getResourceHandlerWithOwner(name, this);

	if (h == nullptr) {
		// Adding an non-existant resource (in an exception-safe way)
		std::unique_ptr<ResourceHandler> hp(new ResourceHandler(name, this));
		resources()[name][this] = hp.get();
		h = hp.release();
	}

	return h;
}

 TermInfosReaderThreadResourcesPtr TermInfosReader::getThreadResources()
 {
     TermInfosReaderThreadResourcesPtr resources(threadResources.get());
     if (!resources)
     {
         resources = newLucene<TermInfosReaderThreadResources>();
         resources->termEnum = terms();
         
         // Cache does not have to be thread-safe, it is only used by one thread at the same time
         resources->termInfoCache = newInstance<TermInfoCache>(DEFAULT_CACHE_SIZE);
         threadResources.set(resources);
     }
     return resources;
 }

void KasBar::addTestItems()
{
   KasItem *i = new KasItem( this );
   insert( 0, i );
   i->setText( "Animated" );
   i->setIcon( KGlobal::iconLoader()->loadIcon( "icons", KIconLoader::NoGroup, KIconLoader::SizeMedium ) );
   i->setAnimation( resources()->startupAnimation() );
   QTimer *aniTimer = new QTimer( i );
   connect( aniTimer, SIGNAL( timeout() ), i, SLOT( advanceAnimation() ) );
   aniTimer->start( 100 );
   i->setShowAnimation( true );

   updateLayout();
}

static void add_subdict(
        const SkTDArray<SkPDFObject*>& resourceList,
        SkPDFResourceDict::SkPDFResourceType type,
        SkPDFDict* dst) {
    if (0 == resourceList.count()) {
        return;
    }
    SkAutoTUnref<SkPDFDict> resources(new SkPDFDict);
    for (int i = 0; i < resourceList.count(); i++) {
        resources->insertObjRef(SkPDFResourceDict::getResourceName(type, i),
                                SkRef(resourceList[i]));
    }
    dst->insertObject(get_resource_type_name(type), resources.detach());
}