C++ FileUtils::fullPathForFilename方法代码示例

bool AppDelegate::applicationDidFinishLaunching() {
    // initialize director
    auto director = Director::getInstance();
    auto glview = director->getOpenGLView();
    if(!glview) {
        glview = GLView::create("My Game");
        director->setOpenGLView(glview);
    }

    glview->setDesignResolutionSize(768, 1024, ResolutionPolicy::EXACT_FIT);

    FileUtils* futils = FileUtils::getInstance();

    auto screensize = glview->getFrameSize();
    if(screensize.width > 768) {
        vector<string> dirs(1, "hd");
        futils->setSearchResolutionsOrder(dirs);
        director->setContentScaleFactor(2);
    }
    else {
        vector<string> dirs(1, "sd");
        futils->setSearchResolutionsOrder(dirs);
        director->setContentScaleFactor(1);
    }

    SimpleAudioEngine* augine = SimpleAudioEngine::getInstance();

    augine->preloadEffect(futils->fullPathForFilename("hit.wav").c_str());
    augine->preloadEffect(futils->fullPathForFilename("score.wav").c_str());

    // turn on display FPS
    director->setDisplayStats(true);

    // set FPS. the default value is 1.0/60 if you don't call this
    director->setAnimationInterval(1.0 / 60);

    // create a scene. it's an autorelease object
    auto scene = LogoLayer::createScene();

    // run
    director->runWithScene(scene);

    return true;
}

int LuaStack::executeScriptFile(const char* filename)
{
    CCAssert(filename, "CCLuaStack::executeScriptFile() - invalid filename");
    
    static const std::string BYTECODE_FILE_EXT    = ".luac";
    static const std::string NOT_BYTECODE_FILE_EXT = ".lua";
    
    std::string buf(filename);
    //
    // remove .lua or .luac
    //
    size_t pos = buf.rfind(BYTECODE_FILE_EXT);
    if (pos != std::string::npos)
    {
        buf = buf.substr(0, pos);
    }
    else
    {
        pos = buf.rfind(NOT_BYTECODE_FILE_EXT);
        if (pos == buf.length() - NOT_BYTECODE_FILE_EXT.length())
        {
            buf = buf.substr(0, pos);
        }
    }
    
    FileUtils *utils = FileUtils::getInstance();
    //
    // 1. check .lua suffix
    // 2. check .luac suffix
    //
    std::string tmpfilename = buf + NOT_BYTECODE_FILE_EXT;
    if (utils->isFileExist(tmpfilename))
    {
        buf = tmpfilename;
    }
    else
    {
        tmpfilename = buf + BYTECODE_FILE_EXT;
        if (utils->isFileExist(tmpfilename))
        {
            buf = tmpfilename;
        }
    }
    
    std::string fullPath = utils->fullPathForFilename(buf);
    Data data = utils->getDataFromFile(fullPath);
    int rn = 0;
    if (!data.isNull())
    {
        if (luaLoadBuffer(_state, (const char*)data.getBytes(), (int)data.getSize(), fullPath.c_str()) == 0)
        {
            rn = executeFunction(0);
        }
    }
    return rn;
}

int LuaStack::executeScriptFile(const char* filename)
{
    CCAssert(filename, "CCLuaStack::executeScriptFile() - invalid filename");

    FileUtils *utils = FileUtils::getInstance();
    std::string fullPath = utils->fullPathForFilename(filename);
    Data data = utils->getDataFromFile(fullPath);
    int rn = 0;
    if (!data.isNull()) {
        if (luaLoadBuffer(_state, (const char*)data.getBytes(), (int)data.getSize(), fullPath.c_str()) == 0) {
            rn = executeFunction(0);
        }
    }
    return rn;
}

int LuaStack::luaLoadChunksFromZIP(lua_State *L)
{
    if (lua_gettop(L) < 1) {
        CCLOG("luaLoadChunksFromZIP() - invalid arguments");
        return 0;
    }
    
    const char *zipFilename = lua_tostring(L, -1);
    lua_settop(L, 0);
    FileUtils *utils = FileUtils::getInstance();
    std::string zipFilePath = utils->fullPathForFilename(zipFilename);
    
    LuaStack *stack = this;
    
    do {
        ssize_t size = 0;
        void *buffer = nullptr;
        unsigned char *zipFileData = utils->getFileData(zipFilePath.c_str(), "rb", &size);
        ZipFile *zip = nullptr;
        
        bool isXXTEA = stack && stack->_xxteaEnabled && zipFileData;
        for (int i = 0; isXXTEA && i < stack->_xxteaSignLen && i < size; ++i) {
            isXXTEA = zipFileData[i] == stack->_xxteaSign[i];
        }
        
        if (isXXTEA) { // decrypt XXTEA
            xxtea_long len = 0;
            buffer = xxtea_decrypt(zipFileData + stack->_xxteaSignLen,
                                   (xxtea_long)size - (xxtea_long)stack->_xxteaSignLen,
                                   (unsigned char*)stack->_xxteaKey,
                                   (xxtea_long)stack->_xxteaKeyLen,
                                   &len);
            free(zipFileData);
            zipFileData = nullptr;
            zip = ZipFile::createWithBuffer(buffer, len);
        } else {
            if (zipFileData) {
                zip = ZipFile::createWithBuffer(zipFileData, size);
            }
        }
        
        if (zip) {
            CCLOG("lua_loadChunksFromZIP() - load zip file: %s%s", zipFilePath.c_str(), isXXTEA ? "*" : "");
            lua_getglobal(L, "package");
            lua_getfield(L, -1, "preload");
            
            int count = 0;
            std::string filename = zip->getFirstFilename();
            while (filename.length()) {
                ssize_t bufferSize = 0;
                unsigned char *zbuffer = zip->getFileData(filename.c_str(), &bufferSize);
                if (bufferSize) {
                    // remove extension
                    std::size_t found = filename.rfind(".lua");
                    if (found != std::string::npos)
                    {
                        filename.erase(found);
                    }
                    // replace path seperator '/' '\' to '.'
                    for (int i=0; i<filename.size(); i++) {
                        if (filename[i] == '/' || filename[i] == '\\') {
                            filename[i] = '.';
                        }
                    }
                    CCLOG("[luaLoadChunksFromZIP] add %s to preload", filename.c_str());
                    if (stack->luaLoadBuffer(L, (char*)zbuffer, (int)bufferSize, filename.c_str()) == 0) {
                        lua_setfield(L, -2, filename.c_str());
                        ++count;
                    }
                    free(zbuffer);
                }
                filename = zip->getNextFilename();
            }
            CCLOG("lua_loadChunksFromZIP() - loaded chunks count: %d", count);
            lua_pop(L, 2);
            lua_pushboolean(L, 1);
            
            delete zip;
        } else {
            CCLOG("lua_loadChunksFromZIP() - not found or invalid zip file: %s", zipFilePath.c_str());
            lua_pushboolean(L, 0);
        }
        
        if (zipFileData) {
            free(zipFileData);
        }
        
        if (buffer) {
            free(buffer);
        }
    } while (0);
    
    return 1;
}

int LuaStack::luaLoadChunksFromZIP(lua_State *L)
{
    if (lua_gettop(L) < 1) {
        CCLOG("luaLoadChunksFromZIP() - invalid arguments");
        return 0;
    }

    const char *zipFilename = lua_tostring(L, -1);
    lua_settop(L, 0);
    FileUtils *utils = FileUtils::getInstance();
    std::string zipFilePath = utils->fullPathForFilename(zipFilename);

    LuaStack *stack = this;

    do {
        void *buffer = nullptr;
        ZipFile *zip = nullptr;
        Data zipFileData(utils->getDataFromFile(zipFilePath));
        unsigned char* bytes = zipFileData.getBytes();
        ssize_t size = zipFileData.getSize();

        bool isXXTEA = stack && stack->_xxteaEnabled && size >= stack->_xxteaSignLen
            && memcmp(stack->_xxteaSign, bytes, stack->_xxteaSignLen) == 0;


        if (isXXTEA) { // decrypt XXTEA
            xxtea_long len = 0;
            buffer = xxtea_decrypt(bytes + stack->_xxteaSignLen,
                                   (xxtea_long)size - (xxtea_long)stack->_xxteaSignLen,
                                   (unsigned char*)stack->_xxteaKey,
                                   (xxtea_long)stack->_xxteaKeyLen,
                                   &len);
            zip = ZipFile::createWithBuffer(buffer, len);
        } else {
            if (size > 0) {
                zip = ZipFile::createWithBuffer(bytes, (unsigned long)size);
            }
        }

        if (zip) {
            CCLOG("lua_loadChunksFromZIP() - load zip file: %s%s", zipFilePath.c_str(), isXXTEA ? "*" : "");
            lua_getglobal(L, "package");
            lua_getfield(L, -1, "preload");

            int count = 0;
            std::string filename = zip->getFirstFilename();
            while (filename.length()) {
                ssize_t bufferSize = 0;
                unsigned char *zbuffer = zip->getFileData(filename.c_str(), &bufferSize);
                if (bufferSize) {
                    // remove .lua or .luac extension
                    size_t pos = filename.find_last_of('.');
                    if (pos != std::string::npos)
                    {
                        std::string suffix = filename.substr(pos, filename.length());
                        if (suffix == NOT_BYTECODE_FILE_EXT || suffix == BYTECODE_FILE_EXT) {
                            filename.erase(pos);
                        }
                    }
                    // replace path separator '/' '\' to '.'
                    for (int i=0; i<filename.size(); i++) {
                        if (filename[i] == '/' || filename[i] == '\\') {
                            filename[i] = '.';
                        }
                    }
                    CCLOG("[luaLoadChunksFromZIP] add %s to preload", filename.c_str());
                    if (stack->luaLoadBuffer(L, (char*)zbuffer, (int)bufferSize, filename.c_str()) == 0) {
                        lua_setfield(L, -2, filename.c_str());
                        ++count;
                    }
                    free(zbuffer);
                }
                filename = zip->getNextFilename();
            }
            CCLOG("lua_loadChunksFromZIP() - loaded chunks count: %d", count);
            lua_pop(L, 2);
            lua_pushboolean(L, 1);

            delete zip;
        } else {
            CCLOG("lua_loadChunksFromZIP() - not found or invalid zip file: %s", zipFilePath.c_str());
            lua_pushboolean(L, 0);
        }


        if (buffer) {
            free(buffer);
        }
    } while (0);

    return 1;
}

bool AppDelegate::applicationDidFinishLaunching()
{
#if CC_TARGET_PLATFORM == CC_PLATFORM_WIN32
	initRuntime();
#elif (COCOS2D_DEBUG > 0 && CC_CODE_IDE_DEBUG_SUPPORT > 0)
	// NOTE:Please don't remove this call if you want to debug with Cocos Code IDE
	if (_launchMode)
	{
		initRuntime();
	}
#endif

    initResourcePath();
    
    // initialize director
    auto director = Director::getInstance();
    auto glview = director->getOpenGLView();    
    if(!glview) {
        Size viewSize = ConfigParser::getInstance()->getInitViewSize();
        string title = ConfigParser::getInstance()->getInitViewName();
#if (CC_TARGET_PLATFORM == CC_PLATFORM_WIN32 || CC_TARGET_PLATFORM == CC_PLATFORM_MAC)
        extern void createSimulator(const char* viewName, float width, float height, bool isLandscape = true, float frameZoomFactor = 1.0f);
        bool isLanscape = ConfigParser::getInstance()->isLanscape();
        createSimulator(title.c_str(),viewSize.width,viewSize.height, isLanscape);
#else
        glview = cocos2d::GLViewImpl::createWithRect(title.c_str(), Rect(0, 0, viewSize.width, viewSize.height));
        director->setOpenGLView(glview);
#endif
        director->startAnimation();
    }
   
    auto engine = LuaEngine::getInstance();
    ScriptEngineManager::getInstance()->setScriptEngine(engine);
    lua_State* L = engine->getLuaStack()->getLuaState();
    lua_module_register(L);

    // use Quick-Cocos2d-X
    quick_module_register(L);

    LuaStack* stack = engine->getLuaStack();
#if ANYSDK_DEFINE > 0
    lua_getglobal(stack->getLuaState(), "_G");
    tolua_anysdk_open(stack->getLuaState());
    tolua_anysdk_manual_open(stack->getLuaState());
    lua_pop(stack->getLuaState(), 1);
#endif

    stack->setXXTEAKeyAndSign("ilovecocos2dx", strlen("ilovecocos2dx"), "XXTEA", strlen("XXTEA"));

    stack->addSearchPath("src");
	
#if (COCOS2D_DEBUG > 0 && CC_CODE_IDE_DEBUG_SUPPORT > 0)
    // NOTE:Please don't remove this call if you want to debug with Cocos Code IDE
    if (_launchMode)
    {
        startRuntime();
    }
#endif
    FileUtils *utils = FileUtils::getInstance();

	const char *updateFileName = "code/launcher.zip";
	std::string updateFilePath = utils->fullPathForFilename(updateFileName);

    bool isUpdate = false;

	if (updateFilePath.compare(updateFileName) != 0) //check if update file exist
    {
		printf("%s\n", updateFilePath.c_str());
        isUpdate = true;
        engine->executeScriptFile(ConfigParser::getInstance()->getEntryFile().c_str());
    }

    if (!isUpdate) //no update file
    {
        const char *zipFilename ="code/game.zip";
        
        std::string zipFilePath = utils->fullPathForFilename(zipFilename);

        if (zipFilePath.compare(zipFilename) == 0) //no game zip file use default lua file
        {
            engine->executeScriptFile(ConfigParser::getInstance()->getEntryFile().c_str());
        }
        else
        {
            stack->loadChunksFromZIP(zipFilename);
            stack->executeString("require 'main'");
        }
    }
    return true;
}

int LuaStack::lua_loadChunksFromZIP(lua_State *L)
{
    if (lua_gettop(L) < 1) {
        CCLOG("lua_loadChunksFromZIP() - invalid arguments");
        return 0;
    }
    
    const char *zipFilename = lua_tostring(L, -1);
    lua_settop(L, 0);
    FileUtils *utils = FileUtils::getInstance();
    std::string zipFilePath = utils->fullPathForFilename(zipFilename);
    
    LuaStack *stack = curStack;
    
    do {
        ssize_t size = 0;
        void *buffer = NULL;
        unsigned char *zipFileData = utils->getFileData(zipFilePath.c_str(), "rb", &size);
        ZipFile *zip = NULL;
        
        bool isXXTEA = stack && stack->_xxteaEnabled && zipFileData;
        for (int i = 0; isXXTEA && i < stack->_xxteaSignLen && i < size; ++i) {
            isXXTEA = zipFileData[i] == stack->_xxteaSign[i];
        }
        
        if (isXXTEA) { // decrypt XXTEA
            xxtea_long len = 0;
            buffer = xxtea_decrypt(zipFileData + stack->_xxteaSignLen,
                                   (xxtea_long)size - (xxtea_long)stack->_xxteaSignLen,
                                   (unsigned char*)stack->_xxteaKey,
                                   (xxtea_long)stack->_xxteaKeyLen,
                                   &len);
            delete []zipFileData;
            zipFileData = NULL;
            zip = ZipFile::createWithBuffer(buffer, len);
        } else {
            if (zipFileData) {
                zip = ZipFile::createWithBuffer(zipFileData, size);
            }
        }
        
        if (zip) {
            CCLOG("lua_loadChunksFromZIP() - load zip file: %s%s", zipFilePath.c_str(), isXXTEA ? "*" : "");
            lua_getglobal(L, "package");
            lua_getfield(L, -1, "preload");
            
            int count = 0;
            std::string filename = zip->getFirstFilename();
            while (filename.length()) {
                ssize_t bufferSize = 0;
                unsigned char *zbuffer = zip->getFileData(filename.c_str(), &bufferSize);
                if (bufferSize) {
                    if (stack->luaLoadBuffer(L, (char*)zbuffer, (int)bufferSize, filename.c_str()) == 0) {
                        lua_setfield(L, -2, filename.c_str());
                        ++count;
                    }
                    delete []zbuffer;
                }
                filename = zip->getNextFilename();
            }
            CCLOG("lua_loadChunksFromZIP() - loaded chunks count: %d", count);
            lua_pop(L, 2);
            lua_pushboolean(L, 1);
            
            delete zip;
        } else {
            CCLOG("lua_loadChunksFromZIP() - not found or invalid zip file: %s", zipFilePath.c_str());
            lua_pushboolean(L, 0);
        }
        
        if (zipFileData) {
            delete []zipFileData;
        }
        
        if (buffer) {
            free(buffer);
        }
    } while (0);
    
    return 1;
}