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236 lines
7.5 KiB
236 lines
7.5 KiB
/****************************************************************************
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Copyright (c) 2010-2012 cocos2d-x.org
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Copyright (c) 2013-2016 Chukong Technologies Inc.
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Copyright (c) 2017-2023 Xiamen Yaji Software Co., Ltd.
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http://www.cocos.com
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights to
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use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
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of the Software, and to permit persons to whom the Software is furnished to do so,
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subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#include "platform/android/FileUtils-android.h"
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#include <android/log.h>
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#include <sys/stat.h>
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#include <cstdlib>
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#include "android/asset_manager.h"
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#include "android/asset_manager_jni.h"
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#include "base/Log.h"
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#include "base/ZipUtils.h"
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#include "base/memory/Memory.h"
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#include "platform/java/jni/JniHelper.h"
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#include "platform/java/jni/JniImp.h"
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#define LOG_TAG "FileUtils-android.cpp"
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#define LOGD(...) __android_log_print(ANDROID_LOG_DEBUG, LOG_TAG, __VA_ARGS__)
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#define ASSETS_FOLDER_NAME "@assets/"
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#ifndef JCLS_HELPER
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#define JCLS_HELPER "com/cocos/lib/CocosHelper"
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#endif
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namespace cc {
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AAssetManager *FileUtilsAndroid::assetmanager = nullptr;
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ZipFile *FileUtilsAndroid::obbfile = nullptr;
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FileUtils *createFileUtils() {
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return ccnew FileUtilsAndroid();
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}
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void FileUtilsAndroid::setAssetManager(AAssetManager *a) {
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if (nullptr == a) {
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LOGD("setAssetManager : received unexpected nullptr parameter");
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return;
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}
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cc::FileUtilsAndroid::assetmanager = a;
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}
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FileUtilsAndroid::FileUtilsAndroid() {
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init();
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}
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FileUtilsAndroid::~FileUtilsAndroid() {
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CC_SAFE_DELETE(obbfile);
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}
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bool FileUtilsAndroid::init() {
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_defaultResRootPath = ASSETS_FOLDER_NAME;
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ccstd::string assetsPath(getObbFilePathJNI());
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if (assetsPath.find("/obb/") != ccstd::string::npos) {
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obbfile = ccnew ZipFile(assetsPath);
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}
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return FileUtils::init();
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}
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bool FileUtilsAndroid::isFileExistInternal(const ccstd::string &strFilePath) const {
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if (strFilePath.empty()) {
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return false;
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}
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bool bFound = false;
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// Check whether file exists in apk.
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if (strFilePath[0] != '/') {
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const char *s = strFilePath.c_str();
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// Found "@assets/" at the beginning of the path and we don't want it
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if (strFilePath.find(ASSETS_FOLDER_NAME) == 0) s += strlen(ASSETS_FOLDER_NAME);
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if (obbfile && obbfile->fileExists(s)) {
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bFound = true;
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} else if (FileUtilsAndroid::assetmanager) {
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AAsset *aa = AAssetManager_open(FileUtilsAndroid::assetmanager, s, AASSET_MODE_UNKNOWN);
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if (aa) {
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bFound = true;
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AAsset_close(aa);
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} else {
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// CC_LOG_DEBUG("[AssetManager] ... in APK %s, found = false!", strFilePath.c_str());
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}
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}
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} else {
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FILE *fp = fopen(strFilePath.c_str(), "r");
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if (fp) {
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bFound = true;
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fclose(fp);
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}
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}
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return bFound;
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}
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bool FileUtilsAndroid::isDirectoryExistInternal(const ccstd::string &testDirPath) const {
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if (testDirPath.empty()) {
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return false;
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}
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ccstd::string dirPath = testDirPath;
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if (dirPath[dirPath.length() - 1] == '/') {
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dirPath[dirPath.length() - 1] = '\0';
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}
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// find absolute path in flash memory
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if (dirPath[0] == '/') {
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CC_LOG_DEBUG("find in flash memory dirPath(%s)", dirPath.c_str());
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struct stat st;
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if (stat(dirPath.c_str(), &st) == 0) {
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return S_ISDIR(st.st_mode);
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}
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} else {
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// find it in apk's assets dir
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// Found "@assets/" at the beginning of the path and we don't want it
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CC_LOG_DEBUG("find in apk dirPath(%s)", dirPath.c_str());
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const char *s = dirPath.c_str();
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if (dirPath.find(_defaultResRootPath) == 0) {
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s += _defaultResRootPath.length();
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}
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if (FileUtilsAndroid::assetmanager) {
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AAssetDir *aa = AAssetManager_openDir(FileUtilsAndroid::assetmanager, s);
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if (aa && AAssetDir_getNextFileName(aa)) {
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AAssetDir_close(aa);
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return true;
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}
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}
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}
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return false;
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}
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bool FileUtilsAndroid::isAbsolutePath(const ccstd::string &strPath) const {
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// On Android, there are two situations for full path.
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// 1) Files in APK, e.g. assets/path/path/file.png
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// 2) Files not in APK, e.g. /data/data/org.cocos2dx.hellocpp/cache/path/path/file.png, or /sdcard/path/path/file.png.
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// So these two situations need to be checked on Android.
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return strPath[0] == '/' || strPath.find(ASSETS_FOLDER_NAME) == 0;
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}
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FileUtils::Status FileUtilsAndroid::getContents(const ccstd::string &filename, ResizableBuffer *buffer) {
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if (filename.empty()) {
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return FileUtils::Status::NOT_EXISTS;
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}
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ccstd::string fullPath = fullPathForFilename(filename);
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if (fullPath.empty()) {
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return FileUtils::Status::NOT_EXISTS;
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}
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if (fullPath[0] == '/') {
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return FileUtils::getContents(fullPath, buffer);
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}
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ccstd::string relativePath;
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size_t position = fullPath.find(ASSETS_FOLDER_NAME);
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if (0 == position) {
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// "@assets/" is at the beginning of the path and we don't want it
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relativePath += fullPath.substr(strlen(ASSETS_FOLDER_NAME));
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} else {
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relativePath = fullPath;
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}
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if (obbfile) {
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if (obbfile->getFileData(relativePath, buffer)) {
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return FileUtils::Status::OK;
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}
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}
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if (nullptr == assetmanager) {
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LOGD("... FileUtilsAndroid::assetmanager is nullptr");
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return FileUtils::Status::NOT_INITIALIZED;
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}
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AAsset *asset = AAssetManager_open(assetmanager, relativePath.data(), AASSET_MODE_UNKNOWN);
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if (nullptr == asset) {
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LOGD("asset (%s) is nullptr", filename.c_str());
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return FileUtils::Status::OPEN_FAILED;
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}
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auto size = AAsset_getLength(asset);
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buffer->resize(size);
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int readsize = AAsset_read(asset, buffer->buffer(), size);
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AAsset_close(asset);
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if (readsize < size) {
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if (readsize >= 0) {
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buffer->resize(readsize);
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}
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return FileUtils::Status::READ_FAILED;
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}
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return FileUtils::Status::OK;
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}
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ccstd::string FileUtilsAndroid::getWritablePath() const {
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if (!_writablePath.empty()) {
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return _writablePath;
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}
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// Fix for Nexus 10 (Android 4.2 multi-user environment)
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// the path is retrieved through Java Context.getCacheDir() method
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ccstd::string dir;
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ccstd::string tmp = JniHelper::callStaticStringMethod(JCLS_HELPER, "getWritablePath");
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if (tmp.length() > 0) {
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dir.append(tmp).append("/");
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return dir;
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}
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return "";
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}
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} // namespace cc
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