Loading include/androidfw/AssetManager.h +8 −59 Original line number Diff line number Diff line Loading @@ -59,10 +59,7 @@ struct ResTable_config; * single instance may be shared across multiple threads, and a single * thread may have more than one instance (the latter is discouraged). * * The purpose of the AssetManager is to create Asset objects. To do * this efficiently it may cache information about the locations of * files it has seen. This can be controlled with the "cacheMode" * argument. * The purpose of the AssetManager is to create Asset objects. * * The asset hierarchy may be examined like a filesystem, using * AssetDir objects to peruse a single directory. Loading @@ -82,14 +79,7 @@ public: static const char* TARGET_APK_PATH; static const char* IDMAP_DIR; typedef enum CacheMode { CACHE_UNKNOWN = 0, CACHE_OFF, // don't try to cache file locations CACHE_DEFER, // construct cache as pieces are needed //CACHE_SCAN, // scan full(!) asset hierarchy at init() time } CacheMode; AssetManager(CacheMode cacheMode = CACHE_OFF); AssetManager(); virtual ~AssetManager(void); static int32_t getGlobalCount(); Loading Loading @@ -126,23 +116,16 @@ public: int32_t nextAssetPath(const int32_t cookie) const; /* * Return an asset path in the manager. 'which' must be between 0 and * countAssetPaths(). * Return an asset path in the manager. 'cookie' must be a non-negative value * previously returned from addAssetPath() or nextAssetPath(). */ String8 getAssetPath(const int32_t cookie) const; /* * Set the current locale and vendor. The locale can change during * the lifetime of an AssetManager if the user updates the device's * language setting. The vendor is less likely to change. * * Pass in NULL to indicate no preference. */ void setLocale(const char* locale); void setVendor(const char* vendor); /* * Choose screen orientation for resources values returned. * Sets various device configuration parameters, like screen orientation, layout, * size, locale, etc. * The optional 'locale' string takes precedence over the locale within 'config' * and must be in bcp47 format. */ void setConfiguration(const ResTable_config& config, const char* locale = NULL); Loading Loading @@ -214,13 +197,6 @@ public: */ const ResTable& getResources(bool required = true) const; /* * Discard cached filename information. This only needs to be called * if somebody has updated the set of "loose" files, and we want to * discard our cached notion of what's where. */ void purge(void) { purgeFileNameCacheLocked(); } /* * Return true if the files this AssetManager references are all * up-to-date (have not been changed since it was created). If false Loading Loading @@ -253,12 +229,8 @@ private: bool isSystemAsset; }; Asset* openInPathLocked(const char* fileName, AccessMode mode, const asset_path& path); Asset* openNonAssetInPathLocked(const char* fileName, AccessMode mode, const asset_path& path); Asset* openInLocaleVendorLocked(const char* fileName, AccessMode mode, const asset_path& path, const char* locale, const char* vendor); String8 createPathNameLocked(const asset_path& path, const char* locale, const char* vendor); String8 createPathNameLocked(const asset_path& path, const char* rootDir); Loading @@ -278,15 +250,6 @@ private: void mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const SortedVector<AssetDir::FileInfo>* pContents); void loadFileNameCacheLocked(void); void fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const char* dirName); bool fncScanAndMergeDirLocked( SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& path, const char* locale, const char* vendor, const char* dirName); void purgeFileNameCacheLocked(void); const ResTable* getResTable(bool required = true) const; void setLocaleLocked(const char* locale); void updateResourceParamsLocked() const; Loading Loading @@ -381,23 +344,9 @@ private: Vector<asset_path> mAssetPaths; char* mLocale; char* mVendor; mutable ResTable* mResources; ResTable_config* mConfig; /* * Cached data for "loose" files. This lets us avoid poking at the * filesystem when searching for loose assets. Each entry is the * "extended partial" path, e.g. "default/default/foo/bar.txt". The * full set of files is present, including ".EXCLUDE" entries. * * We do not cache directory names. We don't retain the ".gz", * because to our clients "foo" and "foo.gz" both look like "foo". */ CacheMode mCacheMode; // is the cache enabled? bool mCacheValid; // clear when locale or vendor changes SortedVector<AssetDir::FileInfo> mCache; }; }; // namespace android Loading libs/androidfw/AssetManager.cpp +50 −469 Original line number Diff line number Diff line Loading @@ -82,8 +82,8 @@ const char* AssetManager::TARGET_APK_PATH = "/system/framework/framework-res.apk const char* AssetManager::IDMAP_DIR = "/data/resource-cache"; namespace { String8 idmapPathForPackagePath(const String8& pkgPath) { String8 idmapPathForPackagePath(const String8& pkgPath) { const char* root = getenv("ANDROID_DATA"); LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_DATA not set"); String8 path(root); Loading Loading @@ -112,8 +112,7 @@ namespace { /* * Like strdup(), but uses C++ "new" operator instead of malloc. */ static char* strdupNew(const char* str) { static char* strdupNew(const char* str) { char* newStr; int len; Loading @@ -126,7 +125,8 @@ namespace { return newStr; } } } // namespace /* * =========================================================================== Loading @@ -134,16 +134,12 @@ namespace { * =========================================================================== */ int32_t AssetManager::getGlobalCount() { int32_t AssetManager::getGlobalCount() { return gCount; } AssetManager::AssetManager(CacheMode cacheMode) : mLocale(NULL), mVendor(NULL), mResources(NULL), mConfig(new ResTable_config), mCacheMode(cacheMode), mCacheValid(false) { AssetManager::AssetManager() : mLocale(NULL), mResources(NULL), mConfig(new ResTable_config) { int count = android_atomic_inc(&gCount) + 1; if (kIsDebug) { ALOGI("Creating AssetManager %p #%d\n", this, count); Loading @@ -151,8 +147,7 @@ AssetManager::AssetManager(CacheMode cacheMode) memset(mConfig, 0, sizeof(ResTable_config)); } AssetManager::~AssetManager(void) { AssetManager::~AssetManager() { int count = android_atomic_dec(&gCount); if (kIsDebug) { ALOGI("Destroying AssetManager in %p #%d\n", this, count); Loading @@ -163,12 +158,10 @@ AssetManager::~AssetManager(void) // don't have a String class yet, so make sure we clean up delete[] mLocale; delete[] mVendor; } bool AssetManager::addAssetPath( const String8& path, int32_t* cookie, bool appAsLib, bool isSystemAsset) { const String8& path, int32_t* cookie, bool appAsLib, bool isSystemAsset) { AutoMutex _l(mLock); asset_path ap; Loading Loading @@ -343,25 +336,9 @@ String8 AssetManager::getAssetPath(const int32_t cookie) const return String8(); } /* * Set the current locale. Use NULL to indicate no locale. * * Close and reopen Zip archives as appropriate, and reset cached * information in the locale-specific sections of the tree. */ void AssetManager::setLocale(const char* locale) { AutoMutex _l(mLock); setLocaleLocked(locale); } void AssetManager::setLocaleLocked(const char* locale) { if (mLocale != NULL) { /* previously set, purge cached data */ purgeFileNameCacheLocked(); //mZipSet.purgeLocale(); delete[] mLocale; } Loading @@ -369,25 +346,6 @@ void AssetManager::setLocaleLocked(const char* locale) updateResourceParamsLocked(); } /* * Set the current vendor. Use NULL to indicate no vendor. * * Close and reopen Zip archives as appropriate, and reset cached * information in the vendor-specific sections of the tree. */ void AssetManager::setVendor(const char* vendor) { AutoMutex _l(mLock); if (mVendor != NULL) { /* previously set, purge cached data */ purgeFileNameCacheLocked(); //mZipSet.purgeVendor(); delete[] mVendor; } mVendor = strdupNew(vendor); } void AssetManager::setConfiguration(const ResTable_config& config, const char* locale) { AutoMutex _l(mLock); Loading Loading @@ -439,10 +397,6 @@ Asset* AssetManager::open(const char* fileName, AccessMode mode) LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); String8 assetName(kAssetsRoot); assetName.appendPath(fileName); Loading Loading @@ -476,10 +430,6 @@ Asset* AssetManager::openNonAsset(const char* fileName, AccessMode mode, int32_t LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); /* * For each top-level asset path, search for the asset. */ Loading Loading @@ -507,9 +457,6 @@ Asset* AssetManager::openNonAsset(const int32_t cookie, const char* fileName, Ac LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); if (which < mAssetPaths.size()) { ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, mAssetPaths.itemAt(which).path.string()); Loading Loading @@ -659,10 +606,6 @@ const ResTable* AssetManager::getResTable(bool required) const LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); } if (mCacheMode != CACHE_OFF && !mCacheValid) { const_cast<AssetManager*>(this)->loadFileNameCacheLocked(); } mResources = new ResTable(); updateResourceParamsLocked(); Loading Loading @@ -832,158 +775,6 @@ Asset* AssetManager::openNonAssetInPathLocked(const char* fileName, AccessMode m return pAsset; } /* * Open an asset, searching for it in the directory hierarchy for the * specified app. * * Pass in a NULL values for "appName" if the common app directory should * be used. */ Asset* AssetManager::openInPathLocked(const char* fileName, AccessMode mode, const asset_path& ap) { Asset* pAsset = NULL; /* * Try various combinations of locale and vendor. */ if (mLocale != NULL && mVendor != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, mVendor); if (pAsset == NULL && mVendor != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, mVendor); if (pAsset == NULL && mLocale != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, NULL); if (pAsset == NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, NULL); return pAsset; } /* * Open an asset, searching for it in the directory hierarchy for the * specified locale and vendor. * * We also search in "app.jar". * * Pass in NULL values for "appName", "locale", and "vendor" if the * defaults should be used. */ Asset* AssetManager::openInLocaleVendorLocked(const char* fileName, AccessMode mode, const asset_path& ap, const char* locale, const char* vendor) { Asset* pAsset = NULL; if (ap.type == kFileTypeDirectory) { if (mCacheMode == CACHE_OFF) { /* look at the filesystem on disk */ String8 path(createPathNameLocked(ap, locale, vendor)); path.appendPath(fileName); String8 excludeName(path); excludeName.append(kExcludeExtension); if (::getFileType(excludeName.string()) != kFileTypeNonexistent) { /* say no more */ //printf("+++ excluding '%s'\n", (const char*) excludeName); return kExcludedAsset; } pAsset = openAssetFromFileLocked(path, mode); if (pAsset == NULL) { /* try again, this time with ".gz" */ path.append(".gz"); pAsset = openAssetFromFileLocked(path, mode); } if (pAsset != NULL) pAsset->setAssetSource(path); } else { /* find in cache */ String8 path(createPathNameLocked(ap, locale, vendor)); path.appendPath(fileName); AssetDir::FileInfo tmpInfo; bool found = false; String8 excludeName(path); excludeName.append(kExcludeExtension); if (mCache.indexOf(excludeName) != NAME_NOT_FOUND) { /* go no farther */ //printf("+++ Excluding '%s'\n", (const char*) excludeName); return kExcludedAsset; } /* * File compression extensions (".gz") don't get stored in the * name cache, so we have to try both here. */ if (mCache.indexOf(path) != NAME_NOT_FOUND) { found = true; pAsset = openAssetFromFileLocked(path, mode); if (pAsset == NULL) { /* try again, this time with ".gz" */ path.append(".gz"); pAsset = openAssetFromFileLocked(path, mode); } } if (pAsset != NULL) pAsset->setAssetSource(path); /* * Don't continue the search into the Zip files. Our cached info * said it was a file on disk; to be consistent with openDir() * we want to return the loose asset. If the cached file gets * removed, we fail. * * The alternative is to update our cache when files get deleted, * or make some sort of "best effort" promise, but for now I'm * taking the hard line. */ if (found) { if (pAsset == NULL) ALOGD("Expected file not found: '%s'\n", path.string()); return pAsset; } } } /* * Either it wasn't found on disk or on the cached view of the disk. * Dig through the currently-opened set of Zip files. If caching * is disabled, the Zip file may get reopened. */ if (pAsset == NULL && ap.type == kFileTypeRegular) { String8 path; path.appendPath((locale != NULL) ? locale : kDefaultLocale); path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); path.appendPath(fileName); /* check the appropriate Zip file */ ZipFileRO* pZip = getZipFileLocked(ap); if (pZip != NULL) { //printf("GOT zip, checking '%s'\n", (const char*) path); ZipEntryRO entry = pZip->findEntryByName(path.string()); if (entry != NULL) { //printf("FOUND in Zip file for %s/%s-%s\n", // appName, locale, vendor); pAsset = openAssetFromZipLocked(pZip, entry, mode, path); pZip->releaseEntry(entry); } } if (pAsset != NULL) { /* create a "source" name, for debug/display */ pAsset->setAssetSource(createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), String8(""), String8(fileName))); } } return pAsset; } /* * Create a "source name" for a file from a Zip archive. */ Loading Loading @@ -1141,9 +932,6 @@ AssetDir* AssetManager::openDir(const char* dirName) //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); pDir = new AssetDir; /* Loading Loading @@ -1204,9 +992,6 @@ AssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirNam //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); pDir = new AssetDir; pMergedInfo = new SortedVector<AssetDir::FileInfo>; Loading Loading @@ -1247,74 +1032,17 @@ AssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirNam bool AssetManager::scanAndMergeDirLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& ap, const char* rootDir, const char* dirName) { SortedVector<AssetDir::FileInfo>* pContents; String8 path; assert(pMergedInfo != NULL); //printf("scanAndMergeDir: %s %s %s %s\n", appName, locale, vendor,dirName); if (mCacheValid) { int i, start, count; //printf("scanAndMergeDir: %s %s %s\n", ap.path.string(), rootDir, dirName); pContents = new SortedVector<AssetDir::FileInfo>; /* * Get the basic partial path and find it in the cache. That's * the start point for the search. */ path = createPathNameLocked(ap, rootDir); String8 path = createPathNameLocked(ap, rootDir); if (dirName[0] != '\0') path.appendPath(dirName); start = mCache.indexOf(path); if (start == NAME_NOT_FOUND) { //printf("+++ not found in cache: dir '%s'\n", (const char*) path); delete pContents; return false; } /* * The match string looks like "common/default/default/foo/bar/". * The '/' on the end ensures that we don't match on the directory * itself or on ".../foo/barfy/". */ path.append("/"); count = mCache.size(); /* * Pick out the stuff in the current dir by examining the pathname. * It needs to match the partial pathname prefix, and not have a '/' * (fssep) anywhere after the prefix. */ for (i = start+1; i < count; i++) { if (mCache[i].getFileName().length() > path.length() && strncmp(mCache[i].getFileName().string(), path.string(), path.length()) == 0) { const char* name = mCache[i].getFileName().string(); // XXX THIS IS BROKEN! Looks like we need to store the full // path prefix separately from the file path. if (strchr(name + path.length(), '/') == NULL) { /* grab it, reducing path to just the filename component */ AssetDir::FileInfo tmp = mCache[i]; tmp.setFileName(tmp.getFileName().getPathLeaf()); pContents->add(tmp); } } else { /* no longer in the dir or its subdirs */ break; } } } else { path = createPathNameLocked(ap, rootDir); if (dirName[0] != '\0') path.appendPath(dirName); pContents = scanDirLocked(path); SortedVector<AssetDir::FileInfo>* pContents = scanDirLocked(path); if (pContents == NULL) return false; } // if we wanted to do an incremental cache fill, we would do it here Loading Loading @@ -1641,153 +1369,6 @@ void AssetManager::mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo #endif } /* * Load all files into the file name cache. We want to do this across * all combinations of { appname, locale, vendor }, performing a recursive * directory traversal. * * This is not the most efficient data structure. Also, gathering the * information as we needed it (file-by-file or directory-by-directory) * would be faster. However, on the actual device, 99% of the files will * live in Zip archives, so this list will be very small. The trouble * is that we have to check the "loose" files first, so it's important * that we don't beat the filesystem silly looking for files that aren't * there. * * Note on thread safety: this is the only function that causes updates * to mCache, and anybody who tries to use it will call here if !mCacheValid, * so we need to employ a mutex here. */ void AssetManager::loadFileNameCacheLocked(void) { assert(!mCacheValid); assert(mCache.size() == 0); #ifdef DO_TIMINGS // need to link against -lrt for this now DurationTimer timer; timer.start(); #endif fncScanLocked(&mCache, ""); #ifdef DO_TIMINGS timer.stop(); ALOGD("Cache scan took %.3fms\n", timer.durationUsecs() / 1000.0); #endif #if 0 int i; printf("CACHED FILE LIST (%d entries):\n", mCache.size()); for (i = 0; i < (int) mCache.size(); i++) { printf(" %d: (%d) '%s'\n", i, mCache.itemAt(i).getFileType(), (const char*) mCache.itemAt(i).getFileName()); } #endif mCacheValid = true; } /* * Scan up to 8 versions of the specified directory. */ void AssetManager::fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const char* dirName) { size_t i = mAssetPaths.size(); while (i > 0) { i--; const asset_path& ap = mAssetPaths.itemAt(i); fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, NULL, dirName); if (mLocale != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, NULL, dirName); if (mVendor != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, mVendor, dirName); if (mLocale != NULL && mVendor != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, mVendor, dirName); } } /* * Recursively scan this directory and all subdirs. * * This is similar to scanAndMergeDir, but we don't remove the .EXCLUDE * files, and we prepend the extended partial path to the filenames. */ bool AssetManager::fncScanAndMergeDirLocked( SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& ap, const char* locale, const char* vendor, const char* dirName) { SortedVector<AssetDir::FileInfo>* pContents; String8 partialPath; String8 fullPath; // XXX This is broken -- the filename cache needs to hold the base // asset path separately from its filename. partialPath = createPathNameLocked(ap, locale, vendor); if (dirName[0] != '\0') { partialPath.appendPath(dirName); } fullPath = partialPath; pContents = scanDirLocked(fullPath); if (pContents == NULL) { return false; // directory did not exist } /* * Scan all subdirectories of the current dir, merging what we find * into "pMergedInfo". */ for (int i = 0; i < (int) pContents->size(); i++) { if (pContents->itemAt(i).getFileType() == kFileTypeDirectory) { String8 subdir(dirName); subdir.appendPath(pContents->itemAt(i).getFileName()); fncScanAndMergeDirLocked(pMergedInfo, ap, locale, vendor, subdir.string()); } } /* * To be consistent, we want entries for the root directory. If * we're the root, add one now. */ if (dirName[0] == '\0') { AssetDir::FileInfo tmpInfo; tmpInfo.set(String8(""), kFileTypeDirectory); tmpInfo.setSourceName(createPathNameLocked(ap, locale, vendor)); pContents->add(tmpInfo); } /* * We want to prepend the extended partial path to every entry in * "pContents". It's the same value for each entry, so this will * not change the sorting order of the vector contents. */ for (int i = 0; i < (int) pContents->size(); i++) { const AssetDir::FileInfo& info = pContents->itemAt(i); pContents->editItemAt(i).setFileName(partialPath.appendPathCopy(info.getFileName())); } mergeInfoLocked(pMergedInfo, pContents); delete pContents; return true; } /* * Trash the cache. */ void AssetManager::purgeFileNameCacheLocked(void) { mCacheValid = false; mCache.clear(); } /* * =========================================================================== * AssetManager::SharedZip Loading tools/aapt/Command.cpp +1 −1 Original line number Diff line number Diff line Loading @@ -1281,7 +1281,7 @@ int doDump(Bundle* bundle) const size_t NL = locales.size(); for (size_t i=0; i<NL; i++) { const char* localeStr = locales[i].string(); assets.setLocale(localeStr != NULL ? localeStr : ""); assets.setConfiguration(config, localeStr != NULL ? localeStr : ""); String8 llabel = AaptXml::getResolvedAttribute(res, tree, LABEL_ATTR, &error); if (llabel != "") { Loading Loading
include/androidfw/AssetManager.h +8 −59 Original line number Diff line number Diff line Loading @@ -59,10 +59,7 @@ struct ResTable_config; * single instance may be shared across multiple threads, and a single * thread may have more than one instance (the latter is discouraged). * * The purpose of the AssetManager is to create Asset objects. To do * this efficiently it may cache information about the locations of * files it has seen. This can be controlled with the "cacheMode" * argument. * The purpose of the AssetManager is to create Asset objects. * * The asset hierarchy may be examined like a filesystem, using * AssetDir objects to peruse a single directory. Loading @@ -82,14 +79,7 @@ public: static const char* TARGET_APK_PATH; static const char* IDMAP_DIR; typedef enum CacheMode { CACHE_UNKNOWN = 0, CACHE_OFF, // don't try to cache file locations CACHE_DEFER, // construct cache as pieces are needed //CACHE_SCAN, // scan full(!) asset hierarchy at init() time } CacheMode; AssetManager(CacheMode cacheMode = CACHE_OFF); AssetManager(); virtual ~AssetManager(void); static int32_t getGlobalCount(); Loading Loading @@ -126,23 +116,16 @@ public: int32_t nextAssetPath(const int32_t cookie) const; /* * Return an asset path in the manager. 'which' must be between 0 and * countAssetPaths(). * Return an asset path in the manager. 'cookie' must be a non-negative value * previously returned from addAssetPath() or nextAssetPath(). */ String8 getAssetPath(const int32_t cookie) const; /* * Set the current locale and vendor. The locale can change during * the lifetime of an AssetManager if the user updates the device's * language setting. The vendor is less likely to change. * * Pass in NULL to indicate no preference. */ void setLocale(const char* locale); void setVendor(const char* vendor); /* * Choose screen orientation for resources values returned. * Sets various device configuration parameters, like screen orientation, layout, * size, locale, etc. * The optional 'locale' string takes precedence over the locale within 'config' * and must be in bcp47 format. */ void setConfiguration(const ResTable_config& config, const char* locale = NULL); Loading Loading @@ -214,13 +197,6 @@ public: */ const ResTable& getResources(bool required = true) const; /* * Discard cached filename information. This only needs to be called * if somebody has updated the set of "loose" files, and we want to * discard our cached notion of what's where. */ void purge(void) { purgeFileNameCacheLocked(); } /* * Return true if the files this AssetManager references are all * up-to-date (have not been changed since it was created). If false Loading Loading @@ -253,12 +229,8 @@ private: bool isSystemAsset; }; Asset* openInPathLocked(const char* fileName, AccessMode mode, const asset_path& path); Asset* openNonAssetInPathLocked(const char* fileName, AccessMode mode, const asset_path& path); Asset* openInLocaleVendorLocked(const char* fileName, AccessMode mode, const asset_path& path, const char* locale, const char* vendor); String8 createPathNameLocked(const asset_path& path, const char* locale, const char* vendor); String8 createPathNameLocked(const asset_path& path, const char* rootDir); Loading @@ -278,15 +250,6 @@ private: void mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const SortedVector<AssetDir::FileInfo>* pContents); void loadFileNameCacheLocked(void); void fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const char* dirName); bool fncScanAndMergeDirLocked( SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& path, const char* locale, const char* vendor, const char* dirName); void purgeFileNameCacheLocked(void); const ResTable* getResTable(bool required = true) const; void setLocaleLocked(const char* locale); void updateResourceParamsLocked() const; Loading Loading @@ -381,23 +344,9 @@ private: Vector<asset_path> mAssetPaths; char* mLocale; char* mVendor; mutable ResTable* mResources; ResTable_config* mConfig; /* * Cached data for "loose" files. This lets us avoid poking at the * filesystem when searching for loose assets. Each entry is the * "extended partial" path, e.g. "default/default/foo/bar.txt". The * full set of files is present, including ".EXCLUDE" entries. * * We do not cache directory names. We don't retain the ".gz", * because to our clients "foo" and "foo.gz" both look like "foo". */ CacheMode mCacheMode; // is the cache enabled? bool mCacheValid; // clear when locale or vendor changes SortedVector<AssetDir::FileInfo> mCache; }; }; // namespace android Loading
libs/androidfw/AssetManager.cpp +50 −469 Original line number Diff line number Diff line Loading @@ -82,8 +82,8 @@ const char* AssetManager::TARGET_APK_PATH = "/system/framework/framework-res.apk const char* AssetManager::IDMAP_DIR = "/data/resource-cache"; namespace { String8 idmapPathForPackagePath(const String8& pkgPath) { String8 idmapPathForPackagePath(const String8& pkgPath) { const char* root = getenv("ANDROID_DATA"); LOG_ALWAYS_FATAL_IF(root == NULL, "ANDROID_DATA not set"); String8 path(root); Loading Loading @@ -112,8 +112,7 @@ namespace { /* * Like strdup(), but uses C++ "new" operator instead of malloc. */ static char* strdupNew(const char* str) { static char* strdupNew(const char* str) { char* newStr; int len; Loading @@ -126,7 +125,8 @@ namespace { return newStr; } } } // namespace /* * =========================================================================== Loading @@ -134,16 +134,12 @@ namespace { * =========================================================================== */ int32_t AssetManager::getGlobalCount() { int32_t AssetManager::getGlobalCount() { return gCount; } AssetManager::AssetManager(CacheMode cacheMode) : mLocale(NULL), mVendor(NULL), mResources(NULL), mConfig(new ResTable_config), mCacheMode(cacheMode), mCacheValid(false) { AssetManager::AssetManager() : mLocale(NULL), mResources(NULL), mConfig(new ResTable_config) { int count = android_atomic_inc(&gCount) + 1; if (kIsDebug) { ALOGI("Creating AssetManager %p #%d\n", this, count); Loading @@ -151,8 +147,7 @@ AssetManager::AssetManager(CacheMode cacheMode) memset(mConfig, 0, sizeof(ResTable_config)); } AssetManager::~AssetManager(void) { AssetManager::~AssetManager() { int count = android_atomic_dec(&gCount); if (kIsDebug) { ALOGI("Destroying AssetManager in %p #%d\n", this, count); Loading @@ -163,12 +158,10 @@ AssetManager::~AssetManager(void) // don't have a String class yet, so make sure we clean up delete[] mLocale; delete[] mVendor; } bool AssetManager::addAssetPath( const String8& path, int32_t* cookie, bool appAsLib, bool isSystemAsset) { const String8& path, int32_t* cookie, bool appAsLib, bool isSystemAsset) { AutoMutex _l(mLock); asset_path ap; Loading Loading @@ -343,25 +336,9 @@ String8 AssetManager::getAssetPath(const int32_t cookie) const return String8(); } /* * Set the current locale. Use NULL to indicate no locale. * * Close and reopen Zip archives as appropriate, and reset cached * information in the locale-specific sections of the tree. */ void AssetManager::setLocale(const char* locale) { AutoMutex _l(mLock); setLocaleLocked(locale); } void AssetManager::setLocaleLocked(const char* locale) { if (mLocale != NULL) { /* previously set, purge cached data */ purgeFileNameCacheLocked(); //mZipSet.purgeLocale(); delete[] mLocale; } Loading @@ -369,25 +346,6 @@ void AssetManager::setLocaleLocked(const char* locale) updateResourceParamsLocked(); } /* * Set the current vendor. Use NULL to indicate no vendor. * * Close and reopen Zip archives as appropriate, and reset cached * information in the vendor-specific sections of the tree. */ void AssetManager::setVendor(const char* vendor) { AutoMutex _l(mLock); if (mVendor != NULL) { /* previously set, purge cached data */ purgeFileNameCacheLocked(); //mZipSet.purgeVendor(); delete[] mVendor; } mVendor = strdupNew(vendor); } void AssetManager::setConfiguration(const ResTable_config& config, const char* locale) { AutoMutex _l(mLock); Loading Loading @@ -439,10 +397,6 @@ Asset* AssetManager::open(const char* fileName, AccessMode mode) LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); String8 assetName(kAssetsRoot); assetName.appendPath(fileName); Loading Loading @@ -476,10 +430,6 @@ Asset* AssetManager::openNonAsset(const char* fileName, AccessMode mode, int32_t LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); /* * For each top-level asset path, search for the asset. */ Loading Loading @@ -507,9 +457,6 @@ Asset* AssetManager::openNonAsset(const int32_t cookie, const char* fileName, Ac LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); if (which < mAssetPaths.size()) { ALOGV("Looking for non-asset '%s' in '%s'\n", fileName, mAssetPaths.itemAt(which).path.string()); Loading Loading @@ -659,10 +606,6 @@ const ResTable* AssetManager::getResTable(bool required) const LOG_FATAL_IF(mAssetPaths.size() == 0, "No assets added to AssetManager"); } if (mCacheMode != CACHE_OFF && !mCacheValid) { const_cast<AssetManager*>(this)->loadFileNameCacheLocked(); } mResources = new ResTable(); updateResourceParamsLocked(); Loading Loading @@ -832,158 +775,6 @@ Asset* AssetManager::openNonAssetInPathLocked(const char* fileName, AccessMode m return pAsset; } /* * Open an asset, searching for it in the directory hierarchy for the * specified app. * * Pass in a NULL values for "appName" if the common app directory should * be used. */ Asset* AssetManager::openInPathLocked(const char* fileName, AccessMode mode, const asset_path& ap) { Asset* pAsset = NULL; /* * Try various combinations of locale and vendor. */ if (mLocale != NULL && mVendor != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, mVendor); if (pAsset == NULL && mVendor != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, mVendor); if (pAsset == NULL && mLocale != NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, mLocale, NULL); if (pAsset == NULL) pAsset = openInLocaleVendorLocked(fileName, mode, ap, NULL, NULL); return pAsset; } /* * Open an asset, searching for it in the directory hierarchy for the * specified locale and vendor. * * We also search in "app.jar". * * Pass in NULL values for "appName", "locale", and "vendor" if the * defaults should be used. */ Asset* AssetManager::openInLocaleVendorLocked(const char* fileName, AccessMode mode, const asset_path& ap, const char* locale, const char* vendor) { Asset* pAsset = NULL; if (ap.type == kFileTypeDirectory) { if (mCacheMode == CACHE_OFF) { /* look at the filesystem on disk */ String8 path(createPathNameLocked(ap, locale, vendor)); path.appendPath(fileName); String8 excludeName(path); excludeName.append(kExcludeExtension); if (::getFileType(excludeName.string()) != kFileTypeNonexistent) { /* say no more */ //printf("+++ excluding '%s'\n", (const char*) excludeName); return kExcludedAsset; } pAsset = openAssetFromFileLocked(path, mode); if (pAsset == NULL) { /* try again, this time with ".gz" */ path.append(".gz"); pAsset = openAssetFromFileLocked(path, mode); } if (pAsset != NULL) pAsset->setAssetSource(path); } else { /* find in cache */ String8 path(createPathNameLocked(ap, locale, vendor)); path.appendPath(fileName); AssetDir::FileInfo tmpInfo; bool found = false; String8 excludeName(path); excludeName.append(kExcludeExtension); if (mCache.indexOf(excludeName) != NAME_NOT_FOUND) { /* go no farther */ //printf("+++ Excluding '%s'\n", (const char*) excludeName); return kExcludedAsset; } /* * File compression extensions (".gz") don't get stored in the * name cache, so we have to try both here. */ if (mCache.indexOf(path) != NAME_NOT_FOUND) { found = true; pAsset = openAssetFromFileLocked(path, mode); if (pAsset == NULL) { /* try again, this time with ".gz" */ path.append(".gz"); pAsset = openAssetFromFileLocked(path, mode); } } if (pAsset != NULL) pAsset->setAssetSource(path); /* * Don't continue the search into the Zip files. Our cached info * said it was a file on disk; to be consistent with openDir() * we want to return the loose asset. If the cached file gets * removed, we fail. * * The alternative is to update our cache when files get deleted, * or make some sort of "best effort" promise, but for now I'm * taking the hard line. */ if (found) { if (pAsset == NULL) ALOGD("Expected file not found: '%s'\n", path.string()); return pAsset; } } } /* * Either it wasn't found on disk or on the cached view of the disk. * Dig through the currently-opened set of Zip files. If caching * is disabled, the Zip file may get reopened. */ if (pAsset == NULL && ap.type == kFileTypeRegular) { String8 path; path.appendPath((locale != NULL) ? locale : kDefaultLocale); path.appendPath((vendor != NULL) ? vendor : kDefaultVendor); path.appendPath(fileName); /* check the appropriate Zip file */ ZipFileRO* pZip = getZipFileLocked(ap); if (pZip != NULL) { //printf("GOT zip, checking '%s'\n", (const char*) path); ZipEntryRO entry = pZip->findEntryByName(path.string()); if (entry != NULL) { //printf("FOUND in Zip file for %s/%s-%s\n", // appName, locale, vendor); pAsset = openAssetFromZipLocked(pZip, entry, mode, path); pZip->releaseEntry(entry); } } if (pAsset != NULL) { /* create a "source" name, for debug/display */ pAsset->setAssetSource(createZipSourceNameLocked(ZipSet::getPathName(ap.path.string()), String8(""), String8(fileName))); } } return pAsset; } /* * Create a "source name" for a file from a Zip archive. */ Loading Loading @@ -1141,9 +932,6 @@ AssetDir* AssetManager::openDir(const char* dirName) //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); pDir = new AssetDir; /* Loading Loading @@ -1204,9 +992,6 @@ AssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirNam //printf("+++ openDir(%s) in '%s'\n", dirName, (const char*) mAssetBase); if (mCacheMode != CACHE_OFF && !mCacheValid) loadFileNameCacheLocked(); pDir = new AssetDir; pMergedInfo = new SortedVector<AssetDir::FileInfo>; Loading Loading @@ -1247,74 +1032,17 @@ AssetDir* AssetManager::openNonAssetDir(const int32_t cookie, const char* dirNam bool AssetManager::scanAndMergeDirLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& ap, const char* rootDir, const char* dirName) { SortedVector<AssetDir::FileInfo>* pContents; String8 path; assert(pMergedInfo != NULL); //printf("scanAndMergeDir: %s %s %s %s\n", appName, locale, vendor,dirName); if (mCacheValid) { int i, start, count; //printf("scanAndMergeDir: %s %s %s\n", ap.path.string(), rootDir, dirName); pContents = new SortedVector<AssetDir::FileInfo>; /* * Get the basic partial path and find it in the cache. That's * the start point for the search. */ path = createPathNameLocked(ap, rootDir); String8 path = createPathNameLocked(ap, rootDir); if (dirName[0] != '\0') path.appendPath(dirName); start = mCache.indexOf(path); if (start == NAME_NOT_FOUND) { //printf("+++ not found in cache: dir '%s'\n", (const char*) path); delete pContents; return false; } /* * The match string looks like "common/default/default/foo/bar/". * The '/' on the end ensures that we don't match on the directory * itself or on ".../foo/barfy/". */ path.append("/"); count = mCache.size(); /* * Pick out the stuff in the current dir by examining the pathname. * It needs to match the partial pathname prefix, and not have a '/' * (fssep) anywhere after the prefix. */ for (i = start+1; i < count; i++) { if (mCache[i].getFileName().length() > path.length() && strncmp(mCache[i].getFileName().string(), path.string(), path.length()) == 0) { const char* name = mCache[i].getFileName().string(); // XXX THIS IS BROKEN! Looks like we need to store the full // path prefix separately from the file path. if (strchr(name + path.length(), '/') == NULL) { /* grab it, reducing path to just the filename component */ AssetDir::FileInfo tmp = mCache[i]; tmp.setFileName(tmp.getFileName().getPathLeaf()); pContents->add(tmp); } } else { /* no longer in the dir or its subdirs */ break; } } } else { path = createPathNameLocked(ap, rootDir); if (dirName[0] != '\0') path.appendPath(dirName); pContents = scanDirLocked(path); SortedVector<AssetDir::FileInfo>* pContents = scanDirLocked(path); if (pContents == NULL) return false; } // if we wanted to do an incremental cache fill, we would do it here Loading Loading @@ -1641,153 +1369,6 @@ void AssetManager::mergeInfoLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo #endif } /* * Load all files into the file name cache. We want to do this across * all combinations of { appname, locale, vendor }, performing a recursive * directory traversal. * * This is not the most efficient data structure. Also, gathering the * information as we needed it (file-by-file or directory-by-directory) * would be faster. However, on the actual device, 99% of the files will * live in Zip archives, so this list will be very small. The trouble * is that we have to check the "loose" files first, so it's important * that we don't beat the filesystem silly looking for files that aren't * there. * * Note on thread safety: this is the only function that causes updates * to mCache, and anybody who tries to use it will call here if !mCacheValid, * so we need to employ a mutex here. */ void AssetManager::loadFileNameCacheLocked(void) { assert(!mCacheValid); assert(mCache.size() == 0); #ifdef DO_TIMINGS // need to link against -lrt for this now DurationTimer timer; timer.start(); #endif fncScanLocked(&mCache, ""); #ifdef DO_TIMINGS timer.stop(); ALOGD("Cache scan took %.3fms\n", timer.durationUsecs() / 1000.0); #endif #if 0 int i; printf("CACHED FILE LIST (%d entries):\n", mCache.size()); for (i = 0; i < (int) mCache.size(); i++) { printf(" %d: (%d) '%s'\n", i, mCache.itemAt(i).getFileType(), (const char*) mCache.itemAt(i).getFileName()); } #endif mCacheValid = true; } /* * Scan up to 8 versions of the specified directory. */ void AssetManager::fncScanLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo, const char* dirName) { size_t i = mAssetPaths.size(); while (i > 0) { i--; const asset_path& ap = mAssetPaths.itemAt(i); fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, NULL, dirName); if (mLocale != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, NULL, dirName); if (mVendor != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, NULL, mVendor, dirName); if (mLocale != NULL && mVendor != NULL) fncScanAndMergeDirLocked(pMergedInfo, ap, mLocale, mVendor, dirName); } } /* * Recursively scan this directory and all subdirs. * * This is similar to scanAndMergeDir, but we don't remove the .EXCLUDE * files, and we prepend the extended partial path to the filenames. */ bool AssetManager::fncScanAndMergeDirLocked( SortedVector<AssetDir::FileInfo>* pMergedInfo, const asset_path& ap, const char* locale, const char* vendor, const char* dirName) { SortedVector<AssetDir::FileInfo>* pContents; String8 partialPath; String8 fullPath; // XXX This is broken -- the filename cache needs to hold the base // asset path separately from its filename. partialPath = createPathNameLocked(ap, locale, vendor); if (dirName[0] != '\0') { partialPath.appendPath(dirName); } fullPath = partialPath; pContents = scanDirLocked(fullPath); if (pContents == NULL) { return false; // directory did not exist } /* * Scan all subdirectories of the current dir, merging what we find * into "pMergedInfo". */ for (int i = 0; i < (int) pContents->size(); i++) { if (pContents->itemAt(i).getFileType() == kFileTypeDirectory) { String8 subdir(dirName); subdir.appendPath(pContents->itemAt(i).getFileName()); fncScanAndMergeDirLocked(pMergedInfo, ap, locale, vendor, subdir.string()); } } /* * To be consistent, we want entries for the root directory. If * we're the root, add one now. */ if (dirName[0] == '\0') { AssetDir::FileInfo tmpInfo; tmpInfo.set(String8(""), kFileTypeDirectory); tmpInfo.setSourceName(createPathNameLocked(ap, locale, vendor)); pContents->add(tmpInfo); } /* * We want to prepend the extended partial path to every entry in * "pContents". It's the same value for each entry, so this will * not change the sorting order of the vector contents. */ for (int i = 0; i < (int) pContents->size(); i++) { const AssetDir::FileInfo& info = pContents->itemAt(i); pContents->editItemAt(i).setFileName(partialPath.appendPathCopy(info.getFileName())); } mergeInfoLocked(pMergedInfo, pContents); delete pContents; return true; } /* * Trash the cache. */ void AssetManager::purgeFileNameCacheLocked(void) { mCacheValid = false; mCache.clear(); } /* * =========================================================================== * AssetManager::SharedZip Loading
tools/aapt/Command.cpp +1 −1 Original line number Diff line number Diff line Loading @@ -1281,7 +1281,7 @@ int doDump(Bundle* bundle) const size_t NL = locales.size(); for (size_t i=0; i<NL; i++) { const char* localeStr = locales[i].string(); assets.setLocale(localeStr != NULL ? localeStr : ""); assets.setConfiguration(config, localeStr != NULL ? localeStr : ""); String8 llabel = AaptXml::getResolvedAttribute(res, tree, LABEL_ATTR, &error); if (llabel != "") { Loading