am 578087e3: Merge "New command line tool \'idmap\'" (0cd115e1) · Commits · e / os / android_frameworks_base

include/androidfw/AssetManager.h

+8 −0

Original line number	Diff line number	Diff line
		@@ -69,6 +69,7 @@ struct ResTable_config;
		*/
		class AssetManager : public AAssetManager {
		public:
		static const char* RESOURCES_FILENAME;
		typedef enum CacheMode {
		CACHE_UNKNOWN = 0,
		CACHE_OFF, // don't try to cache file locations
		@@ -218,6 +219,13 @@ public:
		*/
		void getLocales(Vector<String8>* locales) const;

		/**
		* Generate idmap data to translate resources IDs between a package and a
		* corresponding overlay package.
		*/
		bool createIdmap(const char* targetApkPath, const char* overlayApkPath,
		uint32_t targetCrc, uint32_t overlayCrc, uint32_t** outData, uint32_t* outSize);

		private:
		struct asset_path
		{

+23 −2

Original line number	Diff line number	Diff line
		@@ -1545,9 +1545,19 @@ public:
		// Return value: on success: NO_ERROR; caller is responsible for free-ing
		// outData (using free(3)). On failure, any status_t value other than
		// NO_ERROR; the caller should not free outData.
		status_t createIdmap(const ResTable& overlay, uint32_t originalCrc, uint32_t overlayCrc,
		status_t createIdmap(const ResTable& overlay, uint32_t targetCrc, uint32_t overlayCrc,
		void** outData, size_t* outSize) const;

		status_t createIdmap(const ResTable& overlay,
		uint32_t targetCrc, uint32_t overlayCrc,
		const char* targetPath, const char* overlayPath,
		void** outData, uint32_t* outSize) const
		{
		(void)targetPath;
		(void)overlayPath;
		return createIdmap(overlay, targetCrc, overlayCrc, outData, outSize);
		}

		enum {
		IDMAP_HEADER_SIZE_BYTES = 3 * sizeof(uint32_t),
		};
		@@ -1556,7 +1566,18 @@ public:
		// This function only requires the idmap header (the first
		// IDMAP_HEADER_SIZE_BYTES) bytes of an idmap file.
		static bool getIdmapInfo(const void* idmap, size_t size,
		uint32_t* pOriginalCrc, uint32_t* pOverlayCrc);
		uint32_t* pTargetCrc, uint32_t* pOverlayCrc);

		static bool getIdmapInfo(const void* idmap, size_t size,
		uint32_t* pTargetCrc, uint32_t* pOverlayCrc,
		String8* pTargetPath, String8* pOverlayPath)
		{
		if (*pTargetPath)
		*pTargetPath = String8();
		if (*pOverlayPath)
		*pOverlayPath = String8();
		return getIdmapInfo(idmap, size, pTargetCrc, pOverlayCrc);
		}

		void print(bool inclValues) const;
		static String8 normalizeForOutput(const char* input);

+25 −0

Original line number	Diff line number	Diff line
		@@ -83,6 +83,8 @@ static Asset* const kExcludedAsset = (Asset*) 0xd000000d;

		static volatile int32_t gCount = 0;

		const char* AssetManager::RESOURCES_FILENAME = "resources.arsc";

		namespace {
		// Transform string /a/b/c.apk to /data/resource-cache/a@b@c.apk@idmap
		String8 idmapPathForPackagePath(const String8& pkgPath)
		@@ -239,6 +241,29 @@ bool AssetManager::addAssetPath(const String8& path, int32_t* cookie)
		return true;
		}

		bool AssetManager::createIdmap(const char* targetApkPath, const char* overlayApkPath,
		uint32_t targetCrc, uint32_t overlayCrc, uint32_t** outData, uint32_t* outSize)
		{
		AutoMutex _l(mLock);
		const String8 paths[2] = { String8(targetApkPath), String8(overlayApkPath) };
		ResTable tables[2];

		for (int i = 0; i < 2; ++i) {
		asset_path ap;
		ap.type = kFileTypeRegular;
		ap.path = paths[i];
		Asset* ass = openNonAssetInPathLocked("resources.arsc", Asset::ACCESS_BUFFER, ap);
		if (ass == NULL) {
		ALOGW("failed to find resources.arsc in %s\n", ap.path.string());
		return false;
		}
		tables[i].add(ass, (void*)1, false);
		}

		return tables[0].createIdmap(tables[1], targetCrc, overlayCrc,
		targetApkPath, overlayApkPath, (void**)outData, outSize) == NO_ERROR;
		}

		bool AssetManager::isIdmapStaleLocked(const String8& originalPath, const String8& overlayPath,
		const String8& idmapPath)
		{

+1 −1

Original line number	Diff line number	Diff line
		@@ -5368,7 +5368,7 @@ status_t ResTable::createIdmap(const ResTable& overlay, uint32_t originalCrc, ui
		\| (0x00ff0000 & ((typeIndex+1)<<16))
		\| (0x0000ffff & (entryIndex));
		resource_name resName;
		if (!this->getResourceName(resID, true, &resName)) {
		if (!this->getResourceName(resID, false, &resName)) {
		ALOGW("idmap: resource 0x%08x has spec but lacks values, skipping\n", resID);
		// add dummy value, or trimming leading/trailing zeroes later will fail
		vector.push(0);