Merge "Re-unite sources with their headers"

am: e43444a00b

Change-Id: I8f3ef6a1ddcf78d28f7444b6e83c552b8305fd8c

15 files changed, 3980 insertions, 0 deletions

diff --git a/libs/androidfw/include/androidfw/Asset.h b/libs/androidfw/include/androidfw/Asset.h
new file mode 100644
index 000000000000..36efbe5a48e9
--- /dev/null
+++ b/libs/androidfw/include/androidfw/Asset.h
@@ -0,0 +1,321 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Class providing access to a read-only asset.  Asset objects are NOT
+// thread-safe, and should not be shared across threads.
+//
+#ifndef __LIBS_ASSET_H
+#define __LIBS_ASSET_H
+
+#include <stdio.h>
+#include <sys/types.h>
+
+#include <utils/Compat.h>
+#include <utils/Errors.h>
+#include <utils/FileMap.h>
+#include <utils/String8.h>
+
+namespace android {
+
+/*
+ * Instances of this class provide read-only operations on a byte stream.
+ *
+ * Access may be optimized for streaming, random, or whole buffer modes.  All
+ * operations are supported regardless of how the file was opened, but some
+ * things will be less efficient.  [pass that in??]
+ *
+ * "Asset" is the base class for all types of assets.  The classes below
+ * provide most of the implementation.  The AssetManager uses one of the
+ * static "create" functions defined here to create a new instance.
+ */
+class Asset {
+public:
+    virtual ~Asset(void);
+
+    static int32_t getGlobalCount();
+    static String8 getAssetAllocations();
+
+    /* used when opening an asset */
+    typedef enum AccessMode {
+        ACCESS_UNKNOWN = 0,
+
+        /* read chunks, and seek forward and backward */
+        ACCESS_RANDOM,
+
+        /* read sequentially, with an occasional forward seek */
+        ACCESS_STREAMING,
+
+        /* caller plans to ask for a read-only buffer with all data */
+        ACCESS_BUFFER,
+    } AccessMode;
+
+    /*
+     * Read data from the current offset.  Returns the actual number of
+     * bytes read, 0 on EOF, or -1 on error.
+     */
+    virtual ssize_t read(void* buf, size_t count) = 0;
+
+    /*
+     * Seek to the specified offset.  "whence" uses the same values as
+     * lseek/fseek.  Returns the new position on success, or (off64_t) -1
+     * on failure.
+     */
+    virtual off64_t seek(off64_t offset, int whence) = 0;
+
+    /*
+     * Close the asset, freeing all associated resources.
+     */
+    virtual void close(void) = 0;
+
+    /*
+     * Get a pointer to a buffer with the entire contents of the file.
+     */
+    virtual const void* getBuffer(bool wordAligned) = 0;
+
+    /*
+     * Get the total amount of data that can be read.
+     */
+    virtual off64_t getLength(void) const = 0;
+
+    /*
+     * Get the total amount of data that can be read from the current position.
+     */
+    virtual off64_t getRemainingLength(void) const = 0;
+
+    /*
+     * Open a new file descriptor that can be used to read this asset.
+     * Returns -1 if you can not use the file descriptor (for example if the
+     * asset is compressed).
+     */
+    virtual int openFileDescriptor(off64_t* outStart, off64_t* outLength) const = 0;
+
+    /*
+     * Return whether this asset's buffer is allocated in RAM (not mmapped).
+     * Note: not virtual so it is safe to call even when being destroyed.
+     */
+    virtual bool isAllocated(void) const { return false; }
+
+    /*
+     * Get a string identifying the asset's source.  This might be a full
+     * path, it might be a colon-separated list of identifiers.
+     *
+     * This is NOT intended to be used for anything except debug output.
+     * DO NOT try to parse this or use it to open a file.
+     */
+    const char* getAssetSource(void) const { return mAssetSource.string(); }
+
+protected:
+    Asset(void);        // constructor; only invoked indirectly
+
+    /* handle common seek() housekeeping */
+    off64_t handleSeek(off64_t offset, int whence, off64_t curPosn, off64_t maxPosn);
+
+    /* set the asset source string */
+    void setAssetSource(const String8& path) { mAssetSource = path; }
+
+    AccessMode getAccessMode(void) const { return mAccessMode; }
+
+private:
+    /* these operations are not implemented */
+    Asset(const Asset& src);
+    Asset& operator=(const Asset& src);
+
+    /* AssetManager needs access to our "create" functions */
+    friend class AssetManager;
+
+    /*
+     * Create the asset from a named file on disk.
+     */
+    static Asset* createFromFile(const char* fileName, AccessMode mode);
+
+    /*
+     * Create the asset from a named, compressed file on disk (e.g. ".gz").
+     */
+    static Asset* createFromCompressedFile(const char* fileName,
+        AccessMode mode);
+
+#if 0
+    /*
+     * Create the asset from a segment of an open file.  This will fail
+     * if "offset" and "length" don't fit within the bounds of the file.
+     *
+     * The asset takes ownership of the file descriptor.
+     */
+    static Asset* createFromFileSegment(int fd, off64_t offset, size_t length,
+        AccessMode mode);
+
+    /*
+     * Create from compressed data.  "fd" should be seeked to the start of
+     * the compressed data.  This could be inside a gzip file or part of a
+     * Zip archive.
+     *
+     * The asset takes ownership of the file descriptor.
+     *
+     * This may not verify the validity of the compressed data until first
+     * use.
+     */
+    static Asset* createFromCompressedData(int fd, off64_t offset,
+        int compressionMethod, size_t compressedLength,
+        size_t uncompressedLength, AccessMode mode);
+#endif
+
+    /*
+     * Create the asset from a memory-mapped file segment.
+     *
+     * The asset takes ownership of the FileMap.
+     */
+    static Asset* createFromUncompressedMap(FileMap* dataMap, AccessMode mode);
+
+    /*
+     * Create the asset from a memory-mapped file segment with compressed
+     * data.
+     *
+     * The asset takes ownership of the FileMap.
+     */
+    static Asset* createFromCompressedMap(FileMap* dataMap,
+        size_t uncompressedLen, AccessMode mode);
+
+
+    /*
+     * Create from a reference-counted chunk of shared memory.
+     */
+    // TODO
+
+    AccessMode  mAccessMode;        // how the asset was opened
+    String8    mAssetSource;       // debug string
+
+    Asset*		mNext;				// linked list.
+    Asset*		mPrev;
+};
+
+
+/*
+ * ===========================================================================
+ *
+ * Innards follow.  Do not use these classes directly.
+ */
+
+/*
+ * An asset based on an uncompressed file on disk.  It may encompass the
+ * entire file or just a piece of it.  Access is through fread/fseek.
+ */
+class _FileAsset : public Asset {
+public:
+    _FileAsset(void);
+    virtual ~_FileAsset(void);
+
+    /*
+     * Use a piece of an already-open file.
+     *
+     * On success, the object takes ownership of "fd".
+     */
+    status_t openChunk(const char* fileName, int fd, off64_t offset, size_t length);
+
+    /*
+     * Use a memory-mapped region.
+     *
+     * On success, the object takes ownership of "dataMap".
+     */
+    status_t openChunk(FileMap* dataMap);
+
+    /*
+     * Standard Asset interfaces.
+     */
+    virtual ssize_t read(void* buf, size_t count);
+    virtual off64_t seek(off64_t offset, int whence);
+    virtual void close(void);
+    virtual const void* getBuffer(bool wordAligned);
+    virtual off64_t getLength(void) const { return mLength; }
+    virtual off64_t getRemainingLength(void) const { return mLength-mOffset; }
+    virtual int openFileDescriptor(off64_t* outStart, off64_t* outLength) const;
+    virtual bool isAllocated(void) const { return mBuf != NULL; }
+
+private:
+    off64_t     mStart;         // absolute file offset of start of chunk
+    off64_t     mLength;        // length of the chunk
+    off64_t     mOffset;        // current local offset, 0 == mStart
+    FILE*       mFp;            // for read/seek
+    char*       mFileName;      // for opening
+
+    /*
+     * To support getBuffer() we either need to read the entire thing into
+     * a buffer or memory-map it.  For small files it's probably best to
+     * just read them in.
+     */
+    enum { kReadVsMapThreshold = 4096 };
+
+    FileMap*    mMap;           // for memory map
+    unsigned char* mBuf;        // for read
+
+    const void* ensureAlignment(FileMap* map);
+};
+
+
+/*
+ * An asset based on compressed data in a file.
+ */
+class _CompressedAsset : public Asset {
+public:
+    _CompressedAsset(void);
+    virtual ~_CompressedAsset(void);
+
+    /*
+     * Use a piece of an already-open file.
+     *
+     * On success, the object takes ownership of "fd".
+     */
+    status_t openChunk(int fd, off64_t offset, int compressionMethod,
+        size_t uncompressedLen, size_t compressedLen);
+
+    /*
+     * Use a memory-mapped region.
+     *
+     * On success, the object takes ownership of "fd".
+     */
+    status_t openChunk(FileMap* dataMap, size_t uncompressedLen);
+
+    /*
+     * Standard Asset interfaces.
+     */
+    virtual ssize_t read(void* buf, size_t count);
+    virtual off64_t seek(off64_t offset, int whence);
+    virtual void close(void);
+    virtual const void* getBuffer(bool wordAligned);
+    virtual off64_t getLength(void) const { return mUncompressedLen; }
+    virtual off64_t getRemainingLength(void) const { return mUncompressedLen-mOffset; }
+    virtual int openFileDescriptor(off64_t* /* outStart */, off64_t* /* outLength */) const { return -1; }
+    virtual bool isAllocated(void) const { return mBuf != NULL; }
+
+private:
+    off64_t     mStart;         // offset to start of compressed data
+    off64_t     mCompressedLen; // length of the compressed data
+    off64_t     mUncompressedLen; // length of the uncompressed data
+    off64_t     mOffset;        // current offset, 0 == start of uncomp data
+
+    FileMap*    mMap;           // for memory-mapped input
+    int         mFd;            // for file input
+
+    class StreamingZipInflater* mZipInflater;  // for streaming large compressed assets
+
+    unsigned char*  mBuf;       // for getBuffer()
+};
+
+// need: shared mmap version?
+
+}; // namespace android
+
+#endif // __LIBS_ASSET_H
diff --git a/libs/androidfw/include/androidfw/AssetDir.h b/libs/androidfw/include/androidfw/AssetDir.h
new file mode 100644
index 000000000000..bd89d7d34b97
--- /dev/null
+++ b/libs/androidfw/include/androidfw/AssetDir.h
@@ -0,0 +1,145 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Access a chunk of the asset hierarchy as if it were a single directory.
+//
+#ifndef __LIBS_ASSETDIR_H
+#define __LIBS_ASSETDIR_H
+
+#include <androidfw/misc.h>
+#include <utils/String8.h>
+#include <utils/Vector.h>
+#include <utils/SortedVector.h>
+#include <sys/types.h>
+
+namespace android {
+
+/*
+ * This provides vector-style access to a directory.  We do this rather
+ * than modeling opendir/readdir access because it's simpler and the
+ * nature of the operation requires us to have all data on hand anyway.
+ *
+ * The list of files will be sorted in ascending order by ASCII value.
+ *
+ * The contents are populated by our friend, the AssetManager.
+ */
+class AssetDir {
+public:
+    AssetDir(void)
+        : mFileInfo(NULL)
+        {}
+    virtual ~AssetDir(void) {
+        delete mFileInfo;
+    }
+
+    /*
+     * Vector-style access.
+     */
+    size_t getFileCount(void) { return mFileInfo->size(); }
+    const String8& getFileName(int idx) {
+        return mFileInfo->itemAt(idx).getFileName();
+    }
+    const String8& getSourceName(int idx) {
+        return mFileInfo->itemAt(idx).getSourceName();
+    }
+
+    /*
+     * Get the type of a file (usually regular or directory).
+     */
+    FileType getFileType(int idx) {
+        return mFileInfo->itemAt(idx).getFileType();
+    }
+
+private:
+    /* these operations are not implemented */
+    AssetDir(const AssetDir& src);
+    const AssetDir& operator=(const AssetDir& src);
+
+    friend class AssetManager;
+
+    /*
+     * This holds information about files in the asset hierarchy.
+     */
+    class FileInfo {
+    public:
+        FileInfo(void) {}
+        FileInfo(const String8& path)      // useful for e.g. svect.indexOf
+            : mFileName(path), mFileType(kFileTypeUnknown)
+            {}
+        ~FileInfo(void) {}
+        FileInfo(const FileInfo& src) {
+            copyMembers(src);
+        }
+        const FileInfo& operator= (const FileInfo& src) {
+            if (this != &src)
+                copyMembers(src);
+            return *this;
+        }
+
+        void copyMembers(const FileInfo& src) {
+            mFileName = src.mFileName;
+            mFileType = src.mFileType;
+            mSourceName = src.mSourceName;
+        }
+
+        /* need this for SortedVector; must compare only on file name */
+        bool operator< (const FileInfo& rhs) const {
+            return mFileName < rhs.mFileName;
+        }
+
+        /* used by AssetManager */
+        bool operator== (const FileInfo& rhs) const {
+            return mFileName == rhs.mFileName;
+        }
+
+        void set(const String8& path, FileType type) {
+            mFileName = path;
+            mFileType = type;
+        }
+
+        const String8& getFileName(void) const { return mFileName; }
+        void setFileName(const String8& path) { mFileName = path; }
+
+        FileType getFileType(void) const { return mFileType; }
+        void setFileType(FileType type) { mFileType = type; }
+
+        const String8& getSourceName(void) const { return mSourceName; }
+        void setSourceName(const String8& path) { mSourceName = path; }
+
+        /*
+         * Handy utility for finding an entry in a sorted vector of FileInfo.
+         * Returns the index of the matching entry, or -1 if none found.
+         */
+        static int findEntry(const SortedVector<FileInfo>* pVector,
+            const String8& fileName);
+
+    private:
+        String8    mFileName;      // filename only
+        FileType    mFileType;      // regular, directory, etc
+
+        String8    mSourceName;    // currently debug-only
+    };
+
+    /* AssetManager uses this to initialize us */
+    void setFileList(SortedVector<FileInfo>* list) { mFileInfo = list; }
+
+    SortedVector<FileInfo>* mFileInfo;
+};
+
+}; // namespace android
+
+#endif // __LIBS_ASSETDIR_H
diff --git a/libs/androidfw/include/androidfw/AssetManager.h b/libs/androidfw/include/androidfw/AssetManager.h
new file mode 100644
index 000000000000..b39dccf44a8b
--- /dev/null
+++ b/libs/androidfw/include/androidfw/AssetManager.h
@@ -0,0 +1,396 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Asset management class.  AssetManager objects are thread-safe.
+//
+#ifndef __LIBS_ASSETMANAGER_H
+#define __LIBS_ASSETMANAGER_H
+
+#include <androidfw/Asset.h>
+#include <androidfw/AssetDir.h>
+#include <androidfw/ZipFileRO.h>
+#include <utils/KeyedVector.h>
+#include <utils/SortedVector.h>
+#include <utils/String16.h>
+#include <utils/String8.h>
+#include <utils/threads.h>
+#include <utils/Vector.h>
+
+/*
+ * Native-app access is via the opaque typedef struct AAssetManager in the C namespace.
+ */
+struct AAssetManager { };
+
+/*
+ * Now the proper C++ android-namespace definitions
+ */
+
+namespace android {
+
+class Asset;        // fwd decl for things that include Asset.h first
+class ResTable;
+struct ResTable_config;
+
+/*
+ * Every application that uses assets needs one instance of this.  A
+ * 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 asset hierarchy may be examined like a filesystem, using
+ * AssetDir objects to peruse a single directory.
+ */
+class AssetManager : public AAssetManager {
+public:
+    static const char* RESOURCES_FILENAME;
+    static const char* IDMAP_BIN;
+    static const char* OVERLAY_DIR;
+    /*
+     * If OVERLAY_SKU_DIR_PROPERTY is set, search for runtime resource overlay
+     * APKs in OVERLAY_DIR/<value of OVERLAY_SKU_DIR_PROPERTY> rather than in
+     * OVERLAY_DIR.
+     */
+    static const char* OVERLAY_SKU_DIR_PROPERTY;
+    static const char* TARGET_PACKAGE_NAME;
+    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);
+    virtual ~AssetManager(void);
+
+    static int32_t getGlobalCount();
+
+    /*
+     * Add a new source for assets.  This can be called multiple times to
+     * look in multiple places for assets.  It can be either a directory (for
+     * finding assets as raw files on the disk) or a ZIP file.  This newly
+     * added asset path will be examined first when searching for assets,
+     * before any that were previously added, the assets are added as shared
+     * library if appAsLib is true.
+     *
+     * Returns "true" on success, "false" on failure.  If 'cookie' is non-NULL,
+     * then on success, *cookie is set to the value corresponding to the
+     * newly-added asset source.
+     */
+    bool addAssetPath(const String8& path, int32_t* cookie,
+        bool appAsLib=false, bool isSystemAsset=false);
+    bool addOverlayPath(const String8& path, int32_t* cookie);
+
+    /*
+     * Convenience for adding the standard system assets.  Uses the
+     * ANDROID_ROOT environment variable to find them.
+     */
+    bool addDefaultAssets();
+
+    /*
+     * Iterate over the asset paths in this manager.  (Previously
+     * added via addAssetPath() and addDefaultAssets().)  On first call,
+     * 'cookie' must be 0, resulting in the first cookie being returned.
+     * Each next cookie will be returned there-after, until -1 indicating
+     * the end has been reached.
+     */
+    int32_t nextAssetPath(const int32_t cookie) const;
+
+    /*
+     * Return an asset path in the manager.  'which' must be between 0 and
+     * countAssetPaths().
+     */
+    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.
+     */
+    void setConfiguration(const ResTable_config& config, const char* locale = NULL);
+
+    void getConfiguration(ResTable_config* outConfig) const;
+
+    typedef Asset::AccessMode AccessMode;       // typing shortcut
+
+    /*
+     * Open an asset.
+     *
+     * This will search through locale-specific and vendor-specific
+     * directories and packages to find the file.
+     *
+     * The object returned does not depend on the AssetManager.  It should
+     * be freed by calling Asset::close().
+     */
+    Asset* open(const char* fileName, AccessMode mode);
+
+    /*
+     * Open a non-asset file as an asset.
+     *
+     * This is for opening files that are included in an asset package
+     * but aren't assets.  These sit outside the usual "locale/vendor"
+     * path hierarchy, and will not be seen by "AssetDir" or included
+     * in our filename cache.
+     */
+    Asset* openNonAsset(const char* fileName, AccessMode mode, int32_t* outCookie = NULL);
+
+    /*
+     * Explicit non-asset file.  The file explicitly named by the cookie (the
+     * resource set to look in) and fileName will be opened and returned.
+     */
+    Asset* openNonAsset(const int32_t cookie, const char* fileName, AccessMode mode);
+
+    /*
+     * Open a directory within the asset hierarchy.
+     *
+     * The contents of the directory are an amalgam of vendor-specific,
+     * locale-specific, and generic assets stored loosely or in asset
+     * packages.  Depending on the cache setting and previous accesses,
+     * this call may incur significant disk overhead.
+     *
+     * To open the top-level directory, pass in "".
+     */
+    AssetDir* openDir(const char* dirName);
+
+    /*
+     * Open a directory within a particular path of the asset manager.
+     *
+     * The contents of the directory are an amalgam of vendor-specific,
+     * locale-specific, and generic assets stored loosely or in asset
+     * packages.  Depending on the cache setting and previous accesses,
+     * this call may incur significant disk overhead.
+     *
+     * To open the top-level directory, pass in "".
+     */
+    AssetDir* openNonAssetDir(const int32_t cookie, const char* dirName);
+
+    /*
+     * Get the type of a file in the asset hierarchy.  They will either
+     * be "regular" or "directory".  [Currently only works for "regular".]
+     *
+     * Can also be used as a quick test for existence of a file.
+     */
+    FileType getFileType(const char* fileName);
+
+    /*
+     * Return the complete resource table to find things in the package.
+     */
+    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
+     * is returned, you will need to create a new AssetManager to get
+     * the current data.
+     */
+    bool isUpToDate();
+
+    /**
+     * Get the known locales for this asset manager object.
+     */
+    void getLocales(Vector<String8>* locales, bool includeSystemLocales=true) 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, size_t* outSize);
+
+private:
+    struct asset_path
+    {
+        asset_path() : path(""), type(kFileTypeRegular), idmap(""),
+                       isSystemOverlay(false), isSystemAsset(false) {}
+        String8 path;
+        FileType type;
+        String8 idmap;
+        bool isSystemOverlay;
+        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);
+    String8 createZipSourceNameLocked(const String8& zipFileName,
+        const String8& dirName, const String8& fileName);
+
+    ZipFileRO* getZipFileLocked(const asset_path& path);
+    Asset* openAssetFromFileLocked(const String8& fileName, AccessMode mode);
+    Asset* openAssetFromZipLocked(const ZipFileRO* pZipFile,
+        const ZipEntryRO entry, AccessMode mode, const String8& entryName);
+
+    bool scanAndMergeDirLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo,
+        const asset_path& path, const char* rootDir, const char* dirName);
+    SortedVector<AssetDir::FileInfo>* scanDirLocked(const String8& path);
+    bool scanAndMergeZipLocked(SortedVector<AssetDir::FileInfo>* pMergedInfo,
+        const asset_path& path, const char* rootDir, const char* dirName);
+    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;
+    bool appendPathToResTable(const asset_path& ap, bool appAsLib=false) const;
+
+    Asset* openIdmapLocked(const struct asset_path& ap) const;
+
+    void addSystemOverlays(const char* pathOverlaysList, const String8& targetPackagePath,
+            ResTable* sharedRes, size_t offset) const;
+
+    class SharedZip : public RefBase {
+    public:
+        static sp<SharedZip> get(const String8& path, bool createIfNotPresent = true);
+
+        ZipFileRO* getZip();
+
+        Asset* getResourceTableAsset();
+        Asset* setResourceTableAsset(Asset* asset);
+
+        ResTable* getResourceTable();
+        ResTable* setResourceTable(ResTable* res);
+
+        bool isUpToDate();
+
+        void addOverlay(const asset_path& ap);
+        bool getOverlay(size_t idx, asset_path* out) const;
+
+    protected:
+        ~SharedZip();
+
+    private:
+        SharedZip(const String8& path, time_t modWhen);
+        SharedZip(); // <-- not implemented
+
+        String8 mPath;
+        ZipFileRO* mZipFile;
+        time_t mModWhen;
+
+        Asset* mResourceTableAsset;
+        ResTable* mResourceTable;
+
+        Vector<asset_path> mOverlays;
+
+        static Mutex gLock;
+        static DefaultKeyedVector<String8, wp<SharedZip> > gOpen;
+    };
+
+    /*
+     * Manage a set of Zip files.  For each file we need a pointer to the
+     * ZipFile and a time_t with the file's modification date.
+     *
+     * We currently only have two zip files (current app, "common" app).
+     * (This was originally written for 8, based on app/locale/vendor.)
+     */
+    class ZipSet {
+    public:
+        ZipSet(void);
+        ~ZipSet(void);
+
+        /*
+         * Return a ZipFileRO structure for a ZipFileRO with the specified
+         * parameters.
+         */
+        ZipFileRO* getZip(const String8& path);
+
+        Asset* getZipResourceTableAsset(const String8& path);
+        Asset* setZipResourceTableAsset(const String8& path, Asset* asset);
+
+        ResTable* getZipResourceTable(const String8& path);
+        ResTable* setZipResourceTable(const String8& path, ResTable* res);
+
+        // generate path, e.g. "common/en-US-noogle.zip"
+        static String8 getPathName(const char* path);
+
+        bool isUpToDate();
+
+        void addOverlay(const String8& path, const asset_path& overlay);
+        bool getOverlay(const String8& path, size_t idx, asset_path* out) const;
+
+    private:
+        void closeZip(int idx);
+
+        int getIndex(const String8& zip) const;
+        mutable Vector<String8> mZipPath;
+        mutable Vector<sp<SharedZip> > mZipFile;
+    };
+
+    // Protect all internal state.
+    mutable Mutex   mLock;
+
+    ZipSet          mZipSet;
+
+    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
+
+#endif // __LIBS_ASSETMANAGER_H
diff --git a/libs/androidfw/include/androidfw/BackupHelpers.h b/libs/androidfw/include/androidfw/BackupHelpers.h
new file mode 100644
index 000000000000..fc1ad4717c16
--- /dev/null
+++ b/libs/androidfw/include/androidfw/BackupHelpers.h
@@ -0,0 +1,172 @@
+/*
+ * Copyright (C) 2009 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _UTILS_BACKUP_HELPERS_H
+#define _UTILS_BACKUP_HELPERS_H
+
+#include <sys/stat.h>
+
+#include <utils/Errors.h>
+#include <utils/String8.h>
+#include <utils/KeyedVector.h>
+
+namespace android {
+
+enum {
+    BACKUP_HEADER_ENTITY_V1 = 0x61746144, // Data (little endian)
+};
+
+typedef struct {
+    int type; // BACKUP_HEADER_ENTITY_V1
+    int keyLen; // length of the key name, not including the null terminator
+    int dataSize; // size of the data, not including the padding, -1 means delete
+} entity_header_v1;
+
+struct SnapshotHeader {
+    int magic0;
+    int fileCount;
+    int magic1;
+    int totalSize;
+};
+
+struct FileState {
+    int modTime_sec;
+    int modTime_nsec;
+    int mode;
+    int size;
+    int crc32;
+    int nameLen;
+};
+
+struct FileRec {
+    String8 file;
+    bool deleted;
+    FileState s;
+};
+
+
+/**
+ * Writes the data.
+ *
+ * If an error occurs, it poisons this object and all write calls will fail
+ * with the error that occurred.
+ */
+class BackupDataWriter
+{
+public:
+    BackupDataWriter(int fd);
+    // does not close fd
+    ~BackupDataWriter();
+
+    status_t WriteEntityHeader(const String8& key, size_t dataSize);
+
+    /* Note: WriteEntityData will write arbitrary data into the file without
+     * validation or a previously-supplied header.  The full backup implementation
+     * uses it this way to generate a controlled binary stream that is not
+     * entity-structured.  If the implementation here is changed, either this
+     * use case must remain valid, or the full backup implementation should be
+     * adjusted to use some other appropriate mechanism.
+     */
+    status_t WriteEntityData(const void* data, size_t size);
+
+    void SetKeyPrefix(const String8& keyPrefix);
+
+private:
+    explicit BackupDataWriter();
+    status_t write_padding_for(int n);
+    
+    int m_fd;
+    status_t m_status;
+    ssize_t m_pos;
+    int m_entityCount;
+    String8 m_keyPrefix;
+};
+
+/**
+ * Reads the data.
+ *
+ * If an error occurs, it poisons this object and all write calls will fail
+ * with the error that occurred.
+ */
+class BackupDataReader
+{
+public:
+    BackupDataReader(int fd);
+    // does not close fd
+    ~BackupDataReader();
+
+    status_t Status();
+    status_t ReadNextHeader(bool* done, int* type);
+
+    bool HasEntities();
+    status_t ReadEntityHeader(String8* key, size_t* dataSize);
+    status_t SkipEntityData(); // must be called with the pointer at the beginning of the data.
+    ssize_t ReadEntityData(void* data, size_t size);
+
+private:
+    explicit BackupDataReader();
+    status_t skip_padding();
+    
+    int m_fd;
+    bool m_done;
+    status_t m_status;
+    ssize_t m_pos;
+    ssize_t m_dataEndPos;
+    int m_entityCount;
+    union {
+        int type;
+        entity_header_v1 entity;
+    } m_header;
+    String8 m_key;
+};
+
+int back_up_files(int oldSnapshotFD, BackupDataWriter* dataStream, int newSnapshotFD,
+        char const* const* files, char const* const *keys, int fileCount);
+
+int write_tarfile(const String8& packageName, const String8& domain,
+        const String8& rootPath, const String8& filePath, off_t* outSize,
+        BackupDataWriter* outputStream);
+
+class RestoreHelperBase
+{
+public:
+    RestoreHelperBase();
+    ~RestoreHelperBase();
+
+    status_t WriteFile(const String8& filename, BackupDataReader* in);
+    status_t WriteSnapshot(int fd);
+
+private:
+    void* m_buf;
+    bool m_loggedUnknownMetadata;
+    KeyedVector<String8,FileRec> m_files;
+};
+
+//#define TEST_BACKUP_HELPERS 1
+
+#if TEST_BACKUP_HELPERS
+int backup_helper_test_empty();
+int backup_helper_test_four();
+int backup_helper_test_files();
+int backup_helper_test_null_base();
+int backup_helper_test_missing_file();
+int backup_helper_test_data_writer();
+int backup_helper_test_data_reader();
+#endif
+
+} // namespace android
+
+#endif // _UTILS_BACKUP_HELPERS_H
diff --git a/libs/androidfw/include/androidfw/ByteBucketArray.h b/libs/androidfw/include/androidfw/ByteBucketArray.h
new file mode 100644
index 000000000000..87c6b128eca1
--- /dev/null
+++ b/libs/androidfw/include/androidfw/ByteBucketArray.h
@@ -0,0 +1,97 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __BYTE_BUCKET_ARRAY_H
+#define __BYTE_BUCKET_ARRAY_H
+
+#include <utils/Log.h>
+#include <stdint.h>
+#include <string.h>
+
+namespace android {
+
+/**
+ * Stores a sparsely populated array. Has a fixed size of 256
+ * (number of entries that a byte can represent).
+ */
+template<typename T>
+class ByteBucketArray {
+public:
+    ByteBucketArray() : mDefault() {
+        memset(mBuckets, 0, sizeof(mBuckets));
+    }
+
+    ~ByteBucketArray() {
+        for (size_t i = 0; i < NUM_BUCKETS; i++) {
+            if (mBuckets[i] != NULL) {
+                delete [] mBuckets[i];
+            }
+        }
+        memset(mBuckets, 0, sizeof(mBuckets));
+    }
+
+    inline size_t size() const {
+        return NUM_BUCKETS * BUCKET_SIZE;
+    }
+
+    inline const T& get(size_t index) const {
+        return (*this)[index];
+    }
+
+    const T& operator[](size_t index) const {
+        if (index >= size()) {
+            return mDefault;
+        }
+
+        uint8_t bucketIndex = static_cast<uint8_t>(index) >> 4;
+        T* bucket = mBuckets[bucketIndex];
+        if (bucket == NULL) {
+            return mDefault;
+        }
+        return bucket[0x0f & static_cast<uint8_t>(index)];
+    }
+
+    T& editItemAt(size_t index) {
+        ALOG_ASSERT(index < size(), "ByteBucketArray.getOrCreate(index=%u) with size=%u",
+                (uint32_t) index, (uint32_t) size());
+
+        uint8_t bucketIndex = static_cast<uint8_t>(index) >> 4;
+        T* bucket = mBuckets[bucketIndex];
+        if (bucket == NULL) {
+            bucket = mBuckets[bucketIndex] = new T[BUCKET_SIZE]();
+        }
+        return bucket[0x0f & static_cast<uint8_t>(index)];
+    }
+
+    bool set(size_t index, const T& value) {
+        if (index >= size()) {
+            return false;
+        }
+
+        editItemAt(index) = value;
+        return true;
+    }
+
+private:
+    enum { NUM_BUCKETS = 16, BUCKET_SIZE = 16 };
+
+    T*  mBuckets[NUM_BUCKETS];
+    T   mDefault;
+};
+
+} // namespace android
+
+#endif // __BYTE_BUCKET_ARRAY_H
diff --git a/libs/androidfw/include/androidfw/CursorWindow.h b/libs/androidfw/include/androidfw/CursorWindow.h
new file mode 100644
index 000000000000..8a2979a3756d
--- /dev/null
+++ b/libs/androidfw/include/androidfw/CursorWindow.h
@@ -0,0 +1,193 @@
+/*
+ * Copyright (C) 2006 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _ANDROID__DATABASE_WINDOW_H
+#define _ANDROID__DATABASE_WINDOW_H
+
+#include <cutils/log.h>
+#include <stddef.h>
+#include <stdint.h>
+
+#include <binder/Parcel.h>
+#include <utils/String8.h>
+
+#if LOG_NDEBUG
+
+#define IF_LOG_WINDOW() if (false)
+#define LOG_WINDOW(...)
+
+#else
+
+#define IF_LOG_WINDOW() IF_ALOG(LOG_DEBUG, "CursorWindow")
+#define LOG_WINDOW(...) ALOG(LOG_DEBUG, "CursorWindow", __VA_ARGS__)
+
+#endif
+
+namespace android {
+
+/**
+ * This class stores a set of rows from a database in a buffer. The begining of the
+ * window has first chunk of RowSlots, which are offsets to the row directory, followed by
+ * an offset to the next chunk in a linked-list of additional chunk of RowSlots in case
+ * the pre-allocated chunk isn't big enough to refer to all rows. Each row directory has a
+ * FieldSlot per column, which has the size, offset, and type of the data for that field.
+ * Note that the data types come from sqlite3.h.
+ *
+ * Strings are stored in UTF-8.
+ */
+class CursorWindow {
+    CursorWindow(const String8& name, int ashmemFd,
+            void* data, size_t size, bool readOnly);
+
+public:
+    /* Field types. */
+    enum {
+        FIELD_TYPE_NULL = 0,
+        FIELD_TYPE_INTEGER = 1,
+        FIELD_TYPE_FLOAT = 2,
+        FIELD_TYPE_STRING = 3,
+        FIELD_TYPE_BLOB = 4,
+    };
+
+    /* Opaque type that describes a field slot. */
+    struct FieldSlot {
+    private:
+        int32_t type;
+        union {
+            double d;
+            int64_t l;
+            struct {
+                uint32_t offset;
+                uint32_t size;
+            } buffer;
+        } data;
+
+        friend class CursorWindow;
+    } __attribute((packed));
+
+    ~CursorWindow();
+
+    static status_t create(const String8& name, size_t size, CursorWindow** outCursorWindow);
+    static status_t createFromParcel(Parcel* parcel, CursorWindow** outCursorWindow);
+
+    status_t writeToParcel(Parcel* parcel);
+
+    inline String8 name() { return mName; }
+    inline size_t size() { return mSize; }
+    inline size_t freeSpace() { return mSize - mHeader->freeOffset; }
+    inline uint32_t getNumRows() { return mHeader->numRows; }
+    inline uint32_t getNumColumns() { return mHeader->numColumns; }
+
+    status_t clear();
+    status_t setNumColumns(uint32_t numColumns);
+
+    /**
+     * Allocate a row slot and its directory.
+     * The row is initialized will null entries for each field.
+     */
+    status_t allocRow();
+    status_t freeLastRow();
+
+    status_t putBlob(uint32_t row, uint32_t column, const void* value, size_t size);
+    status_t putString(uint32_t row, uint32_t column, const char* value, size_t sizeIncludingNull);
+    status_t putLong(uint32_t row, uint32_t column, int64_t value);
+    status_t putDouble(uint32_t row, uint32_t column, double value);
+    status_t putNull(uint32_t row, uint32_t column);
+
+    /**
+     * Gets the field slot at the specified row and column.
+     * Returns null if the requested row or column is not in the window.
+     */
+    FieldSlot* getFieldSlot(uint32_t row, uint32_t column);
+
+    inline int32_t getFieldSlotType(FieldSlot* fieldSlot) {
+        return fieldSlot->type;
+    }
+
+    inline int64_t getFieldSlotValueLong(FieldSlot* fieldSlot) {
+        return fieldSlot->data.l;
+    }
+
+    inline double getFieldSlotValueDouble(FieldSlot* fieldSlot) {
+        return fieldSlot->data.d;
+    }
+
+    inline const char* getFieldSlotValueString(FieldSlot* fieldSlot,
+            size_t* outSizeIncludingNull) {
+        *outSizeIncludingNull = fieldSlot->data.buffer.size;
+        return static_cast<char*>(offsetToPtr(fieldSlot->data.buffer.offset));
+    }
+
+    inline const void* getFieldSlotValueBlob(FieldSlot* fieldSlot, size_t* outSize) {
+        *outSize = fieldSlot->data.buffer.size;
+        return offsetToPtr(fieldSlot->data.buffer.offset);
+    }
+
+private:
+    static const size_t ROW_SLOT_CHUNK_NUM_ROWS = 100;
+
+    struct Header {
+        // Offset of the lowest unused byte in the window.
+        uint32_t freeOffset;
+
+        // Offset of the first row slot chunk.
+        uint32_t firstChunkOffset;
+
+        uint32_t numRows;
+        uint32_t numColumns;
+    };
+
+    struct RowSlot {
+        uint32_t offset;
+    };
+
+    struct RowSlotChunk {
+        RowSlot slots[ROW_SLOT_CHUNK_NUM_ROWS];
+        uint32_t nextChunkOffset;
+    };
+
+    String8 mName;
+    int mAshmemFd;
+    void* mData;
+    size_t mSize;
+    bool mReadOnly;
+    Header* mHeader;
+
+    inline void* offsetToPtr(uint32_t offset) {
+        return static_cast<uint8_t*>(mData) + offset;
+    }
+
+    inline uint32_t offsetFromPtr(void* ptr) {
+        return static_cast<uint8_t*>(ptr) - static_cast<uint8_t*>(mData);
+    }
+
+    /**
+     * Allocate a portion of the window. Returns the offset
+     * of the allocation, or 0 if there isn't enough space.
+     * If aligned is true, the allocation gets 4 byte alignment.
+     */
+    uint32_t alloc(size_t size, bool aligned = false);
+
+    RowSlot* getRowSlot(uint32_t row);
+    RowSlot* allocRowSlot();
+
+    status_t putBlobOrString(uint32_t row, uint32_t column,
+            const void* value, size_t size, int32_t type);
+};
+
+}; // namespace android
+
+#endif
diff --git a/libs/androidfw/include/androidfw/DisplayEventDispatcher.h b/libs/androidfw/include/androidfw/DisplayEventDispatcher.h
new file mode 100644
index 000000000000..3ade2156589a
--- /dev/null
+++ b/libs/androidfw/include/androidfw/DisplayEventDispatcher.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <gui/DisplayEventReceiver.h>
+#include <utils/Log.h>
+#include <utils/Looper.h>
+
+namespace android {
+
+class DisplayEventDispatcher : public LooperCallback {
+public:
+    DisplayEventDispatcher(const sp<Looper>& looper);
+
+    status_t initialize();
+    void dispose();
+    status_t scheduleVsync();
+
+protected:
+    virtual ~DisplayEventDispatcher() = default;
+
+private:
+    sp<Looper> mLooper;
+    DisplayEventReceiver mReceiver;
+    bool mWaitingForVsync;
+
+    virtual void dispatchVsync(nsecs_t timestamp, int32_t id, uint32_t count) = 0;
+    virtual void dispatchHotplug(nsecs_t timestamp, int32_t id, bool connected) = 0;
+
+    virtual int handleEvent(int receiveFd, int events, void* data);
+    bool processPendingEvents(nsecs_t* outTimestamp, int32_t* id, uint32_t* outCount);
+};
+}
diff --git a/libs/androidfw/include/androidfw/LocaleData.h b/libs/androidfw/include/androidfw/LocaleData.h
new file mode 100644
index 000000000000..b14829d07f04
--- /dev/null
+++ b/libs/androidfw/include/androidfw/LocaleData.h
@@ -0,0 +1,36 @@
+/*
+ * Copyright (C) 2016 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef _LIBS_UTILS_LOCALE_DATA_H
+#define _LIBS_UTILS_LOCALE_DATA_H
+
+#include <stddef.h>
+#include <stdint.h>
+
+namespace android {
+
+int localeDataCompareRegions(
+        const char* left_region, const char* right_region,
+        const char* requested_language, const char* requested_script,
+        const char* requested_region);
+
+void localeDataComputeScript(char out[4], const char* language, const char* region);
+
+bool localeDataIsCloseToUsEnglish(const char* region);
+
+} // namespace android
+
+#endif // _LIBS_UTILS_LOCALE_DATA_H
diff --git a/libs/androidfw/include/androidfw/ObbFile.h b/libs/androidfw/include/androidfw/ObbFile.h
new file mode 100644
index 000000000000..3dbf997dc367
--- /dev/null
+++ b/libs/androidfw/include/androidfw/ObbFile.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef OBBFILE_H_
+#define OBBFILE_H_
+
+#include <stdint.h>
+#include <strings.h>
+
+#include <utils/RefBase.h>
+#include <utils/String8.h>
+
+namespace android {
+
+// OBB flags (bit 0)
+#define OBB_OVERLAY         (1 << 0)
+#define OBB_SALTED          (1 << 1)
+
+class ObbFile : public RefBase {
+protected:
+    virtual ~ObbFile();
+
+public:
+    ObbFile();
+
+    bool readFrom(const char* filename);
+    bool readFrom(int fd);
+    bool writeTo(const char* filename);
+    bool writeTo(int fd);
+    bool removeFrom(const char* filename);
+    bool removeFrom(int fd);
+
+    const char* getFileName() const {
+        return mFileName;
+    }
+
+    const String8 getPackageName() const {
+        return mPackageName;
+    }
+
+    void setPackageName(String8 packageName) {
+        mPackageName = packageName;
+    }
+
+    int32_t getVersion() const {
+        return mVersion;
+    }
+
+    void setVersion(int32_t version) {
+        mVersion = version;
+    }
+
+    int32_t getFlags() const {
+        return mFlags;
+    }
+
+    void setFlags(int32_t flags) {
+        mFlags = flags;
+    }
+
+    const unsigned char* getSalt(size_t* length) const {
+        if ((mFlags & OBB_SALTED) == 0) {
+            *length = 0;
+            return NULL;
+        }
+
+        *length = sizeof(mSalt);
+        return mSalt;
+    }
+
+    bool setSalt(const unsigned char* salt, size_t length) {
+        if (length != sizeof(mSalt)) {
+            return false;
+        }
+
+        memcpy(mSalt, salt, sizeof(mSalt));
+        mFlags |= OBB_SALTED;
+        return true;
+    }
+
+    bool isOverlay() {
+        return (mFlags & OBB_OVERLAY) == OBB_OVERLAY;
+    }
+
+    void setOverlay(bool overlay) {
+        if (overlay) {
+            mFlags |= OBB_OVERLAY;
+        } else {
+            mFlags &= ~OBB_OVERLAY;
+        }
+    }
+
+    static inline uint32_t get4LE(const unsigned char* buf) {
+        return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
+    }
+
+    static inline void put4LE(unsigned char* buf, uint32_t val) {
+        buf[0] = val & 0xFF;
+        buf[1] = (val >> 8) & 0xFF;
+        buf[2] = (val >> 16) & 0xFF;
+        buf[3] = (val >> 24) & 0xFF;
+    }
+
+private:
+    /* Package name this ObbFile is associated with */
+    String8 mPackageName;
+
+    /* Package version this ObbFile is associated with */
+    int32_t mVersion;
+
+    /* Flags for this OBB type. */
+    int32_t mFlags;
+
+    /* The encryption salt. */
+    unsigned char mSalt[8];
+
+    const char* mFileName;
+
+    size_t mFooterStart;
+
+    bool parseObbFile(int fd);
+};
+
+}
+#endif /* OBBFILE_H_ */
diff --git a/libs/androidfw/include/androidfw/ResourceTypes.h b/libs/androidfw/include/androidfw/ResourceTypes.h
new file mode 100644
index 000000000000..12a6b0f9a4ec
--- /dev/null
+++ b/libs/androidfw/include/androidfw/ResourceTypes.h
@@ -0,0 +1,1959 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Definitions of resource data structures.
+//
+#ifndef _LIBS_UTILS_RESOURCE_TYPES_H
+#define _LIBS_UTILS_RESOURCE_TYPES_H
+
+#include <androidfw/Asset.h>
+#include <androidfw/LocaleData.h>
+#include <utils/ByteOrder.h>
+#include <utils/Errors.h>
+#include <utils/String16.h>
+#include <utils/Vector.h>
+#include <utils/KeyedVector.h>
+
+#include <utils/threads.h>
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <android/configuration.h>
+
+#include <memory>
+
+namespace android {
+
+/**
+ * In C++11, char16_t is defined as *at least* 16 bits. We do a lot of
+ * casting on raw data and expect char16_t to be exactly 16 bits.
+ */
+#if __cplusplus >= 201103L
+struct __assertChar16Size {
+    static_assert(sizeof(char16_t) == sizeof(uint16_t), "char16_t is not 16 bits");
+    static_assert(alignof(char16_t) == alignof(uint16_t), "char16_t is not 16-bit aligned");
+};
+#endif
+
+/** ********************************************************************
+ *  PNG Extensions
+ *
+ *  New private chunks that may be placed in PNG images.
+ *
+ *********************************************************************** */
+
+/**
+ * This chunk specifies how to split an image into segments for
+ * scaling.
+ *
+ * There are J horizontal and K vertical segments.  These segments divide
+ * the image into J*K regions as follows (where J=4 and K=3):
+ *
+ *      F0   S0    F1     S1
+ *   +-----+----+------+-------+
+ * S2|  0  |  1 |  2   |   3   |
+ *   +-----+----+------+-------+
+ *   |     |    |      |       |
+ *   |     |    |      |       |
+ * F2|  4  |  5 |  6   |   7   |
+ *   |     |    |      |       |
+ *   |     |    |      |       |
+ *   +-----+----+------+-------+
+ * S3|  8  |  9 |  10  |   11  |
+ *   +-----+----+------+-------+
+ *
+ * Each horizontal and vertical segment is considered to by either
+ * stretchable (marked by the Sx labels) or fixed (marked by the Fy
+ * labels), in the horizontal or vertical axis, respectively. In the
+ * above example, the first is horizontal segment (F0) is fixed, the
+ * next is stretchable and then they continue to alternate. Note that
+ * the segment list for each axis can begin or end with a stretchable
+ * or fixed segment.
+ *
+ * The relative sizes of the stretchy segments indicates the relative
+ * amount of stretchiness of the regions bordered by the segments.  For
+ * example, regions 3, 7 and 11 above will take up more horizontal space
+ * than regions 1, 5 and 9 since the horizontal segment associated with
+ * the first set of regions is larger than the other set of regions.  The
+ * ratios of the amount of horizontal (or vertical) space taken by any
+ * two stretchable slices is exactly the ratio of their corresponding
+ * segment lengths.
+ *
+ * xDivs and yDivs are arrays of horizontal and vertical pixel
+ * indices.  The first pair of Divs (in either array) indicate the
+ * starting and ending points of the first stretchable segment in that
+ * axis. The next pair specifies the next stretchable segment, etc. So
+ * in the above example xDiv[0] and xDiv[1] specify the horizontal
+ * coordinates for the regions labeled 1, 5 and 9.  xDiv[2] and
+ * xDiv[3] specify the coordinates for regions 3, 7 and 11. Note that
+ * the leftmost slices always start at x=0 and the rightmost slices
+ * always end at the end of the image. So, for example, the regions 0,
+ * 4 and 8 (which are fixed along the X axis) start at x value 0 and
+ * go to xDiv[0] and slices 2, 6 and 10 start at xDiv[1] and end at
+ * xDiv[2].
+ *
+ * The colors array contains hints for each of the regions. They are
+ * ordered according left-to-right and top-to-bottom as indicated above.
+ * For each segment that is a solid color the array entry will contain
+ * that color value; otherwise it will contain NO_COLOR. Segments that
+ * are completely transparent will always have the value TRANSPARENT_COLOR.
+ *
+ * The PNG chunk type is "npTc".
+ */
+struct alignas(uintptr_t) Res_png_9patch
+{
+    Res_png_9patch() : wasDeserialized(false), xDivsOffset(0),
+                       yDivsOffset(0), colorsOffset(0) { }
+
+    int8_t wasDeserialized;
+    uint8_t numXDivs;
+    uint8_t numYDivs;
+    uint8_t numColors;
+
+    // The offset (from the start of this structure) to the xDivs & yDivs
+    // array for this 9patch. To get a pointer to this array, call
+    // getXDivs or getYDivs. Note that the serialized form for 9patches places
+    // the xDivs, yDivs and colors arrays immediately after the location
+    // of the Res_png_9patch struct.
+    uint32_t xDivsOffset;
+    uint32_t yDivsOffset;
+
+    int32_t paddingLeft, paddingRight;
+    int32_t paddingTop, paddingBottom;
+
+    enum {
+        // The 9 patch segment is not a solid color.
+        NO_COLOR = 0x00000001,
+
+        // The 9 patch segment is completely transparent.
+        TRANSPARENT_COLOR = 0x00000000
+    };
+
+    // The offset (from the start of this structure) to the colors array
+    // for this 9patch.
+    uint32_t colorsOffset;
+
+    // Convert data from device representation to PNG file representation.
+    void deviceToFile();
+    // Convert data from PNG file representation to device representation.
+    void fileToDevice();
+
+    // Serialize/Marshall the patch data into a newly malloc-ed block.
+    static void* serialize(const Res_png_9patch& patchHeader, const int32_t* xDivs,
+                           const int32_t* yDivs, const uint32_t* colors);
+    // Serialize/Marshall the patch data into |outData|.
+    static void serialize(const Res_png_9patch& patchHeader, const int32_t* xDivs,
+                           const int32_t* yDivs, const uint32_t* colors, void* outData);
+    // Deserialize/Unmarshall the patch data
+    static Res_png_9patch* deserialize(void* data);
+    // Compute the size of the serialized data structure
+    size_t serializedSize() const;
+
+    // These tell where the next section of a patch starts.
+    // For example, the first patch includes the pixels from
+    // 0 to xDivs[0]-1 and the second patch includes the pixels
+    // from xDivs[0] to xDivs[1]-1.
+    inline int32_t* getXDivs() const {
+        return reinterpret_cast<int32_t*>(reinterpret_cast<uintptr_t>(this) + xDivsOffset);
+    }
+    inline int32_t* getYDivs() const {
+        return reinterpret_cast<int32_t*>(reinterpret_cast<uintptr_t>(this) + yDivsOffset);
+    }
+    inline uint32_t* getColors() const {
+        return reinterpret_cast<uint32_t*>(reinterpret_cast<uintptr_t>(this) + colorsOffset);
+    }
+
+} __attribute__((packed));
+
+/** ********************************************************************
+ *  Base Types
+ *
+ *  These are standard types that are shared between multiple specific
+ *  resource types.
+ *
+ *********************************************************************** */
+
+/**
+ * Header that appears at the front of every data chunk in a resource.
+ */
+struct ResChunk_header
+{
+    // Type identifier for this chunk.  The meaning of this value depends
+    // on the containing chunk.
+    uint16_t type;
+
+    // Size of the chunk header (in bytes).  Adding this value to
+    // the address of the chunk allows you to find its associated data
+    // (if any).
+    uint16_t headerSize;
+
+    // Total size of this chunk (in bytes).  This is the chunkSize plus
+    // the size of any data associated with the chunk.  Adding this value
+    // to the chunk allows you to completely skip its contents (including
+    // any child chunks).  If this value is the same as chunkSize, there is
+    // no data associated with the chunk.
+    uint32_t size;
+};
+
+enum {
+    RES_NULL_TYPE               = 0x0000,
+    RES_STRING_POOL_TYPE        = 0x0001,
+    RES_TABLE_TYPE              = 0x0002,
+    RES_XML_TYPE                = 0x0003,
+
+    // Chunk types in RES_XML_TYPE
+    RES_XML_FIRST_CHUNK_TYPE    = 0x0100,
+    RES_XML_START_NAMESPACE_TYPE= 0x0100,
+    RES_XML_END_NAMESPACE_TYPE  = 0x0101,
+    RES_XML_START_ELEMENT_TYPE  = 0x0102,
+    RES_XML_END_ELEMENT_TYPE    = 0x0103,
+    RES_XML_CDATA_TYPE          = 0x0104,
+    RES_XML_LAST_CHUNK_TYPE     = 0x017f,
+    // This contains a uint32_t array mapping strings in the string
+    // pool back to resource identifiers.  It is optional.
+    RES_XML_RESOURCE_MAP_TYPE   = 0x0180,
+
+    // Chunk types in RES_TABLE_TYPE
+    RES_TABLE_PACKAGE_TYPE      = 0x0200,
+    RES_TABLE_TYPE_TYPE         = 0x0201,
+    RES_TABLE_TYPE_SPEC_TYPE    = 0x0202,
+    RES_TABLE_LIBRARY_TYPE      = 0x0203
+};
+
+/**
+ * Macros for building/splitting resource identifiers.
+ */
+#define Res_VALIDID(resid) (resid != 0)
+#define Res_CHECKID(resid) ((resid&0xFFFF0000) != 0)
+#define Res_MAKEID(package, type, entry) \
+    (((package+1)<<24) | (((type+1)&0xFF)<<16) | (entry&0xFFFF))
+#define Res_GETPACKAGE(id) ((id>>24)-1)
+#define Res_GETTYPE(id) (((id>>16)&0xFF)-1)
+#define Res_GETENTRY(id) (id&0xFFFF)
+
+#define Res_INTERNALID(resid) ((resid&0xFFFF0000) != 0 && (resid&0xFF0000) == 0)
+#define Res_MAKEINTERNAL(entry) (0x01000000 | (entry&0xFFFF))
+#define Res_MAKEARRAY(entry) (0x02000000 | (entry&0xFFFF))
+
+static const size_t Res_MAXPACKAGE = 255;
+static const size_t Res_MAXTYPE = 255;
+
+/**
+ * Representation of a value in a resource, supplying type
+ * information.
+ */
+struct Res_value
+{
+    // Number of bytes in this structure.
+    uint16_t size;
+
+    // Always set to 0.
+    uint8_t res0;
+        
+    // Type of the data value.
+    enum {
+        // The 'data' is either 0 or 1, specifying this resource is either
+        // undefined or empty, respectively.
+        TYPE_NULL = 0x00,
+        // The 'data' holds a ResTable_ref, a reference to another resource
+        // table entry.
+        TYPE_REFERENCE = 0x01,
+        // The 'data' holds an attribute resource identifier.
+        TYPE_ATTRIBUTE = 0x02,
+        // The 'data' holds an index into the containing resource table's
+        // global value string pool.
+        TYPE_STRING = 0x03,
+        // The 'data' holds a single-precision floating point number.
+        TYPE_FLOAT = 0x04,
+        // The 'data' holds a complex number encoding a dimension value,
+        // such as "100in".
+        TYPE_DIMENSION = 0x05,
+        // The 'data' holds a complex number encoding a fraction of a
+        // container.
+        TYPE_FRACTION = 0x06,
+        // The 'data' holds a dynamic ResTable_ref, which needs to be
+        // resolved before it can be used like a TYPE_REFERENCE.
+        TYPE_DYNAMIC_REFERENCE = 0x07,
+        // The 'data' holds an attribute resource identifier, which needs to be resolved
+        // before it can be used like a TYPE_ATTRIBUTE.
+        TYPE_DYNAMIC_ATTRIBUTE = 0x08,
+
+        // Beginning of integer flavors...
+        TYPE_FIRST_INT = 0x10,
+
+        // The 'data' is a raw integer value of the form n..n.
+        TYPE_INT_DEC = 0x10,
+        // The 'data' is a raw integer value of the form 0xn..n.
+        TYPE_INT_HEX = 0x11,
+        // The 'data' is either 0 or 1, for input "false" or "true" respectively.
+        TYPE_INT_BOOLEAN = 0x12,
+
+        // Beginning of color integer flavors...
+        TYPE_FIRST_COLOR_INT = 0x1c,
+
+        // The 'data' is a raw integer value of the form #aarrggbb.
+        TYPE_INT_COLOR_ARGB8 = 0x1c,
+        // The 'data' is a raw integer value of the form #rrggbb.
+        TYPE_INT_COLOR_RGB8 = 0x1d,
+        // The 'data' is a raw integer value of the form #argb.
+        TYPE_INT_COLOR_ARGB4 = 0x1e,
+        // The 'data' is a raw integer value of the form #rgb.
+        TYPE_INT_COLOR_RGB4 = 0x1f,
+
+        // ...end of integer flavors.
+        TYPE_LAST_COLOR_INT = 0x1f,
+
+        // ...end of integer flavors.
+        TYPE_LAST_INT = 0x1f
+    };
+    uint8_t dataType;
+
+    // Structure of complex data values (TYPE_UNIT and TYPE_FRACTION)
+    enum {
+        // Where the unit type information is.  This gives us 16 possible
+        // types, as defined below.
+        COMPLEX_UNIT_SHIFT = 0,
+        COMPLEX_UNIT_MASK = 0xf,
+
+        // TYPE_DIMENSION: Value is raw pixels.
+        COMPLEX_UNIT_PX = 0,
+        // TYPE_DIMENSION: Value is Device Independent Pixels.
+        COMPLEX_UNIT_DIP = 1,
+        // TYPE_DIMENSION: Value is a Scaled device independent Pixels.
+        COMPLEX_UNIT_SP = 2,
+        // TYPE_DIMENSION: Value is in points.
+        COMPLEX_UNIT_PT = 3,
+        // TYPE_DIMENSION: Value is in inches.
+        COMPLEX_UNIT_IN = 4,
+        // TYPE_DIMENSION: Value is in millimeters.
+        COMPLEX_UNIT_MM = 5,
+
+        // TYPE_FRACTION: A basic fraction of the overall size.
+        COMPLEX_UNIT_FRACTION = 0,
+        // TYPE_FRACTION: A fraction of the parent size.
+        COMPLEX_UNIT_FRACTION_PARENT = 1,
+
+        // Where the radix information is, telling where the decimal place
+        // appears in the mantissa.  This give us 4 possible fixed point
+        // representations as defined below.
+        COMPLEX_RADIX_SHIFT = 4,
+        COMPLEX_RADIX_MASK = 0x3,
+
+        // The mantissa is an integral number -- i.e., 0xnnnnnn.0
+        COMPLEX_RADIX_23p0 = 0,
+        // The mantissa magnitude is 16 bits -- i.e, 0xnnnn.nn
+        COMPLEX_RADIX_16p7 = 1,
+        // The mantissa magnitude is 8 bits -- i.e, 0xnn.nnnn
+        COMPLEX_RADIX_8p15 = 2,
+        // The mantissa magnitude is 0 bits -- i.e, 0x0.nnnnnn
+        COMPLEX_RADIX_0p23 = 3,
+
+        // Where the actual value is.  This gives us 23 bits of
+        // precision.  The top bit is the sign.
+        COMPLEX_MANTISSA_SHIFT = 8,
+        COMPLEX_MANTISSA_MASK = 0xffffff
+    };
+
+    // Possible data values for TYPE_NULL.
+    enum {
+        // The value is not defined.
+        DATA_NULL_UNDEFINED = 0,
+        // The value is explicitly defined as empty.
+        DATA_NULL_EMPTY = 1
+    };
+
+    // The data for this item, as interpreted according to dataType.
+    typedef uint32_t data_type;
+    data_type data;
+
+    void copyFrom_dtoh(const Res_value& src);
+};
+
+/**
+ *  This is a reference to a unique entry (a ResTable_entry structure)
+ *  in a resource table.  The value is structured as: 0xpptteeee,
+ *  where pp is the package index, tt is the type index in that
+ *  package, and eeee is the entry index in that type.  The package
+ *  and type values start at 1 for the first item, to help catch cases
+ *  where they have not been supplied.
+ */
+struct ResTable_ref
+{
+    uint32_t ident;
+};
+
+/**
+ * Reference to a string in a string pool.
+ */
+struct ResStringPool_ref
+{
+    // Index into the string pool table (uint32_t-offset from the indices
+    // immediately after ResStringPool_header) at which to find the location
+    // of the string data in the pool.
+    uint32_t index;
+};
+
+/** ********************************************************************
+ *  String Pool
+ *
+ *  A set of strings that can be references by others through a
+ *  ResStringPool_ref.
+ *
+ *********************************************************************** */
+
+/**
+ * Definition for a pool of strings.  The data of this chunk is an
+ * array of uint32_t providing indices into the pool, relative to
+ * stringsStart.  At stringsStart are all of the UTF-16 strings
+ * concatenated together; each starts with a uint16_t of the string's
+ * length and each ends with a 0x0000 terminator.  If a string is >
+ * 32767 characters, the high bit of the length is set meaning to take
+ * those 15 bits as a high word and it will be followed by another
+ * uint16_t containing the low word.
+ *
+ * If styleCount is not zero, then immediately following the array of
+ * uint32_t indices into the string table is another array of indices
+ * into a style table starting at stylesStart.  Each entry in the
+ * style table is an array of ResStringPool_span structures.
+ */
+struct ResStringPool_header
+{
+    struct ResChunk_header header;
+
+    // Number of strings in this pool (number of uint32_t indices that follow
+    // in the data).
+    uint32_t stringCount;
+
+    // Number of style span arrays in the pool (number of uint32_t indices
+    // follow the string indices).
+    uint32_t styleCount;
+
+    // Flags.
+    enum {
+        // If set, the string index is sorted by the string values (based
+        // on strcmp16()).
+        SORTED_FLAG = 1<<0,
+
+        // String pool is encoded in UTF-8
+        UTF8_FLAG = 1<<8
+    };
+    uint32_t flags;
+
+    // Index from header of the string data.
+    uint32_t stringsStart;
+
+    // Index from header of the style data.
+    uint32_t stylesStart;
+};
+
+/**
+ * This structure defines a span of style information associated with
+ * a string in the pool.
+ */
+struct ResStringPool_span
+{
+    enum {
+        END = 0xFFFFFFFF
+    };
+
+    // This is the name of the span -- that is, the name of the XML
+    // tag that defined it.  The special value END (0xFFFFFFFF) indicates
+    // the end of an array of spans.
+    ResStringPool_ref name;
+
+    // The range of characters in the string that this span applies to.
+    uint32_t firstChar, lastChar;
+};
+
+/**
+ * Convenience class for accessing data in a ResStringPool resource.
+ */
+class ResStringPool
+{
+public:
+    ResStringPool();
+    ResStringPool(const void* data, size_t size, bool copyData=false);
+    ~ResStringPool();
+
+    void setToEmpty();
+    status_t setTo(const void* data, size_t size, bool copyData=false);
+
+    status_t getError() const;
+
+    void uninit();
+
+    // Return string entry as UTF16; if the pool is UTF8, the string will
+    // be converted before returning.
+    inline const char16_t* stringAt(const ResStringPool_ref& ref, size_t* outLen) const {
+        return stringAt(ref.index, outLen);
+    }
+    const char16_t* stringAt(size_t idx, size_t* outLen) const;
+
+    // Note: returns null if the string pool is not UTF8.
+    const char* string8At(size_t idx, size_t* outLen) const;
+
+    // Return string whether the pool is UTF8 or UTF16.  Does not allow you
+    // to distinguish null.
+    const String8 string8ObjectAt(size_t idx) const;
+
+    const ResStringPool_span* styleAt(const ResStringPool_ref& ref) const;
+    const ResStringPool_span* styleAt(size_t idx) const;
+
+    ssize_t indexOfString(const char16_t* str, size_t strLen) const;
+
+    size_t size() const;
+    size_t styleCount() const;
+    size_t bytes() const;
+
+    bool isSorted() const;
+    bool isUTF8() const;
+
+private:
+    status_t                    mError;
+    void*                       mOwnedData;
+    const ResStringPool_header* mHeader;
+    size_t                      mSize;
+    mutable Mutex               mDecodeLock;
+    const uint32_t*             mEntries;
+    const uint32_t*             mEntryStyles;
+    const void*                 mStrings;
+    char16_t mutable**          mCache;
+    uint32_t                    mStringPoolSize;    // number of uint16_t
+    const uint32_t*             mStyles;
+    uint32_t                    mStylePoolSize;    // number of uint32_t
+};
+
+/**
+ * Wrapper class that allows the caller to retrieve a string from
+ * a string pool without knowing which string pool to look.
+ */
+class StringPoolRef {
+public:
+    StringPoolRef();
+    StringPoolRef(const ResStringPool* pool, uint32_t index);
+
+    const char* string8(size_t* outLen) const;
+    const char16_t* string16(size_t* outLen) const;
+
+private:
+    const ResStringPool*        mPool;
+    uint32_t                    mIndex;
+};
+
+/** ********************************************************************
+ *  XML Tree
+ *
+ *  Binary representation of an XML document.  This is designed to
+ *  express everything in an XML document, in a form that is much
+ *  easier to parse on the device.
+ *
+ *********************************************************************** */
+
+/**
+ * XML tree header.  This appears at the front of an XML tree,
+ * describing its content.  It is followed by a flat array of
+ * ResXMLTree_node structures; the hierarchy of the XML document
+ * is described by the occurrance of RES_XML_START_ELEMENT_TYPE
+ * and corresponding RES_XML_END_ELEMENT_TYPE nodes in the array.
+ */
+struct ResXMLTree_header
+{
+    struct ResChunk_header header;
+};
+
+/**
+ * Basic XML tree node.  A single item in the XML document.  Extended info
+ * about the node can be found after header.headerSize.
+ */
+struct ResXMLTree_node
+{
+    struct ResChunk_header header;
+
+    // Line number in original source file at which this element appeared.
+    uint32_t lineNumber;
+
+    // Optional XML comment that was associated with this element; -1 if none.
+    struct ResStringPool_ref comment;
+};
+
+/**
+ * Extended XML tree node for CDATA tags -- includes the CDATA string.
+ * Appears header.headerSize bytes after a ResXMLTree_node.
+ */
+struct ResXMLTree_cdataExt
+{
+    // The raw CDATA character data.
+    struct ResStringPool_ref data;
+    
+    // The typed value of the character data if this is a CDATA node.
+    struct Res_value typedData;
+};
+
+/**
+ * Extended XML tree node for namespace start/end nodes.
+ * Appears header.headerSize bytes after a ResXMLTree_node.
+ */
+struct ResXMLTree_namespaceExt
+{
+    // The prefix of the namespace.
+    struct ResStringPool_ref prefix;
+    
+    // The URI of the namespace.
+    struct ResStringPool_ref uri;
+};
+
+/**
+ * Extended XML tree node for element start/end nodes.
+ * Appears header.headerSize bytes after a ResXMLTree_node.
+ */
+struct ResXMLTree_endElementExt
+{
+    // String of the full namespace of this element.
+    struct ResStringPool_ref ns;
+    
+    // String name of this node if it is an ELEMENT; the raw
+    // character data if this is a CDATA node.
+    struct ResStringPool_ref name;
+};
+
+/**
+ * Extended XML tree node for start tags -- includes attribute
+ * information.
+ * Appears header.headerSize bytes after a ResXMLTree_node.
+ */
+struct ResXMLTree_attrExt
+{
+    // String of the full namespace of this element.
+    struct ResStringPool_ref ns;
+    
+    // String name of this node if it is an ELEMENT; the raw
+    // character data if this is a CDATA node.
+    struct ResStringPool_ref name;
+    
+    // Byte offset from the start of this structure where the attributes start.
+    uint16_t attributeStart;
+    
+    // Size of the ResXMLTree_attribute structures that follow.
+    uint16_t attributeSize;
+    
+    // Number of attributes associated with an ELEMENT.  These are
+    // available as an array of ResXMLTree_attribute structures
+    // immediately following this node.
+    uint16_t attributeCount;
+    
+    // Index (1-based) of the "id" attribute. 0 if none.
+    uint16_t idIndex;
+    
+    // Index (1-based) of the "class" attribute. 0 if none.
+    uint16_t classIndex;
+    
+    // Index (1-based) of the "style" attribute. 0 if none.
+    uint16_t styleIndex;
+};
+
+struct ResXMLTree_attribute
+{
+    // Namespace of this attribute.
+    struct ResStringPool_ref ns;
+    
+    // Name of this attribute.
+    struct ResStringPool_ref name;
+
+    // The original raw string value of this attribute.
+    struct ResStringPool_ref rawValue;
+    
+    // Processesd typed value of this attribute.
+    struct Res_value typedValue;
+};
+
+class ResXMLTree;
+
+class ResXMLParser
+{
+public:
+    ResXMLParser(const ResXMLTree& tree);
+
+    enum event_code_t {
+        BAD_DOCUMENT = -1,
+        START_DOCUMENT = 0,
+        END_DOCUMENT = 1,
+        
+        FIRST_CHUNK_CODE = RES_XML_FIRST_CHUNK_TYPE, 
+        
+        START_NAMESPACE = RES_XML_START_NAMESPACE_TYPE,
+        END_NAMESPACE = RES_XML_END_NAMESPACE_TYPE,
+        START_TAG = RES_XML_START_ELEMENT_TYPE,
+        END_TAG = RES_XML_END_ELEMENT_TYPE,
+        TEXT = RES_XML_CDATA_TYPE
+    };
+
+    struct ResXMLPosition
+    {
+        event_code_t                eventCode;
+        const ResXMLTree_node*      curNode;
+        const void*                 curExt;
+    };
+
+    void restart();
+
+    const ResStringPool& getStrings() const;
+
+    event_code_t getEventType() const;
+    // Note, unlike XmlPullParser, the first call to next() will return
+    // START_TAG of the first element.
+    event_code_t next();
+
+    // These are available for all nodes:
+    int32_t getCommentID() const;
+    const char16_t* getComment(size_t* outLen) const;
+    uint32_t getLineNumber() const;
+    
+    // This is available for TEXT:
+    int32_t getTextID() const;
+    const char16_t* getText(size_t* outLen) const;
+    ssize_t getTextValue(Res_value* outValue) const;
+    
+    // These are available for START_NAMESPACE and END_NAMESPACE:
+    int32_t getNamespacePrefixID() const;
+    const char16_t* getNamespacePrefix(size_t* outLen) const;
+    int32_t getNamespaceUriID() const;
+    const char16_t* getNamespaceUri(size_t* outLen) const;
+    
+    // These are available for START_TAG and END_TAG:
+    int32_t getElementNamespaceID() const;
+    const char16_t* getElementNamespace(size_t* outLen) const;
+    int32_t getElementNameID() const;
+    const char16_t* getElementName(size_t* outLen) const;
+    
+    // Remaining methods are for retrieving information about attributes
+    // associated with a START_TAG:
+    
+    size_t getAttributeCount() const;
+    
+    // Returns -1 if no namespace, -2 if idx out of range.
+    int32_t getAttributeNamespaceID(size_t idx) const;
+    const char16_t* getAttributeNamespace(size_t idx, size_t* outLen) const;
+
+    int32_t getAttributeNameID(size_t idx) const;
+    const char16_t* getAttributeName(size_t idx, size_t* outLen) const;
+    uint32_t getAttributeNameResID(size_t idx) const;
+
+    // These will work only if the underlying string pool is UTF-8.
+    const char* getAttributeNamespace8(size_t idx, size_t* outLen) const;
+    const char* getAttributeName8(size_t idx, size_t* outLen) const;
+
+    int32_t getAttributeValueStringID(size_t idx) const;
+    const char16_t* getAttributeStringValue(size_t idx, size_t* outLen) const;
+    
+    int32_t getAttributeDataType(size_t idx) const;
+    int32_t getAttributeData(size_t idx) const;
+    ssize_t getAttributeValue(size_t idx, Res_value* outValue) const;
+
+    ssize_t indexOfAttribute(const char* ns, const char* attr) const;
+    ssize_t indexOfAttribute(const char16_t* ns, size_t nsLen,
+                             const char16_t* attr, size_t attrLen) const;
+
+    ssize_t indexOfID() const;
+    ssize_t indexOfClass() const;
+    ssize_t indexOfStyle() const;
+
+    void getPosition(ResXMLPosition* pos) const;
+    void setPosition(const ResXMLPosition& pos);
+
+private:
+    friend class ResXMLTree;
+    
+    event_code_t nextNode();
+
+    const ResXMLTree&           mTree;
+    event_code_t                mEventCode;
+    const ResXMLTree_node*      mCurNode;
+    const void*                 mCurExt;
+};
+
+class DynamicRefTable;
+
+/**
+ * Convenience class for accessing data in a ResXMLTree resource.
+ */
+class ResXMLTree : public ResXMLParser
+{
+public:
+    ResXMLTree(const DynamicRefTable* dynamicRefTable);
+    ResXMLTree();
+    ~ResXMLTree();
+
+    status_t setTo(const void* data, size_t size, bool copyData=false);
+
+    status_t getError() const;
+
+    void uninit();
+
+private:
+    friend class ResXMLParser;
+
+    status_t validateNode(const ResXMLTree_node* node) const;
+
+    const DynamicRefTable* const mDynamicRefTable;
+
+    status_t                    mError;
+    void*                       mOwnedData;
+    const ResXMLTree_header*    mHeader;
+    size_t                      mSize;
+    const uint8_t*              mDataEnd;
+    ResStringPool               mStrings;
+    const uint32_t*             mResIds;
+    size_t                      mNumResIds;
+    const ResXMLTree_node*      mRootNode;
+    const void*                 mRootExt;
+    event_code_t                mRootCode;
+};
+
+/** ********************************************************************
+ *  RESOURCE TABLE
+ *
+ *********************************************************************** */
+
+/**
+ * Header for a resource table.  Its data contains a series of
+ * additional chunks:
+ *   * A ResStringPool_header containing all table values.  This string pool
+ *     contains all of the string values in the entire resource table (not
+ *     the names of entries or type identifiers however).
+ *   * One or more ResTable_package chunks.
+ *
+ * Specific entries within a resource table can be uniquely identified
+ * with a single integer as defined by the ResTable_ref structure.
+ */
+struct ResTable_header
+{
+    struct ResChunk_header header;
+
+    // The number of ResTable_package structures.
+    uint32_t packageCount;
+};
+
+/**
+ * A collection of resource data types within a package.  Followed by
+ * one or more ResTable_type and ResTable_typeSpec structures containing the
+ * entry values for each resource type.
+ */
+struct ResTable_package
+{
+    struct ResChunk_header header;
+
+    // If this is a base package, its ID.  Package IDs start
+    // at 1 (corresponding to the value of the package bits in a
+    // resource identifier).  0 means this is not a base package.
+    uint32_t id;
+
+    // Actual name of this package, \0-terminated.
+    uint16_t name[128];
+
+    // Offset to a ResStringPool_header defining the resource
+    // type symbol table.  If zero, this package is inheriting from
+    // another base package (overriding specific values in it).
+    uint32_t typeStrings;
+
+    // Last index into typeStrings that is for public use by others.
+    uint32_t lastPublicType;
+
+    // Offset to a ResStringPool_header defining the resource
+    // key symbol table.  If zero, this package is inheriting from
+    // another base package (overriding specific values in it).
+    uint32_t keyStrings;
+
+    // Last index into keyStrings that is for public use by others.
+    uint32_t lastPublicKey;
+
+    uint32_t typeIdOffset;
+};
+
+// The most specific locale can consist of:
+//
+// - a 3 char language code
+// - a 3 char region code prefixed by a 'r'
+// - a 4 char script code prefixed by a 's'
+// - a 8 char variant code prefixed by a 'v'
+//
+// each separated by a single char separator, which sums up to a total of 24
+// chars, (25 include the string terminator) rounded up to 28 to be 4 byte
+// aligned.
+#define RESTABLE_MAX_LOCALE_LEN 28
+
+
+/**
+ * Describes a particular resource configuration.
+ */
+struct ResTable_config
+{
+    // Number of bytes in this structure.
+    uint32_t size;
+    
+    union {
+        struct {
+            // Mobile country code (from SIM).  0 means "any".
+            uint16_t mcc;
+            // Mobile network code (from SIM).  0 means "any".
+            uint16_t mnc;
+        };
+        uint32_t imsi;
+    };
+    
+    union {
+        struct {
+            // This field can take three different forms:
+            // - \0\0 means "any".
+            //
+            // - Two 7 bit ascii values interpreted as ISO-639-1 language
+            //   codes ('fr', 'en' etc. etc.). The high bit for both bytes is
+            //   zero.
+            //
+            // - A single 16 bit little endian packed value representing an
+            //   ISO-639-2 3 letter language code. This will be of the form:
+            //
+            //   {1, t, t, t, t, t, s, s, s, s, s, f, f, f, f, f}
+            //
+            //   bit[0, 4] = first letter of the language code
+            //   bit[5, 9] = second letter of the language code
+            //   bit[10, 14] = third letter of the language code.
+            //   bit[15] = 1 always
+            //
+            // For backwards compatibility, languages that have unambiguous
+            // two letter codes are represented in that format.
+            //
+            // The layout is always bigendian irrespective of the runtime
+            // architecture.
+            char language[2];
+            
+            // This field can take three different forms:
+            // - \0\0 means "any".
+            //
+            // - Two 7 bit ascii values interpreted as 2 letter region
+            //   codes ('US', 'GB' etc.). The high bit for both bytes is zero.
+            //
+            // - An UN M.49 3 digit region code. For simplicity, these are packed
+            //   in the same manner as the language codes, though we should need
+            //   only 10 bits to represent them, instead of the 15.
+            //
+            // The layout is always bigendian irrespective of the runtime
+            // architecture.
+            char country[2];
+        };
+        uint32_t locale;
+    };
+    
+    enum {
+        ORIENTATION_ANY  = ACONFIGURATION_ORIENTATION_ANY,
+        ORIENTATION_PORT = ACONFIGURATION_ORIENTATION_PORT,
+        ORIENTATION_LAND = ACONFIGURATION_ORIENTATION_LAND,
+        ORIENTATION_SQUARE = ACONFIGURATION_ORIENTATION_SQUARE,
+    };
+    
+    enum {
+        TOUCHSCREEN_ANY  = ACONFIGURATION_TOUCHSCREEN_ANY,
+        TOUCHSCREEN_NOTOUCH  = ACONFIGURATION_TOUCHSCREEN_NOTOUCH,
+        TOUCHSCREEN_STYLUS  = ACONFIGURATION_TOUCHSCREEN_STYLUS,
+        TOUCHSCREEN_FINGER  = ACONFIGURATION_TOUCHSCREEN_FINGER,
+    };
+    
+    enum {
+        DENSITY_DEFAULT = ACONFIGURATION_DENSITY_DEFAULT,
+        DENSITY_LOW = ACONFIGURATION_DENSITY_LOW,
+        DENSITY_MEDIUM = ACONFIGURATION_DENSITY_MEDIUM,
+        DENSITY_TV = ACONFIGURATION_DENSITY_TV,
+        DENSITY_HIGH = ACONFIGURATION_DENSITY_HIGH,
+        DENSITY_XHIGH = ACONFIGURATION_DENSITY_XHIGH,
+        DENSITY_XXHIGH = ACONFIGURATION_DENSITY_XXHIGH,
+        DENSITY_XXXHIGH = ACONFIGURATION_DENSITY_XXXHIGH,
+        DENSITY_ANY = ACONFIGURATION_DENSITY_ANY,
+        DENSITY_NONE = ACONFIGURATION_DENSITY_NONE
+    };
+    
+    union {
+        struct {
+            uint8_t orientation;
+            uint8_t touchscreen;
+            uint16_t density;
+        };
+        uint32_t screenType;
+    };
+    
+    enum {
+        KEYBOARD_ANY  = ACONFIGURATION_KEYBOARD_ANY,
+        KEYBOARD_NOKEYS  = ACONFIGURATION_KEYBOARD_NOKEYS,
+        KEYBOARD_QWERTY  = ACONFIGURATION_KEYBOARD_QWERTY,
+        KEYBOARD_12KEY  = ACONFIGURATION_KEYBOARD_12KEY,
+    };
+    
+    enum {
+        NAVIGATION_ANY  = ACONFIGURATION_NAVIGATION_ANY,
+        NAVIGATION_NONAV  = ACONFIGURATION_NAVIGATION_NONAV,
+        NAVIGATION_DPAD  = ACONFIGURATION_NAVIGATION_DPAD,
+        NAVIGATION_TRACKBALL  = ACONFIGURATION_NAVIGATION_TRACKBALL,
+        NAVIGATION_WHEEL  = ACONFIGURATION_NAVIGATION_WHEEL,
+    };
+    
+    enum {
+        MASK_KEYSHIDDEN = 0x0003,
+        KEYSHIDDEN_ANY = ACONFIGURATION_KEYSHIDDEN_ANY,
+        KEYSHIDDEN_NO = ACONFIGURATION_KEYSHIDDEN_NO,
+        KEYSHIDDEN_YES = ACONFIGURATION_KEYSHIDDEN_YES,
+        KEYSHIDDEN_SOFT = ACONFIGURATION_KEYSHIDDEN_SOFT,
+    };
+    
+    enum {
+        MASK_NAVHIDDEN = 0x000c,
+        SHIFT_NAVHIDDEN = 2,
+        NAVHIDDEN_ANY = ACONFIGURATION_NAVHIDDEN_ANY << SHIFT_NAVHIDDEN,
+        NAVHIDDEN_NO = ACONFIGURATION_NAVHIDDEN_NO << SHIFT_NAVHIDDEN,
+        NAVHIDDEN_YES = ACONFIGURATION_NAVHIDDEN_YES << SHIFT_NAVHIDDEN,
+    };
+    
+    union {
+        struct {
+            uint8_t keyboard;
+            uint8_t navigation;
+            uint8_t inputFlags;
+            uint8_t inputPad0;
+        };
+        uint32_t input;
+    };
+    
+    enum {
+        SCREENWIDTH_ANY = 0
+    };
+    
+    enum {
+        SCREENHEIGHT_ANY = 0
+    };
+    
+    union {
+        struct {
+            uint16_t screenWidth;
+            uint16_t screenHeight;
+        };
+        uint32_t screenSize;
+    };
+    
+    enum {
+        SDKVERSION_ANY = 0
+    };
+    
+  enum {
+        MINORVERSION_ANY = 0
+    };
+    
+    union {
+        struct {
+            uint16_t sdkVersion;
+            // For now minorVersion must always be 0!!!  Its meaning
+            // is currently undefined.
+            uint16_t minorVersion;
+        };
+        uint32_t version;
+    };
+    
+    enum {
+        // screenLayout bits for screen size class.
+        MASK_SCREENSIZE = 0x0f,
+        SCREENSIZE_ANY = ACONFIGURATION_SCREENSIZE_ANY,
+        SCREENSIZE_SMALL = ACONFIGURATION_SCREENSIZE_SMALL,
+        SCREENSIZE_NORMAL = ACONFIGURATION_SCREENSIZE_NORMAL,
+        SCREENSIZE_LARGE = ACONFIGURATION_SCREENSIZE_LARGE,
+        SCREENSIZE_XLARGE = ACONFIGURATION_SCREENSIZE_XLARGE,
+        
+        // screenLayout bits for wide/long screen variation.
+        MASK_SCREENLONG = 0x30,
+        SHIFT_SCREENLONG = 4,
+        SCREENLONG_ANY = ACONFIGURATION_SCREENLONG_ANY << SHIFT_SCREENLONG,
+        SCREENLONG_NO = ACONFIGURATION_SCREENLONG_NO << SHIFT_SCREENLONG,
+        SCREENLONG_YES = ACONFIGURATION_SCREENLONG_YES << SHIFT_SCREENLONG,
+
+        // screenLayout bits for layout direction.
+        MASK_LAYOUTDIR = 0xC0,
+        SHIFT_LAYOUTDIR = 6,
+        LAYOUTDIR_ANY = ACONFIGURATION_LAYOUTDIR_ANY << SHIFT_LAYOUTDIR,
+        LAYOUTDIR_LTR = ACONFIGURATION_LAYOUTDIR_LTR << SHIFT_LAYOUTDIR,
+        LAYOUTDIR_RTL = ACONFIGURATION_LAYOUTDIR_RTL << SHIFT_LAYOUTDIR,
+    };
+    
+    enum {
+        // uiMode bits for the mode type.
+        MASK_UI_MODE_TYPE = 0x0f,
+        UI_MODE_TYPE_ANY = ACONFIGURATION_UI_MODE_TYPE_ANY,
+        UI_MODE_TYPE_NORMAL = ACONFIGURATION_UI_MODE_TYPE_NORMAL,
+        UI_MODE_TYPE_DESK = ACONFIGURATION_UI_MODE_TYPE_DESK,
+        UI_MODE_TYPE_CAR = ACONFIGURATION_UI_MODE_TYPE_CAR,
+        UI_MODE_TYPE_TELEVISION = ACONFIGURATION_UI_MODE_TYPE_TELEVISION,
+        UI_MODE_TYPE_APPLIANCE = ACONFIGURATION_UI_MODE_TYPE_APPLIANCE,
+        UI_MODE_TYPE_WATCH = ACONFIGURATION_UI_MODE_TYPE_WATCH,
+
+        // uiMode bits for the night switch.
+        MASK_UI_MODE_NIGHT = 0x30,
+        SHIFT_UI_MODE_NIGHT = 4,
+        UI_MODE_NIGHT_ANY = ACONFIGURATION_UI_MODE_NIGHT_ANY << SHIFT_UI_MODE_NIGHT,
+        UI_MODE_NIGHT_NO = ACONFIGURATION_UI_MODE_NIGHT_NO << SHIFT_UI_MODE_NIGHT,
+        UI_MODE_NIGHT_YES = ACONFIGURATION_UI_MODE_NIGHT_YES << SHIFT_UI_MODE_NIGHT,
+    };
+
+    union {
+        struct {
+            uint8_t screenLayout;
+            uint8_t uiMode;
+            uint16_t smallestScreenWidthDp;
+        };
+        uint32_t screenConfig;
+    };
+    
+    union {
+        struct {
+            uint16_t screenWidthDp;
+            uint16_t screenHeightDp;
+        };
+        uint32_t screenSizeDp;
+    };
+
+    // The ISO-15924 short name for the script corresponding to this
+    // configuration. (eg. Hant, Latn, etc.). Interpreted in conjunction with
+    // the locale field.
+    char localeScript[4];
+
+    // A single BCP-47 variant subtag. Will vary in length between 4 and 8
+    // chars. Interpreted in conjunction with the locale field.
+    char localeVariant[8];
+
+    enum {
+        // screenLayout2 bits for round/notround.
+        MASK_SCREENROUND = 0x03,
+        SCREENROUND_ANY = ACONFIGURATION_SCREENROUND_ANY,
+        SCREENROUND_NO = ACONFIGURATION_SCREENROUND_NO,
+        SCREENROUND_YES = ACONFIGURATION_SCREENROUND_YES,
+    };
+
+    // An extension of screenConfig.
+    union {
+        struct {
+            uint8_t screenLayout2;      // Contains round/notround qualifier.
+            uint8_t screenConfigPad1;   // Reserved padding.
+            uint16_t screenConfigPad2;  // Reserved padding.
+        };
+        uint32_t screenConfig2;
+    };
+
+    // If false and localeScript is set, it means that the script of the locale
+    // was explicitly provided.
+    //
+    // If true, it means that localeScript was automatically computed.
+    // localeScript may still not be set in this case, which means that we
+    // tried but could not compute a script.
+    bool localeScriptWasComputed;
+
+    void copyFromDeviceNoSwap(const ResTable_config& o);
+    
+    void copyFromDtoH(const ResTable_config& o);
+    
+    void swapHtoD();
+
+    int compare(const ResTable_config& o) const;
+    int compareLogical(const ResTable_config& o) const;
+
+    // Flags indicating a set of config values.  These flag constants must
+    // match the corresponding ones in android.content.pm.ActivityInfo and
+    // attrs_manifest.xml.
+    enum {
+        CONFIG_MCC = ACONFIGURATION_MCC,
+        CONFIG_MNC = ACONFIGURATION_MNC,
+        CONFIG_LOCALE = ACONFIGURATION_LOCALE,
+        CONFIG_TOUCHSCREEN = ACONFIGURATION_TOUCHSCREEN,
+        CONFIG_KEYBOARD = ACONFIGURATION_KEYBOARD,
+        CONFIG_KEYBOARD_HIDDEN = ACONFIGURATION_KEYBOARD_HIDDEN,
+        CONFIG_NAVIGATION = ACONFIGURATION_NAVIGATION,
+        CONFIG_ORIENTATION = ACONFIGURATION_ORIENTATION,
+        CONFIG_DENSITY = ACONFIGURATION_DENSITY,
+        CONFIG_SCREEN_SIZE = ACONFIGURATION_SCREEN_SIZE,
+        CONFIG_SMALLEST_SCREEN_SIZE = ACONFIGURATION_SMALLEST_SCREEN_SIZE,
+        CONFIG_VERSION = ACONFIGURATION_VERSION,
+        CONFIG_SCREEN_LAYOUT = ACONFIGURATION_SCREEN_LAYOUT,
+        CONFIG_UI_MODE = ACONFIGURATION_UI_MODE,
+        CONFIG_LAYOUTDIR = ACONFIGURATION_LAYOUTDIR,
+        CONFIG_SCREEN_ROUND = ACONFIGURATION_SCREEN_ROUND,
+    };
+    
+    // Compare two configuration, returning CONFIG_* flags set for each value
+    // that is different.
+    int diff(const ResTable_config& o) const;
+    
+    // Return true if 'this' is more specific than 'o'.
+    bool isMoreSpecificThan(const ResTable_config& o) const;
+
+    // Return true if 'this' is a better match than 'o' for the 'requested'
+    // configuration.  This assumes that match() has already been used to
+    // remove any configurations that don't match the requested configuration
+    // at all; if they are not first filtered, non-matching results can be
+    // considered better than matching ones.
+    // The general rule per attribute: if the request cares about an attribute
+    // (it normally does), if the two (this and o) are equal it's a tie.  If
+    // they are not equal then one must be generic because only generic and
+    // '==requested' will pass the match() call.  So if this is not generic,
+    // it wins.  If this IS generic, o wins (return false).
+    bool isBetterThan(const ResTable_config& o, const ResTable_config* requested) const;
+
+    // Return true if 'this' can be considered a match for the parameters in 
+    // 'settings'.
+    // Note this is asymetric.  A default piece of data will match every request
+    // but a request for the default should not match odd specifics
+    // (ie, request with no mcc should not match a particular mcc's data)
+    // settings is the requested settings
+    bool match(const ResTable_config& settings) const;
+
+    // Get the string representation of the locale component of this
+    // Config. The maximum size of this representation will be
+    // |RESTABLE_MAX_LOCALE_LEN| (including a terminating '\0').
+    //
+    // Example: en-US, en-Latn-US, en-POSIX.
+    void getBcp47Locale(char* out) const;
+
+    // Append to str the resource-qualifer string representation of the
+    // locale component of this Config. If the locale is only country
+    // and language, it will look like en-rUS. If it has scripts and
+    // variants, it will be a modified bcp47 tag: b+en+Latn+US.
+    void appendDirLocale(String8& str) const;
+
+    // Sets the values of language, region, script and variant to the
+    // well formed BCP-47 locale contained in |in|. The input locale is
+    // assumed to be valid and no validation is performed.
+    void setBcp47Locale(const char* in);
+
+    inline void clearLocale() {
+        locale = 0;
+        localeScriptWasComputed = false;
+        memset(localeScript, 0, sizeof(localeScript));
+        memset(localeVariant, 0, sizeof(localeVariant));
+    }
+
+    inline void computeScript() {
+        localeDataComputeScript(localeScript, language, country);
+    }
+
+    // Get the 2 or 3 letter language code of this configuration. Trailing
+    // bytes are set to '\0'.
+    size_t unpackLanguage(char language[4]) const;
+    // Get the 2 or 3 letter language code of this configuration. Trailing
+    // bytes are set to '\0'.
+    size_t unpackRegion(char region[4]) const;
+
+    // Sets the language code of this configuration to the first three
+    // chars at |language|.
+    //
+    // If |language| is a 2 letter code, the trailing byte must be '\0' or
+    // the BCP-47 separator '-'.
+    void packLanguage(const char* language);
+    // Sets the region code of this configuration to the first three bytes
+    // at |region|. If |region| is a 2 letter code, the trailing byte must be '\0'
+    // or the BCP-47 separator '-'.
+    void packRegion(const char* region);
+
+    // Returns a positive integer if this config is more specific than |o|
+    // with respect to their locales, a negative integer if |o| is more specific
+    // and 0 if they're equally specific.
+    int isLocaleMoreSpecificThan(const ResTable_config &o) const;
+
+    // Return true if 'this' is a better locale match than 'o' for the
+    // 'requested' configuration. Similar to isBetterThan(), this assumes that
+    // match() has already been used to remove any configurations that don't
+    // match the requested configuration at all.
+    bool isLocaleBetterThan(const ResTable_config& o, const ResTable_config* requested) const;
+
+    String8 toString() const;
+};
+
+/**
+ * A specification of the resources defined by a particular type.
+ *
+ * There should be one of these chunks for each resource type.
+ *
+ * This structure is followed by an array of integers providing the set of
+ * configuration change flags (ResTable_config::CONFIG_*) that have multiple
+ * resources for that configuration.  In addition, the high bit is set if that
+ * resource has been made public.
+ */
+struct ResTable_typeSpec
+{
+    struct ResChunk_header header;
+
+    // The type identifier this chunk is holding.  Type IDs start
+    // at 1 (corresponding to the value of the type bits in a
+    // resource identifier).  0 is invalid.
+    uint8_t id;
+    
+    // Must be 0.
+    uint8_t res0;
+    // Must be 0.
+    uint16_t res1;
+    
+    // Number of uint32_t entry configuration masks that follow.
+    uint32_t entryCount;
+
+    enum {
+        // Additional flag indicating an entry is public.
+        SPEC_PUBLIC = 0x40000000
+    };
+};
+
+/**
+ * A collection of resource entries for a particular resource data
+ * type. Followed by an array of uint32_t defining the resource
+ * values, corresponding to the array of type strings in the
+ * ResTable_package::typeStrings string block. Each of these hold an
+ * index from entriesStart; a value of NO_ENTRY means that entry is
+ * not defined.
+ *
+ * There may be multiple of these chunks for a particular resource type,
+ * supply different configuration variations for the resource values of
+ * that type.
+ *
+ * It would be nice to have an additional ordered index of entries, so
+ * we can do a binary search if trying to find a resource by string name.
+ */
+struct ResTable_type
+{
+    struct ResChunk_header header;
+
+    enum {
+        NO_ENTRY = 0xFFFFFFFF
+    };
+    
+    // The type identifier this chunk is holding.  Type IDs start
+    // at 1 (corresponding to the value of the type bits in a
+    // resource identifier).  0 is invalid.
+    uint8_t id;
+    
+    // Must be 0.
+    uint8_t res0;
+    // Must be 0.
+    uint16_t res1;
+    
+    // Number of uint32_t entry indices that follow.
+    uint32_t entryCount;
+
+    // Offset from header where ResTable_entry data starts.
+    uint32_t entriesStart;
+    
+    // Configuration this collection of entries is designed for.
+    ResTable_config config;
+};
+
+/**
+ * This is the beginning of information about an entry in the resource
+ * table.  It holds the reference to the name of this entry, and is
+ * immediately followed by one of:
+ *   * A Res_value structure, if FLAG_COMPLEX is -not- set.
+ *   * An array of ResTable_map structures, if FLAG_COMPLEX is set.
+ *     These supply a set of name/value mappings of data.
+ */
+struct ResTable_entry
+{
+    // Number of bytes in this structure.
+    uint16_t size;
+
+    enum {
+        // If set, this is a complex entry, holding a set of name/value
+        // mappings.  It is followed by an array of ResTable_map structures.
+        FLAG_COMPLEX = 0x0001,
+        // If set, this resource has been declared public, so libraries
+        // are allowed to reference it.
+        FLAG_PUBLIC = 0x0002,
+        // If set, this is a weak resource and may be overriden by strong
+        // resources of the same name/type. This is only useful during
+        // linking with other resource tables.
+        FLAG_WEAK = 0x0004
+    };
+    uint16_t flags;
+    
+    // Reference into ResTable_package::keyStrings identifying this entry.
+    struct ResStringPool_ref key;
+};
+
+/**
+ * Extended form of a ResTable_entry for map entries, defining a parent map
+ * resource from which to inherit values.
+ */
+struct ResTable_map_entry : public ResTable_entry
+{
+    // Resource identifier of the parent mapping, or 0 if there is none.
+    // This is always treated as a TYPE_DYNAMIC_REFERENCE.
+    ResTable_ref parent;
+    // Number of name/value pairs that follow for FLAG_COMPLEX.
+    uint32_t count;
+};
+
+/**
+ * A single name/value mapping that is part of a complex resource
+ * entry.
+ */
+struct ResTable_map
+{
+    // The resource identifier defining this mapping's name.  For attribute
+    // resources, 'name' can be one of the following special resource types
+    // to supply meta-data about the attribute; for all other resource types
+    // it must be an attribute resource.
+    ResTable_ref name;
+
+    // Special values for 'name' when defining attribute resources.
+    enum {
+        // This entry holds the attribute's type code.
+        ATTR_TYPE = Res_MAKEINTERNAL(0),
+
+        // For integral attributes, this is the minimum value it can hold.
+        ATTR_MIN = Res_MAKEINTERNAL(1),
+
+        // For integral attributes, this is the maximum value it can hold.
+        ATTR_MAX = Res_MAKEINTERNAL(2),
+
+        // Localization of this resource is can be encouraged or required with
+        // an aapt flag if this is set
+        ATTR_L10N = Res_MAKEINTERNAL(3),
+
+        // for plural support, see android.content.res.PluralRules#attrForQuantity(int)
+        ATTR_OTHER = Res_MAKEINTERNAL(4),
+        ATTR_ZERO = Res_MAKEINTERNAL(5),
+        ATTR_ONE = Res_MAKEINTERNAL(6),
+        ATTR_TWO = Res_MAKEINTERNAL(7),
+        ATTR_FEW = Res_MAKEINTERNAL(8),
+        ATTR_MANY = Res_MAKEINTERNAL(9)
+        
+    };
+
+    // Bit mask of allowed types, for use with ATTR_TYPE.
+    enum {
+        // No type has been defined for this attribute, use generic
+        // type handling.  The low 16 bits are for types that can be
+        // handled generically; the upper 16 require additional information
+        // in the bag so can not be handled generically for TYPE_ANY.
+        TYPE_ANY = 0x0000FFFF,
+
+        // Attribute holds a references to another resource.
+        TYPE_REFERENCE = 1<<0,
+
+        // Attribute holds a generic string.
+        TYPE_STRING = 1<<1,
+
+        // Attribute holds an integer value.  ATTR_MIN and ATTR_MIN can
+        // optionally specify a constrained range of possible integer values.
+        TYPE_INTEGER = 1<<2,
+
+        // Attribute holds a boolean integer.
+        TYPE_BOOLEAN = 1<<3,
+
+        // Attribute holds a color value.
+        TYPE_COLOR = 1<<4,
+
+        // Attribute holds a floating point value.
+        TYPE_FLOAT = 1<<5,
+
+        // Attribute holds a dimension value, such as "20px".
+        TYPE_DIMENSION = 1<<6,
+
+        // Attribute holds a fraction value, such as "20%".
+        TYPE_FRACTION = 1<<7,
+
+        // Attribute holds an enumeration.  The enumeration values are
+        // supplied as additional entries in the map.
+        TYPE_ENUM = 1<<16,
+
+        // Attribute holds a bitmaks of flags.  The flag bit values are
+        // supplied as additional entries in the map.
+        TYPE_FLAGS = 1<<17
+    };
+
+    // Enum of localization modes, for use with ATTR_L10N.
+    enum {
+        L10N_NOT_REQUIRED = 0,
+        L10N_SUGGESTED    = 1
+    };
+    
+    // This mapping's value.
+    Res_value value;
+};
+
+/**
+ * A package-id to package name mapping for any shared libraries used
+ * in this resource table. The package-id's encoded in this resource
+ * table may be different than the id's assigned at runtime. We must
+ * be able to translate the package-id's based on the package name.
+ */
+struct ResTable_lib_header
+{
+    struct ResChunk_header header;
+
+    // The number of shared libraries linked in this resource table.
+    uint32_t count;
+};
+
+/**
+ * A shared library package-id to package name entry.
+ */
+struct ResTable_lib_entry
+{
+    // The package-id this shared library was assigned at build time.
+    // We use a uint32 to keep the structure aligned on a uint32 boundary.
+    uint32_t packageId;
+
+    // The package name of the shared library. \0 terminated.
+    uint16_t packageName[128];
+};
+
+/**
+ * Holds the shared library ID table. Shared libraries are assigned package IDs at
+ * build time, but they may be loaded in a different order, so we need to maintain
+ * a mapping of build-time package ID to run-time assigned package ID.
+ *
+ * Dynamic references are not currently supported in overlays. Only the base package
+ * may have dynamic references.
+ */
+class DynamicRefTable
+{
+public:
+    DynamicRefTable(uint8_t packageId, bool appAsLib);
+
+    // Loads an unmapped reference table from the package.
+    status_t load(const ResTable_lib_header* const header);
+
+    // Adds mappings from the other DynamicRefTable
+    status_t addMappings(const DynamicRefTable& other);
+
+    // Creates a mapping from build-time package ID to run-time package ID for
+    // the given package.
+    status_t addMapping(const String16& packageName, uint8_t packageId);
+
+    // Performs the actual conversion of build-time resource ID to run-time
+    // resource ID.
+    inline status_t lookupResourceId(uint32_t* resId) const;
+    inline status_t lookupResourceValue(Res_value* value) const;
+
+    inline const KeyedVector<String16, uint8_t>& entries() const {
+        return mEntries;
+    }
+
+private:
+    const uint8_t                   mAssignedPackageId;
+    uint8_t                         mLookupTable[256];
+    KeyedVector<String16, uint8_t>  mEntries;
+    bool                            mAppAsLib;
+};
+
+bool U16StringToInt(const char16_t* s, size_t len, Res_value* outValue);
+
+/**
+ * Convenience class for accessing data in a ResTable resource.
+ */
+class ResTable
+{
+public:
+    ResTable();
+    ResTable(const void* data, size_t size, const int32_t cookie,
+             bool copyData=false);
+    ~ResTable();
+
+    status_t add(const void* data, size_t size, const int32_t cookie=-1, bool copyData=false);
+    status_t add(const void* data, size_t size, const void* idmapData, size_t idmapDataSize,
+            const int32_t cookie=-1, bool copyData=false, bool appAsLib=false);
+
+    status_t add(Asset* asset, const int32_t cookie=-1, bool copyData=false);
+    status_t add(Asset* asset, Asset* idmapAsset, const int32_t cookie=-1, bool copyData=false,
+            bool appAsLib=false, bool isSystemAsset=false);
+
+    status_t add(ResTable* src, bool isSystemAsset=false);
+    status_t addEmpty(const int32_t cookie);
+
+    status_t getError() const;
+
+    void uninit();
+
+    struct resource_name
+    {
+        const char16_t* package;
+        size_t packageLen;
+        const char16_t* type;
+        const char* type8;
+        size_t typeLen;
+        const char16_t* name;
+        const char* name8;
+        size_t nameLen;
+    };
+
+    bool getResourceName(uint32_t resID, bool allowUtf8, resource_name* outName) const;
+
+    bool getResourceFlags(uint32_t resID, uint32_t* outFlags) const;
+
+    /**
+     * Retrieve the value of a resource.  If the resource is found, returns a
+     * value >= 0 indicating the table it is in (for use with
+     * getTableStringBlock() and getTableCookie()) and fills in 'outValue'.  If
+     * not found, returns a negative error code.
+     *
+     * Note that this function does not do reference traversal.  If you want
+     * to follow references to other resources to get the "real" value to
+     * use, you need to call resolveReference() after this function.
+     *
+     * @param resID The desired resoruce identifier.
+     * @param outValue Filled in with the resource data that was found.
+     *
+     * @return ssize_t Either a >= 0 table index or a negative error code.
+     */
+    ssize_t getResource(uint32_t resID, Res_value* outValue, bool mayBeBag = false,
+                    uint16_t density = 0,
+                    uint32_t* outSpecFlags = NULL,
+                    ResTable_config* outConfig = NULL) const;
+
+    inline ssize_t getResource(const ResTable_ref& res, Res_value* outValue,
+            uint32_t* outSpecFlags=NULL) const {
+        return getResource(res.ident, outValue, false, 0, outSpecFlags, NULL);
+    }
+
+    ssize_t resolveReference(Res_value* inOutValue,
+                             ssize_t blockIndex,
+                             uint32_t* outLastRef = NULL,
+                             uint32_t* inoutTypeSpecFlags = NULL,
+                             ResTable_config* outConfig = NULL) const;
+
+    enum {
+        TMP_BUFFER_SIZE = 16
+    };
+    const char16_t* valueToString(const Res_value* value, size_t stringBlock,
+                                  char16_t tmpBuffer[TMP_BUFFER_SIZE],
+                                  size_t* outLen) const;
+
+    struct bag_entry {
+        ssize_t stringBlock;
+        ResTable_map map;
+    };
+
+    /**
+     * Retrieve the bag of a resource.  If the resoruce is found, returns the
+     * number of bags it contains and 'outBag' points to an array of their
+     * values.  If not found, a negative error code is returned.
+     *
+     * Note that this function -does- do reference traversal of the bag data.
+     *
+     * @param resID The desired resource identifier.
+     * @param outBag Filled inm with a pointer to the bag mappings.
+     *
+     * @return ssize_t Either a >= 0 bag count of negative error code.
+     */
+    ssize_t lockBag(uint32_t resID, const bag_entry** outBag) const;
+
+    void unlockBag(const bag_entry* bag) const;
+
+    void lock() const;
+
+    ssize_t getBagLocked(uint32_t resID, const bag_entry** outBag,
+            uint32_t* outTypeSpecFlags=NULL) const;
+
+    void unlock() const;
+
+    class Theme {
+    public:
+        Theme(const ResTable& table);
+        ~Theme();
+
+        inline const ResTable& getResTable() const { return mTable; }
+
+        status_t applyStyle(uint32_t resID, bool force=false);
+        status_t setTo(const Theme& other);
+        status_t clear();
+
+        /**
+         * Retrieve a value in the theme.  If the theme defines this
+         * value, returns a value >= 0 indicating the table it is in
+         * (for use with getTableStringBlock() and getTableCookie) and
+         * fills in 'outValue'.  If not found, returns a negative error
+         * code.
+         *
+         * Note that this function does not do reference traversal.  If you want
+         * to follow references to other resources to get the "real" value to
+         * use, you need to call resolveReference() after this function.
+         *
+         * @param resID A resource identifier naming the desired theme
+         *              attribute.
+         * @param outValue Filled in with the theme value that was
+         *                 found.
+         *
+         * @return ssize_t Either a >= 0 table index or a negative error code.
+         */
+        ssize_t getAttribute(uint32_t resID, Res_value* outValue,
+                uint32_t* outTypeSpecFlags = NULL) const;
+
+        /**
+         * This is like ResTable::resolveReference(), but also takes
+         * care of resolving attribute references to the theme.
+         */
+        ssize_t resolveAttributeReference(Res_value* inOutValue,
+                ssize_t blockIndex, uint32_t* outLastRef = NULL,
+                uint32_t* inoutTypeSpecFlags = NULL,
+                ResTable_config* inoutConfig = NULL) const;
+
+        /**
+         * Returns a bit mask of configuration changes that will impact this
+         * theme (and thus require completely reloading it).
+         */
+        uint32_t getChangingConfigurations() const;
+
+        void dumpToLog() const;
+        
+    private:
+        Theme(const Theme&);
+        Theme& operator=(const Theme&);
+
+        struct theme_entry {
+            ssize_t stringBlock;
+            uint32_t typeSpecFlags;
+            Res_value value;
+        };
+
+        struct type_info {
+            size_t numEntries;
+            theme_entry* entries;
+        };
+
+        struct package_info {
+            type_info types[Res_MAXTYPE + 1];
+        };
+
+        void free_package(package_info* pi);
+        package_info* copy_package(package_info* pi);
+
+        const ResTable& mTable;
+        package_info*   mPackages[Res_MAXPACKAGE];
+        uint32_t        mTypeSpecFlags;
+    };
+
+    void setParameters(const ResTable_config* params);
+    void getParameters(ResTable_config* params) const;
+
+    // Retrieve an identifier (which can be passed to getResource)
+    // for a given resource name.  The 'name' can be fully qualified
+    // (<package>:<type>.<basename>) or the package or type components
+    // can be dropped if default values are supplied here.
+    //
+    // Returns 0 if no such resource was found, else a valid resource ID.
+    uint32_t identifierForName(const char16_t* name, size_t nameLen,
+                               const char16_t* type = 0, size_t typeLen = 0,
+                               const char16_t* defPackage = 0,
+                               size_t defPackageLen = 0,
+                               uint32_t* outTypeSpecFlags = NULL) const;
+
+    static bool expandResourceRef(const char16_t* refStr, size_t refLen,
+                                  String16* outPackage,
+                                  String16* outType,
+                                  String16* outName,
+                                  const String16* defType = NULL,
+                                  const String16* defPackage = NULL,
+                                  const char** outErrorMsg = NULL,
+                                  bool* outPublicOnly = NULL);
+
+    static bool stringToInt(const char16_t* s, size_t len, Res_value* outValue);
+    static bool stringToFloat(const char16_t* s, size_t len, Res_value* outValue);
+
+    // Used with stringToValue.
+    class Accessor
+    {
+    public:
+        inline virtual ~Accessor() { }
+
+        virtual const String16& getAssetsPackage() const = 0;
+
+        virtual uint32_t getCustomResource(const String16& package,
+                                           const String16& type,
+                                           const String16& name) const = 0;
+        virtual uint32_t getCustomResourceWithCreation(const String16& package,
+                                                       const String16& type,
+                                                       const String16& name,
+                                                       const bool createIfNeeded = false) = 0;
+        virtual uint32_t getRemappedPackage(uint32_t origPackage) const = 0;
+        virtual bool getAttributeType(uint32_t attrID, uint32_t* outType) = 0;
+        virtual bool getAttributeMin(uint32_t attrID, uint32_t* outMin) = 0;
+        virtual bool getAttributeMax(uint32_t attrID, uint32_t* outMax) = 0;
+        virtual bool getAttributeEnum(uint32_t attrID,
+                                      const char16_t* name, size_t nameLen,
+                                      Res_value* outValue) = 0;
+        virtual bool getAttributeFlags(uint32_t attrID,
+                                       const char16_t* name, size_t nameLen,
+                                       Res_value* outValue) = 0;
+        virtual uint32_t getAttributeL10N(uint32_t attrID) = 0;
+        virtual bool getLocalizationSetting() = 0;
+        virtual void reportError(void* accessorCookie, const char* fmt, ...) = 0;
+    };
+
+    // Convert a string to a resource value.  Handles standard "@res",
+    // "#color", "123", and "0x1bd" types; performs escaping of strings.
+    // The resulting value is placed in 'outValue'; if it is a string type,
+    // 'outString' receives the string.  If 'attrID' is supplied, the value is
+    // type checked against this attribute and it is used to perform enum
+    // evaluation.  If 'acccessor' is supplied, it will be used to attempt to
+    // resolve resources that do not exist in this ResTable.  If 'attrType' is
+    // supplied, the value will be type checked for this format if 'attrID'
+    // is not supplied or found.
+    bool stringToValue(Res_value* outValue, String16* outString,
+                       const char16_t* s, size_t len,
+                       bool preserveSpaces, bool coerceType,
+                       uint32_t attrID = 0,
+                       const String16* defType = NULL,
+                       const String16* defPackage = NULL,
+                       Accessor* accessor = NULL,
+                       void* accessorCookie = NULL,
+                       uint32_t attrType = ResTable_map::TYPE_ANY,
+                       bool enforcePrivate = true) const;
+
+    // Perform processing of escapes and quotes in a string.
+    static bool collectString(String16* outString,
+                              const char16_t* s, size_t len,
+                              bool preserveSpaces,
+                              const char** outErrorMsg = NULL,
+                              bool append = false);
+
+    size_t getBasePackageCount() const;
+    const String16 getBasePackageName(size_t idx) const;
+    uint32_t getBasePackageId(size_t idx) const;
+    uint32_t getLastTypeIdForPackage(size_t idx) const;
+
+    // Return the number of resource tables that the object contains.
+    size_t getTableCount() const;
+    // Return the values string pool for the resource table at the given
+    // index.  This string pool contains all of the strings for values
+    // contained in the resource table -- that is the item values themselves,
+    // but not the names their entries or types.
+    const ResStringPool* getTableStringBlock(size_t index) const;
+    // Return unique cookie identifier for the given resource table.
+    int32_t getTableCookie(size_t index) const;
+
+    const DynamicRefTable* getDynamicRefTableForCookie(int32_t cookie) const;
+
+    // Return the configurations (ResTable_config) that we know about
+    void getConfigurations(Vector<ResTable_config>* configs, bool ignoreMipmap=false,
+            bool ignoreAndroidPackage=false, bool includeSystemConfigs=true) const;
+
+    void getLocales(Vector<String8>* locales, bool includeSystemLocales=true) const;
+
+    // Generate an idmap.
+    //
+    // 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 targetCrc, uint32_t overlayCrc,
+            const char* targetPath, const char* overlayPath,
+            void** outData, size_t* outSize) const;
+
+    static const size_t IDMAP_HEADER_SIZE_BYTES = 4 * sizeof(uint32_t) + 2 * 256;
+
+    // Retrieve idmap meta-data.
+    //
+    // 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* pVersion,
+            uint32_t* pTargetCrc, uint32_t* pOverlayCrc,
+            String8* pTargetPath, String8* pOverlayPath);
+
+    void print(bool inclValues) const;
+    static String8 normalizeForOutput(const char* input);
+
+private:
+    struct Header;
+    struct Type;
+    struct Entry;
+    struct Package;
+    struct PackageGroup;
+    typedef Vector<Type*> TypeList;
+
+    struct bag_set {
+        size_t numAttrs;    // number in array
+        size_t availAttrs;  // total space in array
+        uint32_t typeSpecFlags;
+        // Followed by 'numAttr' bag_entry structures.
+    };
+
+    /**
+     * Configuration dependent cached data. This must be cleared when the configuration is
+     * changed (setParameters).
+     */
+    struct TypeCacheEntry {
+        TypeCacheEntry() : cachedBags(NULL) {}
+
+        // Computed attribute bags for this type.
+        bag_set** cachedBags;
+
+        // Pre-filtered list of configurations (per asset path) that match the parameters set on this
+        // ResTable.
+        Vector<std::shared_ptr<Vector<const ResTable_type*>>> filteredConfigs;
+    };
+
+    status_t addInternal(const void* data, size_t size, const void* idmapData, size_t idmapDataSize,
+            bool appAsLib, const int32_t cookie, bool copyData, bool isSystemAsset=false);
+
+    ssize_t getResourcePackageIndex(uint32_t resID) const;
+
+    status_t getEntry(
+        const PackageGroup* packageGroup, int typeIndex, int entryIndex,
+        const ResTable_config* config,
+        Entry* outEntry) const;
+
+    uint32_t findEntry(const PackageGroup* group, ssize_t typeIndex, const char16_t* name,
+            size_t nameLen, uint32_t* outTypeSpecFlags) const;
+
+    status_t parsePackage(
+        const ResTable_package* const pkg, const Header* const header,
+        bool appAsLib, bool isSystemAsset);
+
+    void print_value(const Package* pkg, const Res_value& value) const;
+
+    template <typename Func>
+    void forEachConfiguration(bool ignoreMipmap, bool ignoreAndroidPackage,
+                              bool includeSystemConfigs, const Func& f) const;
+
+    mutable Mutex               mLock;
+
+    // Mutex that controls access to the list of pre-filtered configurations
+    // to check when looking up entries.
+    // When iterating over a bag, the mLock mutex is locked. While mLock is locked,
+    // we do resource lookups.
+    // Mutex is not reentrant, so we must use a different lock than mLock.
+    mutable Mutex               mFilteredConfigLock;
+
+    status_t                    mError;
+
+    ResTable_config             mParams;
+
+    // Array of all resource tables.
+    Vector<Header*>             mHeaders;
+
+    // Array of packages in all resource tables.
+    Vector<PackageGroup*>       mPackageGroups;
+
+    // Mapping from resource package IDs to indices into the internal
+    // package array.
+    uint8_t                     mPackageMap[256];
+
+    uint8_t                     mNextPackageId;
+};
+
+}   // namespace android
+
+#endif // _LIBS_UTILS_RESOURCE_TYPES_H
diff --git a/libs/androidfw/include/androidfw/StreamingZipInflater.h b/libs/androidfw/include/androidfw/StreamingZipInflater.h
new file mode 100644
index 000000000000..3ace5d5a83cf
--- /dev/null
+++ b/libs/androidfw/include/androidfw/StreamingZipInflater.h
@@ -0,0 +1,84 @@
+/*
+ * Copyright (C) 2010 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __LIBS_STREAMINGZIPINFLATER_H
+#define __LIBS_STREAMINGZIPINFLATER_H
+
+#include <unistd.h>
+#include <inttypes.h>
+#include <zlib.h>
+
+#include <utils/Compat.h>
+
+namespace android {
+
+class StreamingZipInflater {
+public:
+    static const size_t INPUT_CHUNK_SIZE = 64 * 1024;
+    static const size_t OUTPUT_CHUNK_SIZE = 64 * 1024;
+
+    // Flavor that pages in the compressed data from a fd
+    StreamingZipInflater(int fd, off64_t compDataStart, size_t uncompSize, size_t compSize);
+
+    // Flavor that gets the compressed data from an in-memory buffer
+    StreamingZipInflater(class FileMap* dataMap, size_t uncompSize);
+
+    ~StreamingZipInflater();
+
+    // read 'count' bytes of uncompressed data from the current position.  outBuf may
+    // be NULL, in which case the data is consumed and discarded.
+    ssize_t read(void* outBuf, size_t count);
+
+    // seeking backwards requires uncompressing fom the beginning, so is very
+    // expensive.  seeking forwards only requires uncompressing from the current
+    // position to the destination.
+    off64_t seekAbsolute(off64_t absoluteInputPosition);
+
+private:
+    void initInflateState();
+    int readNextChunk();
+
+    // where to find the uncompressed data
+    int mFd;
+    off64_t mInFileStart;         // where the compressed data lives in the file
+    class FileMap* mDataMap;
+
+    z_stream mInflateState;
+    bool mStreamNeedsInit;
+
+    // output invariants for this asset
+    uint8_t* mOutBuf;           // output buf for decompressed bytes
+    size_t mOutBufSize;         // allocated size of mOutBuf
+    size_t mOutTotalSize;       // total uncompressed size of the blob
+
+    // current output state bookkeeping
+    off64_t mOutCurPosition;      // current position in total offset
+    size_t mOutLastDecoded;     // last decoded byte + 1 in mOutbuf
+    size_t mOutDeliverable;     // next undelivered byte of decoded output in mOutBuf
+
+    // input invariants
+    uint8_t* mInBuf;
+    size_t mInBufSize;          // allocated size of mInBuf;
+    size_t mInTotalSize;        // total size of compressed data for this blob
+
+    // input state bookkeeping
+    size_t mInNextChunkOffset;  // offset from start of blob at which the next input chunk lies
+    // the z_stream contains state about input block consumption
+};
+
+}
+
+#endif
diff --git a/libs/androidfw/include/androidfw/TypeWrappers.h b/libs/androidfw/include/androidfw/TypeWrappers.h
new file mode 100644
index 000000000000..fd848736d2d6
--- /dev/null
+++ b/libs/androidfw/include/androidfw/TypeWrappers.h
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef __TYPE_WRAPPERS_H
+#define __TYPE_WRAPPERS_H
+
+#include <androidfw/ResourceTypes.h>
+
+namespace android {
+
+struct TypeVariant {
+    TypeVariant(const ResTable_type* data)
+        : data(data) {}
+
+    class iterator {
+    public:
+        iterator& operator=(const iterator& rhs) {
+            mTypeVariant = rhs.mTypeVariant;
+            mIndex = rhs.mIndex;
+            return *this;
+        }
+
+        bool operator==(const iterator& rhs) const {
+            return mTypeVariant == rhs.mTypeVariant && mIndex == rhs.mIndex;
+        }
+
+        bool operator!=(const iterator& rhs) const {
+            return mTypeVariant != rhs.mTypeVariant || mIndex != rhs.mIndex;
+        }
+
+        iterator operator++(int) {
+            uint32_t prevIndex = mIndex;
+            operator++();
+            return iterator(mTypeVariant, prevIndex);
+        }
+
+        const ResTable_entry* operator->() const {
+            return operator*();
+        }
+
+        uint32_t index() const {
+            return mIndex;
+        }
+
+        iterator& operator++();
+        const ResTable_entry* operator*() const;
+
+    private:
+        friend struct TypeVariant;
+        iterator(const TypeVariant* tv, uint32_t index)
+            : mTypeVariant(tv), mIndex(index) {}
+        const TypeVariant* mTypeVariant;
+        uint32_t mIndex;
+    };
+
+    iterator beginEntries() const {
+        return iterator(this, 0);
+    }
+
+    iterator endEntries() const {
+        return iterator(this, dtohl(data->entryCount));
+    }
+
+    const ResTable_type* data;
+};
+
+} // namespace android
+
+#endif // __TYPE_WRAPPERS_H
diff --git a/libs/androidfw/include/androidfw/ZipFileRO.h b/libs/androidfw/include/androidfw/ZipFileRO.h
new file mode 100644
index 000000000000..768034287afa
--- /dev/null
+++ b/libs/androidfw/include/androidfw/ZipFileRO.h
@@ -0,0 +1,173 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+/*
+ * Read-only access to Zip archives, with minimal heap allocation.
+ *
+ * This is similar to the more-complete ZipFile class, but no attempt
+ * has been made to make them interchangeable.  This class operates under
+ * a very different set of assumptions and constraints.
+ *
+ * One such assumption is that if you're getting file descriptors for
+ * use with this class as a child of a fork() operation, you must be on
+ * a pread() to guarantee correct operation. This is because pread() can
+ * atomically read at a file offset without worrying about a lock around an
+ * lseek() + read() pair.
+ */
+#ifndef __LIBS_ZIPFILERO_H
+#define __LIBS_ZIPFILERO_H
+
+#include <utils/Compat.h>
+#include <utils/Errors.h>
+#include <utils/FileMap.h>
+#include <utils/threads.h>
+
+#include <stdint.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <time.h>
+
+typedef void* ZipArchiveHandle;
+
+namespace android {
+
+/*
+ * Trivial typedef to ensure that ZipEntryRO is not treated as a simple
+ * integer.  We use NULL to indicate an invalid value.
+ */
+typedef void* ZipEntryRO;
+
+/*
+ * Open a Zip archive for reading.
+ *
+ * Implemented as a thin wrapper over system/core/libziparchive.
+ *
+ * "open" and "find entry by name" are fast operations and use as little
+ * memory as possible.
+ *
+ * We also support fast iteration over all entries in the file (with a
+ * stable, but unspecified iteration order).
+ *
+ * NOTE: If this is used on file descriptors inherited from a fork() operation,
+ * you must be on a platform that implements pread() to guarantee correctness
+ * on the shared file descriptors.
+ */
+class ZipFileRO {
+public:
+    /* Zip compression methods we support */
+    enum : uint16_t {
+        kCompressStored = 0,
+        kCompressDeflated = 8
+    };
+
+    /*
+     * Open an archive.
+     */
+    static ZipFileRO* open(const char* zipFileName);
+
+    /*
+     * Find an entry, by name.  Returns the entry identifier, or NULL if
+     * not found.
+     */
+    ZipEntryRO findEntryByName(const char* entryName) const;
+
+
+    /*
+     * Start iterating over the list of entries in the zip file. Requires
+     * a matching call to endIteration with the same cookie.
+     */
+    bool startIteration(void** cookie);
+    bool startIteration(void** cookie, const char* prefix, const char* suffix);
+
+    /**
+     * Return the next entry in iteration order, or NULL if there are no more
+     * entries in this archive.
+     */
+    ZipEntryRO nextEntry(void* cookie);
+
+    void endIteration(void* cookie);
+
+    void releaseEntry(ZipEntryRO entry) const;
+
+    /*
+     * Return the #of entries in the Zip archive.
+     */
+    int getNumEntries();
+
+    /*
+     * Copy the filename into the supplied buffer.  Returns 0 on success,
+     * -1 if "entry" is invalid, or the filename length if it didn't fit. The
+     * length, and the returned string, include the null-termination.
+     */
+    int getEntryFileName(ZipEntryRO entry, char* buffer, size_t bufLen) const;
+
+    /*
+     * Get the vital stats for an entry.  Pass in NULL pointers for anything
+     * you don't need.
+     *
+     * "*pOffset" holds the Zip file offset of the entry's data.
+     *
+     * Returns "false" if "entry" is bogus or if the data in the Zip file
+     * appears to be bad.
+     */
+    bool getEntryInfo(ZipEntryRO entry, uint16_t* pMethod, uint32_t* pUncompLen,
+        uint32_t* pCompLen, off64_t* pOffset, uint32_t* pModWhen,
+        uint32_t* pCrc32) const;
+
+    /*
+     * Create a new FileMap object that maps a subset of the archive.  For
+     * an uncompressed entry this effectively provides a pointer to the
+     * actual data, for a compressed entry this provides the input buffer
+     * for inflate().
+     */
+    FileMap* createEntryFileMap(ZipEntryRO entry) const;
+
+    /*
+     * Uncompress the data into a buffer.  Depending on the compression
+     * format, this is either an "inflate" operation or a memcpy.
+     *
+     * Use "uncompLen" from getEntryInfo() to determine the required
+     * buffer size.
+     *
+     * Returns "true" on success.
+     */
+    bool uncompressEntry(ZipEntryRO entry, void* buffer, size_t size) const;
+
+    /*
+     * Uncompress the data to an open file descriptor.
+     */
+    bool uncompressEntry(ZipEntryRO entry, int fd) const;
+
+    ~ZipFileRO();
+
+private:
+    /* these are private and not defined */
+    ZipFileRO(const ZipFileRO& src);
+    ZipFileRO& operator=(const ZipFileRO& src);
+
+    ZipFileRO(ZipArchiveHandle handle, char* fileName) : mHandle(handle),
+        mFileName(fileName)
+    {
+    }
+
+    const ZipArchiveHandle mHandle;
+    char* mFileName;
+};
+
+}; // namespace android
+
+#endif /*__LIBS_ZIPFILERO_H*/
diff --git a/libs/androidfw/include/androidfw/ZipUtils.h b/libs/androidfw/include/androidfw/ZipUtils.h
new file mode 100644
index 000000000000..55575d774522
--- /dev/null
+++ b/libs/androidfw/include/androidfw/ZipUtils.h
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+//
+// Miscellaneous zip/gzip utility functions.
+//
+#ifndef __LIBS_ZIPUTILS_H
+#define __LIBS_ZIPUTILS_H
+
+#include <stdint.h>
+#include <string.h>
+#include <stdio.h>
+#include <time.h>
+
+namespace android {
+
+/*
+ * Container class for utility functions, primarily for namespace reasons.
+ */
+class ZipUtils {
+public:
+    /*
+     * General utility function for uncompressing "deflate" data from a file
+     * to a buffer.
+     */
+    static bool inflateToBuffer(FILE* fp, void* buf, long uncompressedLen,
+        long compressedLen);
+    static bool inflateToBuffer(int fd, void* buf, long uncompressedLen,
+        long compressedLen);
+    static bool inflateToBuffer(void *in, void* buf, long uncompressedLen,
+        long compressedLen);
+
+    /*
+     * Someday we might want to make this generic and handle bzip2 ".bz2"
+     * files too.
+     *
+     * We could declare gzip to be a sub-class of zip that has exactly
+     * one always-compressed entry, but we currently want to treat Zip
+     * and gzip as distinct, so there's no value.
+     *
+     * The zlib library has some gzip utilities, but it has no interface
+     * for extracting the uncompressed length of the file (you do *not*
+     * want to gzseek to the end).
+     *
+     * Pass in a seeked file pointer for the gzip file.  If this is a gzip
+     * file, we set our return values appropriately and return "true" with
+     * the file seeked to the start of the compressed data.
+     */
+    static bool examineGzip(FILE* fp, int* pCompressionMethod,
+        long* pUncompressedLen, long* pCompressedLen, unsigned long* pCRC32);
+
+    /*
+     * Utility function to convert ZIP's time format to a timespec struct.
+     *
+     * NOTE: this method will clear all existing state from |timespec|.
+     */
+    static inline void zipTimeToTimespec(uint32_t when, struct tm* timespec) {
+        const uint32_t date = when >> 16;
+
+        memset(timespec, 0, sizeof(struct tm));
+        timespec->tm_year = ((date >> 9) & 0x7F) + 80; // Zip is years since 1980
+        timespec->tm_mon = ((date >> 5) & 0x0F) - 1;
+        timespec->tm_mday = date & 0x1F;
+
+        timespec->tm_hour = (when >> 11) & 0x1F;
+        timespec->tm_min = (when >> 5) & 0x3F;
+        timespec->tm_sec = (when & 0x1F) << 1;
+        timespec->tm_isdst = -1;
+    }
+private:
+    ZipUtils() {}
+    ~ZipUtils() {}
+};
+
+}; // namespace android
+
+#endif /*__LIBS_ZIPUTILS_H*/
diff --git a/libs/androidfw/include/androidfw/misc.h b/libs/androidfw/include/androidfw/misc.h
new file mode 100644
index 000000000000..5a5a0e29125d
--- /dev/null
+++ b/libs/androidfw/include/androidfw/misc.h
@@ -0,0 +1,49 @@
+/*
+ * Copyright (C) 2005 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include <sys/types.h>
+
+//
+// Handy utility functions and portability code.
+//
+#ifndef _LIBS_ANDROID_FW_MISC_H
+#define _LIBS_ANDROID_FW_MISC_H
+
+namespace android {
+
+/*
+ * Some utility functions for working with files.  These could be made
+ * part of a "File" class.
+ */
+typedef enum FileType {
+    kFileTypeUnknown = 0,
+    kFileTypeNonexistent,       // i.e. ENOENT
+    kFileTypeRegular,
+    kFileTypeDirectory,
+    kFileTypeCharDev,
+    kFileTypeBlockDev,
+    kFileTypeFifo,
+    kFileTypeSymlink,
+    kFileTypeSocket,
+} FileType;
+/* get the file's type; follows symlinks */
+FileType getFileType(const char* fileName);
+/* get the file's modification date; returns -1 w/errno set on failure */
+time_t getFileModDate(const char* fileName);
+
+}; // namespace android
+
+#endif // _LIBS_ANDROID_FW_MISC_H