frameworks/base: move Zip* from libandroidfw to libutils
ZipUtils is needed by build/tools, move it from libandroidfw
(frameworks/base) to libutils (frameworks/native).
Change-Id: I2b4b7adcdf68eb25ee7cba5dd3b69eadf0523af3
diff --git a/include/androidfw/AssetManager.h b/include/androidfw/AssetManager.h
index d95b45e..d153c31 100644
--- a/include/androidfw/AssetManager.h
+++ b/include/androidfw/AssetManager.h
@@ -22,13 +22,13 @@
#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>
+#include <utils/ZipFileRO.h>
/*
* Native-app access is via the opaque typedef struct AAssetManager in the C namespace.
diff --git a/include/androidfw/ZipFileCRO.h b/include/androidfw/ZipFileCRO.h
deleted file mode 100644
index 3e42a95..0000000
--- a/include/androidfw/ZipFileCRO.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Copyright (C) 2008 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.
- */
-
-//
-// C API for ead-only access to Zip archives, with minimal heap allocation.
-//
-#ifndef __LIBS_ZIPFILECRO_H
-#define __LIBS_ZIPFILECRO_H
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-
-#include <utils/Compat.h>
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * Trivial typedef to ensure that ZipFileCRO is not treated as a simple integer.
- */
-typedef void* ZipFileCRO;
-
-/*
- * Trivial typedef to ensure that ZipEntryCRO is not treated as a simple
- * integer. We use NULL to indicate an invalid value.
- */
-typedef void* ZipEntryCRO;
-
-extern ZipFileCRO ZipFileXRO_open(const char* path);
-
-extern void ZipFileCRO_destroy(ZipFileCRO zip);
-
-extern ZipEntryCRO ZipFileCRO_findEntryByName(ZipFileCRO zip,
- const char* fileName);
-
-extern bool ZipFileCRO_getEntryInfo(ZipFileCRO zip, ZipEntryCRO entry,
- int* pMethod, size_t* pUncompLen,
- size_t* pCompLen, off64_t* pOffset, long* pModWhen, long* pCrc32);
-
-extern bool ZipFileCRO_uncompressEntry(ZipFileCRO zip, ZipEntryCRO entry, int fd);
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /*__LIBS_ZIPFILECRO_H*/
diff --git a/include/androidfw/ZipFileRO.h b/include/androidfw/ZipFileRO.h
deleted file mode 100644
index 547e36a..0000000
--- a/include/androidfw/ZipFileRO.h
+++ /dev/null
@@ -1,262 +0,0 @@
-/*
- * 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 <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <time.h>
-
-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.
- *
- * We want "open" and "find entry by name" to be fast operations, and we
- * want to use as little memory as possible. We memory-map the file,
- * and load a hash table with pointers to the filenames (which aren't
- * null-terminated). The other fields are at a fixed offset from the
- * filename, so we don't need to extract those (but we do need to byte-read
- * and endian-swap them every time we want them).
- *
- * To speed comparisons when doing a lookup by name, we could make the mapping
- * "private" (copy-on-write) and null-terminate the filenames after verifying
- * the record structure. However, this requires a private mapping of
- * every page that the Central Directory touches. Easier to tuck a copy
- * of the string length into the hash table entry.
- *
- * 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:
- ZipFileRO()
- : mFd(-1), mFileName(NULL), mFileLength(-1),
- mDirectoryMap(NULL),
- mNumEntries(-1), mDirectoryOffset(-1),
- mHashTableSize(-1), mHashTable(NULL)
- {}
-
- ~ZipFileRO();
-
- /*
- * Open an archive.
- */
- status_t open(const char* zipFileName);
-
- /*
- * Find an entry, by name. Returns the entry identifier, or NULL if
- * not found.
- *
- * If two entries have the same name, one will be chosen at semi-random.
- */
- ZipEntryRO findEntryByName(const char* fileName) const;
-
- /*
- * Return the #of entries in the Zip archive.
- */
- int getNumEntries(void) const {
- return mNumEntries;
- }
-
- /*
- * Return the Nth entry. Zip file entries are not stored in sorted
- * order, and updated entries may appear at the end, so anyone walking
- * the archive needs to avoid making ordering assumptions. We take
- * that further by returning the Nth non-empty entry in the hash table
- * rather than the Nth entry in the archive.
- *
- * Valid values are [0..numEntries).
- *
- * [This is currently O(n). If it needs to be fast we can allocate an
- * additional data structure or provide an iterator interface.]
- */
- ZipEntryRO findEntryByIndex(int idx) const;
-
- /*
- * 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, int 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, int* pMethod, size_t* pUncompLen,
- size_t* pCompLen, off64_t* pOffset, long* pModWhen, long* 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) const;
-
- /*
- * Uncompress the data to an open file descriptor.
- */
- bool uncompressEntry(ZipEntryRO entry, int fd) const;
-
- /* Zip compression methods we support */
- enum {
- kCompressStored = 0, // no compression
- kCompressDeflated = 8, // standard deflate
- };
-
- /*
- * Utility function: uncompress deflated data, buffer to buffer.
- */
- static bool inflateBuffer(void* outBuf, const void* inBuf,
- size_t uncompLen, size_t compLen);
-
- /*
- * Utility function: uncompress deflated data, buffer to fd.
- */
- static bool inflateBuffer(int fd, const void* inBuf,
- size_t uncompLen, size_t compLen);
-
- /*
- * Utility function to convert ZIP's time format to a timespec struct.
- */
- static inline void zipTimeToTimespec(long when, struct tm* timespec) {
- const long date = when >> 16;
- timespec->tm_year = ((date >> 9) & 0x7F) + 80; // Zip is years since 1980
- timespec->tm_mon = (date >> 5) & 0x0F;
- timespec->tm_mday = date & 0x1F;
-
- timespec->tm_hour = (when >> 11) & 0x1F;
- timespec->tm_min = (when >> 5) & 0x3F;
- timespec->tm_sec = (when & 0x1F) << 1;
- }
-
- /*
- * Some basic functions for raw data manipulation. "LE" means
- * Little Endian.
- */
- static inline unsigned short get2LE(const unsigned char* buf) {
- return buf[0] | (buf[1] << 8);
- }
- static inline unsigned long get4LE(const unsigned char* buf) {
- return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24);
- }
-
-private:
- /* these are private and not defined */
- ZipFileRO(const ZipFileRO& src);
- ZipFileRO& operator=(const ZipFileRO& src);
-
- /* locate and parse the central directory */
- bool mapCentralDirectory(void);
-
- /* parse the archive, prepping internal structures */
- bool parseZipArchive(void);
-
- /* add a new entry to the hash table */
- void addToHash(const char* str, int strLen, unsigned int hash);
-
- /* compute string hash code */
- static unsigned int computeHash(const char* str, int len);
-
- /* convert a ZipEntryRO back to a hash table index */
- int entryToIndex(const ZipEntryRO entry) const;
-
- /*
- * One entry in the hash table.
- */
- typedef struct HashEntry {
- const char* name;
- unsigned short nameLen;
- //unsigned int hash;
- } HashEntry;
-
- /* open Zip archive */
- int mFd;
-
- /* Lock for handling the file descriptor (seeks, etc) */
- mutable Mutex mFdLock;
-
- /* zip file name */
- char* mFileName;
-
- /* length of file */
- size_t mFileLength;
-
- /* mapped file */
- FileMap* mDirectoryMap;
-
- /* number of entries in the Zip archive */
- int mNumEntries;
-
- /* CD directory offset in the Zip archive */
- off64_t mDirectoryOffset;
-
- /*
- * We know how many entries are in the Zip archive, so we have a
- * fixed-size hash table. We probe for an empty slot.
- */
- int mHashTableSize;
- HashEntry* mHashTable;
-};
-
-}; // namespace android
-
-#endif /*__LIBS_ZIPFILERO_H*/
diff --git a/include/androidfw/ZipUtils.h b/include/androidfw/ZipUtils.h
deleted file mode 100644
index 42c42b6..0000000
--- a/include/androidfw/ZipUtils.h
+++ /dev/null
@@ -1,67 +0,0 @@
-/*
- * 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 <stdio.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(int fd, void* buf, long uncompressedLen,
- long compressedLen);
- static bool inflateToBuffer(FILE* fp, 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);
-
-private:
- ZipUtils() {}
- ~ZipUtils() {}
-};
-
-}; // namespace android
-
-#endif /*__LIBS_ZIPUTILS_H*/