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-rw-r--r--libs/androidfw/ZipFileRO.cpp249
1 files changed, 0 insertions, 249 deletions
diff --git a/libs/androidfw/ZipFileRO.cpp b/libs/androidfw/ZipFileRO.cpp
deleted file mode 100644
index 1ab18ad..0000000
--- a/libs/androidfw/ZipFileRO.cpp
+++ /dev/null
@@ -1,249 +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.
-//
-#define LOG_TAG "zipro"
-//#define LOG_NDEBUG 0
-#include <androidfw/ZipFileRO.h>
-#include <utils/Log.h>
-#include <utils/Compat.h>
-#include <utils/misc.h>
-#include <utils/threads.h>
-#include <ziparchive/zip_archive.h>
-
-#include <zlib.h>
-
-#include <string.h>
-#include <fcntl.h>
-#include <errno.h>
-#include <assert.h>
-#include <unistd.h>
-
-/*
- * We must open binary files using open(path, ... | O_BINARY) under Windows.
- * Otherwise strange read errors will happen.
- */
-#ifndef O_BINARY
-# define O_BINARY 0
-#endif
-
-using namespace android;
-
-class _ZipEntryRO {
-public:
- ZipEntry entry;
- ZipEntryName name;
- void *cookie;
-
- _ZipEntryRO() : cookie(NULL) {
- }
-
-private:
- _ZipEntryRO(const _ZipEntryRO& other);
- _ZipEntryRO& operator=(const _ZipEntryRO& other);
-};
-
-ZipFileRO::~ZipFileRO() {
- CloseArchive(mHandle);
- free(mFileName);
-}
-
-/*
- * Open the specified file read-only. We memory-map the entire thing and
- * close the file before returning.
- */
-/* static */ ZipFileRO* ZipFileRO::open(const char* zipFileName)
-{
- ZipArchiveHandle handle;
- const int32_t error = OpenArchive(zipFileName, &handle);
- if (error) {
- ALOGW("Error opening archive %s: %s", zipFileName, ErrorCodeString(error));
- return NULL;
- }
-
- return new ZipFileRO(handle, strdup(zipFileName));
-}
-
-
-ZipEntryRO ZipFileRO::findEntryByName(const char* entryName) const
-{
- _ZipEntryRO* data = new _ZipEntryRO;
- const int32_t error = FindEntry(mHandle, entryName, &(data->entry));
- if (error) {
- delete data;
- return NULL;
- }
-
- data->name.name = entryName;
- data->name.name_length = strlen(entryName);
-
- return (ZipEntryRO) data;
-}
-
-/*
- * Get the useful fields from the zip entry.
- *
- * Returns "false" if the offsets to the fields or the contents of the fields
- * appear to be bogus.
- */
-bool ZipFileRO::getEntryInfo(ZipEntryRO entry, int* pMethod, size_t* pUncompLen,
- size_t* pCompLen, off64_t* pOffset, long* pModWhen, long* pCrc32) const
-{
- const _ZipEntryRO* zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
- const ZipEntry& ze = zipEntry->entry;
-
- if (pMethod != NULL) {
- *pMethod = ze.method;
- }
- if (pUncompLen != NULL) {
- *pUncompLen = ze.uncompressed_length;
- }
- if (pCompLen != NULL) {
- *pCompLen = ze.compressed_length;
- }
- if (pOffset != NULL) {
- *pOffset = ze.offset;
- }
- if (pModWhen != NULL) {
- *pModWhen = ze.mod_time;
- }
- if (pCrc32 != NULL) {
- *pCrc32 = ze.crc32;
- }
-
- return true;
-}
-
-bool ZipFileRO::startIteration(void** cookie)
-{
- _ZipEntryRO* ze = new _ZipEntryRO;
- int32_t error = StartIteration(mHandle, &(ze->cookie), NULL /* prefix */);
- if (error) {
- ALOGW("Could not start iteration over %s: %s", mFileName, ErrorCodeString(error));
- delete ze;
- return false;
- }
-
- *cookie = ze;
- return true;
-}
-
-ZipEntryRO ZipFileRO::nextEntry(void* cookie)
-{
- _ZipEntryRO* ze = reinterpret_cast<_ZipEntryRO*>(cookie);
- int32_t error = Next(ze->cookie, &(ze->entry), &(ze->name));
- if (error) {
- if (error != -1) {
- ALOGW("Error iteration over %s: %s", mFileName, ErrorCodeString(error));
- }
- return NULL;
- }
-
- return &(ze->entry);
-}
-
-void ZipFileRO::endIteration(void* cookie)
-{
- delete reinterpret_cast<_ZipEntryRO*>(cookie);
-}
-
-void ZipFileRO::releaseEntry(ZipEntryRO entry) const
-{
- delete reinterpret_cast<_ZipEntryRO*>(entry);
-}
-
-/*
- * Copy the entry's filename to the buffer.
- */
-int ZipFileRO::getEntryFileName(ZipEntryRO entry, char* buffer, int bufLen)
- const
-{
- const _ZipEntryRO* zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
- const uint16_t requiredSize = zipEntry->name.name_length + 1;
-
- if (bufLen < requiredSize) {
- ALOGW("Buffer too short, requires %d bytes for entry name", requiredSize);
- return requiredSize;
- }
-
- memcpy(buffer, zipEntry->name.name, requiredSize - 1);
- buffer[requiredSize - 1] = '\0';
-
- return 0;
-}
-
-/*
- * Create a new FileMap object that spans the data in "entry".
- */
-FileMap* ZipFileRO::createEntryFileMap(ZipEntryRO entry) const
-{
- const _ZipEntryRO *zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
- const ZipEntry& ze = zipEntry->entry;
- int fd = GetFileDescriptor(mHandle);
- size_t actualLen = 0;
-
- if (ze.method == kCompressStored) {
- actualLen = ze.uncompressed_length;
- } else {
- actualLen = ze.compressed_length;
- }
-
- FileMap* newMap = new FileMap();
- if (!newMap->create(mFileName, fd, ze.offset, actualLen, true)) {
- newMap->release();
- return NULL;
- }
-
- return newMap;
-}
-
-/*
- * Uncompress an entry, in its entirety, into the provided output buffer.
- *
- * This doesn't verify the data's CRC, which might be useful for
- * uncompressed data. The caller should be able to manage it.
- */
-bool ZipFileRO::uncompressEntry(ZipEntryRO entry, void* buffer, size_t size) const
-{
- _ZipEntryRO *zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
- const int32_t error = ExtractToMemory(mHandle, &(zipEntry->entry),
- (uint8_t*) buffer, size);
- if (error) {
- ALOGW("ExtractToMemory failed with %s", ErrorCodeString(error));
- return false;
- }
-
- return true;
-}
-
-/*
- * Uncompress an entry, in its entirety, to an open file descriptor.
- *
- * This doesn't verify the data's CRC, but probably should.
- */
-bool ZipFileRO::uncompressEntry(ZipEntryRO entry, int fd) const
-{
- _ZipEntryRO *zipEntry = reinterpret_cast<_ZipEntryRO*>(entry);
- const int32_t error = ExtractEntryToFile(mHandle, &(zipEntry->entry), fd);
- if (error) {
- ALOGW("ExtractToMemory failed with %s", ErrorCodeString(error));
- return false;
- }
-
- return true;
-}