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author | Mike Lockwood <lockwood@google.com> | 2013-08-28 09:44:17 -0700 |
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committer | Mike Lockwood <lockwood@google.com> | 2013-08-28 09:44:17 -0700 |
commit | 9f6a119c8aa276432ece4fe2118bd8a3c9b1067e (patch) | |
tree | 1391656f9ad624aa99d4c7d2880d38121801a424 /tools/aapt/ZipEntry.h | |
parent | 647b6f5ed276bf93d95e5801e5e8af2802ef5fbb (diff) | |
download | frameworks_base-9f6a119c8aa276432ece4fe2118bd8a3c9b1067e.zip frameworks_base-9f6a119c8aa276432ece4fe2118bd8a3c9b1067e.tar.gz frameworks_base-9f6a119c8aa276432ece4fe2118bd8a3c9b1067e.tar.bz2 |
Move frameworks/base/tools/ to frameworks/tools/
Change-Id: I3ffafdab27cc4aca256c3a5806b630795b75d5c8
Diffstat (limited to 'tools/aapt/ZipEntry.h')
-rw-r--r-- | tools/aapt/ZipEntry.h | 345 |
1 files changed, 0 insertions, 345 deletions
diff --git a/tools/aapt/ZipEntry.h b/tools/aapt/ZipEntry.h deleted file mode 100644 index c2f3227..0000000 --- a/tools/aapt/ZipEntry.h +++ /dev/null @@ -1,345 +0,0 @@ -/* - * 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. - */ - -// -// Zip archive entries. -// -// The ZipEntry class is tightly meshed with the ZipFile class. -// -#ifndef __LIBS_ZIPENTRY_H -#define __LIBS_ZIPENTRY_H - -#include <utils/Errors.h> - -#include <stdlib.h> -#include <stdio.h> - -namespace android { - -class ZipFile; - -/* - * ZipEntry objects represent a single entry in a Zip archive. - * - * You can use one of these to get or set information about an entry, but - * there are no functions here for accessing the data itself. (We could - * tuck a pointer to the ZipFile in here for convenience, but that raises - * the likelihood of using ZipEntry objects after discarding the ZipFile.) - * - * File information is stored in two places: next to the file data (the Local - * File Header, and possibly a Data Descriptor), and at the end of the file - * (the Central Directory Entry). The two must be kept in sync. - */ -class ZipEntry { -public: - friend class ZipFile; - - ZipEntry(void) - : mDeleted(false), mMarked(false) - {} - ~ZipEntry(void) {} - - /* - * Returns "true" if the data is compressed. - */ - bool isCompressed(void) const { - return mCDE.mCompressionMethod != kCompressStored; - } - int getCompressionMethod(void) const { return mCDE.mCompressionMethod; } - - /* - * Return the uncompressed length. - */ - off_t getUncompressedLen(void) const { return mCDE.mUncompressedSize; } - - /* - * Return the compressed length. For uncompressed data, this returns - * the same thing as getUncompresesdLen(). - */ - off_t getCompressedLen(void) const { return mCDE.mCompressedSize; } - - /* - * Return the offset of the local file header. - */ - off_t getLFHOffset(void) const { return mCDE.mLocalHeaderRelOffset; } - - /* - * Return the absolute file offset of the start of the compressed or - * uncompressed data. - */ - off_t getFileOffset(void) const { - return mCDE.mLocalHeaderRelOffset + - LocalFileHeader::kLFHLen + - mLFH.mFileNameLength + - mLFH.mExtraFieldLength; - } - - /* - * Return the data CRC. - */ - unsigned long getCRC32(void) const { return mCDE.mCRC32; } - - /* - * Return file modification time in UNIX seconds-since-epoch. - */ - time_t getModWhen(void) const; - - /* - * Return the archived file name. - */ - const char* getFileName(void) const { return (const char*) mCDE.mFileName; } - - /* - * Application-defined "mark". Can be useful when synchronizing the - * contents of an archive with contents on disk. - */ - bool getMarked(void) const { return mMarked; } - void setMarked(bool val) { mMarked = val; } - - /* - * Some basic functions for raw data manipulation. "LE" means - * Little Endian. - */ - static inline unsigned short getShortLE(const unsigned char* buf) { - return buf[0] | (buf[1] << 8); - } - static inline unsigned long getLongLE(const unsigned char* buf) { - return buf[0] | (buf[1] << 8) | (buf[2] << 16) | (buf[3] << 24); - } - static inline void putShortLE(unsigned char* buf, short val) { - buf[0] = (unsigned char) val; - buf[1] = (unsigned char) (val >> 8); - } - static inline void putLongLE(unsigned char* buf, long val) { - buf[0] = (unsigned char) val; - buf[1] = (unsigned char) (val >> 8); - buf[2] = (unsigned char) (val >> 16); - buf[3] = (unsigned char) (val >> 24); - } - - /* defined for Zip archives */ - enum { - kCompressStored = 0, // no compression - // shrunk = 1, - // reduced 1 = 2, - // reduced 2 = 3, - // reduced 3 = 4, - // reduced 4 = 5, - // imploded = 6, - // tokenized = 7, - kCompressDeflated = 8, // standard deflate - // Deflate64 = 9, - // lib imploded = 10, - // reserved = 11, - // bzip2 = 12, - }; - - /* - * Deletion flag. If set, the entry will be removed on the next - * call to "flush". - */ - bool getDeleted(void) const { return mDeleted; } - -protected: - /* - * Initialize the structure from the file, which is pointing at - * our Central Directory entry. - */ - status_t initFromCDE(FILE* fp); - - /* - * Initialize the structure for a new file. We need the filename - * and comment so that we can properly size the LFH area. The - * filename is mandatory, the comment is optional. - */ - void initNew(const char* fileName, const char* comment); - - /* - * Initialize the structure with the contents of a ZipEntry from - * another file. - */ - status_t initFromExternal(const ZipFile* pZipFile, const ZipEntry* pEntry); - - /* - * Add some pad bytes to the LFH. We do this by adding or resizing - * the "extra" field. - */ - status_t addPadding(int padding); - - /* - * Set information about the data for this entry. - */ - void setDataInfo(long uncompLen, long compLen, unsigned long crc32, - int compressionMethod); - - /* - * Set the modification date. - */ - void setModWhen(time_t when); - - /* - * Set the offset of the local file header, relative to the start of - * the current file. - */ - void setLFHOffset(off_t offset) { - mCDE.mLocalHeaderRelOffset = (long) offset; - } - - /* mark for deletion; used by ZipFile::remove() */ - void setDeleted(void) { mDeleted = true; } - -private: - /* these are private and not defined */ - ZipEntry(const ZipEntry& src); - ZipEntry& operator=(const ZipEntry& src); - - /* returns "true" if the CDE and the LFH agree */ - bool compareHeaders(void) const; - void copyCDEtoLFH(void); - - bool mDeleted; // set if entry is pending deletion - bool mMarked; // app-defined marker - - /* - * Every entry in the Zip archive starts off with one of these. - */ - class LocalFileHeader { - public: - LocalFileHeader(void) : - mVersionToExtract(0), - mGPBitFlag(0), - mCompressionMethod(0), - mLastModFileTime(0), - mLastModFileDate(0), - mCRC32(0), - mCompressedSize(0), - mUncompressedSize(0), - mFileNameLength(0), - mExtraFieldLength(0), - mFileName(NULL), - mExtraField(NULL) - {} - virtual ~LocalFileHeader(void) { - delete[] mFileName; - delete[] mExtraField; - } - - status_t read(FILE* fp); - status_t write(FILE* fp); - - // unsigned long mSignature; - unsigned short mVersionToExtract; - unsigned short mGPBitFlag; - unsigned short mCompressionMethod; - unsigned short mLastModFileTime; - unsigned short mLastModFileDate; - unsigned long mCRC32; - unsigned long mCompressedSize; - unsigned long mUncompressedSize; - unsigned short mFileNameLength; - unsigned short mExtraFieldLength; - unsigned char* mFileName; - unsigned char* mExtraField; - - enum { - kSignature = 0x04034b50, - kLFHLen = 30, // LocalFileHdr len, excl. var fields - }; - - void dump(void) const; - }; - - /* - * Every entry in the Zip archive has one of these in the "central - * directory" at the end of the file. - */ - class CentralDirEntry { - public: - CentralDirEntry(void) : - mVersionMadeBy(0), - mVersionToExtract(0), - mGPBitFlag(0), - mCompressionMethod(0), - mLastModFileTime(0), - mLastModFileDate(0), - mCRC32(0), - mCompressedSize(0), - mUncompressedSize(0), - mFileNameLength(0), - mExtraFieldLength(0), - mFileCommentLength(0), - mDiskNumberStart(0), - mInternalAttrs(0), - mExternalAttrs(0), - mLocalHeaderRelOffset(0), - mFileName(NULL), - mExtraField(NULL), - mFileComment(NULL) - {} - virtual ~CentralDirEntry(void) { - delete[] mFileName; - delete[] mExtraField; - delete[] mFileComment; - } - - status_t read(FILE* fp); - status_t write(FILE* fp); - - // unsigned long mSignature; - unsigned short mVersionMadeBy; - unsigned short mVersionToExtract; - unsigned short mGPBitFlag; - unsigned short mCompressionMethod; - unsigned short mLastModFileTime; - unsigned short mLastModFileDate; - unsigned long mCRC32; - unsigned long mCompressedSize; - unsigned long mUncompressedSize; - unsigned short mFileNameLength; - unsigned short mExtraFieldLength; - unsigned short mFileCommentLength; - unsigned short mDiskNumberStart; - unsigned short mInternalAttrs; - unsigned long mExternalAttrs; - unsigned long mLocalHeaderRelOffset; - unsigned char* mFileName; - unsigned char* mExtraField; - unsigned char* mFileComment; - - void dump(void) const; - - enum { - kSignature = 0x02014b50, - kCDELen = 46, // CentralDirEnt len, excl. var fields - }; - }; - - enum { - //kDataDescriptorSignature = 0x08074b50, // currently unused - kDataDescriptorLen = 16, // four 32-bit fields - - kDefaultVersion = 20, // need deflate, nothing much else - kDefaultMadeBy = 0x0317, // 03=UNIX, 17=spec v2.3 - kUsesDataDescr = 0x0008, // GPBitFlag bit 3 - }; - - LocalFileHeader mLFH; - CentralDirEntry mCDE; -}; - -}; // namespace android - -#endif // __LIBS_ZIPENTRY_H |