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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:24:48 +0000 |
commit | cca66b9ec4e494c1d919bff0f71a820d8afab1fa (patch) | |
tree | 146f39ded1c938019e1ed42d30923c2ac9e86789 /src/util/ziptool.h | |
parent | Initial commit. (diff) | |
download | inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.tar.xz inkscape-cca66b9ec4e494c1d919bff0f71a820d8afab1fa.zip |
Adding upstream version 1.2.2.upstream/1.2.2upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/util/ziptool.h')
-rw-r--r-- | src/util/ziptool.h | 575 |
1 files changed, 575 insertions, 0 deletions
diff --git a/src/util/ziptool.h b/src/util/ziptool.h new file mode 100644 index 0000000..26aaac8 --- /dev/null +++ b/src/util/ziptool.h @@ -0,0 +1,575 @@ +// SPDX-License-Identifier: LGPL-2.1-or-later +/** @file + * TODO: insert short description here + *//* + * Authors: + * see git history + * Bob Jamison + * + * Copyright (C) 2018 Authors + * Released under GNU LGPL v2.1+, read the file 'COPYING' for more information. + */ +/* + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2.1 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library; if not, write to the Free Software + * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA + */ +#ifndef SEEN_ZIPTOOL_H +#define SEEN_ZIPTOOL_H +/** + * This is intended to be a standalone, reduced capability + * implementation of Gzip and Zip functionality. Its + * targeted use case is for archiving and retrieving single files + * which use these encoding types. Being memory based and + * non-optimized, it is not useful in cases where very large + * archives are needed or where high performance is desired. + * However, it should hopefully work well for smaller, + * one-at-a-time tasks. What you get in return is the ability + * to drop these files into your project and remove the dependencies + * on ZLib and Info-Zip. Enjoy. + */ + + + +#include <vector> +#include <string> + + +//######################################################################## +//# A D L E R 3 2 +//######################################################################## + +class Adler32 +{ +public: + + Adler32(); + + virtual ~Adler32(); + + void reset(); + + void update(unsigned char b); + + void update(char *str); + + unsigned long getValue(); + +private: + + unsigned long value; + +}; + + +//######################################################################## +//# C R C 3 2 +//######################################################################## + +class Crc32 +{ +public: + + Crc32(); + + virtual ~Crc32(); + + void reset(); + + void update(unsigned char b); + + void update(char *str); + + void update(const std::vector<unsigned char> &buf); + + unsigned long getValue(); + +private: + + unsigned long value; + +}; + + + + + + +//######################################################################## +//# G Z I P S T R E A M S +//######################################################################## + +class GzipFile +{ +public: + + /** + * + */ + GzipFile(); + + /** + * + */ + virtual ~GzipFile(); + + /** + * + */ + virtual void put(unsigned char ch); + + /** + * + */ + virtual void setData(const std::vector<unsigned char> &str); + + /** + * + */ + virtual void clearData(); + + /** + * + */ + virtual std::vector<unsigned char> &getData(); + + /** + * + */ + virtual std::string &getFileName(); + + /** + * + */ + virtual void setFileName(const std::string &val); + + + //###################### + //# U T I L I T Y + //###################### + + /** + * + */ + virtual bool readFile(const std::string &fName); + + //###################### + //# W R I T E + //###################### + + /** + * + */ + virtual bool write(); + + /** + * + */ + virtual bool writeBuffer(std::vector<unsigned char> &outbuf); + + /** + * + */ + virtual bool writeFile(const std::string &fileName); + + + //###################### + //# R E A D + //###################### + + + /** + * + */ + virtual bool read(); + + /** + * + */ + virtual bool readBuffer(const std::vector<unsigned char> &inbuf); + + /** + * + */ + virtual bool loadFile(const std::string &fileName); + + + +private: + + std::vector<unsigned char> data; + std::string fileName; + + //debug messages + void error(char const *fmt, ...) + #ifdef G_GNUC_PRINTF + G_GNUC_PRINTF(2, 3) + #endif + ; + + void trace(char const *fmt, ...) + #ifdef G_GNUC_PRINTF + G_GNUC_PRINTF(2, 3) + #endif + ; + + std::vector<unsigned char> fileBuf; + unsigned long fileBufPos; + + bool getByte(unsigned char *ch); + bool getLong(unsigned long *val); + + bool putByte(unsigned char ch); + bool putLong(unsigned long val); + + int compressionMethod; +}; + + + + +//######################################################################## +//# Z I P F I L E +//######################################################################## + + +/** + * + */ +class ZipEntry +{ +public: + + /** + * + */ + ZipEntry(); + + /** + * + */ + ZipEntry(std::string fileName, + std::string comment); + + /** + * + */ + virtual ~ZipEntry(); + + /** + * + */ + virtual std::string getFileName(); + + /** + * + */ + virtual void setFileName(const std::string &val); + + /** + * + */ + virtual std::string getComment(); + + /** + * + */ + virtual void setComment(const std::string &val); + + /** + * + */ + virtual unsigned long getCompressedSize(); + + /** + * + */ + virtual int getCompressionMethod(); + + /** + * + */ + virtual void setCompressionMethod(int val); + + /** + * + */ + virtual std::vector<unsigned char> &getCompressedData(); + + /** + * + */ + virtual void setCompressedData(const std::vector<unsigned char> &val); + + /** + * + */ + virtual unsigned long getUncompressedSize(); + + /** + * + */ + virtual std::vector<unsigned char> &getUncompressedData(); + + /** + * + */ + virtual void setUncompressedData(const std::vector<unsigned char> &val); + virtual void setUncompressedData(const std::string &val); + + /** + * + */ + virtual void write(unsigned char ch); + + /** + * + */ + virtual void finish(); + + /** + * + */ + virtual unsigned long getCrc(); + + /** + * + */ + virtual void setCrc(unsigned long crc); + + /** + * + */ + virtual bool readFile(const std::string &fileNameArg, + const std::string &commentArg); + + /** + * + */ + virtual void setPosition(unsigned long val); + + /** + * + */ + virtual unsigned long getPosition(); + +private: + + unsigned long crc; + + std::string fileName; + std::string comment; + + int compressionMethod; + + std::vector<unsigned char> compressedData; + std::vector<unsigned char> uncompressedData; + + unsigned long position; +}; + + + + + + + + + +/** + * This class sits over the zlib and gzip code to + * implement a PKWare or Info-Zip .zip file reader and + * writer + */ +class ZipFile +{ +public: + + /** + * + */ + ZipFile(); + + /** + * + */ + virtual ~ZipFile(); + + //###################### + //# V A R I A B L E S + //###################### + + /** + * + */ + virtual void setComment(const std::string &val); + + /** + * + */ + virtual std::string getComment(); + + /** + * Return the list of entries currently in this file + */ + std::vector<ZipEntry *> &getEntries(); + + + //###################### + //# U T I L I T Y + //###################### + + /** + * + */ + virtual ZipEntry *addFile(const std::string &fileNameArg, + const std::string &commentArg); + + /** + * + */ + virtual ZipEntry *newEntry(const std::string &fileNameArg, + const std::string &commentArg); + + //###################### + //# W R I T E + //###################### + + /** + * + */ + virtual bool write(); + + /** + * + */ + virtual bool writeBuffer(std::vector<unsigned char> &outbuf); + + /** + * + */ + virtual bool writeFile(const std::string &fileName); + + + //###################### + //# R E A D + //###################### + + + /** + * + */ + virtual bool read(); + + /** + * + */ + virtual bool readBuffer(const std::vector<unsigned char> &inbuf); + + /** + * + */ + virtual bool readFile(const std::string &fileName); + + +private: + + //debug messages + void error(char const *fmt, ...) + #ifdef G_GNUC_PRINTF + G_GNUC_PRINTF(2, 3) + #endif + ; + void trace(char const *fmt, ...) + #ifdef G_GNUC_PRINTF + G_GNUC_PRINTF(2, 3) + #endif + ; + + //# Private writing methods + + /** + * + */ + bool putLong(unsigned long val); + + /** + * + */ + bool putInt(unsigned int val); + + + /** + * + */ + bool putByte(unsigned char val); + + /** + * + */ + bool writeFileData(); + + /** + * + */ + bool writeCentralDirectory(); + + + //# Private reading methods + + /** + * + */ + bool getLong(unsigned long *val); + + /** + * + */ + bool getInt(unsigned int *val); + + /** + * + */ + bool getByte(unsigned char *val); + + /** + * + */ + bool readFileData(); + + /** + * + */ + bool readCentralDirectory(); + + + std::vector<ZipEntry *> entries; + + std::vector<unsigned char> fileBuf; + unsigned long fileBufPos; + + std::string comment; +}; + + + + + + +#endif // SEEN_ZIPTOOL_H + + +//######################################################################## +//# E N D O F F I L E +//######################################################################## + |