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-/****************************************************************************
-** Filename: unzip_p.h
-** Last updated [dd/mm/yyyy]: 28/01/2007
-**
-** pkzip 2.0 decompression.
-**
-** Some of the code has been inspired by other open source projects,
-** (mainly Info-Zip and Gilles Vollant's minizip).
-** Compression and decompression actually uses the zlib library.
-**
-** Copyright (C) 2007-2008 Angius Fabrizio. All rights reserved.
-**
-** This file is part of the OSDaB project (http://osdab.sourceforge.net/).
-**
-** This file may be distributed and/or modified under the terms of the
-** GNU General Public License version 2 as published by the Free Software
-** Foundation and appearing in the file LICENSE.GPL included in the
-** packaging of this file.
-**
-** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
-** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
-**
-** See the file LICENSE.GPL that came with this software distribution or
-** visit http://www.gnu.org/copyleft/gpl.html for GPL licensing information.
-**
-**********************************************************************/
-
-//
-// W A R N I N G
-// -------------
-//
-// This file is not part of the Zip/UnZip API. It exists purely as an
-// implementation detail. This header file may change from version to
-// version without notice, or even be removed.
-//
-// We mean it.
-//
-
-#ifndef OSDAB_UNZIP_P__H
-#define OSDAB_UNZIP_P__H
-
-#include "unzip.h"
-#include "zipentry_p.h"
-
-#include <QtGlobal>
-
-// zLib authors suggest using larger buffers (128K or 256K) for (de)compression (especially for inflate())
-// we use a 256K buffer here - if you want to use this code on a pre-iceage mainframe please change it ;)
-#define UNZIP_READ_BUFFER (256*1024)
-
-class UnzipPrivate
-{
-public:
- UnzipPrivate();
-
- // Replace this with whatever else you use to store/retrieve the password.
- QString password;
-
- bool skipAllEncrypted;
-
- QMap<QString,ZipEntryP*>* headers;
-
- QIODevice* device;
-
- char buffer1[UNZIP_READ_BUFFER];
- char buffer2[UNZIP_READ_BUFFER];
-
- unsigned char* uBuffer;
- const quint32* crcTable;
-
- // Central Directory (CD) offset
- quint32 cdOffset;
- // End of Central Directory (EOCD) offset
- quint32 eocdOffset;
-
- // Number of entries in the Central Directory (as to the EOCD record)
- quint16 cdEntryCount;
-
- // The number of detected entries that have been skipped because of a non compatible format
- quint16 unsupportedEntryCount;
-
- QString comment;
-
- UnZip::ErrorCode openArchive(QIODevice* device);
-
- UnZip::ErrorCode seekToCentralDirectory();
- UnZip::ErrorCode parseCentralDirectoryRecord();
- UnZip::ErrorCode parseLocalHeaderRecord(const QString& path, ZipEntryP& entry);
-
- void closeArchive();
-
- UnZip::ErrorCode extractFile(const QString& path, ZipEntryP& entry, const QDir& dir, UnZip::ExtractionOptions options);
- UnZip::ErrorCode extractFile(const QString& path, ZipEntryP& entry, QIODevice* device, UnZip::ExtractionOptions options);
-
- UnZip::ErrorCode testPassword(quint32* keys, const QString& file, const ZipEntryP& header);
- bool testKeys(const ZipEntryP& header, quint32* keys);
-
- bool createDirectory(const QString& path);
-
- inline void decryptBytes(quint32* keys, char* buffer, qint64 read);
-
- inline quint32 getULong(const unsigned char* data, quint32 offset) const;
- inline quint64 getULLong(const unsigned char* data, quint32 offset) const;
- inline quint16 getUShort(const unsigned char* data, quint32 offset) const;
- inline int decryptByte(quint32 key2) const;
- inline void updateKeys(quint32* keys, int c) const;
- inline void initKeys(const QString& pwd, quint32* keys) const;
-
- inline QDateTime convertDateTime(const unsigned char date[2], const unsigned char time[2]) const;
-};
-
-#endif // OSDAB_UNZIP_P__H