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Oracle: support AllSets.json.zip; Fix #624

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Imported unzip methods from OSDaB-Zip project;
Adds a soft dependency on zlib to oracle; if lib if not found, oracle
will continue to compile and work but without zip support.
This commit is contained in:
Fabio Bas 2015-02-02 19:59:35 +01:00
parent b608d81037
commit 781f8a6603
12 changed files with 4029 additions and 3 deletions
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133
oracle/src/zip/zip_p.h Executable file
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/****************************************************************************
** Filename: zip_p.h
** Last updated [dd/mm/yyyy]: 27/03/2011
**
** pkzip 2.0 file compression.
**
** 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) 2007-2012 Angius Fabrizio. All rights reserved.
**
** This file is part of the OSDaB project (http://osdab.42cows.org/).
**
** 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_ZIP_P__H
#define OSDAB_ZIP_P__H
#include "zip.h"
#include "zipentry_p.h"
#include <QtCore/QFileInfo>
#include <QtCore/QObject>
#include <QtCore/QtGlobal>
#include <zlib/zconf.h>
/*!
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 ZIP_READ_BUFFER (256*1024)
OSDAB_BEGIN_NAMESPACE(Zip)
class ZipPrivate : public QObject
{
Q_OBJECT
public:
// uLongf from zconf.h
typedef uLongf crc_t;
ZipPrivate();
virtual ~ZipPrivate();
QMap<QString,ZipEntryP*>* headers;
QIODevice* device;
QFile* file;
char buffer1[ZIP_READ_BUFFER];
char buffer2[ZIP_READ_BUFFER];
unsigned char* uBuffer;
const crc_t* crcTable;
QString comment;
QString password;
Zip::ErrorCode createArchive(QIODevice* device);
Zip::ErrorCode closeArchive();
void reset();
bool zLibInit();
bool containsEntry(const QFileInfo& info) const;
Zip::ErrorCode addDirectory(const QString& path, const QString& root,
Zip::CompressionOptions options, Zip::CompressionLevel level,
int hierarchyLevel, int* addedFiles = 0);
Zip::ErrorCode addFiles(const QStringList& paths, const QString& root,
Zip::CompressionOptions options, Zip::CompressionLevel level,
int* addedFiles);
Zip::ErrorCode createEntry(const QFileInfo& file, const QString& root,
Zip::CompressionLevel level);
Zip::CompressionLevel detectCompressionByMime(const QString& ext);
inline quint32 updateChecksum(const quint32& crc, const quint32& val) const;
inline void encryptBytes(quint32* keys, char* buffer, qint64 read);
inline void setULong(quint32 v, char* buffer, unsigned int offset);
inline void updateKeys(quint32* keys, int c) const;
inline void initKeys(quint32* keys) const;
inline int decryptByte(quint32 key2) const;
inline QString extractRoot(const QString& p, Zip::CompressionOptions o);
private slots:
void deviceDestroyed(QObject*);
private:
int compressionStrategy(const QString& path, QIODevice& file) const;
Zip::ErrorCode deflateFile(const QFileInfo& fileInfo,
quint32& crc, qint64& written, const Zip::CompressionLevel& level, quint32** keys);
Zip::ErrorCode storeFile(const QString& path, QIODevice& file,
quint32& crc, qint64& written, quint32** keys);
Zip::ErrorCode compressFile(const QString& path, QIODevice& file,
quint32& crc, qint64& written, const Zip::CompressionLevel& level, quint32** keys);
Zip::ErrorCode do_closeArchive();
Zip::ErrorCode writeEntry(const QString& fileName, const ZipEntryP* h, quint32& szCentralDir);
Zip::ErrorCode writeCentralDir(quint32 offCentralDir, quint32 szCentralDir);
};
OSDAB_END_NAMESPACE
#endif // OSDAB_ZIP_P__H