qzip.cpp File Reference

(fb29033565408e0b5dcba013c80cb1a145ab3408)

#include "qzipreader_p.h"
#include "qzipwriter_p.h"
#include <qdatetime.h>
#include <qendian.h>
#include <qdebug.h>
#include <qdir.h>
#include <memory>
#include <zlib.h>

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Classes
struct	LocalFileHeader
struct	DataDescriptor
struct	CentralFileHeader
struct	EndOfDirectory
struct	FileHeader
class	QZipPrivate
class	QZipReaderPrivate
class	QZipWriterPrivate

Namespaces
namespace	WindowsFileAttributes
namespace	UnixFileAttributes

Macros
#define	ZIP_VERSION   20
#define	ZDEBUG   if (0) qDebug

Enumerations
enum	{   WindowsFileAttributes::Dir = 0x10 , WindowsFileAttributes::File = 0x80 , WindowsFileAttributes::TypeMask = 0x90 , WindowsFileAttributes::ReadOnly = 0x01 ,   WindowsFileAttributes::PermMask = 0x01 }
enum	{   UnixFileAttributes::Dir = 0040000 , UnixFileAttributes::File = 0100000 , UnixFileAttributes::SymLink = 0120000 , UnixFileAttributes::TypeMask = 0170000 ,   UnixFileAttributes::ReadUser = 0400 , UnixFileAttributes::WriteUser = 0200 , UnixFileAttributes::ExeUser = 0100 , UnixFileAttributes::ReadGroup = 0040 ,   UnixFileAttributes::WriteGroup = 0020 , UnixFileAttributes::ExeGroup = 0010 , UnixFileAttributes::ReadOther = 0004 , UnixFileAttributes::WriteOther = 0002 ,   UnixFileAttributes::ExeOther = 0001 , UnixFileAttributes::PermMask = 0777 }
enum	HostOS {   HostFAT = 0 , HostAMIGA = 1 , HostVMS = 2 , HostUnix = 3 ,   HostVM_CMS = 4 , HostAtari = 5 , HostHPFS = 6 , HostMac = 7 ,   HostZ_System = 8 , HostCPM = 9 , HostTOPS20 = 10 , HostNTFS = 11 ,   HostQDOS = 12 , HostAcorn = 13 , HostVFAT = 14 , HostMVS = 15 ,   HostBeOS = 16 , HostTandem = 17 , HostOS400 = 18 , HostOSX = 19 }
enum	GeneralPurposeFlag {   Encrypted = 0x01 , AlgTune1 = 0x02 , AlgTune2 = 0x04 , HasDataDescriptor = 0x08 ,   PatchedData = 0x20 , StrongEncrypted = 0x40 , Utf8Names = 0x0800 , CentralDirectoryEncrypted = 0x2000 }
enum	CompressionMethod {   CompressionMethodStored = 0 , CompressionMethodShrunk = 1 , CompressionMethodReduced1 = 2 , CompressionMethodReduced2 = 3 ,   CompressionMethodReduced3 = 4 , CompressionMethodReduced4 = 5 , CompressionMethodImploded = 6 , CompressionMethodReservedTokenizing = 7 ,   CompressionMethodDeflated = 8 , CompressionMethodDeflated64 = 9 , CompressionMethodPKImploding = 10 , CompressionMethodBZip2 = 12 ,   CompressionMethodLZMA = 14 , CompressionMethodTerse = 18 , CompressionMethodLz77 = 19 , CompressionMethodJpeg = 96 ,   CompressionMethodWavPack = 97 , CompressionMethodPPMd = 98 , CompressionMethodWzAES = 99 }

Functions
static QT_BEGIN_NAMESPACE uint	readUInt (const uchar *data)
static ushort	readUShort (const uchar *data)
static void	writeUInt (uchar *data, uint i)
static void	writeUShort (uchar *data, ushort i)
static void	copyUInt (uchar *dest, const uchar *src)
static void	copyUShort (uchar *dest, const uchar *src)
static void	writeMSDosDate (uchar *dest, const QDateTime &dt)
static int	inflate (Bytef *dest, ulong *destLen, const Bytef *source, ulong sourceLen)
static int	deflate (Bytef *dest, ulong *destLen, const Bytef *source, ulong sourceLen)
static QFile::Permissions	modeToPermissions (quint32 mode)
static quint32	permissionsToMode (QFile::Permissions perms)
static QDateTime	readMSDosDate (const uchar *src)
	Q_DECLARE_TYPEINFO (HostOS, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (GeneralPurposeFlag, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (CompressionMethod, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (LocalFileHeader, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (DataDescriptor, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (CentralFileHeader, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (EndOfDirectory, Q_PRIMITIVE_TYPE)
	Q_DECLARE_TYPEINFO (FileHeader, Q_RELOCATABLE_TYPE)
static LocalFileHeader	toLocalHeader (const CentralFileHeader &ch)

Macro Definition Documentation

ZDEBUG

#define ZDEBUG   if (0) qDebug

Definition at line 23 of file qzip.cpp.

Referenced by QZipWriterPrivate::addEntry(), and QZipReaderPrivate::scanFiles().

ZIP_VERSION

#define ZIP_VERSION   20

Definition at line 18 of file qzip.cpp.

Referenced by QZipWriterPrivate::addEntry(), and QZipReader::fileData().

Enumeration Type Documentation

CompressionMethod

enum CompressionMethod

Enumerator
CompressionMethodStored
CompressionMethodShrunk
CompressionMethodReduced1
CompressionMethodReduced2
CompressionMethodReduced3
CompressionMethodReduced4
CompressionMethodImploded
CompressionMethodReservedTokenizing
CompressionMethodDeflated
CompressionMethodDeflated64
CompressionMethodPKImploding
CompressionMethodBZip2
CompressionMethodLZMA
CompressionMethodTerse
CompressionMethodLz77
CompressionMethodJpeg
CompressionMethodWavPack
CompressionMethodPPMd
CompressionMethodWzAES

Definition at line 289 of file qzip.cpp.

GeneralPurposeFlag

enum GeneralPurposeFlag

Enumerator
Encrypted
AlgTune1
AlgTune2
HasDataDescriptor
PatchedData
StrongEncrypted
Utf8Names
CentralDirectoryEncrypted

Definition at line 277 of file qzip.cpp.

HostOS

enum HostOS

Enumerator
HostFAT
HostAMIGA
HostVMS
HostUnix
HostVM_CMS
HostAtari
HostHPFS
HostMac
HostZ_System
HostCPM
HostTOPS20
HostNTFS
HostQDOS
HostAcorn
HostVFAT
HostMVS
HostBeOS
HostTandem
HostOS400
HostOSX

Definition at line 253 of file qzip.cpp.

Function Documentation

copyUInt()

static void copyUInt ( uchar * dest, const uchar * src )

inlinestatic

Definition at line 52 of file qzip.cpp.

Referenced by toLocalHeader().

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copyUShort()

static void copyUShort ( uchar * dest, const uchar * src )

inlinestatic

Definition at line 60 of file qzip.cpp.

Referenced by toLocalHeader().

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deflate()

static int deflate ( Bytef * dest, ulong * destLen, const Bytef * source, ulong sourceLen )

static

Definition at line 127 of file qzip.cpp.

References deflate().

Referenced by QZipWriterPrivate::addEntry(), deflate(), and QByteArray::qCompress().

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inflate()

static int inflate ( Bytef * dest, ulong * destLen, const Bytef * source, ulong sourceLen )

static

Definition at line 92 of file qzip.cpp.

References inflate().

Referenced by QZipReader::fileData(), inflate(), QSvgTinyDocument::isLikelySvg(), and qt_inflateSvgzDataFrom().

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modeToPermissions()

static QFile::Permissions modeToPermissions ( quint32 mode )

static

Definition at line 188 of file qzip.cpp.

References QFileDevice::ExeGroup, UnixFileAttributes::ExeGroup, QFileDevice::ExeOther, UnixFileAttributes::ExeOther, QFileDevice::ExeOwner, QFileDevice::ExeUser, UnixFileAttributes::ExeUser, QFileDevice::ReadGroup, UnixFileAttributes::ReadGroup, QFileDevice::ReadOther, UnixFileAttributes::ReadOther, QFileDevice::ReadOwner, QFileDevice::ReadUser, UnixFileAttributes::ReadUser, ret, QFileDevice::WriteGroup, UnixFileAttributes::WriteGroup, QFileDevice::WriteOther, UnixFileAttributes::WriteOther, QFileDevice::WriteOwner, QFileDevice::WriteUser, and UnixFileAttributes::WriteUser.

Referenced by QZipPrivate::fillFileInfo().

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permissionsToMode()

static quint32 permissionsToMode ( QFile::Permissions perms )

static

Definition at line 212 of file qzip.cpp.

References QFileDevice::ExeGroup, UnixFileAttributes::ExeGroup, QFileDevice::ExeOther, UnixFileAttributes::ExeOther, QFileDevice::ExeOwner, QFileDevice::ExeUser, QFileDevice::ReadGroup, UnixFileAttributes::ReadGroup, QFileDevice::ReadOther, UnixFileAttributes::ReadOther, QFileDevice::ReadOwner, QFileDevice::ReadUser, UnixFileAttributes::ReadUser, QFileDevice::WriteGroup, UnixFileAttributes::WriteGroup, QFileDevice::WriteOther, UnixFileAttributes::WriteOther, QFileDevice::WriteOwner, QFileDevice::WriteUser, and UnixFileAttributes::WriteUser.

Referenced by QZipWriterPrivate::addEntry().

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Q_DECLARE_TYPEINFO() [1/8]

Q_DECLARE_TYPEINFO	(	CentralFileHeader	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [2/8]

Q_DECLARE_TYPEINFO	(	CompressionMethod	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [3/8]

Q_DECLARE_TYPEINFO	(	DataDescriptor	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [4/8]

Q_DECLARE_TYPEINFO	(	EndOfDirectory	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [5/8]

Q_DECLARE_TYPEINFO	(	FileHeader	,
		Q_RELOCATABLE_TYPE	)

Q_DECLARE_TYPEINFO() [6/8]

Q_DECLARE_TYPEINFO	(	GeneralPurposeFlag	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [7/8]

Q_DECLARE_TYPEINFO	(	HostOS	,
		Q_PRIMITIVE_TYPE	)

Q_DECLARE_TYPEINFO() [8/8]

Q_DECLARE_TYPEINFO	(	LocalFileHeader	,
		Q_PRIMITIVE_TYPE	)

readMSDosDate()

static QDateTime readMSDosDate ( const uchar * src )

static

Definition at line 236 of file qzip.cpp.

References readUInt().

Referenced by QZipPrivate::fillFileInfo().

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readUInt()

static QT_BEGIN_NAMESPACE uint readUInt ( const uchar * data )

inlinestatic

Definition at line 28 of file qzip.cpp.

Referenced by QZipReader::fileData(), QZipPrivate::fillFileInfo(), QOpenGLProgramBinaryCache::load(), readMSDosDate(), and QZipReaderPrivate::scanFiles().

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readUShort()

static ushort readUShort ( const uchar * data )

inlinestatic

Definition at line 33 of file qzip.cpp.

Referenced by QZipReader::fileData(), QZipPrivate::fillFileInfo(), and QZipReaderPrivate::scanFiles().

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toLocalHeader()

static LocalFileHeader toLocalHeader ( const CentralFileHeader & ch )

static

Definition at line 506 of file qzip.cpp.

References ch, copyUInt(), copyUShort(), and writeUInt().

Referenced by QZipWriterPrivate::addEntry().

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writeMSDosDate()

static void writeMSDosDate ( uchar * dest, const QDateTime & dt )

static

Definition at line 66 of file qzip.cpp.

References date, and time.

Referenced by QZipWriterPrivate::addEntry().

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writeUInt()

static void writeUInt ( uchar * data, uint i )

inlinestatic

Definition at line 38 of file qzip.cpp.

References i.

Referenced by QZipWriterPrivate::addEntry(), QZipWriter::close(), QOpenGLProgramBinaryCache::save(), and toLocalHeader().

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writeUShort()

static void writeUShort ( uchar * data, ushort i )

inlinestatic

Definition at line 46 of file qzip.cpp.

References i.

Referenced by QZipWriterPrivate::addEntry(), and QZipWriter::close().

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