mirror of
https://github.com/MultiMC/MultiMC5.git
synced 2024-12-27 03:14:49 +00:00
555 lines
14 KiB
C++
555 lines
14 KiB
C++
/*
|
|
Copyright (C) 2005-2011 Sergey A. Tachenov
|
|
|
|
This program 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 of the License, or (at
|
|
your option) any later version.
|
|
|
|
This program 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 program; if not, write to the Free Software Foundation,
|
|
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
|
|
See COPYING file for the full LGPL text.
|
|
|
|
Original ZIP package is copyrighted by Gilles Vollant, see
|
|
quazip/(un)zip.h files for details, basically it's zlib license.
|
|
**/
|
|
|
|
#include <QtCore/QFile>
|
|
#include <QtCore/QFlags>
|
|
|
|
#include "quazip.h"
|
|
|
|
/// All the internal stuff for the QuaZip class.
|
|
/**
|
|
\internal
|
|
|
|
This class keeps all the private stuff for the QuaZip class so it can
|
|
be changed without breaking binary compatibility, according to the
|
|
Pimpl idiom.
|
|
*/
|
|
class QuaZipPrivate {
|
|
friend class QuaZip;
|
|
private:
|
|
/// The pointer to the corresponding QuaZip instance.
|
|
QuaZip *q;
|
|
/// The codec for file names.
|
|
QTextCodec *fileNameCodec;
|
|
/// The codec for comments.
|
|
QTextCodec *commentCodec;
|
|
/// The archive file name.
|
|
QString zipName;
|
|
/// The device to access the archive.
|
|
QIODevice *ioDevice;
|
|
/// The global comment.
|
|
QString comment;
|
|
/// The open mode.
|
|
QuaZip::Mode mode;
|
|
union {
|
|
/// The internal handle for UNZIP modes.
|
|
unzFile unzFile_f;
|
|
/// The internal handle for ZIP modes.
|
|
zipFile zipFile_f;
|
|
};
|
|
/// Whether a current file is set.
|
|
bool hasCurrentFile_f;
|
|
/// The last error.
|
|
int zipError;
|
|
/// Whether \ref QuaZip::setDataDescriptorWritingEnabled() "the data descriptor writing mode" is enabled.
|
|
bool dataDescriptorWritingEnabled;
|
|
/// The constructor for the corresponding QuaZip constructor.
|
|
inline QuaZipPrivate(QuaZip *q):
|
|
q(q),
|
|
fileNameCodec(QTextCodec::codecForLocale()),
|
|
commentCodec(QTextCodec::codecForLocale()),
|
|
ioDevice(NULL),
|
|
mode(QuaZip::mdNotOpen),
|
|
hasCurrentFile_f(false),
|
|
zipError(UNZ_OK),
|
|
dataDescriptorWritingEnabled(true) {}
|
|
/// The constructor for the corresponding QuaZip constructor.
|
|
inline QuaZipPrivate(QuaZip *q, const QString &zipName):
|
|
q(q),
|
|
fileNameCodec(QTextCodec::codecForLocale()),
|
|
commentCodec(QTextCodec::codecForLocale()),
|
|
zipName(zipName),
|
|
ioDevice(NULL),
|
|
mode(QuaZip::mdNotOpen),
|
|
hasCurrentFile_f(false),
|
|
zipError(UNZ_OK),
|
|
dataDescriptorWritingEnabled(true) {}
|
|
/// The constructor for the corresponding QuaZip constructor.
|
|
inline QuaZipPrivate(QuaZip *q, QIODevice *ioDevice):
|
|
q(q),
|
|
fileNameCodec(QTextCodec::codecForLocale()),
|
|
commentCodec(QTextCodec::codecForLocale()),
|
|
ioDevice(ioDevice),
|
|
mode(QuaZip::mdNotOpen),
|
|
hasCurrentFile_f(false),
|
|
zipError(UNZ_OK),
|
|
dataDescriptorWritingEnabled(true) {}
|
|
/// Returns either a list of file names or a list of QuaZipFileInfo.
|
|
template<typename TFileInfo>
|
|
bool getFileInfoList(QList<TFileInfo> *result) const;
|
|
};
|
|
|
|
QuaZip::QuaZip():
|
|
p(new QuaZipPrivate(this))
|
|
{
|
|
}
|
|
|
|
QuaZip::QuaZip(const QString& zipName):
|
|
p(new QuaZipPrivate(this, zipName))
|
|
{
|
|
}
|
|
|
|
QuaZip::QuaZip(QIODevice *ioDevice):
|
|
p(new QuaZipPrivate(this, ioDevice))
|
|
{
|
|
}
|
|
|
|
QuaZip::~QuaZip()
|
|
{
|
|
if(isOpen())
|
|
close();
|
|
delete p;
|
|
}
|
|
|
|
bool QuaZip::open(Mode mode, zlib_filefunc_def* ioApi)
|
|
{
|
|
p->zipError=UNZ_OK;
|
|
if(isOpen()) {
|
|
qWarning("QuaZip::open(): ZIP already opened");
|
|
return false;
|
|
}
|
|
QIODevice *ioDevice = p->ioDevice;
|
|
if (ioDevice == NULL) {
|
|
if (p->zipName.isEmpty()) {
|
|
qWarning("QuaZip::open(): set either ZIP file name or IO device first");
|
|
return false;
|
|
} else {
|
|
ioDevice = new QFile(p->zipName);
|
|
}
|
|
}
|
|
switch(mode) {
|
|
case mdUnzip:
|
|
p->unzFile_f=unzOpen2(ioDevice, ioApi);
|
|
if(p->unzFile_f!=NULL) {
|
|
p->mode=mode;
|
|
p->ioDevice = ioDevice;
|
|
return true;
|
|
} else {
|
|
p->zipError=UNZ_OPENERROR;
|
|
if (!p->zipName.isEmpty())
|
|
delete ioDevice;
|
|
return false;
|
|
}
|
|
case mdCreate:
|
|
case mdAppend:
|
|
case mdAdd:
|
|
p->zipFile_f=zipOpen2(ioDevice,
|
|
mode==mdCreate?APPEND_STATUS_CREATE:
|
|
mode==mdAppend?APPEND_STATUS_CREATEAFTER:
|
|
APPEND_STATUS_ADDINZIP,
|
|
NULL,
|
|
ioApi);
|
|
if(p->zipFile_f!=NULL) {
|
|
p->mode=mode;
|
|
p->ioDevice = ioDevice;
|
|
return true;
|
|
} else {
|
|
p->zipError=UNZ_OPENERROR;
|
|
if (!p->zipName.isEmpty())
|
|
delete ioDevice;
|
|
return false;
|
|
}
|
|
default:
|
|
qWarning("QuaZip::open(): unknown mode: %d", (int)mode);
|
|
if (!p->zipName.isEmpty())
|
|
delete ioDevice;
|
|
return false;
|
|
break;
|
|
}
|
|
}
|
|
|
|
void QuaZip::close()
|
|
{
|
|
p->zipError=UNZ_OK;
|
|
switch(p->mode) {
|
|
case mdNotOpen:
|
|
qWarning("QuaZip::close(): ZIP is not open");
|
|
return;
|
|
case mdUnzip:
|
|
p->zipError=unzClose(p->unzFile_f);
|
|
break;
|
|
case mdCreate:
|
|
case mdAppend:
|
|
case mdAdd:
|
|
p->zipError=zipClose(p->zipFile_f,
|
|
p->comment.isNull() ? NULL
|
|
: p->commentCodec->fromUnicode(p->comment).constData());
|
|
break;
|
|
default:
|
|
qWarning("QuaZip::close(): unknown mode: %d", (int)p->mode);
|
|
return;
|
|
}
|
|
// opened by name, need to delete the internal IO device
|
|
if (!p->zipName.isEmpty()) {
|
|
delete p->ioDevice;
|
|
p->ioDevice = NULL;
|
|
}
|
|
if(p->zipError==UNZ_OK)
|
|
p->mode=mdNotOpen;
|
|
}
|
|
|
|
void QuaZip::setZipName(const QString& zipName)
|
|
{
|
|
if(isOpen()) {
|
|
qWarning("QuaZip::setZipName(): ZIP is already open!");
|
|
return;
|
|
}
|
|
p->zipName=zipName;
|
|
p->ioDevice = NULL;
|
|
}
|
|
|
|
void QuaZip::setIoDevice(QIODevice *ioDevice)
|
|
{
|
|
if(isOpen()) {
|
|
qWarning("QuaZip::setIoDevice(): ZIP is already open!");
|
|
return;
|
|
}
|
|
p->ioDevice = ioDevice;
|
|
p->zipName = QString();
|
|
}
|
|
|
|
int QuaZip::getEntriesCount()const
|
|
{
|
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
|
fakeThis->p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::getEntriesCount(): ZIP is not open in mdUnzip mode");
|
|
return -1;
|
|
}
|
|
unz_global_info globalInfo;
|
|
if((fakeThis->p->zipError=unzGetGlobalInfo(p->unzFile_f, &globalInfo))!=UNZ_OK)
|
|
return p->zipError;
|
|
return (int)globalInfo.number_entry;
|
|
}
|
|
|
|
QString QuaZip::getComment()const
|
|
{
|
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
|
fakeThis->p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::getComment(): ZIP is not open in mdUnzip mode");
|
|
return QString();
|
|
}
|
|
unz_global_info globalInfo;
|
|
QByteArray comment;
|
|
if((fakeThis->p->zipError=unzGetGlobalInfo(p->unzFile_f, &globalInfo))!=UNZ_OK)
|
|
return QString();
|
|
comment.resize(globalInfo.size_comment);
|
|
if((fakeThis->p->zipError=unzGetGlobalComment(p->unzFile_f, comment.data(), comment.size())) < 0)
|
|
return QString();
|
|
fakeThis->p->zipError = UNZ_OK;
|
|
return p->commentCodec->toUnicode(comment);
|
|
}
|
|
|
|
bool QuaZip::setCurrentFile(const QString& fileName, CaseSensitivity cs)
|
|
{
|
|
p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::setCurrentFile(): ZIP is not open in mdUnzip mode");
|
|
return false;
|
|
}
|
|
if(fileName.isEmpty()) {
|
|
p->hasCurrentFile_f=false;
|
|
return true;
|
|
}
|
|
// Unicode-aware reimplementation of the unzLocateFile function
|
|
if(p->unzFile_f==NULL) {
|
|
p->zipError=UNZ_PARAMERROR;
|
|
return false;
|
|
}
|
|
if(fileName.length()>MAX_FILE_NAME_LENGTH) {
|
|
p->zipError=UNZ_PARAMERROR;
|
|
return false;
|
|
}
|
|
bool sens = convertCaseSensitivity(cs) == Qt::CaseSensitive;
|
|
QString lower, current;
|
|
if(!sens) lower=fileName.toLower();
|
|
p->hasCurrentFile_f=false;
|
|
for(bool more=goToFirstFile(); more; more=goToNextFile()) {
|
|
current=getCurrentFileName();
|
|
if(current.isEmpty()) return false;
|
|
if(sens) {
|
|
if(current==fileName) break;
|
|
} else {
|
|
if(current.toLower()==lower) break;
|
|
}
|
|
}
|
|
return p->hasCurrentFile_f;
|
|
}
|
|
|
|
bool QuaZip::goToFirstFile()
|
|
{
|
|
p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::goToFirstFile(): ZIP is not open in mdUnzip mode");
|
|
return false;
|
|
}
|
|
p->zipError=unzGoToFirstFile(p->unzFile_f);
|
|
p->hasCurrentFile_f=p->zipError==UNZ_OK;
|
|
return p->hasCurrentFile_f;
|
|
}
|
|
|
|
bool QuaZip::goToNextFile()
|
|
{
|
|
p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::goToFirstFile(): ZIP is not open in mdUnzip mode");
|
|
return false;
|
|
}
|
|
p->zipError=unzGoToNextFile(p->unzFile_f);
|
|
p->hasCurrentFile_f=p->zipError==UNZ_OK;
|
|
if(p->zipError==UNZ_END_OF_LIST_OF_FILE)
|
|
p->zipError=UNZ_OK;
|
|
return p->hasCurrentFile_f;
|
|
}
|
|
|
|
bool QuaZip::getCurrentFileInfo(QuaZipFileInfo *info)const
|
|
{
|
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
|
fakeThis->p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::getCurrentFileInfo(): ZIP is not open in mdUnzip mode");
|
|
return false;
|
|
}
|
|
unz_file_info info_z;
|
|
QByteArray fileName;
|
|
QByteArray extra;
|
|
QByteArray comment;
|
|
if(info==NULL) return false;
|
|
if(!isOpen()||!hasCurrentFile()) return false;
|
|
if((fakeThis->p->zipError=unzGetCurrentFileInfo(p->unzFile_f, &info_z, NULL, 0, NULL, 0, NULL, 0))!=UNZ_OK)
|
|
return false;
|
|
fileName.resize(info_z.size_filename);
|
|
extra.resize(info_z.size_file_extra);
|
|
comment.resize(info_z.size_file_comment);
|
|
if((fakeThis->p->zipError=unzGetCurrentFileInfo(p->unzFile_f, NULL,
|
|
fileName.data(), fileName.size(),
|
|
extra.data(), extra.size(),
|
|
comment.data(), comment.size()))!=UNZ_OK)
|
|
return false;
|
|
info->versionCreated=info_z.version;
|
|
info->versionNeeded=info_z.version_needed;
|
|
info->flags=info_z.flag;
|
|
info->method=info_z.compression_method;
|
|
info->crc=info_z.crc;
|
|
info->compressedSize=info_z.compressed_size;
|
|
info->uncompressedSize=info_z.uncompressed_size;
|
|
info->diskNumberStart=info_z.disk_num_start;
|
|
info->internalAttr=info_z.internal_fa;
|
|
info->externalAttr=info_z.external_fa;
|
|
info->name=p->fileNameCodec->toUnicode(fileName);
|
|
info->comment=p->commentCodec->toUnicode(comment);
|
|
info->extra=extra;
|
|
info->dateTime=QDateTime(
|
|
QDate(info_z.tmu_date.tm_year, info_z.tmu_date.tm_mon+1, info_z.tmu_date.tm_mday),
|
|
QTime(info_z.tmu_date.tm_hour, info_z.tmu_date.tm_min, info_z.tmu_date.tm_sec));
|
|
return true;
|
|
}
|
|
|
|
QString QuaZip::getCurrentFileName()const
|
|
{
|
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
|
fakeThis->p->zipError=UNZ_OK;
|
|
if(p->mode!=mdUnzip) {
|
|
qWarning("QuaZip::getCurrentFileName(): ZIP is not open in mdUnzip mode");
|
|
return QString();
|
|
}
|
|
if(!isOpen()||!hasCurrentFile()) return QString();
|
|
QByteArray fileName(MAX_FILE_NAME_LENGTH, 0);
|
|
if((fakeThis->p->zipError=unzGetCurrentFileInfo(p->unzFile_f, NULL, fileName.data(), fileName.size(),
|
|
NULL, 0, NULL, 0))!=UNZ_OK)
|
|
return QString();
|
|
return p->fileNameCodec->toUnicode(fileName.constData());
|
|
}
|
|
|
|
void QuaZip::setFileNameCodec(QTextCodec *fileNameCodec)
|
|
{
|
|
p->fileNameCodec=fileNameCodec;
|
|
}
|
|
|
|
void QuaZip::setFileNameCodec(const char *fileNameCodecName)
|
|
{
|
|
p->fileNameCodec=QTextCodec::codecForName(fileNameCodecName);
|
|
}
|
|
|
|
QTextCodec *QuaZip::getFileNameCodec()const
|
|
{
|
|
return p->fileNameCodec;
|
|
}
|
|
|
|
void QuaZip::setCommentCodec(QTextCodec *commentCodec)
|
|
{
|
|
p->commentCodec=commentCodec;
|
|
}
|
|
|
|
void QuaZip::setCommentCodec(const char *commentCodecName)
|
|
{
|
|
p->commentCodec=QTextCodec::codecForName(commentCodecName);
|
|
}
|
|
|
|
QTextCodec *QuaZip::getCommentCodec()const
|
|
{
|
|
return p->commentCodec;
|
|
}
|
|
|
|
QString QuaZip::getZipName() const
|
|
{
|
|
return p->zipName;
|
|
}
|
|
|
|
QIODevice *QuaZip::getIoDevice() const
|
|
{
|
|
if (!p->zipName.isEmpty()) // opened by name, using an internal QIODevice
|
|
return NULL;
|
|
return p->ioDevice;
|
|
}
|
|
|
|
QuaZip::Mode QuaZip::getMode()const
|
|
{
|
|
return p->mode;
|
|
}
|
|
|
|
bool QuaZip::isOpen()const
|
|
{
|
|
return p->mode!=mdNotOpen;
|
|
}
|
|
|
|
int QuaZip::getZipError() const
|
|
{
|
|
return p->zipError;
|
|
}
|
|
|
|
void QuaZip::setComment(const QString& comment)
|
|
{
|
|
p->comment=comment;
|
|
}
|
|
|
|
bool QuaZip::hasCurrentFile()const
|
|
{
|
|
return p->hasCurrentFile_f;
|
|
}
|
|
|
|
unzFile QuaZip::getUnzFile()
|
|
{
|
|
return p->unzFile_f;
|
|
}
|
|
|
|
zipFile QuaZip::getZipFile()
|
|
{
|
|
return p->zipFile_f;
|
|
}
|
|
|
|
void QuaZip::setDataDescriptorWritingEnabled(bool enabled)
|
|
{
|
|
p->dataDescriptorWritingEnabled = enabled;
|
|
}
|
|
|
|
bool QuaZip::isDataDescriptorWritingEnabled() const
|
|
{
|
|
return p->dataDescriptorWritingEnabled;
|
|
}
|
|
|
|
template<typename TFileInfo>
|
|
TFileInfo QuaZip_getFileInfo(QuaZip *zip, bool *ok);
|
|
|
|
template<>
|
|
QuaZipFileInfo QuaZip_getFileInfo(QuaZip *zip, bool *ok)
|
|
{
|
|
QuaZipFileInfo info;
|
|
*ok = zip->getCurrentFileInfo(&info);
|
|
return info;
|
|
}
|
|
|
|
template<>
|
|
QString QuaZip_getFileInfo(QuaZip *zip, bool *ok)
|
|
{
|
|
QString name = zip->getCurrentFileName();
|
|
*ok = !name.isEmpty();
|
|
return name;
|
|
}
|
|
|
|
template<typename TFileInfo>
|
|
bool QuaZipPrivate::getFileInfoList(QList<TFileInfo> *result) const
|
|
{
|
|
QuaZipPrivate *fakeThis=const_cast<QuaZipPrivate*>(this);
|
|
fakeThis->zipError=UNZ_OK;
|
|
if (mode!=QuaZip::mdUnzip) {
|
|
qWarning("QuaZip::getFileNameList/getFileInfoList(): "
|
|
"ZIP is not open in mdUnzip mode");
|
|
return false;
|
|
}
|
|
QString currentFile;
|
|
if (q->hasCurrentFile()) {
|
|
currentFile = q->getCurrentFileName();
|
|
}
|
|
if (q->goToFirstFile()) {
|
|
do {
|
|
bool ok;
|
|
result->append(QuaZip_getFileInfo<TFileInfo>(q, &ok));
|
|
if (!ok)
|
|
return false;
|
|
} while (q->goToNextFile());
|
|
}
|
|
if (zipError != UNZ_OK)
|
|
return false;
|
|
if (currentFile.isEmpty()) {
|
|
if (!q->goToFirstFile())
|
|
return false;
|
|
} else {
|
|
if (!q->setCurrentFile(currentFile))
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
QStringList QuaZip::getFileNameList() const
|
|
{
|
|
QStringList list;
|
|
if (p->getFileInfoList(&list))
|
|
return list;
|
|
else
|
|
return QStringList();
|
|
}
|
|
|
|
QList<QuaZipFileInfo> QuaZip::getFileInfoList() const
|
|
{
|
|
QList<QuaZipFileInfo> list;
|
|
if (p->getFileInfoList(&list))
|
|
return list;
|
|
else
|
|
return QList<QuaZipFileInfo>();
|
|
}
|
|
|
|
Qt::CaseSensitivity QuaZip::convertCaseSensitivity(QuaZip::CaseSensitivity cs)
|
|
{
|
|
if (cs == csDefault) {
|
|
#ifdef Q_WS_WIN
|
|
return Qt::CaseInsensitive;
|
|
#else
|
|
return Qt::CaseSensitive;
|
|
#endif
|
|
} else {
|
|
return cs == csSensitive ? Qt::CaseSensitive : Qt::CaseInsensitive;
|
|
}
|
|
}
|