mirror of
https://github.com/RetroShare/RetroShare.git
synced 2024-12-10 16:34:23 -05:00
286 lines
8.1 KiB
C++
286 lines
8.1 KiB
C++
|
/*
|
||
|
-- A kind of "standard" GPL license statement --
|
||
|
QuaZIP - a Qt/C++ wrapper for the ZIP/UNZIP package
|
||
|
Copyright (C) 2005-2007 Sergey A. Tachenov
|
||
|
|
||
|
This program is free software; you can redistribute it and/or modify it
|
||
|
under the terms of the GNU 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 General
|
||
|
Public License for more details.
|
||
|
|
||
|
You should have received a copy of the GNU 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
|
||
|
|
||
|
-- A kind of "standard" GPL license statement ends here --
|
||
|
|
||
|
See COPYING file for GPL.
|
||
|
|
||
|
You are also permitted to use QuaZIP under the terms of LGPL (see
|
||
|
COPYING.LGPL). You are free to choose either license, but please note
|
||
|
that QuaZIP makes use of Qt, which is not licensed under LGPL. So if
|
||
|
you are using Open Source edition of Qt, you therefore MUST use GPL for
|
||
|
your code based on QuaZIP, since it would be also based on Qt in this
|
||
|
case. If you are Qt commercial license owner, then you are free to use
|
||
|
QuaZIP as long as you respect either GPL or LGPL for QuaZIP code.
|
||
|
**/
|
||
|
|
||
|
#include <QFile>
|
||
|
|
||
|
#include "quazip.h"
|
||
|
|
||
|
QuaZip::QuaZip():
|
||
|
fileNameCodec(QTextCodec::codecForLocale()),
|
||
|
commentCodec(QTextCodec::codecForLocale()),
|
||
|
mode(mdNotOpen), hasCurrentFile_f(false), zipError(UNZ_OK)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
QuaZip::QuaZip(const QString& zipName):
|
||
|
fileNameCodec(QTextCodec::codecForLocale()),
|
||
|
commentCodec(QTextCodec::codecForLocale()),
|
||
|
zipName(zipName),
|
||
|
mode(mdNotOpen), hasCurrentFile_f(false), zipError(UNZ_OK)
|
||
|
{
|
||
|
}
|
||
|
|
||
|
QuaZip::~QuaZip()
|
||
|
{
|
||
|
if(isOpen()) close();
|
||
|
}
|
||
|
|
||
|
bool QuaZip::open(Mode mode, zlib_filefunc_def* ioApi)
|
||
|
{
|
||
|
zipError=UNZ_OK;
|
||
|
if(isOpen()) {
|
||
|
qWarning("QuaZip::open(): ZIP already opened");
|
||
|
return false;
|
||
|
}
|
||
|
switch(mode) {
|
||
|
case mdUnzip:
|
||
|
unzFile_f=unzOpen2(QFile::encodeName(zipName).constData(), ioApi);
|
||
|
if(unzFile_f!=NULL) {
|
||
|
this->mode=mode;
|
||
|
return true;
|
||
|
} else {
|
||
|
zipError=UNZ_OPENERROR;
|
||
|
return false;
|
||
|
}
|
||
|
case mdCreate:
|
||
|
case mdAppend:
|
||
|
case mdAdd:
|
||
|
zipFile_f=zipOpen2(QFile::encodeName(zipName).constData(),
|
||
|
mode==mdCreate?APPEND_STATUS_CREATE:
|
||
|
mode==mdAppend?APPEND_STATUS_CREATEAFTER:
|
||
|
APPEND_STATUS_ADDINZIP,
|
||
|
NULL,
|
||
|
ioApi);
|
||
|
if(zipFile_f!=NULL) {
|
||
|
this->mode=mode;
|
||
|
return true;
|
||
|
} else {
|
||
|
zipError=UNZ_OPENERROR;
|
||
|
return false;
|
||
|
}
|
||
|
default:
|
||
|
qWarning("QuaZip::open(): unknown mode: %d", (int)mode);
|
||
|
return false;
|
||
|
break;
|
||
|
}
|
||
|
}
|
||
|
|
||
|
void QuaZip::close()
|
||
|
{
|
||
|
zipError=UNZ_OK;
|
||
|
switch(mode) {
|
||
|
case mdNotOpen:
|
||
|
qWarning("QuaZip::close(): ZIP is not open");
|
||
|
return;
|
||
|
case mdUnzip:
|
||
|
zipError=unzClose(unzFile_f);
|
||
|
break;
|
||
|
case mdCreate:
|
||
|
case mdAppend:
|
||
|
case mdAdd:
|
||
|
zipError=zipClose(zipFile_f, commentCodec->fromUnicode(comment).constData());
|
||
|
break;
|
||
|
default:
|
||
|
qWarning("QuaZip::close(): unknown mode: %d", (int)mode);
|
||
|
return;
|
||
|
}
|
||
|
if(zipError==UNZ_OK) mode=mdNotOpen;
|
||
|
}
|
||
|
|
||
|
void QuaZip::setZipName(const QString& zipName)
|
||
|
{
|
||
|
if(isOpen()) {
|
||
|
qWarning("QuaZip::setZipName(): ZIP is already open!");
|
||
|
return;
|
||
|
}
|
||
|
this->zipName=zipName;
|
||
|
}
|
||
|
|
||
|
int QuaZip::getEntriesCount()const
|
||
|
{
|
||
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
||
|
fakeThis->zipError=UNZ_OK;
|
||
|
if(mode!=mdUnzip) {
|
||
|
qWarning("QuaZip::getEntriesCount(): ZIP is not open in mdUnzip mode");
|
||
|
return -1;
|
||
|
}
|
||
|
unz_global_info globalInfo;
|
||
|
if((fakeThis->zipError=unzGetGlobalInfo(unzFile_f, &globalInfo))!=UNZ_OK)
|
||
|
return zipError;
|
||
|
return (int)globalInfo.number_entry;
|
||
|
}
|
||
|
|
||
|
QString QuaZip::getComment()const
|
||
|
{
|
||
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
||
|
fakeThis->zipError=UNZ_OK;
|
||
|
if(mode!=mdUnzip) {
|
||
|
qWarning("QuaZip::getComment(): ZIP is not open in mdUnzip mode");
|
||
|
return QString();
|
||
|
}
|
||
|
unz_global_info globalInfo;
|
||
|
QByteArray comment;
|
||
|
if((fakeThis->zipError=unzGetGlobalInfo(unzFile_f, &globalInfo))!=UNZ_OK)
|
||
|
return QString();
|
||
|
comment.resize(globalInfo.size_comment);
|
||
|
if((fakeThis->zipError=unzGetGlobalComment(unzFile_f, comment.data(), comment.size()))!=UNZ_OK)
|
||
|
return QString();
|
||
|
return commentCodec->toUnicode(comment);
|
||
|
}
|
||
|
|
||
|
bool QuaZip::setCurrentFile(const QString& fileName, CaseSensitivity cs)
|
||
|
{
|
||
|
zipError=UNZ_OK;
|
||
|
if(mode!=mdUnzip) {
|
||
|
qWarning("QuaZip::setCurrentFile(): ZIP is not open in mdUnzip mode");
|
||
|
return false;
|
||
|
}
|
||
|
if(fileName.isNull()) {
|
||
|
hasCurrentFile_f=false;
|
||
|
return true;
|
||
|
}
|
||
|
// Unicode-aware reimplementation of the unzLocateFile function
|
||
|
if(unzFile_f==NULL) {
|
||
|
zipError=UNZ_PARAMERROR;
|
||
|
return false;
|
||
|
}
|
||
|
if(fileName.length()>MAX_FILE_NAME_LENGTH) {
|
||
|
zipError=UNZ_PARAMERROR;
|
||
|
return false;
|
||
|
}
|
||
|
bool sens;
|
||
|
if(cs==csDefault) {
|
||
|
#ifdef Q_WS_WIN
|
||
|
sens=false;
|
||
|
#else
|
||
|
sens=true;
|
||
|
#endif
|
||
|
} else sens=cs==csSensitive;
|
||
|
QString lower, current;
|
||
|
if(!sens) lower=fileName.toLower();
|
||
|
hasCurrentFile_f=false;
|
||
|
for(bool more=goToFirstFile(); more; more=goToNextFile()) {
|
||
|
current=getCurrentFileName();
|
||
|
if(current.isNull()) return false;
|
||
|
if(sens) {
|
||
|
if(current==fileName) break;
|
||
|
} else {
|
||
|
if(current.toLower()==lower) break;
|
||
|
}
|
||
|
}
|
||
|
return hasCurrentFile_f;
|
||
|
}
|
||
|
|
||
|
bool QuaZip::goToFirstFile()
|
||
|
{
|
||
|
zipError=UNZ_OK;
|
||
|
if(mode!=mdUnzip) {
|
||
|
qWarning("QuaZip::goToFirstFile(): ZIP is not open in mdUnzip mode");
|
||
|
return false;
|
||
|
}
|
||
|
zipError=unzGoToFirstFile(unzFile_f);
|
||
|
hasCurrentFile_f=zipError==UNZ_OK;
|
||
|
return hasCurrentFile_f;
|
||
|
}
|
||
|
|
||
|
bool QuaZip::goToNextFile()
|
||
|
{
|
||
|
zipError=UNZ_OK;
|
||
|
if(mode!=mdUnzip) {
|
||
|
qWarning("QuaZip::goToFirstFile(): ZIP is not open in mdUnzip mode");
|
||
|
return false;
|
||
|
}
|
||
|
zipError=unzGoToNextFile(unzFile_f);
|
||
|
hasCurrentFile_f=zipError==UNZ_OK;
|
||
|
if(zipError==UNZ_END_OF_LIST_OF_FILE) zipError=UNZ_OK;
|
||
|
return hasCurrentFile_f;
|
||
|
}
|
||
|
|
||
|
bool QuaZip::getCurrentFileInfo(QuaZipFileInfo *info)const
|
||
|
{
|
||
|
QuaZip *fakeThis=(QuaZip*)this; // non-const
|
||
|
fakeThis->zipError=UNZ_OK;
|
||
|
if(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->zipError=unzGetCurrentFileInfo(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->zipError=unzGetCurrentFileInfo(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=fileNameCodec->toUnicode(fileName);
|
||
|
info->comment=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->zipError=UNZ_OK;
|
||
|
if(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->zipError=unzGetCurrentFileInfo(unzFile_f, NULL, fileName.data(), fileName.size(),
|
||
|
NULL, 0, NULL, 0))!=UNZ_OK)
|
||
|
return QString();
|
||
|
return fileNameCodec->toUnicode(fileName.constData());
|
||
|
}
|