misc/quazip/quazipfile.cpp
author sheepluva
Thu, 20 Oct 2011 23:25:16 +0200
changeset 6160 863d3edf5690
parent 5752 ea95ee97c805
child 7889 57b117d441b9
permissions -rw-r--r--
cleaning up some more, also adding a WIP file. changes: hats in the hat selection are now sorted like this: NoHat, Reserved hats (alphabetically), All other hats (alphabeticall)
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/*
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Copyright (C) 2005-2011 Sergey A. Tachenov
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This program is free software; you can redistribute it and/or modify it
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under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation; either version 2 of the License, or (at
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your option) any later version.
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This program is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser
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General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; if not, write to the Free Software Foundation,
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Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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See COPYING file for the full LGPL text.
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Original ZIP package is copyrighted by Gilles Vollant, see
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quazip/(un)zip.h files for details, basically it's zlib license.
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 **/
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#include "quazipfile.h"
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using namespace std;
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class QuaZipFilePrivate {
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  friend class QuaZipFile;
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  private:
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    QuaZipFile *q;
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    QuaZip *zip;
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    QString fileName;
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    QuaZip::CaseSensitivity caseSensitivity;
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    bool raw;
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    qint64 writePos;
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    // these two are for writing raw files
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    ulong uncompressedSize;
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    quint32 crc;
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    bool internal;
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    int zipError;
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    inline void resetZipError() const {setZipError(UNZ_OK);}
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    // const, but sets zipError!
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    void setZipError(int zipError) const;
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    inline QuaZipFilePrivate(QuaZipFile *q):
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      q(q), zip(NULL), internal(true), zipError(UNZ_OK) {}
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    inline QuaZipFilePrivate(QuaZipFile *q, const QString &zipName):
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      q(q), internal(true), zipError(UNZ_OK)
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      {
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        zip=new QuaZip(zipName);
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      }
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    inline QuaZipFilePrivate(QuaZipFile *q, const QString &zipName, const QString &fileName,
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        QuaZip::CaseSensitivity cs):
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      q(q), internal(true), zipError(UNZ_OK)
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      {
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        zip=new QuaZip(zipName);
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        this->fileName=fileName;
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        this->caseSensitivity=cs;
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      }
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    inline QuaZipFilePrivate(QuaZipFile *q, QuaZip *zip):
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      q(q), zip(zip), internal(false), zipError(UNZ_OK) {}
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    inline ~QuaZipFilePrivate()
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    {
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      if (internal)
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        delete zip;
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    }
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};
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QuaZipFile::QuaZipFile():
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  p(new QuaZipFilePrivate(this))
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{
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}
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QuaZipFile::QuaZipFile(QObject *parent):
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  QIODevice(parent),
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  p(new QuaZipFilePrivate(this))
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{
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}
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QuaZipFile::QuaZipFile(const QString& zipName, QObject *parent):
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  QIODevice(parent),
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  p(new QuaZipFilePrivate(this, zipName))
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{
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}
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QuaZipFile::QuaZipFile(const QString& zipName, const QString& fileName,
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    QuaZip::CaseSensitivity cs, QObject *parent):
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  QIODevice(parent),
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  p(new QuaZipFilePrivate(this, zipName, fileName, cs))
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{
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}
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QuaZipFile::QuaZipFile(QuaZip *zip, QObject *parent):
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  QIODevice(parent),
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  p(new QuaZipFilePrivate(this, zip))
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{
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}
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QuaZipFile::~QuaZipFile()
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{
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  if (isOpen())
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    close();
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  delete p;
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}
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QString QuaZipFile::getZipName() const
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{
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  return p->zip==NULL ? QString() : p->zip->getZipName();
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}
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QString QuaZipFile::getActualFileName()const
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{
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  p->setZipError(UNZ_OK);
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  if (p->zip == NULL || (openMode() & WriteOnly))
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    return QString();
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  QString name=p->zip->getCurrentFileName();
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  if(name.isNull())
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    p->setZipError(p->zip->getZipError());
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  return name;
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}
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void QuaZipFile::setZipName(const QString& zipName)
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{
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  if(isOpen()) {
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    qWarning("QuaZipFile::setZipName(): file is already open - can not set ZIP name");
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    return;
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  }
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  if(p->zip!=NULL && p->internal)
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    delete p->zip;
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  p->zip=new QuaZip(zipName);
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  p->internal=true;
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}
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void QuaZipFile::setZip(QuaZip *zip)
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{
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  if(isOpen()) {
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    qWarning("QuaZipFile::setZip(): file is already open - can not set ZIP");
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    return;
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  }
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  if(p->zip!=NULL && p->internal)
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    delete p->zip;
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  p->zip=zip;
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  p->fileName=QString();
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  p->internal=false;
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}
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void QuaZipFile::setFileName(const QString& fileName, QuaZip::CaseSensitivity cs)
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{
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  if(p->zip==NULL) {
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    qWarning("QuaZipFile::setFileName(): call setZipName() first");
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    return;
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  }
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  if(!p->internal) {
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    qWarning("QuaZipFile::setFileName(): should not be used when not using internal QuaZip");
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    return;
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  }
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  if(isOpen()) {
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    qWarning("QuaZipFile::setFileName(): can not set file name for already opened file");
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    return;
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  }
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  p->fileName=fileName;
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  p->caseSensitivity=cs;
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}
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void QuaZipFilePrivate::setZipError(int zipError) const
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{
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  QuaZipFilePrivate *fakeThis = const_cast<QuaZipFilePrivate*>(this); // non-const
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  fakeThis->zipError=zipError;
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  if(zipError==UNZ_OK)
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    q->setErrorString(QString());
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  else
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    q->setErrorString(q->tr("ZIP/UNZIP API error %1").arg(zipError));
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}
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bool QuaZipFile::open(OpenMode mode)
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{
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  return open(mode, NULL);
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}
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bool QuaZipFile::open(OpenMode mode, int *method, int *level, bool raw, const char *password)
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{
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  p->resetZipError();
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  if(isOpen()) {
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    qWarning("QuaZipFile::open(): already opened");
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    return false;
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  }
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  if(mode&Unbuffered) {
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    qWarning("QuaZipFile::open(): Unbuffered mode is not supported");
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    return false;
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  }
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  if((mode&ReadOnly)&&!(mode&WriteOnly)) {
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    if(p->internal) {
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      if(!p->zip->open(QuaZip::mdUnzip)) {
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        p->setZipError(p->zip->getZipError());
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        return false;
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      }
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      if(!p->zip->setCurrentFile(p->fileName, p->caseSensitivity)) {
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        p->setZipError(p->zip->getZipError());
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        p->zip->close();
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        return false;
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      }
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    } else {
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      if(p->zip==NULL) {
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        qWarning("QuaZipFile::open(): zip is NULL");
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        return false;
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      }
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      if(p->zip->getMode()!=QuaZip::mdUnzip) {
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        qWarning("QuaZipFile::open(): file open mode %d incompatible with ZIP open mode %d",
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            (int)mode, (int)p->zip->getMode());
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        return false;
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      }
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      if(!p->zip->hasCurrentFile()) {
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        qWarning("QuaZipFile::open(): zip does not have current file");
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        return false;
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      }
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    }
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    p->setZipError(unzOpenCurrentFile3(p->zip->getUnzFile(), method, level, (int)raw, password));
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    if(p->zipError==UNZ_OK) {
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      setOpenMode(mode);
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      p->raw=raw;
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      return true;
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    } else
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      return false;
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  }
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  qWarning("QuaZipFile::open(): open mode %d not supported by this function", (int)mode);
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  return false;
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}
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bool QuaZipFile::open(OpenMode mode, const QuaZipNewInfo& info,
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    const char *password, quint32 crc,
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    int method, int level, bool raw,
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    int windowBits, int memLevel, int strategy)
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{
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  zip_fileinfo info_z;
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  p->resetZipError();
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  if(isOpen()) {
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    qWarning("QuaZipFile::open(): already opened");
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    return false;
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  }
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  if((mode&WriteOnly)&&!(mode&ReadOnly)) {
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    if(p->internal) {
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      qWarning("QuaZipFile::open(): write mode is incompatible with internal QuaZip approach");
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      return false;
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    }
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    if(p->zip==NULL) {
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      qWarning("QuaZipFile::open(): zip is NULL");
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      return false;
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    }
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    if(p->zip->getMode()!=QuaZip::mdCreate&&p->zip->getMode()!=QuaZip::mdAppend&&p->zip->getMode()!=QuaZip::mdAdd) {
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      qWarning("QuaZipFile::open(): file open mode %d incompatible with ZIP open mode %d",
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          (int)mode, (int)p->zip->getMode());
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      return false;
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    }
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    info_z.tmz_date.tm_year=info.dateTime.date().year();
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    info_z.tmz_date.tm_mon=info.dateTime.date().month() - 1;
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    info_z.tmz_date.tm_mday=info.dateTime.date().day();
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    info_z.tmz_date.tm_hour=info.dateTime.time().hour();
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    info_z.tmz_date.tm_min=info.dateTime.time().minute();
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    info_z.tmz_date.tm_sec=info.dateTime.time().second();
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    info_z.dosDate = 0;
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    info_z.internal_fa=(uLong)info.internalAttr;
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    info_z.external_fa=(uLong)info.externalAttr;
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   263
    p->setZipError(zipOpenNewFileInZip3(p->zip->getZipFile(),
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          p->zip->getFileNameCodec()->fromUnicode(info.name).constData(), &info_z,
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          info.extraLocal.constData(), info.extraLocal.length(),
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          info.extraGlobal.constData(), info.extraGlobal.length(),
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          p->zip->getCommentCodec()->fromUnicode(info.comment).constData(),
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          method, level, (int)raw,
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          windowBits, memLevel, strategy,
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          password, (uLong)crc));
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    if(p->zipError==UNZ_OK) {
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      p->writePos=0;
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      setOpenMode(mode);
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      p->raw=raw;
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   275
      if(raw) {
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        p->crc=crc;
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        p->uncompressedSize=info.uncompressedSize;
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   278
      }
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      return true;
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   280
    } else
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      return false;
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   282
  }
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  qWarning("QuaZipFile::open(): open mode %d not supported by this function", (int)mode);
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   284
  return false;
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   285
}
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   286
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bool QuaZipFile::isSequential()const
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{
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   289
  return true;
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   290
}
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   291
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   292
qint64 QuaZipFile::pos()const
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{
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   294
  if(p->zip==NULL) {
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   295
    qWarning("QuaZipFile::pos(): call setZipName() or setZip() first");
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   296
    return -1;
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   297
  }
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   298
  if(!isOpen()) {
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   299
    qWarning("QuaZipFile::pos(): file is not open");
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   300
    return -1;
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   301
  }
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   302
  if(openMode()&ReadOnly)
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   303
    return unztell(p->zip->getUnzFile());
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   304
  else
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   305
    return p->writePos;
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   306
}
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   307
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   308
bool QuaZipFile::atEnd()const
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   309
{
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   310
  if(p->zip==NULL) {
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   311
    qWarning("QuaZipFile::atEnd(): call setZipName() or setZip() first");
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   312
    return false;
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   313
  }
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   314
  if(!isOpen()) {
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   315
    qWarning("QuaZipFile::atEnd(): file is not open");
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   316
    return false;
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   317
  }
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   318
  if(openMode()&ReadOnly)
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   319
    return unzeof(p->zip->getUnzFile())==1;
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   320
  else
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   321
    return true;
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   322
}
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   323
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   324
qint64 QuaZipFile::size()const
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   325
{
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   326
  if(!isOpen()) {
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   327
    qWarning("QuaZipFile::atEnd(): file is not open");
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   328
    return -1;
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diff changeset
   329
  }
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   330
  if(openMode()&ReadOnly)
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   331
    return p->raw?csize():usize();
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   332
  else
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   333
    return p->writePos;
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   334
}
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   335
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   336
qint64 QuaZipFile::csize()const
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   337
{
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   338
  unz_file_info info_z;
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   339
  p->setZipError(UNZ_OK);
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   340
  if(p->zip==NULL||p->zip->getMode()!=QuaZip::mdUnzip) return -1;
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   341
  p->setZipError(unzGetCurrentFileInfo(p->zip->getUnzFile(), &info_z, NULL, 0, NULL, 0, NULL, 0));
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   342
  if(p->zipError!=UNZ_OK)
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   343
    return -1;
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   344
  return info_z.compressed_size;
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   345
}
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   346
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   347
qint64 QuaZipFile::usize()const
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   348
{
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diff changeset
   349
  unz_file_info info_z;
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   350
  p->setZipError(UNZ_OK);
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   351
  if(p->zip==NULL||p->zip->getMode()!=QuaZip::mdUnzip) return -1;
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   352
  p->setZipError(unzGetCurrentFileInfo(p->zip->getUnzFile(), &info_z, NULL, 0, NULL, 0, NULL, 0));
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   353
  if(p->zipError!=UNZ_OK)
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   354
    return -1;
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   355
  return info_z.uncompressed_size;
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   356
}
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   357
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   358
bool QuaZipFile::getFileInfo(QuaZipFileInfo *info)
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   359
{
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   360
  if(p->zip==NULL||p->zip->getMode()!=QuaZip::mdUnzip) return false;
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parents:
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   361
  p->zip->getCurrentFileInfo(info);
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   362
  p->setZipError(p->zip->getZipError());
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parents:
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   363
  return p->zipError==UNZ_OK;
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parents:
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   364
}
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parents:
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   365
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   366
void QuaZipFile::close()
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   367
{
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   368
  p->resetZipError();
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   369
  if(p->zip==NULL||!p->zip->isOpen()) return;
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   370
  if(!isOpen()) {
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   371
    qWarning("QuaZipFile::close(): file isn't open");
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   372
    return;
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   373
  }
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   374
  if(openMode()&ReadOnly)
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   375
    p->setZipError(unzCloseCurrentFile(p->zip->getUnzFile()));
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   376
  else if(openMode()&WriteOnly)
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   377
    if(isRaw()) p->setZipError(zipCloseFileInZipRaw(p->zip->getZipFile(), p->uncompressedSize, p->crc));
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parents:
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   378
    else p->setZipError(zipCloseFileInZip(p->zip->getZipFile()));
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parents:
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   379
  else {
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parents:
diff changeset
   380
    qWarning("Wrong open mode: %d", (int)openMode());
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   381
    return;
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   382
  }
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   383
  if(p->zipError==UNZ_OK) setOpenMode(QIODevice::NotOpen);
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parents:
diff changeset
   384
  else return;
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parents:
diff changeset
   385
  if(p->internal) {
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parents:
diff changeset
   386
    p->zip->close();
ea95ee97c805 Add QuaZIP library to build system
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parents:
diff changeset
   387
    p->setZipError(p->zip->getZipError());
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parents:
diff changeset
   388
  }
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parents:
diff changeset
   389
}
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diff changeset
   390
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unc0rr
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diff changeset
   391
qint64 QuaZipFile::readData(char *data, qint64 maxSize)
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parents:
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   392
{
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   393
  p->setZipError(UNZ_OK);
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parents:
diff changeset
   394
  qint64 bytesRead=unzReadCurrentFile(p->zip->getUnzFile(), data, (unsigned)maxSize);
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parents:
diff changeset
   395
  if(bytesRead<0) p->setZipError((int)bytesRead);
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parents:
diff changeset
   396
  return bytesRead;
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diff changeset
   397
}
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parents:
diff changeset
   398
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   399
qint64 QuaZipFile::writeData(const char* data, qint64 maxSize)
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parents:
diff changeset
   400
{
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parents:
diff changeset
   401
  p->setZipError(ZIP_OK);
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unc0rr
parents:
diff changeset
   402
  p->setZipError(zipWriteInFileInZip(p->zip->getZipFile(), data, (uint)maxSize));
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parents:
diff changeset
   403
  if(p->zipError!=ZIP_OK) return -1;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   404
  else {
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parents:
diff changeset
   405
    p->writePos+=maxSize;
ea95ee97c805 Add QuaZIP library to build system
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parents:
diff changeset
   406
    return maxSize;
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parents:
diff changeset
   407
  }
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unc0rr
parents:
diff changeset
   408
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   409
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   410
QString QuaZipFile::getFileName() const
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parents:
diff changeset
   411
{
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parents:
diff changeset
   412
  return p->fileName;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   413
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   414
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   415
QuaZip::CaseSensitivity QuaZipFile::getCaseSensitivity() const
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   416
{
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parents:
diff changeset
   417
  return p->caseSensitivity;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   418
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   419
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   420
bool QuaZipFile::isRaw() const
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   421
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   422
  return p->raw;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   423
}
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   424
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   425
int QuaZipFile::getZipError() const
ea95ee97c805 Add QuaZIP library to build system
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parents:
diff changeset
   426
{
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   427
  return p->zipError;
ea95ee97c805 Add QuaZIP library to build system
unc0rr
parents:
diff changeset
   428
}