Warning, file /office/calligra/libs/store/KoZipStore.cpp was not indexed or was modified since last indexation (in which case cross-reference links may be missing, inaccurate or erroneous).

 /* This file is part of the KDE project
    Copyright (C) 2000-2002 David Faure <faure@kde.org>
    Copyright (C) 2010 C. Boemann <cbo@boemann.dk>
 
    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.
 
    This library 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
    Library General Public License for more details.
 
    You should have received a copy of the GNU Library General Public License
    along with this library; see the file COPYING.LIB.  If not, write to
    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
  * Boston, MA 02110-1301, USA.
 */
 
 #include "KoZipStore.h"
 #include "KoStore_p.h"
 
 #include <QBuffer>
 #include <QByteArray>
 
 #include <kzip.h>
 #include <StoreDebug.h>
 
 #include <QUrl>
 #include <KoNetAccess.h>
 
 KoZipStore::KoZipStore(const QString & _filename, Mode mode, const QByteArray & appIdentification,
                        bool writeMimetype)
   : KoStore(mode, writeMimetype)
 {
     debugStore << "KoZipStore Constructor filename =" << _filename
     << " mode = " << int(mode)
     << " mimetype = " << appIdentification << endl;
     Q_D(KoStore);
 
     d->localFileName = _filename;
 
     m_pZip = new KZip(_filename);
 
     init(appIdentification);   // open the zip file and init some vars
 }
 
 KoZipStore::KoZipStore(QIODevice *dev, Mode mode, const QByteArray & appIdentification,
                        bool writeMimetype)
   : KoStore(mode, writeMimetype)
 {
     m_pZip = new KZip(dev);
     init(appIdentification);
 }
 
 KoZipStore::KoZipStore(QWidget* window, const QUrl &_url, const QString & _filename, Mode mode,
                        const QByteArray & appIdentification, bool writeMimetype)
   : KoStore(mode, writeMimetype)
 {
     debugStore << "KoZipStore Constructor url" << _url.url(QUrl::PreferLocalFile)
     << " filename = " << _filename
     << " mode = " << int(mode)
     << " mimetype = " << appIdentification << endl;
     Q_D(KoStore);
 
     d->url = _url;
     d->window = window;
 
     if (mode == KoStore::Read) {
         d->fileMode = KoStorePrivate::RemoteRead;
         d->localFileName = _filename;
 
     } else {
         d->fileMode = KoStorePrivate::RemoteWrite;
         d->localFileName = QLatin1String("/tmp/kozip"); // ### FIXME with KTempFile
     }
 
     m_pZip = new KZip(d->localFileName);
     init(appIdentification);   // open the zip file and init some vars
 }
 
 KoZipStore::~KoZipStore()
 {
     Q_D(KoStore);
     debugStore << "KoZipStore::~KoZipStore";
     if (!d->finalized)
         finalize(); // ### no error checking when the app forgot to call finalize itself
     delete m_pZip;
 
     // Now we have still some job to do for remote files.
     if (d->fileMode == KoStorePrivate::RemoteRead) {
         KIO::NetAccess::removeTempFile(d->localFileName);
     } else if (d->fileMode == KoStorePrivate::RemoteWrite) {
         KIO::NetAccess::upload(d->localFileName, d->url, d->window);
         // ### FIXME: delete temp file
     }
 }
 
 void KoZipStore::init(const QByteArray& appIdentification)
 {
     Q_D(KoStore);
 
     m_currentDir = 0;
     d->good = m_pZip->open(d->mode == Write ? QIODevice::WriteOnly : QIODevice::ReadOnly);
 
     if (!d->good)
         return;
 
     if (d->mode == Write) {
         //debugStore <<"KoZipStore::init writing mimetype" << appIdentification;
 
         m_pZip->setCompression(KZip::NoCompression);
         m_pZip->setExtraField(KZip::NoExtraField);
 
         // Write identification
         if (d->writeMimetype) {
             (void)m_pZip->writeFile(QLatin1String("mimetype"), appIdentification);
         }
 
         m_pZip->setCompression(KZip::DeflateCompression);
         // We don't need the extra field in Calligra - so we leave it as "no extra field".
     } else {
         d->good = m_pZip->directory() != 0;
     }
 }
 
 void KoZipStore::setCompressionEnabled(bool e)
 {
     if (e) {
         m_pZip->setCompression(KZip::DeflateCompression);
     } else {
         m_pZip->setCompression(KZip::NoCompression);        
     }
 }
 
 bool KoZipStore::doFinalize()
 {
     return m_pZip->close();
 }
 
 bool KoZipStore::openWrite(const QString& name)
 {
     Q_D(KoStore);
     d->stream = 0; // Don't use!
     return m_pZip->prepareWriting(name, "", "" /*m_pZip->rootDir()->user(), m_pZip->rootDir()->group()*/, 0);
 }
 
 bool KoZipStore::openRead(const QString& name)
 {
     Q_D(KoStore);
     const KArchiveEntry * entry = m_pZip->directory()->entry(name);
     if (entry == 0) {
         return false;
     }
     if (entry->isDirectory()) {
         warnStore << name << " is a directory !";
         return false;
     }
     // Must cast to KZipFileEntry, not only KArchiveFile, because device() isn't virtual!
     const KZipFileEntry * f = static_cast<const KZipFileEntry *>(entry);
     delete d->stream;
     d->stream = f->createDevice();
     d->size = f->size();
     return true;
 }
 
 qint64 KoZipStore::write(const char* _data, qint64 _len)
 {
     Q_D(KoStore);
     if (_len == 0) return 0;
     //debugStore <<"KoZipStore::write" << _len;
 
     if (!d->isOpen) {
         errorStore << "KoStore: You must open before writing" << endl;
         return 0;
     }
     if (d->mode != Write) {
         errorStore << "KoStore: Can not write to store that is opened for reading" << endl;
         return 0;
     }
 
     d->size += _len;
     if (m_pZip->writeData(_data, _len))     // writeData returns a bool!
         return _len;
     return 0;
 }
 
 QStringList KoZipStore::directoryList() const
 {
     QStringList retval;
     const KArchiveDirectory *directory = m_pZip->directory();
     foreach(const QString &name, directory->entries()) {
         const KArchiveEntry* fileArchiveEntry = m_pZip->directory()->entry(name);
         if (fileArchiveEntry->isDirectory()) {
             retval << name;
         }
     }
     return retval;
 }
 
 bool KoZipStore::closeWrite()
 {
     Q_D(KoStore);
     debugStore << "Wrote file" << d->fileName << " into ZIP archive. size" << d->size;
     return m_pZip->finishWriting(d->size);
 }
 
 bool KoZipStore::enterRelativeDirectory(const QString& dirName)
 {
     Q_D(KoStore);
     if (d->mode == Read) {
         if (!m_currentDir) {
             m_currentDir = m_pZip->directory(); // initialize
             Q_ASSERT(d->currentPath.isEmpty());
         }
         const KArchiveEntry *entry = m_currentDir->entry(dirName);
         if (entry && entry->isDirectory()) {
             m_currentDir = dynamic_cast<const KArchiveDirectory*>(entry);
             return m_currentDir != 0;
         }
         return false;
     } else // Write, no checking here
         return true;
 }
 
 bool KoZipStore::enterAbsoluteDirectory(const QString& path)
 {
     if (path.isEmpty()) {
         m_currentDir = 0;
         return true;
     }
     m_currentDir = dynamic_cast<const KArchiveDirectory*>(m_pZip->directory()->entry(path));
     Q_ASSERT(m_currentDir);
     return m_currentDir != 0;
 }
 
 bool KoZipStore::fileExists(const QString& absPath) const
 {
     const KArchiveEntry *entry = m_pZip->directory()->entry(absPath);
     return entry && entry->isFile();
 }