File indexing completed on 2024-04-28 04:18:50

 // vim: set tabstop=4 shiftwidth=4 expandtab
 /*
 Gwenview - A simple image viewer for KDE
 Copyright 2000-2007 Aurélien Gâteau <agateau@kde.org>
 
 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., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 
 */
 // Self
 #include "archiveutils.h"
 
 // Qt
 #include <QMimeDatabase>
 
 // KF
 #include <KFileItem>
 #include <KProtocolManager>
 
 // Local
 #include "gwenview_lib_debug.h"
 
 namespace Gwenview
 {
 namespace ArchiveUtils
 {
 bool fileItemIsArchive(const KFileItem &item)
 {
     const QMimeType mimeType = item.determineMimeType();
     if (!mimeType.isValid()) {
         qCWarning(GWENVIEW_LIB_LOG) << "determineMimeType() returned a null pointer";
         return false;
     }
     return !ArchiveUtils::protocolForMimeType(mimeType.name()).isEmpty();
 }
 
 bool fileItemIsDirOrArchive(const KFileItem &item)
 {
     return item.isDir() || fileItemIsArchive(item);
 }
 
 QString protocolForMimeType(const QString &mimeType)
 {
     static QHash<QString, QString> cache;
     QHash<QString, QString>::ConstIterator it = cache.constFind(mimeType);
     if (it != cache.constEnd()) {
         return it.value();
     }
 
     if (mimeType == QLatin1String("image/svg+xml-compressed")) {
         // We don't want .svgz to be considered as archives because QtSvg knows
         // how to decode gzip-ed svg files
         cache.insert(mimeType, QString());
         return {};
     }
 
     QString protocol = KProtocolManager::protocolForArchiveMimetype(mimeType);
     if (protocol.isEmpty()) {
         // No protocol, try with mimeType parents. This is useful for .cbz for
         // example
         const QMimeType mime = QMimeDatabase().mimeTypeForName(mimeType);
         const QStringList allAncestors = mime.allAncestors();
         for (const QString &parentMimeType : allAncestors) {
             protocol = KProtocolManager::protocolForArchiveMimetype(parentMimeType);
             if (!protocol.isEmpty()) {
                 break;
             }
         }
     }
 
     cache.insert(mimeType, protocol);
     return protocol;
 }
 
 } // namespace ArchiveUtils
 
 } // namespace Gwenview