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Go to the documentation of this file.
 * This file is a part of QComicBook.
 * Copyright (C) 2005-2006 Pawel Stolowski <yogin@linux.bydg.org>
 * QComicBook is free software; you can redestribute it and/or modify it
 * under terms of GNU General Public License by Free Software Foundation.
 * This program is distributed in the hope that it will be useful, but
 * WITHOUT ANY WARRANTY. See GPL for more details.

/*! \file imgarchivesink.h */


#include <qstring.h>
#include <qobject.h>
#include <qstringlist.h>
#include <qvaluelist.h>
#include "imgdirsink.h"

class QImage;
class QProcess;

namespace QComicBook
      //! Comic book archive sink.
      /*! Allows opening different kind of archives containing image files. */
00031       class ImgArchiveSink: public ImgDirSink

                  enum ArchiveType {
                        RAR_ARCHIVE = 1,
                        ZIP_ARCHIVE = 2,
                        ACE_ARCHIVE = 4,
                        TARGZ_ARCHIVE = 8,
                        TARBZ2_ARCHIVE = 16,
                        UNKNOWN_ARCHIVE = 2<<31

                  struct ArchiveTypeInfo
                        ArchiveType type;
                        QString name;
                        QStringList listopts;
                        QStringList extractopts;
                        QStringList compressopts;
                        QStringList extensions;
                        bool reading;
                        bool writing;


00059                   ArchiveType archivetype; ///< the type of currently opened archive
00060                   QProcess *pext; ///< extracting process
00061                   QProcess *pinf; ///< file list extracing process
00062                   QString archivename; ///< archive file name, without path
00063                   QString archivepath; ///< full path, including archive name
00064                   QString tmppath; ///< path to extracted archive
00065                   QStringList archfiles; ///< list of archive files
00066                   QStringList archdirs; ///< list of archive dirs
00067                   int filesnum; ///< number of files gathered from parsing archiver output, used for progress bar
00068                   int extcnt; ///< extracted files counter for progress bar

                  static QValueList<ArchiveTypeInfo> archinfo;
                  static int suppopen;
                  static int suppsave;
00074                   static QString openext; ///< supported archives extensions (for open)
00075                   static QString saveext; ///< supported archives extensions (for save)

                  static void autoconfRAR();
                  static void autoconfZIP();
                  static void autoconfACE();
                  static void autoconfTARGZ();
                  static void autoconfTARBZ2();

                  //! Determines archive type
                  /*! Determines archive type basing on filename extension. As a last effort, if
                   *  the check fails, tries to guess archive type basing on well known magic bytes.
                   *  @param filename name of the archive, with path */
                  static ArchiveType archiveType(const QString &filename);
                  int extract(const QString &filename, const QString &destdir);
                  void init();
                  virtual void doCleanup();
            protected slots:
                  void extractExited();
                  void extractStdoutReady();
                  void infoStdoutReady();
                  void infoExited();

                  ImgArchiveSink(const QString &path);
                  ImgArchiveSink(const ImgDirSink &sink);
                  virtual ~ImgArchiveSink();

                  virtual int open(const QString &path);
                  virtual void close();
                  virtual QString getName(int maxlen = 50);
                  virtual QString getFullName() const;

                  virtual bool supportsNext() const;
                  virtual QString getNext() const;
                  virtual QString getPrevious() const;

                  static void autoconfArchivers();
                  static int supportedArchives();
                  static QValueList<ImgArchiveSink::ArchiveTypeInfo> supportedArchivesInfo();
                  static bool supportsOpen(ArchiveType t);
                  static bool supportsSave(ArchiveType t);
                  static QString supportedOpenExtensions();
                  static QString supportedSaveExtensions();
                  static QString makeTempDir();


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