kfilterdev.h

00001 /* This file is part of the KDE libraries
00002    Copyright (C) 2000 David Faure <faure@kde.org>
00003 
00004    This library is free software; you can redistribute it and/or
00005    modify it under the terms of the GNU Library General Public
00006    License version 2 as published by the Free Software Foundation.
00007 
00008    This library is distributed in the hope that it will be useful,
00009    but WITHOUT ANY WARRANTY; without even the implied warranty of
00010    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
00011    Library General Public License for more details.
00012 
00013    You should have received a copy of the GNU Library General Public License
00014    along with this library; see the file COPYING.LIB.  If not, write to
00015    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
00016    Boston, MA 02110-1301, USA.
00017 */
00018 #ifndef __kfilterdev_h
00019 #define __kfilterdev_h
00020 
00021 #include <qiodevice.h>
00022 #include <qstring.h>
00023 #include <kdelibs_export.h>
00024 
00025 class QFile;
00026 class KFilterBase;
00027 
00036 class KIO_EXPORT KFilterDev : public QIODevice
00037 {
00038 public:
00045     KFilterDev( KFilterBase * filter, bool autoDeleteFilterBase = false );
00050     virtual ~KFilterDev();
00051 
00056     virtual bool open( int mode );
00061     virtual void close();
00062     virtual void flush();
00063 
00069     void setOrigFileName( const QCString & fileName );
00070 
00077     void setSkipHeaders();
00078 
00079     // Not implemented
00080     virtual QIODevice::Offset size() const;
00081 
00082     virtual QIODevice::Offset at() const;
00086     virtual bool at( QIODevice::Offset );
00087 
00088     virtual bool atEnd() const;
00089 
00090     virtual Q_LONG readBlock( char *data, Q_ULONG maxlen );
00091     virtual Q_LONG writeBlock( const char *data, Q_ULONG len );
00092     //int readLine( char *data, uint maxlen );
00093 
00094     virtual int getch();
00095     virtual int putch( int );
00096     virtual int ungetch( int );
00097 
00098 #ifdef KDE_NO_COMPAT
00099 private:
00100 #endif
00101 
00108     static QIODevice* createFilterDevice(KFilterBase* base, QFile* file) KDE_DEPRECATED;
00109 public:
00110 
00137     static QIODevice * deviceForFile( const QString & fileName, const QString & mimetype = QString::null,
00138                                       bool forceFilter = false );
00139 
00158     static QIODevice * device( QIODevice* inDevice, const QString & mimetype);
00159     // BIC: merge with device() method below, using default value for autoDeleteInDevice
00160 
00181     static QIODevice * device( QIODevice* inDevice, const QString & mimetype, bool autoDeleteInDevice );
00182 
00183 private:
00184     KFilterBase *filter;
00185     class KFilterDevPrivate;
00186     KFilterDevPrivate * d;
00187 };
00188 
00189 
00190 #endif
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