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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 <tqiodevice.h>
00022 #include <tqstring.h>
00023 #include <kdelibs_export.h>
00024 
00025 class TQFile;
00026 class KFilterBase;
00027 
00036 class KIO_EXPORT KFilterDev : public TQIODevice
00037 {
00038 public:
00045     KFilterDev( KFilterBase * filter, bool autoDeleteFilterBase = false );
00050     virtual ~KFilterDev();
00051 
00056 #ifdef qdoc
00057 #else
00058     virtual bool open( TQ_OpenMode mode );
00059 #endif
00060 
00064     virtual void close();
00065     virtual void flush();
00066 
00072     void setOrigFileName( const TQCString & fileName );
00073 
00080     void setSkipHeaders();
00081 
00082     // Not implemented
00083 #ifdef qdoc
00084 #else
00085 #ifdef USE_QT4
00086     virtual qint64 size() const;
00087 #else // USE_QT4
00088     virtual TQIODevice::Offset size() const;
00089 #endif // USE_QT4
00090 #endif
00091 
00092     virtual TQIODevice::Offset at() const;
00096     virtual bool at( TQIODevice::Offset );
00097 
00098     virtual bool atEnd() const;
00099 
00100 #ifdef qdoc
00101 #else
00102     virtual TQT_TQIO_LONG tqreadBlock( char *data, TQT_TQIO_ULONG maxlen );
00103     virtual TQT_TQIO_LONG tqwriteBlock( const char *data, TQT_TQIO_ULONG len );
00104 #endif
00105     //int readLine( char *data, uint maxlen );
00106 
00107     virtual int getch();
00108     virtual int putch( int );
00109     virtual int ungetch( int );
00110 
00111 #ifdef KDE_NO_COMPAT
00112 private:
00113 #endif
00114 
00121     static TQIODevice* createFilterDevice(KFilterBase* base, TQFile* file) KDE_DEPRECATED;
00122 public:
00123 
00150     static TQIODevice * deviceForFile( const TQString & fileName, const TQString & mimetype = TQString::null,
00151                                       bool forceFilter = false );
00152 
00171     static TQIODevice * device( TQIODevice* inDevice, const TQString & mimetype);
00172     // BIC: merge with device() method below, using default value for autoDeleteInDevice
00173 
00194     static TQIODevice * device( TQIODevice* inDevice, const TQString & mimetype, bool autoDeleteInDevice );
00195 
00196 private:
00197     KFilterBase *filter;
00198     class KFilterDevPrivate;
00199     KFilterDevPrivate * d;
00200 };
00201 
00202 
00203 #endif
00204 

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