kfilterbase.h
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00019 #ifndef __kfilterbase__h
00020 #define __kfilterbase__h
00021
00022 #include <qobject.h>
00023 #include <qstring.h>
00024 class QIODevice;
00025
00031 class KFilterBase : public QObject
00032 {
00033 Q_OBJECT
00034 public:
00035 KFilterBase();
00036 virtual ~KFilterBase();
00037
00043 void setDevice( QIODevice * dev, bool autodelete = false );
00044
00045
00046
00051 QIODevice * device() { return m_dev; }
00053 virtual void init( int mode ) = 0;
00055 virtual int mode() const = 0;
00057 virtual void terminate() {}
00059 virtual void reset() {}
00061 virtual bool readHeader() = 0;
00063 virtual bool writeHeader( const QCString & filename ) = 0;
00065 virtual void setOutBuffer( char * data, uint maxlen ) = 0;
00067 virtual void setInBuffer( const char * data, uint size ) = 0;
00069 virtual bool inBufferEmpty() const { return inBufferAvailable() == 0; }
00071 virtual int inBufferAvailable() const = 0;
00073 virtual bool outBufferFull() const { return outBufferAvailable() == 0; }
00075 virtual int outBufferAvailable() const = 0;
00076
00078 enum Result { OK, END, ERROR };
00080 virtual Result uncompress() = 0;
00082 virtual Result compress( bool finish ) = 0;
00083
00090 static KFilterBase * findFilterByFileName( const QString & fileName );
00091
00098 static KFilterBase * findFilterByMimeType( const QString & mimeType );
00099
00100 protected:
00101 QIODevice * m_dev;
00102 bool m_bAutoDel;
00103 protected:
00104 virtual void virtual_hook( int id, void* data );
00105 private:
00106 class KFilterBasePrivate;
00107 };
00108
00109 #endif
This file is part of the documentation for kio Library Version 3.2.3.