kfilterdev.h

/* This file is part of the KDE libraries
   Copyright (C) 2000 David Faure <faure@kde.org>
 
   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License version 2 as published by the Free Software Foundation.
 
   This library 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
   Library General Public License for more details.
 
   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
   Boston, MA 02110-1301, USA.
*/
#ifndef __kfilterdev_h
#define __kfilterdev_h
 
#include <tqiodevice.h>
#include <tqstring.h>
#include <tdelibs_export.h>
 
class TQFile;
class KFilterBase;

class TDEIO_EXPORT KFilterDev : public TQIODevice
{
public:
    KFilterDev( KFilterBase * filter, bool autoDeleteFilterBase = false );
    virtual ~KFilterDev();

#ifdef qdoc
#else
    virtual bool open( int mode );
#endif
    virtual void close();
    virtual void flush();

    void setOrigFileName( const TQCString & fileName );

    void setSkipHeaders();
 
    // Not implemented
#ifdef qdoc
#else
    virtual TQIODevice::Offset size() const;
#endif
 
    virtual TQIODevice::Offset at() const;
    virtual bool at( TQIODevice::Offset );
 
    virtual bool atEnd() const;
 
#ifdef qdoc
#else
    virtual TQ_LONG readBlock( char *data, TQ_ULONG maxlen );
    virtual TQ_LONG writeBlock( const char *data, TQ_ULONG len );
#endif
    //int readLine( char *data, uint maxlen );
 
    virtual int getch();
    virtual int putch( int );
    virtual int ungetch( int );
 
#ifdef KDE_NO_COMPAT
private:
#endif
    static TQIODevice* createFilterDevice(KFilterBase* base, TQFile* file) TDE_DEPRECATED;
public:

    static TQIODevice * deviceForFile( const TQString & fileName, const TQString & mimetype = TQString::null,
                                      bool forceFilter = false );

    static TQIODevice * device( TQIODevice* inDevice, const TQString & mimetype);
    // BIC: merge with device() method below, using default value for autoDeleteInDevice

    static TQIODevice * device( TQIODevice* inDevice, const TQString & mimetype, bool autoDeleteInDevice );
 
private:
    KFilterBase *filter;
    class KFilterDevPrivate;
    KFilterDevPrivate * d;
};
 
 
#endif