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/* poppler-input-stream.h: glib interface to poppler
*
* Copyright (C) 2012 Carlos Garcia Campos <carlosgc@gnome.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef __POPPLER_INPUT_STREAM_H__
#define __POPPLER_INPUT_STREAM_H__
#include <gio/gio.h>
#ifndef __GI_SCANNER__
#include <Object.h>
#include <Stream.h>
#define inputStreamBufSize 1024
class PopplerInputStream: public BaseStream {
public:
PopplerInputStream(GInputStream *inputStream, GCancellable *cancellableA,
Goffset startA, GBool limitedA, Goffset lengthA, Object *dictA);
virtual ~PopplerInputStream();
virtual BaseStream *copy();
virtual Stream *makeSubStream(Goffset start, GBool limited,
Goffset lengthA, Object *dictA);
virtual StreamKind getKind() { return strWeird; }
virtual void reset();
virtual void close();
virtual int getChar()
{ return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); }
virtual int lookChar()
{ return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); }
virtual Goffset getPos() { return bufPos + (bufPtr - buf); }
virtual void setPos(Goffset pos, int dir = 0);
virtual Goffset getStart() { return start; }
virtual void moveStart(Goffset delta);
virtual int getUnfilteredChar() { return getChar(); }
virtual void unfilteredReset() { reset(); }
private:
GBool fillBuf();
virtual GBool hasGetChars() { return true; }
virtual int getChars(int nChars, Guchar *buffer);
GInputStream *inputStream;
GCancellable *cancellable;
Goffset start;
GBool limited;
char buf[inputStreamBufSize];
char *bufPtr;
char *bufEnd;
Goffset bufPos;
int savePos;
GBool saved;
};
#endif /* __GI_SCANNER__ */
#endif /* __POPPLER_INPUT_STREAM_H__ */
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