| /* 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); |
| ~PopplerInputStream(); |
| BaseStream *copy() override; |
| Stream *makeSubStream(Goffset start, GBool limited, |
| Goffset lengthA, Object &&dictA) override; |
| StreamKind getKind() override { return strWeird; } |
| void reset() override; |
| void close() override; |
| int getChar() override |
| { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr++ & 0xff); } |
| int lookChar() override |
| { return (bufPtr >= bufEnd && !fillBuf()) ? EOF : (*bufPtr & 0xff); } |
| Goffset getPos() override { return bufPos + (bufPtr - buf); } |
| void setPos(Goffset pos, int dir = 0) override; |
| Goffset getStart() override { return start; } |
| void moveStart(Goffset delta) override; |
| |
| int getUnfilteredChar() override { return getChar(); } |
| void unfilteredReset() override { reset(); } |
| |
| private: |
| |
| GBool fillBuf(); |
| |
| GBool hasGetChars() override { return true; } |
| int getChars(int nChars, Guchar *buffer) override; |
| |
| 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__ */ |