blob: e4ec52cbd3c02dd995688ecadee5302bd2e7873d [file] [log] [blame]
Constantin Kaplinskya2adc8d2006-05-25 05:01:55 +00001/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
2 *
3 * This is free software; you can redistribute it and/or modify
4 * it under the terms of the GNU General Public License as published by
5 * the Free Software Foundation; either version 2 of the License, or
6 * (at your option) any later version.
7 *
8 * This software is distributed in the hope that it will be useful,
9 * but WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
11 * GNU General Public License for more details.
12 *
13 * You should have received a copy of the GNU General Public License
14 * along with this software; if not, write to the Free Software
15 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307,
16 * USA.
17 */
18
19//
20// A FixedMemOutStream writes to a buffer of a fixed length.
21//
22
23#ifndef __RDR_FIXEDMEMOUTSTREAM_H__
24#define __RDR_FIXEDMEMOUTSTREAM_H__
25
26#include <rdr/OutStream.h>
27#include <rdr/Exception.h>
28
29namespace rdr {
30
31 class FixedMemOutStream : public OutStream {
32
33 public:
34
35 FixedMemOutStream(void* buf, int len) {
36 ptr = start = (U8*)buf;
37 end = start + len;
38 }
39
40 int length() { return ptr - start; }
41 void reposition(int pos) { ptr = start + pos; }
42 const void* data() { return (const void*)start; }
43
44 private:
45
46 int overrun(int itemSize, int nItems) { throw EndOfStream(); }
47 U8* start;
48 };
49
50}
51
52#endif