xref: /reactos/dll/win32/hhctrl.ocx/stream.h (revision 1734f297)
1 /*
2  * Copyright 2007 Jacek Caban for CodeWeavers
3  *
4  * This library is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * This library is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with this library; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
17  */
18 
19 #ifndef HHCTRL_STREAM_H
20 #define HHCTRL_STREAM_H
21 
22 #define BLOCK_BITS 12
23 #define BLOCK_SIZE (1 << BLOCK_BITS)
24 #define BLOCK_MASK (BLOCK_SIZE-1)
25 
26 typedef struct {
27     char *buf;
28     int size;
29     int len;
30 } strbuf_t;
31 
32 typedef struct {
33     IStream *str;
34     char buf[BLOCK_SIZE];
35     ULONG size;
36     ULONG p;
37 } stream_t;
38 
39 void strbuf_init(strbuf_t *buf) DECLSPEC_HIDDEN;
40 void strbuf_zero(strbuf_t *buf) DECLSPEC_HIDDEN;
41 void strbuf_free(strbuf_t *buf) DECLSPEC_HIDDEN;
42 void stream_init(stream_t *stream, IStream *str) DECLSPEC_HIDDEN;
43 void get_node_name(strbuf_t *node, strbuf_t *name) DECLSPEC_HIDDEN;
44 BOOL next_content(stream_t *stream, strbuf_t *buf) DECLSPEC_HIDDEN;
45 BOOL next_node(stream_t *stream, strbuf_t *buf) DECLSPEC_HIDDEN;
46 const char *get_attr(const char *node, const char *name, int *len) DECLSPEC_HIDDEN;
47 
48 #endif
49