/src/ftk_text_buffer.h

 1/*
 2 * File: ftk_text_buffer.h    
 3 * Author:  Li XianJing <xianjimli@hotmail.com>
 4 * Brief:   text buffer
 5 *
 6 * Copyright (c) 2009 - 2010  Li XianJing <xianjimli@hotmail.com>
 7 *
 8 * Licensed under the Academic Free License version 2.1
 9 *
10 * This program is free software; you can redistribute it and/or modify
11 * it under the terms of the GNU General Public License as published by
12 * the Free Software Foundation; either version 2 of the License, or
13 * (at your option) any later version.
14 *
15 * This program is distributed in the hope that it will be useful,
16 * but WITHOUT ANY WARRANTY; without even the implied warranty of
17 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
18 * GNU General Public License for more details.
19 *
20 * You should have received a copy of the GNU General Public License
21 * along with this program; if not, write to the Free Software
22 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
23 */
24
25/*
26 * History:
27 * ================================================================
28 * 2009-11-06 Li XianJing <xianjimli@hotmail.com> created
29 *
30 */
31
32#ifndef FTK_TEXT_BUFFER_H
33#define FTK_TEXT_BUFFER_H
34
35#include "ftk_typedef.h"
36
37FTK_BEGIN_DECLS
38
39typedef struct _FtkTextBuffer
40{
41	char* buffer;
42	size_t length;
43	size_t buffer_length;
44}FtkTextBuffer;
45
46FtkTextBuffer* ftk_text_buffer_create(size_t init_buffer_length);
47
48Ret   ftk_text_buffer_insert(FtkTextBuffer* thiz, size_t offset, const char* text, int len);
49Ret   ftk_text_buffer_delete(FtkTextBuffer* thiz, size_t offset, size_t length);
50Ret   ftk_text_buffer_delete_chars(FtkTextBuffer* thiz, int offset, int count);
51int   ftk_text_buffer_chars_bytes(FtkTextBuffer* thiz, int offset, int count);
52
53Ret   ftk_text_buffer_reset(FtkTextBuffer* thiz);
54char* ftk_text_buffer_append_string(FtkTextBuffer* thiz, const char* str);
55
56void ftk_text_buffer_destroy(FtkTextBuffer* thiz);
57
58FTK_END_DECLS
59
60#endif/*FTK_TEXT_BUFFER_H*/
61