config_utils.h revision 4f6e8d7a00cbeda1e70cc15be9c4af1018bdad53 
1/*
2 * Copyright (C) 2006 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef __CUTILS_CONFIG_UTILS_H
18#define __CUTILS_CONFIG_UTILS_H
19
20#ifdef __cplusplus
21extern "C" {
22#endif
23
24typedef struct cnode cnode;
25
26
27struct cnode
28{
29    cnode *next;
30    cnode *first_child;
31    cnode *last_child;
32    const char *name;
33    const char *value;
34};
35
36/* parse a text string into a config node tree */
37void config_load(cnode *root, char *data);
38
39/* parse a file into a config node tree */
40void config_load_file(cnode *root, const char *fn);
41
42/* create a single config node */
43cnode* config_node(const char *name, const char *value);
44
45/* locate a named child of a config node */
46cnode* config_find(cnode *root, const char *name);
47
48/* look up a child by name and return the boolean value */
49int config_bool(cnode *root, const char *name, int _default);
50
51/* look up a child by name and return the string value */
52const char* config_str(cnode *root, const char *name, const char *_default);
53
54/* add a named child to a config node (or modify it if it already exists) */
55void config_set(cnode *root, const char *name, const char *value);
56
57#ifdef __cplusplus
58}
59#endif
60
61#endif
62