1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
|
#ifndef __ICONFIG_H
#define __ICONFIG_H
enum {
NODE_TYPE_KEY,
NODE_TYPE_VALUE,
NODE_TYPE_BLOCK,
NODE_TYPE_LIST,
NODE_TYPE_COMMENT
};
#define has_node_value(a) \
((a)->type == NODE_TYPE_KEY || (a)->type == NODE_TYPE_VALUE)
#define is_node_list(a) \
((a)->type == NODE_TYPE_BLOCK || (a)->type == NODE_TYPE_LIST)
struct _CONFIG_NODE {
int type;
char *key;
void *value;
};
/* a = { x=y; y=z; }
node1: type = NODE_TYPE_BLOCK, key = "a", value = (GSList *) nodes
nodes: (node2, node3)
node2: type = NODE_TYPE_KEY, key = "x", value = (char *) "y"
node3: type = NODE_TYPE_KEY, key = "y", value = (char *) "z"
b = ( a, { b=c; d=e; } )
node1: type = NODE_TYPE_LIST, key = "b", value = (GSList *) nodes
nodes: (node2, node3)
node2: type = NODE_TYPE_VALUE, key = NULL, value = (char *) "a"
node4: type = NODE_TYPE_BLOCK, key = NULL, value = (GSList *) nodes2
nodes2: (node4, node5)
node4: type = NODE_TYPE_KEY, key = "b", value = (char *) "c"
node5: type = NODE_TYPE_KEY, key = "d", value = (char *) "e"
Comments node has key=NULL and value is the comment line. Empty lines are
also in comments so they won't be forgotten when the config file is
written.
*/
struct _CONFIG_REC {
char *fname;
int handle;
int create_mode;
int modifycounter; /* increase every time something is changed */
char *last_error;
CONFIG_NODE *mainnode;
GHashTable *cache; /* path -> node (for querying) */
GHashTable *cache_nodes; /* node -> path (for removing) */
GScanner *scanner;
/* while writing to configuration file.. */
int tmp_indent_level; /* indentation position */
int tmp_last_lf; /* last character was a line feed */
};
/* Open configuration. The file is created if it doesn't exist, unless
`create_mode' is -1. `fname' can be NULL if you just want to use
config_parse_data() */
CONFIG_REC *config_open(const char *fname, int create_mode);
/* Release all memory used by configuration */
void config_close(CONFIG_REC *rec);
/* Change file name of config file */
void config_change_file_name(CONFIG_REC *rec, const char *fname, int create_mode);
/* Parse configuration file */
int config_parse(CONFIG_REC *rec);
/* Parse configuration found from `data'. `input_name' is specifies the
"configuration name" which is displayed in error messages. */
int config_parse_data(CONFIG_REC *rec, const char *data, const char *input_name);
/* Write configuration file. Write to `fname' if it's not NULL.
If `create_mode' is -1, use the one that was given to config_open(). */
int config_write(CONFIG_REC *rec, const char *fname, int create_mode);
#define config_last_error(rec) \
(rec)->last_error
/* Getting values
`section' is something like "maingroup/key/subkey", or with lists
"maingroup/(list/subkey"
`def' is returned if the value is not found. */
char *config_get_str(CONFIG_REC *rec, const char *section, const char *key, const char *def);
int config_get_int(CONFIG_REC *rec, const char *section, const char *key, int def);
int config_get_bool(CONFIG_REC *rec, const char *section, const char *key, int def);
/* Return value of key `value_key' from list item where `key' is `value' */
const char *config_list_find(CONFIG_REC *rec, const char *section, const char *key, const char *value, const char *value_key);
/* Like config_list_find(), but return node instead of it's value */
CONFIG_NODE *config_list_find_node(CONFIG_REC *rec, const char *section, const char *key, const char *value, const char *value_key);
/* Returns n'th node from list. */
CONFIG_NODE *config_node_nth(CONFIG_NODE *node, int index);
/* Returns index for given key */
int config_node_index(CONFIG_NODE *parent, const char *key);
/* Returns the first non-comment node in list */
GSList *config_node_first(GSList *list);
/* Returns the next non-comment node in list */
GSList *config_node_next(GSList *list);
/* Setting values */
int config_set_str(CONFIG_REC *rec, const char *section, const char *key, const char *value);
int config_set_int(CONFIG_REC *rec, const char *section, const char *key, int value);
int config_set_bool(CONFIG_REC *rec, const char *section, const char *key, int value);
/* Handling the configuration directly with nodes -
useful when you need to read all values in a block/list. */
CONFIG_NODE *config_node_find(CONFIG_NODE *node, const char *key);
/* Find the section from node - if not found create it unless new_type is -1.
You can also specify in new_type if it's NODE_TYPE_LIST or NODE_TYPE_BLOCK */
CONFIG_NODE *config_node_section(CONFIG_NODE *parent, const char *key, int new_type);
CONFIG_NODE *config_node_section_index(CONFIG_NODE *parent, const char *key,
int index, int new_type);
/* Find the section with the whole path.
Create the path if necessary `create' is TRUE. */
CONFIG_NODE *config_node_traverse(CONFIG_REC *rec, const char *section, int create);
/* Get the value of keys `key' and `key_value' and put them to
`ret_key' and `ret_value'. Returns -1 if not found. */
int config_node_get_keyvalue(CONFIG_NODE *node, const char *key, const char *value_key, char **ret_key, char **ret_value);
/* Return all values from from the list `node' in a g_strsplit() array */
char **config_node_get_list(CONFIG_NODE *node);
/* Add all values in `array' to `node' */
void config_node_add_list(CONFIG_REC *rec, CONFIG_NODE *node, char **array);
char *config_node_get_str(CONFIG_NODE *parent, const char *key, const char *def);
int config_node_get_int(CONFIG_NODE *parent, const char *key, int def);
int config_node_get_bool(CONFIG_NODE *parent, const char *key, int def);
void config_node_set_str(CONFIG_REC *rec, CONFIG_NODE *parent, const char *key, const char *value);
void config_node_set_int(CONFIG_REC *rec, CONFIG_NODE *parent, const char *key, int value);
void config_node_set_bool(CONFIG_REC *rec, CONFIG_NODE *parent, const char *key, int value);
/* Remove one node from block/list.
..set_str() with value = NULL does the same. */
void config_node_remove(CONFIG_REC *rec, CONFIG_NODE *parent, CONFIG_NODE *node);
/* Remove n'th node from a list */
void config_node_list_remove(CONFIG_REC *rec, CONFIG_NODE *node, int index);
/* Clear all data inside node, but leave the node */
void config_node_clear(CONFIG_REC *rec, CONFIG_NODE *node);
/* Clear the entire configuration */
void config_nodes_remove_all(CONFIG_REC *rec);
#endif
|
