File: set.c

package info (click to toggle)
bitlbee 1.2.8-1
  • links: PTS
  • area: main
  • in suites: squeeze
  • size: 2,648 kB
  • ctags: 3,915
  • sloc: ansic: 38,494; xml: 1,413; sh: 720; makefile: 380; perl: 161
file content (247 lines) | stat: -rw-r--r-- 5,830 bytes parent folder | download | duplicates (2)
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
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
  /********************************************************************\
  * BitlBee -- An IRC to other IM-networks gateway                     *
  *                                                                    *
  * Copyright 2002-2005 Wilmer van der Gaast and others                *
  \********************************************************************/

/* Some stuff to register, handle and save user preferences             */

/*
  This program is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as published by
  the Free Software Foundation; either version 2 of the License, or
  (at your option) any later version.

  This program is distributed in the hope that it will be useful,
  but WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public License with
  the Debian GNU/Linux distribution in /usr/share/common-licenses/GPL;
  if not, write to the Free Software Foundation, Inc., 59 Temple Place,
  Suite 330, Boston, MA  02111-1307  USA
*/
#define BITLBEE_CORE
#include "bitlbee.h"

/* Used to use NULL for this, but NULL is actually a "valid" value. */
char *SET_INVALID = "nee";

set_t *set_add( set_t **head, char *key, char *def, set_eval eval, void *data )
{
	set_t *s = set_find( head, key );
	
	/* Possibly the setting already exists. If it doesn't exist yet,
	   we create it. If it does, we'll just change the default. */
	if( !s )
	{
		if( ( s = *head ) )
		{
			while( s->next ) s = s->next;
			s->next = g_new0( set_t, 1 );
			s = s->next;
		}
		else
		{
			s = *head = g_new0( set_t, 1 );
		}
		s->key = g_strdup( key );
	}
	
	if( s->def )
	{
		g_free( s->def );
		s->def = NULL;
	}
	if( def ) s->def = g_strdup( def );
	
	s->eval = eval;
	s->data = data;
	
	return s;
}

set_t *set_find( set_t **head, char *key )
{
	set_t *s = *head;
	
	while( s )
	{
		if( g_strcasecmp( s->key, key ) == 0 )
			break;
		s = s->next;
	}
	
	return s;
}

char *set_getstr( set_t **head, char *key )
{
	set_t *s = set_find( head, key );
	
	if( !s || ( !s->value && !s->def ) )
		return NULL;
	
	return s->value ? s->value : s->def;
}

int set_getint( set_t **head, char *key )
{
	char *s = set_getstr( head, key );
	int i = 0;
	
	if( !s )
		return 0;
	
	if( sscanf( s, "%d", &i ) != 1 )
		return 0;
	
	return i;
}

int set_getbool( set_t **head, char *key )
{
	char *s = set_getstr( head, key );
	
	if( !s )
		return 0;
	
	return bool2int( s );
}

int set_setstr( set_t **head, char *key, char *value )
{
	set_t *s = set_find( head, key );
	char *nv = value;
	
	if( !s )
		/*
		Used to do this, but it never really made sense.
		s = set_add( head, key, NULL, NULL, NULL );
		*/
		return 0;
	
	if( value == NULL && ( s->flags & SET_NULL_OK ) == 0 )
		return 0;
	
	/* Call the evaluator. For invalid values, evaluators should now
	   return SET_INVALID, but previously this was NULL. Try to handle
	   that too if NULL is not an allowed value for this setting. */
	if( s->eval && ( ( nv = s->eval( s, value ) ) == SET_INVALID ||
	                 ( ( s->flags & SET_NULL_OK ) == 0 && nv == NULL ) ) )
		return 0;
	
	if( s->value )
	{
		g_free( s->value );
		s->value = NULL;
	}
	
	/* If there's a default setting and it's equal to what we're trying to
	   set, stick with s->value = NULL. Otherwise, remember the setting. */
	if( !s->def || ( strcmp( nv, s->def ) != 0 ) )
		s->value = g_strdup( nv );
	
	if( nv != value )
		g_free( nv );
	
	return 1;
}

int set_setint( set_t **head, char *key, int value )
{
	char s[24];	/* Not quite 128-bit clean eh? ;-) */
	
	g_snprintf( s, sizeof( s ), "%d", value );
	return set_setstr( head, key, s );
}

void set_del( set_t **head, char *key )
{
	set_t *s = *head, *t = NULL;
	
	while( s )
	{
		if( g_strcasecmp( s->key, key ) == 0 )
			break;
		s = (t=s)->next;
	}
	if( s )
	{
		if( t )
			t->next = s->next;
		else
			*head = s->next;
		
		g_free( s->key );
		if( s->value ) g_free( s->value );
		if( s->def ) g_free( s->def );
		g_free( s );
	}
}

int set_reset( set_t **head, char *key )
{
	set_t *s;
	
	s = set_find( head, key );
	if( s )
		return set_setstr( head, key, s->def );
	
	return 0;
}

char *set_eval_int( set_t *set, char *value )
{
	char *s = value;
	
	/* Allow a minus at the first position. */
	if( *s == '-' )
		s ++;
	
	for( ; *s; s ++ )
		if( !isdigit( *s ) )
			return SET_INVALID;
	
	return value;
}

char *set_eval_bool( set_t *set, char *value )
{
	return is_bool( value ) ? value : SET_INVALID;
}

char *set_eval_to_char( set_t *set, char *value )
{
	char *s = g_new( char, 3 );
	
	if( *value == ' ' )
		strcpy( s, " " );
	else
		sprintf( s, "%c ", *value );
	
	return s;
}

char *set_eval_ops( set_t *set, char *value )
{
	irc_t *irc = set->data;
	
	if( g_strcasecmp( value, "user" ) == 0 )
		irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
		                                              irc->channel, "+o-o", irc->nick, irc->mynick );
	else if( g_strcasecmp( value, "root" ) == 0 )
		irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
		                                              irc->channel, "-o+o", irc->nick, irc->mynick );
	else if( g_strcasecmp( value, "both" ) == 0 )
		irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
		                                              irc->channel, "+oo", irc->nick, irc->mynick );
	else if( g_strcasecmp( value, "none" ) == 0 )
		irc_write( irc, ":%s!%s@%s MODE %s %s %s %s", irc->mynick, irc->mynick, irc->myhost,
		                                              irc->channel, "-oo", irc->nick, irc->mynick );
	else
		return SET_INVALID;
	
	return value;
}