/[zanavi_public1]/navit/navit/config_.c
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Contents of /navit/navit/config_.c

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Revision 2 - (show annotations) (download)
Fri Oct 28 21:19:04 2011 UTC (8 years, 9 months ago) by zoff99
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1 /**
2 * Navit, a modular navigation system.
3 * Copyright (C) 2005-2008 Navit Team
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License
7 * version 2 as published by the Free Software Foundation.
8 *
9 * This program 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
12 * GNU General Public License for more details.
13 *
14 * You should have received a copy of the GNU General Public License
15 * along with this program; if not, write to the
16 * Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
17 * Boston, MA 02110-1301, USA.
18 */
19
20 #include <stdlib.h>
21 #include <glib.h>
22 #include <signal.h>
23 #include "debug.h"
24 #include "item.h"
25 #include "callback.h"
26 #include "navit.h"
27 #include "config_.h"
28 #ifdef HAVE_API_WIN32_CE
29 #include "libc.h"
30 #endif
31
32 struct config {
33 struct attr **attrs;
34 struct callback_list *cbl;
35 } *config;
36
37 struct config *
38 config_get(void)
39 {
40 return config;
41 }
42
43 int config_empty_ok;
44
45 static int configured;
46
47 struct attr_iter {
48 void *iter;
49 };
50
51 void
52 config_destroy(struct config *this_)
53 {
54 attr_list_free(this_->attrs);
55 callback_list_destroy(this_->cbl);
56 g_free(config);
57 exit(0);
58 }
59
60 static void
61 config_terminate(int sig)
62 {
63 struct attr_iter *iter=config_attr_iter_new();
64 struct attr navit;
65 dbg(0,"terminating\n");
66 while (config_get_attr(config, attr_navit, &navit, iter))
67 navit_destroy(navit.u.navit);
68 config_attr_iter_destroy(iter);
69 config_destroy(config);
70 }
71
72 static void
73 config_new_int(void)
74 {
75 config=g_new0(struct config, 1);
76 config->cbl=callback_list_new();
77 #ifndef HAVE_API_WIN32_CE
78 signal(SIGTERM, config_terminate);
79 #ifndef HAVE_API_WIN32
80 #ifndef __MINGW32__
81 signal(SIGPIPE, SIG_IGN);
82 #endif /* __MINGW32__ */
83 #endif
84 #endif
85 }
86
87 int
88 config_get_attr(struct config *this_, enum attr_type type, struct attr *attr, struct attr_iter *iter)
89 {
90 return attr_generic_get_attr(this_->attrs, NULL, type, attr, iter);
91 }
92
93 static int
94 config_set_attr_int(struct config *this_, struct attr *attr)
95 {
96 switch (attr->type) {
97 case attr_language:
98 setenv("LANG",attr->u.str,1);
99 return 1;
100 default:
101 return 0;
102 }
103 }
104
105 int
106 config_set_attr(struct config *this_, struct attr *attr)
107 {
108 return config_set_attr_int(this_, attr);
109 }
110
111 int
112 config_add_attr(struct config *this_, struct attr *attr)
113 {
114 if (!config) {
115 config_new_int();
116 this_=config;
117 }
118 switch (attr->type) {
119 case attr_callback:
120 callback_list_add(this_->cbl, attr->u.callback);
121 default:
122 this_->attrs=attr_generic_add_attr(this_->attrs, attr);
123 }
124 callback_list_call_attr_2(this_->cbl, attr->type, attr->u.data, 1);
125 return 1;
126 }
127
128 int
129 config_remove_attr(struct config *this_, struct attr *attr)
130 {
131 switch (attr->type) {
132 case attr_callback:
133 callback_list_remove(this_->cbl, attr->u.callback);
134 default:
135 this_->attrs=attr_generic_remove_attr(this_->attrs, attr);
136 }
137 callback_list_call_attr_2(this_->cbl, attr->type, attr->u.data, -1);
138 return 1;
139 }
140
141 struct attr_iter *
142 config_attr_iter_new()
143 {
144 return g_new0(struct attr_iter, 1);
145 }
146
147 void
148 config_attr_iter_destroy(struct attr_iter *iter)
149 {
150 g_free(iter);
151 }
152
153
154 struct config *
155 config_new(struct attr *parent, struct attr **attrs)
156 {
157 if (configured) {
158 dbg(0,"only one config allowed\n");
159 return config;
160 }
161 if (parent) {
162 dbg(0,"no parent in config allowed\n");
163 return NULL;
164 }
165 if (!config)
166 config_new_int();
167 config->attrs=attr_list_dup(attrs);
168 while (*attrs) {
169 if (!config_set_attr_int(config,*attrs)) {
170 dbg(0,"failed to set attribute '%s'\n",attr_to_name((*attrs)->type));
171 config_destroy(config);
172 config=NULL;
173 break;
174 }
175 attrs++;
176 }
177 configured=1;
178 return config;
179 }

   
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