lxdream 0.9.1| filename | src/config.c |
| changeset | 458:cbb2dd12daeb |
| prev | 450:207461e79f21 |
| next | 460:a0c865b74c63 |
| author | nkeynes |
| date | Tue Oct 23 10:40:46 2007 +0000 (16 years ago) |
| permissions | -rw-r--r-- |
| last change | Remove (I think) last remaining glade/glade-derived files, as they're no longer used. |
| view | annotate | diff | log | raw |
1 /**
2 * $Id: config.c,v 1.2 2007-10-22 21:12:54 nkeynes Exp $
3 *
4 * User configuration support
5 *
6 * Copyright (c) 2005 Nathan Keynes.
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 */
19 #include <unistd.h>
20 #include <stdio.h>
21 #include <errno.h>
22 #include <stdlib.h>
23 #include <string.h>
24 #include <glib/gstrfuncs.h>
25 #include "dream.h"
26 #include "config.h"
27 #include "maple/maple.h"
29 gboolean lxdream_load_config_file( const gchar *filename );
30 gboolean lxdream_save_config_file( const gchar *filename );
31 gboolean lxdream_load_config_stream( FILE *f );
32 gboolean lxdream_save_config_stream( FILE *f );
34 static struct lxdream_config_entry global_config[] =
35 {{ "bios", CONFIG_TYPE_FILE, "dcboot.rom" },
36 { "flash", CONFIG_TYPE_FILE, "dcflash.rom" },
37 { "default path", CONFIG_TYPE_PATH, "." },
38 { "save path", CONFIG_TYPE_PATH, "save" },
39 { "bootstrap", CONFIG_TYPE_FILE, "IP.BIN" },
40 { NULL, CONFIG_TYPE_NONE }};
42 static struct lxdream_config_entry serial_config[] =
43 {{ "device", CONFIG_TYPE_FILE, "/dev/ttyS1" },
44 { NULL, CONFIG_TYPE_NONE }};
46 struct lxdream_config_group lxdream_config_root[] =
47 {{ "global", global_config },
48 { "controllers", NULL },
49 { "serial", serial_config },
50 { NULL, CONFIG_TYPE_NONE }};
52 static gchar *lxdream_config_load_filename = NULL;
53 static gchar *lxdream_config_save_filename = NULL;
55 gboolean lxdream_find_config()
56 {
57 char *home = getenv("HOME");
58 if( lxdream_config_save_filename == NULL ) {
59 lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME);
60 }
61 if( lxdream_config_load_filename == NULL ) {
62 if( access(lxdream_config_save_filename, R_OK) == 0 ) {
63 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
64 } else if( access( PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
65 lxdream_config_load_filename = g_strdup(PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME);
66 } else if( access( "./" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
67 lxdream_config_load_filename = g_strdup("./" DEFAULT_CONFIG_FILENAME);
68 } else {
69 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
70 }
71 }
72 }
74 void lxdream_set_config_filename( const gchar *filename )
75 {
76 if( lxdream_config_load_filename != NULL ) {
77 g_free(lxdream_config_load_filename);
78 }
79 lxdream_config_load_filename = g_strdup(filename);
80 if( lxdream_config_save_filename != NULL ) {
81 g_free(lxdream_config_save_filename);
82 }
83 lxdream_config_save_filename = g_strdup(filename);
84 }
86 void lxdream_set_default_config( )
87 {
88 struct lxdream_config_group *group = lxdream_config_root;
89 while( group->key != NULL ) {
90 struct lxdream_config_entry *param = group->params;
91 if( param != NULL ) {
92 while( param->key != NULL ) {
93 if( param->value != param->default_value ) {
94 if( param->value != NULL )
95 free( param->value );
96 param->value = (gchar *)param->default_value;
97 }
98 param++;
99 }
100 }
101 group++;
102 }
103 maple_detach_all();
104 }
106 const gchar *lxdream_get_config_value( int key )
107 {
108 return global_config[key].value;
109 }
111 void lxdream_set_config_value( int key, const gchar *value )
112 {
113 struct lxdream_config_entry *param = &global_config[key];
114 if( param->value != param->default_value && param->value != NULL ) {
115 free( param->value );
116 }
117 param->value = g_strdup(value);
118 }
120 gboolean lxdream_set_group_value( lxdream_config_group_t group, const gchar *key, const gchar *value )
121 {
122 int i;
123 for( i=0; group->params[i].key != NULL; i++ ) {
124 if( strcasecmp( group->params[i].key, key ) == 0 ) {
125 if( group->params[i].value != group->params[i].default_value &&
126 group->params[i].value != NULL ) {
127 free( group->params[i].value );
128 }
129 group->params[i].value = g_strdup( value );
130 return TRUE;
131 }
132 }
133 return FALSE;
134 }
136 gboolean lxdream_load_config( )
137 {
138 if( lxdream_config_load_filename == NULL ) {
139 lxdream_find_config();
140 }
141 return lxdream_load_config_file(lxdream_config_load_filename);
142 }
144 gboolean lxdream_save_config( )
145 {
146 if( lxdream_config_save_filename == NULL ) {
147 lxdream_find_config();
148 }
149 return lxdream_save_config_file(lxdream_config_save_filename);
150 }
152 gboolean lxdream_load_config_file( const gchar *filename )
153 {
154 FILE *f;
155 gboolean result;
157 if( access(filename, F_OK) != 0 ) {
158 INFO( "Configuration file '%s' does not exist, creating from defaults" );
159 lxdream_set_default_config();
160 lxdream_save_config();
161 }
163 f = fopen(filename, "ro");
164 if( f == NULL ) {
165 ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) );
166 lxdream_set_default_config();
167 return FALSE;
168 }
170 result = lxdream_load_config_stream( f );
171 fclose(f);
172 return result;
173 }
175 gboolean lxdream_load_config_stream( FILE *f )
176 {
178 char buf[512];
179 int maple_device = -1, maple_subdevice = -1;
180 struct lxdream_config_group devgroup;
181 struct lxdream_config_group *group = NULL;
182 maple_device_t device = NULL;
183 lxdream_set_default_config();
185 while( fgets( buf, sizeof(buf), f ) != NULL ) {
186 g_strstrip(buf);
187 if( buf[0] == '#' )
188 continue;
189 if( *buf == '[' ) {
190 char *p = strchr(buf, ']');
191 if( p != NULL ) {
192 struct lxdream_config_group *tmp_group;
193 maple_device = maple_subdevice = -1;
194 *p = '\0';
195 g_strstrip(buf+1);
196 tmp_group = &lxdream_config_root[0];
197 while( tmp_group->key != NULL ) {
198 if( strcasecmp(tmp_group->key, buf+1) == 0 ) {
199 group = tmp_group;
200 break;
201 }
202 tmp_group++;
203 }
204 }
205 } else if( group != NULL ) {
206 char *value = strchr( buf, '=' );
207 if( value != NULL ) {
208 struct lxdream_config_entry *param = group->params;
209 *value = '\0';
210 value++;
211 g_strstrip(buf);
212 g_strstrip(value);
213 if( strcmp(group->key,"controllers") == 0 ) {
214 if( g_strncasecmp( buf, "device ", 7 ) == 0 ) {
215 maple_device = strtoul( buf+7, NULL, 0 );
216 if( maple_device < 0 || maple_device > 3 ) {
217 ERROR( "Device number must be between 0..3 (not '%s')", buf+7);
218 continue;
219 }
220 maple_subdevice = 0;
221 device = maple_new_device( value );
222 if( device == NULL ) {
223 ERROR( "Unrecognized device '%s'", value );
224 } else {
225 devgroup.key = "controllers";
226 devgroup.params = maple_get_device_config(device);
227 maple_attach_device( device, maple_device, maple_subdevice );
228 group = &devgroup;
229 }
230 continue;
231 } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) {
232 maple_subdevice = strtoul( buf+10, NULL, 0 );
233 if( maple_device == -1 ) {
234 ERROR( "Subdevice not allowed without primary device" );
235 } else if( maple_subdevice < 1 || maple_subdevice > 5 ) {
236 ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 );
237 } else if( (device = maple_new_device(value)) == NULL ) {
238 ERROR( "Unrecognized subdevice '%s'", value );
239 } else {
240 devgroup.key = "controllers";
241 devgroup.params = maple_get_device_config(device);
242 maple_attach_device( device, maple_device, maple_subdevice );
243 group = &devgroup;
244 }
245 continue;
246 }
247 }
248 while( param->key != NULL ) {
249 if( strcasecmp( param->key, buf ) == 0 ) {
250 param->value = g_strdup(value);
251 break;
252 }
253 param++;
254 }
255 }
256 }
257 }
258 return TRUE;
259 }
261 gboolean lxdream_save_config_file( const gchar *filename )
262 {
263 FILE *f = fopen(filename, "wo");
264 gboolean result;
265 if( f == NULL ) {
266 ERROR( "Unable to open '%s': %s", filename, strerror(errno) );
267 return FALSE;
268 }
269 result = lxdream_save_config_stream(f);
270 fclose(f);
271 return TRUE;
272 }
274 gboolean lxdream_save_config_stream( FILE *f )
275 {
276 struct lxdream_config_group *group = &lxdream_config_root[0];
278 while( group->key != NULL ) {
279 struct lxdream_config_entry *entry = group->params;
280 fprintf( f, "[%s]\n", group->key );
282 if( entry != NULL ) {
283 while( entry->key != NULL ) {
284 fprintf( f, "%s = %s\n", entry->key, entry->value );
285 entry++;
286 }
287 } else if( strcmp(group->key, "controllers") == 0 ) {
288 int i,j;
289 for( i=0; i<4; i++ ) {
290 for( j=0; j<6; j++ ) {
291 maple_device_t dev = maple_get_device( i, j );
292 if( dev != NULL ) {
293 if( j == 0 )
294 fprintf( f, "Device %d = %s\n", i, dev->device_class->name );
295 else
296 fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name );
297 entry = dev->get_config(dev);
298 while( entry->key != NULL ) {
299 fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value );
300 entry++;
301 }
302 }
303 }
304 }
305 }
306 fprintf( f, "\n" );
307 group++;
308 }
309 return TRUE;
310 }
.