lxdream 0.9.1| filename | src/config.c |
| changeset | 1296:30ecee61f811 |
| prev | 1144:00dd49743974 |
| author | nkeynes |
| date | Sat Jan 26 14:00:48 2013 +1000 (11 years ago) |
| permissions | -rw-r--r-- |
| last change | Change glib includes to #include <glib.h> rather than the individual headers, as recent glib versions are breaking on this |
| view | annotate | diff | log | raw |
1 /**
2 * $Id$
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.h>
25 #include <sys/types.h>
26 #include <sys/stat.h>
27 #include "dreamcast.h"
28 #include "config.h"
29 #include "lxpaths.h"
30 #include "maple/maple.h"
32 #define MAX_ROOT_GROUPS 16
34 extern struct lxdream_config_group hotkeys_group;
35 extern struct lxdream_config_group serial_group;
37 gboolean lxdream_load_config_file( const gchar *filename );
38 gboolean lxdream_save_config_file( const gchar *filename );
39 gboolean lxdream_load_config_stream( FILE *f );
40 gboolean lxdream_save_config_stream( FILE *f );
42 static struct lxdream_config_group global_group =
43 { "global", dreamcast_config_changed, NULL, NULL,
44 {{ "bios", N_("Bios ROM"), CONFIG_TYPE_FILE, NULL },
45 { "flash", N_("Flash ROM"), CONFIG_TYPE_FILE, NULL },
46 { "default path", N_("Default disc path"), CONFIG_TYPE_PATH, "." },
47 { "save path", N_("Save-state path"), CONFIG_TYPE_PATH, NULL },
48 { "vmu path", N_("VMU path"), CONFIG_TYPE_PATH, NULL },
49 { "bootstrap", N_("Bootstrap IP.BIN"), CONFIG_TYPE_FILE, NULL },
50 { "gdrom", NULL, CONFIG_TYPE_FILE, NULL },
51 { "recent", NULL, CONFIG_TYPE_FILELIST, NULL },
52 { "vmu", NULL, CONFIG_TYPE_FILELIST, NULL },
53 { "quick state", NULL, CONFIG_TYPE_INTEGER, "0" },
54 { NULL, CONFIG_TYPE_NONE }} };
56 /**
57 * Dummy group for controllers (handled specially)
58 */
59 static struct lxdream_config_group controllers_group =
60 { "controllers", NULL, NULL, NULL, {{NULL, CONFIG_TYPE_NONE}} };
62 struct lxdream_config_group *lxdream_config_root[MAX_ROOT_GROUPS+1] =
63 { &global_group, &controllers_group, &hotkeys_group, &serial_group, NULL };
65 static gchar *lxdream_config_load_filename = NULL;
66 static gchar *lxdream_config_save_filename = NULL;
68 void lxdream_register_config_group( const gchar *key, lxdream_config_group_t group )
69 {
70 int i;
71 for( i=0; i<MAX_ROOT_GROUPS; i++ ) {
72 if( lxdream_config_root[i] == NULL ) {
73 lxdream_config_root[i] = group;
74 lxdream_config_root[i+1] = NULL;
75 return;
76 }
77 }
78 ERROR( "Unable to register config group '%s': Too many configuration groups", key );
79 }
81 gboolean lxdream_find_config()
82 {
83 gboolean result = TRUE;
84 char *home = getenv("HOME");
85 if( lxdream_config_save_filename == NULL ) {
86 /* For compatibility, look for the old ~/.lxdreamrc first. Use it if
87 * found, otherwise use the new ~/.lxdream/lxdreamrc.
88 */
89 lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME);
90 if( access(lxdream_config_save_filename, R_OK) != 0 ) {
91 g_free(lxdream_config_save_filename);
92 const char *user_path = get_user_data_path();
93 lxdream_config_save_filename = g_strdup_printf("%s/%s", user_path, DEFAULT_CONFIG_FILENAME);
94 }
95 }
96 if( lxdream_config_load_filename == NULL ) {
97 char *sysconfig = g_strdup_printf("%s/%s", get_sysconf_path(), DEFAULT_CONFIG_FILENAME);
98 if( access(lxdream_config_save_filename, R_OK) == 0 ) {
99 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
100 g_free(sysconfig);
101 } else if( access( sysconfig, R_OK ) == 0 ) {
102 lxdream_config_load_filename = sysconfig;
103 } else {
104 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
105 g_free(sysconfig);
106 result = FALSE;
107 }
108 }
109 return result;
110 }
112 void lxdream_set_config_filename( const gchar *filename )
113 {
114 if( lxdream_config_load_filename != NULL ) {
115 g_free(lxdream_config_load_filename);
116 }
117 lxdream_config_load_filename = g_strdup(filename);
118 if( lxdream_config_save_filename != NULL ) {
119 g_free(lxdream_config_save_filename);
120 }
121 lxdream_config_save_filename = g_strdup(filename);
122 }
124 void lxdream_set_default_config( )
125 {
126 /* Construct platform dependent defaults */
127 const gchar *user_path = get_user_data_path();
128 global_group.params[CONFIG_BIOS_PATH].default_value = g_strdup_printf( "%s/dcboot.rom", user_path );
129 global_group.params[CONFIG_FLASH_PATH].default_value = g_strdup_printf( "%s/dcflash.rom", user_path );
130 global_group.params[CONFIG_SAVE_PATH].default_value = g_strdup_printf( "%s/save", user_path );
131 global_group.params[CONFIG_VMU_PATH].default_value = g_strdup_printf( "%s/vmu", user_path );
132 global_group.params[CONFIG_BOOTSTRAP].default_value = g_strdup_printf( "%s/IP.BIN", user_path );
134 /* Copy defaults into main values */
135 for( int i=0; lxdream_config_root[i] != NULL; i++ ) {
136 struct lxdream_config_entry *param = lxdream_config_root[i]->params;
137 if( param != NULL ) {
138 while( param->key != NULL ) {
139 if( param->value != param->default_value ) {
140 if( param->value != NULL )
141 free( param->value );
142 param->value = (gchar *)param->default_value;
143 }
144 param++;
145 }
146 }
147 }
148 maple_detach_all();
149 }
151 const gchar *lxdream_get_config_value( lxdream_config_group_t group, int key )
152 {
153 return group->params[key].value;
154 }
156 gboolean lxdream_get_config_boolean_value( lxdream_config_group_t group, int key )
157 {
158 const gchar *value = lxdream_get_config_value(group, key);
159 if( strcasecmp(value, "on") == 0 || strcasecmp(value, "true") == 0 ||
160 strcasecmp(value, "yes") == 0 || strcasecmp(value, "1") == 0 ) {
161 return TRUE;
162 } else {
163 return FALSE;
164 }
165 }
167 gboolean lxdream_set_config_boolean_value( lxdream_config_group_t group, int key, gboolean value )
168 {
169 return lxdream_set_config_value(group, key, value ? "on" : "off");
170 }
172 gboolean lxdream_set_config_value( lxdream_config_group_t group, int key, const gchar *value )
173 {
174 lxdream_config_entry_t param = &group->params[key];
175 if( param->value != value &&
176 (param->value == NULL || value == NULL || strcmp(param->value,value) != 0) ) {
178 gchar *new_value = g_strdup(value);
180 /* If the group defines an on_change handler, it can block the change
181 * (ie due to an invalid setting).
182 */
183 if( group->on_change == NULL ||
184 group->on_change(group->data, group,key, param->value, new_value) ) {
186 /* Don't free the default value, but otherwise need to release the
187 * old value.
188 */
189 if( param->value != param->default_value && param->value != NULL ) {
190 free( param->value );
191 }
192 param->value = new_value;
193 } else { /* on_change handler said no. */
194 g_free(new_value);
195 return FALSE;
196 }
197 }
198 return TRUE;
199 }
201 const gchar *lxdream_get_global_config_value( int key )
202 {
203 return global_group.params[key].value;
204 }
206 void lxdream_set_global_config_value( int key, const gchar *value )
207 {
208 lxdream_set_config_value(&global_group, key, value);
209 }
211 GList *lxdream_get_global_config_list_value( int key )
212 {
213 GList *result = NULL;
214 const gchar *str = lxdream_get_global_config_value( key );
215 if( str != NULL ) {
216 gchar **strv = g_strsplit(str, ":",0);
217 int i;
218 for( i=0; strv[i] != NULL; i++ ) {
219 result = g_list_append( result, g_strdup(strv[i]) );
220 }
221 g_strfreev(strv);
222 }
223 return result;
224 }
226 void lxdream_set_global_config_list_value( int key, const GList *list )
227 {
228 if( list == NULL ) {
229 lxdream_set_global_config_value( key, NULL );
230 } else {
231 const GList *ptr;
232 int size = 0;
234 for( ptr = list; ptr != NULL; ptr = g_list_next(ptr) ) {
235 size += strlen( (gchar *)ptr->data ) + 1;
236 }
237 char buf[size];
238 strcpy( buf, (gchar *)list->data );
239 for( ptr = g_list_next(list); ptr != NULL; ptr = g_list_next(ptr) ) {
240 strcat( buf, ":" );
241 strcat( buf, (gchar *)ptr->data );
242 }
243 lxdream_set_global_config_value( key, buf );
244 }
245 }
247 gchar *lxdream_get_global_config_path_value( int key )
248 {
249 const gchar *str = lxdream_get_global_config_value(key);
250 if( str == NULL ) {
251 return NULL;
252 } else {
253 return get_expanded_path(str);
254 }
255 }
257 const gchar *lxdream_set_global_config_path_value( int key, const gchar *value )
258 {
259 gchar *temp = get_escaped_path(value);
260 lxdream_set_global_config_value(key,temp);
261 g_free(temp);
262 return lxdream_get_global_config_value(key);
263 }
265 struct lxdream_config_group * lxdream_get_config_group( int group )
266 {
267 return lxdream_config_root[group];
268 }
270 void lxdream_copy_config_group( lxdream_config_group_t dest, lxdream_config_group_t src )
271 {
272 int i;
273 for( i=0; src->params[i].key != NULL; i++ ) {
274 lxdream_set_config_value( dest, i, src->params[i].value );
275 }
276 }
278 void lxdream_clone_config_group( lxdream_config_group_t dest, lxdream_config_group_t src )
279 {
280 int i;
282 dest->key = src->key;
283 dest->on_change = NULL;
284 dest->key_binding = NULL;
285 dest->data = NULL;
286 for( i=0; src->params[i].key != NULL; i++ ) {
287 dest->params[i].key = src->params[i].key;
288 dest->params[i].label = src->params[i].label;
289 dest->params[i].type = src->params[i].type;
290 dest->params[i].tag = src->params[i].tag;
291 dest->params[i].default_value = src->params[i].default_value;
292 dest->params[i].value = NULL;
293 lxdream_set_config_value( dest, i, src->params[i].value );
294 }
295 dest->params[i].key = NULL;
296 dest->params[i].label = NULL;
297 }
299 gboolean lxdream_load_config( )
300 {
301 if( lxdream_config_load_filename == NULL ) {
302 lxdream_find_config();
303 }
304 return lxdream_load_config_file(lxdream_config_load_filename);
305 }
307 gboolean lxdream_save_config( )
308 {
309 if( lxdream_config_save_filename == NULL ) {
310 lxdream_find_config();
311 }
312 return lxdream_save_config_file(lxdream_config_save_filename);
313 }
315 gboolean lxdream_load_config_file( const gchar *filename )
316 {
317 FILE *f;
318 gboolean result;
320 if( access(filename, F_OK) != 0 ) {
321 INFO( "Configuration file '%s' does not exist, creating from defaults" );
322 lxdream_set_default_config();
323 lxdream_save_config();
324 }
326 f = fopen(filename, "ro");
327 if( f == NULL ) {
328 ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) );
329 lxdream_set_default_config();
330 return FALSE;
331 }
333 result = lxdream_load_config_stream( f );
334 fclose(f);
335 return result;
336 }
338 gboolean lxdream_load_config_stream( FILE *f )
339 {
341 char buf[512];
342 int maple_device = -1, maple_subdevice = -1, i;
343 struct lxdream_config_group *group = NULL;
344 struct lxdream_config_group *top_group = NULL;
345 maple_device_t device = NULL;
346 lxdream_set_default_config();
348 while( fgets( buf, sizeof(buf), f ) != NULL ) {
349 g_strstrip(buf);
350 if( buf[0] == '#' )
351 continue;
352 if( *buf == '[' ) {
353 char *p = strchr(buf, ']');
354 if( p != NULL ) {
355 maple_device = maple_subdevice = -1;
356 *p = '\0';
357 g_strstrip(buf+1);
358 for( i=0; lxdream_config_root[i] != NULL; i++ ) {
359 if( strcasecmp(lxdream_config_root[i]->key, buf+1) == 0 ) {
360 top_group = group = lxdream_config_root[i];
361 break;
362 }
363 }
364 }
365 } else if( group != NULL ) {
366 char *value = strchr( buf, '=' );
367 if( value != NULL ) {
368 struct lxdream_config_entry *param = group->params;
369 *value = '\0';
370 value++;
371 g_strstrip(buf);
372 g_strstrip(value);
373 if( top_group == &controllers_group ) {
374 if( g_strncasecmp( buf, "device ", 7 ) == 0 ) {
375 maple_device = strtoul( buf+7, NULL, 0 );
376 if( maple_device < 0 || maple_device > 3 ) {
377 ERROR( "Device number must be between 0..3 (not '%s')", buf+7);
378 continue;
379 }
380 maple_subdevice = 0;
381 device = maple_new_device( value );
382 if( device == NULL ) {
383 ERROR( "Unrecognized device '%s'", value );
384 } else {
385 group = maple_get_device_config(device);
386 maple_attach_device( device, maple_device, maple_subdevice );
387 }
388 continue;
389 } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) {
390 maple_subdevice = strtoul( buf+10, NULL, 0 );
391 if( maple_device == -1 ) {
392 ERROR( "Subdevice not allowed without primary device" );
393 } else if( maple_subdevice < 1 || maple_subdevice > 5 ) {
394 ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 );
395 } else if( (device = maple_new_device(value)) == NULL ) {
396 ERROR( "Unrecognized subdevice '%s'", value );
397 } else {
398 group = maple_get_device_config(device);
399 maple_attach_device( device, maple_device, maple_subdevice );
400 }
401 continue;
402 }
403 }
404 while( param->key != NULL ) {
405 if( strcasecmp( param->key, buf ) == 0 ) {
406 param->value = g_strdup(value);
407 break;
408 }
409 param++;
410 }
411 }
412 }
413 }
414 return TRUE;
415 }
417 gboolean lxdream_save_config_file( const gchar *filename )
418 {
419 FILE *f = fopen(filename, "wo");
420 gboolean result;
421 if( f == NULL ) {
422 ERROR( "Unable to open '%s': %s", filename, strerror(errno) );
423 return FALSE;
424 }
425 result = lxdream_save_config_stream(f);
426 fclose(f);
427 return TRUE;
428 }
430 gboolean lxdream_save_config_stream( FILE *f )
431 {
432 int i;
433 for( i=0; lxdream_config_root[i] != NULL; i++ ) {
434 fprintf( f, "[%s]\n", lxdream_config_root[i]->key );
436 if( lxdream_config_root[i] == &controllers_group ) {
437 int i,j;
438 for( i=0; i<4; i++ ) {
439 for( j=0; j<6; j++ ) {
440 maple_device_t dev = maple_get_device( i, j );
441 if( dev != NULL ) {
442 if( j == 0 )
443 fprintf( f, "Device %d = %s\n", i, dev->device_class->name );
444 else
445 fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name );
446 lxdream_config_group_t group = maple_get_device_config(dev);
447 if( group != NULL ) {
448 lxdream_config_entry_t entry = group->params;
449 while( entry->key != NULL ) {
450 if( entry->value != NULL ) {
451 fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value );
452 }
453 entry++;
454 }
455 }
456 }
457 }
458 }
459 } else {
460 struct lxdream_config_entry *entry = lxdream_config_root[i]->params;
461 while( entry->key != NULL ) {
462 if( entry->value != NULL ) {
463 fprintf( f, "%s = %s\n", entry->key, entry->value );
464 }
465 entry++;
466 }
467 }
468 fprintf( f, "\n" );
469 }
470 return TRUE;
471 }
473 void lxdream_make_config_dir( )
474 {
475 const char *user_path = get_user_data_path();
476 struct stat st;
478 if( access( user_path, R_OK|X_OK ) == 0 && lstat( user_path, &st ) == 0 &&
479 (st.st_mode & S_IFDIR) != 0 ) {
480 /* All good */
481 return;
482 }
484 if( mkdir( user_path, 0777 ) != 0 ) {
485 ERROR( "Unable to create user configuration directory %s: %s", user_path, strerror(errno) );
486 return;
487 }
489 char *vmupath = g_strdup_printf( "%s/vmu", user_path );
490 mkdir( vmupath, 0777 );
491 g_free( vmupath );
493 char *savepath = g_strdup_printf( "%s/save", user_path );
494 mkdir( savepath, 0777 );
495 g_free( vmupath );
496 }
.