filename | src/config.c |
changeset | 643:653b0a70f173 |
prev | 608:4f588e52bce0 |
next | 724:f2bc1c7cca14 |
author | nkeynes |
date | Mon May 12 10:00:13 2008 +0000 (15 years ago) |
permissions | -rw-r--r-- |
last change | Cleanup most of the -Wall warnings (getting a bit sloppy...) Convert FP code to use fixed banks rather than indirect pointer (3-4% faster this way now) |
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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/gmem.h>
25 #include <glib/gstrfuncs.h>
26 #include "dream.h"
27 #include "config.h"
28 #include "maple/maple.h"
31 extern struct lxdream_config_entry alsa_config[];
33 gboolean lxdream_load_config_file( const gchar *filename );
34 gboolean lxdream_save_config_file( const gchar *filename );
35 gboolean lxdream_load_config_stream( FILE *f );
36 gboolean lxdream_save_config_stream( FILE *f );
38 static struct lxdream_config_entry global_config[] =
39 {{ "bios", CONFIG_TYPE_FILE, "dcboot.rom" },
40 { "flash", CONFIG_TYPE_FILE, "dcflash.rom" },
41 { "default path", CONFIG_TYPE_PATH, "." },
42 { "save path", CONFIG_TYPE_PATH, "save" },
43 { "bootstrap", CONFIG_TYPE_FILE, "IP.BIN" },
44 { "gdrom", CONFIG_TYPE_FILE, NULL },
45 { "recent", CONFIG_TYPE_FILE, NULL },
46 { NULL, CONFIG_TYPE_NONE }};
48 static struct lxdream_config_entry serial_config[] =
49 {{ "device", CONFIG_TYPE_FILE, "/dev/ttyS1" },
50 { NULL, CONFIG_TYPE_NONE }};
52 struct lxdream_config_group lxdream_config_root[] =
53 {{ "global", global_config },
54 { "controllers", NULL },
55 { "serial", serial_config },
56 #ifdef HAVE_ALSA
57 { "alsa", alsa_config },
58 #endif
59 { NULL, CONFIG_TYPE_NONE }};
61 static gchar *lxdream_config_load_filename = NULL;
62 static gchar *lxdream_config_save_filename = NULL;
64 gboolean lxdream_find_config()
65 {
66 gboolean result = TRUE;
67 char *home = getenv("HOME");
68 if( lxdream_config_save_filename == NULL ) {
69 lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME);
70 }
71 if( lxdream_config_load_filename == NULL ) {
72 if( access(lxdream_config_save_filename, R_OK) == 0 ) {
73 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
74 } else if( access( PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
75 lxdream_config_load_filename = g_strdup(PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME);
76 } else if( access( "./" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
77 lxdream_config_load_filename = g_strdup("./" DEFAULT_CONFIG_FILENAME);
78 } else {
79 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
80 result = FALSE;
81 }
82 }
83 return result;
84 }
86 void lxdream_set_config_filename( const gchar *filename )
87 {
88 if( lxdream_config_load_filename != NULL ) {
89 g_free(lxdream_config_load_filename);
90 }
91 lxdream_config_load_filename = g_strdup(filename);
92 if( lxdream_config_save_filename != NULL ) {
93 g_free(lxdream_config_save_filename);
94 }
95 lxdream_config_save_filename = g_strdup(filename);
96 }
98 void lxdream_set_default_config( )
99 {
100 struct lxdream_config_group *group = lxdream_config_root;
101 while( group->key != NULL ) {
102 struct lxdream_config_entry *param = group->params;
103 if( param != NULL ) {
104 while( param->key != NULL ) {
105 if( param->value != param->default_value ) {
106 if( param->value != NULL )
107 free( param->value );
108 param->value = (gchar *)param->default_value;
109 }
110 param++;
111 }
112 }
113 group++;
114 }
115 maple_detach_all();
116 }
118 const gchar *lxdream_get_config_value( int key )
119 {
120 return global_config[key].value;
121 }
123 void lxdream_set_config_value( lxdream_config_entry_t param, const gchar *value )
124 {
125 if( param->value != value ) {
126 if( param->value != param->default_value && param->value != NULL ) {
127 free( param->value );
128 }
129 param->value = g_strdup(value);
130 }
131 }
133 void lxdream_set_global_config_value( int key, const gchar *value )
134 {
135 lxdream_set_config_value(&global_config[key], value);
136 }
138 gboolean lxdream_set_group_value( lxdream_config_group_t group, const gchar *key, const gchar *value )
139 {
140 int i;
141 for( i=0; group->params[i].key != NULL; i++ ) {
142 if( strcasecmp( group->params[i].key, key ) == 0 ) {
143 lxdream_set_config_value( &group->params[i], value );
144 return TRUE;
145 }
146 }
147 return FALSE;
148 }
150 void lxdream_copy_config_list( lxdream_config_entry_t dest, lxdream_config_entry_t src )
151 {
152 int i;
153 for( i=0; src[i].key != NULL; i++ ) {
154 lxdream_set_config_value( &dest[i], src[i].value );
155 }
156 }
158 gboolean lxdream_load_config( )
159 {
160 if( lxdream_config_load_filename == NULL ) {
161 lxdream_find_config();
162 }
163 return lxdream_load_config_file(lxdream_config_load_filename);
164 }
166 gboolean lxdream_save_config( )
167 {
168 if( lxdream_config_save_filename == NULL ) {
169 lxdream_find_config();
170 }
171 return lxdream_save_config_file(lxdream_config_save_filename);
172 }
174 gboolean lxdream_load_config_file( const gchar *filename )
175 {
176 FILE *f;
177 gboolean result;
179 if( access(filename, F_OK) != 0 ) {
180 INFO( "Configuration file '%s' does not exist, creating from defaults" );
181 lxdream_set_default_config();
182 lxdream_save_config();
183 }
185 f = fopen(filename, "ro");
186 if( f == NULL ) {
187 ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) );
188 lxdream_set_default_config();
189 return FALSE;
190 }
192 result = lxdream_load_config_stream( f );
193 fclose(f);
194 return result;
195 }
197 gboolean lxdream_load_config_stream( FILE *f )
198 {
200 char buf[512];
201 int maple_device = -1, maple_subdevice = -1;
202 struct lxdream_config_group devgroup;
203 struct lxdream_config_group *group = NULL;
204 maple_device_t device = NULL;
205 lxdream_set_default_config();
207 while( fgets( buf, sizeof(buf), f ) != NULL ) {
208 g_strstrip(buf);
209 if( buf[0] == '#' )
210 continue;
211 if( *buf == '[' ) {
212 char *p = strchr(buf, ']');
213 if( p != NULL ) {
214 struct lxdream_config_group *tmp_group;
215 maple_device = maple_subdevice = -1;
216 *p = '\0';
217 g_strstrip(buf+1);
218 tmp_group = &lxdream_config_root[0];
219 while( tmp_group->key != NULL ) {
220 if( strcasecmp(tmp_group->key, buf+1) == 0 ) {
221 group = tmp_group;
222 break;
223 }
224 tmp_group++;
225 }
226 }
227 } else if( group != NULL ) {
228 char *value = strchr( buf, '=' );
229 if( value != NULL ) {
230 struct lxdream_config_entry *param = group->params;
231 *value = '\0';
232 value++;
233 g_strstrip(buf);
234 g_strstrip(value);
235 if( strcmp(group->key,"controllers") == 0 ) {
236 if( g_strncasecmp( buf, "device ", 7 ) == 0 ) {
237 maple_device = strtoul( buf+7, NULL, 0 );
238 if( maple_device < 0 || maple_device > 3 ) {
239 ERROR( "Device number must be between 0..3 (not '%s')", buf+7);
240 continue;
241 }
242 maple_subdevice = 0;
243 device = maple_new_device( value );
244 if( device == NULL ) {
245 ERROR( "Unrecognized device '%s'", value );
246 } else {
247 devgroup.key = "controllers";
248 devgroup.params = maple_get_device_config(device);
249 maple_attach_device( device, maple_device, maple_subdevice );
250 group = &devgroup;
251 }
252 continue;
253 } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) {
254 maple_subdevice = strtoul( buf+10, NULL, 0 );
255 if( maple_device == -1 ) {
256 ERROR( "Subdevice not allowed without primary device" );
257 } else if( maple_subdevice < 1 || maple_subdevice > 5 ) {
258 ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 );
259 } else if( (device = maple_new_device(value)) == NULL ) {
260 ERROR( "Unrecognized subdevice '%s'", value );
261 } else {
262 devgroup.key = "controllers";
263 devgroup.params = maple_get_device_config(device);
264 maple_attach_device( device, maple_device, maple_subdevice );
265 group = &devgroup;
266 }
267 continue;
268 }
269 }
270 while( param->key != NULL ) {
271 if( strcasecmp( param->key, buf ) == 0 ) {
272 param->value = g_strdup(value);
273 break;
274 }
275 param++;
276 }
277 }
278 }
279 }
280 return TRUE;
281 }
283 gboolean lxdream_save_config_file( const gchar *filename )
284 {
285 FILE *f = fopen(filename, "wo");
286 gboolean result;
287 if( f == NULL ) {
288 ERROR( "Unable to open '%s': %s", filename, strerror(errno) );
289 return FALSE;
290 }
291 result = lxdream_save_config_stream(f);
292 fclose(f);
293 return TRUE;
294 }
296 gboolean lxdream_save_config_stream( FILE *f )
297 {
298 struct lxdream_config_group *group = &lxdream_config_root[0];
300 while( group->key != NULL ) {
301 struct lxdream_config_entry *entry = group->params;
302 fprintf( f, "[%s]\n", group->key );
304 if( entry != NULL ) {
305 while( entry->key != NULL ) {
306 if( entry->value != NULL ) {
307 fprintf( f, "%s = %s\n", entry->key, entry->value );
308 }
309 entry++;
310 }
311 } else if( strcmp(group->key, "controllers") == 0 ) {
312 int i,j;
313 for( i=0; i<4; i++ ) {
314 for( j=0; j<6; j++ ) {
315 maple_device_t dev = maple_get_device( i, j );
316 if( dev != NULL ) {
317 if( j == 0 )
318 fprintf( f, "Device %d = %s\n", i, dev->device_class->name );
319 else
320 fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name );
321 if( dev->get_config != NULL && ((entry = dev->get_config(dev)) != NULL) ) {
322 while( entry->key != NULL ) {
323 if( entry->value != NULL ) {
324 fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value );
325 }
326 entry++;
327 }
328 }
329 }
330 }
331 }
332 }
333 fprintf( f, "\n" );
334 group++;
335 }
336 return TRUE;
337 }
.