filename | src/config.c |
changeset | 464:8e099fad42a6 |
prev | 460:a0c865b74c63 |
next | 470:e09a16196693 |
author | nkeynes |
date | Sun Oct 28 07:23:46 2007 +0000 (16 years ago) |
permissions | -rw-r--r-- |
last change | Fix CDI with multiple tracks/session Fix file being closed too early |
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1 /**
2 * $Id: config.c,v 1.4 2007-10-27 05:44:53 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 { "gdrom", CONFIG_TYPE_FILE, NULL },
41 { NULL, CONFIG_TYPE_NONE }};
43 static struct lxdream_config_entry serial_config[] =
44 {{ "device", CONFIG_TYPE_FILE, "/dev/ttyS1" },
45 { NULL, CONFIG_TYPE_NONE }};
47 struct lxdream_config_group lxdream_config_root[] =
48 {{ "global", global_config },
49 { "controllers", NULL },
50 { "serial", serial_config },
51 { NULL, CONFIG_TYPE_NONE }};
53 static gchar *lxdream_config_load_filename = NULL;
54 static gchar *lxdream_config_save_filename = NULL;
56 gboolean lxdream_find_config()
57 {
58 char *home = getenv("HOME");
59 if( lxdream_config_save_filename == NULL ) {
60 lxdream_config_save_filename = g_strdup_printf("%s/.%s", home, DEFAULT_CONFIG_FILENAME);
61 }
62 if( lxdream_config_load_filename == NULL ) {
63 if( access(lxdream_config_save_filename, R_OK) == 0 ) {
64 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
65 } else if( access( PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
66 lxdream_config_load_filename = g_strdup(PACKAGE_CONF_DIR "/" DEFAULT_CONFIG_FILENAME);
67 } else if( access( "./" DEFAULT_CONFIG_FILENAME, R_OK ) == 0 ) {
68 lxdream_config_load_filename = g_strdup("./" DEFAULT_CONFIG_FILENAME);
69 } else {
70 lxdream_config_load_filename = g_strdup(lxdream_config_save_filename);
71 }
72 }
73 }
75 void lxdream_set_config_filename( const gchar *filename )
76 {
77 if( lxdream_config_load_filename != NULL ) {
78 g_free(lxdream_config_load_filename);
79 }
80 lxdream_config_load_filename = g_strdup(filename);
81 if( lxdream_config_save_filename != NULL ) {
82 g_free(lxdream_config_save_filename);
83 }
84 lxdream_config_save_filename = g_strdup(filename);
85 }
87 void lxdream_set_default_config( )
88 {
89 struct lxdream_config_group *group = lxdream_config_root;
90 while( group->key != NULL ) {
91 struct lxdream_config_entry *param = group->params;
92 if( param != NULL ) {
93 while( param->key != NULL ) {
94 if( param->value != param->default_value ) {
95 if( param->value != NULL )
96 free( param->value );
97 param->value = (gchar *)param->default_value;
98 }
99 param++;
100 }
101 }
102 group++;
103 }
104 maple_detach_all();
105 }
107 const gchar *lxdream_get_config_value( int key )
108 {
109 return global_config[key].value;
110 }
112 void lxdream_set_config_value( lxdream_config_entry_t param, const gchar *value )
113 {
114 if( param->value != param->default_value && param->value != NULL ) {
115 free( param->value );
116 }
117 param->value = g_strdup(value);
118 }
120 void lxdream_set_global_config_value( int key, const gchar *value )
121 {
122 lxdream_set_config_value(&global_config[key], value);
123 }
125 gboolean lxdream_set_group_value( lxdream_config_group_t group, const gchar *key, const gchar *value )
126 {
127 int i;
128 for( i=0; group->params[i].key != NULL; i++ ) {
129 if( strcasecmp( group->params[i].key, key ) == 0 ) {
130 lxdream_set_config_value( &group->params[i], value );
131 return TRUE;
132 }
133 }
134 return FALSE;
135 }
137 void lxdream_copy_config_list( lxdream_config_entry_t dest, lxdream_config_entry_t src )
138 {
139 int i;
140 for( i=0; src[i].key != NULL; i++ ) {
141 lxdream_set_config_value( &dest[i], src[i].value );
142 }
143 }
145 gboolean lxdream_load_config( )
146 {
147 if( lxdream_config_load_filename == NULL ) {
148 lxdream_find_config();
149 }
150 return lxdream_load_config_file(lxdream_config_load_filename);
151 }
153 gboolean lxdream_save_config( )
154 {
155 if( lxdream_config_save_filename == NULL ) {
156 lxdream_find_config();
157 }
158 return lxdream_save_config_file(lxdream_config_save_filename);
159 }
161 gboolean lxdream_load_config_file( const gchar *filename )
162 {
163 FILE *f;
164 gboolean result;
166 if( access(filename, F_OK) != 0 ) {
167 INFO( "Configuration file '%s' does not exist, creating from defaults" );
168 lxdream_set_default_config();
169 lxdream_save_config();
170 }
172 f = fopen(filename, "ro");
173 if( f == NULL ) {
174 ERROR( "Unable to open configuration file '%s': %s", filename, strerror(errno) );
175 lxdream_set_default_config();
176 return FALSE;
177 }
179 result = lxdream_load_config_stream( f );
180 fclose(f);
181 return result;
182 }
184 gboolean lxdream_load_config_stream( FILE *f )
185 {
187 char buf[512];
188 int maple_device = -1, maple_subdevice = -1;
189 struct lxdream_config_group devgroup;
190 struct lxdream_config_group *group = NULL;
191 maple_device_t device = NULL;
192 lxdream_set_default_config();
194 while( fgets( buf, sizeof(buf), f ) != NULL ) {
195 g_strstrip(buf);
196 if( buf[0] == '#' )
197 continue;
198 if( *buf == '[' ) {
199 char *p = strchr(buf, ']');
200 if( p != NULL ) {
201 struct lxdream_config_group *tmp_group;
202 maple_device = maple_subdevice = -1;
203 *p = '\0';
204 g_strstrip(buf+1);
205 tmp_group = &lxdream_config_root[0];
206 while( tmp_group->key != NULL ) {
207 if( strcasecmp(tmp_group->key, buf+1) == 0 ) {
208 group = tmp_group;
209 break;
210 }
211 tmp_group++;
212 }
213 }
214 } else if( group != NULL ) {
215 char *value = strchr( buf, '=' );
216 if( value != NULL ) {
217 struct lxdream_config_entry *param = group->params;
218 *value = '\0';
219 value++;
220 g_strstrip(buf);
221 g_strstrip(value);
222 if( strcmp(group->key,"controllers") == 0 ) {
223 if( g_strncasecmp( buf, "device ", 7 ) == 0 ) {
224 maple_device = strtoul( buf+7, NULL, 0 );
225 if( maple_device < 0 || maple_device > 3 ) {
226 ERROR( "Device number must be between 0..3 (not '%s')", buf+7);
227 continue;
228 }
229 maple_subdevice = 0;
230 device = maple_new_device( value );
231 if( device == NULL ) {
232 ERROR( "Unrecognized device '%s'", value );
233 } else {
234 devgroup.key = "controllers";
235 devgroup.params = maple_get_device_config(device);
236 maple_attach_device( device, maple_device, maple_subdevice );
237 group = &devgroup;
238 }
239 continue;
240 } else if( g_strncasecmp( buf, "subdevice ", 10 ) == 0 ) {
241 maple_subdevice = strtoul( buf+10, NULL, 0 );
242 if( maple_device == -1 ) {
243 ERROR( "Subdevice not allowed without primary device" );
244 } else if( maple_subdevice < 1 || maple_subdevice > 5 ) {
245 ERROR( "Subdevice must be between 1..5 (not '%s')", buf+10 );
246 } else if( (device = maple_new_device(value)) == NULL ) {
247 ERROR( "Unrecognized subdevice '%s'", value );
248 } else {
249 devgroup.key = "controllers";
250 devgroup.params = maple_get_device_config(device);
251 maple_attach_device( device, maple_device, maple_subdevice );
252 group = &devgroup;
253 }
254 continue;
255 }
256 }
257 while( param->key != NULL ) {
258 if( strcasecmp( param->key, buf ) == 0 ) {
259 param->value = g_strdup(value);
260 break;
261 }
262 param++;
263 }
264 }
265 }
266 }
267 return TRUE;
268 }
270 gboolean lxdream_save_config_file( const gchar *filename )
271 {
272 FILE *f = fopen(filename, "wo");
273 gboolean result;
274 if( f == NULL ) {
275 ERROR( "Unable to open '%s': %s", filename, strerror(errno) );
276 return FALSE;
277 }
278 result = lxdream_save_config_stream(f);
279 fclose(f);
280 return TRUE;
281 }
283 gboolean lxdream_save_config_stream( FILE *f )
284 {
285 struct lxdream_config_group *group = &lxdream_config_root[0];
287 while( group->key != NULL ) {
288 struct lxdream_config_entry *entry = group->params;
289 fprintf( f, "[%s]\n", group->key );
291 if( entry != NULL ) {
292 while( entry->key != NULL ) {
293 fprintf( f, "%s = %s\n", entry->key, entry->value );
294 entry++;
295 }
296 } else if( strcmp(group->key, "controllers") == 0 ) {
297 int i,j;
298 for( i=0; i<4; i++ ) {
299 for( j=0; j<6; j++ ) {
300 maple_device_t dev = maple_get_device( i, j );
301 if( dev != NULL ) {
302 if( j == 0 )
303 fprintf( f, "Device %d = %s\n", i, dev->device_class->name );
304 else
305 fprintf( f, "Subdevice %d = %s\n", j, dev->device_class->name );
306 entry = dev->get_config(dev);
307 while( entry->key != NULL ) {
308 fprintf( f, "%*c%s = %s\n", j==0?4:8, ' ',entry->key, entry->value );
309 entry++;
310 }
311 }
312 }
313 }
314 }
315 fprintf( f, "\n" );
316 group++;
317 }
318 return TRUE;
319 }
.