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Remove some some code in favor of a single parse_list() call.
[kugel-rb.git] / apps / gui / skin_engine / skin_parser.c
blobb03bdb013df3715ffc1821a27f6b4d61dc8b12bb
1 /***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2007 Nicolas Pennequin, Dan Everton, Matthias Mohr
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22 #include <stdio.h>
23 #include <string.h>
24 #include <stdlib.h>
25 #include "config.h"
26 #include "file.h"
27 #include "misc.h"
28 #include "plugin.h"
29 #include "viewport.h"
30
31 #ifdef __PCTOOL__
32 #ifdef WPSEDITOR
33 #include "proxy.h"
34 #include "sysfont.h"
35 #else
36 #include "action.h"
37 #include "checkwps.h"
38 #include "audio.h"
39 #define DEBUGF printf
40 #endif /*WPSEDITOR*/
41 #else
42 #include "debug.h"
43 #endif /*__PCTOOL__*/
44
45 #include <ctype.h>
46 #include <stdbool.h>
47 #include "font.h"
48
49 #include "wps_internals.h"
50 #include "skin_engine.h"
51 #include "settings.h"
52 #include "settings_list.h"
53
54 #ifdef HAVE_LCD_BITMAP
55 #include "bmp.h"
56 #endif
57
58 #include "backdrop.h"
59
60 #define WPS_ERROR_INVALID_PARAM -1
61
62 /* level of current conditional.
63 -1 means we're not in a conditional. */
64 static int level = -1;
65
66 /* index of the last WPS_TOKEN_CONDITIONAL_OPTION
67 or WPS_TOKEN_CONDITIONAL_START in current level */
68 static int lastcond[WPS_MAX_COND_LEVEL];
69
70 /* index of the WPS_TOKEN_CONDITIONAL in current level */
71 static int condindex[WPS_MAX_COND_LEVEL];
72
73 /* number of condtional options in current level */
74 static int numoptions[WPS_MAX_COND_LEVEL];
75
76 /* line number, debug only */
77 static int line_number;
78
79 /* the current viewport */
80 static struct skin_viewport *curr_vp;
81 /* the current line, linked to the above viewport */
82 static struct skin_line *curr_line;
83
84 #ifdef HAVE_LCD_BITMAP
85
86 #if LCD_DEPTH > 1
87 #define MAX_BITMAPS (MAX_IMAGES+MAX_PROGRESSBARS+1) /* WPS images + pbar bitmap + backdrop */
88 #else
89 #define MAX_BITMAPS (MAX_IMAGES+MAX_PROGRESSBARS) /* WPS images + pbar bitmap */
90 #endif
91
92 #define PROGRESSBAR_BMP MAX_IMAGES
93 #define BACKDROP_BMP (MAX_BITMAPS-1)
94
95 /* pointers to the bitmap filenames in the WPS source */
96 static const char *bmp_names[MAX_BITMAPS];
97
98 #endif /* HAVE_LCD_BITMAP */
99
100 #if defined(DEBUG) || defined(SIMULATOR)
101 /* debugging function */
102 extern void print_debug_info(struct wps_data *data, int fail, int line);
103 extern void debug_skin_usage(void);
104 #endif
105
106 static void wps_reset(struct wps_data *data);
107
108 /* Function for parsing of details for a token. At the moment the
109 function is called, the token type has already been set. The
110 function must fill in the details and possibly add more tokens
111 to the token array. It should return the number of chars that
112 has been consumed.
113
114 wps_bufptr points to the char following the tag (i.e. where
115 details begin).
116 token is the pointer to the 'main' token being parsed
117 */
118 typedef int (*wps_tag_parse_func)(const char *wps_bufptr,
119 struct wps_token *token, struct wps_data *wps_data);
120
121 struct wps_tag {
122 enum wps_token_type type;
123 const char name[3];
124 unsigned char refresh_type;
125 const wps_tag_parse_func parse_func;
126 };
127 static int skip_end_of_line(const char *wps_bufptr);
128 /* prototypes of all special parse functions : */
129 static int parse_timeout(const char *wps_bufptr,
130 struct wps_token *token, struct wps_data *wps_data);
131 static int parse_progressbar(const char *wps_bufptr,
132 struct wps_token *token, struct wps_data *wps_data);
133 static int parse_dir_level(const char *wps_bufptr,
134 struct wps_token *token, struct wps_data *wps_data);
135 static int parse_setting(const char *wps_bufptr,
136 struct wps_token *token, struct wps_data *wps_data);
137
138 #ifdef HAVE_LCD_BITMAP
139 static int parse_viewport_display(const char *wps_bufptr,
140 struct wps_token *token, struct wps_data *wps_data);
141 static int parse_viewport(const char *wps_bufptr,
142 struct wps_token *token, struct wps_data *wps_data);
143 static int parse_statusbar_enable(const char *wps_bufptr,
144 struct wps_token *token, struct wps_data *wps_data);
145 static int parse_statusbar_disable(const char *wps_bufptr,
146 struct wps_token *token, struct wps_data *wps_data);
147 static int parse_image_display(const char *wps_bufptr,
148 struct wps_token *token, struct wps_data *wps_data);
149 static int parse_image_load(const char *wps_bufptr,
150 struct wps_token *token, struct wps_data *wps_data);
151 #endif /*HAVE_LCD_BITMAP */
152 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
153 static int parse_image_special(const char *wps_bufptr,
154 struct wps_token *token, struct wps_data *wps_data);
155 #endif
156 #ifdef HAVE_ALBUMART
157 static int parse_albumart_load(const char *wps_bufptr,
158 struct wps_token *token, struct wps_data *wps_data);
159 static int parse_albumart_display(const char *wps_bufptr,
160 struct wps_token *token, struct wps_data *wps_data);
161 #endif /* HAVE_ALBUMART */
162 #ifdef HAVE_TOUCHSCREEN
163 static int parse_touchregion(const char *wps_bufptr,
164 struct wps_token *token, struct wps_data *wps_data);
165 #else
166 static int fulline_tag_not_supported(const char *wps_bufptr,
167 struct wps_token *token, struct wps_data *wps_data)
168 {
169 (void)token; (void)wps_data;
170 return skip_end_of_line(wps_bufptr);
171 }
172 #define parse_touchregion fulline_tag_not_supported
173 #endif
174 #ifdef CONFIG_RTC
175 #define WPS_RTC_REFRESH WPS_REFRESH_DYNAMIC
176 #else
177 #define WPS_RTC_REFRESH WPS_REFRESH_STATIC
178 #endif
179
180 /* array of available tags - those with more characters have to go first
181 (e.g. "xl" and "xd" before "x"). It needs to end with the unknown token. */
182 static const struct wps_tag all_tags[] = {
183
184 { WPS_TOKEN_ALIGN_CENTER, "ac", 0, NULL },
185 { WPS_TOKEN_ALIGN_LEFT, "al", 0, NULL },
186 { WPS_TOKEN_ALIGN_RIGHT, "ar", 0, NULL },
187
188 { WPS_TOKEN_BATTERY_PERCENT, "bl", WPS_REFRESH_DYNAMIC, NULL },
189 { WPS_TOKEN_BATTERY_VOLTS, "bv", WPS_REFRESH_DYNAMIC, NULL },
190 { WPS_TOKEN_BATTERY_TIME, "bt", WPS_REFRESH_DYNAMIC, NULL },
191 { WPS_TOKEN_BATTERY_SLEEPTIME, "bs", WPS_REFRESH_DYNAMIC, NULL },
192 #if CONFIG_CHARGING >= CHARGING_MONITOR
193 { WPS_TOKEN_BATTERY_CHARGING, "bc", WPS_REFRESH_DYNAMIC, NULL },
194 #endif
195 #if CONFIG_CHARGING
196 { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp", WPS_REFRESH_DYNAMIC, NULL },
197 #endif
198
199 { WPS_TOKEN_RTC_PRESENT , "cc", WPS_REFRESH_STATIC, NULL },
200 { WPS_TOKEN_RTC_DAY_OF_MONTH, "cd", WPS_RTC_REFRESH, NULL },
201 { WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,"ce", WPS_RTC_REFRESH, NULL },
202 { WPS_TOKEN_RTC_12HOUR_CFG, "cf", WPS_RTC_REFRESH, NULL },
203 { WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED, "cH", WPS_RTC_REFRESH, NULL },
204 { WPS_TOKEN_RTC_HOUR_24, "ck", WPS_RTC_REFRESH, NULL },
205 { WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED, "cI", WPS_RTC_REFRESH, NULL },
206 { WPS_TOKEN_RTC_HOUR_12, "cl", WPS_RTC_REFRESH, NULL },
207 { WPS_TOKEN_RTC_MONTH, "cm", WPS_RTC_REFRESH, NULL },
208 { WPS_TOKEN_RTC_MINUTE, "cM", WPS_RTC_REFRESH, NULL },
209 { WPS_TOKEN_RTC_SECOND, "cS", WPS_RTC_REFRESH, NULL },
210 { WPS_TOKEN_RTC_YEAR_2_DIGITS, "cy", WPS_RTC_REFRESH, NULL },
211 { WPS_TOKEN_RTC_YEAR_4_DIGITS, "cY", WPS_RTC_REFRESH, NULL },
212 { WPS_TOKEN_RTC_AM_PM_UPPER, "cP", WPS_RTC_REFRESH, NULL },
213 { WPS_TOKEN_RTC_AM_PM_LOWER, "cp", WPS_RTC_REFRESH, NULL },
214 { WPS_TOKEN_RTC_WEEKDAY_NAME, "ca", WPS_RTC_REFRESH, NULL },
215 { WPS_TOKEN_RTC_MONTH_NAME, "cb", WPS_RTC_REFRESH, NULL },
216 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON, "cu", WPS_RTC_REFRESH, NULL },
217 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN, "cw", WPS_RTC_REFRESH, NULL },
218
219 /* current file */
220 { WPS_TOKEN_FILE_BITRATE, "fb", WPS_REFRESH_STATIC, NULL },
221 { WPS_TOKEN_FILE_CODEC, "fc", WPS_REFRESH_STATIC, NULL },
222 { WPS_TOKEN_FILE_FREQUENCY, "ff", WPS_REFRESH_STATIC, NULL },
223 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "fk", WPS_REFRESH_STATIC, NULL },
224 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "fm", WPS_REFRESH_STATIC, NULL },
225 { WPS_TOKEN_FILE_NAME, "fn", WPS_REFRESH_STATIC, NULL },
226 { WPS_TOKEN_FILE_PATH, "fp", WPS_REFRESH_STATIC, NULL },
227 { WPS_TOKEN_FILE_SIZE, "fs", WPS_REFRESH_STATIC, NULL },
228 { WPS_TOKEN_FILE_VBR, "fv", WPS_REFRESH_STATIC, NULL },
229 { WPS_TOKEN_FILE_DIRECTORY, "d", WPS_REFRESH_STATIC,
230 parse_dir_level },
231
232 /* next file */
233 { WPS_TOKEN_FILE_BITRATE, "Fb", WPS_REFRESH_STATIC, NULL },
234 { WPS_TOKEN_FILE_CODEC, "Fc", WPS_REFRESH_STATIC, NULL },
235 { WPS_TOKEN_FILE_FREQUENCY, "Ff", WPS_REFRESH_STATIC, NULL },
236 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "Fk", WPS_REFRESH_STATIC, NULL },
237 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "Fm", WPS_REFRESH_STATIC, NULL },
238 { WPS_TOKEN_FILE_NAME, "Fn", WPS_REFRESH_STATIC, NULL },
239 { WPS_TOKEN_FILE_PATH, "Fp", WPS_REFRESH_STATIC, NULL },
240 { WPS_TOKEN_FILE_SIZE, "Fs", WPS_REFRESH_STATIC, NULL },
241 { WPS_TOKEN_FILE_VBR, "Fv", WPS_REFRESH_STATIC, NULL },
242 { WPS_TOKEN_FILE_DIRECTORY, "D", WPS_REFRESH_STATIC,
243 parse_dir_level },
244
245 /* current metadata */
246 { WPS_TOKEN_METADATA_ARTIST, "ia", WPS_REFRESH_STATIC, NULL },
247 { WPS_TOKEN_METADATA_COMPOSER, "ic", WPS_REFRESH_STATIC, NULL },
248 { WPS_TOKEN_METADATA_ALBUM, "id", WPS_REFRESH_STATIC, NULL },
249 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "iA", WPS_REFRESH_STATIC, NULL },
250 { WPS_TOKEN_METADATA_GROUPING, "iG", WPS_REFRESH_STATIC, NULL },
251 { WPS_TOKEN_METADATA_GENRE, "ig", WPS_REFRESH_STATIC, NULL },
252 { WPS_TOKEN_METADATA_DISC_NUMBER, "ik", WPS_REFRESH_STATIC, NULL },
253 { WPS_TOKEN_METADATA_TRACK_NUMBER, "in", WPS_REFRESH_STATIC, NULL },
254 { WPS_TOKEN_METADATA_TRACK_TITLE, "it", WPS_REFRESH_STATIC, NULL },
255 { WPS_TOKEN_METADATA_VERSION, "iv", WPS_REFRESH_STATIC, NULL },
256 { WPS_TOKEN_METADATA_YEAR, "iy", WPS_REFRESH_STATIC, NULL },
257 { WPS_TOKEN_METADATA_COMMENT, "iC", WPS_REFRESH_STATIC, NULL },
258
259 /* next metadata */
260 { WPS_TOKEN_METADATA_ARTIST, "Ia", WPS_REFRESH_STATIC, NULL },
261 { WPS_TOKEN_METADATA_COMPOSER, "Ic", WPS_REFRESH_STATIC, NULL },
262 { WPS_TOKEN_METADATA_ALBUM, "Id", WPS_REFRESH_STATIC, NULL },
263 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "IA", WPS_REFRESH_STATIC, NULL },
264 { WPS_TOKEN_METADATA_GROUPING, "IG", WPS_REFRESH_STATIC, NULL },
265 { WPS_TOKEN_METADATA_GENRE, "Ig", WPS_REFRESH_STATIC, NULL },
266 { WPS_TOKEN_METADATA_DISC_NUMBER, "Ik", WPS_REFRESH_STATIC, NULL },
267 { WPS_TOKEN_METADATA_TRACK_NUMBER, "In", WPS_REFRESH_STATIC, NULL },
268 { WPS_TOKEN_METADATA_TRACK_TITLE, "It", WPS_REFRESH_STATIC, NULL },
269 { WPS_TOKEN_METADATA_VERSION, "Iv", WPS_REFRESH_STATIC, NULL },
270 { WPS_TOKEN_METADATA_YEAR, "Iy", WPS_REFRESH_STATIC, NULL },
271 { WPS_TOKEN_METADATA_COMMENT, "IC", WPS_REFRESH_STATIC, NULL },
272
273 #if (CONFIG_CODEC != MAS3507D)
274 { WPS_TOKEN_SOUND_PITCH, "Sp", WPS_REFRESH_DYNAMIC, NULL },
275 #endif
276 #if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
277 { WPS_TOKEN_VLED_HDD, "lh", WPS_REFRESH_DYNAMIC, NULL },
278 #endif
279
280 { WPS_TOKEN_MAIN_HOLD, "mh", WPS_REFRESH_DYNAMIC, NULL },
281
282 #ifdef HAS_REMOTE_BUTTON_HOLD
283 { WPS_TOKEN_REMOTE_HOLD, "mr", WPS_REFRESH_DYNAMIC, NULL },
284 #else
285 { WPS_TOKEN_UNKNOWN, "mr", 0, NULL },
286 #endif
287
288 { WPS_TOKEN_REPEAT_MODE, "mm", WPS_REFRESH_DYNAMIC, NULL },
289 { WPS_TOKEN_PLAYBACK_STATUS, "mp", WPS_REFRESH_DYNAMIC, NULL },
290 { WPS_TOKEN_BUTTON_VOLUME, "mv", WPS_REFRESH_DYNAMIC,
291 parse_timeout },
292
293 #ifdef HAVE_LCD_BITMAP
294 { WPS_TOKEN_PEAKMETER, "pm", WPS_REFRESH_PEAK_METER, NULL },
295 #else
296 { WPS_TOKEN_PLAYER_PROGRESSBAR, "pf",
297 WPS_REFRESH_DYNAMIC | WPS_REFRESH_PLAYER_PROGRESS, parse_progressbar },
298 #endif
299 { WPS_TOKEN_PROGRESSBAR, "pb", WPS_REFRESH_PLAYER_PROGRESS,
300 parse_progressbar },
301
302 { WPS_TOKEN_VOLUME, "pv", WPS_REFRESH_DYNAMIC, NULL },
303
304 { WPS_TOKEN_TRACK_ELAPSED_PERCENT, "px", WPS_REFRESH_DYNAMIC, NULL },
305 { WPS_TOKEN_TRACK_TIME_ELAPSED, "pc", WPS_REFRESH_DYNAMIC, NULL },
306 { WPS_TOKEN_TRACK_TIME_REMAINING, "pr", WPS_REFRESH_DYNAMIC, NULL },
307 { WPS_TOKEN_TRACK_LENGTH, "pt", WPS_REFRESH_STATIC, NULL },
308
309 { WPS_TOKEN_PLAYLIST_POSITION, "pp", WPS_REFRESH_STATIC, NULL },
310 { WPS_TOKEN_PLAYLIST_ENTRIES, "pe", WPS_REFRESH_STATIC, NULL },
311 { WPS_TOKEN_PLAYLIST_NAME, "pn", WPS_REFRESH_STATIC, NULL },
312 { WPS_TOKEN_PLAYLIST_SHUFFLE, "ps", WPS_REFRESH_DYNAMIC, NULL },
313
314 #ifdef HAVE_TAGCACHE
315 { WPS_TOKEN_DATABASE_PLAYCOUNT, "rp", WPS_REFRESH_DYNAMIC, NULL },
316 { WPS_TOKEN_DATABASE_RATING, "rr", WPS_REFRESH_DYNAMIC, NULL },
317 { WPS_TOKEN_DATABASE_AUTOSCORE, "ra", WPS_REFRESH_DYNAMIC, NULL },
318 #endif
319
320 #if CONFIG_CODEC == SWCODEC
321 { WPS_TOKEN_REPLAYGAIN, "rg", WPS_REFRESH_STATIC, NULL },
322 { WPS_TOKEN_CROSSFADE, "xf", WPS_REFRESH_DYNAMIC, NULL },
323 #endif
324
325 { WPS_NO_TOKEN, "s", WPS_REFRESH_SCROLL, NULL },
326 { WPS_TOKEN_SUBLINE_TIMEOUT, "t", 0, parse_timeout },
327
328 #ifdef HAVE_LCD_BITMAP
329 { WPS_NO_TOKEN, "we", 0, parse_statusbar_enable },
330 { WPS_NO_TOKEN, "wd", 0, parse_statusbar_disable },
331
332 { WPS_NO_TOKEN, "xl", 0, parse_image_load },
333
334 { WPS_TOKEN_IMAGE_PRELOAD_DISPLAY, "xd", WPS_REFRESH_STATIC,
335 parse_image_display },
336
337 { WPS_TOKEN_IMAGE_DISPLAY, "x", 0, parse_image_load },
338 #ifdef HAVE_ALBUMART
339 { WPS_NO_TOKEN, "Cl", 0, parse_albumart_load },
340 { WPS_TOKEN_ALBUMART_DISPLAY, "C", WPS_REFRESH_STATIC, parse_albumart_display },
341 #endif
342
343 { WPS_VIEWPORT_ENABLE, "Vd", WPS_REFRESH_DYNAMIC,
344 parse_viewport_display },
345 { WPS_NO_TOKEN, "V", 0, parse_viewport },
346
347 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
348 { WPS_TOKEN_IMAGE_BACKDROP, "X", 0, parse_image_special },
349 #endif
350 #endif
351
352 { WPS_TOKEN_SETTING, "St", WPS_REFRESH_DYNAMIC, parse_setting },
353
354 { WPS_TOKEN_LASTTOUCH, "Tl", WPS_REFRESH_DYNAMIC, parse_timeout },
355 { WPS_NO_TOKEN, "T", 0, parse_touchregion },
356
357 { WPS_TOKEN_UNKNOWN, "", 0, NULL }
358 /* the array MUST end with an empty string (first char is \0) */
359 };
360
361
362 /* add a skin_token_list item to the list chain. ALWAYS appended because some of the
363 * chains require the order to be kept.
364 */
365 static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
366 {
367 if (*list == NULL)
368 *list = item;
369 else
370 {
371 struct skin_token_list *t = *list;
372 while (t->next)
373 t = t->next;
374 t->next = item;
375 }
376 }
377 /* create and init a new wpsll item.
378 * passing NULL to token will alloc a new one.
379 * You should only pass NULL for the token when the token type (table above)
380 * is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
381 */
382 static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
383 void* token_data)
384 {
385 struct skin_token_list *llitem = skin_buffer_alloc(sizeof(struct skin_token_list));
386 if (!token)
387 token = skin_buffer_alloc(sizeof(struct wps_token));
388 if (!llitem || !token)
389 return NULL;
390 llitem->next = NULL;
391 llitem->token = token;
392 if (token_data)
393 llitem->token->value.data = token_data;
394 return llitem;
395 }
396
397 /* Returns the number of chars that should be skipped to jump
398 immediately after the first eol, i.e. to the start of the next line */
399 static int skip_end_of_line(const char *wps_bufptr)
400 {
401 line_number++;
402 int skip = 0;
403 while(*(wps_bufptr + skip) != '\n')
404 skip++;
405 return ++skip;
406 }
407
408 /* Starts a new subline in the current line during parsing */
409 static bool skin_start_new_subline(struct skin_line *line, int curr_token)
410 {
411 struct skin_subline *subline = skin_buffer_alloc(sizeof(struct skin_subline));
412 if (!subline)
413 return false;
414
415 subline->first_token_idx = curr_token;
416 subline->next = NULL;
417
418 subline->line_type = 0;
419 subline->time_mult = 0;
420
421 line->curr_subline->last_token_idx = curr_token-1;
422 line->curr_subline->next = subline;
423 line->curr_subline = subline;
424 return true;
425 }
426
427 static bool skin_start_new_line(struct skin_viewport *vp, int curr_token)
428 {
429 struct skin_line *line = skin_buffer_alloc(sizeof(struct skin_line));
430 struct skin_subline *subline = NULL;
431 if (!line)
432 return false;
433
434 /* init the subline */
435 subline = &line->sublines;
436 subline->first_token_idx = curr_token;
437 subline->next = NULL;
438 subline->line_type = 0;
439 subline->time_mult = 0;
440
441 /* init the new line */
442 line->curr_subline = &line->sublines;
443 line->next = NULL;
444 line->subline_expire_time = 0;
445
446 /* connect to curr_line and vp pointers.
447 * 1) close the previous lines subline
448 * 2) connect to vp pointer
449 * 3) connect to curr_line global pointer
450 */
451 if (curr_line)
452 {
453 curr_line->curr_subline->last_token_idx = curr_token - 1;
454 curr_line->next = line;
455 curr_line->curr_subline = NULL;
456 }
457 curr_line = line;
458 if (!vp->lines)
459 vp->lines = line;
460 line_number++;
461 return true;
462 }
463
464 #ifdef HAVE_LCD_BITMAP
465
466 static int parse_statusbar_enable(const char *wps_bufptr,
467 struct wps_token *token,
468 struct wps_data *wps_data)
469 {
470 (void)token; /* Kill warnings */
471 wps_data->wps_sb_tag = true;
472 wps_data->show_sb_on_wps = true;
473 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
474 if (default_vp->vp.y == 0)
475 {
476 default_vp->vp.y = STATUSBAR_HEIGHT;
477 default_vp->vp.height -= STATUSBAR_HEIGHT;
478 }
479 return skip_end_of_line(wps_bufptr);
480 }
481
482 static int parse_statusbar_disable(const char *wps_bufptr,
483 struct wps_token *token,
484 struct wps_data *wps_data)
485 {
486 (void)token; /* Kill warnings */
487 wps_data->wps_sb_tag = true;
488 wps_data->show_sb_on_wps = false;
489 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
490 if (default_vp->vp.y == STATUSBAR_HEIGHT)
491 {
492 default_vp->vp.y = 0;
493 default_vp->vp.height += STATUSBAR_HEIGHT;
494 }
495 return skip_end_of_line(wps_bufptr);
496 }
497
498 static int get_image_id(int c)
499 {
500 if(c >= 'a' && c <= 'z')
501 return c - 'a';
502 else if(c >= 'A' && c <= 'Z')
503 return c - 'A' + 26;
504 else
505 return -1;
506 }
507
508 static char *get_image_filename(const char *start, const char* bmpdir,
509 char *buf, int buf_size)
510 {
511 const char *end = strchr(start, '|');
512
513 if ( !end || (end - start) >= (buf_size - (int)ROCKBOX_DIR_LEN - 2) )
514 {
515 buf = "\0";
516 return NULL;
517 }
518
519 int bmpdirlen = strlen(bmpdir);
520
521 strcpy(buf, bmpdir);
522 buf[bmpdirlen] = '/';
523 memcpy( &buf[bmpdirlen + 1], start, end - start);
524 buf[bmpdirlen + 1 + end - start] = 0;
525
526 return buf;
527 }
528
529 static int parse_image_display(const char *wps_bufptr,
530 struct wps_token *token,
531 struct wps_data *wps_data)
532 {
533 char label = wps_bufptr[0];
534 int subimage;
535 struct gui_img *img;;
536
537 /* sanity check */
538 img = find_image(label, wps_data);
539 if (!img)
540 {
541 token->value.i = label; /* so debug works */
542 return WPS_ERROR_INVALID_PARAM;
543 }
544
545 if ((subimage = get_image_id(wps_bufptr[1])) != -1)
546 {
547 if (subimage >= img->num_subimages)
548 return WPS_ERROR_INVALID_PARAM;
549
550 /* Store sub-image number to display in high bits */
551 token->value.i = label | (subimage << 8);
552 return 2; /* We have consumed 2 bytes */
553 } else {
554 token->value.i = label;
555 return 1; /* We have consumed 1 byte */
556 }
557 }
558
559 static int parse_image_load(const char *wps_bufptr,
560 struct wps_token *token,
561 struct wps_data *wps_data)
562 {
563 const char *ptr = wps_bufptr;
564 const char *pos;
565 const char* filename;
566 const char* id;
567 const char *newline;
568 int x,y;
569 struct gui_img *img;
570
571 /* format: %x|n|filename.bmp|x|y|
572 or %xl|n|filename.bmp|x|y|
573 or %xl|n|filename.bmp|x|y|num_subimages|
574 */
575
576 if (*ptr != '|')
577 return WPS_ERROR_INVALID_PARAM;
578
579 ptr++;
580
581 if (!(ptr = parse_list("ssdd", NULL, '|', ptr, &id, &filename, &x, &y)))
582 return WPS_ERROR_INVALID_PARAM;
583
584 /* Check there is a terminating | */
585 if (*ptr != '|')
586 return WPS_ERROR_INVALID_PARAM;
587
588 /* check the image number and load state */
589 if(find_image(*id, wps_data))
590 {
591 /* Invalid image ID */
592 return WPS_ERROR_INVALID_PARAM;
593 }
594 img = skin_buffer_alloc(sizeof(struct gui_img));
595 if (!img)
596 return WPS_ERROR_INVALID_PARAM;
597 /* save a pointer to the filename */
598 img->bm.data = (char*)filename;
599 img->label = *id;
600 img->x = x;
601 img->y = y;
602 img->num_subimages = 1;
603 img->always_display = false;
604
605 /* save current viewport */
606 img->vp = &curr_vp->vp;
607
608 if (token->type == WPS_TOKEN_IMAGE_DISPLAY)
609 {
610 img->always_display = true;
611 }
612 else
613 {
614 /* Parse the (optional) number of sub-images */
615 ptr++;
616 newline = strchr(ptr, '\n');
617 pos = strchr(ptr, '|');
618 if (pos && pos < newline)
619 img->num_subimages = atoi(ptr);
620
621 if (img->num_subimages <= 0)
622 return WPS_ERROR_INVALID_PARAM;
623 }
624 struct skin_token_list *item = new_skin_token_list_item(NULL, img);
625 if (!item)
626 return WPS_ERROR_INVALID_PARAM;
627 add_to_ll_chain(&wps_data->images, item);
628
629 /* Skip the rest of the line */
630 return skip_end_of_line(wps_bufptr);
631 }
632
633 static int parse_viewport_display(const char *wps_bufptr,
634 struct wps_token *token,
635 struct wps_data *wps_data)
636 {
637 (void)wps_data;
638 char letter = wps_bufptr[0];
639
640 if (letter < 'a' || letter > 'z')
641 {
642 /* invalid viewport tag */
643 return WPS_ERROR_INVALID_PARAM;
644 }
645 token->value.i = letter;
646 return 1;
647 }
648
649 static int parse_viewport(const char *wps_bufptr,
650 struct wps_token *token,
651 struct wps_data *wps_data)
652 {
653 (void)token; /* Kill warnings */
654 const char *ptr = wps_bufptr;
655
656 const int screen =
657 #ifdef HAVE_REMOTE_LCD
658 wps_data->remote_wps ? SCREEN_REMOTE :
659 #endif
660 SCREEN_MAIN;
661
662 struct skin_viewport *skin_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
663
664 /* check for the optional letter to signify its a hideable viewport */
665 /* %Vl|<label>|<rest of tags>| */
666 skin_vp->hidden_flags = 0;
667 skin_vp->label = VP_NO_LABEL;
668 skin_vp->pb = NULL;
669 skin_vp->lines = NULL;
670 if (curr_line)
671 {
672 curr_line->curr_subline->last_token_idx = wps_data->num_tokens
673 - (wps_data->num_tokens > 0 ? 1 : 0);
674 }
675
676 curr_line = NULL;
677 if (!skin_start_new_line(skin_vp, wps_data->num_tokens))
678 return WPS_ERROR_INVALID_PARAM;
679
680 if (*ptr == 'l')
681 {
682 if (*(ptr+1) == '|')
683 {
684 char label = *(ptr+2);
685 if (label >= 'a' && label <= 'z')
686 {
687 skin_vp->hidden_flags = VP_DRAW_HIDEABLE;
688 skin_vp->label = label;
689 }
690 else
691 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
692 ptr += 3;
693 }
694 }
695 if (*ptr != '|')
696 return WPS_ERROR_INVALID_PARAM;
697
698 ptr++;
699 struct viewport *vp = &skin_vp->vp;
700 /* format: %V|x|y|width|height|font|fg_pattern|bg_pattern| */
701
702 if (!(ptr = viewport_parse_viewport(vp, screen, ptr, '|')))
703 return WPS_ERROR_INVALID_PARAM;
704
705 /* Check for trailing | */
706 if (*ptr != '|')
707 return WPS_ERROR_INVALID_PARAM;
708
709
710 struct skin_token_list *list = new_skin_token_list_item(NULL, skin_vp);
711 if (!list)
712 return WPS_ERROR_INVALID_PARAM;
713 add_to_ll_chain(&wps_data->viewports, list);
714 curr_vp = skin_vp;
715 /* Skip the rest of the line */
716 return skip_end_of_line(wps_bufptr);
717 }
718
719 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
720 static int parse_image_special(const char *wps_bufptr,
721 struct wps_token *token,
722 struct wps_data *wps_data)
723 {
724 (void)wps_data; /* kill warning */
725 (void)token;
726 const char *pos = NULL;
727 const char *newline;
728
729 pos = strchr(wps_bufptr + 1, '|');
730 newline = strchr(wps_bufptr, '\n');
731
732 if (pos > newline)
733 return WPS_ERROR_INVALID_PARAM;
734 #if LCD_DEPTH > 1
735 if (token->type == WPS_TOKEN_IMAGE_BACKDROP)
736 {
737 /* format: %X|filename.bmp| */
738 bmp_names[BACKDROP_BMP] = wps_bufptr + 1;
739 }
740 #endif
741
742 /* Skip the rest of the line */
743 return skip_end_of_line(wps_bufptr);
744 }
745 #endif
746
747 #endif /* HAVE_LCD_BITMAP */
748
749 static int parse_setting(const char *wps_bufptr,
750 struct wps_token *token,
751 struct wps_data *wps_data)
752 {
753 (void)wps_data;
754 const char *ptr = wps_bufptr;
755 const char *end;
756 int i;
757
758 /* Find the setting's cfg_name */
759 if (*ptr != '|')
760 return WPS_ERROR_INVALID_PARAM;
761 ptr++;
762 end = strchr(ptr,'|');
763 if (!end)
764 return WPS_ERROR_INVALID_PARAM;
765
766 /* Find the setting */
767 for (i=0; i<nb_settings; i++)
768 if (settings[i].cfg_name &&
769 !strncmp(settings[i].cfg_name,ptr,end-ptr) &&
770 /* prevent matches on cfg_name prefixes */
771 strlen(settings[i].cfg_name)==(size_t)(end-ptr))
772 break;
773 if (i == nb_settings)
774 return WPS_ERROR_INVALID_PARAM;
775
776 /* Store the setting number */
777 token->value.i = i;
778
779 /* Skip the rest of the line */
780 return end-ptr+2;
781 }
782
783
784 static int parse_dir_level(const char *wps_bufptr,
785 struct wps_token *token,
786 struct wps_data *wps_data)
787 {
788 char val[] = { *wps_bufptr, '\0' };
789 token->value.i = atoi(val);
790 (void)wps_data; /* Kill warnings */
791 return 1;
792 }
793
794 static int parse_timeout(const char *wps_bufptr,
795 struct wps_token *token,
796 struct wps_data *wps_data)
797 {
798 int skip = 0;
799 int val = 0;
800 bool have_point = false;
801 bool have_tenth = false;
802
803 (void)wps_data; /* Kill the warning */
804
805 while ( isdigit(*wps_bufptr) || *wps_bufptr == '.' )
806 {
807 if (*wps_bufptr != '.')
808 {
809 val *= 10;
810 val += *wps_bufptr - '0';
811 if (have_point)
812 {
813 have_tenth = true;
814 wps_bufptr++;
815 skip++;
816 break;
817 }
818 }
819 else
820 have_point = true;
821
822 wps_bufptr++;
823 skip++;
824 }
825
826 if (have_tenth == false)
827 val *= 10;
828
829 if (val == 0 && skip == 0)
830 {
831 /* decide what to do if no value was specified */
832 switch (token->type)
833 {
834 case WPS_TOKEN_SUBLINE_TIMEOUT:
835 return -1;
836 case WPS_TOKEN_BUTTON_VOLUME:
837 val = 10;
838 break;
839 }
840 }
841 token->value.i = val;
842
843 return skip;
844 }
845
846 static int parse_progressbar(const char *wps_bufptr,
847 struct wps_token *token,
848 struct wps_data *wps_data)
849 {
850 /* %pb or %pb|filename|x|y|width|height|
851 using - for any of the params uses "sane" values */
852 #ifdef HAVE_LCD_BITMAP
853 enum {
854 PB_FILENAME = 0,
855 PB_X,
856 PB_Y,
857 PB_WIDTH,
858 PB_HEIGHT
859 };
860 const char *filename;
861 int x, y, height, width;
862 uint32_t set = 0;
863 const char *ptr = wps_bufptr;
864 struct progressbar *pb = skin_buffer_alloc(sizeof(struct progressbar));
865 struct skin_token_list *item = new_skin_token_list_item(token, pb);
866
867 if (!pb || !item)
868 return WPS_ERROR_INVALID_PARAM;
869
870 struct viewport *vp = &curr_vp->vp;
871 #ifndef __PCTOOL__
872 int font_height = font_get(vp->font)->height;
873 #else
874 int font_height = 8;
875 #endif
876 /* we need to know what line number (viewport relative) this pb is,
877 * so count them... */
878 int line_num = -1;
879 struct skin_line *line = curr_vp->lines;
880 while (line)
881 {
882 line_num++;
883 line = line->next;
884 }
885 pb->have_bitmap_pb = false;
886 pb->bm.data = NULL; /* no bitmap specified */
887
888 if (*wps_bufptr != '|') /* regular old style */
889 {
890 pb->x = 0;
891 pb->width = vp->width;
892 pb->height = SYSFONT_HEIGHT-2;
893 pb->y = -line_num - 1; /* Will be computed during the rendering */
894
895 curr_vp->pb = pb;
896 add_to_ll_chain(&wps_data->progressbars, item);
897 return 0;
898 }
899 ptr = wps_bufptr + 1;
900
901 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
902 &x, &y, &width, &height)))
903 return WPS_ERROR_INVALID_PARAM;
904
905 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
906 pb->bm.data = (char*)filename;
907
908 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
909 pb->x = x;
910 else
911 pb->x = vp->x;
912
913 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
914 {
915 /* A zero width causes a divide-by-zero error later, so reject it */
916 if (width == 0)
917 return WPS_ERROR_INVALID_PARAM;
918
919 pb->width = width;
920 }
921 else
922 pb->width = vp->width - pb->x;
923
924 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
925 {
926 /* A zero height makes no sense - reject it */
927 if (height == 0)
928 return WPS_ERROR_INVALID_PARAM;
929
930 pb->height = height;
931 }
932 else
933 pb->height = font_height;
934
935 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
936 pb->y = y;
937 else
938 pb->y = -line_num - 1; /* Will be computed during the rendering */
939
940 curr_vp->pb = pb;
941 add_to_ll_chain(&wps_data->progressbars, item);
942
943 /* Skip the rest of the line */
944 return skip_end_of_line(wps_bufptr)-1;
945 #else
946 (void)token;
947
948 if (*(wps_bufptr-1) == 'f')
949 wps_data->full_line_progressbar = true;
950 else
951 wps_data->full_line_progressbar = false;
952
953 return 0;
954
955 #endif
956 }
957
958 #ifdef HAVE_ALBUMART
959 static int parse_albumart_load(const char *wps_bufptr,
960 struct wps_token *token,
961 struct wps_data *wps_data)
962 {
963 const char *_pos, *newline;
964 bool parsing;
965 struct skin_albumart *aa = skin_buffer_alloc(sizeof(struct skin_albumart));
966 (void)token; /* silence warning */
967 if (!aa)
968 return skip_end_of_line(wps_bufptr);
969
970 /* reset albumart info in wps */
971 aa->albumart_max_width = -1;
972 aa->albumart_max_height = -1;
973 aa->albumart_xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
974 aa->albumart_yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
975 aa->vp = &curr_vp->vp;
976
977 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
978
979 newline = strchr(wps_bufptr, '\n');
980
981 /* initial validation and parsing of x and y components */
982 if (*wps_bufptr != '|')
983 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
984
985 _pos = wps_bufptr + 1;
986 _pos = parse_list("dd", NULL, '|', _pos, &aa->albumart_x, &aa->albumart_y);
987
988 if (!_pos || _pos > newline || *_pos != '|')
989 return WPS_ERROR_INVALID_PARAM; /* malformed token: no | after y coordinate
990 e.g. %Cl|7|59\n */
991
992 /* parsing width field */
993 parsing = true;
994 while (parsing)
995 {
996 /* apply each modifier in turn */
997 ++_pos;
998 switch (*_pos)
999 {
1000 case 'l':
1001 case 'L':
1002 case '+':
1003 aa->albumart_xalign = WPS_ALBUMART_ALIGN_LEFT;
1004 break;
1005 case 'c':
1006 case 'C':
1007 aa->albumart_xalign = WPS_ALBUMART_ALIGN_CENTER;
1008 break;
1009 case 'r':
1010 case 'R':
1011 case '-':
1012 aa->albumart_xalign = WPS_ALBUMART_ALIGN_RIGHT;
1013 break;
1014 case 'd':
1015 case 'D':
1016 case 'i':
1017 case 'I':
1018 case 's':
1019 case 'S':
1020 /* simply ignored */
1021 break;
1022 default:
1023 parsing = false;
1024 break;
1025 }
1026 }
1027 /* extract max width data */
1028 if (*_pos != '|')
1029 {
1030 if (!isdigit(*_pos)) /* malformed token: e.g. %Cl|7|59|# */
1031 return WPS_ERROR_INVALID_PARAM;
1032
1033 aa->albumart_max_width = atoi(_pos);
1034
1035 _pos = strchr(_pos, '|');
1036 if (!_pos || _pos > newline)
1037 return WPS_ERROR_INVALID_PARAM; /* malformed token: no | after width field
1038 e.g. %Cl|7|59|200\n */
1039 }
1040
1041 /* parsing height field */
1042 parsing = true;
1043 while (parsing)
1044 {
1045 /* apply each modifier in turn */
1046 ++_pos;
1047 switch (*_pos)
1048 {
1049 case 't':
1050 case 'T':
1051 case '-':
1052 aa->albumart_yalign = WPS_ALBUMART_ALIGN_TOP;
1053 break;
1054 case 'c':
1055 case 'C':
1056 aa->albumart_yalign = WPS_ALBUMART_ALIGN_CENTER;
1057 break;
1058 case 'b':
1059 case 'B':
1060 case '+':
1061 aa->albumart_yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1062 break;
1063 case 'd':
1064 case 'D':
1065 case 'i':
1066 case 'I':
1067 case 's':
1068 case 'S':
1069 /* simply ignored */
1070 break;
1071 default:
1072 parsing = false;
1073 break;
1074 }
1075 }
1076 /* extract max height data */
1077 if (*_pos != '|')
1078 {
1079 if (!isdigit(*_pos))
1080 return WPS_ERROR_INVALID_PARAM; /* malformed token e.g. %Cl|7|59|200|@ */
1081
1082 aa->albumart_max_height = atoi(_pos);
1083
1084 _pos = strchr(_pos, '|');
1085 if (!_pos || _pos > newline)
1086 return WPS_ERROR_INVALID_PARAM; /* malformed token: no closing |
1087 e.g. %Cl|7|59|200|200\n */
1088 }
1089
1090 /* if we got here, we parsed everything ok .. ! */
1091 if (aa->albumart_max_width < 0)
1092 aa->albumart_max_width = 0;
1093 else if (aa->albumart_max_width > LCD_WIDTH)
1094 aa->albumart_max_width = LCD_WIDTH;
1095
1096 if (aa->albumart_max_height < 0)
1097 aa->albumart_max_height = 0;
1098 else if (aa->albumart_max_height > LCD_HEIGHT)
1099 aa->albumart_max_height = LCD_HEIGHT;
1100
1101 aa->wps_uses_albumart = WPS_ALBUMART_LOAD;
1102 aa->draw = false;
1103 wps_data->albumart = aa;
1104
1105 /* Skip the rest of the line */
1106 return skip_end_of_line(wps_bufptr);
1107 }
1108
1109 static int parse_albumart_display(const char *wps_bufptr,
1110 struct wps_token *token,
1111 struct wps_data *wps_data)
1112 {
1113 (void)wps_bufptr;
1114 struct wps_token *prev = token-1;
1115 if ((wps_data->num_tokens > 1) && (prev->type == WPS_TOKEN_CONDITIONAL))
1116 {
1117 token->type = WPS_TOKEN_ALBUMART_FOUND;
1118 }
1119 else if (wps_data->albumart)
1120 {
1121 wps_data->albumart->vp = &curr_vp->vp;
1122 }
1123 #if 0
1124 /* the old code did this so keep it here for now...
1125 * this is to allow the posibility to showing the next tracks AA! */
1126 if (wps_bufptr+1 == 'n')
1127 return 1;
1128 #endif
1129 return 0;
1130 };
1131 #endif /* HAVE_ALBUMART */
1132
1133 #ifdef HAVE_TOUCHSCREEN
1134
1135 struct touchaction {char* s; int action;};
1136 static struct touchaction touchactions[] = {
1137 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1138 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1139 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1140 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1141 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1142 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1143 {"playlist", ACTION_WPS_VIEW_PLAYLIST }, {"pitch", ACTION_WPS_PITCHSCREEN},
1144 };
1145 static int parse_touchregion(const char *wps_bufptr,
1146 struct wps_token *token, struct wps_data *wps_data)
1147 {
1148 (void)token;
1149 unsigned i, imax;
1150 struct touchregion *region = NULL;
1151 const char *ptr = wps_bufptr;
1152 const char *action;
1153 const char pb_string[] = "progressbar";
1154 const char vol_string[] = "volume";
1155 int x,y,w,h;
1156
1157 /* format: %T|x|y|width|height|action|
1158 * if action starts with & the area must be held to happen
1159 * action is one of:
1160 * play - play/pause playback
1161 * stop - stop playback, exit the wps
1162 * prev - prev track
1163 * next - next track
1164 * ffwd - seek forward
1165 * rwd - seek backwards
1166 * menu - go back to the main menu
1167 * browse - go back to the file/db browser
1168 * shuffle - toggle shuffle mode
1169 * repmode - cycle the repeat mode
1170 * quickscreen - go into the quickscreen
1171 * contextmenu - open the context menu
1172 * playlist - go into the playlist
1173 * pitch - go into the pitchscreen
1174 */
1175
1176
1177 if (*ptr != '|')
1178 return WPS_ERROR_INVALID_PARAM;
1179 ptr++;
1180
1181 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1182 return WPS_ERROR_INVALID_PARAM;
1183
1184 /* Check there is a terminating | */
1185 if (*ptr != '|')
1186 return WPS_ERROR_INVALID_PARAM;
1187
1188 region = skin_buffer_alloc(sizeof(struct touchregion));
1189 if (!region)
1190 return WPS_ERROR_INVALID_PARAM;
1191
1192 /* should probably do some bounds checking here with the viewport... but later */
1193 region->action = ACTION_NONE;
1194 region->x = x;
1195 region->y = y;
1196 region->width = w;
1197 region->height = h;
1198 region->wvp = curr_vp;
1199
1200 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1201 && *(action + sizeof(pb_string)-1) == '|')
1202 region->type = WPS_TOUCHREGION_SCROLLBAR;
1203 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1204 && *(action + sizeof(vol_string)-1) == '|')
1205 region->type = WPS_TOUCHREGION_VOLUME;
1206 else
1207 {
1208 region->type = WPS_TOUCHREGION_ACTION;
1209
1210 if (*action == '&')
1211 {
1212 action++;
1213 region->repeat = true;
1214 }
1215 else
1216 region->repeat = false;
1217
1218 i = 0;
1219 imax = ARRAYLEN(touchactions);
1220 while ((region->action == ACTION_NONE) &&
1221 (i < imax))
1222 {
1223 /* try to match with one of our touchregion screens */
1224 int len = strlen(touchactions[i].s);
1225 if (!strncmp(touchactions[i].s, action, len)
1226 && *(action+len) == '|')
1227 region->action = touchactions[i].action;
1228 i++;
1229 }
1230 if (region->action == ACTION_NONE)
1231 return WPS_ERROR_INVALID_PARAM;
1232 }
1233 struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1234 if (!item)
1235 return WPS_ERROR_INVALID_PARAM;
1236 add_to_ll_chain(&wps_data->touchregions, item);
1237 return skip_end_of_line(wps_bufptr);
1238 }
1239 #endif
1240
1241 /* Parse a generic token from the given string. Return the length read */
1242 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1243 {
1244 int skip = 0, taglen = 0, ret;
1245 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1246 const struct wps_tag *tag;
1247 memset(token, 0, sizeof(*token));
1248
1249 switch(*wps_bufptr)
1250 {
1251
1252 case '%':
1253 case '<':
1254 case '|':
1255 case '>':
1256 case ';':
1257 case '#':
1258 /* escaped characters */
1259 token->type = WPS_TOKEN_CHARACTER;
1260 token->value.c = *wps_bufptr;
1261 taglen = 1;
1262 wps_data->num_tokens++;
1263 break;
1264
1265 case '?':
1266 /* conditional tag */
1267 token->type = WPS_TOKEN_CONDITIONAL;
1268 level++;
1269 condindex[level] = wps_data->num_tokens;
1270 numoptions[level] = 1;
1271 wps_data->num_tokens++;
1272 ret = parse_token(wps_bufptr + 1, wps_data);
1273 if (ret < 0) return ret;
1274 taglen = 1 + ret;
1275 break;
1276
1277 default:
1278 /* find what tag we have */
1279 for (tag = all_tags;
1280 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1281 tag++) ;
1282
1283 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1284 token->type = tag->type;
1285 curr_line->curr_subline->line_type |= tag->refresh_type;
1286
1287 /* if the tag has a special parsing function, we call it */
1288 if (tag->parse_func)
1289 {
1290 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1291 if (ret < 0) return ret;
1292 skip += ret;
1293 }
1294
1295 /* Some tags we don't want to save as tokens */
1296 if (tag->type == WPS_NO_TOKEN)
1297 break;
1298
1299 /* tags that start with 'F', 'I' or 'D' are for the next file */
1300 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1301 *(tag->name) == 'D')
1302 token->next = true;
1303
1304 wps_data->num_tokens++;
1305 break;
1306 }
1307
1308 skip += taglen;
1309 return skip;
1310 }
1311
1312 /* Parses the WPS.
1313 data is the pointer to the structure where the parsed WPS should be stored.
1314 It is initialised.
1315 wps_bufptr points to the string containing the WPS tags */
1316 #define TOKEN_BLOCK_SIZE 128
1317 static bool wps_parse(struct wps_data *data, const char *wps_bufptr, bool debug)
1318 {
1319 if (!data || !wps_bufptr || !*wps_bufptr)
1320 return false;
1321 enum wps_parse_error fail = PARSE_OK;
1322 int ret;
1323 int max_tokens = TOKEN_BLOCK_SIZE;
1324 size_t buf_free = 0;
1325 line_number = 1;
1326 level = -1;
1327
1328 /* allocate enough RAM for a reasonable skin, grow as needed.
1329 * Free any used RAM before loading the images to be 100% RAM efficient */
1330 data->tokens = (struct wps_token *)skin_buffer_grab(&buf_free);
1331 if (sizeof(struct wps_token)*max_tokens >= buf_free)
1332 return false;
1333 skin_buffer_increment(max_tokens * sizeof(struct wps_token), false);
1334 data->num_tokens = 0;
1335
1336 while (*wps_bufptr && !fail)
1337 {
1338 /* first make sure there is enough room for tokens */
1339 if (max_tokens <= data->num_tokens + 5)
1340 {
1341 int extra_tokens = TOKEN_BLOCK_SIZE;
1342 size_t needed = extra_tokens * sizeof(struct wps_token);
1343 /* do some smarts here to grow the array a bit */
1344 if (skin_buffer_freespace() < needed)
1345 {
1346 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1347 break;
1348 }
1349 skin_buffer_increment(needed, false);
1350 max_tokens += extra_tokens;
1351 }
1352
1353 switch(*wps_bufptr++)
1354 {
1355
1356 /* Regular tag */
1357 case '%':
1358 if ((ret = parse_token(wps_bufptr, data)) < 0)
1359 {
1360 fail = PARSE_FAIL_COND_INVALID_PARAM;
1361 break;
1362 }
1363 else if (level >= WPS_MAX_COND_LEVEL - 1)
1364 {
1365 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1366 break;
1367 }
1368 wps_bufptr += ret;
1369 break;
1370
1371 /* Alternating sublines separator */
1372 case ';':
1373 if (level >= 0) /* there are unclosed conditionals */
1374 {
1375 fail = PARSE_FAIL_UNCLOSED_COND;
1376 break;
1377 }
1378
1379 if (!skin_start_new_subline(curr_line, data->num_tokens))
1380 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1381
1382 break;
1383
1384 /* Conditional list start */
1385 case '<':
1386 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1387 {
1388 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1389 break;
1390 }
1391
1392 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1393 lastcond[level] = data->num_tokens++;
1394 break;
1395
1396 /* Conditional list end */
1397 case '>':
1398 if (level < 0) /* not in a conditional, invalid char */
1399 {
1400 fail = PARSE_FAIL_INVALID_CHAR;
1401 break;
1402 }
1403
1404 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1405 if (lastcond[level])
1406 data->tokens[lastcond[level]].value.i = data->num_tokens;
1407 else
1408 {
1409 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1410 break;
1411 }
1412
1413 lastcond[level] = 0;
1414 data->num_tokens++;
1415 data->tokens[condindex[level]].value.i = numoptions[level];
1416 level--;
1417 break;
1418
1419 /* Conditional list option */
1420 case '|':
1421 if (level < 0) /* not in a conditional, invalid char */
1422 {
1423 fail = PARSE_FAIL_INVALID_CHAR;
1424 break;
1425 }
1426
1427 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1428 if (lastcond[level])
1429 data->tokens[lastcond[level]].value.i = data->num_tokens;
1430 else
1431 {
1432 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1433 break;
1434 }
1435
1436 lastcond[level] = data->num_tokens;
1437 numoptions[level]++;
1438 data->num_tokens++;
1439 break;
1440
1441 /* Comment */
1442 case '#':
1443 if (level >= 0) /* there are unclosed conditionals */
1444 {
1445 fail = PARSE_FAIL_UNCLOSED_COND;
1446 break;
1447 }
1448
1449 wps_bufptr += skip_end_of_line(wps_bufptr);
1450 break;
1451
1452 /* End of this line */
1453 case '\n':
1454 if (level >= 0) /* there are unclosed conditionals */
1455 {
1456 fail = PARSE_FAIL_UNCLOSED_COND;
1457 break;
1458 }
1459 /* add a new token for the \n so empty lines are correct */
1460 data->tokens[data->num_tokens].type = WPS_TOKEN_CHARACTER;
1461 data->tokens[data->num_tokens].value.c = '\n';
1462 data->tokens[data->num_tokens].next = false;
1463 data->num_tokens++;
1464
1465 if (!skin_start_new_line(curr_vp, data->num_tokens))
1466 {
1467 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1468 break;
1469 }
1470
1471 break;
1472
1473 /* String */
1474 default:
1475 {
1476 unsigned int len = 1;
1477 const char *string_start = wps_bufptr - 1;
1478
1479 /* find the length of the string */
1480 while (*wps_bufptr && *wps_bufptr != '#' &&
1481 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1482 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1483 *wps_bufptr != '|' && *wps_bufptr != '\n')
1484 {
1485 wps_bufptr++;
1486 len++;
1487 }
1488
1489 /* look if we already have that string */
1490 char *str;
1491 bool found = false;
1492 struct skin_token_list *list = data->strings;
1493 while (list)
1494 {
1495 str = (char*)list->token->value.data;
1496 found = (strlen(str) == len &&
1497 strncmp(string_start, str, len) == 0);
1498 if (found)
1499 break; /* break here because the list item is
1500 used if its found */
1501 list = list->next;
1502 }
1503 /* If a matching string is found, found is true and i is
1504 the index of the string. If not, found is false */
1505
1506 if (!found)
1507 {
1508 /* new string */
1509 str = (char*)skin_buffer_alloc(len+1);
1510 if (!str)
1511 {
1512 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1513 break;
1514 }
1515 strlcpy(str, string_start, len+1);
1516 struct skin_token_list *item =
1517 new_skin_token_list_item(&data->tokens[data->num_tokens], str);
1518 if(!item)
1519 {
1520 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1521 break;
1522 }
1523 add_to_ll_chain(&data->strings, item);
1524 }
1525 else
1526 {
1527 /* another occurrence of an existing string */
1528 data->tokens[data->num_tokens].value.data = list->token->value.data;
1529 }
1530 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1531 data->num_tokens++;
1532 }
1533 break;
1534 }
1535 }
1536
1537 if (!fail && level >= 0) /* there are unclosed conditionals */
1538 fail = PARSE_FAIL_UNCLOSED_COND;
1539
1540 if (*wps_bufptr && !fail)
1541 /* one of the limits of the while loop was exceeded */
1542 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1543
1544 /* Success! */
1545 curr_line->curr_subline->last_token_idx = data->num_tokens;
1546 data->tokens[data->num_tokens++].type = WPS_NO_TOKEN;
1547 /* freeup unused tokens */
1548 skin_buffer_free_from_front(sizeof(struct wps_token)
1549 * (max_tokens - data->num_tokens));
1550
1551 #if defined(DEBUG) || defined(SIMULATOR)
1552 if (debug)
1553 print_debug_info(data, fail, line_number);
1554 #else
1555 (void)debug;
1556 #endif
1557
1558 return (fail == 0);
1559 }
1560
1561 static void wps_reset(struct wps_data *data)
1562 {
1563 #ifdef HAVE_REMOTE_LCD
1564 bool rwps = data->remote_wps; /* remember whether the data is for a RWPS */
1565 #endif
1566 memset(data, 0, sizeof(*data));
1567 skin_data_init(data);
1568 #ifdef HAVE_REMOTE_LCD
1569 data->remote_wps = rwps;
1570 #endif
1571 }
1572
1573 #ifdef HAVE_LCD_BITMAP
1574 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
1575 {
1576 (void)wps_data; /* only needed for remote targets */
1577 bool loaded = false;
1578 char img_path[MAX_PATH];
1579 get_image_filename(bitmap->data, bmpdir,
1580 img_path, sizeof(img_path));
1581
1582 /* load the image */
1583 int format;
1584 #ifdef HAVE_REMOTE_LCD
1585 if (wps_data->remote_wps)
1586 format = FORMAT_ANY|FORMAT_REMOTE;
1587 else
1588 #endif
1589 format = FORMAT_ANY|FORMAT_TRANSPARENT;
1590
1591 size_t max_buf;
1592 char* imgbuf = (char*)skin_buffer_grab(&max_buf);
1593 bitmap->data = imgbuf;
1594 int ret = read_bmp_file(img_path, bitmap, max_buf, format, NULL);
1595
1596 if (ret > 0)
1597 {
1598 skin_buffer_increment(ret, true);
1599 loaded = true;
1600 }
1601 else
1602 {
1603 /* Abort if we can't load an image */
1604 DEBUGF("ERR: Failed to load image - %s\n",img_path);
1605 loaded = false;
1606 }
1607 return loaded;
1608 }
1609
1610 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
1611 {
1612 struct skin_token_list *list;
1613 /* do the progressbars */
1614 list = wps_data->progressbars;
1615 while (list)
1616 {
1617 struct progressbar *pb = (struct progressbar*)list->token->value.data;
1618 if (pb->bm.data)
1619 {
1620 pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
1621 }
1622 list = list->next;
1623 }
1624 /* regular images */
1625 list = wps_data->images;
1626 while (list)
1627 {
1628 struct gui_img *img = (struct gui_img*)list->token->value.data;
1629 if (img->bm.data)
1630 {
1631 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
1632 if (img->loaded)
1633 img->subimage_height = img->bm.height / img->num_subimages;
1634 }
1635 list = list->next;
1636 }
1637
1638 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1639 if (bmp_names[BACKDROP_BMP])
1640 {
1641 int screen = SCREEN_MAIN;
1642 char img_path[MAX_PATH];
1643 get_image_filename(bmp_names[BACKDROP_BMP], bmpdir,
1644 img_path, sizeof(img_path));
1645 #if defined(HAVE_REMOTE_LCD)
1646 /* We only need to check LCD type if there is a remote LCD */
1647 if (wps_data->remote_wps)
1648 screen = SCREEN_REMOTE;
1649 #endif
1650 screens[screen].backdrop_load(BACKDROP_SKIN_WPS, img_path);
1651 }
1652 #endif /* has backdrop support */
1653
1654 /* If we got here, everything was OK */
1655 return true;
1656 }
1657
1658 #endif /* HAVE_LCD_BITMAP */
1659
1660 /* to setup up the wps-data from a format-buffer (isfile = false)
1661 from a (wps-)file (isfile = true)*/
1662 bool skin_data_load(struct wps_data *wps_data,
1663 struct screen *display,
1664 const char *buf,
1665 bool isfile)
1666 {
1667
1668 if (!wps_data || !buf)
1669 return false;
1670 #ifdef HAVE_ALBUMART
1671 int status;
1672 struct mp3entry *curtrack;
1673 long offset;
1674 struct skin_albumart old_aa = {.wps_uses_albumart = WPS_ALBUMART_NONE};
1675 if (wps_data->albumart)
1676 {
1677 old_aa.wps_uses_albumart = wps_data->albumart->wps_uses_albumart;
1678 old_aa.albumart_max_height = wps_data->albumart->albumart_max_height;
1679 old_aa.albumart_max_width = wps_data->albumart->albumart_max_width;
1680 }
1681 #endif
1682
1683 wps_reset(wps_data);
1684
1685 curr_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
1686 if (!curr_vp)
1687 return false;
1688 struct skin_token_list *list = new_skin_token_list_item(NULL, curr_vp);
1689 if (!list)
1690 return false;
1691 add_to_ll_chain(&wps_data->viewports, list);
1692
1693
1694 /* Initialise the first (default) viewport */
1695 curr_vp->label = VP_DEFAULT_LABEL;
1696 curr_vp->vp.x = 0;
1697 curr_vp->vp.width = display->getwidth();
1698 curr_vp->vp.height = display->getheight();
1699 curr_vp->pb = NULL;
1700 curr_vp->hidden_flags = 0;
1701 curr_vp->lines = NULL;
1702
1703 curr_line = NULL;
1704 if (!skin_start_new_line(curr_vp, 0))
1705 return false;
1706
1707 switch (statusbar_position(display->screen_type))
1708 {
1709 case STATUSBAR_OFF:
1710 curr_vp->vp.y = 0;
1711 break;
1712 case STATUSBAR_TOP:
1713 curr_vp->vp.y = STATUSBAR_HEIGHT;
1714 curr_vp->vp.height -= STATUSBAR_HEIGHT;
1715 break;
1716 case STATUSBAR_BOTTOM:
1717 curr_vp->vp.y = 0;
1718 curr_vp->vp.height -= STATUSBAR_HEIGHT;
1719 break;
1720 }
1721 #ifdef HAVE_LCD_BITMAP
1722 curr_vp->vp.font = FONT_UI;
1723 curr_vp->vp.drawmode = DRMODE_SOLID;
1724 #endif
1725 #if LCD_DEPTH > 1
1726 if (display->depth > 1)
1727 {
1728 curr_vp->vp.fg_pattern = display->get_foreground();
1729 curr_vp->vp.bg_pattern = display->get_background();
1730 }
1731 #endif
1732 if (!isfile)
1733 {
1734 return wps_parse(wps_data, buf, false);
1735 }
1736 else
1737 {
1738 int fd = open_utf8(buf, O_RDONLY);
1739
1740 if (fd < 0)
1741 return false;
1742
1743 /* get buffer space from the plugin buffer */
1744 size_t buffersize = 0;
1745 char *wps_buffer = (char *)plugin_get_buffer(&buffersize);
1746
1747 if (!wps_buffer)
1748 return false;
1749
1750 /* copy the file's content to the buffer for parsing,
1751 ensuring that every line ends with a newline char. */
1752 unsigned int start = 0;
1753 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
1754 {
1755 start += strlen(wps_buffer + start);
1756 if (start < buffersize - 1)
1757 {
1758 wps_buffer[start++] = '\n';
1759 wps_buffer[start] = 0;
1760 }
1761 }
1762
1763 close(fd);
1764
1765 if (start <= 0)
1766 return false;
1767
1768 #ifdef HAVE_LCD_BITMAP
1769 /* Set all filename pointers to NULL */
1770 memset(bmp_names, 0, sizeof(bmp_names));
1771 #endif
1772
1773 /* parse the WPS source */
1774 if (!wps_parse(wps_data, wps_buffer, true)) {
1775 wps_reset(wps_data);
1776 return false;
1777 }
1778
1779 wps_data->wps_loaded = true;
1780
1781 #ifdef HAVE_LCD_BITMAP
1782 /* get the bitmap dir */
1783 char bmpdir[MAX_PATH];
1784 char *dot = strrchr(buf, '.');
1785
1786 strlcpy(bmpdir, buf, dot - buf + 1);
1787
1788 /* load the bitmaps that were found by the parsing */
1789 if (!load_skin_bitmaps(wps_data, bmpdir)) {
1790 wps_reset(wps_data);
1791 return false;
1792 }
1793 #endif
1794 #ifdef HAVE_ALBUMART
1795 status = audio_status();
1796 if (status & AUDIO_STATUS_PLAY)
1797 {
1798 struct skin_albumart *aa = wps_data->albumart;
1799 if (aa && ((aa->wps_uses_albumart && !old_aa.wps_uses_albumart) ||
1800 (aa->wps_uses_albumart &&
1801 (((old_aa.albumart_max_height != aa->albumart_max_height) ||
1802 (old_aa.albumart_max_width != aa->albumart_max_width))))))
1803 {
1804 curtrack = audio_current_track();
1805 offset = curtrack->offset;
1806 audio_stop();
1807 if (!(status & AUDIO_STATUS_PAUSE))
1808 audio_play(offset);
1809 }
1810 }
1811 #endif
1812 #if defined(DEBUG) || defined(SIMULATOR)
1813 debug_skin_usage();
1814 #endif
1815 return true;
1816 }
1817 }
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