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Revert r24958. It didn't fix anything (in fact, the problem described didn't exist...
[kugel-rb.git] / apps / gui / skin_engine / skin_parser.c
blob13e2df58896846e9e8a1b4f016e6c06a97a712f7
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 lang_is_rtl() (false)
40 #define DEBUGF printf
41 #endif /*WPSEDITOR*/
42 #else
43 #include "debug.h"
44 #include "language.h"
45 #endif /*__PCTOOL__*/
46
47 #include <ctype.h>
48 #include <stdbool.h>
49 #include "font.h"
50
51 #include "wps_internals.h"
52 #include "skin_engine.h"
53 #include "settings.h"
54 #include "settings_list.h"
55 #include "skin_fonts.h"
56
57 #ifdef HAVE_LCD_BITMAP
58 #include "bmp.h"
59 #endif
60
61 #ifdef HAVE_ALBUMART
62 #include "playback.h"
63 #endif
64
65 #include "backdrop.h"
66 #include "statusbar-skinned.h"
67
68 #define WPS_ERROR_INVALID_PARAM -1
69
70 /* which screen are we parsing for? */
71 static enum screen_type curr_screen;
72
73 /* level of current conditional.
74 -1 means we're not in a conditional. */
75 static int level = -1;
76
77 /* index of the last WPS_TOKEN_CONDITIONAL_OPTION
78 or WPS_TOKEN_CONDITIONAL_START in current level */
79 static int lastcond[WPS_MAX_COND_LEVEL];
80
81 /* index of the WPS_TOKEN_CONDITIONAL in current level */
82 static int condindex[WPS_MAX_COND_LEVEL];
83
84 /* number of condtional options in current level */
85 static int numoptions[WPS_MAX_COND_LEVEL];
86
87 /* line number, debug only */
88 static int line_number;
89
90 /* the current viewport */
91 static struct skin_viewport *curr_vp;
92 /* the current line, linked to the above viewport */
93 static struct skin_line *curr_line;
94
95 static int follow_lang_direction = 0;
96
97 #if defined(DEBUG) || defined(SIMULATOR)
98 /* debugging function */
99 extern void print_debug_info(struct wps_data *data, int fail, int line);
100 extern void debug_skin_usage(void);
101 #endif
102
103 /* Function for parsing of details for a token. At the moment the
104 function is called, the token type has already been set. The
105 function must fill in the details and possibly add more tokens
106 to the token array. It should return the number of chars that
107 has been consumed.
108
109 wps_bufptr points to the char following the tag (i.e. where
110 details begin).
111 token is the pointer to the 'main' token being parsed
112 */
113 typedef int (*wps_tag_parse_func)(const char *wps_bufptr,
114 struct wps_token *token, struct wps_data *wps_data);
115
116 struct wps_tag {
117 enum wps_token_type type;
118 const char name[3];
119 unsigned char refresh_type;
120 const wps_tag_parse_func parse_func;
121 };
122 static int skip_end_of_line(const char *wps_bufptr);
123 /* prototypes of all special parse functions : */
124 static int parse_timeout(const char *wps_bufptr,
125 struct wps_token *token, struct wps_data *wps_data);
126 static int parse_progressbar(const char *wps_bufptr,
127 struct wps_token *token, struct wps_data *wps_data);
128 static int parse_dir_level(const char *wps_bufptr,
129 struct wps_token *token, struct wps_data *wps_data);
130 static int parse_setting_and_lang(const char *wps_bufptr,
131 struct wps_token *token, struct wps_data *wps_data);
132
133
134 static int parse_languagedirection(const char *wps_bufptr,
135 struct wps_token *token, struct wps_data *wps_data)
136 {
137 (void)wps_bufptr;
138 (void)token;
139 (void)wps_data;
140 follow_lang_direction = 2; /* 2 because it is decremented immediatly after
141 this token is parsed, after the next token it
142 will be 0 again. */
143 return 0;
144 }
145
146 #ifdef HAVE_LCD_BITMAP
147 static int parse_viewport_display(const char *wps_bufptr,
148 struct wps_token *token, struct wps_data *wps_data);
149 static int parse_playlistview(const char *wps_bufptr,
150 struct wps_token *token, struct wps_data *wps_data);
151 static int parse_viewport(const char *wps_bufptr,
152 struct wps_token *token, struct wps_data *wps_data);
153 static int parse_statusbar_enable(const char *wps_bufptr,
154 struct wps_token *token, struct wps_data *wps_data);
155 static int parse_statusbar_disable(const char *wps_bufptr,
156 struct wps_token *token, struct wps_data *wps_data);
157 static int parse_image_display(const char *wps_bufptr,
158 struct wps_token *token, struct wps_data *wps_data);
159 static int parse_image_load(const char *wps_bufptr,
160 struct wps_token *token, struct wps_data *wps_data);
161 static int parse_font_load(const char *wps_bufptr,
162 struct wps_token *token, struct wps_data *wps_data);
163 #endif /*HAVE_LCD_BITMAP */
164 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
165 static int parse_image_special(const char *wps_bufptr,
166 struct wps_token *token, struct wps_data *wps_data);
167 #endif
168 #ifdef HAVE_ALBUMART
169 static int parse_albumart_load(const char *wps_bufptr,
170 struct wps_token *token, struct wps_data *wps_data);
171 static int parse_albumart_display(const char *wps_bufptr,
172 struct wps_token *token, struct wps_data *wps_data);
173 #endif /* HAVE_ALBUMART */
174 #ifdef HAVE_TOUCHSCREEN
175 static int parse_touchregion(const char *wps_bufptr,
176 struct wps_token *token, struct wps_data *wps_data);
177 #else
178 static int fulline_tag_not_supported(const char *wps_bufptr,
179 struct wps_token *token, struct wps_data *wps_data)
180 {
181 (void)token; (void)wps_data;
182 return skip_end_of_line(wps_bufptr);
183 }
184 #define parse_touchregion fulline_tag_not_supported
185 #endif
186 #ifdef CONFIG_RTC
187 #define WPS_RTC_REFRESH WPS_REFRESH_DYNAMIC
188 #else
189 #define WPS_RTC_REFRESH WPS_REFRESH_STATIC
190 #endif
191
192 /* array of available tags - those with more characters have to go first
193 (e.g. "xl" and "xd" before "x"). It needs to end with the unknown token. */
194 static const struct wps_tag all_tags[] = {
195
196 { WPS_TOKEN_ALIGN_CENTER, "ac", 0, NULL },
197 { WPS_TOKEN_ALIGN_LEFT, "al", 0, NULL },
198 { WPS_TOKEN_ALIGN_LEFT_RTL, "aL", 0, NULL },
199 { WPS_TOKEN_ALIGN_RIGHT, "ar", 0, NULL },
200 { WPS_TOKEN_ALIGN_RIGHT_RTL, "aR", 0, NULL },
201 { WPS_NO_TOKEN, "ax", 0, parse_languagedirection },
202
203 { WPS_TOKEN_BATTERY_PERCENT, "bl", WPS_REFRESH_DYNAMIC, NULL },
204 { WPS_TOKEN_BATTERY_VOLTS, "bv", WPS_REFRESH_DYNAMIC, NULL },
205 { WPS_TOKEN_BATTERY_TIME, "bt", WPS_REFRESH_DYNAMIC, NULL },
206 { WPS_TOKEN_BATTERY_SLEEPTIME, "bs", WPS_REFRESH_DYNAMIC, NULL },
207 #if CONFIG_CHARGING >= CHARGING_MONITOR
208 { WPS_TOKEN_BATTERY_CHARGING, "bc", WPS_REFRESH_DYNAMIC, NULL },
209 #endif
210 #if CONFIG_CHARGING
211 { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp", WPS_REFRESH_DYNAMIC, NULL },
212 #endif
213 #ifdef HAVE_USB_POWER
214 { WPS_TOKEN_USB_POWERED, "bu", WPS_REFRESH_DYNAMIC, NULL },
215 #endif
216
217 { WPS_TOKEN_RTC_PRESENT , "cc", WPS_REFRESH_STATIC, NULL },
218 { WPS_TOKEN_RTC_DAY_OF_MONTH, "cd", WPS_RTC_REFRESH, NULL },
219 { WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,"ce", WPS_RTC_REFRESH, NULL },
220 { WPS_TOKEN_RTC_12HOUR_CFG, "cf", WPS_RTC_REFRESH, NULL },
221 { WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED, "cH", WPS_RTC_REFRESH, NULL },
222 { WPS_TOKEN_RTC_HOUR_24, "ck", WPS_RTC_REFRESH, NULL },
223 { WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED, "cI", WPS_RTC_REFRESH, NULL },
224 { WPS_TOKEN_RTC_HOUR_12, "cl", WPS_RTC_REFRESH, NULL },
225 { WPS_TOKEN_RTC_MONTH, "cm", WPS_RTC_REFRESH, NULL },
226 { WPS_TOKEN_RTC_MINUTE, "cM", WPS_RTC_REFRESH, NULL },
227 { WPS_TOKEN_RTC_SECOND, "cS", WPS_RTC_REFRESH, NULL },
228 { WPS_TOKEN_RTC_YEAR_2_DIGITS, "cy", WPS_RTC_REFRESH, NULL },
229 { WPS_TOKEN_RTC_YEAR_4_DIGITS, "cY", WPS_RTC_REFRESH, NULL },
230 { WPS_TOKEN_RTC_AM_PM_UPPER, "cP", WPS_RTC_REFRESH, NULL },
231 { WPS_TOKEN_RTC_AM_PM_LOWER, "cp", WPS_RTC_REFRESH, NULL },
232 { WPS_TOKEN_RTC_WEEKDAY_NAME, "ca", WPS_RTC_REFRESH, NULL },
233 { WPS_TOKEN_RTC_MONTH_NAME, "cb", WPS_RTC_REFRESH, NULL },
234 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON, "cu", WPS_RTC_REFRESH, NULL },
235 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN, "cw", WPS_RTC_REFRESH, NULL },
236
237 /* current file */
238 { WPS_TOKEN_FILE_BITRATE, "fb", WPS_REFRESH_STATIC, NULL },
239 { WPS_TOKEN_FILE_CODEC, "fc", WPS_REFRESH_STATIC, NULL },
240 { WPS_TOKEN_FILE_FREQUENCY, "ff", WPS_REFRESH_STATIC, NULL },
241 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "fk", WPS_REFRESH_STATIC, NULL },
242 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "fm", WPS_REFRESH_STATIC, NULL },
243 { WPS_TOKEN_FILE_NAME, "fn", WPS_REFRESH_STATIC, NULL },
244 { WPS_TOKEN_FILE_PATH, "fp", WPS_REFRESH_STATIC, NULL },
245 { WPS_TOKEN_FILE_SIZE, "fs", WPS_REFRESH_STATIC, NULL },
246 { WPS_TOKEN_FILE_VBR, "fv", WPS_REFRESH_STATIC, NULL },
247 { WPS_TOKEN_FILE_DIRECTORY, "d", WPS_REFRESH_STATIC,
248 parse_dir_level },
249
250 /* next file */
251 { WPS_TOKEN_FILE_BITRATE, "Fb", WPS_REFRESH_STATIC, NULL },
252 { WPS_TOKEN_FILE_CODEC, "Fc", WPS_REFRESH_STATIC, NULL },
253 { WPS_TOKEN_FILE_FREQUENCY, "Ff", WPS_REFRESH_STATIC, NULL },
254 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "Fk", WPS_REFRESH_STATIC, NULL },
255 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "Fm", WPS_REFRESH_STATIC, NULL },
256 { WPS_TOKEN_FILE_NAME, "Fn", WPS_REFRESH_STATIC, NULL },
257 { WPS_TOKEN_FILE_PATH, "Fp", WPS_REFRESH_STATIC, NULL },
258 { WPS_TOKEN_FILE_SIZE, "Fs", WPS_REFRESH_STATIC, NULL },
259 { WPS_TOKEN_FILE_VBR, "Fv", WPS_REFRESH_STATIC, NULL },
260 { WPS_TOKEN_FILE_DIRECTORY, "D", WPS_REFRESH_STATIC,
261 parse_dir_level },
262
263 /* current metadata */
264 { WPS_TOKEN_METADATA_ARTIST, "ia", WPS_REFRESH_STATIC, NULL },
265 { WPS_TOKEN_METADATA_COMPOSER, "ic", WPS_REFRESH_STATIC, NULL },
266 { WPS_TOKEN_METADATA_ALBUM, "id", WPS_REFRESH_STATIC, NULL },
267 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "iA", WPS_REFRESH_STATIC, NULL },
268 { WPS_TOKEN_METADATA_GROUPING, "iG", WPS_REFRESH_STATIC, NULL },
269 { WPS_TOKEN_METADATA_GENRE, "ig", WPS_REFRESH_STATIC, NULL },
270 { WPS_TOKEN_METADATA_DISC_NUMBER, "ik", WPS_REFRESH_STATIC, NULL },
271 { WPS_TOKEN_METADATA_TRACK_NUMBER, "in", WPS_REFRESH_STATIC, NULL },
272 { WPS_TOKEN_METADATA_TRACK_TITLE, "it", WPS_REFRESH_STATIC, NULL },
273 { WPS_TOKEN_METADATA_VERSION, "iv", WPS_REFRESH_STATIC, NULL },
274 { WPS_TOKEN_METADATA_YEAR, "iy", WPS_REFRESH_STATIC, NULL },
275 { WPS_TOKEN_METADATA_COMMENT, "iC", WPS_REFRESH_STATIC, NULL },
276
277 /* next metadata */
278 { WPS_TOKEN_METADATA_ARTIST, "Ia", WPS_REFRESH_STATIC, NULL },
279 { WPS_TOKEN_METADATA_COMPOSER, "Ic", WPS_REFRESH_STATIC, NULL },
280 { WPS_TOKEN_METADATA_ALBUM, "Id", WPS_REFRESH_STATIC, NULL },
281 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "IA", WPS_REFRESH_STATIC, NULL },
282 { WPS_TOKEN_METADATA_GROUPING, "IG", WPS_REFRESH_STATIC, NULL },
283 { WPS_TOKEN_METADATA_GENRE, "Ig", WPS_REFRESH_STATIC, NULL },
284 { WPS_TOKEN_METADATA_DISC_NUMBER, "Ik", WPS_REFRESH_STATIC, NULL },
285 { WPS_TOKEN_METADATA_TRACK_NUMBER, "In", WPS_REFRESH_STATIC, NULL },
286 { WPS_TOKEN_METADATA_TRACK_TITLE, "It", WPS_REFRESH_STATIC, NULL },
287 { WPS_TOKEN_METADATA_VERSION, "Iv", WPS_REFRESH_STATIC, NULL },
288 { WPS_TOKEN_METADATA_YEAR, "Iy", WPS_REFRESH_STATIC, NULL },
289 { WPS_TOKEN_METADATA_COMMENT, "IC", WPS_REFRESH_STATIC, NULL },
290
291 #if (CONFIG_CODEC != MAS3507D)
292 { WPS_TOKEN_SOUND_PITCH, "Sp", WPS_REFRESH_DYNAMIC, NULL },
293 #endif
294 #if (CONFIG_CODEC == SWCODEC)
295 { WPS_TOKEN_SOUND_SPEED, "Ss", WPS_REFRESH_DYNAMIC, NULL },
296 #endif
297 #if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
298 { WPS_TOKEN_VLED_HDD, "lh", WPS_REFRESH_DYNAMIC, NULL },
299 #endif
300
301 { WPS_TOKEN_MAIN_HOLD, "mh", WPS_REFRESH_DYNAMIC, NULL },
302
303 #ifdef HAS_REMOTE_BUTTON_HOLD
304 { WPS_TOKEN_REMOTE_HOLD, "mr", WPS_REFRESH_DYNAMIC, NULL },
305 #else
306 { WPS_TOKEN_UNKNOWN, "mr", 0, NULL },
307 #endif
308
309 { WPS_TOKEN_REPEAT_MODE, "mm", WPS_REFRESH_DYNAMIC, NULL },
310 { WPS_TOKEN_PLAYBACK_STATUS, "mp", WPS_REFRESH_DYNAMIC, NULL },
311 { WPS_TOKEN_BUTTON_VOLUME, "mv", WPS_REFRESH_DYNAMIC,
312 parse_timeout },
313
314 #ifdef HAVE_LCD_BITMAP
315 { WPS_TOKEN_PEAKMETER, "pm", WPS_REFRESH_PEAK_METER, NULL },
316 #else
317 { WPS_TOKEN_PLAYER_PROGRESSBAR, "pf",
318 WPS_REFRESH_DYNAMIC | WPS_REFRESH_PLAYER_PROGRESS, parse_progressbar },
319 #endif
320 { WPS_TOKEN_PROGRESSBAR, "pb", WPS_REFRESH_PLAYER_PROGRESS,
321 parse_progressbar },
322
323 { WPS_TOKEN_VOLUME, "pv", WPS_REFRESH_DYNAMIC, NULL },
324
325 { WPS_TOKEN_TRACK_ELAPSED_PERCENT, "px", WPS_REFRESH_DYNAMIC, NULL },
326 { WPS_TOKEN_TRACK_TIME_ELAPSED, "pc", WPS_REFRESH_DYNAMIC, NULL },
327 { WPS_TOKEN_TRACK_TIME_REMAINING, "pr", WPS_REFRESH_DYNAMIC, NULL },
328 { WPS_TOKEN_TRACK_LENGTH, "pt", WPS_REFRESH_STATIC, NULL },
329
330 { WPS_TOKEN_PLAYLIST_POSITION, "pp", WPS_REFRESH_STATIC, NULL },
331 { WPS_TOKEN_PLAYLIST_ENTRIES, "pe", WPS_REFRESH_STATIC, NULL },
332 { WPS_TOKEN_PLAYLIST_NAME, "pn", WPS_REFRESH_STATIC, NULL },
333 { WPS_TOKEN_PLAYLIST_SHUFFLE, "ps", WPS_REFRESH_DYNAMIC, NULL },
334
335 #ifdef HAVE_TAGCACHE
336 { WPS_TOKEN_DATABASE_PLAYCOUNT, "rp", WPS_REFRESH_DYNAMIC, NULL },
337 { WPS_TOKEN_DATABASE_RATING, "rr", WPS_REFRESH_DYNAMIC, NULL },
338 { WPS_TOKEN_DATABASE_AUTOSCORE, "ra", WPS_REFRESH_DYNAMIC, NULL },
339 #endif
340
341 #if CONFIG_CODEC == SWCODEC
342 { WPS_TOKEN_REPLAYGAIN, "rg", WPS_REFRESH_STATIC, NULL },
343 { WPS_TOKEN_CROSSFADE, "xf", WPS_REFRESH_DYNAMIC, NULL },
344 #endif
345
346 { WPS_NO_TOKEN, "s", WPS_REFRESH_SCROLL, NULL },
347 { WPS_TOKEN_SUBLINE_TIMEOUT, "t", 0, parse_timeout },
348
349 #ifdef HAVE_LCD_BITMAP
350 { WPS_NO_TOKEN, "we", 0, parse_statusbar_enable },
351 { WPS_NO_TOKEN, "wd", 0, parse_statusbar_disable },
352
353 { WPS_NO_TOKEN, "xl", 0, parse_image_load },
354
355 { WPS_TOKEN_IMAGE_PRELOAD_DISPLAY, "xd", WPS_REFRESH_STATIC,
356 parse_image_display },
357
358 { WPS_TOKEN_IMAGE_DISPLAY, "x", 0, parse_image_load },
359 { WPS_NO_TOKEN, "Fl", 0, parse_font_load },
360 #ifdef HAVE_ALBUMART
361 { WPS_NO_TOKEN, "Cl", 0, parse_albumart_load },
362 { WPS_TOKEN_ALBUMART_DISPLAY, "C", WPS_REFRESH_STATIC, parse_albumart_display },
363 #endif
364
365 { WPS_VIEWPORT_ENABLE, "Vd", WPS_REFRESH_DYNAMIC,
366 parse_viewport_display },
367 #ifdef HAVE_LCD_BITMAP
368 { WPS_VIEWPORT_CUSTOMLIST, "Vp", WPS_REFRESH_STATIC, parse_playlistview },
369 { WPS_TOKEN_LIST_TITLE_TEXT, "Lt", WPS_REFRESH_DYNAMIC, NULL },
370 { WPS_TOKEN_LIST_TITLE_ICON, "Li", WPS_REFRESH_DYNAMIC, NULL },
371 #endif
372 { WPS_NO_TOKEN, "V", 0, parse_viewport },
373
374 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
375 { WPS_TOKEN_IMAGE_BACKDROP, "X", 0, parse_image_special },
376 #endif
377 #endif
378
379 { WPS_TOKEN_SETTING, "St", WPS_REFRESH_DYNAMIC,
380 parse_setting_and_lang },
381 { WPS_TOKEN_TRANSLATEDSTRING, "Sx", WPS_REFRESH_STATIC,
382 parse_setting_and_lang },
383 { WPS_TOKEN_LANG_IS_RTL , "Sr", WPS_REFRESH_STATIC, NULL },
384
385 { WPS_TOKEN_LASTTOUCH, "Tl", WPS_REFRESH_DYNAMIC, parse_timeout },
386 { WPS_TOKEN_CURRENT_SCREEN, "cs", WPS_REFRESH_DYNAMIC, NULL },
387 { WPS_NO_TOKEN, "T", 0, parse_touchregion },
388
389
390 /* Recording Tokens */
391 { WPS_TOKEN_HAVE_RECORDING, "Rp", WPS_REFRESH_STATIC, NULL },
392 #ifdef HAVE_RECORDING
393 { WPS_TOKEN_REC_FREQ, "Rf", WPS_REFRESH_DYNAMIC, NULL },
394 { WPS_TOKEN_REC_ENCODER, "Re", WPS_REFRESH_DYNAMIC, NULL },
395 { WPS_TOKEN_REC_BITRATE, "Rb", WPS_REFRESH_DYNAMIC, NULL },
396 { WPS_TOKEN_REC_MONO, "Rm", WPS_REFRESH_DYNAMIC, NULL },
397 #endif
398 { WPS_TOKEN_UNKNOWN, "", 0, NULL }
399 /* the array MUST end with an empty string (first char is \0) */
400 };
401
402
403 /* add a skin_token_list item to the list chain. ALWAYS appended because some of the
404 * chains require the order to be kept.
405 */
406 static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
407 {
408 if (*list == NULL)
409 *list = item;
410 else
411 {
412 struct skin_token_list *t = *list;
413 while (t->next)
414 t = t->next;
415 t->next = item;
416 }
417 }
418
419 /* traverse the image linked-list for an image */
420 #ifdef HAVE_LCD_BITMAP
421 struct gui_img* find_image(char label, struct wps_data *data)
422 {
423 struct skin_token_list *list = data->images;
424 while (list)
425 {
426 struct gui_img *img = (struct gui_img *)list->token->value.data;
427 if (img->label == label)
428 return img;
429 list = list->next;
430 }
431 return NULL;
432 }
433
434 #endif
435
436 /* traverse the viewport linked list for a viewport */
437 struct skin_viewport* find_viewport(char label, struct wps_data *data)
438 {
439 struct skin_token_list *list = data->viewports;
440 while (list)
441 {
442 struct skin_viewport *vp = (struct skin_viewport *)list->token->value.data;
443 if (vp->label == label)
444 return vp;
445 list = list->next;
446 }
447 return NULL;
448 }
449
450
451 /* create and init a new wpsll item.
452 * passing NULL to token will alloc a new one.
453 * You should only pass NULL for the token when the token type (table above)
454 * is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
455 */
456 static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
457 void* token_data)
458 {
459 struct skin_token_list *llitem = skin_buffer_alloc(sizeof(struct skin_token_list));
460 if (!token)
461 token = skin_buffer_alloc(sizeof(struct wps_token));
462 if (!llitem || !token)
463 return NULL;
464 llitem->next = NULL;
465 llitem->token = token;
466 if (token_data)
467 llitem->token->value.data = token_data;
468 return llitem;
469 }
470
471 /* Returns the number of chars that should be skipped to jump
472 immediately after the first eol, i.e. to the start of the next line */
473 static int skip_end_of_line(const char *wps_bufptr)
474 {
475 line_number++;
476 int skip = 0;
477 while(*(wps_bufptr + skip) != '\n')
478 skip++;
479 return ++skip;
480 }
481
482 /* Starts a new subline in the current line during parsing */
483 static bool skin_start_new_subline(struct skin_line *line, int curr_token)
484 {
485 struct skin_subline *subline = skin_buffer_alloc(sizeof(struct skin_subline));
486 if (!subline)
487 return false;
488
489 subline->first_token_idx = curr_token;
490 subline->next = NULL;
491
492 subline->line_type = 0;
493 subline->time_mult = 0;
494
495 line->curr_subline->last_token_idx = curr_token-1;
496 line->curr_subline->next = subline;
497 line->curr_subline = subline;
498 return true;
499 }
500
501 static bool skin_start_new_line(struct skin_viewport *vp, int curr_token)
502 {
503 struct skin_line *line = skin_buffer_alloc(sizeof(struct skin_line));
504 struct skin_subline *subline = NULL;
505 if (!line)
506 return false;
507
508 /* init the subline */
509 subline = &line->sublines;
510 subline->first_token_idx = curr_token;
511 subline->next = NULL;
512 subline->line_type = 0;
513 subline->time_mult = 0;
514
515 /* init the new line */
516 line->curr_subline = &line->sublines;
517 line->next = NULL;
518 line->subline_expire_time = 0;
519
520 /* connect to curr_line and vp pointers.
521 * 1) close the previous lines subline
522 * 2) connect to vp pointer
523 * 3) connect to curr_line global pointer
524 */
525 if (curr_line)
526 {
527 curr_line->curr_subline->last_token_idx = curr_token - 1;
528 curr_line->next = line;
529 curr_line->curr_subline = NULL;
530 }
531 curr_line = line;
532 if (!vp->lines)
533 vp->lines = line;
534 return true;
535 }
536
537 #ifdef HAVE_LCD_BITMAP
538
539 static int parse_statusbar_enable(const char *wps_bufptr,
540 struct wps_token *token,
541 struct wps_data *wps_data)
542 {
543 (void)token; /* Kill warnings */
544 wps_data->wps_sb_tag = true;
545 wps_data->show_sb_on_wps = true;
546 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
547 viewport_set_defaults(&default_vp->vp, curr_screen);
548 return skip_end_of_line(wps_bufptr);
549 }
550
551 static int parse_statusbar_disable(const char *wps_bufptr,
552 struct wps_token *token,
553 struct wps_data *wps_data)
554 {
555 (void)token; /* Kill warnings */
556 wps_data->wps_sb_tag = true;
557 wps_data->show_sb_on_wps = false;
558 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
559 viewport_set_fullscreen(&default_vp->vp, curr_screen);
560 return skip_end_of_line(wps_bufptr);
561 }
562
563 static int get_image_id(int c)
564 {
565 if(c >= 'a' && c <= 'z')
566 return c - 'a';
567 else if(c >= 'A' && c <= 'Z')
568 return c - 'A' + 26;
569 else
570 return -1;
571 }
572
573 char *get_image_filename(const char *start, const char* bmpdir,
574 char *buf, int buf_size)
575 {
576 const char *end = strchr(start, '|');
577 int bmpdirlen = strlen(bmpdir);
578
579 if ( !end || (end - start) >= (buf_size - bmpdirlen - 2) )
580 {
581 buf[0] = '\0';
582 return NULL;
583 }
584
585 strcpy(buf, bmpdir);
586 buf[bmpdirlen] = '/';
587 memcpy( &buf[bmpdirlen + 1], start, end - start);
588 buf[bmpdirlen + 1 + end - start] = 0;
589
590 return buf;
591 }
592
593 static int parse_image_display(const char *wps_bufptr,
594 struct wps_token *token,
595 struct wps_data *wps_data)
596 {
597 char label = wps_bufptr[0];
598 int subimage;
599 struct gui_img *img;;
600
601 /* sanity check */
602 img = find_image(label, wps_data);
603 if (!img)
604 {
605 token->value.i = label; /* so debug works */
606 return WPS_ERROR_INVALID_PARAM;
607 }
608
609 if ((subimage = get_image_id(wps_bufptr[1])) != -1)
610 {
611 if (subimage >= img->num_subimages)
612 return WPS_ERROR_INVALID_PARAM;
613
614 /* Store sub-image number to display in high bits */
615 token->value.i = label | (subimage << 8);
616 return 2; /* We have consumed 2 bytes */
617 } else {
618 token->value.i = label;
619 return 1; /* We have consumed 1 byte */
620 }
621 }
622
623 static int parse_image_load(const char *wps_bufptr,
624 struct wps_token *token,
625 struct wps_data *wps_data)
626 {
627 const char *ptr = wps_bufptr;
628 const char *pos;
629 const char* filename;
630 const char* id;
631 const char *newline;
632 int x,y;
633 struct gui_img *img;
634
635 /* format: %x|n|filename.bmp|x|y|
636 or %xl|n|filename.bmp|x|y|
637 or %xl|n|filename.bmp|x|y|num_subimages|
638 */
639
640 if (*ptr != '|')
641 return WPS_ERROR_INVALID_PARAM;
642
643 ptr++;
644
645 if (!(ptr = parse_list("ssdd", NULL, '|', ptr, &id, &filename, &x, &y)))
646 return WPS_ERROR_INVALID_PARAM;
647
648 /* Check there is a terminating | */
649 if (*ptr != '|')
650 return WPS_ERROR_INVALID_PARAM;
651
652 /* check the image number and load state */
653 if(find_image(*id, wps_data))
654 {
655 /* Invalid image ID */
656 return WPS_ERROR_INVALID_PARAM;
657 }
658 img = skin_buffer_alloc(sizeof(struct gui_img));
659 if (!img)
660 return WPS_ERROR_INVALID_PARAM;
661 /* save a pointer to the filename */
662 img->bm.data = (char*)filename;
663 img->label = *id;
664 img->x = x;
665 img->y = y;
666 img->num_subimages = 1;
667 img->always_display = false;
668
669 /* save current viewport */
670 img->vp = &curr_vp->vp;
671
672 if (token->type == WPS_TOKEN_IMAGE_DISPLAY)
673 {
674 img->always_display = true;
675 }
676 else
677 {
678 /* Parse the (optional) number of sub-images */
679 ptr++;
680 newline = strchr(ptr, '\n');
681 pos = strchr(ptr, '|');
682 if (pos && pos < newline)
683 img->num_subimages = atoi(ptr);
684
685 if (img->num_subimages <= 0)
686 return WPS_ERROR_INVALID_PARAM;
687 }
688 struct skin_token_list *item = new_skin_token_list_item(NULL, img);
689 if (!item)
690 return WPS_ERROR_INVALID_PARAM;
691 add_to_ll_chain(&wps_data->images, item);
692
693 /* Skip the rest of the line */
694 return skip_end_of_line(wps_bufptr);
695 }
696 struct skin_font {
697 int id; /* the id from font_load */
698 char *name; /* filename without path and extension */
699 };
700 static struct skin_font skinfonts[MAXUSERFONTS];
701 static int parse_font_load(const char *wps_bufptr,
702 struct wps_token *token, struct wps_data *wps_data)
703 {
704 (void)wps_data; (void)token;
705 const char *ptr = wps_bufptr;
706 int id;
707 char *filename;
708
709 if (*ptr != '|')
710 return WPS_ERROR_INVALID_PARAM;
711
712 ptr++;
713
714 if (!(ptr = parse_list("ds", NULL, '|', ptr, &id, &filename)))
715 return WPS_ERROR_INVALID_PARAM;
716
717 /* Check there is a terminating | */
718 if (*ptr != '|')
719 return WPS_ERROR_INVALID_PARAM;
720
721 if (id <= FONT_UI || id >= MAXFONTS-1)
722 return WPS_ERROR_INVALID_PARAM;
723 #if defined(DEBUG) || defined(SIMULATOR)
724 if (skinfonts[id-FONT_FIRSTUSERFONT].name != NULL)
725 {
726 DEBUGF("font id %d already being used\n", id);
727 }
728 #endif
729 skinfonts[id-FONT_FIRSTUSERFONT].id = -1;
730 skinfonts[id-FONT_FIRSTUSERFONT].name = filename;
731
732 return skip_end_of_line(wps_bufptr);
733 }
734
735
736 static int parse_viewport_display(const char *wps_bufptr,
737 struct wps_token *token,
738 struct wps_data *wps_data)
739 {
740 (void)wps_data;
741 char letter = wps_bufptr[0];
742
743 if (letter < 'a' || letter > 'z')
744 {
745 /* invalid viewport tag */
746 return WPS_ERROR_INVALID_PARAM;
747 }
748 token->value.i = letter;
749 return 1;
750 }
751
752 #ifdef HAVE_LCD_BITMAP
753 static int parse_playlistview_text(struct playlistviewer *viewer,
754 enum info_line_type line, char* text)
755 {
756 int cur_string = 0;
757 const struct wps_tag *tag;
758 int taglen = 0;
759 const char *start = text;
760 if (*text != '|')
761 return -1;
762 text++;
763 viewer->lines[line].count = 0;
764 viewer->lines[line].scroll = false;
765 while (*text != '|')
766 {
767 if (*text == '%') /* it is a token of some type */
768 {
769 text++;
770 taglen = 0;
771 switch(*text)
772 {
773 case '%':
774 case '<':
775 case '|':
776 case '>':
777 case ';':
778 case '#':
779 /* escaped characters */
780 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_CHARACTER;
781 viewer->lines[line].strings[cur_string][0] = *text;
782 viewer->lines[line].strings[cur_string++][1] = '\0';
783 break;
784 default:
785 for (tag = all_tags;
786 strncmp(text, tag->name, strlen(tag->name)) != 0;
787 tag++) ;
788 /* %s isnt stored as a tag so manually check for it */
789 if (tag->type == WPS_NO_TOKEN)
790 {
791 if (!strncmp(tag->name, "s", 1))
792 {
793 viewer->lines[line].scroll = true;
794 taglen = 1;
795 }
796 }
797 else if (tag->type == WPS_TOKEN_UNKNOWN)
798 {
799 int i = 0;
800 /* just copy the string */
801 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
802 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
803 {
804 viewer->lines[line].strings[cur_string][i] = text[i];
805 i++;
806 }
807 viewer->lines[line].strings[cur_string][i] = '\0';
808 cur_string++;
809 taglen = i;
810 }
811 else
812 {
813 if (tag->parse_func)
814 {
815 /* unsupported tag, reject */
816 return -1;
817 }
818 taglen = strlen(tag->name);
819 viewer->lines[line].tokens[viewer->lines[line].count++] = tag->type;
820 }
821 text += taglen;
822 }
823 }
824 else
825 {
826 /* regular string */
827 int i = 0;
828 /* just copy the string */
829 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
830 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
831 {
832 viewer->lines[line].strings[cur_string][i] = text[i];
833 i++;
834 }
835 viewer->lines[line].strings[cur_string][i] = '\0';
836 cur_string++;
837 text += i;
838 }
839 }
840 return text - start;
841 }
842
843
844 static int parse_playlistview(const char *wps_bufptr,
845 struct wps_token *token, struct wps_data *wps_data)
846 {
847 (void)wps_data;
848 /* %Vp|<use icons>|<start offset>|info line text|no info text| */
849 struct playlistviewer *viewer = skin_buffer_alloc(sizeof(struct playlistviewer));
850 char *ptr = strchr(wps_bufptr, '|');
851 int length;
852 if (!viewer || !ptr)
853 return WPS_ERROR_INVALID_PARAM;
854 viewer->vp = &curr_vp->vp;
855 viewer->show_icons = true;
856 viewer->start_offset = atoi(ptr+1);
857 token->value.data = (void*)viewer;
858 ptr = strchr(ptr+1, '|');
859 length = parse_playlistview_text(viewer, TRACK_HAS_INFO, ptr);
860 if (length < 0)
861 return WPS_ERROR_INVALID_PARAM;
862 length = parse_playlistview_text(viewer, TRACK_HAS_NO_INFO, ptr+length);
863 if (length < 0)
864 return WPS_ERROR_INVALID_PARAM;
865
866 return skip_end_of_line(wps_bufptr);
867 }
868 #endif
869
870 static int parse_viewport(const char *wps_bufptr,
871 struct wps_token *token,
872 struct wps_data *wps_data)
873 {
874 (void)token; /* Kill warnings */
875 const char *ptr = wps_bufptr;
876
877 struct skin_viewport *skin_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
878
879 /* check for the optional letter to signify its a hideable viewport */
880 /* %Vl|<label>|<rest of tags>| */
881 skin_vp->hidden_flags = 0;
882 skin_vp->label = VP_NO_LABEL;
883 skin_vp->pb = NULL;
884 skin_vp->lines = NULL;
885 if (curr_line)
886 {
887 curr_line->curr_subline->last_token_idx = wps_data->num_tokens
888 - (wps_data->num_tokens > 0 ? 1 : 0);
889 }
890
891 curr_line = NULL;
892 if (!skin_start_new_line(skin_vp, wps_data->num_tokens))
893 return WPS_ERROR_INVALID_PARAM;
894
895
896 if (*ptr == 'i')
897 {
898 skin_vp->label = VP_INFO_LABEL;
899 skin_vp->hidden_flags = VP_NEVER_VISIBLE;
900 ++ptr;
901 }
902 else if (*ptr == 'l')
903 {
904 if (*(ptr+1) == '|')
905 {
906 char label = *(ptr+2);
907 if (label >= 'a' && label <= 'z')
908 {
909 skin_vp->hidden_flags = VP_DRAW_HIDEABLE;
910 skin_vp->label = label;
911 }
912 else
913 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
914 ptr += 3;
915 }
916 }
917 if (*ptr != '|')
918 return WPS_ERROR_INVALID_PARAM;
919
920 ptr++;
921 struct viewport *vp = &skin_vp->vp;
922 /* format: %V|x|y|width|height|font|fg_pattern|bg_pattern| */
923 if (!(ptr = viewport_parse_viewport(vp, curr_screen, ptr, '|')))
924 return WPS_ERROR_INVALID_PARAM;
925
926 /* Check for trailing | */
927 if (*ptr != '|')
928 return WPS_ERROR_INVALID_PARAM;
929
930 if (follow_lang_direction && lang_is_rtl())
931 {
932 vp->flags |= VP_FLAG_ALIGN_RIGHT;
933 vp->x = screens[curr_screen].lcdwidth - vp->width - vp->x;
934 }
935 else
936 vp->flags &= ~VP_FLAG_ALIGN_RIGHT; /* ignore right-to-left languages */
937
938 /* increment because font==2 and FONT_UI_REMOTE is ambiguous */
939 if (vp->font > FONT_UI)
940 vp->font++;
941 #ifdef HAVE_REMOTE_LCD
942 if (vp->font == FONT_UI && curr_screen == SCREEN_REMOTE)
943 vp->font = FONT_UI_REMOTE;
944 #endif
945
946 struct skin_token_list *list = new_skin_token_list_item(NULL, skin_vp);
947 if (!list)
948 return WPS_ERROR_INVALID_PARAM;
949 add_to_ll_chain(&wps_data->viewports, list);
950 curr_vp = skin_vp;
951 /* Skip the rest of the line */
952 return skip_end_of_line(wps_bufptr);
953 }
954
955 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
956 static int parse_image_special(const char *wps_bufptr,
957 struct wps_token *token,
958 struct wps_data *wps_data)
959 {
960 (void)wps_data; /* kill warning */
961 (void)token;
962 const char *pos = NULL;
963 const char *newline;
964 bool error = false;
965
966 pos = strchr(wps_bufptr + 1, '|');
967 newline = strchr(wps_bufptr, '\n');
968
969 error = (pos > newline);
970
971
972 #if LCD_DEPTH > 1
973 if (token->type == WPS_TOKEN_IMAGE_BACKDROP)
974 {
975 /* format: %X|filename.bmp| or %Xd */
976 if (*(wps_bufptr) == 'd')
977 {
978 wps_data->backdrop = NULL;
979 return skip_end_of_line(wps_bufptr);
980 }
981 else if (!error)
982 wps_data->backdrop = (char*)wps_bufptr + 1;
983 }
984 #endif
985 if (error)
986 return WPS_ERROR_INVALID_PARAM;
987 /* Skip the rest of the line */
988 return skip_end_of_line(wps_bufptr);
989 }
990 #endif
991
992 #endif /* HAVE_LCD_BITMAP */
993
994 static int parse_setting_and_lang(const char *wps_bufptr,
995 struct wps_token *token,
996 struct wps_data *wps_data)
997 {
998 /* NOTE: both the string validations that happen in here will
999 * automatically PASS on checkwps because its too hard to get
1000 * settings_list.c and englinsh.lang built for it.
1001 * If that ever changes remove the #ifndef __PCTOOL__'s here
1002 */
1003 (void)wps_data;
1004 const char *ptr = wps_bufptr;
1005 const char *end;
1006 int i = 0;
1007 char temp[64];
1008
1009 /* Find the setting's cfg_name */
1010 if (*ptr != '|')
1011 return WPS_ERROR_INVALID_PARAM;
1012 ptr++;
1013 end = strchr(ptr,'|');
1014 if (!end)
1015 return WPS_ERROR_INVALID_PARAM;
1016 strlcpy(temp, ptr,end-ptr+1);
1017
1018 if (token->type == WPS_TOKEN_TRANSLATEDSTRING)
1019 {
1020 #ifndef __PCTOOL__
1021 i = lang_english_to_id(temp);
1022 if (i < 0)
1023 return WPS_ERROR_INVALID_PARAM;
1024 #endif
1025 }
1026 else
1027 {
1028 /* Find the setting */
1029 for (i=0; i<nb_settings; i++)
1030 if (settings[i].cfg_name &&
1031 !strncmp(settings[i].cfg_name,ptr,end-ptr) &&
1032 /* prevent matches on cfg_name prefixes */
1033 strlen(settings[i].cfg_name)==(size_t)(end-ptr))
1034 break;
1035 #ifndef __PCTOOL__
1036 if (i == nb_settings)
1037 return WPS_ERROR_INVALID_PARAM;
1038 #endif
1039 }
1040 /* Store the setting number */
1041 token->value.i = i;
1042
1043 /* Skip the rest of the line */
1044 return end-ptr+2;
1045 }
1046
1047
1048 static int parse_dir_level(const char *wps_bufptr,
1049 struct wps_token *token,
1050 struct wps_data *wps_data)
1051 {
1052 char val[] = { *wps_bufptr, '\0' };
1053 token->value.i = atoi(val);
1054 (void)wps_data; /* Kill warnings */
1055 return 1;
1056 }
1057
1058 static int parse_timeout(const char *wps_bufptr,
1059 struct wps_token *token,
1060 struct wps_data *wps_data)
1061 {
1062 int skip = 0;
1063 int val = 0;
1064 bool have_point = false;
1065 bool have_tenth = false;
1066
1067 (void)wps_data; /* Kill the warning */
1068
1069 while ( isdigit(*wps_bufptr) || *wps_bufptr == '.' )
1070 {
1071 if (*wps_bufptr != '.')
1072 {
1073 val *= 10;
1074 val += *wps_bufptr - '0';
1075 if (have_point)
1076 {
1077 have_tenth = true;
1078 wps_bufptr++;
1079 skip++;
1080 break;
1081 }
1082 }
1083 else
1084 have_point = true;
1085
1086 wps_bufptr++;
1087 skip++;
1088 }
1089
1090 if (have_tenth == false)
1091 val *= 10;
1092
1093 if (val == 0 && skip == 0)
1094 {
1095 /* decide what to do if no value was specified */
1096 switch (token->type)
1097 {
1098 case WPS_TOKEN_SUBLINE_TIMEOUT:
1099 return -1;
1100 case WPS_TOKEN_BUTTON_VOLUME:
1101 val = 10;
1102 break;
1103 }
1104 }
1105 token->value.i = val;
1106
1107 return skip;
1108 }
1109
1110 static int parse_progressbar(const char *wps_bufptr,
1111 struct wps_token *token,
1112 struct wps_data *wps_data)
1113 {
1114 /* %pb or %pb|filename|x|y|width|height|
1115 using - for any of the params uses "sane" values */
1116 #ifdef HAVE_LCD_BITMAP
1117 enum {
1118 PB_FILENAME = 0,
1119 PB_X,
1120 PB_Y,
1121 PB_WIDTH,
1122 PB_HEIGHT
1123 };
1124 const char *filename;
1125 int x, y, height, width;
1126 uint32_t set = 0;
1127 const char *ptr = wps_bufptr;
1128 struct progressbar *pb = skin_buffer_alloc(sizeof(struct progressbar));
1129 struct skin_token_list *item = new_skin_token_list_item(token, pb);
1130
1131 if (!pb || !item)
1132 return WPS_ERROR_INVALID_PARAM;
1133
1134 struct viewport *vp = &curr_vp->vp;
1135 #ifndef __PCTOOL__
1136 int font_height = font_get(vp->font)->height;
1137 #else
1138 int font_height = 8;
1139 #endif
1140 /* we need to know what line number (viewport relative) this pb is,
1141 * so count them... */
1142 int line_num = -1;
1143 struct skin_line *line = curr_vp->lines;
1144 while (line)
1145 {
1146 line_num++;
1147 line = line->next;
1148 }
1149 pb->have_bitmap_pb = false;
1150 pb->bm.data = NULL; /* no bitmap specified */
1151 pb->follow_lang_direction = follow_lang_direction > 0;
1152
1153 if (*wps_bufptr != '|') /* regular old style */
1154 {
1155 pb->x = 0;
1156 pb->width = vp->width;
1157 pb->height = SYSFONT_HEIGHT-2;
1158 pb->y = -line_num - 1; /* Will be computed during the rendering */
1159
1160 curr_vp->pb = pb;
1161 add_to_ll_chain(&wps_data->progressbars, item);
1162 return 0;
1163 }
1164 ptr = wps_bufptr + 1;
1165
1166 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
1167 &x, &y, &width, &height)))
1168 return WPS_ERROR_INVALID_PARAM;
1169
1170 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
1171 pb->bm.data = (char*)filename;
1172
1173 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
1174 pb->x = x;
1175 else
1176 pb->x = vp->x;
1177
1178 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
1179 {
1180 /* A zero width causes a divide-by-zero error later, so reject it */
1181 if (width == 0)
1182 return WPS_ERROR_INVALID_PARAM;
1183
1184 pb->width = width;
1185 }
1186 else
1187 pb->width = vp->width - pb->x;
1188
1189 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
1190 {
1191 /* A zero height makes no sense - reject it */
1192 if (height == 0)
1193 return WPS_ERROR_INVALID_PARAM;
1194
1195 pb->height = height;
1196 }
1197 else
1198 pb->height = font_height;
1199
1200 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
1201 pb->y = y;
1202 else
1203 pb->y = -line_num - 1; /* Will be computed during the rendering */
1204
1205 curr_vp->pb = pb;
1206 add_to_ll_chain(&wps_data->progressbars, item);
1207
1208 /* Skip the rest of the line */
1209 return skip_end_of_line(wps_bufptr)-1;
1210 #else
1211 (void)token;
1212
1213 if (*(wps_bufptr-1) == 'f')
1214 wps_data->full_line_progressbar = true;
1215 else
1216 wps_data->full_line_progressbar = false;
1217
1218 return 0;
1219
1220 #endif
1221 }
1222
1223 #ifdef HAVE_ALBUMART
1224 static int parse_int(const char *newline, const char **_pos, int *num)
1225 {
1226 *_pos = parse_list("d", NULL, '|', *_pos, num);
1227
1228 return (!*_pos || *_pos > newline || **_pos != '|');
1229 }
1230
1231 static int parse_albumart_load(const char *wps_bufptr,
1232 struct wps_token *token,
1233 struct wps_data *wps_data)
1234 {
1235 const char *_pos, *newline;
1236 bool parsing;
1237 struct dim dimensions;
1238 int albumart_slot;
1239 bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
1240 struct skin_albumart *aa = skin_buffer_alloc(sizeof(struct skin_albumart));
1241 (void)token; /* silence warning */
1242 if (!aa)
1243 return skip_end_of_line(wps_bufptr);
1244
1245 /* reset albumart info in wps */
1246 aa->width = -1;
1247 aa->height = -1;
1248 aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1249 aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1250 aa->vp = &curr_vp->vp;
1251
1252 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
1253
1254 newline = strchr(wps_bufptr, '\n');
1255
1256 _pos = wps_bufptr;
1257
1258 if (*_pos != '|')
1259 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
1260
1261 ++_pos;
1262
1263 /* initial validation and parsing of x component */
1264 if (parse_int(newline, &_pos, &aa->x))
1265 return WPS_ERROR_INVALID_PARAM;
1266
1267 ++_pos;
1268
1269 /* initial validation and parsing of y component */
1270 if (parse_int(newline, &_pos, &aa->y))
1271 return WPS_ERROR_INVALID_PARAM;
1272
1273 /* parsing width field */
1274 parsing = true;
1275 while (parsing)
1276 {
1277 /* apply each modifier in turn */
1278 ++_pos;
1279 switch (*_pos)
1280 {
1281 case 'l':
1282 case 'L':
1283 case '+':
1284 if (swap_for_rtl)
1285 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1286 else
1287 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1288 break;
1289 case 'c':
1290 case 'C':
1291 aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
1292 break;
1293 case 'r':
1294 case 'R':
1295 case '-':
1296 if (swap_for_rtl)
1297 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1298 else
1299 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1300 break;
1301 case 'd':
1302 case 'D':
1303 case 'i':
1304 case 'I':
1305 case 's':
1306 case 'S':
1307 /* simply ignored */
1308 break;
1309 default:
1310 parsing = false;
1311 break;
1312 }
1313 }
1314 /* extract max width data */
1315 if (*_pos != '|')
1316 {
1317 if (parse_int(newline, &_pos, &aa->width))
1318 return WPS_ERROR_INVALID_PARAM;
1319 }
1320
1321 /* parsing height field */
1322 parsing = true;
1323 while (parsing)
1324 {
1325 /* apply each modifier in turn */
1326 ++_pos;
1327 switch (*_pos)
1328 {
1329 case 't':
1330 case 'T':
1331 case '-':
1332 aa->yalign = WPS_ALBUMART_ALIGN_TOP;
1333 break;
1334 case 'c':
1335 case 'C':
1336 aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
1337 break;
1338 case 'b':
1339 case 'B':
1340 case '+':
1341 aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1342 break;
1343 case 'd':
1344 case 'D':
1345 case 'i':
1346 case 'I':
1347 case 's':
1348 case 'S':
1349 /* simply ignored */
1350 break;
1351 default:
1352 parsing = false;
1353 break;
1354 }
1355 }
1356 /* extract max height data */
1357 if (*_pos != '|')
1358 {
1359 if (parse_int(newline, &_pos, &aa->height))
1360 return WPS_ERROR_INVALID_PARAM;
1361 }
1362
1363 /* if we got here, we parsed everything ok .. ! */
1364 if (aa->width < 0)
1365 aa->width = 0;
1366 else if (aa->width > LCD_WIDTH)
1367 aa->width = LCD_WIDTH;
1368
1369 if (aa->height < 0)
1370 aa->height = 0;
1371 else if (aa->height > LCD_HEIGHT)
1372 aa->height = LCD_HEIGHT;
1373
1374 if (swap_for_rtl)
1375 aa->x = LCD_WIDTH - (aa->x + aa->width);
1376
1377 aa->state = WPS_ALBUMART_LOAD;
1378 aa->draw = false;
1379 wps_data->albumart = aa;
1380
1381 dimensions.width = aa->width;
1382 dimensions.height = aa->height;
1383
1384 albumart_slot = playback_claim_aa_slot(&dimensions);
1385
1386 if (0 <= albumart_slot)
1387 wps_data->playback_aa_slot = albumart_slot;
1388
1389 /* Skip the rest of the line */
1390 return skip_end_of_line(wps_bufptr);
1391 }
1392
1393 static int parse_albumart_display(const char *wps_bufptr,
1394 struct wps_token *token,
1395 struct wps_data *wps_data)
1396 {
1397 (void)wps_bufptr;
1398 struct wps_token *prev = token-1;
1399 if ((wps_data->num_tokens >= 1) && (prev->type == WPS_TOKEN_CONDITIONAL))
1400 {
1401 token->type = WPS_TOKEN_ALBUMART_FOUND;
1402 }
1403 else if (wps_data->albumart)
1404 {
1405 wps_data->albumart->vp = &curr_vp->vp;
1406 }
1407 #if 0
1408 /* the old code did this so keep it here for now...
1409 * this is to allow the posibility to showing the next tracks AA! */
1410 if (wps_bufptr+1 == 'n')
1411 return 1;
1412 #endif
1413 return 0;
1414 };
1415 #endif /* HAVE_ALBUMART */
1416
1417 #ifdef HAVE_TOUCHSCREEN
1418
1419 struct touchaction {const char* s; int action;};
1420 static const struct touchaction touchactions[] = {
1421 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1422 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1423 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1424 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1425 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1426 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1427 {"playlist", ACTION_WPS_VIEW_PLAYLIST }, {"pitch", ACTION_WPS_PITCHSCREEN},
1428 {"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
1429 };
1430 static int parse_touchregion(const char *wps_bufptr,
1431 struct wps_token *token, struct wps_data *wps_data)
1432 {
1433 (void)token;
1434 unsigned i, imax;
1435 struct touchregion *region = NULL;
1436 const char *ptr = wps_bufptr;
1437 const char *action;
1438 const char pb_string[] = "progressbar";
1439 const char vol_string[] = "volume";
1440 int x,y,w,h;
1441
1442 /* format: %T|x|y|width|height|action|
1443 * if action starts with & the area must be held to happen
1444 * action is one of:
1445 * play - play/pause playback
1446 * stop - stop playback, exit the wps
1447 * prev - prev track
1448 * next - next track
1449 * ffwd - seek forward
1450 * rwd - seek backwards
1451 * menu - go back to the main menu
1452 * browse - go back to the file/db browser
1453 * shuffle - toggle shuffle mode
1454 * repmode - cycle the repeat mode
1455 * quickscreen - go into the quickscreen
1456 * contextmenu - open the context menu
1457 * playlist - go into the playlist
1458 * pitch - go into the pitchscreen
1459 * volup - increase volume by one step
1460 * voldown - decrease volume by one step
1461 */
1462
1463
1464 if (*ptr != '|')
1465 return WPS_ERROR_INVALID_PARAM;
1466 ptr++;
1467
1468 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1469 return WPS_ERROR_INVALID_PARAM;
1470
1471 /* Check there is a terminating | */
1472 if (*ptr != '|')
1473 return WPS_ERROR_INVALID_PARAM;
1474
1475 region = skin_buffer_alloc(sizeof(struct touchregion));
1476 if (!region)
1477 return WPS_ERROR_INVALID_PARAM;
1478
1479 /* should probably do some bounds checking here with the viewport... but later */
1480 region->action = ACTION_NONE;
1481 region->x = x;
1482 region->y = y;
1483 region->width = w;
1484 region->height = h;
1485 region->wvp = curr_vp;
1486 region->armed = false;
1487
1488 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1489 && *(action + sizeof(pb_string)-1) == '|')
1490 region->type = WPS_TOUCHREGION_SCROLLBAR;
1491 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1492 && *(action + sizeof(vol_string)-1) == '|')
1493 region->type = WPS_TOUCHREGION_VOLUME;
1494 else
1495 {
1496 region->type = WPS_TOUCHREGION_ACTION;
1497
1498 if (*action == '&')
1499 {
1500 action++;
1501 region->repeat = true;
1502 }
1503 else
1504 region->repeat = false;
1505
1506 i = 0;
1507 imax = ARRAYLEN(touchactions);
1508 while ((region->action == ACTION_NONE) &&
1509 (i < imax))
1510 {
1511 /* try to match with one of our touchregion screens */
1512 int len = strlen(touchactions[i].s);
1513 if (!strncmp(touchactions[i].s, action, len)
1514 && *(action+len) == '|')
1515 region->action = touchactions[i].action;
1516 i++;
1517 }
1518 if (region->action == ACTION_NONE)
1519 return WPS_ERROR_INVALID_PARAM;
1520 }
1521 struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1522 if (!item)
1523 return WPS_ERROR_INVALID_PARAM;
1524 add_to_ll_chain(&wps_data->touchregions, item);
1525 return skip_end_of_line(wps_bufptr);
1526 }
1527 #endif
1528
1529 /* Parse a generic token from the given string. Return the length read */
1530 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1531 {
1532 int skip = 0, taglen = 0, ret;
1533 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1534 const struct wps_tag *tag;
1535 memset(token, 0, sizeof(*token));
1536
1537 switch(*wps_bufptr)
1538 {
1539
1540 case '%':
1541 case '<':
1542 case '|':
1543 case '>':
1544 case ';':
1545 case '#':
1546 /* escaped characters */
1547 token->type = WPS_TOKEN_CHARACTER;
1548 token->value.c = *wps_bufptr;
1549 taglen = 1;
1550 wps_data->num_tokens++;
1551 break;
1552
1553 case '?':
1554 /* conditional tag */
1555 token->type = WPS_TOKEN_CONDITIONAL;
1556 level++;
1557 condindex[level] = wps_data->num_tokens;
1558 numoptions[level] = 1;
1559 wps_data->num_tokens++;
1560 ret = parse_token(wps_bufptr + 1, wps_data);
1561 if (ret < 0) return ret;
1562 taglen = 1 + ret;
1563 break;
1564
1565 default:
1566 /* find what tag we have */
1567 for (tag = all_tags;
1568 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1569 tag++) ;
1570
1571 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1572 token->type = tag->type;
1573 curr_line->curr_subline->line_type |= tag->refresh_type;
1574
1575 /* if the tag has a special parsing function, we call it */
1576 if (tag->parse_func)
1577 {
1578 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1579 if (ret < 0) return ret;
1580 skip += ret;
1581 }
1582
1583 /* Some tags we don't want to save as tokens */
1584 if (tag->type == WPS_NO_TOKEN)
1585 break;
1586
1587 /* tags that start with 'F', 'I' or 'D' are for the next file */
1588 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1589 *(tag->name) == 'D')
1590 token->next = true;
1591
1592 wps_data->num_tokens++;
1593 break;
1594 }
1595
1596 skip += taglen;
1597 return skip;
1598 }
1599
1600
1601 /*
1602 * Returns the number of bytes to skip the buf pointer to access the false
1603 * branch in a _binary_ conditional
1604 *
1605 * That is:
1606 * - before the '|' if we have a false branch, (%?<true|false> -> %?<|false>)
1607 * - or before the closing '>' if there's no false branch (%?<true> -> %?<>)
1608 *
1609 * depending on the features of a target it's not called from check_feature_tag,
1610 * hence the __attribute__ or it issues compiler warnings
1611 *
1612 **/
1613
1614 static int find_false_branch(const char *wps_bufptr) __attribute__((unused));
1615 static int find_false_branch(const char *wps_bufptr)
1616 {
1617 const char *buf = wps_bufptr;
1618 /* wps_bufptr is after the opening '<', hence level = 1*/
1619 int level = 1;
1620 char ch;
1621 do
1622 {
1623 ch = *buf;
1624 if (ch == '%')
1625 { /* filter out the characters we check later if they're printed
1626 * as literals */
1627 ch = *(++buf);
1628 if (ch == '<' || ch == '>' || ch == '|')
1629 continue;
1630 /* else: some tags/printed literals we skip over */
1631 }
1632 else if (ch == '<') /* nested conditional */
1633 level++;
1634 else if (ch == '>')
1635 { /* closed our or a nested conditional,
1636 * do NOT skip over the '>' so that wps_parse() sees it for closing
1637 * if it is the closing one for our conditional */
1638 level--;
1639 }
1640 else if (ch == '|' && level == 1)
1641 { /* we found our separator, point before and get out */
1642 break;
1643 }
1644 /* if level is 0, we don't have a false branch */
1645 } while (level > 0 && *(++buf));
1646
1647 return buf - wps_bufptr;
1648 }
1649
1650 /*
1651 * returns the number of bytes to get the appropriate branch of a binary
1652 * conditional
1653 *
1654 * That means:
1655 * - if a feature is available, it returns 0 to not skip anything
1656 * - if the feature is not available, skip to the false branch and don't
1657 * parse the true branch at all
1658 *
1659 * */
1660 static int check_feature_tag(const char *wps_bufptr, const int type)
1661 {
1662 (void)wps_bufptr;
1663 switch (type)
1664 {
1665 case WPS_TOKEN_RTC_PRESENT:
1666 #if CONFIG_RTC
1667 return 0;
1668 #else
1669 return find_false_branch(wps_bufptr);
1670 #endif
1671 case WPS_TOKEN_HAVE_RECORDING:
1672 #ifdef HAVE_RECORDING
1673 return 0;
1674 #else
1675 return find_false_branch(wps_bufptr);
1676 #endif
1677 default: /* not a tag we care about, just don't skip */
1678 return 0;
1679 }
1680 }
1681
1682
1683 /* Parses the WPS.
1684 data is the pointer to the structure where the parsed WPS should be stored.
1685 It is initialised.
1686 wps_bufptr points to the string containing the WPS tags */
1687 #define TOKEN_BLOCK_SIZE 128
1688 static bool wps_parse(struct wps_data *data, const char *wps_bufptr, bool debug)
1689 {
1690 if (!data || !wps_bufptr || !*wps_bufptr)
1691 return false;
1692 enum wps_parse_error fail = PARSE_OK;
1693 int ret;
1694 int max_tokens = TOKEN_BLOCK_SIZE;
1695 size_t buf_free = 0;
1696 line_number = 0;
1697 level = -1;
1698
1699 /* allocate enough RAM for a reasonable skin, grow as needed.
1700 * Free any used RAM before loading the images to be 100% RAM efficient */
1701 data->tokens = (struct wps_token *)skin_buffer_grab(&buf_free);
1702 if (sizeof(struct wps_token)*max_tokens >= buf_free)
1703 return false;
1704 skin_buffer_increment(max_tokens * sizeof(struct wps_token), false);
1705 data->num_tokens = 0;
1706
1707 #if LCD_DEPTH > 1
1708 /* Backdrop defaults to the setting unless %X is used, so set it now */
1709 if (global_settings.backdrop_file[0])
1710 {
1711 data->backdrop = "-";
1712 }
1713 #endif
1714
1715 while (*wps_bufptr && !fail)
1716 {
1717 if (follow_lang_direction)
1718 follow_lang_direction--;
1719 /* first make sure there is enough room for tokens */
1720 if (max_tokens <= data->num_tokens + 5)
1721 {
1722 int extra_tokens = TOKEN_BLOCK_SIZE;
1723 size_t needed = extra_tokens * sizeof(struct wps_token);
1724 /* do some smarts here to grow the array a bit */
1725 if (skin_buffer_freespace() < needed)
1726 {
1727 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1728 break;
1729 }
1730 skin_buffer_increment(needed, false);
1731 max_tokens += extra_tokens;
1732 }
1733
1734 switch(*wps_bufptr++)
1735 {
1736
1737 /* Regular tag */
1738 case '%':
1739 if ((ret = parse_token(wps_bufptr, data)) < 0)
1740 {
1741 fail = PARSE_FAIL_COND_INVALID_PARAM;
1742 break;
1743 }
1744 else if (level >= WPS_MAX_COND_LEVEL - 1)
1745 {
1746 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1747 break;
1748 }
1749 wps_bufptr += ret;
1750 break;
1751
1752 /* Alternating sublines separator */
1753 case ';':
1754 if (level >= 0) /* there are unclosed conditionals */
1755 {
1756 fail = PARSE_FAIL_UNCLOSED_COND;
1757 break;
1758 }
1759
1760 if (!skin_start_new_subline(curr_line, data->num_tokens))
1761 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1762
1763 break;
1764
1765 /* Conditional list start */
1766 case '<':
1767 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1768 {
1769 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1770 break;
1771 }
1772 wps_bufptr += check_feature_tag(wps_bufptr,
1773 data->tokens[data->num_tokens-1].type);
1774 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1775 lastcond[level] = data->num_tokens++;
1776 break;
1777
1778 /* Conditional list end */
1779 case '>':
1780 if (level < 0) /* not in a conditional, invalid char */
1781 {
1782 fail = PARSE_FAIL_INVALID_CHAR;
1783 break;
1784 }
1785
1786 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1787 if (lastcond[level])
1788 data->tokens[lastcond[level]].value.i = data->num_tokens;
1789 else
1790 {
1791 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1792 break;
1793 }
1794
1795 lastcond[level] = 0;
1796 data->num_tokens++;
1797 data->tokens[condindex[level]].value.i = numoptions[level];
1798 level--;
1799 break;
1800
1801 /* Conditional list option */
1802 case '|':
1803 if (level < 0) /* not in a conditional, invalid char */
1804 {
1805 fail = PARSE_FAIL_INVALID_CHAR;
1806 break;
1807 }
1808
1809 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1810 if (lastcond[level])
1811 data->tokens[lastcond[level]].value.i = data->num_tokens;
1812 else
1813 {
1814 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1815 break;
1816 }
1817
1818 lastcond[level] = data->num_tokens;
1819 numoptions[level]++;
1820 data->num_tokens++;
1821 break;
1822
1823 /* Comment */
1824 case '#':
1825 if (level >= 0) /* there are unclosed conditionals */
1826 {
1827 fail = PARSE_FAIL_UNCLOSED_COND;
1828 break;
1829 }
1830
1831 wps_bufptr += skip_end_of_line(wps_bufptr);
1832 break;
1833
1834 /* End of this line */
1835 case '\n':
1836 if (level >= 0) /* there are unclosed conditionals */
1837 {
1838 fail = PARSE_FAIL_UNCLOSED_COND;
1839 break;
1840 }
1841 /* add a new token for the \n so empty lines are correct */
1842 data->tokens[data->num_tokens].type = WPS_TOKEN_CHARACTER;
1843 data->tokens[data->num_tokens].value.c = '\n';
1844 data->tokens[data->num_tokens].next = false;
1845 data->num_tokens++;
1846
1847 if (!skin_start_new_line(curr_vp, data->num_tokens))
1848 {
1849 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1850 break;
1851 }
1852 line_number++;
1853
1854 break;
1855
1856 /* String */
1857 default:
1858 {
1859 unsigned int len = 1;
1860 const char *string_start = wps_bufptr - 1;
1861
1862 /* find the length of the string */
1863 while (*wps_bufptr && *wps_bufptr != '#' &&
1864 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1865 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1866 *wps_bufptr != '|' && *wps_bufptr != '\n')
1867 {
1868 wps_bufptr++;
1869 len++;
1870 }
1871
1872 /* look if we already have that string */
1873 char *str;
1874 bool found = false;
1875 struct skin_token_list *list = data->strings;
1876 while (list)
1877 {
1878 str = (char*)list->token->value.data;
1879 found = (strlen(str) == len &&
1880 strncmp(string_start, str, len) == 0);
1881 if (found)
1882 break; /* break here because the list item is
1883 used if its found */
1884 list = list->next;
1885 }
1886 /* If a matching string is found, found is true and i is
1887 the index of the string. If not, found is false */
1888
1889 if (!found)
1890 {
1891 /* new string */
1892 str = (char*)skin_buffer_alloc(len+1);
1893 if (!str)
1894 {
1895 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1896 break;
1897 }
1898 strlcpy(str, string_start, len+1);
1899 struct skin_token_list *item =
1900 new_skin_token_list_item(&data->tokens[data->num_tokens], str);
1901 if(!item)
1902 {
1903 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1904 break;
1905 }
1906 add_to_ll_chain(&data->strings, item);
1907 }
1908 else
1909 {
1910 /* another occurrence of an existing string */
1911 data->tokens[data->num_tokens].value.data = list->token->value.data;
1912 }
1913 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1914 data->num_tokens++;
1915 }
1916 break;
1917 }
1918 }
1919
1920 if (!fail && level >= 0) /* there are unclosed conditionals */
1921 fail = PARSE_FAIL_UNCLOSED_COND;
1922
1923 if (*wps_bufptr && !fail)
1924 /* one of the limits of the while loop was exceeded */
1925 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1926
1927 /* Success! */
1928 curr_line->curr_subline->last_token_idx = data->num_tokens;
1929 data->tokens[data->num_tokens++].type = WPS_NO_TOKEN;
1930 /* freeup unused tokens */
1931 skin_buffer_free_from_front(sizeof(struct wps_token)
1932 * (max_tokens - data->num_tokens));
1933
1934 #if defined(DEBUG) || defined(SIMULATOR)
1935 if (debug)
1936 {
1937 print_debug_info(data, fail, line_number);
1938 debug_skin_usage();
1939 }
1940 #else
1941 (void)debug;
1942 #endif
1943
1944 return (fail == 0);
1945 }
1946
1947
1948 /*
1949 * initial setup of wps_data; does reset everything
1950 * except fields which need to survive, i.e.
1951 *
1952 **/
1953 static void skin_data_reset(struct wps_data *wps_data)
1954 {
1955 #ifdef HAVE_LCD_BITMAP
1956 wps_data->images = NULL;
1957 wps_data->progressbars = NULL;
1958 #endif
1959 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1960 wps_data->backdrop = NULL;
1961 #endif
1962 #ifdef HAVE_TOUCHSCREEN
1963 wps_data->touchregions = NULL;
1964 #endif
1965 wps_data->viewports = NULL;
1966 wps_data->strings = NULL;
1967 #ifdef HAVE_ALBUMART
1968 wps_data->albumart = NULL;
1969 if (wps_data->playback_aa_slot >= 0)
1970 {
1971 playback_release_aa_slot(wps_data->playback_aa_slot);
1972 wps_data->playback_aa_slot = -1;
1973 }
1974 #endif
1975 wps_data->tokens = NULL;
1976 wps_data->num_tokens = 0;
1977
1978 #ifdef HAVE_LCD_BITMAP
1979 wps_data->peak_meter_enabled = false;
1980 wps_data->wps_sb_tag = false;
1981 wps_data->show_sb_on_wps = false;
1982 #else /* HAVE_LCD_CHARCELLS */
1983 /* progress bars */
1984 int i;
1985 for (i = 0; i < 8; i++)
1986 {
1987 wps_data->wps_progress_pat[i] = 0;
1988 }
1989 wps_data->full_line_progressbar = false;
1990 #endif
1991 wps_data->wps_loaded = false;
1992 }
1993
1994 #ifdef HAVE_LCD_BITMAP
1995 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
1996 {
1997 (void)wps_data; /* only needed for remote targets */
1998 char img_path[MAX_PATH];
1999 get_image_filename(bitmap->data, bmpdir,
2000 img_path, sizeof(img_path));
2001
2002 /* load the image */
2003 int format;
2004 #ifdef HAVE_REMOTE_LCD
2005 if (curr_screen == SCREEN_REMOTE)
2006 format = FORMAT_ANY|FORMAT_REMOTE;
2007 else
2008 #endif
2009 format = FORMAT_ANY|FORMAT_TRANSPARENT;
2010
2011 size_t max_buf;
2012 char* imgbuf = (char*)skin_buffer_grab(&max_buf);
2013 bitmap->data = imgbuf;
2014 int ret = read_bmp_file(img_path, bitmap, max_buf, format, NULL);
2015
2016 if (ret > 0)
2017 {
2018 skin_buffer_increment(ret, true);
2019 return true;
2020 }
2021 else
2022 {
2023 /* Abort if we can't load an image */
2024 DEBUGF("Couldn't load '%s'\n", img_path);
2025 return false;
2026 }
2027 }
2028
2029 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
2030 {
2031 struct skin_token_list *list;
2032 bool retval = true; /* return false if a single image failed to load */
2033 /* do the progressbars */
2034 list = wps_data->progressbars;
2035 while (list)
2036 {
2037 struct progressbar *pb = (struct progressbar*)list->token->value.data;
2038 if (pb->bm.data)
2039 {
2040 pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
2041 if (!pb->have_bitmap_pb) /* no success */
2042 retval = false;
2043 }
2044 list = list->next;
2045 }
2046 /* regular images */
2047 list = wps_data->images;
2048 while (list)
2049 {
2050 struct gui_img *img = (struct gui_img*)list->token->value.data;
2051 if (img->bm.data)
2052 {
2053 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
2054 if (img->loaded)
2055 img->subimage_height = img->bm.height / img->num_subimages;
2056 else
2057 retval = false;
2058 }
2059 list = list->next;
2060 }
2061
2062 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
2063 /* Backdrop load scheme:
2064 * 1) %X|filename|
2065 * 2) load the backdrop from settings
2066 */
2067 if (wps_data->backdrop)
2068 {
2069 bool needed = wps_data->backdrop[0] != '-';
2070 wps_data->backdrop = skin_backdrop_load(wps_data->backdrop,
2071 bmpdir, curr_screen);
2072 if (!wps_data->backdrop && needed)
2073 retval = false;
2074 }
2075 #endif /* has backdrop support */
2076
2077 return retval;
2078 }
2079
2080 static bool skin_load_fonts(struct wps_data *data)
2081 {
2082 /* don't spit out after the first failue to aid debugging */
2083 bool success = true;
2084 struct skin_token_list *vp_list;
2085 /* walk though each viewport and assign its font */
2086 for(vp_list = data->viewports; vp_list; vp_list = vp_list->next)
2087 {
2088 /* first, find the viewports that have a non-sys/ui-font font */
2089 struct skin_viewport *skin_vp =
2090 (struct skin_viewport*)vp_list->token->value.data;
2091 struct viewport *vp = &skin_vp->vp;
2092
2093
2094 if (vp->font < SYSTEMFONTCOUNT)
2095 { /* the usual case -> built-in fonts */
2096 continue;
2097 }
2098
2099 /* decrement, because font has been incremented in viewport parsing
2100 * due to the FONT_UI_REMOTE ambiguity */
2101 int skin_font_id = vp->font-1;
2102
2103 /* now find the corresponding skin_font */
2104 struct skin_font *font = &skinfonts[skin_font_id-FONT_FIRSTUSERFONT];
2105 if (!font)
2106 {
2107 DEBUGF("Could not find font %d\n", skin_font_id);
2108 success = false;
2109 continue;
2110 }
2111
2112 /* load the font - will handle loading the same font again if
2113 * multiple viewports use the same */
2114 if (font->id < 0)
2115 {
2116 char *bar = strchr(font->name, '|');
2117 *bar = '\0';
2118 font->id = skin_font_load(font->name);
2119 }
2120
2121 if (font->id < 0)
2122 {
2123 DEBUGF("Unable to load font %d: '%s.fnt'\n",
2124 skin_font_id, font->name);
2125 success = false;
2126 continue;
2127 }
2128
2129 /* finally, assign the font_id to the viewport */
2130 vp->font = font->id;
2131 }
2132 return success;
2133 }
2134
2135 #endif /* HAVE_LCD_BITMAP */
2136
2137 /* to setup up the wps-data from a format-buffer (isfile = false)
2138 from a (wps-)file (isfile = true)*/
2139 bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
2140 const char *buf, bool isfile)
2141 {
2142
2143 if (!wps_data || !buf)
2144 return false;
2145 #ifdef HAVE_ALBUMART
2146 int status;
2147 struct mp3entry *curtrack;
2148 long offset;
2149 struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
2150 if (wps_data->albumart)
2151 {
2152 old_aa.state = wps_data->albumart->state;
2153 old_aa.height = wps_data->albumart->height;
2154 old_aa.width = wps_data->albumart->width;
2155 }
2156 #endif
2157
2158 skin_data_reset(wps_data);
2159 curr_screen = screen;
2160
2161 /* alloc default viewport, will be fixed up later */
2162 curr_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
2163 if (!curr_vp)
2164 return false;
2165 struct skin_token_list *list = new_skin_token_list_item(NULL, curr_vp);
2166 if (!list)
2167 return false;
2168 add_to_ll_chain(&wps_data->viewports, list);
2169
2170
2171 /* Initialise the first (default) viewport */
2172 curr_vp->label = VP_DEFAULT_LABEL;
2173 curr_vp->pb = NULL;
2174 curr_vp->hidden_flags = 0;
2175 curr_vp->lines = NULL;
2176
2177 viewport_set_defaults(&curr_vp->vp, screen);
2178
2179 curr_line = NULL;
2180 if (!skin_start_new_line(curr_vp, 0))
2181 return false;
2182
2183 if (!isfile)
2184 {
2185 if (wps_parse(wps_data, buf, false))
2186 {
2187 #ifdef HAVE_LCD_BITMAP
2188 /* load the backdrop */
2189 if (!load_skin_bitmaps(wps_data, BACKDROP_DIR)) {
2190 skin_data_reset(wps_data);
2191 return false;
2192 }
2193 #endif
2194 return true;
2195 }
2196 return false;
2197 }
2198 else
2199 {
2200 int fd = open_utf8(buf, O_RDONLY);
2201
2202 if (fd < 0)
2203 return false;
2204
2205 /* get buffer space from the plugin buffer */
2206 size_t buffersize = 0;
2207 char *wps_buffer = (char *)plugin_get_buffer(&buffersize);
2208
2209 if (!wps_buffer)
2210 return false;
2211
2212 /* copy the file's content to the buffer for parsing,
2213 ensuring that every line ends with a newline char. */
2214 unsigned int start = 0;
2215 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
2216 {
2217 start += strlen(wps_buffer + start);
2218 if (start < buffersize - 1)
2219 {
2220 wps_buffer[start++] = '\n';
2221 wps_buffer[start] = 0;
2222 }
2223 }
2224
2225 close(fd);
2226
2227 if (start <= 0)
2228 return false;
2229
2230 /* parse the WPS source */
2231 if (!wps_parse(wps_data, wps_buffer, true)) {
2232 skin_data_reset(wps_data);
2233 return false;
2234 }
2235
2236 wps_data->wps_loaded = true;
2237
2238 #ifdef HAVE_LCD_BITMAP
2239 /* get the bitmap dir */
2240 char bmpdir[MAX_PATH];
2241 char *dot = strrchr(buf, '.');
2242
2243 strlcpy(bmpdir, buf, dot - buf + 1);
2244 /* load the bitmaps that were found by the parsing */
2245 if (!load_skin_bitmaps(wps_data, bmpdir)) {
2246 skin_data_reset(wps_data);
2247 wps_data->wps_loaded = false;
2248 return false;
2249 }
2250 if (!skin_load_fonts(wps_data))
2251 {
2252 skin_data_reset(wps_data);
2253 wps_data->wps_loaded = false;
2254 return false;
2255 }
2256 #endif
2257 #if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
2258 status = audio_status();
2259 if (status & AUDIO_STATUS_PLAY)
2260 {
2261 struct skin_albumart *aa = wps_data->albumart;
2262 if (aa && ((aa->state && !old_aa.state) ||
2263 (aa->state &&
2264 (((old_aa.height != aa->height) ||
2265 (old_aa.width != aa->width))))))
2266 {
2267 curtrack = audio_current_track();
2268 offset = curtrack->offset;
2269 audio_stop();
2270 if (!(status & AUDIO_STATUS_PAUSE))
2271 audio_play(offset);
2272 }
2273 }
2274 #endif
2275 #if defined(DEBUG) || defined(SIMULATOR)
2276 debug_skin_usage();
2277 #endif
2278 return true;
2279 }
2280 }
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