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really fix "%pv|something else" this time
[kugel-rb.git] / apps / gui / skin_engine / skin_parser.c
blob6495c4392a18437832d4904593c8c8c5329ba243
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_statusbar_inbuilt(const char *wps_bufptr,
158 struct wps_token *token, struct wps_data *wps_data);
159 static int parse_image_display(const char *wps_bufptr,
160 struct wps_token *token, struct wps_data *wps_data);
161 static int parse_image_load(const char *wps_bufptr,
162 struct wps_token *token, struct wps_data *wps_data);
163 static int parse_font_load(const char *wps_bufptr,
164 struct wps_token *token, struct wps_data *wps_data);
165 #endif /*HAVE_LCD_BITMAP */
166 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
167 static int parse_image_special(const char *wps_bufptr,
168 struct wps_token *token, struct wps_data *wps_data);
169 #endif
170 #ifdef HAVE_ALBUMART
171 static int parse_albumart_load(const char *wps_bufptr,
172 struct wps_token *token, struct wps_data *wps_data);
173 static int parse_albumart_display(const char *wps_bufptr,
174 struct wps_token *token, struct wps_data *wps_data);
175 #endif /* HAVE_ALBUMART */
176 #ifdef HAVE_TOUCHSCREEN
177 static int parse_touchregion(const char *wps_bufptr,
178 struct wps_token *token, struct wps_data *wps_data);
179 #else
180 static int fulline_tag_not_supported(const char *wps_bufptr,
181 struct wps_token *token, struct wps_data *wps_data)
182 {
183 (void)token; (void)wps_data;
184 return skip_end_of_line(wps_bufptr);
185 }
186 #define parse_touchregion fulline_tag_not_supported
187 #endif
188 #ifdef CONFIG_RTC
189 #define WPS_RTC_REFRESH WPS_REFRESH_DYNAMIC
190 #else
191 #define WPS_RTC_REFRESH WPS_REFRESH_STATIC
192 #endif
193
194 /* array of available tags - those with more characters have to go first
195 (e.g. "xl" and "xd" before "x"). It needs to end with the unknown token. */
196 static const struct wps_tag all_tags[] = {
197
198 { WPS_TOKEN_ALIGN_CENTER, "ac", 0, NULL },
199 { WPS_TOKEN_ALIGN_LEFT, "al", 0, NULL },
200 { WPS_TOKEN_ALIGN_LEFT_RTL, "aL", 0, NULL },
201 { WPS_TOKEN_ALIGN_RIGHT, "ar", 0, NULL },
202 { WPS_TOKEN_ALIGN_RIGHT_RTL, "aR", 0, NULL },
203 { WPS_NO_TOKEN, "ax", 0, parse_languagedirection },
204
205 { WPS_TOKEN_BATTERY_PERCENT, "bl", WPS_REFRESH_DYNAMIC, NULL },
206 { WPS_TOKEN_BATTERY_VOLTS, "bv", WPS_REFRESH_DYNAMIC, NULL },
207 { WPS_TOKEN_BATTERY_TIME, "bt", WPS_REFRESH_DYNAMIC, NULL },
208 { WPS_TOKEN_BATTERY_SLEEPTIME, "bs", WPS_REFRESH_DYNAMIC, NULL },
209 #if CONFIG_CHARGING >= CHARGING_MONITOR
210 { WPS_TOKEN_BATTERY_CHARGING, "bc", WPS_REFRESH_DYNAMIC, NULL },
211 #endif
212 #if CONFIG_CHARGING
213 { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp", WPS_REFRESH_DYNAMIC, NULL },
214 #endif
215 #ifdef HAVE_USB_POWER
216 { WPS_TOKEN_USB_POWERED, "bu", WPS_REFRESH_DYNAMIC, NULL },
217 #endif
218
219 { WPS_TOKEN_RTC_PRESENT , "cc", WPS_REFRESH_STATIC, NULL },
220 { WPS_TOKEN_RTC_DAY_OF_MONTH, "cd", WPS_RTC_REFRESH, NULL },
221 { WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,"ce", WPS_RTC_REFRESH, NULL },
222 { WPS_TOKEN_RTC_12HOUR_CFG, "cf", WPS_RTC_REFRESH, NULL },
223 { WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED, "cH", WPS_RTC_REFRESH, NULL },
224 { WPS_TOKEN_RTC_HOUR_24, "ck", WPS_RTC_REFRESH, NULL },
225 { WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED, "cI", WPS_RTC_REFRESH, NULL },
226 { WPS_TOKEN_RTC_HOUR_12, "cl", WPS_RTC_REFRESH, NULL },
227 { WPS_TOKEN_RTC_MONTH, "cm", WPS_RTC_REFRESH, NULL },
228 { WPS_TOKEN_RTC_MINUTE, "cM", WPS_RTC_REFRESH, NULL },
229 { WPS_TOKEN_RTC_SECOND, "cS", WPS_RTC_REFRESH, NULL },
230 { WPS_TOKEN_RTC_YEAR_2_DIGITS, "cy", WPS_RTC_REFRESH, NULL },
231 { WPS_TOKEN_RTC_YEAR_4_DIGITS, "cY", WPS_RTC_REFRESH, NULL },
232 { WPS_TOKEN_RTC_AM_PM_UPPER, "cP", WPS_RTC_REFRESH, NULL },
233 { WPS_TOKEN_RTC_AM_PM_LOWER, "cp", WPS_RTC_REFRESH, NULL },
234 { WPS_TOKEN_RTC_WEEKDAY_NAME, "ca", WPS_RTC_REFRESH, NULL },
235 { WPS_TOKEN_RTC_MONTH_NAME, "cb", WPS_RTC_REFRESH, NULL },
236 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON, "cu", WPS_RTC_REFRESH, NULL },
237 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN, "cw", WPS_RTC_REFRESH, NULL },
238
239 /* current file */
240 { WPS_TOKEN_FILE_BITRATE, "fb", WPS_REFRESH_STATIC, NULL },
241 { WPS_TOKEN_FILE_CODEC, "fc", WPS_REFRESH_STATIC, NULL },
242 { WPS_TOKEN_FILE_FREQUENCY, "ff", WPS_REFRESH_STATIC, NULL },
243 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "fk", WPS_REFRESH_STATIC, NULL },
244 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "fm", WPS_REFRESH_STATIC, NULL },
245 { WPS_TOKEN_FILE_NAME, "fn", WPS_REFRESH_STATIC, NULL },
246 { WPS_TOKEN_FILE_PATH, "fp", WPS_REFRESH_STATIC, NULL },
247 { WPS_TOKEN_FILE_SIZE, "fs", WPS_REFRESH_STATIC, NULL },
248 { WPS_TOKEN_FILE_VBR, "fv", WPS_REFRESH_STATIC, NULL },
249 { WPS_TOKEN_FILE_DIRECTORY, "d", WPS_REFRESH_STATIC,
250 parse_dir_level },
251
252 /* next file */
253 { WPS_TOKEN_FILE_BITRATE, "Fb", WPS_REFRESH_STATIC, NULL },
254 { WPS_TOKEN_FILE_CODEC, "Fc", WPS_REFRESH_STATIC, NULL },
255 { WPS_TOKEN_FILE_FREQUENCY, "Ff", WPS_REFRESH_STATIC, NULL },
256 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "Fk", WPS_REFRESH_STATIC, NULL },
257 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "Fm", WPS_REFRESH_STATIC, NULL },
258 { WPS_TOKEN_FILE_NAME, "Fn", WPS_REFRESH_STATIC, NULL },
259 { WPS_TOKEN_FILE_PATH, "Fp", WPS_REFRESH_STATIC, NULL },
260 { WPS_TOKEN_FILE_SIZE, "Fs", WPS_REFRESH_STATIC, NULL },
261 { WPS_TOKEN_FILE_VBR, "Fv", WPS_REFRESH_STATIC, NULL },
262 { WPS_TOKEN_FILE_DIRECTORY, "D", WPS_REFRESH_STATIC,
263 parse_dir_level },
264
265 /* current metadata */
266 { WPS_TOKEN_METADATA_ARTIST, "ia", WPS_REFRESH_STATIC, NULL },
267 { WPS_TOKEN_METADATA_COMPOSER, "ic", WPS_REFRESH_STATIC, NULL },
268 { WPS_TOKEN_METADATA_ALBUM, "id", WPS_REFRESH_STATIC, NULL },
269 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "iA", WPS_REFRESH_STATIC, NULL },
270 { WPS_TOKEN_METADATA_GROUPING, "iG", WPS_REFRESH_STATIC, NULL },
271 { WPS_TOKEN_METADATA_GENRE, "ig", WPS_REFRESH_STATIC, NULL },
272 { WPS_TOKEN_METADATA_DISC_NUMBER, "ik", WPS_REFRESH_STATIC, NULL },
273 { WPS_TOKEN_METADATA_TRACK_NUMBER, "in", WPS_REFRESH_STATIC, NULL },
274 { WPS_TOKEN_METADATA_TRACK_TITLE, "it", WPS_REFRESH_STATIC, NULL },
275 { WPS_TOKEN_METADATA_VERSION, "iv", WPS_REFRESH_STATIC, NULL },
276 { WPS_TOKEN_METADATA_YEAR, "iy", WPS_REFRESH_STATIC, NULL },
277 { WPS_TOKEN_METADATA_COMMENT, "iC", WPS_REFRESH_STATIC, NULL },
278
279 /* next metadata */
280 { WPS_TOKEN_METADATA_ARTIST, "Ia", WPS_REFRESH_STATIC, NULL },
281 { WPS_TOKEN_METADATA_COMPOSER, "Ic", WPS_REFRESH_STATIC, NULL },
282 { WPS_TOKEN_METADATA_ALBUM, "Id", WPS_REFRESH_STATIC, NULL },
283 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "IA", WPS_REFRESH_STATIC, NULL },
284 { WPS_TOKEN_METADATA_GROUPING, "IG", WPS_REFRESH_STATIC, NULL },
285 { WPS_TOKEN_METADATA_GENRE, "Ig", WPS_REFRESH_STATIC, NULL },
286 { WPS_TOKEN_METADATA_DISC_NUMBER, "Ik", WPS_REFRESH_STATIC, NULL },
287 { WPS_TOKEN_METADATA_TRACK_NUMBER, "In", WPS_REFRESH_STATIC, NULL },
288 { WPS_TOKEN_METADATA_TRACK_TITLE, "It", WPS_REFRESH_STATIC, NULL },
289 { WPS_TOKEN_METADATA_VERSION, "Iv", WPS_REFRESH_STATIC, NULL },
290 { WPS_TOKEN_METADATA_YEAR, "Iy", WPS_REFRESH_STATIC, NULL },
291 { WPS_TOKEN_METADATA_COMMENT, "IC", WPS_REFRESH_STATIC, NULL },
292
293 #if (CONFIG_CODEC != MAS3507D)
294 { WPS_TOKEN_SOUND_PITCH, "Sp", WPS_REFRESH_DYNAMIC, NULL },
295 #endif
296 #if (CONFIG_CODEC == SWCODEC)
297 { WPS_TOKEN_SOUND_SPEED, "Ss", WPS_REFRESH_DYNAMIC, NULL },
298 #endif
299 #if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
300 { WPS_TOKEN_VLED_HDD, "lh", WPS_REFRESH_DYNAMIC, NULL },
301 #endif
302
303 { WPS_TOKEN_MAIN_HOLD, "mh", WPS_REFRESH_DYNAMIC, NULL },
304
305 #ifdef HAS_REMOTE_BUTTON_HOLD
306 { WPS_TOKEN_REMOTE_HOLD, "mr", WPS_REFRESH_DYNAMIC, NULL },
307 #else
308 { WPS_TOKEN_UNKNOWN, "mr", 0, NULL },
309 #endif
310
311 { WPS_TOKEN_REPEAT_MODE, "mm", WPS_REFRESH_DYNAMIC, NULL },
312 { WPS_TOKEN_PLAYBACK_STATUS, "mp", WPS_REFRESH_DYNAMIC, NULL },
313 { WPS_TOKEN_BUTTON_VOLUME, "mv", WPS_REFRESH_DYNAMIC,
314 parse_timeout },
315
316 #ifdef HAVE_LCD_BITMAP
317 { WPS_TOKEN_PEAKMETER, "pm", WPS_REFRESH_PEAK_METER, NULL },
318 #else
319 { WPS_TOKEN_PLAYER_PROGRESSBAR, "pf",
320 WPS_REFRESH_DYNAMIC | WPS_REFRESH_PLAYER_PROGRESS, parse_progressbar },
321 #endif
322 { WPS_TOKEN_PROGRESSBAR, "pb", WPS_REFRESH_PLAYER_PROGRESS,
323 parse_progressbar },
324
325 { WPS_TOKEN_VOLUME, "pv", WPS_REFRESH_DYNAMIC,
326 parse_progressbar },
327
328 { WPS_TOKEN_TRACK_ELAPSED_PERCENT, "px", WPS_REFRESH_DYNAMIC, NULL },
329 { WPS_TOKEN_TRACK_TIME_ELAPSED, "pc", WPS_REFRESH_DYNAMIC, NULL },
330 { WPS_TOKEN_TRACK_TIME_REMAINING, "pr", WPS_REFRESH_DYNAMIC, NULL },
331 { WPS_TOKEN_TRACK_LENGTH, "pt", WPS_REFRESH_STATIC, NULL },
332 { WPS_TOKEN_TRACK_STARTING, "pS", WPS_REFRESH_DYNAMIC, parse_timeout },
333 { WPS_TOKEN_TRACK_ENDING, "pE", WPS_REFRESH_DYNAMIC, parse_timeout },
334
335 { WPS_TOKEN_PLAYLIST_POSITION, "pp", WPS_REFRESH_STATIC, NULL },
336 { WPS_TOKEN_PLAYLIST_ENTRIES, "pe", WPS_REFRESH_STATIC, NULL },
337 { WPS_TOKEN_PLAYLIST_NAME, "pn", WPS_REFRESH_STATIC, NULL },
338 { WPS_TOKEN_PLAYLIST_SHUFFLE, "ps", WPS_REFRESH_DYNAMIC, NULL },
339
340 #ifdef HAVE_TAGCACHE
341 { WPS_TOKEN_DATABASE_PLAYCOUNT, "rp", WPS_REFRESH_DYNAMIC, NULL },
342 { WPS_TOKEN_DATABASE_RATING, "rr", WPS_REFRESH_DYNAMIC, NULL },
343 { WPS_TOKEN_DATABASE_AUTOSCORE, "ra", WPS_REFRESH_DYNAMIC, NULL },
344 #endif
345
346 #if CONFIG_CODEC == SWCODEC
347 { WPS_TOKEN_REPLAYGAIN, "rg", WPS_REFRESH_STATIC, NULL },
348 { WPS_TOKEN_CROSSFADE, "xf", WPS_REFRESH_DYNAMIC, NULL },
349 #endif
350
351 { WPS_NO_TOKEN, "s", WPS_REFRESH_SCROLL, NULL },
352 { WPS_TOKEN_SUBLINE_TIMEOUT, "t", 0, parse_timeout },
353
354 #ifdef HAVE_LCD_BITMAP
355 { WPS_NO_TOKEN, "we", 0, parse_statusbar_enable },
356 { WPS_NO_TOKEN, "wd", 0, parse_statusbar_disable },
357 { WPS_TOKEN_DRAW_INBUILTBAR, "wi", WPS_REFRESH_DYNAMIC, parse_statusbar_inbuilt },
358
359 { WPS_NO_TOKEN, "xl", 0, parse_image_load },
360
361 { WPS_TOKEN_IMAGE_PRELOAD_DISPLAY, "xd", WPS_REFRESH_STATIC,
362 parse_image_display },
363
364 { WPS_TOKEN_IMAGE_DISPLAY, "x", 0, parse_image_load },
365 { WPS_NO_TOKEN, "Fl", 0, parse_font_load },
366 #ifdef HAVE_ALBUMART
367 { WPS_NO_TOKEN, "Cl", 0, parse_albumart_load },
368 { WPS_TOKEN_ALBUMART_DISPLAY, "C", WPS_REFRESH_STATIC, parse_albumart_display },
369 #endif
370
371 { WPS_VIEWPORT_ENABLE, "Vd", WPS_REFRESH_DYNAMIC,
372 parse_viewport_display },
373 #ifdef HAVE_LCD_BITMAP
374 { WPS_VIEWPORT_CUSTOMLIST, "Vp", WPS_REFRESH_STATIC, parse_playlistview },
375 { WPS_TOKEN_LIST_TITLE_TEXT, "Lt", WPS_REFRESH_DYNAMIC, NULL },
376 { WPS_TOKEN_LIST_TITLE_ICON, "Li", WPS_REFRESH_DYNAMIC, NULL },
377 #endif
378 { WPS_NO_TOKEN, "V", 0, parse_viewport },
379
380 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
381 { WPS_TOKEN_IMAGE_BACKDROP, "X", 0, parse_image_special },
382 #endif
383 #endif
384
385 { WPS_TOKEN_SETTING, "St", WPS_REFRESH_DYNAMIC,
386 parse_setting_and_lang },
387 { WPS_TOKEN_TRANSLATEDSTRING, "Sx", WPS_REFRESH_STATIC,
388 parse_setting_and_lang },
389 { WPS_TOKEN_LANG_IS_RTL , "Sr", WPS_REFRESH_STATIC, NULL },
390
391 { WPS_TOKEN_LASTTOUCH, "Tl", WPS_REFRESH_DYNAMIC, parse_timeout },
392 { WPS_TOKEN_CURRENT_SCREEN, "cs", WPS_REFRESH_DYNAMIC, NULL },
393 { WPS_NO_TOKEN, "T", 0, parse_touchregion },
394
395
396 /* Recording Tokens */
397 { WPS_TOKEN_HAVE_RECORDING, "Rp", WPS_REFRESH_STATIC, NULL },
398 #ifdef HAVE_RECORDING
399 { WPS_TOKEN_REC_FREQ, "Rf", WPS_REFRESH_DYNAMIC, NULL },
400 { WPS_TOKEN_REC_ENCODER, "Re", WPS_REFRESH_DYNAMIC, NULL },
401 { WPS_TOKEN_REC_BITRATE, "Rb", WPS_REFRESH_DYNAMIC, NULL },
402 { WPS_TOKEN_REC_MONO, "Rm", WPS_REFRESH_DYNAMIC, NULL },
403 #endif
404 { WPS_TOKEN_UNKNOWN, "", 0, NULL }
405 /* the array MUST end with an empty string (first char is \0) */
406 };
407
408
409 /* add a skin_token_list item to the list chain. ALWAYS appended because some of the
410 * chains require the order to be kept.
411 */
412 static void add_to_ll_chain(struct skin_token_list **list, struct skin_token_list *item)
413 {
414 if (*list == NULL)
415 *list = item;
416 else
417 {
418 struct skin_token_list *t = *list;
419 while (t->next)
420 t = t->next;
421 t->next = item;
422 }
423 }
424
425 /* traverse the image linked-list for an image */
426 #ifdef HAVE_LCD_BITMAP
427 struct gui_img* find_image(char label, struct wps_data *data)
428 {
429 struct skin_token_list *list = data->images;
430 while (list)
431 {
432 struct gui_img *img = (struct gui_img *)list->token->value.data;
433 if (img->label == label)
434 return img;
435 list = list->next;
436 }
437 return NULL;
438 }
439
440 #endif
441
442 /* traverse the viewport linked list for a viewport */
443 struct skin_viewport* find_viewport(char label, struct wps_data *data)
444 {
445 struct skin_token_list *list = data->viewports;
446 while (list)
447 {
448 struct skin_viewport *vp = (struct skin_viewport *)list->token->value.data;
449 if (vp->label == label)
450 return vp;
451 list = list->next;
452 }
453 return NULL;
454 }
455
456
457 /* create and init a new wpsll item.
458 * passing NULL to token will alloc a new one.
459 * You should only pass NULL for the token when the token type (table above)
460 * is WPS_NO_TOKEN which means it is not stored automatically in the skins token array
461 */
462 static struct skin_token_list *new_skin_token_list_item(struct wps_token *token,
463 void* token_data)
464 {
465 struct skin_token_list *llitem = skin_buffer_alloc(sizeof(struct skin_token_list));
466 if (!token)
467 token = skin_buffer_alloc(sizeof(struct wps_token));
468 if (!llitem || !token)
469 return NULL;
470 llitem->next = NULL;
471 llitem->token = token;
472 if (token_data)
473 llitem->token->value.data = token_data;
474 return llitem;
475 }
476
477 /* Returns the number of chars that should be skipped to jump
478 immediately after the first eol, i.e. to the start of the next line */
479 static int skip_end_of_line(const char *wps_bufptr)
480 {
481 line_number++;
482 int skip = 0;
483 while(*(wps_bufptr + skip) != '\n')
484 skip++;
485 return ++skip;
486 }
487
488 /* Starts a new subline in the current line during parsing */
489 static bool skin_start_new_subline(struct skin_line *line, int curr_token)
490 {
491 struct skin_subline *subline = skin_buffer_alloc(sizeof(struct skin_subline));
492 if (!subline)
493 return false;
494
495 subline->first_token_idx = curr_token;
496 subline->next = NULL;
497
498 subline->line_type = 0;
499 subline->time_mult = 0;
500
501 line->curr_subline->last_token_idx = curr_token-1;
502 line->curr_subline->next = subline;
503 line->curr_subline = subline;
504 return true;
505 }
506
507 static bool skin_start_new_line(struct skin_viewport *vp, int curr_token)
508 {
509 struct skin_line *line = skin_buffer_alloc(sizeof(struct skin_line));
510 struct skin_subline *subline = NULL;
511 if (!line)
512 return false;
513
514 /* init the subline */
515 subline = &line->sublines;
516 subline->first_token_idx = curr_token;
517 subline->next = NULL;
518 subline->line_type = 0;
519 subline->time_mult = 0;
520
521 /* init the new line */
522 line->curr_subline = &line->sublines;
523 line->next = NULL;
524 line->subline_expire_time = 0;
525
526 /* connect to curr_line and vp pointers.
527 * 1) close the previous lines subline
528 * 2) connect to vp pointer
529 * 3) connect to curr_line global pointer
530 */
531 if (curr_line)
532 {
533 curr_line->curr_subline->last_token_idx = curr_token - 1;
534 curr_line->next = line;
535 curr_line->curr_subline = NULL;
536 }
537 curr_line = line;
538 if (!vp->lines)
539 vp->lines = line;
540 return true;
541 }
542
543 #ifdef HAVE_LCD_BITMAP
544
545 static int parse_statusbar_enable(const char *wps_bufptr,
546 struct wps_token *token,
547 struct wps_data *wps_data)
548 {
549 (void)token; /* Kill warnings */
550 wps_data->wps_sb_tag = true;
551 wps_data->show_sb_on_wps = true;
552 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
553 viewport_set_defaults(&default_vp->vp, curr_screen);
554 default_vp->vp.font = FONT_UI;
555 return skip_end_of_line(wps_bufptr);
556 }
557
558 static int parse_statusbar_disable(const char *wps_bufptr,
559 struct wps_token *token,
560 struct wps_data *wps_data)
561 {
562 (void)token; /* Kill warnings */
563 wps_data->wps_sb_tag = true;
564 wps_data->show_sb_on_wps = false;
565 struct skin_viewport *default_vp = find_viewport(VP_DEFAULT_LABEL, wps_data);
566 viewport_set_fullscreen(&default_vp->vp, curr_screen);
567 default_vp->vp.font = FONT_UI;
568 return skip_end_of_line(wps_bufptr);
569 }
570
571 static int parse_statusbar_inbuilt(const char *wps_bufptr,
572 struct wps_token *token, struct wps_data *wps_data)
573 {
574 (void)wps_data;
575 token->value.data = (void*)&curr_vp->vp;
576 return skip_end_of_line(wps_bufptr);
577 }
578
579 static int get_image_id(int c)
580 {
581 if(c >= 'a' && c <= 'z')
582 return c - 'a';
583 else if(c >= 'A' && c <= 'Z')
584 return c - 'A' + 26;
585 else
586 return -1;
587 }
588
589 char *get_image_filename(const char *start, const char* bmpdir,
590 char *buf, int buf_size)
591 {
592 const char *end = strchr(start, '|');
593 int bmpdirlen = strlen(bmpdir);
594
595 if ( !end || (end - start) >= (buf_size - bmpdirlen - 2) )
596 {
597 buf[0] = '\0';
598 return NULL;
599 }
600
601 strcpy(buf, bmpdir);
602 buf[bmpdirlen] = '/';
603 memcpy( &buf[bmpdirlen + 1], start, end - start);
604 buf[bmpdirlen + 1 + end - start] = 0;
605
606 return buf;
607 }
608
609 static int parse_image_display(const char *wps_bufptr,
610 struct wps_token *token,
611 struct wps_data *wps_data)
612 {
613 char label = wps_bufptr[0];
614 int subimage;
615 struct gui_img *img;;
616
617 /* sanity check */
618 img = find_image(label, wps_data);
619 if (!img)
620 {
621 token->value.i = label; /* so debug works */
622 return WPS_ERROR_INVALID_PARAM;
623 }
624
625 if ((subimage = get_image_id(wps_bufptr[1])) != -1)
626 {
627 if (subimage >= img->num_subimages)
628 return WPS_ERROR_INVALID_PARAM;
629
630 /* Store sub-image number to display in high bits */
631 token->value.i = label | (subimage << 8);
632 return 2; /* We have consumed 2 bytes */
633 } else {
634 token->value.i = label;
635 return 1; /* We have consumed 1 byte */
636 }
637 }
638
639 static int parse_image_load(const char *wps_bufptr,
640 struct wps_token *token,
641 struct wps_data *wps_data)
642 {
643 const char *ptr = wps_bufptr;
644 const char *pos;
645 const char* filename;
646 const char* id;
647 const char *newline;
648 int x,y;
649 struct gui_img *img;
650
651 /* format: %x|n|filename.bmp|x|y|
652 or %xl|n|filename.bmp|x|y|
653 or %xl|n|filename.bmp|x|y|num_subimages|
654 */
655
656 if (*ptr != '|')
657 return WPS_ERROR_INVALID_PARAM;
658
659 ptr++;
660
661 if (!(ptr = parse_list("ssdd", NULL, '|', ptr, &id, &filename, &x, &y)))
662 return WPS_ERROR_INVALID_PARAM;
663
664 /* Check there is a terminating | */
665 if (*ptr != '|')
666 return WPS_ERROR_INVALID_PARAM;
667
668 /* check the image number and load state */
669 if(find_image(*id, wps_data))
670 {
671 /* Invalid image ID */
672 return WPS_ERROR_INVALID_PARAM;
673 }
674 img = skin_buffer_alloc(sizeof(struct gui_img));
675 if (!img)
676 return WPS_ERROR_INVALID_PARAM;
677 /* save a pointer to the filename */
678 img->bm.data = (char*)filename;
679 img->label = *id;
680 img->x = x;
681 img->y = y;
682 img->num_subimages = 1;
683 img->always_display = false;
684
685 /* save current viewport */
686 img->vp = &curr_vp->vp;
687
688 if (token->type == WPS_TOKEN_IMAGE_DISPLAY)
689 {
690 img->always_display = true;
691 }
692 else
693 {
694 /* Parse the (optional) number of sub-images */
695 ptr++;
696 newline = strchr(ptr, '\n');
697 pos = strchr(ptr, '|');
698 if (pos && pos < newline)
699 img->num_subimages = atoi(ptr);
700
701 if (img->num_subimages <= 0)
702 return WPS_ERROR_INVALID_PARAM;
703 }
704 struct skin_token_list *item = new_skin_token_list_item(NULL, img);
705 if (!item)
706 return WPS_ERROR_INVALID_PARAM;
707 add_to_ll_chain(&wps_data->images, item);
708
709 /* Skip the rest of the line */
710 return skip_end_of_line(wps_bufptr);
711 }
712 struct skin_font {
713 int id; /* the id from font_load */
714 char *name; /* filename without path and extension */
715 };
716 static struct skin_font skinfonts[MAXUSERFONTS];
717 static int parse_font_load(const char *wps_bufptr,
718 struct wps_token *token, struct wps_data *wps_data)
719 {
720 (void)wps_data; (void)token;
721 const char *ptr = wps_bufptr;
722 int id;
723 char *filename;
724
725 if (*ptr != '|')
726 return WPS_ERROR_INVALID_PARAM;
727
728 ptr++;
729
730 if (!(ptr = parse_list("ds", NULL, '|', ptr, &id, &filename)))
731 return WPS_ERROR_INVALID_PARAM;
732
733 /* Check there is a terminating | */
734 if (*ptr != '|')
735 return WPS_ERROR_INVALID_PARAM;
736
737 if (id <= FONT_UI || id >= MAXFONTS-1)
738 return WPS_ERROR_INVALID_PARAM;
739 #if defined(DEBUG) || defined(SIMULATOR)
740 if (skinfonts[id-FONT_FIRSTUSERFONT].name != NULL)
741 {
742 DEBUGF("font id %d already being used\n", id);
743 }
744 #endif
745 /* make sure the filename contains .fnt,
746 * we dont actually use it, but require it anyway */
747 ptr = strchr(filename, '.');
748 if (!ptr || strncmp(ptr, ".fnt|", 5))
749 return WPS_ERROR_INVALID_PARAM;
750 skinfonts[id-FONT_FIRSTUSERFONT].id = -1;
751 skinfonts[id-FONT_FIRSTUSERFONT].name = filename;
752
753 return skip_end_of_line(wps_bufptr);
754 }
755
756
757 static int parse_viewport_display(const char *wps_bufptr,
758 struct wps_token *token,
759 struct wps_data *wps_data)
760 {
761 (void)wps_data;
762 char letter = wps_bufptr[0];
763
764 if (letter < 'a' || letter > 'z')
765 {
766 /* invalid viewport tag */
767 return WPS_ERROR_INVALID_PARAM;
768 }
769 token->value.i = letter;
770 return 1;
771 }
772
773 #ifdef HAVE_LCD_BITMAP
774 static int parse_playlistview_text(struct playlistviewer *viewer,
775 enum info_line_type line, char* text)
776 {
777 int cur_string = 0;
778 const struct wps_tag *tag;
779 int taglen = 0;
780 const char *start = text;
781 if (*text != '|')
782 return -1;
783 text++;
784 viewer->lines[line].count = 0;
785 viewer->lines[line].scroll = false;
786 while (*text != '|')
787 {
788 if (*text == '%') /* it is a token of some type */
789 {
790 text++;
791 taglen = 0;
792 switch(*text)
793 {
794 case '%':
795 case '<':
796 case '|':
797 case '>':
798 case ';':
799 case '#':
800 /* escaped characters */
801 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_CHARACTER;
802 viewer->lines[line].strings[cur_string][0] = *text;
803 viewer->lines[line].strings[cur_string++][1] = '\0';
804 text++;
805 break;
806 default:
807 for (tag = all_tags;
808 strncmp(text, tag->name, strlen(tag->name)) != 0;
809 tag++) ;
810 /* %s isnt stored as a tag so manually check for it */
811 if (tag->type == WPS_NO_TOKEN)
812 {
813 if (!strncmp(tag->name, "s", 1))
814 {
815 viewer->lines[line].scroll = true;
816 taglen = 1;
817 }
818 }
819 else if (tag->type == WPS_TOKEN_UNKNOWN)
820 {
821 int i = 0;
822 /* just copy the string */
823 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
824 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
825 {
826 viewer->lines[line].strings[cur_string][i] = text[i];
827 i++;
828 }
829 viewer->lines[line].strings[cur_string][i] = '\0';
830 cur_string++;
831 taglen = i;
832 }
833 else
834 {
835 if (tag->parse_func)
836 {
837 /* unsupported tag, reject */
838 return -1;
839 }
840 taglen = strlen(tag->name);
841 viewer->lines[line].tokens[viewer->lines[line].count++] = tag->type;
842 }
843 text += taglen;
844 }
845 }
846 else
847 {
848 /* regular string */
849 int i = 0;
850 /* just copy the string */
851 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
852 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
853 {
854 viewer->lines[line].strings[cur_string][i] = text[i];
855 i++;
856 }
857 viewer->lines[line].strings[cur_string][i] = '\0';
858 cur_string++;
859 text += i;
860 }
861 }
862 return text - start;
863 }
864
865
866 static int parse_playlistview(const char *wps_bufptr,
867 struct wps_token *token, struct wps_data *wps_data)
868 {
869 (void)wps_data;
870 /* %Vp|<use icons>|<start offset>|info line text|no info text| */
871 struct playlistviewer *viewer = skin_buffer_alloc(sizeof(struct playlistviewer));
872 char *ptr = strchr(wps_bufptr, '|');
873 int length;
874 if (!viewer || !ptr)
875 return WPS_ERROR_INVALID_PARAM;
876 viewer->vp = &curr_vp->vp;
877 viewer->show_icons = true;
878 viewer->start_offset = atoi(ptr+1);
879 token->value.data = (void*)viewer;
880 ptr = strchr(ptr+1, '|');
881 length = parse_playlistview_text(viewer, TRACK_HAS_INFO, ptr);
882 if (length < 0)
883 return WPS_ERROR_INVALID_PARAM;
884 length = parse_playlistview_text(viewer, TRACK_HAS_NO_INFO, ptr+length);
885 if (length < 0)
886 return WPS_ERROR_INVALID_PARAM;
887
888 return skip_end_of_line(wps_bufptr);
889 }
890 #endif
891
892 static int parse_viewport(const char *wps_bufptr,
893 struct wps_token *token,
894 struct wps_data *wps_data)
895 {
896 (void)token; /* Kill warnings */
897 const char *ptr = wps_bufptr;
898
899 struct skin_viewport *skin_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
900
901 /* check for the optional letter to signify its a hideable viewport */
902 /* %Vl|<label>|<rest of tags>| */
903 skin_vp->hidden_flags = 0;
904 skin_vp->label = VP_NO_LABEL;
905 skin_vp->lines = NULL;
906 if (curr_line)
907 {
908 curr_line->curr_subline->last_token_idx = wps_data->num_tokens
909 - (wps_data->num_tokens > 0 ? 1 : 0);
910 }
911
912 curr_line = NULL;
913 if (!skin_start_new_line(skin_vp, wps_data->num_tokens))
914 return WPS_ERROR_INVALID_PARAM;
915
916 if (*ptr == 'i')
917 {
918 skin_vp->label = VP_INFO_LABEL;
919 skin_vp->hidden_flags = VP_NEVER_VISIBLE;
920 ++ptr;
921 }
922 else if (*ptr == 'l')
923 {
924 if (*(ptr+1) == '|')
925 {
926 char label = *(ptr+2);
927 if (label >= 'a' && label <= 'z')
928 {
929 skin_vp->hidden_flags = VP_DRAW_HIDEABLE;
930 skin_vp->label = label;
931 }
932 else
933 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
934 ptr += 3;
935 }
936 }
937 if (*ptr != '|')
938 return WPS_ERROR_INVALID_PARAM;
939
940 ptr++;
941 struct viewport *vp = &skin_vp->vp;
942 /* format: %V|x|y|width|height|font|fg_pattern|bg_pattern| */
943 if (!(ptr = viewport_parse_viewport(vp, curr_screen, ptr, '|')))
944 return WPS_ERROR_INVALID_PARAM;
945
946 /* Check for trailing | */
947 if (*ptr != '|')
948 return WPS_ERROR_INVALID_PARAM;
949
950 if (follow_lang_direction && lang_is_rtl())
951 {
952 vp->flags |= VP_FLAG_ALIGN_RIGHT;
953 vp->x = screens[curr_screen].lcdwidth - vp->width - vp->x;
954 }
955 else
956 vp->flags &= ~VP_FLAG_ALIGN_RIGHT; /* ignore right-to-left languages */
957
958 struct skin_token_list *list = new_skin_token_list_item(NULL, skin_vp);
959 if (!list)
960 return WPS_ERROR_INVALID_PARAM;
961 add_to_ll_chain(&wps_data->viewports, list);
962 curr_vp = skin_vp;
963 /* Skip the rest of the line */
964 return skip_end_of_line(wps_bufptr);
965 }
966
967 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
968 static int parse_image_special(const char *wps_bufptr,
969 struct wps_token *token,
970 struct wps_data *wps_data)
971 {
972 (void)wps_data; /* kill warning */
973 (void)token;
974 const char *pos = NULL;
975 const char *newline;
976 bool error = false;
977
978 pos = strchr(wps_bufptr + 1, '|');
979 newline = strchr(wps_bufptr, '\n');
980
981 error = (pos > newline);
982
983 #if LCD_DEPTH > 1
984 if (token->type == WPS_TOKEN_IMAGE_BACKDROP)
985 {
986 /* format: %X|filename.bmp| or %Xd */
987 if (*(wps_bufptr) == 'd')
988 {
989 wps_data->backdrop = NULL;
990 return skip_end_of_line(wps_bufptr);
991 }
992 else if (!error)
993 wps_data->backdrop = (char*)wps_bufptr + 1;
994 }
995 #endif
996 if (error)
997 return WPS_ERROR_INVALID_PARAM;
998 /* Skip the rest of the line */
999 return skip_end_of_line(wps_bufptr);
1000 }
1001 #endif
1002
1003 #endif /* HAVE_LCD_BITMAP */
1004
1005 static int parse_setting_and_lang(const char *wps_bufptr,
1006 struct wps_token *token,
1007 struct wps_data *wps_data)
1008 {
1009 /* NOTE: both the string validations that happen in here will
1010 * automatically PASS on checkwps because its too hard to get
1011 * settings_list.c and englinsh.lang built for it.
1012 * If that ever changes remove the #ifndef __PCTOOL__'s here
1013 */
1014 (void)wps_data;
1015 const char *ptr = wps_bufptr;
1016 const char *end;
1017 int i = 0;
1018 char temp[64];
1019
1020 /* Find the setting's cfg_name */
1021 if (*ptr != '|')
1022 return WPS_ERROR_INVALID_PARAM;
1023 ptr++;
1024 end = strchr(ptr,'|');
1025 if (!end)
1026 return WPS_ERROR_INVALID_PARAM;
1027 strlcpy(temp, ptr,end-ptr+1);
1028
1029 if (token->type == WPS_TOKEN_TRANSLATEDSTRING)
1030 {
1031 #ifndef __PCTOOL__
1032 i = lang_english_to_id(temp);
1033 if (i < 0)
1034 return WPS_ERROR_INVALID_PARAM;
1035 #endif
1036 }
1037 else
1038 {
1039 /* Find the setting */
1040 for (i=0; i<nb_settings; i++)
1041 if (settings[i].cfg_name &&
1042 !strncmp(settings[i].cfg_name,ptr,end-ptr) &&
1043 /* prevent matches on cfg_name prefixes */
1044 strlen(settings[i].cfg_name)==(size_t)(end-ptr))
1045 break;
1046 #ifndef __PCTOOL__
1047 if (i == nb_settings)
1048 return WPS_ERROR_INVALID_PARAM;
1049 #endif
1050 }
1051 /* Store the setting number */
1052 token->value.i = i;
1053
1054 /* Skip the rest of the line */
1055 return end-ptr+2;
1056 }
1057
1058
1059 static int parse_dir_level(const char *wps_bufptr,
1060 struct wps_token *token,
1061 struct wps_data *wps_data)
1062 {
1063 char val[] = { *wps_bufptr, '\0' };
1064 token->value.i = atoi(val);
1065 (void)wps_data; /* Kill warnings */
1066 return 1;
1067 }
1068
1069 static int parse_timeout(const char *wps_bufptr,
1070 struct wps_token *token,
1071 struct wps_data *wps_data)
1072 {
1073 int skip = 0;
1074 int val = 0;
1075 bool have_point = false;
1076 bool have_tenth = false;
1077
1078 (void)wps_data; /* Kill the warning */
1079
1080 while ( isdigit(*wps_bufptr) || *wps_bufptr == '.' )
1081 {
1082 if (*wps_bufptr != '.')
1083 {
1084 val *= 10;
1085 val += *wps_bufptr - '0';
1086 if (have_point)
1087 {
1088 have_tenth = true;
1089 wps_bufptr++;
1090 skip++;
1091 break;
1092 }
1093 }
1094 else
1095 have_point = true;
1096
1097 wps_bufptr++;
1098 skip++;
1099 }
1100
1101 if (have_tenth == false)
1102 val *= 10;
1103
1104 if (val == 0 && skip == 0)
1105 {
1106 /* decide what to do if no value was specified */
1107 switch (token->type)
1108 {
1109 case WPS_TOKEN_SUBLINE_TIMEOUT:
1110 return -1;
1111 case WPS_TOKEN_BUTTON_VOLUME:
1112 case WPS_TOKEN_TRACK_STARTING:
1113 case WPS_TOKEN_TRACK_ENDING:
1114 val = 10;
1115 break;
1116 }
1117 }
1118 token->value.i = val;
1119
1120 return skip;
1121 }
1122
1123 static int parse_progressbar(const char *wps_bufptr,
1124 struct wps_token *token,
1125 struct wps_data *wps_data)
1126 {
1127 /* %pb or %pb|filename|x|y|width|height|
1128 using - for any of the params uses "sane" values */
1129 #ifdef HAVE_LCD_BITMAP
1130 enum {
1131 PB_FILENAME = 0,
1132 PB_X,
1133 PB_Y,
1134 PB_WIDTH,
1135 PB_HEIGHT
1136 };
1137 const char *filename;
1138 int x, y, height, width;
1139 uint32_t set = 0;
1140 const char *ptr = wps_bufptr;
1141 struct progressbar *pb = skin_buffer_alloc(sizeof(struct progressbar));
1142 struct skin_token_list *item = new_skin_token_list_item(token, pb);
1143
1144 if (!pb || !item)
1145 return WPS_ERROR_INVALID_PARAM;
1146
1147 struct viewport *vp = &curr_vp->vp;
1148 /* we need to know what line number (viewport relative) this pb is,
1149 * so count them... */
1150 int line_num = -1;
1151 struct skin_line *line = curr_vp->lines;
1152 while (line)
1153 {
1154 line_num++;
1155 line = line->next;
1156 }
1157 pb->vp = vp;
1158 pb->have_bitmap_pb = false;
1159 pb->bm.data = NULL; /* no bitmap specified */
1160 pb->follow_lang_direction = follow_lang_direction > 0;
1161 pb->draw = false;
1162
1163 if (*wps_bufptr != '|') /* regular old style */
1164 {
1165 pb->x = 0;
1166 pb->width = vp->width;
1167 pb->height = SYSFONT_HEIGHT-2;
1168 pb->y = -line_num - 1; /* Will be computed during the rendering */
1169 if (token->type == WPS_TOKEN_VOLUME)
1170 return 0; /* dont add it, let the regular token handling do the work */
1171 add_to_ll_chain(&wps_data->progressbars, item);
1172 return 0;
1173 }
1174 ptr = wps_bufptr + 1;
1175
1176 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
1177 &x, &y, &width, &height)))
1178 {
1179 /* if we are in a conditional then we probably don't want to fail
1180 * if the above doesnt work. so ASSume the | is breaking the conditional
1181 * and move on. the next token will fail if this is incorrect */
1182 if (level >= 0)
1183 return 0;
1184 return WPS_ERROR_INVALID_PARAM;
1185 }
1186
1187 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
1188 pb->bm.data = (char*)filename;
1189
1190 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
1191 pb->x = x;
1192 else
1193 pb->x = vp->x;
1194
1195 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
1196 {
1197 /* A zero width causes a divide-by-zero error later, so reject it */
1198 if (width == 0)
1199 return WPS_ERROR_INVALID_PARAM;
1200
1201 pb->width = width;
1202 }
1203 else
1204 pb->width = vp->width - pb->x;
1205
1206 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
1207 {
1208 /* A zero height makes no sense - reject it */
1209 if (height == 0)
1210 return WPS_ERROR_INVALID_PARAM;
1211
1212 pb->height = height;
1213 }
1214 else
1215 {
1216 if (vp->font > FONT_UI)
1217 pb->height = -1; /* calculate at display time */
1218 else
1219 {
1220 #ifndef __PCTOOL__
1221 pb->height = font_get(vp->font)->height;
1222 #else
1223 pb->height = 8;
1224 #endif
1225 }
1226 }
1227
1228 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
1229 pb->y = y;
1230 else
1231 pb->y = -line_num - 1; /* Will be computed during the rendering */
1232
1233 add_to_ll_chain(&wps_data->progressbars, item);
1234 if (token->type == WPS_TOKEN_VOLUME)
1235 token->type = WPS_TOKEN_VOLUMEBAR;
1236 pb->type = token->type;
1237
1238 return ptr+1-wps_bufptr;
1239 #else
1240 (void)wps_bufptr;
1241 if (token->type != WPS_TOKEN_VOLUME)
1242 {
1243 wps_data->full_line_progressbar =
1244 token->type == WPS_TOKEN_PLAYER_PROGRESSBAR;
1245 }
1246 return 0;
1247
1248 #endif
1249 }
1250
1251 #ifdef HAVE_ALBUMART
1252 static int parse_int(const char *newline, const char **_pos, int *num)
1253 {
1254 *_pos = parse_list("d", NULL, '|', *_pos, num);
1255
1256 return (!*_pos || *_pos > newline || **_pos != '|');
1257 }
1258
1259 static int parse_albumart_load(const char *wps_bufptr,
1260 struct wps_token *token,
1261 struct wps_data *wps_data)
1262 {
1263 const char *_pos, *newline;
1264 bool parsing;
1265 struct dim dimensions;
1266 int albumart_slot;
1267 bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
1268 struct skin_albumart *aa = skin_buffer_alloc(sizeof(struct skin_albumart));
1269 (void)token; /* silence warning */
1270 if (!aa)
1271 return skip_end_of_line(wps_bufptr);
1272
1273 /* reset albumart info in wps */
1274 aa->width = -1;
1275 aa->height = -1;
1276 aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1277 aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1278 aa->vp = &curr_vp->vp;
1279
1280 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
1281
1282 newline = strchr(wps_bufptr, '\n');
1283
1284 _pos = wps_bufptr;
1285
1286 if (*_pos != '|')
1287 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
1288
1289 ++_pos;
1290
1291 /* initial validation and parsing of x component */
1292 if (parse_int(newline, &_pos, &aa->x))
1293 return WPS_ERROR_INVALID_PARAM;
1294
1295 ++_pos;
1296
1297 /* initial validation and parsing of y component */
1298 if (parse_int(newline, &_pos, &aa->y))
1299 return WPS_ERROR_INVALID_PARAM;
1300
1301 /* parsing width field */
1302 parsing = true;
1303 while (parsing)
1304 {
1305 /* apply each modifier in turn */
1306 ++_pos;
1307 switch (*_pos)
1308 {
1309 case 'l':
1310 case 'L':
1311 case '+':
1312 if (swap_for_rtl)
1313 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1314 else
1315 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1316 break;
1317 case 'c':
1318 case 'C':
1319 aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
1320 break;
1321 case 'r':
1322 case 'R':
1323 case '-':
1324 if (swap_for_rtl)
1325 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1326 else
1327 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1328 break;
1329 case 'd':
1330 case 'D':
1331 case 'i':
1332 case 'I':
1333 case 's':
1334 case 'S':
1335 /* simply ignored */
1336 break;
1337 default:
1338 parsing = false;
1339 break;
1340 }
1341 }
1342 /* extract max width data */
1343 if (*_pos != '|')
1344 {
1345 if (parse_int(newline, &_pos, &aa->width))
1346 return WPS_ERROR_INVALID_PARAM;
1347 }
1348
1349 /* parsing height field */
1350 parsing = true;
1351 while (parsing)
1352 {
1353 /* apply each modifier in turn */
1354 ++_pos;
1355 switch (*_pos)
1356 {
1357 case 't':
1358 case 'T':
1359 case '-':
1360 aa->yalign = WPS_ALBUMART_ALIGN_TOP;
1361 break;
1362 case 'c':
1363 case 'C':
1364 aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
1365 break;
1366 case 'b':
1367 case 'B':
1368 case '+':
1369 aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1370 break;
1371 case 'd':
1372 case 'D':
1373 case 'i':
1374 case 'I':
1375 case 's':
1376 case 'S':
1377 /* simply ignored */
1378 break;
1379 default:
1380 parsing = false;
1381 break;
1382 }
1383 }
1384 /* extract max height data */
1385 if (*_pos != '|')
1386 {
1387 if (parse_int(newline, &_pos, &aa->height))
1388 return WPS_ERROR_INVALID_PARAM;
1389 }
1390
1391 /* if we got here, we parsed everything ok .. ! */
1392 if (aa->width < 0)
1393 aa->width = 0;
1394 else if (aa->width > LCD_WIDTH)
1395 aa->width = LCD_WIDTH;
1396
1397 if (aa->height < 0)
1398 aa->height = 0;
1399 else if (aa->height > LCD_HEIGHT)
1400 aa->height = LCD_HEIGHT;
1401
1402 if (swap_for_rtl)
1403 aa->x = LCD_WIDTH - (aa->x + aa->width);
1404
1405 aa->state = WPS_ALBUMART_LOAD;
1406 aa->draw = false;
1407 wps_data->albumart = aa;
1408
1409 dimensions.width = aa->width;
1410 dimensions.height = aa->height;
1411
1412 albumart_slot = playback_claim_aa_slot(&dimensions);
1413
1414 if (0 <= albumart_slot)
1415 wps_data->playback_aa_slot = albumart_slot;
1416
1417 /* Skip the rest of the line */
1418 return skip_end_of_line(wps_bufptr);
1419 }
1420
1421 static int parse_albumart_display(const char *wps_bufptr,
1422 struct wps_token *token,
1423 struct wps_data *wps_data)
1424 {
1425 (void)wps_bufptr;
1426 struct wps_token *prev = token-1;
1427 if ((wps_data->num_tokens >= 1) && (prev->type == WPS_TOKEN_CONDITIONAL))
1428 {
1429 token->type = WPS_TOKEN_ALBUMART_FOUND;
1430 }
1431 else if (wps_data->albumart)
1432 {
1433 wps_data->albumart->vp = &curr_vp->vp;
1434 }
1435 #if 0
1436 /* the old code did this so keep it here for now...
1437 * this is to allow the posibility to showing the next tracks AA! */
1438 if (wps_bufptr+1 == 'n')
1439 return 1;
1440 #endif
1441 return 0;
1442 };
1443 #endif /* HAVE_ALBUMART */
1444
1445 #ifdef HAVE_TOUCHSCREEN
1446
1447 struct touchaction {const char* s; int action;};
1448 static const struct touchaction touchactions[] = {
1449 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1450 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1451 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1452 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1453 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1454 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1455 {"playlist", ACTION_WPS_VIEW_PLAYLIST }, {"pitch", ACTION_WPS_PITCHSCREEN},
1456 {"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
1457 };
1458 static int parse_touchregion(const char *wps_bufptr,
1459 struct wps_token *token, struct wps_data *wps_data)
1460 {
1461 (void)token;
1462 unsigned i, imax;
1463 struct touchregion *region = NULL;
1464 const char *ptr = wps_bufptr;
1465 const char *action;
1466 const char pb_string[] = "progressbar";
1467 const char vol_string[] = "volume";
1468 int x,y,w,h;
1469
1470 /* format: %T|x|y|width|height|action|
1471 * if action starts with & the area must be held to happen
1472 * action is one of:
1473 * play - play/pause playback
1474 * stop - stop playback, exit the wps
1475 * prev - prev track
1476 * next - next track
1477 * ffwd - seek forward
1478 * rwd - seek backwards
1479 * menu - go back to the main menu
1480 * browse - go back to the file/db browser
1481 * shuffle - toggle shuffle mode
1482 * repmode - cycle the repeat mode
1483 * quickscreen - go into the quickscreen
1484 * contextmenu - open the context menu
1485 * playlist - go into the playlist
1486 * pitch - go into the pitchscreen
1487 * volup - increase volume by one step
1488 * voldown - decrease volume by one step
1489 */
1490
1491
1492 if (*ptr != '|')
1493 return WPS_ERROR_INVALID_PARAM;
1494 ptr++;
1495
1496 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1497 return WPS_ERROR_INVALID_PARAM;
1498
1499 /* Check there is a terminating | */
1500 if (*ptr != '|')
1501 return WPS_ERROR_INVALID_PARAM;
1502
1503 region = skin_buffer_alloc(sizeof(struct touchregion));
1504 if (!region)
1505 return WPS_ERROR_INVALID_PARAM;
1506
1507 /* should probably do some bounds checking here with the viewport... but later */
1508 region->action = ACTION_NONE;
1509 region->x = x;
1510 region->y = y;
1511 region->width = w;
1512 region->height = h;
1513 region->wvp = curr_vp;
1514 region->armed = false;
1515
1516 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1517 && *(action + sizeof(pb_string)-1) == '|')
1518 region->type = WPS_TOUCHREGION_SCROLLBAR;
1519 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1520 && *(action + sizeof(vol_string)-1) == '|')
1521 region->type = WPS_TOUCHREGION_VOLUME;
1522 else
1523 {
1524 region->type = WPS_TOUCHREGION_ACTION;
1525
1526 if (*action == '&')
1527 {
1528 action++;
1529 region->repeat = true;
1530 }
1531 else
1532 region->repeat = false;
1533
1534 i = 0;
1535 imax = ARRAYLEN(touchactions);
1536 while ((region->action == ACTION_NONE) &&
1537 (i < imax))
1538 {
1539 /* try to match with one of our touchregion screens */
1540 int len = strlen(touchactions[i].s);
1541 if (!strncmp(touchactions[i].s, action, len)
1542 && *(action+len) == '|')
1543 region->action = touchactions[i].action;
1544 i++;
1545 }
1546 if (region->action == ACTION_NONE)
1547 return WPS_ERROR_INVALID_PARAM;
1548 }
1549 struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1550 if (!item)
1551 return WPS_ERROR_INVALID_PARAM;
1552 add_to_ll_chain(&wps_data->touchregions, item);
1553 return skip_end_of_line(wps_bufptr);
1554 }
1555 #endif
1556
1557 /* Parse a generic token from the given string. Return the length read */
1558 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1559 {
1560 int skip = 0, taglen = 0, ret;
1561 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1562 const struct wps_tag *tag;
1563 memset(token, 0, sizeof(*token));
1564
1565 switch(*wps_bufptr)
1566 {
1567
1568 case '%':
1569 case '<':
1570 case '|':
1571 case '>':
1572 case ';':
1573 case '#':
1574 /* escaped characters */
1575 token->type = WPS_TOKEN_CHARACTER;
1576 token->value.c = *wps_bufptr;
1577 taglen = 1;
1578 wps_data->num_tokens++;
1579 break;
1580
1581 case '?':
1582 /* conditional tag */
1583 token->type = WPS_TOKEN_CONDITIONAL;
1584 level++;
1585 condindex[level] = wps_data->num_tokens;
1586 numoptions[level] = 1;
1587 wps_data->num_tokens++;
1588 ret = parse_token(wps_bufptr + 1, wps_data);
1589 if (ret < 0) return ret;
1590 taglen = 1 + ret;
1591 break;
1592
1593 default:
1594 /* find what tag we have */
1595 for (tag = all_tags;
1596 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1597 tag++) ;
1598
1599 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1600 token->type = tag->type;
1601 curr_line->curr_subline->line_type |= tag->refresh_type;
1602
1603 /* if the tag has a special parsing function, we call it */
1604 if (tag->parse_func)
1605 {
1606 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1607 if (ret < 0) return ret;
1608 skip += ret;
1609 }
1610
1611 /* Some tags we don't want to save as tokens */
1612 if (tag->type == WPS_NO_TOKEN)
1613 break;
1614
1615 /* tags that start with 'F', 'I' or 'D' are for the next file */
1616 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1617 *(tag->name) == 'D')
1618 token->next = true;
1619
1620 wps_data->num_tokens++;
1621 break;
1622 }
1623
1624 skip += taglen;
1625 return skip;
1626 }
1627
1628
1629 /*
1630 * Returns the number of bytes to skip the buf pointer to access the false
1631 * branch in a _binary_ conditional
1632 *
1633 * That is:
1634 * - before the '|' if we have a false branch, (%?<true|false> -> %?<|false>)
1635 * - or before the closing '>' if there's no false branch (%?<true> -> %?<>)
1636 *
1637 * depending on the features of a target it's not called from check_feature_tag,
1638 * hence the __attribute__ or it issues compiler warnings
1639 *
1640 **/
1641
1642 static int find_false_branch(const char *wps_bufptr) __attribute__((unused));
1643 static int find_false_branch(const char *wps_bufptr)
1644 {
1645 const char *buf = wps_bufptr;
1646 /* wps_bufptr is after the opening '<', hence level = 1*/
1647 int level = 1;
1648 char ch;
1649 do
1650 {
1651 ch = *buf;
1652 if (ch == '%')
1653 { /* filter out the characters we check later if they're printed
1654 * as literals */
1655 ch = *(++buf);
1656 if (ch == '<' || ch == '>' || ch == '|')
1657 continue;
1658 /* else: some tags/printed literals we skip over */
1659 }
1660 else if (ch == '<') /* nested conditional */
1661 level++;
1662 else if (ch == '>')
1663 { /* closed our or a nested conditional,
1664 * do NOT skip over the '>' so that wps_parse() sees it for closing
1665 * if it is the closing one for our conditional */
1666 level--;
1667 }
1668 else if (ch == '|' && level == 1)
1669 { /* we found our separator, point before and get out */
1670 break;
1671 }
1672 /* if level is 0, we don't have a false branch */
1673 } while (level > 0 && *(++buf));
1674
1675 return buf - wps_bufptr;
1676 }
1677
1678 /*
1679 * returns the number of bytes to get the appropriate branch of a binary
1680 * conditional
1681 *
1682 * That means:
1683 * - if a feature is available, it returns 0 to not skip anything
1684 * - if the feature is not available, skip to the false branch and don't
1685 * parse the true branch at all
1686 *
1687 * */
1688 static int check_feature_tag(const char *wps_bufptr, const int type)
1689 {
1690 (void)wps_bufptr;
1691 switch (type)
1692 {
1693 case WPS_TOKEN_RTC_PRESENT:
1694 #if CONFIG_RTC
1695 return 0;
1696 #else
1697 return find_false_branch(wps_bufptr);
1698 #endif
1699 case WPS_TOKEN_HAVE_RECORDING:
1700 #ifdef HAVE_RECORDING
1701 return 0;
1702 #else
1703 return find_false_branch(wps_bufptr);
1704 #endif
1705 default: /* not a tag we care about, just don't skip */
1706 return 0;
1707 }
1708 }
1709
1710
1711 /* Parses the WPS.
1712 data is the pointer to the structure where the parsed WPS should be stored.
1713 It is initialised.
1714 wps_bufptr points to the string containing the WPS tags */
1715 #define TOKEN_BLOCK_SIZE 128
1716 static bool wps_parse(struct wps_data *data, const char *wps_bufptr, bool debug)
1717 {
1718 if (!data || !wps_bufptr || !*wps_bufptr)
1719 return false;
1720 enum wps_parse_error fail = PARSE_OK;
1721 int ret;
1722 int max_tokens = TOKEN_BLOCK_SIZE;
1723 size_t buf_free = 0;
1724 line_number = 0;
1725 level = -1;
1726
1727 /* allocate enough RAM for a reasonable skin, grow as needed.
1728 * Free any used RAM before loading the images to be 100% RAM efficient */
1729 data->tokens = (struct wps_token *)skin_buffer_grab(&buf_free);
1730 if (sizeof(struct wps_token)*max_tokens >= buf_free)
1731 return false;
1732 skin_buffer_increment(max_tokens * sizeof(struct wps_token), false);
1733 data->num_tokens = 0;
1734
1735 #if LCD_DEPTH > 1
1736 /* Backdrop defaults to the setting unless %X is used, so set it now */
1737 if (global_settings.backdrop_file[0])
1738 {
1739 data->backdrop = "-";
1740 }
1741 #endif
1742
1743 while (*wps_bufptr && !fail)
1744 {
1745 if (follow_lang_direction)
1746 follow_lang_direction--;
1747 /* first make sure there is enough room for tokens */
1748 if (max_tokens <= data->num_tokens + 5)
1749 {
1750 int extra_tokens = TOKEN_BLOCK_SIZE;
1751 size_t needed = extra_tokens * sizeof(struct wps_token);
1752 /* do some smarts here to grow the array a bit */
1753 if (skin_buffer_freespace() < needed)
1754 {
1755 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1756 break;
1757 }
1758 skin_buffer_increment(needed, false);
1759 max_tokens += extra_tokens;
1760 }
1761
1762 switch(*wps_bufptr++)
1763 {
1764
1765 /* Regular tag */
1766 case '%':
1767 if ((ret = parse_token(wps_bufptr, data)) < 0)
1768 {
1769 fail = PARSE_FAIL_COND_INVALID_PARAM;
1770 break;
1771 }
1772 else if (level >= WPS_MAX_COND_LEVEL - 1)
1773 {
1774 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1775 break;
1776 }
1777 wps_bufptr += ret;
1778 break;
1779
1780 /* Alternating sublines separator */
1781 case ';':
1782 if (level >= 0) /* there are unclosed conditionals */
1783 {
1784 fail = PARSE_FAIL_UNCLOSED_COND;
1785 break;
1786 }
1787
1788 if (!skin_start_new_subline(curr_line, data->num_tokens))
1789 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1790
1791 break;
1792
1793 /* Conditional list start */
1794 case '<':
1795 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1796 {
1797 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1798 break;
1799 }
1800 wps_bufptr += check_feature_tag(wps_bufptr,
1801 data->tokens[data->num_tokens-1].type);
1802 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1803 lastcond[level] = data->num_tokens++;
1804 break;
1805
1806 /* Conditional list end */
1807 case '>':
1808 if (level < 0) /* not in a conditional, invalid char */
1809 {
1810 fail = PARSE_FAIL_INVALID_CHAR;
1811 break;
1812 }
1813
1814 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1815 if (lastcond[level])
1816 data->tokens[lastcond[level]].value.i = data->num_tokens;
1817 else
1818 {
1819 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1820 break;
1821 }
1822
1823 lastcond[level] = 0;
1824 data->num_tokens++;
1825 data->tokens[condindex[level]].value.i = numoptions[level];
1826 level--;
1827 break;
1828
1829 /* Conditional list option */
1830 case '|':
1831 if (level < 0) /* not in a conditional, invalid char */
1832 {
1833 fail = PARSE_FAIL_INVALID_CHAR;
1834 break;
1835 }
1836
1837 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1838 if (lastcond[level])
1839 data->tokens[lastcond[level]].value.i = data->num_tokens;
1840 else
1841 {
1842 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1843 break;
1844 }
1845
1846 lastcond[level] = data->num_tokens;
1847 numoptions[level]++;
1848 data->num_tokens++;
1849 break;
1850
1851 /* Comment */
1852 case '#':
1853 if (level >= 0) /* there are unclosed conditionals */
1854 {
1855 fail = PARSE_FAIL_UNCLOSED_COND;
1856 break;
1857 }
1858
1859 wps_bufptr += skip_end_of_line(wps_bufptr);
1860 break;
1861
1862 /* End of this line */
1863 case '\n':
1864 if (level >= 0) /* there are unclosed conditionals */
1865 {
1866 fail = PARSE_FAIL_UNCLOSED_COND;
1867 break;
1868 }
1869 /* add a new token for the \n so empty lines are correct */
1870 data->tokens[data->num_tokens].type = WPS_TOKEN_CHARACTER;
1871 data->tokens[data->num_tokens].value.c = '\n';
1872 data->tokens[data->num_tokens].next = false;
1873 data->num_tokens++;
1874
1875 if (!skin_start_new_line(curr_vp, data->num_tokens))
1876 {
1877 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1878 break;
1879 }
1880 line_number++;
1881
1882 break;
1883
1884 /* String */
1885 default:
1886 {
1887 unsigned int len = 1;
1888 const char *string_start = wps_bufptr - 1;
1889
1890 /* find the length of the string */
1891 while (*wps_bufptr && *wps_bufptr != '#' &&
1892 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1893 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1894 *wps_bufptr != '|' && *wps_bufptr != '\n')
1895 {
1896 wps_bufptr++;
1897 len++;
1898 }
1899
1900 /* look if we already have that string */
1901 char *str;
1902 bool found = false;
1903 struct skin_token_list *list = data->strings;
1904 while (list)
1905 {
1906 str = (char*)list->token->value.data;
1907 found = (strlen(str) == len &&
1908 strncmp(string_start, str, len) == 0);
1909 if (found)
1910 break; /* break here because the list item is
1911 used if its found */
1912 list = list->next;
1913 }
1914 /* If a matching string is found, found is true and i is
1915 the index of the string. If not, found is false */
1916
1917 if (!found)
1918 {
1919 /* new string */
1920 str = (char*)skin_buffer_alloc(len+1);
1921 if (!str)
1922 {
1923 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1924 break;
1925 }
1926 strlcpy(str, string_start, len+1);
1927 struct skin_token_list *item =
1928 new_skin_token_list_item(&data->tokens[data->num_tokens], str);
1929 if(!item)
1930 {
1931 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1932 break;
1933 }
1934 add_to_ll_chain(&data->strings, item);
1935 }
1936 else
1937 {
1938 /* another occurrence of an existing string */
1939 data->tokens[data->num_tokens].value.data = list->token->value.data;
1940 }
1941 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1942 data->num_tokens++;
1943 }
1944 break;
1945 }
1946 }
1947
1948 if (!fail && level >= 0) /* there are unclosed conditionals */
1949 fail = PARSE_FAIL_UNCLOSED_COND;
1950
1951 if (*wps_bufptr && !fail)
1952 /* one of the limits of the while loop was exceeded */
1953 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1954
1955 /* Success! */
1956 curr_line->curr_subline->last_token_idx = data->num_tokens;
1957 data->tokens[data->num_tokens++].type = WPS_NO_TOKEN;
1958 /* freeup unused tokens */
1959 skin_buffer_free_from_front(sizeof(struct wps_token)
1960 * (max_tokens - data->num_tokens));
1961
1962 #if defined(DEBUG) || defined(SIMULATOR)
1963 if (debug)
1964 {
1965 print_debug_info(data, fail, line_number);
1966 debug_skin_usage();
1967 }
1968 #else
1969 (void)debug;
1970 #endif
1971
1972 return (fail == 0);
1973 }
1974
1975
1976 /*
1977 * initial setup of wps_data; does reset everything
1978 * except fields which need to survive, i.e.
1979 *
1980 **/
1981 static void skin_data_reset(struct wps_data *wps_data)
1982 {
1983 #ifdef HAVE_LCD_BITMAP
1984 wps_data->images = NULL;
1985 wps_data->progressbars = NULL;
1986 #endif
1987 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1988 wps_data->backdrop = NULL;
1989 #endif
1990 #ifdef HAVE_TOUCHSCREEN
1991 wps_data->touchregions = NULL;
1992 #endif
1993 wps_data->viewports = NULL;
1994 wps_data->strings = NULL;
1995 #ifdef HAVE_ALBUMART
1996 wps_data->albumart = NULL;
1997 if (wps_data->playback_aa_slot >= 0)
1998 {
1999 playback_release_aa_slot(wps_data->playback_aa_slot);
2000 wps_data->playback_aa_slot = -1;
2001 }
2002 #endif
2003 wps_data->tokens = NULL;
2004 wps_data->num_tokens = 0;
2005
2006 #ifdef HAVE_LCD_BITMAP
2007 wps_data->peak_meter_enabled = false;
2008 wps_data->wps_sb_tag = false;
2009 wps_data->show_sb_on_wps = false;
2010 #else /* HAVE_LCD_CHARCELLS */
2011 /* progress bars */
2012 int i;
2013 for (i = 0; i < 8; i++)
2014 {
2015 wps_data->wps_progress_pat[i] = 0;
2016 }
2017 wps_data->full_line_progressbar = false;
2018 #endif
2019 wps_data->wps_loaded = false;
2020 }
2021
2022 #ifdef HAVE_LCD_BITMAP
2023 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
2024 {
2025 (void)wps_data; /* only needed for remote targets */
2026 char img_path[MAX_PATH];
2027 get_image_filename(bitmap->data, bmpdir,
2028 img_path, sizeof(img_path));
2029
2030 /* load the image */
2031 int format;
2032 #ifdef HAVE_REMOTE_LCD
2033 if (curr_screen == SCREEN_REMOTE)
2034 format = FORMAT_ANY|FORMAT_REMOTE;
2035 else
2036 #endif
2037 format = FORMAT_ANY|FORMAT_TRANSPARENT;
2038
2039 size_t max_buf;
2040 char* imgbuf = (char*)skin_buffer_grab(&max_buf);
2041 bitmap->data = imgbuf;
2042 int ret = read_bmp_file(img_path, bitmap, max_buf, format, NULL);
2043
2044 if (ret > 0)
2045 {
2046 skin_buffer_increment(ret, true);
2047 return true;
2048 }
2049 else
2050 {
2051 /* Abort if we can't load an image */
2052 DEBUGF("Couldn't load '%s'\n", img_path);
2053 return false;
2054 }
2055 }
2056
2057 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
2058 {
2059 struct skin_token_list *list;
2060 bool retval = true; /* return false if a single image failed to load */
2061 /* do the progressbars */
2062 list = wps_data->progressbars;
2063 while (list)
2064 {
2065 struct progressbar *pb = (struct progressbar*)list->token->value.data;
2066 if (pb->bm.data)
2067 {
2068 pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
2069 if (!pb->have_bitmap_pb) /* no success */
2070 retval = false;
2071 }
2072 list = list->next;
2073 }
2074 /* regular images */
2075 list = wps_data->images;
2076 while (list)
2077 {
2078 struct gui_img *img = (struct gui_img*)list->token->value.data;
2079 if (img->bm.data)
2080 {
2081 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
2082 if (img->loaded)
2083 img->subimage_height = img->bm.height / img->num_subimages;
2084 else
2085 retval = false;
2086 }
2087 list = list->next;
2088 }
2089
2090 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
2091 /* Backdrop load scheme:
2092 * 1) %X|filename|
2093 * 2) load the backdrop from settings
2094 */
2095 if (wps_data->backdrop)
2096 {
2097 bool needed = wps_data->backdrop[0] != '-';
2098 wps_data->backdrop = skin_backdrop_load(wps_data->backdrop,
2099 bmpdir, curr_screen);
2100 if (!wps_data->backdrop && needed)
2101 retval = false;
2102 }
2103 #endif /* has backdrop support */
2104
2105 return retval;
2106 }
2107
2108 static bool skin_load_fonts(struct wps_data *data)
2109 {
2110 /* don't spit out after the first failue to aid debugging */
2111 bool success = true;
2112 struct skin_token_list *vp_list;
2113 int font_id;
2114 /* walk though each viewport and assign its font */
2115 for(vp_list = data->viewports; vp_list; vp_list = vp_list->next)
2116 {
2117 /* first, find the viewports that have a non-sys/ui-font font */
2118 struct skin_viewport *skin_vp =
2119 (struct skin_viewport*)vp_list->token->value.data;
2120 struct viewport *vp = &skin_vp->vp;
2121
2122
2123 if (vp->font <= FONT_UI)
2124 { /* the usual case -> built-in fonts */
2125 #ifdef HAVE_REMOTE_LCD
2126 if (vp->font == FONT_UI)
2127 vp->font += curr_screen;
2128 #endif
2129 continue;
2130 }
2131 font_id = vp->font;
2132
2133 /* now find the corresponding skin_font */
2134 struct skin_font *font = &skinfonts[font_id-FONT_FIRSTUSERFONT];
2135 if (!font->name)
2136 {
2137 DEBUGF("font %d not specified\n", font_id);
2138 success = false;
2139 continue;
2140 }
2141
2142 /* load the font - will handle loading the same font again if
2143 * multiple viewports use the same */
2144 if (font->id < 0)
2145 {
2146 char *dot = strchr(font->name, '.');
2147 *dot = '\0';
2148 font->id = skin_font_load(font->name);
2149 }
2150
2151 if (font->id < 0)
2152 {
2153 DEBUGF("Unable to load font %d: '%s.fnt'\n",
2154 font_id, font->name);
2155 success = false;
2156 continue;
2157 }
2158
2159 /* finally, assign the font_id to the viewport */
2160 vp->font = font->id;
2161 }
2162 return success;
2163 }
2164
2165 #endif /* HAVE_LCD_BITMAP */
2166
2167 /* to setup up the wps-data from a format-buffer (isfile = false)
2168 from a (wps-)file (isfile = true)*/
2169 bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
2170 const char *buf, bool isfile)
2171 {
2172 char *wps_buffer = NULL;
2173 if (!wps_data || !buf)
2174 return false;
2175 #ifdef HAVE_ALBUMART
2176 int status;
2177 struct mp3entry *curtrack;
2178 long offset;
2179 struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
2180 if (wps_data->albumart)
2181 {
2182 old_aa.state = wps_data->albumart->state;
2183 old_aa.height = wps_data->albumart->height;
2184 old_aa.width = wps_data->albumart->width;
2185 }
2186 #endif
2187 #ifdef HAVE_LCD_BITMAP
2188 int i;
2189 for (i=0;i<MAXUSERFONTS;i++)
2190 {
2191 skinfonts[i].id = -1;
2192 skinfonts[i].name = NULL;
2193 }
2194 #endif
2195 #ifdef DEBUG_SKIN_ENGINE
2196 if (isfile && debug_wps)
2197 {
2198 DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
2199 }
2200 #endif
2201
2202 skin_data_reset(wps_data);
2203 wps_data->wps_loaded = false;
2204 curr_screen = screen;
2205
2206 /* alloc default viewport, will be fixed up later */
2207 curr_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
2208 if (!curr_vp)
2209 return false;
2210 struct skin_token_list *list = new_skin_token_list_item(NULL, curr_vp);
2211 if (!list)
2212 return false;
2213 add_to_ll_chain(&wps_data->viewports, list);
2214
2215
2216 /* Initialise the first (default) viewport */
2217 curr_vp->label = VP_DEFAULT_LABEL;
2218 curr_vp->hidden_flags = 0;
2219 curr_vp->lines = NULL;
2220
2221 viewport_set_defaults(&curr_vp->vp, screen);
2222 #ifdef HAVE_LCD_BITMAP
2223 curr_vp->vp.font = FONT_UI;
2224 #endif
2225
2226 curr_line = NULL;
2227 if (!skin_start_new_line(curr_vp, 0))
2228 return false;
2229
2230 if (isfile)
2231 {
2232 int fd = open_utf8(buf, O_RDONLY);
2233
2234 if (fd < 0)
2235 return false;
2236
2237 /* get buffer space from the plugin buffer */
2238 size_t buffersize = 0;
2239 wps_buffer = (char *)plugin_get_buffer(&buffersize);
2240
2241 if (!wps_buffer)
2242 return false;
2243
2244 /* copy the file's content to the buffer for parsing,
2245 ensuring that every line ends with a newline char. */
2246 unsigned int start = 0;
2247 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
2248 {
2249 start += strlen(wps_buffer + start);
2250 if (start < buffersize - 1)
2251 {
2252 wps_buffer[start++] = '\n';
2253 wps_buffer[start] = 0;
2254 }
2255 }
2256 close(fd);
2257 if (start <= 0)
2258 return false;
2259 }
2260 else
2261 {
2262 wps_buffer = (char*)buf;
2263 }
2264 /* parse the WPS source */
2265 if (!wps_parse(wps_data, wps_buffer, isfile)) {
2266 skin_data_reset(wps_data);
2267 return false;
2268 }
2269
2270 #ifdef HAVE_LCD_BITMAP
2271 char bmpdir[MAX_PATH];
2272 if (isfile)
2273 {
2274 /* get the bitmap dir */
2275 char *dot = strrchr(buf, '.');
2276 strlcpy(bmpdir, buf, dot - buf + 1);
2277 }
2278 else
2279 {
2280 snprintf(bmpdir, MAX_PATH, "%s", BACKDROP_DIR);
2281 }
2282 /* load the bitmaps that were found by the parsing */
2283 if (!load_skin_bitmaps(wps_data, bmpdir) ||
2284 !skin_load_fonts(wps_data))
2285 {
2286 skin_data_reset(wps_data);
2287 return false;
2288 }
2289 #endif
2290 #if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
2291 status = audio_status();
2292 if (status & AUDIO_STATUS_PLAY)
2293 {
2294 struct skin_albumart *aa = wps_data->albumart;
2295 if (aa && ((aa->state && !old_aa.state) ||
2296 (aa->state &&
2297 (((old_aa.height != aa->height) ||
2298 (old_aa.width != aa->width))))))
2299 {
2300 curtrack = audio_current_track();
2301 offset = curtrack->offset;
2302 audio_stop();
2303 if (!(status & AUDIO_STATUS_PAUSE))
2304 audio_play(offset);
2305 }
2306 }
2307 #endif
2308 wps_data->wps_loaded = true;
2309 #ifdef DEBUG_SKIN_ENGINE
2310 if (isfile && debug_wps)
2311 debug_skin_usage();
2312 #endif
2313 return true;
2314 }
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