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Use API call instead of accessing a global variable for receiving the current thread.
[kugel-rb.git] / apps / gui / skin_engine / skin_parser.c
blob7b09cfbe7284956c91003c792ec1251adf3632fe
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 break;
805 default:
806 for (tag = all_tags;
807 strncmp(text, tag->name, strlen(tag->name)) != 0;
808 tag++) ;
809 /* %s isnt stored as a tag so manually check for it */
810 if (tag->type == WPS_NO_TOKEN)
811 {
812 if (!strncmp(tag->name, "s", 1))
813 {
814 viewer->lines[line].scroll = true;
815 taglen = 1;
816 }
817 }
818 else if (tag->type == WPS_TOKEN_UNKNOWN)
819 {
820 int i = 0;
821 /* just copy the string */
822 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
823 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
824 {
825 viewer->lines[line].strings[cur_string][i] = text[i];
826 i++;
827 }
828 viewer->lines[line].strings[cur_string][i] = '\0';
829 cur_string++;
830 taglen = i;
831 }
832 else
833 {
834 if (tag->parse_func)
835 {
836 /* unsupported tag, reject */
837 return -1;
838 }
839 taglen = strlen(tag->name);
840 viewer->lines[line].tokens[viewer->lines[line].count++] = tag->type;
841 }
842 text += taglen;
843 }
844 }
845 else
846 {
847 /* regular string */
848 int i = 0;
849 /* just copy the string */
850 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
851 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
852 {
853 viewer->lines[line].strings[cur_string][i] = text[i];
854 i++;
855 }
856 viewer->lines[line].strings[cur_string][i] = '\0';
857 cur_string++;
858 text += i;
859 }
860 }
861 return text - start;
862 }
863
864
865 static int parse_playlistview(const char *wps_bufptr,
866 struct wps_token *token, struct wps_data *wps_data)
867 {
868 (void)wps_data;
869 /* %Vp|<use icons>|<start offset>|info line text|no info text| */
870 struct playlistviewer *viewer = skin_buffer_alloc(sizeof(struct playlistviewer));
871 char *ptr = strchr(wps_bufptr, '|');
872 int length;
873 if (!viewer || !ptr)
874 return WPS_ERROR_INVALID_PARAM;
875 viewer->vp = &curr_vp->vp;
876 viewer->show_icons = true;
877 viewer->start_offset = atoi(ptr+1);
878 token->value.data = (void*)viewer;
879 ptr = strchr(ptr+1, '|');
880 length = parse_playlistview_text(viewer, TRACK_HAS_INFO, ptr);
881 if (length < 0)
882 return WPS_ERROR_INVALID_PARAM;
883 length = parse_playlistview_text(viewer, TRACK_HAS_NO_INFO, ptr+length);
884 if (length < 0)
885 return WPS_ERROR_INVALID_PARAM;
886
887 return skip_end_of_line(wps_bufptr);
888 }
889 #endif
890
891 static int parse_viewport(const char *wps_bufptr,
892 struct wps_token *token,
893 struct wps_data *wps_data)
894 {
895 (void)token; /* Kill warnings */
896 const char *ptr = wps_bufptr;
897
898 struct skin_viewport *skin_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
899
900 /* check for the optional letter to signify its a hideable viewport */
901 /* %Vl|<label>|<rest of tags>| */
902 skin_vp->hidden_flags = 0;
903 skin_vp->label = VP_NO_LABEL;
904 skin_vp->lines = NULL;
905 if (curr_line)
906 {
907 curr_line->curr_subline->last_token_idx = wps_data->num_tokens
908 - (wps_data->num_tokens > 0 ? 1 : 0);
909 }
910
911 curr_line = NULL;
912 if (!skin_start_new_line(skin_vp, wps_data->num_tokens))
913 return WPS_ERROR_INVALID_PARAM;
914
915 if (*ptr == 'i')
916 {
917 skin_vp->label = VP_INFO_LABEL;
918 skin_vp->hidden_flags = VP_NEVER_VISIBLE;
919 ++ptr;
920 }
921 else if (*ptr == 'l')
922 {
923 if (*(ptr+1) == '|')
924 {
925 char label = *(ptr+2);
926 if (label >= 'a' && label <= 'z')
927 {
928 skin_vp->hidden_flags = VP_DRAW_HIDEABLE;
929 skin_vp->label = label;
930 }
931 else
932 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
933 ptr += 3;
934 }
935 }
936 if (*ptr != '|')
937 return WPS_ERROR_INVALID_PARAM;
938
939 ptr++;
940 struct viewport *vp = &skin_vp->vp;
941 /* format: %V|x|y|width|height|font|fg_pattern|bg_pattern| */
942 if (!(ptr = viewport_parse_viewport(vp, curr_screen, ptr, '|')))
943 return WPS_ERROR_INVALID_PARAM;
944
945 /* Check for trailing | */
946 if (*ptr != '|')
947 return WPS_ERROR_INVALID_PARAM;
948
949 if (follow_lang_direction && lang_is_rtl())
950 {
951 vp->flags |= VP_FLAG_ALIGN_RIGHT;
952 vp->x = screens[curr_screen].lcdwidth - vp->width - vp->x;
953 }
954 else
955 vp->flags &= ~VP_FLAG_ALIGN_RIGHT; /* ignore right-to-left languages */
956
957 struct skin_token_list *list = new_skin_token_list_item(NULL, skin_vp);
958 if (!list)
959 return WPS_ERROR_INVALID_PARAM;
960 add_to_ll_chain(&wps_data->viewports, list);
961 curr_vp = skin_vp;
962 /* Skip the rest of the line */
963 return skip_end_of_line(wps_bufptr);
964 }
965
966 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
967 static int parse_image_special(const char *wps_bufptr,
968 struct wps_token *token,
969 struct wps_data *wps_data)
970 {
971 (void)wps_data; /* kill warning */
972 (void)token;
973 const char *pos = NULL;
974 const char *newline;
975 bool error = false;
976
977 pos = strchr(wps_bufptr + 1, '|');
978 newline = strchr(wps_bufptr, '\n');
979
980 error = (pos > newline);
981
982 #if LCD_DEPTH > 1
983 if (token->type == WPS_TOKEN_IMAGE_BACKDROP)
984 {
985 /* format: %X|filename.bmp| or %Xd */
986 if (*(wps_bufptr) == 'd')
987 {
988 wps_data->backdrop = NULL;
989 return skip_end_of_line(wps_bufptr);
990 }
991 else if (!error)
992 wps_data->backdrop = (char*)wps_bufptr + 1;
993 }
994 #endif
995 if (error)
996 return WPS_ERROR_INVALID_PARAM;
997 /* Skip the rest of the line */
998 return skip_end_of_line(wps_bufptr);
999 }
1000 #endif
1001
1002 #endif /* HAVE_LCD_BITMAP */
1003
1004 static int parse_setting_and_lang(const char *wps_bufptr,
1005 struct wps_token *token,
1006 struct wps_data *wps_data)
1007 {
1008 /* NOTE: both the string validations that happen in here will
1009 * automatically PASS on checkwps because its too hard to get
1010 * settings_list.c and englinsh.lang built for it.
1011 * If that ever changes remove the #ifndef __PCTOOL__'s here
1012 */
1013 (void)wps_data;
1014 const char *ptr = wps_bufptr;
1015 const char *end;
1016 int i = 0;
1017 char temp[64];
1018
1019 /* Find the setting's cfg_name */
1020 if (*ptr != '|')
1021 return WPS_ERROR_INVALID_PARAM;
1022 ptr++;
1023 end = strchr(ptr,'|');
1024 if (!end)
1025 return WPS_ERROR_INVALID_PARAM;
1026 strlcpy(temp, ptr,end-ptr+1);
1027
1028 if (token->type == WPS_TOKEN_TRANSLATEDSTRING)
1029 {
1030 #ifndef __PCTOOL__
1031 i = lang_english_to_id(temp);
1032 if (i < 0)
1033 return WPS_ERROR_INVALID_PARAM;
1034 #endif
1035 }
1036 else
1037 {
1038 /* Find the setting */
1039 for (i=0; i<nb_settings; i++)
1040 if (settings[i].cfg_name &&
1041 !strncmp(settings[i].cfg_name,ptr,end-ptr) &&
1042 /* prevent matches on cfg_name prefixes */
1043 strlen(settings[i].cfg_name)==(size_t)(end-ptr))
1044 break;
1045 #ifndef __PCTOOL__
1046 if (i == nb_settings)
1047 return WPS_ERROR_INVALID_PARAM;
1048 #endif
1049 }
1050 /* Store the setting number */
1051 token->value.i = i;
1052
1053 /* Skip the rest of the line */
1054 return end-ptr+2;
1055 }
1056
1057
1058 static int parse_dir_level(const char *wps_bufptr,
1059 struct wps_token *token,
1060 struct wps_data *wps_data)
1061 {
1062 char val[] = { *wps_bufptr, '\0' };
1063 token->value.i = atoi(val);
1064 (void)wps_data; /* Kill warnings */
1065 return 1;
1066 }
1067
1068 static int parse_timeout(const char *wps_bufptr,
1069 struct wps_token *token,
1070 struct wps_data *wps_data)
1071 {
1072 int skip = 0;
1073 int val = 0;
1074 bool have_point = false;
1075 bool have_tenth = false;
1076
1077 (void)wps_data; /* Kill the warning */
1078
1079 while ( isdigit(*wps_bufptr) || *wps_bufptr == '.' )
1080 {
1081 if (*wps_bufptr != '.')
1082 {
1083 val *= 10;
1084 val += *wps_bufptr - '0';
1085 if (have_point)
1086 {
1087 have_tenth = true;
1088 wps_bufptr++;
1089 skip++;
1090 break;
1091 }
1092 }
1093 else
1094 have_point = true;
1095
1096 wps_bufptr++;
1097 skip++;
1098 }
1099
1100 if (have_tenth == false)
1101 val *= 10;
1102
1103 if (val == 0 && skip == 0)
1104 {
1105 /* decide what to do if no value was specified */
1106 switch (token->type)
1107 {
1108 case WPS_TOKEN_SUBLINE_TIMEOUT:
1109 return -1;
1110 case WPS_TOKEN_BUTTON_VOLUME:
1111 case WPS_TOKEN_TRACK_STARTING:
1112 case WPS_TOKEN_TRACK_ENDING:
1113 val = 10;
1114 break;
1115 }
1116 }
1117 token->value.i = val;
1118
1119 return skip;
1120 }
1121
1122 static int parse_progressbar(const char *wps_bufptr,
1123 struct wps_token *token,
1124 struct wps_data *wps_data)
1125 {
1126 /* %pb or %pb|filename|x|y|width|height|
1127 using - for any of the params uses "sane" values */
1128 #ifdef HAVE_LCD_BITMAP
1129 enum {
1130 PB_FILENAME = 0,
1131 PB_X,
1132 PB_Y,
1133 PB_WIDTH,
1134 PB_HEIGHT
1135 };
1136 const char *filename;
1137 int x, y, height, width;
1138 uint32_t set = 0;
1139 const char *ptr = wps_bufptr;
1140 struct progressbar *pb = skin_buffer_alloc(sizeof(struct progressbar));
1141 struct skin_token_list *item = new_skin_token_list_item(token, pb);
1142
1143 if (!pb || !item)
1144 return WPS_ERROR_INVALID_PARAM;
1145
1146 struct viewport *vp = &curr_vp->vp;
1147 /* we need to know what line number (viewport relative) this pb is,
1148 * so count them... */
1149 int line_num = -1;
1150 struct skin_line *line = curr_vp->lines;
1151 while (line)
1152 {
1153 line_num++;
1154 line = line->next;
1155 }
1156 pb->vp = vp;
1157 pb->have_bitmap_pb = false;
1158 pb->bm.data = NULL; /* no bitmap specified */
1159 pb->follow_lang_direction = follow_lang_direction > 0;
1160
1161 if (*wps_bufptr != '|') /* regular old style */
1162 {
1163 pb->x = 0;
1164 pb->width = vp->width;
1165 pb->height = SYSFONT_HEIGHT-2;
1166 pb->y = -line_num - 1; /* Will be computed during the rendering */
1167 if (token->type == WPS_TOKEN_VOLUME)
1168 return 0; /* dont add it, let the regular token handling do the work */
1169 add_to_ll_chain(&wps_data->progressbars, item);
1170 return 0;
1171 }
1172 ptr = wps_bufptr + 1;
1173
1174 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
1175 &x, &y, &width, &height)))
1176 return WPS_ERROR_INVALID_PARAM;
1177
1178 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
1179 pb->bm.data = (char*)filename;
1180
1181 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
1182 pb->x = x;
1183 else
1184 pb->x = vp->x;
1185
1186 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
1187 {
1188 /* A zero width causes a divide-by-zero error later, so reject it */
1189 if (width == 0)
1190 return WPS_ERROR_INVALID_PARAM;
1191
1192 pb->width = width;
1193 }
1194 else
1195 pb->width = vp->width - pb->x;
1196
1197 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
1198 {
1199 /* A zero height makes no sense - reject it */
1200 if (height == 0)
1201 return WPS_ERROR_INVALID_PARAM;
1202
1203 pb->height = height;
1204 }
1205 else
1206 {
1207 if (vp->font > FONT_UI)
1208 pb->height = -1; /* calculate at display time */
1209 else
1210 {
1211 #ifndef __PCTOOL__
1212 pb->height = font_get(vp->font)->height;
1213 #else
1214 pb->height = 8;
1215 #endif
1216 }
1217 }
1218
1219 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
1220 pb->y = y;
1221 else
1222 pb->y = -line_num - 1; /* Will be computed during the rendering */
1223
1224 add_to_ll_chain(&wps_data->progressbars, item);
1225 if (token->type == WPS_TOKEN_VOLUME)
1226 token->type = WPS_TOKEN_VOLUMEBAR;
1227 pb->type = token->type;
1228
1229 return ptr+1-wps_bufptr;
1230 #else
1231 (void)wps_bufptr;
1232 if (token->type != WPS_TOKEN_VOLUME)
1233 {
1234 wps_data->full_line_progressbar =
1235 token->type == WPS_TOKEN_PLAYER_PROGRESSBAR;
1236 }
1237 return 0;
1238
1239 #endif
1240 }
1241
1242 #ifdef HAVE_ALBUMART
1243 static int parse_int(const char *newline, const char **_pos, int *num)
1244 {
1245 *_pos = parse_list("d", NULL, '|', *_pos, num);
1246
1247 return (!*_pos || *_pos > newline || **_pos != '|');
1248 }
1249
1250 static int parse_albumart_load(const char *wps_bufptr,
1251 struct wps_token *token,
1252 struct wps_data *wps_data)
1253 {
1254 const char *_pos, *newline;
1255 bool parsing;
1256 struct dim dimensions;
1257 int albumart_slot;
1258 bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
1259 struct skin_albumart *aa = skin_buffer_alloc(sizeof(struct skin_albumart));
1260 (void)token; /* silence warning */
1261 if (!aa)
1262 return skip_end_of_line(wps_bufptr);
1263
1264 /* reset albumart info in wps */
1265 aa->width = -1;
1266 aa->height = -1;
1267 aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1268 aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1269 aa->vp = &curr_vp->vp;
1270
1271 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
1272
1273 newline = strchr(wps_bufptr, '\n');
1274
1275 _pos = wps_bufptr;
1276
1277 if (*_pos != '|')
1278 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
1279
1280 ++_pos;
1281
1282 /* initial validation and parsing of x component */
1283 if (parse_int(newline, &_pos, &aa->x))
1284 return WPS_ERROR_INVALID_PARAM;
1285
1286 ++_pos;
1287
1288 /* initial validation and parsing of y component */
1289 if (parse_int(newline, &_pos, &aa->y))
1290 return WPS_ERROR_INVALID_PARAM;
1291
1292 /* parsing width field */
1293 parsing = true;
1294 while (parsing)
1295 {
1296 /* apply each modifier in turn */
1297 ++_pos;
1298 switch (*_pos)
1299 {
1300 case 'l':
1301 case 'L':
1302 case '+':
1303 if (swap_for_rtl)
1304 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1305 else
1306 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1307 break;
1308 case 'c':
1309 case 'C':
1310 aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
1311 break;
1312 case 'r':
1313 case 'R':
1314 case '-':
1315 if (swap_for_rtl)
1316 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1317 else
1318 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1319 break;
1320 case 'd':
1321 case 'D':
1322 case 'i':
1323 case 'I':
1324 case 's':
1325 case 'S':
1326 /* simply ignored */
1327 break;
1328 default:
1329 parsing = false;
1330 break;
1331 }
1332 }
1333 /* extract max width data */
1334 if (*_pos != '|')
1335 {
1336 if (parse_int(newline, &_pos, &aa->width))
1337 return WPS_ERROR_INVALID_PARAM;
1338 }
1339
1340 /* parsing height field */
1341 parsing = true;
1342 while (parsing)
1343 {
1344 /* apply each modifier in turn */
1345 ++_pos;
1346 switch (*_pos)
1347 {
1348 case 't':
1349 case 'T':
1350 case '-':
1351 aa->yalign = WPS_ALBUMART_ALIGN_TOP;
1352 break;
1353 case 'c':
1354 case 'C':
1355 aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
1356 break;
1357 case 'b':
1358 case 'B':
1359 case '+':
1360 aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1361 break;
1362 case 'd':
1363 case 'D':
1364 case 'i':
1365 case 'I':
1366 case 's':
1367 case 'S':
1368 /* simply ignored */
1369 break;
1370 default:
1371 parsing = false;
1372 break;
1373 }
1374 }
1375 /* extract max height data */
1376 if (*_pos != '|')
1377 {
1378 if (parse_int(newline, &_pos, &aa->height))
1379 return WPS_ERROR_INVALID_PARAM;
1380 }
1381
1382 /* if we got here, we parsed everything ok .. ! */
1383 if (aa->width < 0)
1384 aa->width = 0;
1385 else if (aa->width > LCD_WIDTH)
1386 aa->width = LCD_WIDTH;
1387
1388 if (aa->height < 0)
1389 aa->height = 0;
1390 else if (aa->height > LCD_HEIGHT)
1391 aa->height = LCD_HEIGHT;
1392
1393 if (swap_for_rtl)
1394 aa->x = LCD_WIDTH - (aa->x + aa->width);
1395
1396 aa->state = WPS_ALBUMART_LOAD;
1397 aa->draw = false;
1398 wps_data->albumart = aa;
1399
1400 dimensions.width = aa->width;
1401 dimensions.height = aa->height;
1402
1403 albumart_slot = playback_claim_aa_slot(&dimensions);
1404
1405 if (0 <= albumart_slot)
1406 wps_data->playback_aa_slot = albumart_slot;
1407
1408 /* Skip the rest of the line */
1409 return skip_end_of_line(wps_bufptr);
1410 }
1411
1412 static int parse_albumart_display(const char *wps_bufptr,
1413 struct wps_token *token,
1414 struct wps_data *wps_data)
1415 {
1416 (void)wps_bufptr;
1417 struct wps_token *prev = token-1;
1418 if ((wps_data->num_tokens >= 1) && (prev->type == WPS_TOKEN_CONDITIONAL))
1419 {
1420 token->type = WPS_TOKEN_ALBUMART_FOUND;
1421 }
1422 else if (wps_data->albumart)
1423 {
1424 wps_data->albumart->vp = &curr_vp->vp;
1425 }
1426 #if 0
1427 /* the old code did this so keep it here for now...
1428 * this is to allow the posibility to showing the next tracks AA! */
1429 if (wps_bufptr+1 == 'n')
1430 return 1;
1431 #endif
1432 return 0;
1433 };
1434 #endif /* HAVE_ALBUMART */
1435
1436 #ifdef HAVE_TOUCHSCREEN
1437
1438 struct touchaction {const char* s; int action;};
1439 static const struct touchaction touchactions[] = {
1440 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1441 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1442 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1443 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1444 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1445 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1446 {"playlist", ACTION_WPS_VIEW_PLAYLIST }, {"pitch", ACTION_WPS_PITCHSCREEN},
1447 {"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
1448 };
1449 static int parse_touchregion(const char *wps_bufptr,
1450 struct wps_token *token, struct wps_data *wps_data)
1451 {
1452 (void)token;
1453 unsigned i, imax;
1454 struct touchregion *region = NULL;
1455 const char *ptr = wps_bufptr;
1456 const char *action;
1457 const char pb_string[] = "progressbar";
1458 const char vol_string[] = "volume";
1459 int x,y,w,h;
1460
1461 /* format: %T|x|y|width|height|action|
1462 * if action starts with & the area must be held to happen
1463 * action is one of:
1464 * play - play/pause playback
1465 * stop - stop playback, exit the wps
1466 * prev - prev track
1467 * next - next track
1468 * ffwd - seek forward
1469 * rwd - seek backwards
1470 * menu - go back to the main menu
1471 * browse - go back to the file/db browser
1472 * shuffle - toggle shuffle mode
1473 * repmode - cycle the repeat mode
1474 * quickscreen - go into the quickscreen
1475 * contextmenu - open the context menu
1476 * playlist - go into the playlist
1477 * pitch - go into the pitchscreen
1478 * volup - increase volume by one step
1479 * voldown - decrease volume by one step
1480 */
1481
1482
1483 if (*ptr != '|')
1484 return WPS_ERROR_INVALID_PARAM;
1485 ptr++;
1486
1487 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1488 return WPS_ERROR_INVALID_PARAM;
1489
1490 /* Check there is a terminating | */
1491 if (*ptr != '|')
1492 return WPS_ERROR_INVALID_PARAM;
1493
1494 region = skin_buffer_alloc(sizeof(struct touchregion));
1495 if (!region)
1496 return WPS_ERROR_INVALID_PARAM;
1497
1498 /* should probably do some bounds checking here with the viewport... but later */
1499 region->action = ACTION_NONE;
1500 region->x = x;
1501 region->y = y;
1502 region->width = w;
1503 region->height = h;
1504 region->wvp = curr_vp;
1505 region->armed = false;
1506
1507 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1508 && *(action + sizeof(pb_string)-1) == '|')
1509 region->type = WPS_TOUCHREGION_SCROLLBAR;
1510 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1511 && *(action + sizeof(vol_string)-1) == '|')
1512 region->type = WPS_TOUCHREGION_VOLUME;
1513 else
1514 {
1515 region->type = WPS_TOUCHREGION_ACTION;
1516
1517 if (*action == '&')
1518 {
1519 action++;
1520 region->repeat = true;
1521 }
1522 else
1523 region->repeat = false;
1524
1525 i = 0;
1526 imax = ARRAYLEN(touchactions);
1527 while ((region->action == ACTION_NONE) &&
1528 (i < imax))
1529 {
1530 /* try to match with one of our touchregion screens */
1531 int len = strlen(touchactions[i].s);
1532 if (!strncmp(touchactions[i].s, action, len)
1533 && *(action+len) == '|')
1534 region->action = touchactions[i].action;
1535 i++;
1536 }
1537 if (region->action == ACTION_NONE)
1538 return WPS_ERROR_INVALID_PARAM;
1539 }
1540 struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1541 if (!item)
1542 return WPS_ERROR_INVALID_PARAM;
1543 add_to_ll_chain(&wps_data->touchregions, item);
1544 return skip_end_of_line(wps_bufptr);
1545 }
1546 #endif
1547
1548 /* Parse a generic token from the given string. Return the length read */
1549 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1550 {
1551 int skip = 0, taglen = 0, ret;
1552 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1553 const struct wps_tag *tag;
1554 memset(token, 0, sizeof(*token));
1555
1556 switch(*wps_bufptr)
1557 {
1558
1559 case '%':
1560 case '<':
1561 case '|':
1562 case '>':
1563 case ';':
1564 case '#':
1565 /* escaped characters */
1566 token->type = WPS_TOKEN_CHARACTER;
1567 token->value.c = *wps_bufptr;
1568 taglen = 1;
1569 wps_data->num_tokens++;
1570 break;
1571
1572 case '?':
1573 /* conditional tag */
1574 token->type = WPS_TOKEN_CONDITIONAL;
1575 level++;
1576 condindex[level] = wps_data->num_tokens;
1577 numoptions[level] = 1;
1578 wps_data->num_tokens++;
1579 ret = parse_token(wps_bufptr + 1, wps_data);
1580 if (ret < 0) return ret;
1581 taglen = 1 + ret;
1582 break;
1583
1584 default:
1585 /* find what tag we have */
1586 for (tag = all_tags;
1587 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1588 tag++) ;
1589
1590 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1591 token->type = tag->type;
1592 curr_line->curr_subline->line_type |= tag->refresh_type;
1593
1594 /* if the tag has a special parsing function, we call it */
1595 if (tag->parse_func)
1596 {
1597 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1598 if (ret < 0) return ret;
1599 skip += ret;
1600 }
1601
1602 /* Some tags we don't want to save as tokens */
1603 if (tag->type == WPS_NO_TOKEN)
1604 break;
1605
1606 /* tags that start with 'F', 'I' or 'D' are for the next file */
1607 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1608 *(tag->name) == 'D')
1609 token->next = true;
1610
1611 wps_data->num_tokens++;
1612 break;
1613 }
1614
1615 skip += taglen;
1616 return skip;
1617 }
1618
1619
1620 /*
1621 * Returns the number of bytes to skip the buf pointer to access the false
1622 * branch in a _binary_ conditional
1623 *
1624 * That is:
1625 * - before the '|' if we have a false branch, (%?<true|false> -> %?<|false>)
1626 * - or before the closing '>' if there's no false branch (%?<true> -> %?<>)
1627 *
1628 * depending on the features of a target it's not called from check_feature_tag,
1629 * hence the __attribute__ or it issues compiler warnings
1630 *
1631 **/
1632
1633 static int find_false_branch(const char *wps_bufptr) __attribute__((unused));
1634 static int find_false_branch(const char *wps_bufptr)
1635 {
1636 const char *buf = wps_bufptr;
1637 /* wps_bufptr is after the opening '<', hence level = 1*/
1638 int level = 1;
1639 char ch;
1640 do
1641 {
1642 ch = *buf;
1643 if (ch == '%')
1644 { /* filter out the characters we check later if they're printed
1645 * as literals */
1646 ch = *(++buf);
1647 if (ch == '<' || ch == '>' || ch == '|')
1648 continue;
1649 /* else: some tags/printed literals we skip over */
1650 }
1651 else if (ch == '<') /* nested conditional */
1652 level++;
1653 else if (ch == '>')
1654 { /* closed our or a nested conditional,
1655 * do NOT skip over the '>' so that wps_parse() sees it for closing
1656 * if it is the closing one for our conditional */
1657 level--;
1658 }
1659 else if (ch == '|' && level == 1)
1660 { /* we found our separator, point before and get out */
1661 break;
1662 }
1663 /* if level is 0, we don't have a false branch */
1664 } while (level > 0 && *(++buf));
1665
1666 return buf - wps_bufptr;
1667 }
1668
1669 /*
1670 * returns the number of bytes to get the appropriate branch of a binary
1671 * conditional
1672 *
1673 * That means:
1674 * - if a feature is available, it returns 0 to not skip anything
1675 * - if the feature is not available, skip to the false branch and don't
1676 * parse the true branch at all
1677 *
1678 * */
1679 static int check_feature_tag(const char *wps_bufptr, const int type)
1680 {
1681 (void)wps_bufptr;
1682 switch (type)
1683 {
1684 case WPS_TOKEN_RTC_PRESENT:
1685 #if CONFIG_RTC
1686 return 0;
1687 #else
1688 return find_false_branch(wps_bufptr);
1689 #endif
1690 case WPS_TOKEN_HAVE_RECORDING:
1691 #ifdef HAVE_RECORDING
1692 return 0;
1693 #else
1694 return find_false_branch(wps_bufptr);
1695 #endif
1696 default: /* not a tag we care about, just don't skip */
1697 return 0;
1698 }
1699 }
1700
1701
1702 /* Parses the WPS.
1703 data is the pointer to the structure where the parsed WPS should be stored.
1704 It is initialised.
1705 wps_bufptr points to the string containing the WPS tags */
1706 #define TOKEN_BLOCK_SIZE 128
1707 static bool wps_parse(struct wps_data *data, const char *wps_bufptr, bool debug)
1708 {
1709 if (!data || !wps_bufptr || !*wps_bufptr)
1710 return false;
1711 enum wps_parse_error fail = PARSE_OK;
1712 int ret;
1713 int max_tokens = TOKEN_BLOCK_SIZE;
1714 size_t buf_free = 0;
1715 line_number = 0;
1716 level = -1;
1717
1718 /* allocate enough RAM for a reasonable skin, grow as needed.
1719 * Free any used RAM before loading the images to be 100% RAM efficient */
1720 data->tokens = (struct wps_token *)skin_buffer_grab(&buf_free);
1721 if (sizeof(struct wps_token)*max_tokens >= buf_free)
1722 return false;
1723 skin_buffer_increment(max_tokens * sizeof(struct wps_token), false);
1724 data->num_tokens = 0;
1725
1726 #if LCD_DEPTH > 1
1727 /* Backdrop defaults to the setting unless %X is used, so set it now */
1728 if (global_settings.backdrop_file[0])
1729 {
1730 data->backdrop = "-";
1731 }
1732 #endif
1733
1734 while (*wps_bufptr && !fail)
1735 {
1736 if (follow_lang_direction)
1737 follow_lang_direction--;
1738 /* first make sure there is enough room for tokens */
1739 if (max_tokens <= data->num_tokens + 5)
1740 {
1741 int extra_tokens = TOKEN_BLOCK_SIZE;
1742 size_t needed = extra_tokens * sizeof(struct wps_token);
1743 /* do some smarts here to grow the array a bit */
1744 if (skin_buffer_freespace() < needed)
1745 {
1746 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1747 break;
1748 }
1749 skin_buffer_increment(needed, false);
1750 max_tokens += extra_tokens;
1751 }
1752
1753 switch(*wps_bufptr++)
1754 {
1755
1756 /* Regular tag */
1757 case '%':
1758 if ((ret = parse_token(wps_bufptr, data)) < 0)
1759 {
1760 fail = PARSE_FAIL_COND_INVALID_PARAM;
1761 break;
1762 }
1763 else if (level >= WPS_MAX_COND_LEVEL - 1)
1764 {
1765 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1766 break;
1767 }
1768 wps_bufptr += ret;
1769 break;
1770
1771 /* Alternating sublines separator */
1772 case ';':
1773 if (level >= 0) /* there are unclosed conditionals */
1774 {
1775 fail = PARSE_FAIL_UNCLOSED_COND;
1776 break;
1777 }
1778
1779 if (!skin_start_new_subline(curr_line, data->num_tokens))
1780 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1781
1782 break;
1783
1784 /* Conditional list start */
1785 case '<':
1786 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1787 {
1788 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1789 break;
1790 }
1791 wps_bufptr += check_feature_tag(wps_bufptr,
1792 data->tokens[data->num_tokens-1].type);
1793 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1794 lastcond[level] = data->num_tokens++;
1795 break;
1796
1797 /* Conditional list end */
1798 case '>':
1799 if (level < 0) /* not in a conditional, invalid char */
1800 {
1801 fail = PARSE_FAIL_INVALID_CHAR;
1802 break;
1803 }
1804
1805 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1806 if (lastcond[level])
1807 data->tokens[lastcond[level]].value.i = data->num_tokens;
1808 else
1809 {
1810 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1811 break;
1812 }
1813
1814 lastcond[level] = 0;
1815 data->num_tokens++;
1816 data->tokens[condindex[level]].value.i = numoptions[level];
1817 level--;
1818 break;
1819
1820 /* Conditional list option */
1821 case '|':
1822 if (level < 0) /* not in a conditional, invalid char */
1823 {
1824 fail = PARSE_FAIL_INVALID_CHAR;
1825 break;
1826 }
1827
1828 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1829 if (lastcond[level])
1830 data->tokens[lastcond[level]].value.i = data->num_tokens;
1831 else
1832 {
1833 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1834 break;
1835 }
1836
1837 lastcond[level] = data->num_tokens;
1838 numoptions[level]++;
1839 data->num_tokens++;
1840 break;
1841
1842 /* Comment */
1843 case '#':
1844 if (level >= 0) /* there are unclosed conditionals */
1845 {
1846 fail = PARSE_FAIL_UNCLOSED_COND;
1847 break;
1848 }
1849
1850 wps_bufptr += skip_end_of_line(wps_bufptr);
1851 break;
1852
1853 /* End of this line */
1854 case '\n':
1855 if (level >= 0) /* there are unclosed conditionals */
1856 {
1857 fail = PARSE_FAIL_UNCLOSED_COND;
1858 break;
1859 }
1860 /* add a new token for the \n so empty lines are correct */
1861 data->tokens[data->num_tokens].type = WPS_TOKEN_CHARACTER;
1862 data->tokens[data->num_tokens].value.c = '\n';
1863 data->tokens[data->num_tokens].next = false;
1864 data->num_tokens++;
1865
1866 if (!skin_start_new_line(curr_vp, data->num_tokens))
1867 {
1868 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1869 break;
1870 }
1871 line_number++;
1872
1873 break;
1874
1875 /* String */
1876 default:
1877 {
1878 unsigned int len = 1;
1879 const char *string_start = wps_bufptr - 1;
1880
1881 /* find the length of the string */
1882 while (*wps_bufptr && *wps_bufptr != '#' &&
1883 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1884 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1885 *wps_bufptr != '|' && *wps_bufptr != '\n')
1886 {
1887 wps_bufptr++;
1888 len++;
1889 }
1890
1891 /* look if we already have that string */
1892 char *str;
1893 bool found = false;
1894 struct skin_token_list *list = data->strings;
1895 while (list)
1896 {
1897 str = (char*)list->token->value.data;
1898 found = (strlen(str) == len &&
1899 strncmp(string_start, str, len) == 0);
1900 if (found)
1901 break; /* break here because the list item is
1902 used if its found */
1903 list = list->next;
1904 }
1905 /* If a matching string is found, found is true and i is
1906 the index of the string. If not, found is false */
1907
1908 if (!found)
1909 {
1910 /* new string */
1911 str = (char*)skin_buffer_alloc(len+1);
1912 if (!str)
1913 {
1914 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1915 break;
1916 }
1917 strlcpy(str, string_start, len+1);
1918 struct skin_token_list *item =
1919 new_skin_token_list_item(&data->tokens[data->num_tokens], str);
1920 if(!item)
1921 {
1922 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1923 break;
1924 }
1925 add_to_ll_chain(&data->strings, item);
1926 }
1927 else
1928 {
1929 /* another occurrence of an existing string */
1930 data->tokens[data->num_tokens].value.data = list->token->value.data;
1931 }
1932 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1933 data->num_tokens++;
1934 }
1935 break;
1936 }
1937 }
1938
1939 if (!fail && level >= 0) /* there are unclosed conditionals */
1940 fail = PARSE_FAIL_UNCLOSED_COND;
1941
1942 if (*wps_bufptr && !fail)
1943 /* one of the limits of the while loop was exceeded */
1944 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1945
1946 /* Success! */
1947 curr_line->curr_subline->last_token_idx = data->num_tokens;
1948 data->tokens[data->num_tokens++].type = WPS_NO_TOKEN;
1949 /* freeup unused tokens */
1950 skin_buffer_free_from_front(sizeof(struct wps_token)
1951 * (max_tokens - data->num_tokens));
1952
1953 #if defined(DEBUG) || defined(SIMULATOR)
1954 if (debug)
1955 {
1956 print_debug_info(data, fail, line_number);
1957 debug_skin_usage();
1958 }
1959 #else
1960 (void)debug;
1961 #endif
1962
1963 return (fail == 0);
1964 }
1965
1966
1967 /*
1968 * initial setup of wps_data; does reset everything
1969 * except fields which need to survive, i.e.
1970 *
1971 **/
1972 static void skin_data_reset(struct wps_data *wps_data)
1973 {
1974 #ifdef HAVE_LCD_BITMAP
1975 wps_data->images = NULL;
1976 wps_data->progressbars = NULL;
1977 #endif
1978 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1979 wps_data->backdrop = NULL;
1980 #endif
1981 #ifdef HAVE_TOUCHSCREEN
1982 wps_data->touchregions = NULL;
1983 #endif
1984 wps_data->viewports = NULL;
1985 wps_data->strings = NULL;
1986 #ifdef HAVE_ALBUMART
1987 wps_data->albumart = NULL;
1988 if (wps_data->playback_aa_slot >= 0)
1989 {
1990 playback_release_aa_slot(wps_data->playback_aa_slot);
1991 wps_data->playback_aa_slot = -1;
1992 }
1993 #endif
1994 wps_data->tokens = NULL;
1995 wps_data->num_tokens = 0;
1996
1997 #ifdef HAVE_LCD_BITMAP
1998 wps_data->peak_meter_enabled = false;
1999 wps_data->wps_sb_tag = false;
2000 wps_data->show_sb_on_wps = false;
2001 #else /* HAVE_LCD_CHARCELLS */
2002 /* progress bars */
2003 int i;
2004 for (i = 0; i < 8; i++)
2005 {
2006 wps_data->wps_progress_pat[i] = 0;
2007 }
2008 wps_data->full_line_progressbar = false;
2009 #endif
2010 wps_data->wps_loaded = false;
2011 }
2012
2013 #ifdef HAVE_LCD_BITMAP
2014 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
2015 {
2016 (void)wps_data; /* only needed for remote targets */
2017 char img_path[MAX_PATH];
2018 get_image_filename(bitmap->data, bmpdir,
2019 img_path, sizeof(img_path));
2020
2021 /* load the image */
2022 int format;
2023 #ifdef HAVE_REMOTE_LCD
2024 if (curr_screen == SCREEN_REMOTE)
2025 format = FORMAT_ANY|FORMAT_REMOTE;
2026 else
2027 #endif
2028 format = FORMAT_ANY|FORMAT_TRANSPARENT;
2029
2030 size_t max_buf;
2031 char* imgbuf = (char*)skin_buffer_grab(&max_buf);
2032 bitmap->data = imgbuf;
2033 int ret = read_bmp_file(img_path, bitmap, max_buf, format, NULL);
2034
2035 if (ret > 0)
2036 {
2037 skin_buffer_increment(ret, true);
2038 return true;
2039 }
2040 else
2041 {
2042 /* Abort if we can't load an image */
2043 DEBUGF("Couldn't load '%s'\n", img_path);
2044 return false;
2045 }
2046 }
2047
2048 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
2049 {
2050 struct skin_token_list *list;
2051 bool retval = true; /* return false if a single image failed to load */
2052 /* do the progressbars */
2053 list = wps_data->progressbars;
2054 while (list)
2055 {
2056 struct progressbar *pb = (struct progressbar*)list->token->value.data;
2057 if (pb->bm.data)
2058 {
2059 pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
2060 if (!pb->have_bitmap_pb) /* no success */
2061 retval = false;
2062 }
2063 list = list->next;
2064 }
2065 /* regular images */
2066 list = wps_data->images;
2067 while (list)
2068 {
2069 struct gui_img *img = (struct gui_img*)list->token->value.data;
2070 if (img->bm.data)
2071 {
2072 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
2073 if (img->loaded)
2074 img->subimage_height = img->bm.height / img->num_subimages;
2075 else
2076 retval = false;
2077 }
2078 list = list->next;
2079 }
2080
2081 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
2082 /* Backdrop load scheme:
2083 * 1) %X|filename|
2084 * 2) load the backdrop from settings
2085 */
2086 if (wps_data->backdrop)
2087 {
2088 bool needed = wps_data->backdrop[0] != '-';
2089 wps_data->backdrop = skin_backdrop_load(wps_data->backdrop,
2090 bmpdir, curr_screen);
2091 if (!wps_data->backdrop && needed)
2092 retval = false;
2093 }
2094 #endif /* has backdrop support */
2095
2096 return retval;
2097 }
2098
2099 static bool skin_load_fonts(struct wps_data *data)
2100 {
2101 /* don't spit out after the first failue to aid debugging */
2102 bool success = true;
2103 struct skin_token_list *vp_list;
2104 int font_id;
2105 /* walk though each viewport and assign its font */
2106 for(vp_list = data->viewports; vp_list; vp_list = vp_list->next)
2107 {
2108 /* first, find the viewports that have a non-sys/ui-font font */
2109 struct skin_viewport *skin_vp =
2110 (struct skin_viewport*)vp_list->token->value.data;
2111 struct viewport *vp = &skin_vp->vp;
2112
2113
2114 if (vp->font <= FONT_UI)
2115 { /* the usual case -> built-in fonts */
2116 #ifdef HAVE_REMOTE_LCD
2117 if (vp->font == FONT_UI)
2118 vp->font += curr_screen;
2119 #endif
2120 continue;
2121 }
2122 font_id = vp->font;
2123
2124 /* now find the corresponding skin_font */
2125 struct skin_font *font = &skinfonts[font_id-FONT_FIRSTUSERFONT];
2126 if (!font->name)
2127 {
2128 DEBUGF("font %d not specified\n", font_id);
2129 success = false;
2130 continue;
2131 }
2132
2133 /* load the font - will handle loading the same font again if
2134 * multiple viewports use the same */
2135 if (font->id < 0)
2136 {
2137 char *dot = strchr(font->name, '.');
2138 *dot = '\0';
2139 font->id = skin_font_load(font->name);
2140 }
2141
2142 if (font->id < 0)
2143 {
2144 DEBUGF("Unable to load font %d: '%s.fnt'\n",
2145 font_id, font->name);
2146 success = false;
2147 continue;
2148 }
2149
2150 /* finally, assign the font_id to the viewport */
2151 vp->font = font->id;
2152 }
2153 return success;
2154 }
2155
2156 #endif /* HAVE_LCD_BITMAP */
2157
2158 /* to setup up the wps-data from a format-buffer (isfile = false)
2159 from a (wps-)file (isfile = true)*/
2160 bool skin_data_load(enum screen_type screen, struct wps_data *wps_data,
2161 const char *buf, bool isfile)
2162 {
2163 char *wps_buffer = NULL;
2164 if (!wps_data || !buf)
2165 return false;
2166 #ifdef HAVE_ALBUMART
2167 int status;
2168 struct mp3entry *curtrack;
2169 long offset;
2170 struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
2171 if (wps_data->albumart)
2172 {
2173 old_aa.state = wps_data->albumart->state;
2174 old_aa.height = wps_data->albumart->height;
2175 old_aa.width = wps_data->albumart->width;
2176 }
2177 #endif
2178 #ifdef HAVE_LCD_BITMAP
2179 int i;
2180 for (i=0;i<MAXUSERFONTS;i++)
2181 {
2182 skinfonts[i].id = -1;
2183 skinfonts[i].name = NULL;
2184 }
2185 #endif
2186 #ifdef DEBUG_SKIN_ENGINE
2187 if (isfile && debug_wps)
2188 {
2189 DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
2190 }
2191 #endif
2192
2193 skin_data_reset(wps_data);
2194 wps_data->wps_loaded = false;
2195 curr_screen = screen;
2196
2197 /* alloc default viewport, will be fixed up later */
2198 curr_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
2199 if (!curr_vp)
2200 return false;
2201 struct skin_token_list *list = new_skin_token_list_item(NULL, curr_vp);
2202 if (!list)
2203 return false;
2204 add_to_ll_chain(&wps_data->viewports, list);
2205
2206
2207 /* Initialise the first (default) viewport */
2208 curr_vp->label = VP_DEFAULT_LABEL;
2209 curr_vp->hidden_flags = 0;
2210 curr_vp->lines = NULL;
2211
2212 viewport_set_defaults(&curr_vp->vp, screen);
2213 #ifdef HAVE_LCD_BITMAP
2214 curr_vp->vp.font = FONT_UI;
2215 #endif
2216
2217 curr_line = NULL;
2218 if (!skin_start_new_line(curr_vp, 0))
2219 return false;
2220
2221 if (isfile)
2222 {
2223 int fd = open_utf8(buf, O_RDONLY);
2224
2225 if (fd < 0)
2226 return false;
2227
2228 /* get buffer space from the plugin buffer */
2229 size_t buffersize = 0;
2230 wps_buffer = (char *)plugin_get_buffer(&buffersize);
2231
2232 if (!wps_buffer)
2233 return false;
2234
2235 /* copy the file's content to the buffer for parsing,
2236 ensuring that every line ends with a newline char. */
2237 unsigned int start = 0;
2238 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
2239 {
2240 start += strlen(wps_buffer + start);
2241 if (start < buffersize - 1)
2242 {
2243 wps_buffer[start++] = '\n';
2244 wps_buffer[start] = 0;
2245 }
2246 }
2247 close(fd);
2248 if (start <= 0)
2249 return false;
2250 }
2251 else
2252 {
2253 wps_buffer = (char*)buf;
2254 }
2255 /* parse the WPS source */
2256 if (!wps_parse(wps_data, wps_buffer, isfile)) {
2257 skin_data_reset(wps_data);
2258 return false;
2259 }
2260
2261 #ifdef HAVE_LCD_BITMAP
2262 char bmpdir[MAX_PATH];
2263 if (isfile)
2264 {
2265 /* get the bitmap dir */
2266 char *dot = strrchr(buf, '.');
2267 strlcpy(bmpdir, buf, dot - buf + 1);
2268 }
2269 else
2270 {
2271 snprintf(bmpdir, MAX_PATH, "%s", BACKDROP_DIR);
2272 }
2273 /* load the bitmaps that were found by the parsing */
2274 if (!load_skin_bitmaps(wps_data, bmpdir) ||
2275 !skin_load_fonts(wps_data))
2276 {
2277 skin_data_reset(wps_data);
2278 return false;
2279 }
2280 #endif
2281 #if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
2282 status = audio_status();
2283 if (status & AUDIO_STATUS_PLAY)
2284 {
2285 struct skin_albumart *aa = wps_data->albumart;
2286 if (aa && ((aa->state && !old_aa.state) ||
2287 (aa->state &&
2288 (((old_aa.height != aa->height) ||
2289 (old_aa.width != aa->width))))))
2290 {
2291 curtrack = audio_current_track();
2292 offset = curtrack->offset;
2293 audio_stop();
2294 if (!(status & AUDIO_STATUS_PAUSE))
2295 audio_play(offset);
2296 }
2297 }
2298 #endif
2299 wps_data->wps_loaded = true;
2300 #ifdef DEBUG_SKIN_ENGINE
2301 if (isfile && debug_wps)
2302 debug_skin_usage();
2303 #endif
2304 return true;
2305 }
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