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initial commit
[kugel-rb.git] / apps / gui / skin_engine / skin_parser.c
blobe03d568aa7bcda767b7cb068a1beb8ecf34bd0d8
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 size_t curr_size;
96 static bool single_pass;
97
98 static int follow_lang_direction = 0;
99
100 #if defined(DEBUG) || defined(SIMULATOR)
101 /* debugging function */
102 extern void print_debug_info(struct wps_data *data, int fail, int line);
103 extern void debug_skin_usage(void);
104 #endif
105
106 /* Function for parsing of details for a token. At the moment the
107 function is called, the token type has already been set. The
108 function must fill in the details and possibly add more tokens
109 to the token array. It should return the number of chars that
110 has been consumed.
111
112 wps_bufptr points to the char following the tag (i.e. where
113 details begin).
114 token is the pointer to the 'main' token being parsed
115 */
116 typedef int (*wps_tag_parse_func)(const char *wps_bufptr,
117 struct wps_token *token, struct wps_data *wps_data);
118
119 struct wps_tag {
120 enum wps_token_type type;
121 const char name[3];
122 unsigned char refresh_type;
123 const wps_tag_parse_func parse_func;
124 };
125 static int skip_end_of_line(const char *wps_bufptr);
126 /* prototypes of all special parse functions : */
127 static int parse_timeout(const char *wps_bufptr,
128 struct wps_token *token, struct wps_data *wps_data);
129 static int parse_progressbar(const char *wps_bufptr,
130 struct wps_token *token, struct wps_data *wps_data);
131 static int parse_dir_level(const char *wps_bufptr,
132 struct wps_token *token, struct wps_data *wps_data);
133 static int parse_setting_and_lang(const char *wps_bufptr,
134 struct wps_token *token, struct wps_data *wps_data);
135
136
137 static int parse_languagedirection(const char *wps_bufptr,
138 struct wps_token *token, struct wps_data *wps_data)
139 {
140 (void)wps_bufptr;
141 (void)token;
142 (void)wps_data;
143 follow_lang_direction = 2; /* 2 because it is decremented immediatly after
144 this token is parsed, after the next token it
145 will be 0 again. */
146 return 0;
147 }
148
149 #ifdef HAVE_LCD_BITMAP
150 static int parse_viewport_display(const char *wps_bufptr,
151 struct wps_token *token, struct wps_data *wps_data);
152 static int parse_playlistview(const char *wps_bufptr,
153 struct wps_token *token, struct wps_data *wps_data);
154 static int parse_viewport(const char *wps_bufptr,
155 struct wps_token *token, struct wps_data *wps_data);
156 static int parse_statusbar_enable(const char *wps_bufptr,
157 struct wps_token *token, struct wps_data *wps_data);
158 static int parse_statusbar_disable(const char *wps_bufptr,
159 struct wps_token *token, struct wps_data *wps_data);
160 static int parse_statusbar_inbuilt(const char *wps_bufptr,
161 struct wps_token *token, struct wps_data *wps_data);
162 static int parse_image_display(const char *wps_bufptr,
163 struct wps_token *token, struct wps_data *wps_data);
164 static int parse_image_load(const char *wps_bufptr,
165 struct wps_token *token, struct wps_data *wps_data);
166 static int parse_font_load(const char *wps_bufptr,
167 struct wps_token *token, struct wps_data *wps_data);
168 #endif /*HAVE_LCD_BITMAP */
169 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
170 static int parse_image_special(const char *wps_bufptr,
171 struct wps_token *token, struct wps_data *wps_data);
172 #endif
173 #ifdef HAVE_ALBUMART
174 static int parse_albumart_load(const char *wps_bufptr,
175 struct wps_token *token, struct wps_data *wps_data);
176 static int parse_albumart_display(const char *wps_bufptr,
177 struct wps_token *token, struct wps_data *wps_data);
178 #endif /* HAVE_ALBUMART */
179 #ifdef HAVE_TOUCHSCREEN
180 static int parse_touchregion(const char *wps_bufptr,
181 struct wps_token *token, struct wps_data *wps_data);
182 #else
183 static int fulline_tag_not_supported(const char *wps_bufptr,
184 struct wps_token *token, struct wps_data *wps_data)
185 {
186 (void)token; (void)wps_data;
187 return skip_end_of_line(wps_bufptr);
188 }
189 #define parse_touchregion fulline_tag_not_supported
190 #endif
191 #ifdef CONFIG_RTC
192 #define WPS_RTC_REFRESH WPS_REFRESH_DYNAMIC
193 #else
194 #define WPS_RTC_REFRESH WPS_REFRESH_STATIC
195 #endif
196
197 /* array of available tags - those with more characters have to go first
198 (e.g. "xl" and "xd" before "x"). It needs to end with the unknown token. */
199 static const struct wps_tag all_tags[] = {
200
201 { WPS_TOKEN_ALIGN_CENTER, "ac", 0, NULL },
202 { WPS_TOKEN_ALIGN_LEFT, "al", 0, NULL },
203 { WPS_TOKEN_ALIGN_LEFT_RTL, "aL", 0, NULL },
204 { WPS_TOKEN_ALIGN_RIGHT, "ar", 0, NULL },
205 { WPS_TOKEN_ALIGN_RIGHT_RTL, "aR", 0, NULL },
206 { WPS_NO_TOKEN, "ax", 0, parse_languagedirection },
207
208 { WPS_TOKEN_BATTERY_PERCENT, "bl", WPS_REFRESH_DYNAMIC, NULL },
209 { WPS_TOKEN_BATTERY_VOLTS, "bv", WPS_REFRESH_DYNAMIC, NULL },
210 { WPS_TOKEN_BATTERY_TIME, "bt", WPS_REFRESH_DYNAMIC, NULL },
211 { WPS_TOKEN_BATTERY_SLEEPTIME, "bs", WPS_REFRESH_DYNAMIC, NULL },
212 #if CONFIG_CHARGING >= CHARGING_MONITOR
213 { WPS_TOKEN_BATTERY_CHARGING, "bc", WPS_REFRESH_DYNAMIC, NULL },
214 #endif
215 #if CONFIG_CHARGING
216 { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp", WPS_REFRESH_DYNAMIC, NULL },
217 #endif
218 #ifdef HAVE_USB_POWER
219 { WPS_TOKEN_USB_POWERED, "bu", WPS_REFRESH_DYNAMIC, NULL },
220 #endif
221
222 { WPS_TOKEN_RTC_PRESENT , "cc", WPS_REFRESH_STATIC, NULL },
223 { WPS_TOKEN_RTC_DAY_OF_MONTH, "cd", WPS_RTC_REFRESH, NULL },
224 { WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,"ce", WPS_RTC_REFRESH, NULL },
225 { WPS_TOKEN_RTC_12HOUR_CFG, "cf", WPS_RTC_REFRESH, NULL },
226 { WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED, "cH", WPS_RTC_REFRESH, NULL },
227 { WPS_TOKEN_RTC_HOUR_24, "ck", WPS_RTC_REFRESH, NULL },
228 { WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED, "cI", WPS_RTC_REFRESH, NULL },
229 { WPS_TOKEN_RTC_HOUR_12, "cl", WPS_RTC_REFRESH, NULL },
230 { WPS_TOKEN_RTC_MONTH, "cm", WPS_RTC_REFRESH, NULL },
231 { WPS_TOKEN_RTC_MINUTE, "cM", WPS_RTC_REFRESH, NULL },
232 { WPS_TOKEN_RTC_SECOND, "cS", WPS_RTC_REFRESH, NULL },
233 { WPS_TOKEN_RTC_YEAR_2_DIGITS, "cy", WPS_RTC_REFRESH, NULL },
234 { WPS_TOKEN_RTC_YEAR_4_DIGITS, "cY", WPS_RTC_REFRESH, NULL },
235 { WPS_TOKEN_RTC_AM_PM_UPPER, "cP", WPS_RTC_REFRESH, NULL },
236 { WPS_TOKEN_RTC_AM_PM_LOWER, "cp", WPS_RTC_REFRESH, NULL },
237 { WPS_TOKEN_RTC_WEEKDAY_NAME, "ca", WPS_RTC_REFRESH, NULL },
238 { WPS_TOKEN_RTC_MONTH_NAME, "cb", WPS_RTC_REFRESH, NULL },
239 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON, "cu", WPS_RTC_REFRESH, NULL },
240 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN, "cw", WPS_RTC_REFRESH, NULL },
241
242 /* current file */
243 { WPS_TOKEN_FILE_BITRATE, "fb", WPS_REFRESH_STATIC, NULL },
244 { WPS_TOKEN_FILE_CODEC, "fc", WPS_REFRESH_STATIC, NULL },
245 { WPS_TOKEN_FILE_FREQUENCY, "ff", WPS_REFRESH_STATIC, NULL },
246 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "fk", WPS_REFRESH_STATIC, NULL },
247 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "fm", WPS_REFRESH_STATIC, NULL },
248 { WPS_TOKEN_FILE_NAME, "fn", WPS_REFRESH_STATIC, NULL },
249 { WPS_TOKEN_FILE_PATH, "fp", WPS_REFRESH_STATIC, NULL },
250 { WPS_TOKEN_FILE_SIZE, "fs", WPS_REFRESH_STATIC, NULL },
251 { WPS_TOKEN_FILE_VBR, "fv", WPS_REFRESH_STATIC, NULL },
252 { WPS_TOKEN_FILE_DIRECTORY, "d", WPS_REFRESH_STATIC,
253 parse_dir_level },
254
255 /* next file */
256 { WPS_TOKEN_FILE_BITRATE, "Fb", WPS_REFRESH_STATIC, NULL },
257 { WPS_TOKEN_FILE_CODEC, "Fc", WPS_REFRESH_STATIC, NULL },
258 { WPS_TOKEN_FILE_FREQUENCY, "Ff", WPS_REFRESH_STATIC, NULL },
259 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "Fk", WPS_REFRESH_STATIC, NULL },
260 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "Fm", WPS_REFRESH_STATIC, NULL },
261 { WPS_TOKEN_FILE_NAME, "Fn", WPS_REFRESH_STATIC, NULL },
262 { WPS_TOKEN_FILE_PATH, "Fp", WPS_REFRESH_STATIC, NULL },
263 { WPS_TOKEN_FILE_SIZE, "Fs", WPS_REFRESH_STATIC, NULL },
264 { WPS_TOKEN_FILE_VBR, "Fv", WPS_REFRESH_STATIC, NULL },
265 { WPS_TOKEN_FILE_DIRECTORY, "D", WPS_REFRESH_STATIC,
266 parse_dir_level },
267
268 /* current metadata */
269 { WPS_TOKEN_METADATA_ARTIST, "ia", WPS_REFRESH_STATIC, NULL },
270 { WPS_TOKEN_METADATA_COMPOSER, "ic", WPS_REFRESH_STATIC, NULL },
271 { WPS_TOKEN_METADATA_ALBUM, "id", WPS_REFRESH_STATIC, NULL },
272 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "iA", WPS_REFRESH_STATIC, NULL },
273 { WPS_TOKEN_METADATA_GROUPING, "iG", WPS_REFRESH_STATIC, NULL },
274 { WPS_TOKEN_METADATA_GENRE, "ig", WPS_REFRESH_STATIC, NULL },
275 { WPS_TOKEN_METADATA_DISC_NUMBER, "ik", WPS_REFRESH_STATIC, NULL },
276 { WPS_TOKEN_METADATA_TRACK_NUMBER, "in", WPS_REFRESH_STATIC, NULL },
277 { WPS_TOKEN_METADATA_TRACK_TITLE, "it", WPS_REFRESH_STATIC, NULL },
278 { WPS_TOKEN_METADATA_VERSION, "iv", WPS_REFRESH_STATIC, NULL },
279 { WPS_TOKEN_METADATA_YEAR, "iy", WPS_REFRESH_STATIC, NULL },
280 { WPS_TOKEN_METADATA_COMMENT, "iC", WPS_REFRESH_STATIC, NULL },
281
282 /* next metadata */
283 { WPS_TOKEN_METADATA_ARTIST, "Ia", WPS_REFRESH_STATIC, NULL },
284 { WPS_TOKEN_METADATA_COMPOSER, "Ic", WPS_REFRESH_STATIC, NULL },
285 { WPS_TOKEN_METADATA_ALBUM, "Id", WPS_REFRESH_STATIC, NULL },
286 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "IA", WPS_REFRESH_STATIC, NULL },
287 { WPS_TOKEN_METADATA_GROUPING, "IG", WPS_REFRESH_STATIC, NULL },
288 { WPS_TOKEN_METADATA_GENRE, "Ig", WPS_REFRESH_STATIC, NULL },
289 { WPS_TOKEN_METADATA_DISC_NUMBER, "Ik", WPS_REFRESH_STATIC, NULL },
290 { WPS_TOKEN_METADATA_TRACK_NUMBER, "In", WPS_REFRESH_STATIC, NULL },
291 { WPS_TOKEN_METADATA_TRACK_TITLE, "It", WPS_REFRESH_STATIC, NULL },
292 { WPS_TOKEN_METADATA_VERSION, "Iv", WPS_REFRESH_STATIC, NULL },
293 { WPS_TOKEN_METADATA_YEAR, "Iy", WPS_REFRESH_STATIC, NULL },
294 { WPS_TOKEN_METADATA_COMMENT, "IC", WPS_REFRESH_STATIC, NULL },
295
296 #if (CONFIG_CODEC != MAS3507D)
297 { WPS_TOKEN_SOUND_PITCH, "Sp", WPS_REFRESH_DYNAMIC, NULL },
298 #endif
299 #if (CONFIG_CODEC == SWCODEC)
300 { WPS_TOKEN_SOUND_SPEED, "Ss", WPS_REFRESH_DYNAMIC, NULL },
301 #endif
302 #if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
303 { WPS_TOKEN_VLED_HDD, "lh", WPS_REFRESH_DYNAMIC, NULL },
304 #endif
305
306 { WPS_TOKEN_MAIN_HOLD, "mh", WPS_REFRESH_DYNAMIC, NULL },
307
308 #ifdef HAS_REMOTE_BUTTON_HOLD
309 { WPS_TOKEN_REMOTE_HOLD, "mr", WPS_REFRESH_DYNAMIC, NULL },
310 #else
311 { WPS_TOKEN_UNKNOWN, "mr", 0, NULL },
312 #endif
313
314 { WPS_TOKEN_REPEAT_MODE, "mm", WPS_REFRESH_DYNAMIC, NULL },
315 { WPS_TOKEN_PLAYBACK_STATUS, "mp", WPS_REFRESH_DYNAMIC, NULL },
316 { WPS_TOKEN_BUTTON_VOLUME, "mv", WPS_REFRESH_DYNAMIC,
317 parse_timeout },
318
319 #ifdef HAVE_LCD_BITMAP
320 { WPS_TOKEN_PEAKMETER, "pm", WPS_REFRESH_PEAK_METER, NULL },
321 #else
322 { WPS_TOKEN_PLAYER_PROGRESSBAR, "pf",
323 WPS_REFRESH_DYNAMIC | WPS_REFRESH_PLAYER_PROGRESS, parse_progressbar },
324 #endif
325 { WPS_TOKEN_PROGRESSBAR, "pb", WPS_REFRESH_PLAYER_PROGRESS,
326 parse_progressbar },
327
328 { WPS_TOKEN_VOLUME, "pv", WPS_REFRESH_DYNAMIC, NULL },
329
330 { WPS_TOKEN_TRACK_ELAPSED_PERCENT, "px", WPS_REFRESH_DYNAMIC, NULL },
331 { WPS_TOKEN_TRACK_TIME_ELAPSED, "pc", WPS_REFRESH_DYNAMIC, NULL },
332 { WPS_TOKEN_TRACK_TIME_REMAINING, "pr", WPS_REFRESH_DYNAMIC, NULL },
333 { WPS_TOKEN_TRACK_LENGTH, "pt", WPS_REFRESH_STATIC, NULL },
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 static int parse_viewport_display(const char *wps_bufptr,
757 struct wps_token *token,
758 struct wps_data *wps_data)
759 {
760 (void)wps_data;
761 char letter = wps_bufptr[0];
762
763 if (letter < 'a' || letter > 'z')
764 {
765 /* invalid viewport tag */
766 return WPS_ERROR_INVALID_PARAM;
767 }
768 token->value.i = letter;
769 return 1;
770 }
771
772 #ifdef HAVE_LCD_BITMAP
773 static int parse_playlistview_text(struct playlistviewer *viewer,
774 enum info_line_type line, char* text)
775 {
776 int cur_string = 0;
777 const struct wps_tag *tag;
778 int taglen = 0;
779 const char *start = text;
780 if (*text != '|')
781 return -1;
782 text++;
783 viewer->lines[line].count = 0;
784 viewer->lines[line].scroll = false;
785 while (*text != '|')
786 {
787 if (*text == '%') /* it is a token of some type */
788 {
789 text++;
790 taglen = 0;
791 switch(*text)
792 {
793 case '%':
794 case '<':
795 case '|':
796 case '>':
797 case ';':
798 case '#':
799 /* escaped characters */
800 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_CHARACTER;
801 viewer->lines[line].strings[cur_string][0] = *text;
802 viewer->lines[line].strings[cur_string++][1] = '\0';
803 break;
804 default:
805 for (tag = all_tags;
806 strncmp(text, tag->name, strlen(tag->name)) != 0;
807 tag++) ;
808 /* %s isnt stored as a tag so manually check for it */
809 if (tag->type == WPS_NO_TOKEN)
810 {
811 if (!strncmp(tag->name, "s", 1))
812 {
813 viewer->lines[line].scroll = true;
814 taglen = 1;
815 }
816 }
817 else if (tag->type == WPS_TOKEN_UNKNOWN)
818 {
819 int i = 0;
820 /* just copy the string */
821 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
822 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
823 {
824 viewer->lines[line].strings[cur_string][i] = text[i];
825 i++;
826 }
827 viewer->lines[line].strings[cur_string][i] = '\0';
828 cur_string++;
829 taglen = i;
830 }
831 else
832 {
833 if (tag->parse_func)
834 {
835 /* unsupported tag, reject */
836 return -1;
837 }
838 taglen = strlen(tag->name);
839 viewer->lines[line].tokens[viewer->lines[line].count++] = tag->type;
840 }
841 text += taglen;
842 }
843 }
844 else
845 {
846 /* regular string */
847 int i = 0;
848 /* just copy the string */
849 viewer->lines[line].tokens[viewer->lines[line].count++] = WPS_TOKEN_STRING;
850 while (i<(MAX_PLAYLISTLINE_STRLEN-1) && text[i] != '|' && text[i] != '%')
851 {
852 viewer->lines[line].strings[cur_string][i] = text[i];
853 i++;
854 }
855 viewer->lines[line].strings[cur_string][i] = '\0';
856 cur_string++;
857 text += i;
858 }
859 }
860 return text - start;
861 }
862
863
864 static int parse_playlistview(const char *wps_bufptr,
865 struct wps_token *token, struct wps_data *wps_data)
866 {
867 (void)wps_data;
868 /* %Vp|<use icons>|<start offset>|info line text|no info text| */
869 struct playlistviewer *viewer = skin_buffer_alloc(sizeof(struct playlistviewer));
870 char *ptr = strchr(wps_bufptr, '|');
871 int length;
872 if (!viewer || !ptr)
873 return WPS_ERROR_INVALID_PARAM;
874 viewer->vp = &curr_vp->vp;
875 viewer->show_icons = true;
876 viewer->start_offset = atoi(ptr+1);
877 token->value.data = (void*)viewer;
878 ptr = strchr(ptr+1, '|');
879 length = parse_playlistview_text(viewer, TRACK_HAS_INFO, ptr);
880 if (length < 0)
881 return WPS_ERROR_INVALID_PARAM;
882 length = parse_playlistview_text(viewer, TRACK_HAS_NO_INFO, ptr+length);
883 if (length < 0)
884 return WPS_ERROR_INVALID_PARAM;
885
886 return skip_end_of_line(wps_bufptr);
887 }
888 #endif
889
890 static int parse_viewport(const char *wps_bufptr,
891 struct wps_token *token,
892 struct wps_data *wps_data)
893 {
894 (void)token; /* Kill warnings */
895 const char *ptr = wps_bufptr;
896
897 struct skin_viewport *skin_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
898
899 /* check for the optional letter to signify its a hideable viewport */
900 /* %Vl|<label>|<rest of tags>| */
901 skin_vp->hidden_flags = 0;
902 skin_vp->label = VP_NO_LABEL;
903 skin_vp->pb = NULL;
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 val = 10;
1112 break;
1113 }
1114 }
1115 token->value.i = val;
1116
1117 return skip;
1118 }
1119
1120 static int parse_progressbar(const char *wps_bufptr,
1121 struct wps_token *token,
1122 struct wps_data *wps_data)
1123 {
1124 /* %pb or %pb|filename|x|y|width|height|
1125 using - for any of the params uses "sane" values */
1126 #ifdef HAVE_LCD_BITMAP
1127 enum {
1128 PB_FILENAME = 0,
1129 PB_X,
1130 PB_Y,
1131 PB_WIDTH,
1132 PB_HEIGHT
1133 };
1134 const char *filename;
1135 int x, y, height, width;
1136 uint32_t set = 0;
1137 const char *ptr = wps_bufptr;
1138 struct progressbar *pb = skin_buffer_alloc(sizeof(struct progressbar));
1139 struct skin_token_list *item = new_skin_token_list_item(token, pb);
1140
1141 if (!pb || !item)
1142 return WPS_ERROR_INVALID_PARAM;
1143
1144 struct viewport *vp = &curr_vp->vp;
1145 /* we need to know what line number (viewport relative) this pb is,
1146 * so count them... */
1147 int line_num = -1;
1148 struct skin_line *line = curr_vp->lines;
1149 while (line)
1150 {
1151 line_num++;
1152 line = line->next;
1153 }
1154 pb->have_bitmap_pb = false;
1155 pb->bm.data = NULL; /* no bitmap specified */
1156 pb->follow_lang_direction = follow_lang_direction > 0;
1157
1158 if (*wps_bufptr != '|') /* regular old style */
1159 {
1160 pb->x = 0;
1161 pb->width = vp->width;
1162 pb->height = SYSFONT_HEIGHT-2;
1163 pb->y = -line_num - 1; /* Will be computed during the rendering */
1164
1165 curr_vp->pb = pb;
1166 add_to_ll_chain(&wps_data->progressbars, item);
1167 return 0;
1168 }
1169 ptr = wps_bufptr + 1;
1170
1171 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
1172 &x, &y, &width, &height)))
1173 return WPS_ERROR_INVALID_PARAM;
1174
1175 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
1176 pb->bm.data = (char*)filename;
1177
1178 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
1179 pb->x = x;
1180 else
1181 pb->x = vp->x;
1182
1183 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
1184 {
1185 /* A zero width causes a divide-by-zero error later, so reject it */
1186 if (width == 0)
1187 return WPS_ERROR_INVALID_PARAM;
1188
1189 pb->width = width;
1190 }
1191 else
1192 pb->width = vp->width - pb->x;
1193
1194 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
1195 {
1196 /* A zero height makes no sense - reject it */
1197 if (height == 0)
1198 return WPS_ERROR_INVALID_PARAM;
1199
1200 pb->height = height;
1201 }
1202 else
1203 {
1204 if (vp->font > FONT_UI)
1205 pb->height = -1; /* calculate at display time */
1206 else
1207 {
1208 #ifndef __PCTOOL__
1209 pb->height = font_get(vp->font)->height;
1210 #else
1211 pb->height = 8;
1212 #endif
1213 }
1214 }
1215
1216 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
1217 pb->y = y;
1218 else
1219 pb->y = -line_num - 1; /* Will be computed during the rendering */
1220
1221 curr_vp->pb = pb;
1222 add_to_ll_chain(&wps_data->progressbars, item);
1223
1224 /* Skip the rest of the line */
1225 return skip_end_of_line(wps_bufptr)-1;
1226 #else
1227 (void)token;
1228
1229 if (*(wps_bufptr-1) == 'f')
1230 wps_data->full_line_progressbar = true;
1231 else
1232 wps_data->full_line_progressbar = false;
1233
1234 return 0;
1235
1236 #endif
1237 }
1238
1239 #ifdef HAVE_ALBUMART
1240 static int parse_int(const char *newline, const char **_pos, int *num)
1241 {
1242 *_pos = parse_list("d", NULL, '|', *_pos, num);
1243
1244 return (!*_pos || *_pos > newline || **_pos != '|');
1245 }
1246
1247 static int parse_albumart_load(const char *wps_bufptr,
1248 struct wps_token *token,
1249 struct wps_data *wps_data)
1250 {
1251 const char *_pos, *newline;
1252 bool parsing;
1253 struct dim dimensions;
1254 int albumart_slot;
1255 bool swap_for_rtl = lang_is_rtl() && follow_lang_direction;
1256 struct skin_albumart *aa = skin_buffer_alloc(sizeof(struct skin_albumart));
1257 (void)token; /* silence warning */
1258 if (!aa)
1259 return skip_end_of_line(wps_bufptr);
1260
1261 /* reset albumart info in wps */
1262 aa->width = -1;
1263 aa->height = -1;
1264 aa->xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1265 aa->yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
1266 aa->vp = &curr_vp->vp;
1267
1268 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
1269
1270 newline = strchr(wps_bufptr, '\n');
1271
1272 _pos = wps_bufptr;
1273
1274 if (*_pos != '|')
1275 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
1276
1277 ++_pos;
1278
1279 /* initial validation and parsing of x component */
1280 if (parse_int(newline, &_pos, &aa->x))
1281 return WPS_ERROR_INVALID_PARAM;
1282
1283 ++_pos;
1284
1285 /* initial validation and parsing of y component */
1286 if (parse_int(newline, &_pos, &aa->y))
1287 return WPS_ERROR_INVALID_PARAM;
1288
1289 /* parsing width field */
1290 parsing = true;
1291 while (parsing)
1292 {
1293 /* apply each modifier in turn */
1294 ++_pos;
1295 switch (*_pos)
1296 {
1297 case 'l':
1298 case 'L':
1299 case '+':
1300 if (swap_for_rtl)
1301 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1302 else
1303 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1304 break;
1305 case 'c':
1306 case 'C':
1307 aa->xalign = WPS_ALBUMART_ALIGN_CENTER;
1308 break;
1309 case 'r':
1310 case 'R':
1311 case '-':
1312 if (swap_for_rtl)
1313 aa->xalign = WPS_ALBUMART_ALIGN_LEFT;
1314 else
1315 aa->xalign = WPS_ALBUMART_ALIGN_RIGHT;
1316 break;
1317 case 'd':
1318 case 'D':
1319 case 'i':
1320 case 'I':
1321 case 's':
1322 case 'S':
1323 /* simply ignored */
1324 break;
1325 default:
1326 parsing = false;
1327 break;
1328 }
1329 }
1330 /* extract max width data */
1331 if (*_pos != '|')
1332 {
1333 if (parse_int(newline, &_pos, &aa->width))
1334 return WPS_ERROR_INVALID_PARAM;
1335 }
1336
1337 /* parsing height field */
1338 parsing = true;
1339 while (parsing)
1340 {
1341 /* apply each modifier in turn */
1342 ++_pos;
1343 switch (*_pos)
1344 {
1345 case 't':
1346 case 'T':
1347 case '-':
1348 aa->yalign = WPS_ALBUMART_ALIGN_TOP;
1349 break;
1350 case 'c':
1351 case 'C':
1352 aa->yalign = WPS_ALBUMART_ALIGN_CENTER;
1353 break;
1354 case 'b':
1355 case 'B':
1356 case '+':
1357 aa->yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1358 break;
1359 case 'd':
1360 case 'D':
1361 case 'i':
1362 case 'I':
1363 case 's':
1364 case 'S':
1365 /* simply ignored */
1366 break;
1367 default:
1368 parsing = false;
1369 break;
1370 }
1371 }
1372 /* extract max height data */
1373 if (*_pos != '|')
1374 {
1375 if (parse_int(newline, &_pos, &aa->height))
1376 return WPS_ERROR_INVALID_PARAM;
1377 }
1378
1379 /* if we got here, we parsed everything ok .. ! */
1380 if (aa->width < 0)
1381 aa->width = 0;
1382 else if (aa->width > LCD_WIDTH)
1383 aa->width = LCD_WIDTH;
1384
1385 if (aa->height < 0)
1386 aa->height = 0;
1387 else if (aa->height > LCD_HEIGHT)
1388 aa->height = LCD_HEIGHT;
1389
1390 if (swap_for_rtl)
1391 aa->x = LCD_WIDTH - (aa->x + aa->width);
1392
1393 aa->state = WPS_ALBUMART_LOAD;
1394 aa->draw = false;
1395 wps_data->albumart = aa;
1396
1397 dimensions.width = aa->width;
1398 dimensions.height = aa->height;
1399
1400 albumart_slot = playback_claim_aa_slot(&dimensions);
1401
1402 if (0 <= albumart_slot)
1403 wps_data->playback_aa_slot = albumart_slot;
1404
1405 /* Skip the rest of the line */
1406 return skip_end_of_line(wps_bufptr);
1407 }
1408
1409 static int parse_albumart_display(const char *wps_bufptr,
1410 struct wps_token *token,
1411 struct wps_data *wps_data)
1412 {
1413 (void)wps_bufptr;
1414 struct wps_token *prev = token-1;
1415 if ((wps_data->num_tokens >= 1) && (prev->type == WPS_TOKEN_CONDITIONAL))
1416 {
1417 token->type = WPS_TOKEN_ALBUMART_FOUND;
1418 }
1419 else if (wps_data->albumart)
1420 {
1421 wps_data->albumart->vp = &curr_vp->vp;
1422 }
1423 #if 0
1424 /* the old code did this so keep it here for now...
1425 * this is to allow the posibility to showing the next tracks AA! */
1426 if (wps_bufptr+1 == 'n')
1427 return 1;
1428 #endif
1429 return 0;
1430 };
1431 #endif /* HAVE_ALBUMART */
1432
1433 #ifdef HAVE_TOUCHSCREEN
1434
1435 struct touchaction {const char* s; int action;};
1436 static const struct touchaction touchactions[] = {
1437 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1438 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1439 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1440 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1441 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1442 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1443 {"playlist", ACTION_WPS_VIEW_PLAYLIST }, {"pitch", ACTION_WPS_PITCHSCREEN},
1444 {"voldown", ACTION_WPS_VOLDOWN}, {"volup", ACTION_WPS_VOLUP},
1445 };
1446 static int parse_touchregion(const char *wps_bufptr,
1447 struct wps_token *token, struct wps_data *wps_data)
1448 {
1449 (void)token;
1450 unsigned i, imax;
1451 struct touchregion *region = NULL;
1452 const char *ptr = wps_bufptr;
1453 const char *action;
1454 const char pb_string[] = "progressbar";
1455 const char vol_string[] = "volume";
1456 int x,y,w,h;
1457
1458 /* format: %T|x|y|width|height|action|
1459 * if action starts with & the area must be held to happen
1460 * action is one of:
1461 * play - play/pause playback
1462 * stop - stop playback, exit the wps
1463 * prev - prev track
1464 * next - next track
1465 * ffwd - seek forward
1466 * rwd - seek backwards
1467 * menu - go back to the main menu
1468 * browse - go back to the file/db browser
1469 * shuffle - toggle shuffle mode
1470 * repmode - cycle the repeat mode
1471 * quickscreen - go into the quickscreen
1472 * contextmenu - open the context menu
1473 * playlist - go into the playlist
1474 * pitch - go into the pitchscreen
1475 * volup - increase volume by one step
1476 * voldown - decrease volume by one step
1477 */
1478
1479
1480 if (*ptr != '|')
1481 return WPS_ERROR_INVALID_PARAM;
1482 ptr++;
1483
1484 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1485 return WPS_ERROR_INVALID_PARAM;
1486
1487 /* Check there is a terminating | */
1488 if (*ptr != '|')
1489 return WPS_ERROR_INVALID_PARAM;
1490
1491 region = skin_buffer_alloc(sizeof(struct touchregion));
1492 if (!region)
1493 return WPS_ERROR_INVALID_PARAM;
1494
1495 /* should probably do some bounds checking here with the viewport... but later */
1496 region->action = ACTION_NONE;
1497 region->x = x;
1498 region->y = y;
1499 region->width = w;
1500 region->height = h;
1501 region->wvp = curr_vp;
1502 region->armed = false;
1503
1504 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1505 && *(action + sizeof(pb_string)-1) == '|')
1506 region->type = WPS_TOUCHREGION_SCROLLBAR;
1507 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1508 && *(action + sizeof(vol_string)-1) == '|')
1509 region->type = WPS_TOUCHREGION_VOLUME;
1510 else
1511 {
1512 region->type = WPS_TOUCHREGION_ACTION;
1513
1514 if (*action == '&')
1515 {
1516 action++;
1517 region->repeat = true;
1518 }
1519 else
1520 region->repeat = false;
1521
1522 i = 0;
1523 imax = ARRAYLEN(touchactions);
1524 while ((region->action == ACTION_NONE) &&
1525 (i < imax))
1526 {
1527 /* try to match with one of our touchregion screens */
1528 int len = strlen(touchactions[i].s);
1529 if (!strncmp(touchactions[i].s, action, len)
1530 && *(action+len) == '|')
1531 region->action = touchactions[i].action;
1532 i++;
1533 }
1534 if (region->action == ACTION_NONE)
1535 return WPS_ERROR_INVALID_PARAM;
1536 }
1537 struct skin_token_list *item = new_skin_token_list_item(NULL, region);
1538 if (!item)
1539 return WPS_ERROR_INVALID_PARAM;
1540 add_to_ll_chain(&wps_data->touchregions, item);
1541 return skip_end_of_line(wps_bufptr);
1542 }
1543 #endif
1544
1545 /* Parse a generic token from the given string. Return the length read */
1546 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1547 {
1548 int skip = 0, taglen = 0, ret;
1549 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1550 const struct wps_tag *tag;
1551 memset(token, 0, sizeof(*token));
1552
1553 switch(*wps_bufptr)
1554 {
1555
1556 case '%':
1557 case '<':
1558 case '|':
1559 case '>':
1560 case ';':
1561 case '#':
1562 /* escaped characters */
1563 token->type = WPS_TOKEN_CHARACTER;
1564 token->value.c = *wps_bufptr;
1565 taglen = 1;
1566 wps_data->num_tokens++;
1567 break;
1568
1569 case '?':
1570 /* conditional tag */
1571 token->type = WPS_TOKEN_CONDITIONAL;
1572 level++;
1573 condindex[level] = wps_data->num_tokens;
1574 numoptions[level] = 1;
1575 wps_data->num_tokens++;
1576 ret = parse_token(wps_bufptr + 1, wps_data);
1577 if (ret < 0) return ret;
1578 taglen = 1 + ret;
1579 break;
1580
1581 default:
1582 /* find what tag we have */
1583 for (tag = all_tags;
1584 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1585 tag++) ;
1586
1587 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1588 token->type = tag->type;
1589 curr_line->curr_subline->line_type |= tag->refresh_type;
1590
1591 /* if the tag has a special parsing function, we call it */
1592 if (tag->parse_func)
1593 {
1594 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1595 if (ret < 0) return ret;
1596 skip += ret;
1597 }
1598
1599 /* Some tags we don't want to save as tokens */
1600 if (tag->type == WPS_NO_TOKEN)
1601 break;
1602
1603 /* tags that start with 'F', 'I' or 'D' are for the next file */
1604 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1605 *(tag->name) == 'D')
1606 token->next = true;
1607
1608 wps_data->num_tokens++;
1609 break;
1610 }
1611
1612 skip += taglen;
1613 return skip;
1614 }
1615
1616
1617 /*
1618 * Returns the number of bytes to skip the buf pointer to access the false
1619 * branch in a _binary_ conditional
1620 *
1621 * That is:
1622 * - before the '|' if we have a false branch, (%?<true|false> -> %?<|false>)
1623 * - or before the closing '>' if there's no false branch (%?<true> -> %?<>)
1624 *
1625 * depending on the features of a target it's not called from check_feature_tag,
1626 * hence the __attribute__ or it issues compiler warnings
1627 *
1628 **/
1629
1630 static int find_false_branch(const char *wps_bufptr) __attribute__((unused));
1631 static int find_false_branch(const char *wps_bufptr)
1632 {
1633 const char *buf = wps_bufptr;
1634 /* wps_bufptr is after the opening '<', hence level = 1*/
1635 int level = 1;
1636 char ch;
1637 do
1638 {
1639 ch = *buf;
1640 if (ch == '%')
1641 { /* filter out the characters we check later if they're printed
1642 * as literals */
1643 ch = *(++buf);
1644 if (ch == '<' || ch == '>' || ch == '|')
1645 continue;
1646 /* else: some tags/printed literals we skip over */
1647 }
1648 else if (ch == '<') /* nested conditional */
1649 level++;
1650 else if (ch == '>')
1651 { /* closed our or a nested conditional,
1652 * do NOT skip over the '>' so that wps_parse() sees it for closing
1653 * if it is the closing one for our conditional */
1654 level--;
1655 }
1656 else if (ch == '|' && level == 1)
1657 { /* we found our separator, point before and get out */
1658 break;
1659 }
1660 /* if level is 0, we don't have a false branch */
1661 } while (level > 0 && *(++buf));
1662
1663 return buf - wps_bufptr;
1664 }
1665
1666 /*
1667 * returns the number of bytes to get the appropriate branch of a binary
1668 * conditional
1669 *
1670 * That means:
1671 * - if a feature is available, it returns 0 to not skip anything
1672 * - if the feature is not available, skip to the false branch and don't
1673 * parse the true branch at all
1674 *
1675 * */
1676 static int check_feature_tag(const char *wps_bufptr, const int type)
1677 {
1678 (void)wps_bufptr;
1679 switch (type)
1680 {
1681 case WPS_TOKEN_RTC_PRESENT:
1682 #if CONFIG_RTC
1683 return 0;
1684 #else
1685 return find_false_branch(wps_bufptr);
1686 #endif
1687 case WPS_TOKEN_HAVE_RECORDING:
1688 #ifdef HAVE_RECORDING
1689 return 0;
1690 #else
1691 return find_false_branch(wps_bufptr);
1692 #endif
1693 default: /* not a tag we care about, just don't skip */
1694 return 0;
1695 }
1696 }
1697
1698
1699 /* Parses the WPS.
1700 data is the pointer to the structure where the parsed WPS should be stored.
1701 It is initialised.
1702 wps_bufptr points to the string containing the WPS tags */
1703 #define TOKEN_BLOCK_SIZE 128
1704 static bool wps_parse(struct wps_data *data, const char *wps_bufptr, bool debug)
1705 {
1706 if (!data || !wps_bufptr || !*wps_bufptr)
1707 return false;
1708 enum wps_parse_error fail = PARSE_OK;
1709 int ret;
1710 int max_tokens = TOKEN_BLOCK_SIZE;
1711 size_t buf_free = 0;
1712 line_number = 0;
1713 level = -1;
1714
1715 /* allocate enough RAM for a reasonable skin, grow as needed.
1716 * Free any used RAM before loading the images to be 100% RAM efficient */
1717 data->tokens = (struct wps_token *)skin_buffer_grab(&buf_free);
1718 if (sizeof(struct wps_token)*max_tokens >= buf_free)
1719 return false;
1720 skin_buffer_increment(max_tokens * sizeof(struct wps_token), false);
1721 data->num_tokens = 0;
1722
1723 #if LCD_DEPTH > 1
1724 /* Backdrop defaults to the setting unless %X is used, so set it now */
1725 if (global_settings.backdrop_file[0])
1726 {
1727 data->backdrop = "-";
1728 }
1729 #endif
1730
1731 while (*wps_bufptr && !fail)
1732 {
1733 if (follow_lang_direction)
1734 follow_lang_direction--;
1735 /* first make sure there is enough room for tokens */
1736 if (max_tokens <= data->num_tokens + 5)
1737 {
1738 int extra_tokens = TOKEN_BLOCK_SIZE;
1739 size_t needed = extra_tokens * sizeof(struct wps_token);
1740 /* do some smarts here to grow the array a bit */
1741 if (skin_buffer_freespace() < needed)
1742 {
1743 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1744 break;
1745 }
1746 skin_buffer_increment(needed, false);
1747 max_tokens += extra_tokens;
1748 }
1749
1750 switch(*wps_bufptr++)
1751 {
1752
1753 /* Regular tag */
1754 case '%':
1755 if ((ret = parse_token(wps_bufptr, data)) < 0)
1756 {
1757 fail = PARSE_FAIL_COND_INVALID_PARAM;
1758 break;
1759 }
1760 else if (level >= WPS_MAX_COND_LEVEL - 1)
1761 {
1762 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1763 break;
1764 }
1765 wps_bufptr += ret;
1766 break;
1767
1768 /* Alternating sublines separator */
1769 case ';':
1770 if (level >= 0) /* there are unclosed conditionals */
1771 {
1772 fail = PARSE_FAIL_UNCLOSED_COND;
1773 break;
1774 }
1775
1776 if (!skin_start_new_subline(curr_line, data->num_tokens))
1777 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1778
1779 break;
1780
1781 /* Conditional list start */
1782 case '<':
1783 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1784 {
1785 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1786 break;
1787 }
1788 wps_bufptr += check_feature_tag(wps_bufptr,
1789 data->tokens[data->num_tokens-1].type);
1790 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1791 lastcond[level] = data->num_tokens++;
1792 break;
1793
1794 /* Conditional list end */
1795 case '>':
1796 if (level < 0) /* not in a conditional, invalid char */
1797 {
1798 fail = PARSE_FAIL_INVALID_CHAR;
1799 break;
1800 }
1801
1802 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1803 if (lastcond[level])
1804 data->tokens[lastcond[level]].value.i = data->num_tokens;
1805 else
1806 {
1807 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1808 break;
1809 }
1810
1811 lastcond[level] = 0;
1812 data->num_tokens++;
1813 data->tokens[condindex[level]].value.i = numoptions[level];
1814 level--;
1815 break;
1816
1817 /* Conditional list option */
1818 case '|':
1819 if (level < 0) /* not in a conditional, invalid char */
1820 {
1821 fail = PARSE_FAIL_INVALID_CHAR;
1822 break;
1823 }
1824
1825 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1826 if (lastcond[level])
1827 data->tokens[lastcond[level]].value.i = data->num_tokens;
1828 else
1829 {
1830 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1831 break;
1832 }
1833
1834 lastcond[level] = data->num_tokens;
1835 numoptions[level]++;
1836 data->num_tokens++;
1837 break;
1838
1839 /* Comment */
1840 case '#':
1841 if (level >= 0) /* there are unclosed conditionals */
1842 {
1843 fail = PARSE_FAIL_UNCLOSED_COND;
1844 break;
1845 }
1846
1847 wps_bufptr += skip_end_of_line(wps_bufptr);
1848 break;
1849
1850 /* End of this line */
1851 case '\n':
1852 if (level >= 0) /* there are unclosed conditionals */
1853 {
1854 fail = PARSE_FAIL_UNCLOSED_COND;
1855 break;
1856 }
1857 /* add a new token for the \n so empty lines are correct */
1858 data->tokens[data->num_tokens].type = WPS_TOKEN_CHARACTER;
1859 data->tokens[data->num_tokens].value.c = '\n';
1860 data->tokens[data->num_tokens].next = false;
1861 data->num_tokens++;
1862
1863 if (!skin_start_new_line(curr_vp, data->num_tokens))
1864 {
1865 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1866 break;
1867 }
1868 line_number++;
1869
1870 break;
1871
1872 /* String */
1873 default:
1874 {
1875 unsigned int len = 1;
1876 const char *string_start = wps_bufptr - 1;
1877
1878 /* find the length of the string */
1879 while (*wps_bufptr && *wps_bufptr != '#' &&
1880 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1881 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1882 *wps_bufptr != '|' && *wps_bufptr != '\n')
1883 {
1884 wps_bufptr++;
1885 len++;
1886 }
1887
1888 /* look if we already have that string */
1889 char *str;
1890 bool found = false;
1891 struct skin_token_list *list = data->strings;
1892 while (list)
1893 {
1894 str = (char*)list->token->value.data;
1895 found = (strlen(str) == len &&
1896 strncmp(string_start, str, len) == 0);
1897 if (found)
1898 break; /* break here because the list item is
1899 used if its found */
1900 list = list->next;
1901 }
1902 /* If a matching string is found, found is true and i is
1903 the index of the string. If not, found is false */
1904
1905 if (!found)
1906 {
1907 /* new string */
1908 str = (char*)skin_buffer_alloc(len+1);
1909 if (!str)
1910 {
1911 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1912 break;
1913 }
1914 strlcpy(str, string_start, len+1);
1915 struct skin_token_list *item =
1916 new_skin_token_list_item(&data->tokens[data->num_tokens], str);
1917 if(!item)
1918 {
1919 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1920 break;
1921 }
1922 add_to_ll_chain(&data->strings, item);
1923 }
1924 else
1925 {
1926 /* another occurrence of an existing string */
1927 data->tokens[data->num_tokens].value.data = list->token->value.data;
1928 }
1929 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1930 data->num_tokens++;
1931 }
1932 break;
1933 }
1934 }
1935
1936 if (!fail && level >= 0) /* there are unclosed conditionals */
1937 fail = PARSE_FAIL_UNCLOSED_COND;
1938
1939 if (*wps_bufptr && !fail)
1940 /* one of the limits of the while loop was exceeded */
1941 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1942
1943 /* Success! */
1944 curr_line->curr_subline->last_token_idx = data->num_tokens;
1945 data->tokens[data->num_tokens++].type = WPS_NO_TOKEN;
1946 /* freeup unused tokens */
1947 skin_buffer_free_from_front(sizeof(struct wps_token)
1948 * (max_tokens - data->num_tokens));
1949
1950 #if defined(DEBUG) || defined(SIMULATOR)
1951 if (debug)
1952 {
1953 print_debug_info(data, fail, line_number);
1954 debug_skin_usage();
1955 }
1956 #else
1957 (void)debug;
1958 #endif
1959
1960 return (fail == 0);
1961 }
1962
1963
1964 /*
1965 * initial setup of wps_data; does reset everything
1966 * except fields which need to survive, i.e.
1967 *
1968 **/
1969 static void skin_data_reset(struct wps_data *wps_data)
1970 {
1971 #ifdef HAVE_LCD_BITMAP
1972 wps_data->images = NULL;
1973 wps_data->progressbars = NULL;
1974 #endif
1975 #if LCD_DEPTH > 1 || defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1976 wps_data->backdrop = NULL;
1977 #endif
1978 #ifdef HAVE_TOUCHSCREEN
1979 wps_data->touchregions = NULL;
1980 #endif
1981 wps_data->viewports = NULL;
1982 wps_data->strings = NULL;
1983 #ifdef HAVE_ALBUMART
1984 wps_data->albumart = NULL;
1985 if (wps_data->playback_aa_slot >= 0)
1986 {
1987 playback_release_aa_slot(wps_data->playback_aa_slot);
1988 wps_data->playback_aa_slot = -1;
1989 }
1990 #endif
1991 wps_data->tokens = NULL;
1992 wps_data->num_tokens = 0;
1993
1994 #ifdef HAVE_LCD_BITMAP
1995 wps_data->peak_meter_enabled = false;
1996 wps_data->wps_sb_tag = false;
1997 wps_data->show_sb_on_wps = false;
1998 #else /* HAVE_LCD_CHARCELLS */
1999 /* progress bars */
2000 int i;
2001 for (i = 0; i < 8; i++)
2002 {
2003 wps_data->wps_progress_pat[i] = 0;
2004 }
2005 wps_data->full_line_progressbar = false;
2006 #endif
2007 wps_data->wps_loaded = false;
2008 }
2009
2010 #ifdef HAVE_LCD_BITMAP
2011 static bool load_skin_bmp(struct wps_data *wps_data, struct bitmap *bitmap, char* bmpdir)
2012 {
2013 (void)wps_data; /* only needed for remote targets */
2014 char img_path[MAX_PATH];
2015 get_image_filename(bitmap->data, bmpdir,
2016 img_path, sizeof(img_path));
2017
2018 if (!single_pass)
2019 printf("%s\n", img_path);
2020 /* load the image */
2021 int format;
2022 #ifdef HAVE_REMOTE_LCD
2023 if (curr_screen == SCREEN_REMOTE)
2024 format = FORMAT_ANY|FORMAT_REMOTE;
2025 else
2026 #endif
2027 format = FORMAT_ANY|FORMAT_TRANSPARENT;
2028
2029 size_t max_buf;
2030 char* imgbuf = (char*)skin_buffer_grab(&max_buf);
2031 bitmap->data = imgbuf;
2032 int ret = read_bmp_file(img_path, bitmap, max_buf, format, NULL);
2033
2034 if (ret > 0)
2035 {
2036 if (single_pass)
2037 {
2038 skin_buffer_increment(ret, true);
2039 }
2040 else
2041 {
2042 strlcpy(bitmap->data, strrchr(img_path, '/')+1, MAX_PATH);
2043 //printf("%s\n", bitmap->data);
2044 curr_size += ret;
2045 }
2046 return true;
2047 }
2048 else
2049 {
2050 /* Abort if we can't load an image */
2051 DEBUGF("Couldn't load '%s'\n", img_path);
2052 return false;
2053 }
2054 }
2055
2056 static bool load_skin_bitmaps(struct wps_data *wps_data, char *bmpdir)
2057 {
2058 struct skin_token_list *list;
2059 bool retval = true; /* return false if a single image failed to load */
2060 /* do the progressbars */
2061 list = wps_data->progressbars;
2062 while (list)
2063 {
2064 struct progressbar *pb = (struct progressbar*)list->token->value.data;
2065 if (pb->bm.data)
2066 {
2067 pb->have_bitmap_pb = load_skin_bmp(wps_data, &pb->bm, bmpdir);
2068 if (!pb->have_bitmap_pb) /* no success */
2069 retval = false;
2070 }
2071 list = list->next;
2072 }
2073 /* regular images */
2074 list = wps_data->images;
2075 while (list)
2076 {
2077 struct gui_img *img = (struct gui_img*)list->token->value.data;
2078 if (img->bm.data)
2079 {
2080 img->loaded = load_skin_bmp(wps_data, &img->bm, bmpdir);
2081 if (img->loaded)
2082 img->subimage_height = img->bm.height / img->num_subimages;
2083 else
2084 retval = false;
2085 }
2086 list = list->next;
2087 }
2088
2089 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
2090 /* Backdrop load scheme:
2091 * 1) %X|filename|
2092 * 2) load the backdrop from settings
2093 */
2094 if (wps_data->backdrop)
2095 {
2096 bool needed = wps_data->backdrop[0] != '-';
2097 wps_data->backdrop = skin_backdrop_load(wps_data->backdrop,
2098 bmpdir, curr_screen);
2099 if (!wps_data->backdrop && needed)
2100 retval = false;
2101 }
2102 #endif /* has backdrop support */
2103
2104 return retval;
2105 }
2106
2107 static bool skin_load_fonts(struct wps_data *data)
2108 {
2109 /* don't spit out after the first failue to aid debugging */
2110 bool success = true;
2111 struct skin_token_list *vp_list;
2112 int font_id;
2113 /* walk though each viewport and assign its font */
2114 for(vp_list = data->viewports; vp_list; vp_list = vp_list->next)
2115 {
2116 /* first, find the viewports that have a non-sys/ui-font font */
2117 struct skin_viewport *skin_vp =
2118 (struct skin_viewport*)vp_list->token->value.data;
2119 struct viewport *vp = &skin_vp->vp;
2120
2121
2122 if (vp->font <= FONT_UI)
2123 { /* the usual case -> built-in fonts */
2124 #ifdef HAVE_REMOTE_LCD
2125 if (vp->font == FONT_UI)
2126 vp->font += curr_screen;
2127 #endif
2128 continue;
2129 }
2130 font_id = vp->font;
2131
2132 /* now find the corresponding skin_font */
2133 struct skin_font *font = &skinfonts[font_id-FONT_FIRSTUSERFONT];
2134 if (!font->name)
2135 {
2136 DEBUGF("font %d not specified\n", font_id);
2137 success = false;
2138 continue;
2139 }
2140
2141 /* load the font - will handle loading the same font again if
2142 * multiple viewports use the same */
2143 if (font->id < 0)
2144 {
2145 char *dot = strchr(font->name, '.');
2146 *dot = '\0';
2147 font->id = skin_font_load(font->name);
2148 }
2149
2150 if (font->id < 0)
2151 {
2152 DEBUGF("Unable to load font %d: '%s.fnt'\n",
2153 font_id, font->name);
2154 success = false;
2155 continue;
2156 }
2157
2158 /* finally, assign the font_id to the viewport */
2159 vp->font = font->id;
2160 }
2161 return success;
2162 }
2163
2164 #endif /* HAVE_LCD_BITMAP */
2165
2166 /* to setup up the wps-data from a format-buffer (isfile = false)
2167 from a (wps-)file (isfile = true)*/
2168
2169 void skin_data_load_finalize(struct wps_data *data, const char* buf)
2170 {
2171 single_pass = true;
2172 /* get the bitmap dir */
2173 char bmpdir[MAX_PATH];
2174 char *dot = strrchr(buf, '.');
2175
2176 strlcpy(bmpdir, buf, dot - buf + 1);
2177
2178 /* load the bitmaps that were found by the parsing */
2179 if (!load_skin_bitmaps(data, bmpdir)) {
2180 skin_data_reset(data);
2181 data->wps_loaded = false;
2182 }
2183
2184 #if defined(DEBUG) || defined(SIMULATOR)
2185 debug_skin_usage();
2186 #endif
2187 }
2188
2189
2190 int skin_data_load(enum screen_type screen, struct wps_data *wps_data,
2191 const char *buf, bool isfile, bool _single_pass)
2192 {
2193 if (!wps_data || !buf)
2194 return false;
2195 single_pass = _single_pass;
2196 curr_size = 0;
2197 printf ("single_pass %d\n", single_pass);
2198 size_t old_buf_usage = skin_buffer_usage();
2199 #ifdef HAVE_ALBUMART
2200 int status;
2201 struct mp3entry *curtrack;
2202 long offset;
2203 struct skin_albumart old_aa = {.state = WPS_ALBUMART_NONE};
2204 if (wps_data->albumart)
2205 {
2206 old_aa.state = wps_data->albumart->state;
2207 old_aa.height = wps_data->albumart->height;
2208 old_aa.width = wps_data->albumart->width;
2209 }
2210 #endif
2211 #ifdef HAVE_LCD_BITMAP
2212 int i;
2213 for (i=0;i<MAXUSERFONTS;i++)
2214 {
2215 skinfonts[i].id = -1;
2216 skinfonts[i].name = NULL;
2217 }
2218 #endif
2219 #ifdef DEBUG_SKIN_ENGINE
2220 if (isfile && debug_wps)
2221 {
2222 DEBUGF("\n=====================\nLoading '%s'\n=====================\n", buf);
2223 }
2224 #endif
2225
2226 skin_data_reset(wps_data);
2227 curr_screen = screen;
2228
2229 /* alloc default viewport, will be fixed up later */
2230 curr_vp = skin_buffer_alloc(sizeof(struct skin_viewport));
2231 if (!curr_vp)
2232 return 0;
2233 struct skin_token_list *list = new_skin_token_list_item(NULL, curr_vp);
2234 if (!list)
2235 return 0;
2236 add_to_ll_chain(&wps_data->viewports, list);
2237
2238
2239 /* Initialise the first (default) viewport */
2240 curr_vp->label = VP_DEFAULT_LABEL;
2241 curr_vp->pb = NULL;
2242 curr_vp->hidden_flags = 0;
2243 curr_vp->lines = NULL;
2244
2245 viewport_set_defaults(&curr_vp->vp, screen);
2246 #ifdef HAVE_LCD_BITMAP
2247 curr_vp->vp.font = FONT_UI;
2248 #endif
2249
2250 curr_line = NULL;
2251 if (!skin_start_new_line(curr_vp, 0))
2252 return 0;
2253
2254 if (!isfile)
2255 {
2256 if (wps_parse(wps_data, buf, false))
2257 {
2258 #ifdef HAVE_LCD_BITMAP
2259 /* load the backdrop */
2260 if (!load_skin_bitmaps(wps_data, BACKDROP_DIR)) {
2261 skin_data_reset(wps_data);
2262 return 0;
2263 }
2264 #endif
2265 goto end;
2266 }
2267 return 0;
2268 }
2269 else
2270 {
2271 int fd = open_utf8(buf, O_RDONLY);
2272
2273 if (fd < 0)
2274 return 0;
2275
2276 /* get buffer space from the plugin buffer */
2277 size_t buffersize = 0;
2278 char *wps_buffer = (char *)plugin_get_buffer(&buffersize);
2279
2280 if (!wps_buffer)
2281 return 0;
2282
2283 /* copy the file's content to the buffer for parsing,
2284 ensuring that every line ends with a newline char. */
2285 unsigned int start = 0;
2286 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
2287 {
2288 start += strlen(wps_buffer + start);
2289 if (start < buffersize - 1)
2290 {
2291 wps_buffer[start++] = '\n';
2292 wps_buffer[start] = 0;
2293 }
2294 }
2295
2296 close(fd);
2297
2298 if (start <= 0)
2299 return 0;
2300
2301 /* parse the WPS source */
2302 if (!wps_parse(wps_data, wps_buffer, true)) {
2303 skin_data_reset(wps_data);
2304 return 0;
2305 }
2306
2307 wps_data->wps_loaded = true;
2308
2309 #ifdef HAVE_LCD_BITMAP
2310 /* get the bitmap dir */
2311 char bmpdir[MAX_PATH];
2312 char *dot = strrchr(buf, '.');
2313
2314 strlcpy(bmpdir, buf, dot - buf + 1);
2315 /* load the bitmaps that were found by the parsing */
2316 if (!load_skin_bitmaps(wps_data, bmpdir)) {
2317 skin_data_reset(wps_data);
2318 wps_data->wps_loaded = false;
2319 return 0;
2320 }
2321 if (single_pass && !skin_load_fonts(wps_data))
2322 {
2323 skin_data_reset(wps_data);
2324 wps_data->wps_loaded = false;
2325 return false;
2326 }
2327 #endif
2328 #if defined(HAVE_ALBUMART) && !defined(__PCTOOL__)
2329 status = audio_status();
2330 if (status & AUDIO_STATUS_PLAY)
2331 {
2332 struct skin_albumart *aa = wps_data->albumart;
2333 if (aa && ((aa->state && !old_aa.state) ||
2334 (aa->state &&
2335 (((old_aa.height != aa->height) ||
2336 (old_aa.width != aa->width))))))
2337 {
2338 curtrack = audio_current_track();
2339 offset = curtrack->offset;
2340 audio_stop();
2341 if (!(status & AUDIO_STATUS_PAUSE))
2342 audio_play(offset);
2343 }
2344 }
2345 #endif
2346 #if defined(DEBUG) || defined(SIMULATOR)
2347 debug_skin_usage();
2348 #endif
2349 end:
2350 //printf("buf %s\n, curr_size %d\n", buf, curr_size);
2351 return skin_buffer_usage() - old_buf_usage + curr_size;
2352 }
2353 }
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