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Fix the bug where the short-long fwd/back action would ffwd/rewind the next folder...
[kugel-rb.git] / apps / gui / wps_parser.c
blob14c8d30c6aaab4967651f45c560eff37ec98568d
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 "file.h"
26 #include "misc.h"
27 #include "plugin.h"
28
29 #ifdef __PCTOOL__
30 #ifdef WPSEDITOR
31 #include "proxy.h"
32 #include "sysfont.h"
33 #else
34 #include "checkwps.h"
35 #include "audio.h"
36 #define DEBUGF printf
37 #endif /*WPSEDITOR*/
38 #else
39 #include "debug.h"
40 #endif /*__PCTOOL__*/
41
42 #include <ctype.h>
43 #include <stdbool.h>
44 #include "font.h"
45
46 #include "gwps.h"
47 #include "settings.h"
48 #include "settings_list.h"
49
50 #ifdef HAVE_LCD_BITMAP
51 #include "bmp.h"
52 #endif
53
54 #include "backdrop.h"
55
56 #define WPS_DEFAULTCFG WPS_DIR "/rockbox_default.wps"
57 #define RWPS_DEFAULTCFG WPS_DIR "/rockbox_default.rwps"
58
59 #define WPS_ERROR_INVALID_PARAM -1
60
61 /* level of current conditional.
62 -1 means we're not in a conditional. */
63 static int level = -1;
64
65 /* index of the last WPS_TOKEN_CONDITIONAL_OPTION
66 or WPS_TOKEN_CONDITIONAL_START in current level */
67 static int lastcond[WPS_MAX_COND_LEVEL];
68
69 /* index of the WPS_TOKEN_CONDITIONAL in current level */
70 static int condindex[WPS_MAX_COND_LEVEL];
71
72 /* number of condtional options in current level */
73 static int numoptions[WPS_MAX_COND_LEVEL];
74
75 /* the current line in the file */
76 static int line;
77
78 #ifdef HAVE_LCD_BITMAP
79
80 #if LCD_DEPTH > 1
81 #define MAX_BITMAPS (MAX_IMAGES+MAX_PROGRESSBARS+1) /* WPS images + pbar bitmap + backdrop */
82 #else
83 #define MAX_BITMAPS (MAX_IMAGES+MAX_PROGRESSBARS) /* WPS images + pbar bitmap */
84 #endif
85
86 #define PROGRESSBAR_BMP MAX_IMAGES
87 #define BACKDROP_BMP (MAX_BITMAPS-1)
88
89 /* pointers to the bitmap filenames in the WPS source */
90 static const char *bmp_names[MAX_BITMAPS];
91
92 #endif /* HAVE_LCD_BITMAP */
93
94 #if defined(DEBUG) || defined(SIMULATOR)
95 /* debugging function */
96 extern void print_debug_info(struct wps_data *data, int fail, int line);
97 #endif
98
99 static void wps_reset(struct wps_data *data);
100
101 /* Function for parsing of details for a token. At the moment the
102 function is called, the token type has already been set. The
103 function must fill in the details and possibly add more tokens
104 to the token array. It should return the number of chars that
105 has been consumed.
106
107 wps_bufptr points to the char following the tag (i.e. where
108 details begin).
109 token is the pointer to the 'main' token being parsed
110 */
111 typedef int (*wps_tag_parse_func)(const char *wps_bufptr,
112 struct wps_token *token, struct wps_data *wps_data);
113
114 struct wps_tag {
115 enum wps_token_type type;
116 const char name[3];
117 unsigned char refresh_type;
118 const wps_tag_parse_func parse_func;
119 };
120 static int skip_end_of_line(const char *wps_bufptr);
121 /* prototypes of all special parse functions : */
122 static int parse_timeout(const char *wps_bufptr,
123 struct wps_token *token, struct wps_data *wps_data);
124 static int parse_progressbar(const char *wps_bufptr,
125 struct wps_token *token, struct wps_data *wps_data);
126 static int parse_dir_level(const char *wps_bufptr,
127 struct wps_token *token, struct wps_data *wps_data);
128 static int parse_setting(const char *wps_bufptr,
129 struct wps_token *token, struct wps_data *wps_data);
130
131 #ifdef HAVE_LCD_BITMAP
132 static int parse_viewport_display(const char *wps_bufptr,
133 struct wps_token *token, struct wps_data *wps_data);
134 static int parse_viewport(const char *wps_bufptr,
135 struct wps_token *token, struct wps_data *wps_data);
136 static int parse_statusbar_enable(const char *wps_bufptr,
137 struct wps_token *token, struct wps_data *wps_data);
138 static int parse_statusbar_disable(const char *wps_bufptr,
139 struct wps_token *token, struct wps_data *wps_data);
140 static int parse_image_display(const char *wps_bufptr,
141 struct wps_token *token, struct wps_data *wps_data);
142 static int parse_image_load(const char *wps_bufptr,
143 struct wps_token *token, struct wps_data *wps_data);
144 #endif /*HAVE_LCD_BITMAP */
145 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
146 static int parse_image_special(const char *wps_bufptr,
147 struct wps_token *token, struct wps_data *wps_data);
148 #endif
149 #ifdef HAVE_ALBUMART
150 static int parse_albumart_load(const char *wps_bufptr,
151 struct wps_token *token, struct wps_data *wps_data);
152 static int parse_albumart_conditional(const char *wps_bufptr,
153 struct wps_token *token, struct wps_data *wps_data);
154 #endif /* HAVE_ALBUMART */
155 #ifdef HAVE_TOUCHSCREEN
156 static int parse_touchregion(const char *wps_bufptr,
157 struct wps_token *token, struct wps_data *wps_data);
158 #else
159 static int fulline_tag_not_supported(const char *wps_bufptr,
160 struct wps_token *token, struct wps_data *wps_data)
161 {
162 (void)token; (void)wps_data;
163 return skip_end_of_line(wps_bufptr);
164 }
165 #define parse_touchregion fulline_tag_not_supported
166 #endif
167 #ifdef CONFIG_RTC
168 #define WPS_RTC_REFRESH WPS_REFRESH_DYNAMIC
169 #else
170 #define WPS_RTC_REFRESH WPS_REFRESH_STATIC
171 #endif
172
173 /* array of available tags - those with more characters have to go first
174 (e.g. "xl" and "xd" before "x"). It needs to end with the unknown token. */
175 static const struct wps_tag all_tags[] = {
176
177 { WPS_TOKEN_ALIGN_CENTER, "ac", 0, NULL },
178 { WPS_TOKEN_ALIGN_LEFT, "al", 0, NULL },
179 { WPS_TOKEN_ALIGN_RIGHT, "ar", 0, NULL },
180
181 { WPS_TOKEN_BATTERY_PERCENT, "bl", WPS_REFRESH_DYNAMIC, NULL },
182 { WPS_TOKEN_BATTERY_VOLTS, "bv", WPS_REFRESH_DYNAMIC, NULL },
183 { WPS_TOKEN_BATTERY_TIME, "bt", WPS_REFRESH_DYNAMIC, NULL },
184 { WPS_TOKEN_BATTERY_SLEEPTIME, "bs", WPS_REFRESH_DYNAMIC, NULL },
185 #if CONFIG_CHARGING >= CHARGING_MONITOR
186 { WPS_TOKEN_BATTERY_CHARGING, "bc", WPS_REFRESH_DYNAMIC, NULL },
187 #endif
188 #if CONFIG_CHARGING
189 { WPS_TOKEN_BATTERY_CHARGER_CONNECTED,"bp", WPS_REFRESH_DYNAMIC, NULL },
190 #endif
191
192 { WPS_TOKEN_RTC_PRESENT , "cc", WPS_REFRESH_STATIC, NULL },
193 { WPS_TOKEN_RTC_DAY_OF_MONTH, "cd", WPS_RTC_REFRESH, NULL },
194 { WPS_TOKEN_RTC_DAY_OF_MONTH_BLANK_PADDED,"ce", WPS_RTC_REFRESH, NULL },
195 { WPS_TOKEN_RTC_12HOUR_CFG, "cf", WPS_RTC_REFRESH, NULL },
196 { WPS_TOKEN_RTC_HOUR_24_ZERO_PADDED, "cH", WPS_RTC_REFRESH, NULL },
197 { WPS_TOKEN_RTC_HOUR_24, "ck", WPS_RTC_REFRESH, NULL },
198 { WPS_TOKEN_RTC_HOUR_12_ZERO_PADDED, "cI", WPS_RTC_REFRESH, NULL },
199 { WPS_TOKEN_RTC_HOUR_12, "cl", WPS_RTC_REFRESH, NULL },
200 { WPS_TOKEN_RTC_MONTH, "cm", WPS_RTC_REFRESH, NULL },
201 { WPS_TOKEN_RTC_MINUTE, "cM", WPS_RTC_REFRESH, NULL },
202 { WPS_TOKEN_RTC_SECOND, "cS", WPS_RTC_REFRESH, NULL },
203 { WPS_TOKEN_RTC_YEAR_2_DIGITS, "cy", WPS_RTC_REFRESH, NULL },
204 { WPS_TOKEN_RTC_YEAR_4_DIGITS, "cY", WPS_RTC_REFRESH, NULL },
205 { WPS_TOKEN_RTC_AM_PM_UPPER, "cP", WPS_RTC_REFRESH, NULL },
206 { WPS_TOKEN_RTC_AM_PM_LOWER, "cp", WPS_RTC_REFRESH, NULL },
207 { WPS_TOKEN_RTC_WEEKDAY_NAME, "ca", WPS_RTC_REFRESH, NULL },
208 { WPS_TOKEN_RTC_MONTH_NAME, "cb", WPS_RTC_REFRESH, NULL },
209 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_MON, "cu", WPS_RTC_REFRESH, NULL },
210 { WPS_TOKEN_RTC_DAY_OF_WEEK_START_SUN, "cw", WPS_RTC_REFRESH, NULL },
211
212 /* current file */
213 { WPS_TOKEN_FILE_BITRATE, "fb", WPS_REFRESH_STATIC, NULL },
214 { WPS_TOKEN_FILE_CODEC, "fc", WPS_REFRESH_STATIC, NULL },
215 { WPS_TOKEN_FILE_FREQUENCY, "ff", WPS_REFRESH_STATIC, NULL },
216 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "fk", WPS_REFRESH_STATIC, NULL },
217 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "fm", WPS_REFRESH_STATIC, NULL },
218 { WPS_TOKEN_FILE_NAME, "fn", WPS_REFRESH_STATIC, NULL },
219 { WPS_TOKEN_FILE_PATH, "fp", WPS_REFRESH_STATIC, NULL },
220 { WPS_TOKEN_FILE_SIZE, "fs", WPS_REFRESH_STATIC, NULL },
221 { WPS_TOKEN_FILE_VBR, "fv", WPS_REFRESH_STATIC, NULL },
222 { WPS_TOKEN_FILE_DIRECTORY, "d", WPS_REFRESH_STATIC,
223 parse_dir_level },
224
225 /* next file */
226 { WPS_TOKEN_FILE_BITRATE, "Fb", WPS_REFRESH_STATIC, NULL },
227 { WPS_TOKEN_FILE_CODEC, "Fc", WPS_REFRESH_STATIC, NULL },
228 { WPS_TOKEN_FILE_FREQUENCY, "Ff", WPS_REFRESH_STATIC, NULL },
229 { WPS_TOKEN_FILE_FREQUENCY_KHZ, "Fk", WPS_REFRESH_STATIC, NULL },
230 { WPS_TOKEN_FILE_NAME_WITH_EXTENSION, "Fm", WPS_REFRESH_STATIC, NULL },
231 { WPS_TOKEN_FILE_NAME, "Fn", WPS_REFRESH_STATIC, NULL },
232 { WPS_TOKEN_FILE_PATH, "Fp", WPS_REFRESH_STATIC, NULL },
233 { WPS_TOKEN_FILE_SIZE, "Fs", WPS_REFRESH_STATIC, NULL },
234 { WPS_TOKEN_FILE_VBR, "Fv", WPS_REFRESH_STATIC, NULL },
235 { WPS_TOKEN_FILE_DIRECTORY, "D", WPS_REFRESH_STATIC,
236 parse_dir_level },
237
238 /* current metadata */
239 { WPS_TOKEN_METADATA_ARTIST, "ia", WPS_REFRESH_STATIC, NULL },
240 { WPS_TOKEN_METADATA_COMPOSER, "ic", WPS_REFRESH_STATIC, NULL },
241 { WPS_TOKEN_METADATA_ALBUM, "id", WPS_REFRESH_STATIC, NULL },
242 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "iA", WPS_REFRESH_STATIC, NULL },
243 { WPS_TOKEN_METADATA_GROUPING, "iG", WPS_REFRESH_STATIC, NULL },
244 { WPS_TOKEN_METADATA_GENRE, "ig", WPS_REFRESH_STATIC, NULL },
245 { WPS_TOKEN_METADATA_DISC_NUMBER, "ik", WPS_REFRESH_STATIC, NULL },
246 { WPS_TOKEN_METADATA_TRACK_NUMBER, "in", WPS_REFRESH_STATIC, NULL },
247 { WPS_TOKEN_METADATA_TRACK_TITLE, "it", WPS_REFRESH_STATIC, NULL },
248 { WPS_TOKEN_METADATA_VERSION, "iv", WPS_REFRESH_STATIC, NULL },
249 { WPS_TOKEN_METADATA_YEAR, "iy", WPS_REFRESH_STATIC, NULL },
250 { WPS_TOKEN_METADATA_COMMENT, "iC", WPS_REFRESH_STATIC, NULL },
251
252 /* next metadata */
253 { WPS_TOKEN_METADATA_ARTIST, "Ia", WPS_REFRESH_STATIC, NULL },
254 { WPS_TOKEN_METADATA_COMPOSER, "Ic", WPS_REFRESH_STATIC, NULL },
255 { WPS_TOKEN_METADATA_ALBUM, "Id", WPS_REFRESH_STATIC, NULL },
256 { WPS_TOKEN_METADATA_ALBUM_ARTIST, "IA", WPS_REFRESH_STATIC, NULL },
257 { WPS_TOKEN_METADATA_GROUPING, "IG", WPS_REFRESH_STATIC, NULL },
258 { WPS_TOKEN_METADATA_GENRE, "Ig", WPS_REFRESH_STATIC, NULL },
259 { WPS_TOKEN_METADATA_DISC_NUMBER, "Ik", WPS_REFRESH_STATIC, NULL },
260 { WPS_TOKEN_METADATA_TRACK_NUMBER, "In", WPS_REFRESH_STATIC, NULL },
261 { WPS_TOKEN_METADATA_TRACK_TITLE, "It", WPS_REFRESH_STATIC, NULL },
262 { WPS_TOKEN_METADATA_VERSION, "Iv", WPS_REFRESH_STATIC, NULL },
263 { WPS_TOKEN_METADATA_YEAR, "Iy", WPS_REFRESH_STATIC, NULL },
264 { WPS_TOKEN_METADATA_COMMENT, "IC", WPS_REFRESH_STATIC, NULL },
265
266 #if (CONFIG_CODEC != MAS3507D)
267 { WPS_TOKEN_SOUND_PITCH, "Sp", WPS_REFRESH_DYNAMIC, NULL },
268 #endif
269
270 #if (CONFIG_LED == LED_VIRTUAL) || defined(HAVE_REMOTE_LCD)
271 { WPS_TOKEN_VLED_HDD, "lh", WPS_REFRESH_DYNAMIC, NULL },
272 #endif
273
274 { WPS_TOKEN_MAIN_HOLD, "mh", WPS_REFRESH_DYNAMIC, NULL },
275
276 #ifdef HAS_REMOTE_BUTTON_HOLD
277 { WPS_TOKEN_REMOTE_HOLD, "mr", WPS_REFRESH_DYNAMIC, NULL },
278 #else
279 { WPS_TOKEN_UNKNOWN, "mr", 0, NULL },
280 #endif
281
282 { WPS_TOKEN_REPEAT_MODE, "mm", WPS_REFRESH_DYNAMIC, NULL },
283 { WPS_TOKEN_PLAYBACK_STATUS, "mp", WPS_REFRESH_DYNAMIC, NULL },
284 { WPS_TOKEN_BUTTON_VOLUME, "mv", WPS_REFRESH_DYNAMIC,
285 parse_timeout },
286
287 #ifdef HAVE_LCD_BITMAP
288 { WPS_TOKEN_PEAKMETER, "pm", WPS_REFRESH_PEAK_METER, NULL },
289 #else
290 { WPS_TOKEN_PLAYER_PROGRESSBAR, "pf",
291 WPS_REFRESH_DYNAMIC | WPS_REFRESH_PLAYER_PROGRESS, parse_progressbar },
292 #endif
293 { WPS_TOKEN_PROGRESSBAR, "pb", WPS_REFRESH_PLAYER_PROGRESS,
294 parse_progressbar },
295
296 { WPS_TOKEN_VOLUME, "pv", WPS_REFRESH_DYNAMIC, NULL },
297
298 { WPS_TOKEN_TRACK_ELAPSED_PERCENT, "px", WPS_REFRESH_DYNAMIC, NULL },
299 { WPS_TOKEN_TRACK_TIME_ELAPSED, "pc", WPS_REFRESH_DYNAMIC, NULL },
300 { WPS_TOKEN_TRACK_TIME_REMAINING, "pr", WPS_REFRESH_DYNAMIC, NULL },
301 { WPS_TOKEN_TRACK_LENGTH, "pt", WPS_REFRESH_STATIC, NULL },
302
303 { WPS_TOKEN_PLAYLIST_POSITION, "pp", WPS_REFRESH_STATIC, NULL },
304 { WPS_TOKEN_PLAYLIST_ENTRIES, "pe", WPS_REFRESH_STATIC, NULL },
305 { WPS_TOKEN_PLAYLIST_NAME, "pn", WPS_REFRESH_STATIC, NULL },
306 { WPS_TOKEN_PLAYLIST_SHUFFLE, "ps", WPS_REFRESH_DYNAMIC, NULL },
307
308 #ifdef HAVE_TAGCACHE
309 { WPS_TOKEN_DATABASE_PLAYCOUNT, "rp", WPS_REFRESH_DYNAMIC, NULL },
310 { WPS_TOKEN_DATABASE_RATING, "rr", WPS_REFRESH_DYNAMIC, NULL },
311 { WPS_TOKEN_DATABASE_AUTOSCORE, "ra", WPS_REFRESH_DYNAMIC, NULL },
312 #endif
313
314 #if CONFIG_CODEC == SWCODEC
315 { WPS_TOKEN_REPLAYGAIN, "rg", WPS_REFRESH_STATIC, NULL },
316 { WPS_TOKEN_CROSSFADE, "xf", WPS_REFRESH_DYNAMIC, NULL },
317 #endif
318
319 { WPS_NO_TOKEN, "s", WPS_REFRESH_SCROLL, NULL },
320 { WPS_TOKEN_SUBLINE_TIMEOUT, "t", 0, parse_timeout },
321
322 #ifdef HAVE_LCD_BITMAP
323 { WPS_NO_TOKEN, "we", 0, parse_statusbar_enable },
324 { WPS_NO_TOKEN, "wd", 0, parse_statusbar_disable },
325
326 { WPS_NO_TOKEN, "xl", 0, parse_image_load },
327
328 { WPS_TOKEN_IMAGE_PRELOAD_DISPLAY, "xd", WPS_REFRESH_STATIC,
329 parse_image_display },
330
331 { WPS_TOKEN_IMAGE_DISPLAY, "x", 0, parse_image_load },
332 #ifdef HAVE_ALBUMART
333 { WPS_NO_TOKEN, "Cl", 0, parse_albumart_load },
334 { WPS_TOKEN_ALBUMART_DISPLAY, "C", WPS_REFRESH_STATIC,
335 parse_albumart_conditional },
336 #endif
337
338 { WPS_VIEWPORT_ENABLE, "Vd", WPS_REFRESH_DYNAMIC,
339 parse_viewport_display },
340 { WPS_NO_TOKEN, "V", 0, parse_viewport },
341
342 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
343 { WPS_TOKEN_IMAGE_BACKDROP, "X", 0, parse_image_special },
344 #endif
345 #endif
346
347 { WPS_TOKEN_SETTING, "St", WPS_REFRESH_DYNAMIC, parse_setting },
348
349 { WPS_TOKEN_LASTTOUCH, "Tl", WPS_REFRESH_DYNAMIC, parse_timeout },
350 { WPS_NO_TOKEN, "T", 0, parse_touchregion },
351
352 { WPS_TOKEN_UNKNOWN, "", 0, NULL }
353 /* the array MUST end with an empty string (first char is \0) */
354 };
355
356 /* Returns the number of chars that should be skipped to jump
357 immediately after the first eol, i.e. to the start of the next line */
358 static int skip_end_of_line(const char *wps_bufptr)
359 {
360 line++;
361 int skip = 0;
362 while(*(wps_bufptr + skip) != '\n')
363 skip++;
364 return ++skip;
365 }
366
367 /* Starts a new subline in the current line during parsing */
368 static void wps_start_new_subline(struct wps_data *data)
369 {
370 data->num_sublines++;
371 data->sublines[data->num_sublines].first_token_idx = data->num_tokens;
372 data->lines[data->num_lines].num_sublines++;
373 }
374
375 #ifdef HAVE_LCD_BITMAP
376
377 static int parse_statusbar_enable(const char *wps_bufptr,
378 struct wps_token *token,
379 struct wps_data *wps_data)
380 {
381 (void)token; /* Kill warnings */
382 wps_data->wps_sb_tag = true;
383 wps_data->show_sb_on_wps = true;
384 if (wps_data->viewports[0].vp.y == 0)
385 {
386 wps_data->viewports[0].vp.y = STATUSBAR_HEIGHT;
387 wps_data->viewports[0].vp.height -= STATUSBAR_HEIGHT;
388 }
389 return skip_end_of_line(wps_bufptr);
390 }
391
392 static int parse_statusbar_disable(const char *wps_bufptr,
393 struct wps_token *token,
394 struct wps_data *wps_data)
395 {
396 (void)token; /* Kill warnings */
397 wps_data->wps_sb_tag = true;
398 wps_data->show_sb_on_wps = false;
399 if (wps_data->viewports[0].vp.y == STATUSBAR_HEIGHT)
400 {
401 wps_data->viewports[0].vp.y = 0;
402 wps_data->viewports[0].vp.height += STATUSBAR_HEIGHT;
403 }
404 return skip_end_of_line(wps_bufptr);
405 }
406
407 static bool load_bitmap(struct wps_data *wps_data,
408 char* filename,
409 struct bitmap *bm)
410 {
411 int format;
412 #ifdef HAVE_REMOTE_LCD
413 if (wps_data->remote_wps)
414 format = FORMAT_ANY|FORMAT_REMOTE;
415 else
416 #endif
417 format = FORMAT_ANY|FORMAT_TRANSPARENT;
418
419 int ret = read_bmp_file(filename, bm,
420 wps_data->img_buf_free,
421 format,NULL);
422
423 if (ret > 0)
424 {
425 #if LCD_DEPTH == 16
426 if (ret % 2) ret++;
427 /* Always consume an even number of bytes */
428 #endif
429 wps_data->img_buf_ptr += ret;
430 wps_data->img_buf_free -= ret;
431
432 return true;
433 }
434 else
435 return false;
436 }
437
438 static int get_image_id(int c)
439 {
440 if(c >= 'a' && c <= 'z')
441 return c - 'a';
442 else if(c >= 'A' && c <= 'Z')
443 return c - 'A' + 26;
444 else
445 return -1;
446 }
447
448 static char *get_image_filename(const char *start, const char* bmpdir,
449 char *buf, int buf_size)
450 {
451 const char *end = strchr(start, '|');
452
453 if ( !end || (end - start) >= (buf_size - (int)ROCKBOX_DIR_LEN - 2) )
454 {
455 buf = "\0";
456 return NULL;
457 }
458
459 int bmpdirlen = strlen(bmpdir);
460
461 strcpy(buf, bmpdir);
462 buf[bmpdirlen] = '/';
463 memcpy( &buf[bmpdirlen + 1], start, end - start);
464 buf[bmpdirlen + 1 + end - start] = 0;
465
466 return buf;
467 }
468
469 static int parse_image_display(const char *wps_bufptr,
470 struct wps_token *token,
471 struct wps_data *wps_data)
472 {
473 (void)wps_data;
474 int n = get_image_id(wps_bufptr[0]);
475 int subimage;
476
477 if (n == -1)
478 {
479 /* invalid picture display tag */
480 return WPS_ERROR_INVALID_PARAM;
481 }
482
483 if ((subimage = get_image_id(wps_bufptr[1])) != -1)
484 {
485 /* Sanity check */
486 if (subimage >= wps_data->img[n].num_subimages)
487 return WPS_ERROR_INVALID_PARAM;
488
489 /* Store sub-image number to display in high bits */
490 token->value.i = n | (subimage << 8);
491 return 2; /* We have consumed 2 bytes */
492 } else {
493 token->value.i = n;
494 return 1; /* We have consumed 1 byte */
495 }
496 }
497
498 static int parse_image_load(const char *wps_bufptr,
499 struct wps_token *token,
500 struct wps_data *wps_data)
501 {
502 int n;
503 const char *ptr = wps_bufptr;
504 const char *pos;
505 const char* filename;
506 const char* id;
507 const char *newline;
508 int x,y;
509
510 /* format: %x|n|filename.bmp|x|y|
511 or %xl|n|filename.bmp|x|y|
512 or %xl|n|filename.bmp|x|y|num_subimages|
513 */
514
515 if (*ptr != '|')
516 return WPS_ERROR_INVALID_PARAM;
517
518 ptr++;
519
520 if (!(ptr = parse_list("ssdd", NULL, '|', ptr, &id, &filename, &x, &y)))
521 return WPS_ERROR_INVALID_PARAM;
522
523 /* Check there is a terminating | */
524 if (*ptr != '|')
525 return WPS_ERROR_INVALID_PARAM;
526
527 /* get the image ID */
528 n = get_image_id(*id);
529
530 /* check the image number and load state */
531 if(n < 0 || n >= MAX_IMAGES || wps_data->img[n].loaded)
532 {
533 /* Invalid image ID */
534 return WPS_ERROR_INVALID_PARAM;
535 }
536
537 /* save a pointer to the filename */
538 bmp_names[n] = filename;
539
540 wps_data->img[n].x = x;
541 wps_data->img[n].y = y;
542
543 /* save current viewport */
544 wps_data->img[n].vp = &wps_data->viewports[wps_data->num_viewports].vp;
545
546 if (token->type == WPS_TOKEN_IMAGE_DISPLAY)
547 {
548 wps_data->img[n].always_display = true;
549 }
550 else
551 {
552 /* Parse the (optional) number of sub-images */
553 ptr++;
554 newline = strchr(ptr, '\n');
555 pos = strchr(ptr, '|');
556 if (pos && pos < newline)
557 wps_data->img[n].num_subimages = atoi(ptr);
558
559 if (wps_data->img[n].num_subimages <= 0)
560 return WPS_ERROR_INVALID_PARAM;
561 }
562
563 /* Skip the rest of the line */
564 return skip_end_of_line(wps_bufptr);
565 }
566
567 static int parse_viewport_display(const char *wps_bufptr,
568 struct wps_token *token,
569 struct wps_data *wps_data)
570 {
571 (void)wps_data;
572 char letter = wps_bufptr[0];
573
574 if (letter < 'a' || letter > 'z')
575 {
576 /* invalid viewport tag */
577 return WPS_ERROR_INVALID_PARAM;
578 }
579 token->value.i = letter;
580 return 1;
581 }
582
583 static int parse_viewport(const char *wps_bufptr,
584 struct wps_token *token,
585 struct wps_data *wps_data)
586 {
587 (void)token; /* Kill warnings */
588 const char *ptr = wps_bufptr;
589 struct viewport* vp;
590 int depth;
591 uint32_t set = 0;
592 enum {
593 PL_X = 0,
594 PL_Y,
595 PL_WIDTH,
596 PL_HEIGHT,
597 PL_FONT,
598 PL_FG,
599 PL_BG,
600 };
601 int lcd_width = LCD_WIDTH, lcd_height = LCD_HEIGHT;
602 #ifdef HAVE_REMOTE_LCD
603 if (wps_data->remote_wps)
604 {
605 lcd_width = LCD_REMOTE_WIDTH;
606 lcd_height = LCD_REMOTE_HEIGHT;
607 }
608 #endif
609
610 if (wps_data->num_viewports >= WPS_MAX_VIEWPORTS)
611 return WPS_ERROR_INVALID_PARAM;
612
613 wps_data->num_viewports++;
614 /* check for the optional letter to signify its a hideable viewport */
615 /* %Vl|<label>|<rest of tags>| */
616 wps_data->viewports[wps_data->num_viewports].hidden_flags = 0;
617
618 if (*ptr == 'l')
619 {
620 if (*(ptr+1) == '|')
621 {
622 char label = *(ptr+2);
623 if (label >= 'a' && label <= 'z')
624 {
625 wps_data->viewports[wps_data->num_viewports].hidden_flags = VP_DRAW_HIDEABLE;
626 wps_data->viewports[wps_data->num_viewports].label = label;
627 }
628 else
629 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
630 ptr += 3;
631 }
632 }
633 if (*ptr != '|')
634 return WPS_ERROR_INVALID_PARAM;
635
636 ptr++;
637 vp = &wps_data->viewports[wps_data->num_viewports].vp;
638 /* format: %V|x|y|width|height|font|fg_pattern|bg_pattern| */
639
640 /* Set the defaults for fields not user-specified */
641 vp->drawmode = DRMODE_SOLID;
642
643 /* Work out the depth of this display */
644 #ifdef HAVE_REMOTE_LCD
645 depth = (wps_data->remote_wps ? LCD_REMOTE_DEPTH : LCD_DEPTH);
646 #else
647 depth = LCD_DEPTH;
648 #endif
649
650 #ifdef HAVE_LCD_COLOR
651 if (depth == 16)
652 {
653 if (!(ptr = parse_list("dddddcc", &set, '|', ptr, &vp->x, &vp->y, &vp->width,
654 &vp->height, &vp->font, &vp->fg_pattern,&vp->bg_pattern)))
655 return WPS_ERROR_INVALID_PARAM;
656 }
657 else
658 #endif
659 #if (LCD_DEPTH == 2) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 2)
660 if (depth == 2) {
661 /* Default to black on white */
662 vp->fg_pattern = 0;
663 vp->bg_pattern = 3;
664 if (!(ptr = parse_list("dddddgg", &set, '|', ptr, &vp->x, &vp->y, &vp->width,
665 &vp->height, &vp->font, &vp->fg_pattern, &vp->bg_pattern)))
666 return WPS_ERROR_INVALID_PARAM;
667 }
668 else
669 #endif
670 #if (LCD_DEPTH == 1) || (defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH == 1)
671 if (depth == 1)
672 {
673 if (!(ptr = parse_list("ddddd", &set, '|', ptr, &vp->x, &vp->y,
674 &vp->width, &vp->height, &vp->font)))
675 return WPS_ERROR_INVALID_PARAM;
676 }
677 else
678 #endif
679 {}
680
681 /* Check for trailing | */
682 if (*ptr != '|')
683 return WPS_ERROR_INVALID_PARAM;
684
685 if (!LIST_VALUE_PARSED(set, PL_X) || !LIST_VALUE_PARSED(set, PL_Y))
686 return WPS_ERROR_INVALID_PARAM;
687
688 /* fix defaults */
689 if (!LIST_VALUE_PARSED(set, PL_WIDTH))
690 vp->width = lcd_width - vp->x;
691 if (!LIST_VALUE_PARSED(set, PL_HEIGHT))
692 vp->height = lcd_height - vp->y;
693
694 /* Default to using the user font if the font was an invalid number */
695 if (!LIST_VALUE_PARSED(set, PL_FONT) ||
696 ((vp->font != FONT_SYSFIXED) && (vp->font != FONT_UI)))
697 vp->font = FONT_UI;
698
699 /* Validate the viewport dimensions - we know that the numbers are
700 non-negative integers */
701 if ((vp->x >= lcd_width) ||
702 ((vp->x + vp->width) > lcd_width) ||
703 (vp->y >= lcd_height) ||
704 ((vp->y + vp->height) > lcd_height))
705 {
706 return WPS_ERROR_INVALID_PARAM;
707 }
708
709 #ifdef HAVE_LCD_COLOR
710 if (depth == 16)
711 {
712 if (!LIST_VALUE_PARSED(set, PL_FG))
713 vp->fg_pattern = global_settings.fg_color;
714 if (!LIST_VALUE_PARSED(set, PL_BG))
715 vp->bg_pattern = global_settings.bg_color;
716 }
717 #endif
718
719 wps_data->viewports[wps_data->num_viewports-1].last_line = wps_data->num_lines - 1;
720
721 wps_data->viewports[wps_data->num_viewports].first_line = wps_data->num_lines;
722
723 if (wps_data->num_sublines < WPS_MAX_SUBLINES)
724 {
725 wps_data->lines[wps_data->num_lines].first_subline_idx =
726 wps_data->num_sublines;
727
728 wps_data->sublines[wps_data->num_sublines].first_token_idx =
729 wps_data->num_tokens;
730 }
731
732 /* Skip the rest of the line */
733 return skip_end_of_line(wps_bufptr);
734 }
735
736 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
737 static int parse_image_special(const char *wps_bufptr,
738 struct wps_token *token,
739 struct wps_data *wps_data)
740 {
741 (void)wps_data; /* kill warning */
742 (void)token;
743 const char *pos = NULL;
744 const char *newline;
745
746 pos = strchr(wps_bufptr + 1, '|');
747 newline = strchr(wps_bufptr, '\n');
748
749 if (pos > newline)
750 return WPS_ERROR_INVALID_PARAM;
751 #if LCD_DEPTH > 1
752 if (token->type == WPS_TOKEN_IMAGE_BACKDROP)
753 {
754 /* format: %X|filename.bmp| */
755 bmp_names[BACKDROP_BMP] = wps_bufptr + 1;
756 }
757 #endif
758
759 /* Skip the rest of the line */
760 return skip_end_of_line(wps_bufptr);
761 }
762 #endif
763
764 #endif /* HAVE_LCD_BITMAP */
765
766 static int parse_setting(const char *wps_bufptr,
767 struct wps_token *token,
768 struct wps_data *wps_data)
769 {
770 (void)wps_data;
771 const char *ptr = wps_bufptr;
772 const char *end;
773 int i;
774
775 /* Find the setting's cfg_name */
776 if (*ptr != '|')
777 return WPS_ERROR_INVALID_PARAM;
778 ptr++;
779 end = strchr(ptr,'|');
780 if (!end)
781 return WPS_ERROR_INVALID_PARAM;
782
783 /* Find the setting */
784 for (i=0; i<nb_settings; i++)
785 if (settings[i].cfg_name &&
786 !strncmp(settings[i].cfg_name,ptr,end-ptr) &&
787 /* prevent matches on cfg_name prefixes */
788 strlen(settings[i].cfg_name)==(size_t)(end-ptr))
789 break;
790 if (i == nb_settings)
791 return WPS_ERROR_INVALID_PARAM;
792
793 /* Store the setting number */
794 token->value.i = i;
795
796 /* Skip the rest of the line */
797 return end-ptr+2;
798 }
799
800
801 static int parse_dir_level(const char *wps_bufptr,
802 struct wps_token *token,
803 struct wps_data *wps_data)
804 {
805 char val[] = { *wps_bufptr, '\0' };
806 token->value.i = atoi(val);
807 (void)wps_data; /* Kill warnings */
808 return 1;
809 }
810
811 static int parse_timeout(const char *wps_bufptr,
812 struct wps_token *token,
813 struct wps_data *wps_data)
814 {
815 int skip = 0;
816 int val = 0;
817 bool have_point = false;
818 bool have_tenth = false;
819
820 (void)wps_data; /* Kill the warning */
821
822 while ( isdigit(*wps_bufptr) || *wps_bufptr == '.' )
823 {
824 if (*wps_bufptr != '.')
825 {
826 val *= 10;
827 val += *wps_bufptr - '0';
828 if (have_point)
829 {
830 have_tenth = true;
831 wps_bufptr++;
832 skip++;
833 break;
834 }
835 }
836 else
837 have_point = true;
838
839 wps_bufptr++;
840 skip++;
841 }
842
843 if (have_tenth == false)
844 val *= 10;
845
846 if (val == 0 && skip == 0)
847 {
848 /* decide what to do if no value was specified */
849 switch (token->type)
850 {
851 case WPS_TOKEN_SUBLINE_TIMEOUT:
852 return -1;
853 case WPS_TOKEN_BUTTON_VOLUME:
854 val = 10;
855 break;
856 }
857 }
858 token->value.i = val;
859
860 return skip;
861 }
862
863 static int parse_progressbar(const char *wps_bufptr,
864 struct wps_token *token,
865 struct wps_data *wps_data)
866 {
867 (void)token; /* Kill warnings */
868 /* %pb or %pb|filename|x|y|width|height|
869 using - for any of the params uses "sane" values */
870 #ifdef HAVE_LCD_BITMAP
871 enum {
872 PB_FILENAME = 0,
873 PB_X,
874 PB_Y,
875 PB_WIDTH,
876 PB_HEIGHT
877 };
878 const char *filename;
879 int x, y, height, width;
880 uint32_t set = 0;
881 const char *ptr = wps_bufptr;
882 struct progressbar *pb;
883 struct viewport *vp = &wps_data->viewports[wps_data->num_viewports].vp;
884 #ifndef __PCTOOL__
885 int font_height = font_get(vp->font)->height;
886 #else
887 int font_height = 8;
888 #endif
889 int line_num = wps_data->num_lines -
890 wps_data->viewports[wps_data->num_viewports].first_line;
891
892 if (wps_data->progressbar_count >= MAX_PROGRESSBARS)
893 return WPS_ERROR_INVALID_PARAM;
894
895 pb = &wps_data->progressbar[wps_data->progressbar_count];
896 pb->have_bitmap_pb = false;
897
898 if (*wps_bufptr != '|') /* regular old style */
899 {
900 pb->x = 0;
901 pb->width = vp->width;
902 pb->height = SYSFONT_HEIGHT-2;
903 pb->y = -line_num - 1; /* Will be computed during the rendering */
904
905 wps_data->viewports[wps_data->num_viewports].pb = pb;
906 wps_data->progressbar_count++;
907 return 0;
908 }
909 ptr = wps_bufptr + 1;
910
911 if (!(ptr = parse_list("sdddd", &set, '|', ptr, &filename,
912 &x, &y, &width, &height)))
913 return WPS_ERROR_INVALID_PARAM;
914
915 if (LIST_VALUE_PARSED(set, PB_FILENAME)) /* filename */
916 bmp_names[PROGRESSBAR_BMP+wps_data->progressbar_count] = filename;
917
918 if (LIST_VALUE_PARSED(set, PB_X)) /* x */
919 pb->x = x;
920 else
921 pb->x = vp->x;
922
923 if (LIST_VALUE_PARSED(set, PB_WIDTH)) /* width */
924 {
925 /* A zero width causes a divide-by-zero error later, so reject it */
926 if (width == 0)
927 return WPS_ERROR_INVALID_PARAM;
928
929 pb->width = width;
930 }
931 else
932 pb->width = vp->width - pb->x;
933
934 if (LIST_VALUE_PARSED(set, PB_HEIGHT)) /* height, default to font height */
935 {
936 /* A zero height makes no sense - reject it */
937 if (height == 0)
938 return WPS_ERROR_INVALID_PARAM;
939
940 pb->height = height;
941 }
942 else
943 pb->height = font_height;
944
945 if (LIST_VALUE_PARSED(set, PB_Y)) /* y */
946 pb->y = y;
947 else
948 pb->y = -line_num - 1; /* Will be computed during the rendering */
949
950 wps_data->viewports[wps_data->num_viewports].pb = pb;
951 wps_data->progressbar_count++;
952
953 /* Skip the rest of the line */
954 return skip_end_of_line(wps_bufptr)-1;
955 #else
956
957 if (*(wps_bufptr-1) == 'f')
958 wps_data->full_line_progressbar = true;
959 else
960 wps_data->full_line_progressbar = false;
961
962 return 0;
963
964 #endif
965 }
966
967 #ifdef HAVE_ALBUMART
968 static int parse_albumart_load(const char *wps_bufptr,
969 struct wps_token *token,
970 struct wps_data *wps_data)
971 {
972 const char *_pos, *newline;
973 bool parsing;
974 (void)token; /* silence warning */
975
976 /* reset albumart info in wps */
977 wps_data->albumart_max_width = -1;
978 wps_data->albumart_max_height = -1;
979 wps_data->albumart_xalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
980 wps_data->albumart_yalign = WPS_ALBUMART_ALIGN_CENTER; /* default */
981
982 /* format: %Cl|x|y|[[l|c|r]mwidth]|[[t|c|b]mheight]| */
983
984 newline = strchr(wps_bufptr, '\n');
985
986 /* initial validation and parsing of x and y components */
987 if (*wps_bufptr != '|')
988 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl7 */
989
990 _pos = wps_bufptr + 1;
991 if (!isdigit(*_pos))
992 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl|@ */
993 wps_data->albumart_x = atoi(_pos);
994
995 _pos = strchr(_pos, '|');
996 if (!_pos || _pos > newline || !isdigit(*(++_pos)))
997 return WPS_ERROR_INVALID_PARAM; /* malformed token: e.g. %Cl|7\n or %Cl|7|@ */
998
999 wps_data->albumart_y = atoi(_pos);
1000
1001 _pos = strchr(_pos, '|');
1002 if (!_pos || _pos > newline)
1003 return WPS_ERROR_INVALID_PARAM; /* malformed token: no | after y coordinate
1004 e.g. %Cl|7|59\n */
1005
1006 /* parsing width field */
1007 parsing = true;
1008 while (parsing)
1009 {
1010 /* apply each modifier in turn */
1011 ++_pos;
1012 switch (*_pos)
1013 {
1014 case 'l':
1015 case 'L':
1016 case '+':
1017 wps_data->albumart_xalign = WPS_ALBUMART_ALIGN_LEFT;
1018 break;
1019 case 'c':
1020 case 'C':
1021 wps_data->albumart_xalign = WPS_ALBUMART_ALIGN_CENTER;
1022 break;
1023 case 'r':
1024 case 'R':
1025 case '-':
1026 wps_data->albumart_xalign = WPS_ALBUMART_ALIGN_RIGHT;
1027 break;
1028 case 'd':
1029 case 'D':
1030 case 'i':
1031 case 'I':
1032 case 's':
1033 case 'S':
1034 /* simply ignored */
1035 break;
1036 default:
1037 parsing = false;
1038 break;
1039 }
1040 }
1041 /* extract max width data */
1042 if (*_pos != '|')
1043 {
1044 if (!isdigit(*_pos)) /* malformed token: e.g. %Cl|7|59|# */
1045 return WPS_ERROR_INVALID_PARAM;
1046
1047 wps_data->albumart_max_width = atoi(_pos);
1048
1049 _pos = strchr(_pos, '|');
1050 if (!_pos || _pos > newline)
1051 return WPS_ERROR_INVALID_PARAM; /* malformed token: no | after width field
1052 e.g. %Cl|7|59|200\n */
1053 }
1054
1055 /* parsing height field */
1056 parsing = true;
1057 while (parsing)
1058 {
1059 /* apply each modifier in turn */
1060 ++_pos;
1061 switch (*_pos)
1062 {
1063 case 't':
1064 case 'T':
1065 case '-':
1066 wps_data->albumart_yalign = WPS_ALBUMART_ALIGN_TOP;
1067 break;
1068 case 'c':
1069 case 'C':
1070 wps_data->albumart_yalign = WPS_ALBUMART_ALIGN_CENTER;
1071 break;
1072 case 'b':
1073 case 'B':
1074 case '+':
1075 wps_data->albumart_yalign = WPS_ALBUMART_ALIGN_BOTTOM;
1076 break;
1077 case 'd':
1078 case 'D':
1079 case 'i':
1080 case 'I':
1081 case 's':
1082 case 'S':
1083 /* simply ignored */
1084 break;
1085 default:
1086 parsing = false;
1087 break;
1088 }
1089 }
1090 /* extract max height data */
1091 if (*_pos != '|')
1092 {
1093 if (!isdigit(*_pos))
1094 return WPS_ERROR_INVALID_PARAM; /* malformed token e.g. %Cl|7|59|200|@ */
1095
1096 wps_data->albumart_max_height = atoi(_pos);
1097
1098 _pos = strchr(_pos, '|');
1099 if (!_pos || _pos > newline)
1100 return WPS_ERROR_INVALID_PARAM; /* malformed token: no closing |
1101 e.g. %Cl|7|59|200|200\n */
1102 }
1103
1104 /* if we got here, we parsed everything ok .. ! */
1105 if (wps_data->albumart_max_width < 0)
1106 wps_data->albumart_max_width = 0;
1107 else if (wps_data->albumart_max_width > LCD_WIDTH)
1108 wps_data->albumart_max_width = LCD_WIDTH;
1109
1110 if (wps_data->albumart_max_height < 0)
1111 wps_data->albumart_max_height = 0;
1112 else if (wps_data->albumart_max_height > LCD_HEIGHT)
1113 wps_data->albumart_max_height = LCD_HEIGHT;
1114
1115 wps_data->wps_uses_albumart = WPS_ALBUMART_LOAD;
1116
1117 /* Skip the rest of the line */
1118 return skip_end_of_line(wps_bufptr);
1119 }
1120
1121 static int parse_albumart_conditional(const char *wps_bufptr,
1122 struct wps_token *token,
1123 struct wps_data *wps_data)
1124 {
1125 struct wps_token *prevtoken = token;
1126 --prevtoken;
1127 if (wps_data->num_tokens >= 1 && prevtoken->type == WPS_TOKEN_CONDITIONAL)
1128 {
1129 /* This %C is part of a %?C construct.
1130 It's either %?C<blah> or %?Cn<blah> */
1131 token->type = WPS_TOKEN_ALBUMART_FOUND;
1132 if (*wps_bufptr == 'n' && *(wps_bufptr + 1) == '<')
1133 {
1134 token->next = true;
1135 return 1;
1136 }
1137 else if (*wps_bufptr == '<')
1138 {
1139 return 0;
1140 }
1141 else
1142 {
1143 token->type = WPS_NO_TOKEN;
1144 return 0;
1145 }
1146 }
1147 else
1148 {
1149 /* This %C tag is in a conditional construct. */
1150 wps_data->albumart_cond_index = condindex[level];
1151 return 0;
1152 }
1153 };
1154 #endif /* HAVE_ALBUMART */
1155
1156 #ifdef HAVE_TOUCHSCREEN
1157
1158 struct touchaction {char* s; int action;};
1159 static struct touchaction touchactions[] = {
1160 {"play", ACTION_WPS_PLAY }, {"stop", ACTION_WPS_STOP },
1161 {"prev", ACTION_WPS_SKIPPREV }, {"next", ACTION_WPS_SKIPNEXT },
1162 {"ffwd", ACTION_WPS_SEEKFWD }, {"rwd", ACTION_WPS_SEEKBACK },
1163 {"menu", ACTION_WPS_MENU }, {"browse", ACTION_WPS_BROWSE },
1164 {"shuffle", ACTION_TOUCH_SHUFFLE }, {"repmode", ACTION_TOUCH_REPMODE },
1165 {"quickscreen", ACTION_WPS_QUICKSCREEN },{"contextmenu", ACTION_WPS_CONTEXT },
1166 };
1167 static int parse_touchregion(const char *wps_bufptr,
1168 struct wps_token *token, struct wps_data *wps_data)
1169 {
1170 (void)token;
1171 unsigned i;
1172 struct touchregion *region;
1173 const char *ptr = wps_bufptr;
1174 const char *action;
1175 int x,y,w,h;
1176
1177 /* format: %T|x|y|width|height|action|
1178 * if action starts with & the area must be held to happen
1179 * action is one of:
1180 * play - play/pause playback
1181 * stop - stop playback, exit the wps
1182 * prev - prev track
1183 * next - next track
1184 * ffwd - seek forward
1185 * rwd - seek backwards
1186 * menu - go back to the main menu
1187 * browse - go back to the file/db browser
1188 * shuffle - toggle shuffle mode
1189 * repmode - cycle the repeat mode
1190 * quickscreen - go into the quickscreen
1191 * contextmenu - open the context menu
1192 */
1193
1194 if ((wps_data->touchregion_count +1 >= MAX_TOUCHREGIONS) || (*ptr != '|'))
1195 return WPS_ERROR_INVALID_PARAM;
1196 ptr++;
1197
1198 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1199 return WPS_ERROR_INVALID_PARAM;
1200
1201 /* Check there is a terminating | */
1202 if (*ptr != '|')
1203 return WPS_ERROR_INVALID_PARAM;
1204
1205 /* should probably do some bounds checking here with the viewport... but later */
1206 region = &wps_data->touchregion[wps_data->touchregion_count];
1207 region->action = ACTION_NONE;
1208 region->x = x;
1209 region->y = y;
1210 region->width = w;
1211 region->height = h;
1212 region->wvp = &wps_data->viewports[wps_data->num_viewports];
1213 i = 0;
1214 if (*action == '&')
1215 {
1216 action++;
1217 region->repeat = true;
1218 }
1219 else
1220 region->repeat = false;
1221
1222 while ((region->action == ACTION_NONE) &&
1223 (i < sizeof(touchactions)/sizeof(*touchactions)))
1224 {
1225 if (!strncmp(touchactions[i].s, action, strlen(touchactions[i].s)))
1226 region->action = touchactions[i].action;
1227 i++;
1228 }
1229 if (region->action == ACTION_NONE)
1230 return WPS_ERROR_INVALID_PARAM;
1231 wps_data->touchregion_count++;
1232 return skip_end_of_line(wps_bufptr);
1233 }
1234 #endif
1235
1236 /* Parse a generic token from the given string. Return the length read */
1237 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1238 {
1239 int skip = 0, taglen = 0, ret;
1240 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1241 const struct wps_tag *tag;
1242
1243 switch(*wps_bufptr)
1244 {
1245
1246 case '%':
1247 case '<':
1248 case '|':
1249 case '>':
1250 case ';':
1251 case '#':
1252 /* escaped characters */
1253 token->type = WPS_TOKEN_CHARACTER;
1254 token->value.c = *wps_bufptr;
1255 taglen = 1;
1256 wps_data->num_tokens++;
1257 break;
1258
1259 case '?':
1260 /* conditional tag */
1261 token->type = WPS_TOKEN_CONDITIONAL;
1262 level++;
1263 condindex[level] = wps_data->num_tokens;
1264 numoptions[level] = 1;
1265 wps_data->num_tokens++;
1266 ret = parse_token(wps_bufptr + 1, wps_data);
1267 if (ret < 0) return ret;
1268 taglen = 1 + ret;
1269 break;
1270
1271 default:
1272 /* find what tag we have */
1273 for (tag = all_tags;
1274 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1275 tag++) ;
1276
1277 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1278 token->type = tag->type;
1279 wps_data->sublines[wps_data->num_sublines].line_type |=
1280 tag->refresh_type;
1281
1282 /* if the tag has a special parsing function, we call it */
1283 if (tag->parse_func)
1284 {
1285 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1286 if (ret < 0) return ret;
1287 skip += ret;
1288 }
1289
1290 /* Some tags we don't want to save as tokens */
1291 if (tag->type == WPS_NO_TOKEN)
1292 break;
1293
1294 /* tags that start with 'F', 'I' or 'D' are for the next file */
1295 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1296 *(tag->name) == 'D')
1297 token->next = true;
1298
1299 wps_data->num_tokens++;
1300 break;
1301 }
1302
1303 skip += taglen;
1304 return skip;
1305 }
1306
1307 /* Parses the WPS.
1308 data is the pointer to the structure where the parsed WPS should be stored.
1309 It is initialised.
1310 wps_bufptr points to the string containing the WPS tags */
1311 static bool wps_parse(struct wps_data *data, const char *wps_bufptr)
1312 {
1313 if (!data || !wps_bufptr || !*wps_bufptr)
1314 return false;
1315
1316 char *stringbuf = data->string_buffer;
1317 int stringbuf_used = 0;
1318 enum wps_parse_error fail = PARSE_OK;
1319 int ret;
1320 line = 1;
1321 level = -1;
1322
1323 while(*wps_bufptr && !fail && data->num_tokens < WPS_MAX_TOKENS - 1
1324 && data->num_viewports < WPS_MAX_VIEWPORTS
1325 && data->num_lines < WPS_MAX_LINES)
1326 {
1327 switch(*wps_bufptr++)
1328 {
1329
1330 /* Regular tag */
1331 case '%':
1332 if ((ret = parse_token(wps_bufptr, data)) < 0)
1333 {
1334 fail = PARSE_FAIL_COND_INVALID_PARAM;
1335 break;
1336 }
1337 else if (level >= WPS_MAX_COND_LEVEL - 1)
1338 {
1339 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1340 break;
1341 }
1342 wps_bufptr += ret;
1343 break;
1344
1345 /* Alternating sublines separator */
1346 case ';':
1347 if (level >= 0) /* there are unclosed conditionals */
1348 {
1349 fail = PARSE_FAIL_UNCLOSED_COND;
1350 break;
1351 }
1352
1353 if (data->num_sublines+1 < WPS_MAX_SUBLINES)
1354 wps_start_new_subline(data);
1355 else
1356 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1357
1358 break;
1359
1360 /* Conditional list start */
1361 case '<':
1362 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1363 {
1364 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1365 break;
1366 }
1367
1368 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1369 lastcond[level] = data->num_tokens++;
1370 break;
1371
1372 /* Conditional list end */
1373 case '>':
1374 if (level < 0) /* not in a conditional, invalid char */
1375 {
1376 fail = PARSE_FAIL_INVALID_CHAR;
1377 break;
1378 }
1379
1380 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1381 if (lastcond[level])
1382 data->tokens[lastcond[level]].value.i = data->num_tokens;
1383 else
1384 {
1385 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1386 break;
1387 }
1388
1389 lastcond[level] = 0;
1390 data->num_tokens++;
1391 data->tokens[condindex[level]].value.i = numoptions[level];
1392 level--;
1393 break;
1394
1395 /* Conditional list option */
1396 case '|':
1397 if (level < 0) /* not in a conditional, invalid char */
1398 {
1399 fail = PARSE_FAIL_INVALID_CHAR;
1400 break;
1401 }
1402
1403 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1404 if (lastcond[level])
1405 data->tokens[lastcond[level]].value.i = data->num_tokens;
1406 else
1407 {
1408 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1409 break;
1410 }
1411
1412 lastcond[level] = data->num_tokens;
1413 numoptions[level]++;
1414 data->num_tokens++;
1415 break;
1416
1417 /* Comment */
1418 case '#':
1419 if (level >= 0) /* there are unclosed conditionals */
1420 {
1421 fail = PARSE_FAIL_UNCLOSED_COND;
1422 break;
1423 }
1424
1425 wps_bufptr += skip_end_of_line(wps_bufptr);
1426 break;
1427
1428 /* End of this line */
1429 case '\n':
1430 if (level >= 0) /* there are unclosed conditionals */
1431 {
1432 fail = PARSE_FAIL_UNCLOSED_COND;
1433 break;
1434 }
1435
1436 line++;
1437 wps_start_new_subline(data);
1438 data->num_lines++; /* Start a new line */
1439
1440 if ((data->num_lines < WPS_MAX_LINES) &&
1441 (data->num_sublines < WPS_MAX_SUBLINES))
1442 {
1443 data->lines[data->num_lines].first_subline_idx =
1444 data->num_sublines;
1445
1446 data->sublines[data->num_sublines].first_token_idx =
1447 data->num_tokens;
1448 }
1449
1450 break;
1451
1452 /* String */
1453 default:
1454 {
1455 unsigned int len = 1;
1456 const char *string_start = wps_bufptr - 1;
1457
1458 /* find the length of the string */
1459 while (*wps_bufptr && *wps_bufptr != '#' &&
1460 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1461 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1462 *wps_bufptr != '|' && *wps_bufptr != '\n')
1463 {
1464 wps_bufptr++;
1465 len++;
1466 }
1467
1468 /* look if we already have that string */
1469 char **str;
1470 int i;
1471 bool found;
1472 for (i = 0, str = data->strings, found = false;
1473 i < data->num_strings &&
1474 !(found = (strlen(*str) == len &&
1475 strncmp(string_start, *str, len) == 0));
1476 i++, str++);
1477 /* If a matching string is found, found is true and i is
1478 the index of the string. If not, found is false */
1479
1480 if (!found)
1481 {
1482 /* new string */
1483
1484 if (stringbuf_used + len > STRING_BUFFER_SIZE - 1
1485 || data->num_strings >= WPS_MAX_STRINGS)
1486 {
1487 /* too many strings or characters */
1488 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1489 break;
1490 }
1491
1492 strncpy(stringbuf, string_start, len);
1493 *(stringbuf + len) = '\0';
1494
1495 data->strings[data->num_strings] = stringbuf;
1496 stringbuf += len + 1;
1497 stringbuf_used += len + 1;
1498 data->tokens[data->num_tokens].value.i =
1499 data->num_strings;
1500 data->num_strings++;
1501 }
1502 else
1503 {
1504 /* another occurrence of an existing string */
1505 data->tokens[data->num_tokens].value.i = i;
1506 }
1507 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1508 data->num_tokens++;
1509 }
1510 break;
1511 }
1512 }
1513
1514 if (!fail && level >= 0) /* there are unclosed conditionals */
1515 fail = PARSE_FAIL_UNCLOSED_COND;
1516
1517 if (*wps_bufptr && !fail)
1518 /* one of the limits of the while loop was exceeded */
1519 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1520
1521 data->viewports[data->num_viewports].last_line = data->num_lines - 1;
1522
1523 /* We have finished with the last viewport, so increment count */
1524 data->num_viewports++;
1525
1526 #if defined(DEBUG) || defined(SIMULATOR)
1527 print_debug_info(data, fail, line);
1528 #endif
1529
1530 return (fail == 0);
1531 }
1532
1533 #ifdef HAVE_LCD_BITMAP
1534 /* Clear the WPS image cache */
1535 static void wps_images_clear(struct wps_data *data)
1536 {
1537 int i;
1538 /* set images to unloaded and not displayed */
1539 for (i = 0; i < MAX_IMAGES; i++)
1540 {
1541 data->img[i].loaded = false;
1542 data->img[i].display = -1;
1543 data->img[i].always_display = false;
1544 data->img[i].num_subimages = 1;
1545 }
1546 }
1547 #endif
1548
1549 /* initial setup of wps_data */
1550 void wps_data_init(struct wps_data *wps_data)
1551 {
1552 #ifdef HAVE_LCD_BITMAP
1553 wps_images_clear(wps_data);
1554 wps_data->wps_sb_tag = false;
1555 wps_data->show_sb_on_wps = false;
1556 wps_data->img_buf_ptr = wps_data->img_buf; /* where in image buffer */
1557 wps_data->img_buf_free = IMG_BUFSIZE; /* free space in image buffer */
1558 wps_data->peak_meter_enabled = false;
1559 /* progress bars */
1560 wps_data->progressbar_count = 0;
1561 #else /* HAVE_LCD_CHARCELLS */
1562 int i;
1563 for (i = 0; i < 8; i++)
1564 {
1565 wps_data->wps_progress_pat[i] = 0;
1566 }
1567 wps_data->full_line_progressbar = false;
1568 #endif
1569 wps_data->button_time_volume = 0;
1570 wps_data->wps_loaded = false;
1571 }
1572
1573 static void wps_reset(struct wps_data *data)
1574 {
1575 #ifdef HAVE_REMOTE_LCD
1576 bool rwps = data->remote_wps; /* remember whether the data is for a RWPS */
1577 #endif
1578 memset(data, 0, sizeof(*data));
1579 wps_data_init(data);
1580 #ifdef HAVE_REMOTE_LCD
1581 data->remote_wps = rwps;
1582 #endif
1583 }
1584
1585 #ifdef HAVE_LCD_BITMAP
1586
1587 static bool load_wps_bitmaps(struct wps_data *wps_data, char *bmpdir)
1588 {
1589 char img_path[MAX_PATH];
1590 struct bitmap *bitmap;
1591 bool *loaded;
1592 int n;
1593 for (n = 0; n < BACKDROP_BMP; n++)
1594 {
1595 if (bmp_names[n])
1596 {
1597 get_image_filename(bmp_names[n], bmpdir,
1598 img_path, sizeof(img_path));
1599
1600 if (n >= PROGRESSBAR_BMP ) {
1601 /* progressbar bitmap */
1602 bitmap = &wps_data->progressbar[n-PROGRESSBAR_BMP].bm;
1603 loaded = &wps_data->progressbar[n-PROGRESSBAR_BMP].have_bitmap_pb;
1604 } else {
1605 /* regular bitmap */
1606 bitmap = &wps_data->img[n].bm;
1607 loaded = &wps_data->img[n].loaded;
1608 }
1609
1610 /* load the image */
1611 bitmap->data = wps_data->img_buf_ptr;
1612 if (load_bitmap(wps_data, img_path, bitmap))
1613 {
1614 *loaded = true;
1615
1616 /* Calculate and store height if this image has sub-images */
1617 if (n < MAX_IMAGES)
1618 wps_data->img[n].subimage_height = wps_data->img[n].bm.height /
1619 wps_data->img[n].num_subimages;
1620 }
1621 else
1622 {
1623 /* Abort if we can't load an image */
1624 DEBUGF("ERR: Failed to load image %d - %s\n",n,img_path);
1625 return false;
1626 }
1627 }
1628 }
1629
1630 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1631 if (bmp_names[BACKDROP_BMP])
1632 {
1633 get_image_filename(bmp_names[BACKDROP_BMP], bmpdir,
1634 img_path, sizeof(img_path));
1635
1636 #if defined(HAVE_REMOTE_LCD)
1637 /* We only need to check LCD type if there is a remote LCD */
1638 if (!wps_data->remote_wps)
1639 #endif
1640 {
1641 /* Load backdrop for the main LCD */
1642 if (!load_wps_backdrop(img_path))
1643 return false;
1644 }
1645 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1646 else
1647 {
1648 /* Load backdrop for the remote LCD */
1649 if (!load_remote_wps_backdrop(img_path))
1650 return false;
1651 }
1652 #endif
1653 }
1654 #endif /* has backdrop support */
1655
1656 /* If we got here, everything was OK */
1657 return true;
1658 }
1659
1660 #endif /* HAVE_LCD_BITMAP */
1661
1662 /* to setup up the wps-data from a format-buffer (isfile = false)
1663 from a (wps-)file (isfile = true)*/
1664 bool wps_data_load(struct wps_data *wps_data,
1665 struct screen *display,
1666 const char *buf,
1667 bool isfile)
1668 {
1669 #ifdef HAVE_ALBUMART
1670 struct mp3entry *curtrack;
1671 long offset;
1672 int status;
1673 int wps_uses_albumart = wps_data->wps_uses_albumart;
1674 int albumart_max_height = wps_data->albumart_max_height;
1675 int albumart_max_width = wps_data->albumart_max_width;
1676 #endif
1677 if (!wps_data || !buf)
1678 return false;
1679
1680 wps_reset(wps_data);
1681
1682 /* Initialise the first (default) viewport */
1683 wps_data->viewports[0].vp.x = 0;
1684 wps_data->viewports[0].vp.width = display->getwidth();
1685 if (!global_settings.statusbar)
1686 {
1687 wps_data->viewports[0].vp.y = 0;
1688 wps_data->viewports[0].vp.height = display->getheight();
1689 }
1690 else
1691 {
1692 wps_data->viewports[0].vp.y = STATUSBAR_HEIGHT;
1693 wps_data->viewports[0].vp.height = display->getheight() -
1694 STATUSBAR_HEIGHT;
1695 }
1696 #ifdef HAVE_LCD_BITMAP
1697 wps_data->viewports[0].vp.font = FONT_UI;
1698 wps_data->viewports[0].vp.drawmode = DRMODE_SOLID;
1699 #endif
1700 #if LCD_DEPTH > 1
1701 if (display->depth > 1)
1702 {
1703 wps_data->viewports[0].vp.fg_pattern = display->get_foreground();
1704 wps_data->viewports[0].vp.bg_pattern = display->get_background();
1705 }
1706 #endif
1707 if (!isfile)
1708 {
1709 return wps_parse(wps_data, buf);
1710 }
1711 else
1712 {
1713 /*
1714 * Hardcode loading WPS_DEFAULTCFG to cause a reset ideally this
1715 * wants to be a virtual file. Feel free to modify dirbrowse()
1716 * if you're feeling brave.
1717 */
1718 #ifndef __PCTOOL__
1719 if (! strcmp(buf, WPS_DEFAULTCFG) )
1720 {
1721 global_settings.wps_file[0] = 0;
1722 return false;
1723 }
1724
1725 #ifdef HAVE_REMOTE_LCD
1726 if (! strcmp(buf, RWPS_DEFAULTCFG) )
1727 {
1728 global_settings.rwps_file[0] = 0;
1729 return false;
1730 }
1731 #endif
1732 #endif /* __PCTOOL__ */
1733
1734 int fd = open_utf8(buf, O_RDONLY);
1735
1736 if (fd < 0)
1737 return false;
1738
1739 /* get buffer space from the plugin buffer */
1740 size_t buffersize = 0;
1741 char *wps_buffer = (char *)plugin_get_buffer(&buffersize);
1742
1743 if (!wps_buffer)
1744 return false;
1745
1746 /* copy the file's content to the buffer for parsing,
1747 ensuring that every line ends with a newline char. */
1748 unsigned int start = 0;
1749 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
1750 {
1751 start += strlen(wps_buffer + start);
1752 if (start < buffersize - 1)
1753 {
1754 wps_buffer[start++] = '\n';
1755 wps_buffer[start] = 0;
1756 }
1757 }
1758
1759 close(fd);
1760
1761 if (start <= 0)
1762 return false;
1763
1764 #ifdef HAVE_LCD_BITMAP
1765 /* Set all filename pointers to NULL */
1766 memset(bmp_names, 0, sizeof(bmp_names));
1767 #endif
1768
1769 /* parse the WPS source */
1770 if (!wps_parse(wps_data, wps_buffer)) {
1771 wps_reset(wps_data);
1772 return false;
1773 }
1774
1775 wps_data->wps_loaded = true;
1776
1777 #ifdef HAVE_LCD_BITMAP
1778 /* get the bitmap dir */
1779 char bmpdir[MAX_PATH];
1780 size_t bmpdirlen;
1781 char *dot = strrchr(buf, '.');
1782 bmpdirlen = dot - buf;
1783 strncpy(bmpdir, buf, dot - buf);
1784 bmpdir[bmpdirlen] = 0;
1785
1786 /* load the bitmaps that were found by the parsing */
1787 if (!load_wps_bitmaps(wps_data, bmpdir)) {
1788 wps_reset(wps_data);
1789 return false;
1790 }
1791 #endif
1792 #ifdef HAVE_ALBUMART
1793 status = audio_status();
1794 if (((!wps_uses_albumart && wps_data->wps_uses_albumart) ||
1795 (wps_data->wps_uses_albumart &&
1796 (albumart_max_height != wps_data->albumart_max_height ||
1797 albumart_max_width != wps_data->albumart_max_width))) &&
1798 status & AUDIO_STATUS_PLAY)
1799 {
1800 curtrack = audio_current_track();
1801 offset = curtrack->offset;
1802 audio_stop();
1803 if (!(status & AUDIO_STATUS_PAUSE))
1804 audio_play(offset);
1805 }
1806 #endif
1807 return true;
1808 }
1809 }
1810
1811 int wps_subline_index(struct wps_data *data, int line, int subline)
1812 {
1813 return data->lines[line].first_subline_idx + subline;
1814 }
1815
1816 int wps_first_token_index(struct wps_data *data, int line, int subline)
1817 {
1818 int first_subline_idx = data->lines[line].first_subline_idx;
1819 return data->sublines[first_subline_idx + subline].first_token_idx;
1820 }
1821
1822 int wps_last_token_index(struct wps_data *data, int line, int subline)
1823 {
1824 int first_subline_idx = data->lines[line].first_subline_idx;
1825 int idx = first_subline_idx + subline;
1826 if (idx < data->num_sublines - 1)
1827 {
1828 /* This subline ends where the next begins */
1829 return data->sublines[idx+1].first_token_idx - 1;
1830 }
1831 else
1832 {
1833 /* The last subline goes to the end */
1834 return data->num_tokens - 1;
1835 }
1836 }
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