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Touchscreen targets: add basic progress bar & volume handling
[kugel-rb.git] / apps / gui / wps_engine / wps_parser.c
blob91c63059b0515dd89caaaf908b80e30db2693058
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 "wps_internals.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 {"playlist", ACTION_WPS_VIEW_PLAYLIST },
1167 };
1168 static int parse_touchregion(const char *wps_bufptr,
1169 struct wps_token *token, struct wps_data *wps_data)
1170 {
1171 (void)token;
1172 unsigned i, imax;
1173 struct touchregion *region;
1174 const char *ptr = wps_bufptr;
1175 const char *action;
1176 const char pb_string[] = "progressbar";
1177 const char vol_string[] = "volume";
1178 int x,y,w,h;
1179
1180 /* format: %T|x|y|width|height|action|
1181 * if action starts with & the area must be held to happen
1182 * action is one of:
1183 * play - play/pause playback
1184 * stop - stop playback, exit the wps
1185 * prev - prev track
1186 * next - next track
1187 * ffwd - seek forward
1188 * rwd - seek backwards
1189 * menu - go back to the main menu
1190 * browse - go back to the file/db browser
1191 * shuffle - toggle shuffle mode
1192 * repmode - cycle the repeat mode
1193 * quickscreen - go into the quickscreen
1194 * contextmenu - open the context menu
1195 */
1196
1197
1198 if ((wps_data->touchregion_count +1 >= MAX_TOUCHREGIONS) || (*ptr != '|'))
1199 return WPS_ERROR_INVALID_PARAM;
1200 ptr++;
1201
1202 if (!(ptr = parse_list("dddds", NULL, '|', ptr, &x, &y, &w, &h, &action)))
1203 return WPS_ERROR_INVALID_PARAM;
1204
1205 /* Check there is a terminating | */
1206 if (*ptr != '|')
1207 return WPS_ERROR_INVALID_PARAM;
1208
1209 /* should probably do some bounds checking here with the viewport... but later */
1210 region = &wps_data->touchregion[wps_data->touchregion_count];
1211 region->action = ACTION_NONE;
1212 region->x = x;
1213 region->y = y;
1214 region->width = w;
1215 region->height = h;
1216 region->wvp = &wps_data->viewports[wps_data->num_viewports];
1217
1218 if(!strncmp(pb_string, action, sizeof(pb_string)-1)
1219 && *(action + sizeof(pb_string)-1) == '|')
1220 region->type = WPS_TOUCHREGION_SCROLLBAR;
1221 else if(!strncmp(vol_string, action, sizeof(vol_string)-1)
1222 && *(action + sizeof(vol_string)-1) == '|')
1223 region->type = WPS_TOUCHREGION_VOLUME;
1224 else
1225 {
1226 region->type = WPS_TOUCHREGION_ACTION;
1227
1228 if (*action == '&')
1229 {
1230 action++;
1231 region->repeat = true;
1232 }
1233 else
1234 region->repeat = false;
1235
1236 i = 0;
1237 imax = ARRAYLEN(touchactions);
1238 while ((region->action == ACTION_NONE) &&
1239 (i < imax))
1240 {
1241 /* try to match with one of our touchregion screens */
1242 int len = strlen(touchactions[i].s);
1243 if (!strncmp(touchactions[i].s, action, len)
1244 && *(action+len) == '|')
1245 region->action = touchactions[i].action;
1246 i++;
1247 }
1248 if (region->action == ACTION_NONE)
1249 return WPS_ERROR_INVALID_PARAM;
1250 }
1251
1252 wps_data->touchregion_count++;
1253 return skip_end_of_line(wps_bufptr);
1254 }
1255 #endif
1256
1257 /* Parse a generic token from the given string. Return the length read */
1258 static int parse_token(const char *wps_bufptr, struct wps_data *wps_data)
1259 {
1260 int skip = 0, taglen = 0, ret;
1261 struct wps_token *token = wps_data->tokens + wps_data->num_tokens;
1262 const struct wps_tag *tag;
1263
1264 switch(*wps_bufptr)
1265 {
1266
1267 case '%':
1268 case '<':
1269 case '|':
1270 case '>':
1271 case ';':
1272 case '#':
1273 /* escaped characters */
1274 token->type = WPS_TOKEN_CHARACTER;
1275 token->value.c = *wps_bufptr;
1276 taglen = 1;
1277 wps_data->num_tokens++;
1278 break;
1279
1280 case '?':
1281 /* conditional tag */
1282 token->type = WPS_TOKEN_CONDITIONAL;
1283 level++;
1284 condindex[level] = wps_data->num_tokens;
1285 numoptions[level] = 1;
1286 wps_data->num_tokens++;
1287 ret = parse_token(wps_bufptr + 1, wps_data);
1288 if (ret < 0) return ret;
1289 taglen = 1 + ret;
1290 break;
1291
1292 default:
1293 /* find what tag we have */
1294 for (tag = all_tags;
1295 strncmp(wps_bufptr, tag->name, strlen(tag->name)) != 0;
1296 tag++) ;
1297
1298 taglen = (tag->type != WPS_TOKEN_UNKNOWN) ? strlen(tag->name) : 2;
1299 token->type = tag->type;
1300 wps_data->sublines[wps_data->num_sublines].line_type |=
1301 tag->refresh_type;
1302
1303 /* if the tag has a special parsing function, we call it */
1304 if (tag->parse_func)
1305 {
1306 ret = tag->parse_func(wps_bufptr + taglen, token, wps_data);
1307 if (ret < 0) return ret;
1308 skip += ret;
1309 }
1310
1311 /* Some tags we don't want to save as tokens */
1312 if (tag->type == WPS_NO_TOKEN)
1313 break;
1314
1315 /* tags that start with 'F', 'I' or 'D' are for the next file */
1316 if ( *(tag->name) == 'I' || *(tag->name) == 'F' ||
1317 *(tag->name) == 'D')
1318 token->next = true;
1319
1320 wps_data->num_tokens++;
1321 break;
1322 }
1323
1324 skip += taglen;
1325 return skip;
1326 }
1327
1328 /* Parses the WPS.
1329 data is the pointer to the structure where the parsed WPS should be stored.
1330 It is initialised.
1331 wps_bufptr points to the string containing the WPS tags */
1332 static bool wps_parse(struct wps_data *data, const char *wps_bufptr)
1333 {
1334 if (!data || !wps_bufptr || !*wps_bufptr)
1335 return false;
1336
1337 char *stringbuf = data->string_buffer;
1338 int stringbuf_used = 0;
1339 enum wps_parse_error fail = PARSE_OK;
1340 int ret;
1341 line = 1;
1342 level = -1;
1343
1344 while(*wps_bufptr && !fail && data->num_tokens < WPS_MAX_TOKENS - 1
1345 && data->num_viewports < WPS_MAX_VIEWPORTS
1346 && data->num_lines < WPS_MAX_LINES)
1347 {
1348 switch(*wps_bufptr++)
1349 {
1350
1351 /* Regular tag */
1352 case '%':
1353 if ((ret = parse_token(wps_bufptr, data)) < 0)
1354 {
1355 fail = PARSE_FAIL_COND_INVALID_PARAM;
1356 break;
1357 }
1358 else if (level >= WPS_MAX_COND_LEVEL - 1)
1359 {
1360 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1361 break;
1362 }
1363 wps_bufptr += ret;
1364 break;
1365
1366 /* Alternating sublines separator */
1367 case ';':
1368 if (level >= 0) /* there are unclosed conditionals */
1369 {
1370 fail = PARSE_FAIL_UNCLOSED_COND;
1371 break;
1372 }
1373
1374 if (data->num_sublines+1 < WPS_MAX_SUBLINES)
1375 wps_start_new_subline(data);
1376 else
1377 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1378
1379 break;
1380
1381 /* Conditional list start */
1382 case '<':
1383 if (data->tokens[data->num_tokens-2].type != WPS_TOKEN_CONDITIONAL)
1384 {
1385 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1386 break;
1387 }
1388
1389 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_START;
1390 lastcond[level] = data->num_tokens++;
1391 break;
1392
1393 /* Conditional list end */
1394 case '>':
1395 if (level < 0) /* not in a conditional, invalid char */
1396 {
1397 fail = PARSE_FAIL_INVALID_CHAR;
1398 break;
1399 }
1400
1401 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_END;
1402 if (lastcond[level])
1403 data->tokens[lastcond[level]].value.i = data->num_tokens;
1404 else
1405 {
1406 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1407 break;
1408 }
1409
1410 lastcond[level] = 0;
1411 data->num_tokens++;
1412 data->tokens[condindex[level]].value.i = numoptions[level];
1413 level--;
1414 break;
1415
1416 /* Conditional list option */
1417 case '|':
1418 if (level < 0) /* not in a conditional, invalid char */
1419 {
1420 fail = PARSE_FAIL_INVALID_CHAR;
1421 break;
1422 }
1423
1424 data->tokens[data->num_tokens].type = WPS_TOKEN_CONDITIONAL_OPTION;
1425 if (lastcond[level])
1426 data->tokens[lastcond[level]].value.i = data->num_tokens;
1427 else
1428 {
1429 fail = PARSE_FAIL_COND_SYNTAX_ERROR;
1430 break;
1431 }
1432
1433 lastcond[level] = data->num_tokens;
1434 numoptions[level]++;
1435 data->num_tokens++;
1436 break;
1437
1438 /* Comment */
1439 case '#':
1440 if (level >= 0) /* there are unclosed conditionals */
1441 {
1442 fail = PARSE_FAIL_UNCLOSED_COND;
1443 break;
1444 }
1445
1446 wps_bufptr += skip_end_of_line(wps_bufptr);
1447 break;
1448
1449 /* End of this line */
1450 case '\n':
1451 if (level >= 0) /* there are unclosed conditionals */
1452 {
1453 fail = PARSE_FAIL_UNCLOSED_COND;
1454 break;
1455 }
1456
1457 line++;
1458 wps_start_new_subline(data);
1459 data->num_lines++; /* Start a new line */
1460
1461 if ((data->num_lines < WPS_MAX_LINES) &&
1462 (data->num_sublines < WPS_MAX_SUBLINES))
1463 {
1464 data->lines[data->num_lines].first_subline_idx =
1465 data->num_sublines;
1466
1467 data->sublines[data->num_sublines].first_token_idx =
1468 data->num_tokens;
1469 }
1470
1471 break;
1472
1473 /* String */
1474 default:
1475 {
1476 unsigned int len = 1;
1477 const char *string_start = wps_bufptr - 1;
1478
1479 /* find the length of the string */
1480 while (*wps_bufptr && *wps_bufptr != '#' &&
1481 *wps_bufptr != '%' && *wps_bufptr != ';' &&
1482 *wps_bufptr != '<' && *wps_bufptr != '>' &&
1483 *wps_bufptr != '|' && *wps_bufptr != '\n')
1484 {
1485 wps_bufptr++;
1486 len++;
1487 }
1488
1489 /* look if we already have that string */
1490 char **str;
1491 int i;
1492 bool found;
1493 for (i = 0, str = data->strings, found = false;
1494 i < data->num_strings &&
1495 !(found = (strlen(*str) == len &&
1496 strncmp(string_start, *str, len) == 0));
1497 i++, str++);
1498 /* If a matching string is found, found is true and i is
1499 the index of the string. If not, found is false */
1500
1501 if (!found)
1502 {
1503 /* new string */
1504
1505 if (stringbuf_used + len > STRING_BUFFER_SIZE - 1
1506 || data->num_strings >= WPS_MAX_STRINGS)
1507 {
1508 /* too many strings or characters */
1509 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1510 break;
1511 }
1512
1513 strlcpy(stringbuf, string_start, len+1);
1514
1515 data->strings[data->num_strings] = stringbuf;
1516 stringbuf += len + 1;
1517 stringbuf_used += len + 1;
1518 data->tokens[data->num_tokens].value.i =
1519 data->num_strings;
1520 data->num_strings++;
1521 }
1522 else
1523 {
1524 /* another occurrence of an existing string */
1525 data->tokens[data->num_tokens].value.i = i;
1526 }
1527 data->tokens[data->num_tokens].type = WPS_TOKEN_STRING;
1528 data->num_tokens++;
1529 }
1530 break;
1531 }
1532 }
1533
1534 if (!fail && level >= 0) /* there are unclosed conditionals */
1535 fail = PARSE_FAIL_UNCLOSED_COND;
1536
1537 if (*wps_bufptr && !fail)
1538 /* one of the limits of the while loop was exceeded */
1539 fail = PARSE_FAIL_LIMITS_EXCEEDED;
1540
1541 data->viewports[data->num_viewports].last_line = data->num_lines - 1;
1542
1543 /* We have finished with the last viewport, so increment count */
1544 data->num_viewports++;
1545
1546 #if defined(DEBUG) || defined(SIMULATOR)
1547 print_debug_info(data, fail, line);
1548 #endif
1549
1550 return (fail == 0);
1551 }
1552
1553 #ifdef HAVE_LCD_BITMAP
1554 /* Clear the WPS image cache */
1555 static void wps_images_clear(struct wps_data *data)
1556 {
1557 int i;
1558 /* set images to unloaded and not displayed */
1559 for (i = 0; i < MAX_IMAGES; i++)
1560 {
1561 data->img[i].loaded = false;
1562 data->img[i].display = -1;
1563 data->img[i].always_display = false;
1564 data->img[i].num_subimages = 1;
1565 }
1566 }
1567 #endif
1568
1569 /* initial setup of wps_data */
1570 void wps_data_init(struct wps_data *wps_data)
1571 {
1572 #ifdef HAVE_LCD_BITMAP
1573 wps_images_clear(wps_data);
1574 wps_data->wps_sb_tag = false;
1575 wps_data->show_sb_on_wps = false;
1576 wps_data->img_buf_ptr = wps_data->img_buf; /* where in image buffer */
1577 wps_data->img_buf_free = IMG_BUFSIZE; /* free space in image buffer */
1578 wps_data->peak_meter_enabled = false;
1579 /* progress bars */
1580 wps_data->progressbar_count = 0;
1581 #else /* HAVE_LCD_CHARCELLS */
1582 int i;
1583 for (i = 0; i < 8; i++)
1584 {
1585 wps_data->wps_progress_pat[i] = 0;
1586 }
1587 wps_data->full_line_progressbar = false;
1588 #endif
1589 wps_data->button_time_volume = 0;
1590 wps_data->wps_loaded = false;
1591 }
1592
1593 static void wps_reset(struct wps_data *data)
1594 {
1595 #ifdef HAVE_REMOTE_LCD
1596 bool rwps = data->remote_wps; /* remember whether the data is for a RWPS */
1597 #endif
1598 memset(data, 0, sizeof(*data));
1599 wps_data_init(data);
1600 #ifdef HAVE_REMOTE_LCD
1601 data->remote_wps = rwps;
1602 #endif
1603 }
1604
1605 #ifdef HAVE_LCD_BITMAP
1606
1607 static bool load_wps_bitmaps(struct wps_data *wps_data, char *bmpdir)
1608 {
1609 char img_path[MAX_PATH];
1610 struct bitmap *bitmap;
1611 bool *loaded;
1612 int n;
1613 for (n = 0; n < BACKDROP_BMP; n++)
1614 {
1615 if (bmp_names[n])
1616 {
1617 get_image_filename(bmp_names[n], bmpdir,
1618 img_path, sizeof(img_path));
1619
1620 if (n >= PROGRESSBAR_BMP ) {
1621 /* progressbar bitmap */
1622 bitmap = &wps_data->progressbar[n-PROGRESSBAR_BMP].bm;
1623 loaded = &wps_data->progressbar[n-PROGRESSBAR_BMP].have_bitmap_pb;
1624 } else {
1625 /* regular bitmap */
1626 bitmap = &wps_data->img[n].bm;
1627 loaded = &wps_data->img[n].loaded;
1628 }
1629
1630 /* load the image */
1631 bitmap->data = wps_data->img_buf_ptr;
1632 if (load_bitmap(wps_data, img_path, bitmap))
1633 {
1634 *loaded = true;
1635
1636 /* Calculate and store height if this image has sub-images */
1637 if (n < MAX_IMAGES)
1638 wps_data->img[n].subimage_height = wps_data->img[n].bm.height /
1639 wps_data->img[n].num_subimages;
1640 }
1641 else
1642 {
1643 /* Abort if we can't load an image */
1644 DEBUGF("ERR: Failed to load image %d - %s\n",n,img_path);
1645 return false;
1646 }
1647 }
1648 }
1649
1650 #if (LCD_DEPTH > 1) || (defined(HAVE_REMOTE_LCD) && (LCD_REMOTE_DEPTH > 1))
1651 if (bmp_names[BACKDROP_BMP])
1652 {
1653 get_image_filename(bmp_names[BACKDROP_BMP], bmpdir,
1654 img_path, sizeof(img_path));
1655
1656 #if defined(HAVE_REMOTE_LCD)
1657 /* We only need to check LCD type if there is a remote LCD */
1658 if (!wps_data->remote_wps)
1659 #endif
1660 {
1661 /* Load backdrop for the main LCD */
1662 if (!load_wps_backdrop(img_path))
1663 return false;
1664 }
1665 #if defined(HAVE_REMOTE_LCD) && LCD_REMOTE_DEPTH > 1
1666 else
1667 {
1668 /* Load backdrop for the remote LCD */
1669 if (!load_remote_wps_backdrop(img_path))
1670 return false;
1671 }
1672 #endif
1673 }
1674 #endif /* has backdrop support */
1675
1676 /* If we got here, everything was OK */
1677 return true;
1678 }
1679
1680 #endif /* HAVE_LCD_BITMAP */
1681
1682 /* to setup up the wps-data from a format-buffer (isfile = false)
1683 from a (wps-)file (isfile = true)*/
1684 bool wps_data_load(struct wps_data *wps_data,
1685 struct screen *display,
1686 const char *buf,
1687 bool isfile)
1688 {
1689 #ifdef HAVE_ALBUMART
1690 struct mp3entry *curtrack;
1691 long offset;
1692 int status;
1693 int wps_uses_albumart = wps_data->wps_uses_albumart;
1694 int albumart_max_height = wps_data->albumart_max_height;
1695 int albumart_max_width = wps_data->albumart_max_width;
1696 #endif
1697 if (!wps_data || !buf)
1698 return false;
1699
1700 wps_reset(wps_data);
1701
1702 /* Initialise the first (default) viewport */
1703 wps_data->viewports[0].vp.x = 0;
1704 wps_data->viewports[0].vp.width = display->getwidth();
1705 wps_data->viewports[0].vp.height = display->getheight();
1706 switch (statusbar_position(display->screen_type))
1707 {
1708 case STATUSBAR_OFF:
1709 wps_data->viewports[0].vp.y = 0;
1710 break;
1711 case STATUSBAR_TOP:
1712 wps_data->viewports[0].vp.y = STATUSBAR_HEIGHT;
1713 wps_data->viewports[0].vp.height -= STATUSBAR_HEIGHT;
1714 break;
1715 case STATUSBAR_BOTTOM:
1716 wps_data->viewports[0].vp.y = 0;
1717 wps_data->viewports[0].vp.height -= STATUSBAR_HEIGHT;
1718 break;
1719 }
1720 #ifdef HAVE_LCD_BITMAP
1721 wps_data->viewports[0].vp.font = FONT_UI;
1722 wps_data->viewports[0].vp.drawmode = DRMODE_SOLID;
1723 #endif
1724 #if LCD_DEPTH > 1
1725 if (display->depth > 1)
1726 {
1727 wps_data->viewports[0].vp.fg_pattern = display->get_foreground();
1728 wps_data->viewports[0].vp.bg_pattern = display->get_background();
1729 }
1730 #endif
1731 if (!isfile)
1732 {
1733 return wps_parse(wps_data, buf);
1734 }
1735 else
1736 {
1737 /*
1738 * Hardcode loading WPS_DEFAULTCFG to cause a reset ideally this
1739 * wants to be a virtual file. Feel free to modify dirbrowse()
1740 * if you're feeling brave.
1741 */
1742 #ifndef __PCTOOL__
1743 if (! strcmp(buf, WPS_DEFAULTCFG) )
1744 {
1745 global_settings.wps_file[0] = 0;
1746 return false;
1747 }
1748
1749 #ifdef HAVE_REMOTE_LCD
1750 if (! strcmp(buf, RWPS_DEFAULTCFG) )
1751 {
1752 global_settings.rwps_file[0] = 0;
1753 return false;
1754 }
1755 #endif
1756 #endif /* __PCTOOL__ */
1757
1758 int fd = open_utf8(buf, O_RDONLY);
1759
1760 if (fd < 0)
1761 return false;
1762
1763 /* get buffer space from the plugin buffer */
1764 size_t buffersize = 0;
1765 char *wps_buffer = (char *)plugin_get_buffer(&buffersize);
1766
1767 if (!wps_buffer)
1768 return false;
1769
1770 /* copy the file's content to the buffer for parsing,
1771 ensuring that every line ends with a newline char. */
1772 unsigned int start = 0;
1773 while(read_line(fd, wps_buffer + start, buffersize - start) > 0)
1774 {
1775 start += strlen(wps_buffer + start);
1776 if (start < buffersize - 1)
1777 {
1778 wps_buffer[start++] = '\n';
1779 wps_buffer[start] = 0;
1780 }
1781 }
1782
1783 close(fd);
1784
1785 if (start <= 0)
1786 return false;
1787
1788 #ifdef HAVE_LCD_BITMAP
1789 /* Set all filename pointers to NULL */
1790 memset(bmp_names, 0, sizeof(bmp_names));
1791 #endif
1792
1793 /* parse the WPS source */
1794 if (!wps_parse(wps_data, wps_buffer)) {
1795 wps_reset(wps_data);
1796 return false;
1797 }
1798
1799 wps_data->wps_loaded = true;
1800
1801 #ifdef HAVE_LCD_BITMAP
1802 /* get the bitmap dir */
1803 char bmpdir[MAX_PATH];
1804 char *dot = strrchr(buf, '.');
1805
1806 strlcpy(bmpdir, buf, dot - buf + 1);
1807
1808 /* load the bitmaps that were found by the parsing */
1809 if (!load_wps_bitmaps(wps_data, bmpdir)) {
1810 wps_reset(wps_data);
1811 return false;
1812 }
1813 #endif
1814 #ifdef HAVE_ALBUMART
1815 status = audio_status();
1816 if (((!wps_uses_albumart && wps_data->wps_uses_albumart) ||
1817 (wps_data->wps_uses_albumart &&
1818 (albumart_max_height != wps_data->albumart_max_height ||
1819 albumart_max_width != wps_data->albumart_max_width))) &&
1820 status & AUDIO_STATUS_PLAY)
1821 {
1822 curtrack = audio_current_track();
1823 offset = curtrack->offset;
1824 audio_stop();
1825 if (!(status & AUDIO_STATUS_PAUSE))
1826 audio_play(offset);
1827 }
1828 #endif
1829 return true;
1830 }
1831 }
1832
1833 int wps_subline_index(struct wps_data *data, int line, int subline)
1834 {
1835 return data->lines[line].first_subline_idx + subline;
1836 }
1837
1838 int wps_first_token_index(struct wps_data *data, int line, int subline)
1839 {
1840 int first_subline_idx = data->lines[line].first_subline_idx;
1841 return data->sublines[first_subline_idx + subline].first_token_idx;
1842 }
1843
1844 int wps_last_token_index(struct wps_data *data, int line, int subline)
1845 {
1846 int first_subline_idx = data->lines[line].first_subline_idx;
1847 int idx = first_subline_idx + subline;
1848 if (idx < data->num_sublines - 1)
1849 {
1850 /* This subline ends where the next begins */
1851 return data->sublines[idx+1].first_token_idx - 1;
1852 }
1853 else
1854 {
1855 /* The last subline goes to the end */
1856 return data->num_tokens - 1;
1857 }
1858 }
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