summaryrefslogtreecommitdiff
path: root/drivers/accessibility/speakup/i18n.c
blob: 46bd50f3c3a42c119e1523cb7f1f6cb64fb8cbe6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
// SPDX-License-Identifier: GPL-2.0
/* Internationalization implementation.  Includes definitions of English
 * string arrays, and the i18n pointer.
 */

#include <linux/slab.h>		/* For kmalloc. */
#include <linux/ctype.h>
#include <linux/module.h>
#include <linux/string.h>
#include "speakup.h"
#include "spk_priv.h"

static char *speakup_msgs[MSG_LAST_INDEX];
static char *speakup_default_msgs[MSG_LAST_INDEX] = {
	[MSG_BLANK] = "blank",
	[MSG_IAM_ALIVE] = "I'm aLive!",
	[MSG_YOU_KILLED_SPEAKUP] = "You killed speakup!",
	[MSG_HEY_THATS_BETTER] = "hey. That's better!",
	[MSG_YOU_TURNED_ME_OFF] = "You turned me off!",
	[MSG_PARKED] = "parked!",
	[MSG_UNPARKED] = "unparked!",
	[MSG_MARK] = "mark",
	[MSG_CUT] = "cut",
	[MSG_MARK_CLEARED] = "mark, cleared",
	[MSG_PASTE] = "paste",
	[MSG_BRIGHT] = "bright",
	[MSG_ON_BLINKING] = "on blinking",
	[MSG_OFF] = "off",
	[MSG_ON] = "on",
	[MSG_NO_WINDOW] = "no window",
	[MSG_CURSORING_OFF] = "cursoring off",
	[MSG_CURSORING_ON] = "cursoring on",
	[MSG_HIGHLIGHT_TRACKING] = "highlight tracking",
	[MSG_READ_WINDOW] = "read windo",
	[MSG_READ_ALL] = "read all",
	[MSG_EDIT_DONE] = "edit done",
	[MSG_WINDOW_ALREADY_SET] = "window already set, clear then reset",
	[MSG_END_BEFORE_START] = "error end before start",
	[MSG_WINDOW_CLEARED] = "window cleared",
	[MSG_WINDOW_SILENCED] = "window silenced",
	[MSG_WINDOW_SILENCE_DISABLED] = "window silence disabled",
	[MSG_ERROR] = "error",
	[MSG_GOTO_CANCELED] = "goto canceled",
	[MSG_GOTO] = "go to?",
	[MSG_LEAVING_HELP] = "leaving help",
	[MSG_IS_UNASSIGNED] = "is unassigned",
	[MSG_HELP_INFO] =
	"press space to exit, up or down to scroll, or a letter to go to a command",
	[MSG_EDGE_TOP] = "top,",
	[MSG_EDGE_BOTTOM] = "bottom,",
	[MSG_EDGE_LEFT] = "left,",
	[MSG_EDGE_RIGHT] = "right,",
	[MSG_NUMBER] = "number",
	[MSG_SPACE] = "space",
	[MSG_START] = "start",
	[MSG_END] = "end",
	[MSG_CTRL] = "control-",
	[MSG_DISJUNCTION] = "or",

/* Messages with embedded format specifiers. */
	[MSG_POS_INFO] = "line %ld, col %ld, t t y %d",
	[MSG_CHAR_INFO] = "hex %02x, decimal %d",
	[MSG_REPEAT_DESC] = "times %d .",
	[MSG_REPEAT_DESC2] = "repeated %d .",
	[MSG_WINDOW_LINE] = "window is line %d",
	[MSG_WINDOW_BOUNDARY] = "%s at line %d, column %d",
	[MSG_EDIT_PROMPT] = "edit  %s, press space when done",
	[MSG_NO_COMMAND] = "no commands for %c",
	[MSG_KEYDESC] = "is %s",

	/* Control keys. */
	/* Most of these duplicate the entries in state names. */
	[MSG_CTL_SHIFT] = "shift",
	[MSG_CTL_ALTGR] = "altgr",
	[MSG_CTL_CONTROL] = "control",
	[MSG_CTL_ALT] = "alt",
	[MSG_CTL_LSHIFT] = "l shift",
	[MSG_CTL_SPEAKUP] = "speakup",
	[MSG_CTL_LCONTROL] = "l control",
	[MSG_CTL_RCONTROL] = "r control",
	[MSG_CTL_CAPSSHIFT] = "caps shift",

	/* Color names. */
	[MSG_COLOR_BLACK] = "black",
	[MSG_COLOR_BLUE] = "blue",
	[MSG_COLOR_GREEN] = "green",
	[MSG_COLOR_CYAN] = "cyan",
	[MSG_COLOR_RED] = "red",
	[MSG_COLOR_MAGENTA] = "magenta",
	[MSG_COLOR_YELLOW] = "yellow",
	[MSG_COLOR_WHITE] = "white",
	[MSG_COLOR_GREY] = "grey",

	/* Names of key states. */
	[MSG_STATE_DOUBLE] = "double",
	[MSG_STATE_SPEAKUP] = "speakup",
	[MSG_STATE_ALT] = "alt",
	[MSG_STATE_CONTROL] = "ctrl",
	[MSG_STATE_ALTGR] = "altgr",
	[MSG_STATE_SHIFT] = "shift",

	/* Key names. */
	[MSG_KEYNAME_ESC] = "escape",
	[MSG_KEYNAME_1] = "1",
	[MSG_KEYNAME_2] = "2",
	[MSG_KEYNAME_3] = "3",
	[MSG_KEYNAME_4] = "4",
	[MSG_KEYNAME_5] = "5",
	[MSG_KEYNAME_6] = "6",
	[MSG_KEYNAME_7] = "7",
	[MSG_KEYNAME_8] = "8",
	[MSG_KEYNAME_9] = "9",
	[MSG_KEYNAME_0] = "0",
	[MSG_KEYNAME_DASH] = "minus",
	[MSG_KEYNAME_EQUAL] = "equal",
	[MSG_KEYNAME_BS] = "back space",
	[MSG_KEYNAME_TAB] = "tab",
	[MSG_KEYNAME_Q] = "q",
	[MSG_KEYNAME_W] = "w",
	[MSG_KEYNAME_E] = "e",
	[MSG_KEYNAME_R] = "r",
	[MSG_KEYNAME_T] = "t",
	[MSG_KEYNAME_Y] = "y",
	[MSG_KEYNAME_U] = "u",
	[MSG_KEYNAME_I] = "i",
	[MSG_KEYNAME_O] = "o",
	[MSG_KEYNAME_P] = "p",
	[MSG_KEYNAME_LEFTBRACE] = "left brace",
	[MSG_KEYNAME_RIGHTBRACE] = "right brace",
	[MSG_KEYNAME_ENTER] = "enter",
	[MSG_KEYNAME_LEFTCTRL] = "left control",
	[MSG_KEYNAME_A] = "a",
	[MSG_KEYNAME_S] = "s",
	[MSG_KEYNAME_D] = "d",
	[MSG_KEYNAME_F] = "f",
	[MSG_KEYNAME_G] = "g",
	[MSG_KEYNAME_H] = "h",
	[MSG_KEYNAME_J] = "j",
	[MSG_KEYNAME_K] = "k",
	[MSG_KEYNAME_L] = "l",
	[MSG_KEYNAME_SEMICOLON] = "semicolon",
	[MSG_KEYNAME_SINGLEQUOTE] = "apostrophe",
	[MSG_KEYNAME_GRAVE] = "accent",
	[MSG_KEYNAME_LEFTSHFT] = "left shift",
	[MSG_KEYNAME_BACKSLASH] = "back slash",
	[MSG_KEYNAME_Z] = "z",
	[MSG_KEYNAME_X] = "x",
	[MSG_KEYNAME_C] = "c",
	[MSG_KEYNAME_V] = "v",
	[MSG_KEYNAME_B] = "b",
	[MSG_KEYNAME_N] = "n",
	[MSG_KEYNAME_M] = "m",
	[MSG_KEYNAME_COMMA] = "comma",
	[MSG_KEYNAME_DOT] = "dot",
	[MSG_KEYNAME_SLASH] = "slash",
	[MSG_KEYNAME_RIGHTSHFT] = "right shift",
	[MSG_KEYNAME_KPSTAR] = "keypad asterisk",
	[MSG_KEYNAME_LEFTALT] = "left alt",
	[MSG_KEYNAME_SPACE] = "space",
	[MSG_KEYNAME_CAPSLOCK] = "caps lock",
	[MSG_KEYNAME_F1] = "f1",
	[MSG_KEYNAME_F2] = "f2",
	[MSG_KEYNAME_F3] = "f3",
	[MSG_KEYNAME_F4] = "f4",
	[MSG_KEYNAME_F5] = "f5",
	[MSG_KEYNAME_F6] = "f6",
	[MSG_KEYNAME_F7] = "f7",
	[MSG_KEYNAME_F8] = "f8",
	[MSG_KEYNAME_F9] = "f9",
	[MSG_KEYNAME_F10] = "f10",
	[MSG_KEYNAME_NUMLOCK] = "num lock",
	[MSG_KEYNAME_SCROLLLOCK] = "scroll lock",
	[MSG_KEYNAME_KP7] = "keypad 7",
	[MSG_KEYNAME_KP8] = "keypad 8",
	[MSG_KEYNAME_KP9] = "keypad 9",
	[MSG_KEYNAME_KPMINUS] = "keypad minus",
	[MSG_KEYNAME_KP4] = "keypad 4",
	[MSG_KEYNAME_KP5] = "keypad 5",
	[MSG_KEYNAME_KP6] = "keypad 6",
	[MSG_KEYNAME_KPPLUS] = "keypad plus",
	[MSG_KEYNAME_KP1] = "keypad 1",
	[MSG_KEYNAME_KP2] = "keypad 2",
	[MSG_KEYNAME_KP3] = "keypad 3",
	[MSG_KEYNAME_KP0] = "keypad 0",
	[MSG_KEYNAME_KPDOT] = "keypad dot",
	[MSG_KEYNAME_103RD] = "103rd",
	[MSG_KEYNAME_F13] = "f13",
	[MSG_KEYNAME_102ND] = "102nd",
	[MSG_KEYNAME_F11] = "f11",
	[MSG_KEYNAME_F12] = "f12",
	[MSG_KEYNAME_F14] = "f14",
	[MSG_KEYNAME_F15] = "f15",
	[MSG_KEYNAME_F16] = "f16",
	[MSG_KEYNAME_F17] = "f17",
	[MSG_KEYNAME_F18] = "f18",
	[MSG_KEYNAME_F19] = "f19",
	[MSG_KEYNAME_F20] = "f20",
	[MSG_KEYNAME_KPENTER] = "keypad enter",
	[MSG_KEYNAME_RIGHTCTRL] = "right control",
	[MSG_KEYNAME_KPSLASH] = "keypad slash",
	[MSG_KEYNAME_SYSRQ] = "sysrq",
	[MSG_KEYNAME_RIGHTALT] = "right alt",
	[MSG_KEYNAME_LF] = "line feed",
	[MSG_KEYNAME_HOME] = "home",
	[MSG_KEYNAME_UP] = "up",
	[MSG_KEYNAME_PGUP] = "page up",
	[MSG_KEYNAME_LEFT] = "left",
	[MSG_KEYNAME_RIGHT] = "right",
	[MSG_KEYNAME_END] = "end",
	[MSG_KEYNAME_DOWN] = "down",
	[MSG_KEYNAME_PGDN] = "page down",
	[MSG_KEYNAME_INS] = "insert",
	[MSG_KEYNAME_DEL] = "delete",
	[MSG_KEYNAME_MACRO] = "macro",
	[MSG_KEYNAME_MUTE] = "mute",
	[MSG_KEYNAME_VOLDOWN] = "volume down",
	[MSG_KEYNAME_VOLUP] = "volume up",
	[MSG_KEYNAME_POWER] = "power",
	[MSG_KEYNAME_KPEQUAL] = "keypad equal",
	[MSG_KEYNAME_KPPLUSDASH] = "keypad plusminus",
	[MSG_KEYNAME_PAUSE] = "pause",
	[MSG_KEYNAME_F21] = "f21",
	[MSG_KEYNAME_F22] = "f22",
	[MSG_KEYNAME_F23] = "f23",
	[MSG_KEYNAME_F24] = "f24",
	[MSG_KEYNAME_KPCOMMA] = "keypad comma",
	[MSG_KEYNAME_LEFTMETA] = "left meta",
	[MSG_KEYNAME_RIGHTMETA] = "right meta",
	[MSG_KEYNAME_COMPOSE] = "compose",
	[MSG_KEYNAME_STOP] = "stop",
	[MSG_KEYNAME_AGAIN] = "again",
	[MSG_KEYNAME_PROPS] = "props",
	[MSG_KEYNAME_UNDO] = "undo",
	[MSG_KEYNAME_FRONT] = "front",
	[MSG_KEYNAME_COPY] = "copy",
	[MSG_KEYNAME_OPEN] = "open",
	[MSG_KEYNAME_PASTE] = "paste",
	[MSG_KEYNAME_FIND] = "find",
	[MSG_KEYNAME_CUT] = "cut",
	[MSG_KEYNAME_HELP] = "help",
	[MSG_KEYNAME_MENU] = "menu",
	[MSG_KEYNAME_CALC] = "calc",
	[MSG_KEYNAME_SETUP] = "setup",
	[MSG_KEYNAME_SLEEP] = "sleep",
	[MSG_KEYNAME_WAKEUP] = "wakeup",
	[MSG_KEYNAME_FILE] = "file",
	[MSG_KEYNAME_SENDFILE] = "send file",
	[MSG_KEYNAME_DELFILE] = "delete file",
	[MSG_KEYNAME_XFER] = "transfer",
	[MSG_KEYNAME_PROG1] = "prog1",
	[MSG_KEYNAME_PROG2] = "prog2",
	[MSG_KEYNAME_WWW] = "www",
	[MSG_KEYNAME_MSDOS] = "msdos",
	[MSG_KEYNAME_COFFEE] = "coffee",
	[MSG_KEYNAME_DIRECTION] = "direction",
	[MSG_KEYNAME_CYCLEWINDOWS] = "cycle windows",
	[MSG_KEYNAME_MAIL] = "mail",
	[MSG_KEYNAME_BOOKMARKS] = "bookmarks",
	[MSG_KEYNAME_COMPUTER] = "computer",
	[MSG_KEYNAME_BACK] = "back",
	[MSG_KEYNAME_FORWARD] = "forward",
	[MSG_KEYNAME_CLOSECD] = "close cd",
	[MSG_KEYNAME_EJECTCD] = "eject cd",
	[MSG_KEYNAME_EJECTCLOSE] = "eject close cd",
	[MSG_KEYNAME_NEXTSONG] = "next song",
	[MSG_KEYNAME_PLAYPAUSE] = "play pause",
	[MSG_KEYNAME_PREVSONG] = "previous song",
	[MSG_KEYNAME_STOPCD] = "stop cd",
	[MSG_KEYNAME_RECORD] = "record",
	[MSG_KEYNAME_REWIND] = "rewind",
	[MSG_KEYNAME_PHONE] = "phone",
	[MSG_KEYNAME_ISO] = "iso",
	[MSG_KEYNAME_CONFIG] = "config",
	[MSG_KEYNAME_HOMEPG] = "home page",
	[MSG_KEYNAME_REFRESH] = "refresh",
	[MSG_KEYNAME_EXIT] = "exit",
	[MSG_KEYNAME_MOVE] = "move",
	[MSG_KEYNAME_EDIT] = "edit",
	[MSG_KEYNAME_SCROLLUP] = "scroll up",
	[MSG_KEYNAME_SCROLLDN] = "scroll down",
	[MSG_KEYNAME_KPLEFTPAR] = "keypad left paren",
	[MSG_KEYNAME_KPRIGHTPAR] = "keypad right paren",

	/* Function names. */
	[MSG_FUNCNAME_ATTRIB_BLEEP_DEC] = "attribute bleep decrement",
	[MSG_FUNCNAME_ATTRIB_BLEEP_INC] = "attribute bleep increment",
	[MSG_FUNCNAME_BLEEPS_DEC] = "bleeps decrement",
	[MSG_FUNCNAME_BLEEPS_INC] = "bleeps increment",
	[MSG_FUNCNAME_CHAR_FIRST] = "character, first",
	[MSG_FUNCNAME_CHAR_LAST] = "character, last",
	[MSG_FUNCNAME_CHAR_CURRENT] = "character, say current",
	[MSG_FUNCNAME_CHAR_HEX_AND_DEC] = "character, say hex and decimal",
	[MSG_FUNCNAME_CHAR_NEXT] = "character, say next",
	[MSG_FUNCNAME_CHAR_PHONETIC] = "character, say phonetic",
	[MSG_FUNCNAME_CHAR_PREVIOUS] = "character, say previous",
	[MSG_FUNCNAME_CURSOR_PARK] = "cursor park",
	[MSG_FUNCNAME_CUT] = "cut",
	[MSG_FUNCNAME_EDIT_DELIM] = "edit delimiters",
	[MSG_FUNCNAME_EDIT_EXNUM] = "edit exnum",
	[MSG_FUNCNAME_EDIT_MOST] = "edit most",
	[MSG_FUNCNAME_EDIT_REPEATS] = "edit repeats",
	[MSG_FUNCNAME_EDIT_SOME] = "edit some",
	[MSG_FUNCNAME_GOTO] = "go to",
	[MSG_FUNCNAME_GOTO_BOTTOM] = "go to bottom edge",
	[MSG_FUNCNAME_GOTO_LEFT] = "go to left edge",
	[MSG_FUNCNAME_GOTO_RIGHT] = "go to right edge",
	[MSG_FUNCNAME_GOTO_TOP] = "go to top edge",
	[MSG_FUNCNAME_HELP] = "help",
	[MSG_FUNCNAME_LINE_SAY_CURRENT] = "line, say current",
	[MSG_FUNCNAME_LINE_SAY_NEXT] = "line, say next",
	[MSG_FUNCNAME_LINE_SAY_PREVIOUS] = "line, say previous",
	[MSG_FUNCNAME_LINE_SAY_WITH_INDENT] = "line, say with indent",
	[MSG_FUNCNAME_PASTE] = "paste",
	[MSG_FUNCNAME_PITCH_DEC] = "pitch decrement",
	[MSG_FUNCNAME_PITCH_INC] = "pitch increment",
	[MSG_FUNCNAME_PUNC_DEC] = "punctuation decrement",
	[MSG_FUNCNAME_PUNC_INC] = "punctuation increment",
	[MSG_FUNCNAME_PUNC_LEVEL_DEC] = "punc level decrement",
	[MSG_FUNCNAME_PUNC_LEVEL_INC] = "punc level increment",
	[MSG_FUNCNAME_QUIET] = "quiet",
	[MSG_FUNCNAME_RATE_DEC] = "rate decrement",
	[MSG_FUNCNAME_RATE_INC] = "rate increment",
	[MSG_FUNCNAME_READING_PUNC_DEC] = "reading punctuation decrement",
	[MSG_FUNCNAME_READING_PUNC_INC] = "reading punctuation increment",
	[MSG_FUNCNAME_SAY_ATTRIBUTES] = "say attributes",
	[MSG_FUNCNAME_SAY_FROM_LEFT] = "say from left",
	[MSG_FUNCNAME_SAY_FROM_TOP] = "say from top",
	[MSG_FUNCNAME_SAY_POSITION] = "say position",
	[MSG_FUNCNAME_SAY_SCREEN] = "say screen",
	[MSG_FUNCNAME_SAY_TO_BOTTOM] = "say to bottom",
	[MSG_FUNCNAME_SAY_TO_RIGHT] = "say to right",
	[MSG_FUNCNAME_SPEAKUP] = "speakup",
	[MSG_FUNCNAME_SPEAKUP_LOCK] = "speakup lock",
	[MSG_FUNCNAME_SPEAKUP_OFF] = "speakup off",
	[MSG_FUNCNAME_SPEECH_KILL] = "speech kill",
	[MSG_FUNCNAME_SPELL_DELAY_DEC] = "spell delay decrement",
	[MSG_FUNCNAME_SPELL_DELAY_INC] = "spell delay increment",
	[MSG_FUNCNAME_SPELL_WORD] = "spell word",
	[MSG_FUNCNAME_SPELL_WORD_PHONETICALLY] = "spell word phonetically",
	[MSG_FUNCNAME_TONE_DEC] = "tone decrement",
	[MSG_FUNCNAME_TONE_INC] = "tone increment",
	[MSG_FUNCNAME_VOICE_DEC] = "voice decrement",
	[MSG_FUNCNAME_VOICE_INC] = "voice increment",
	[MSG_FUNCNAME_VOLUME_DEC] = "volume decrement",
	[MSG_FUNCNAME_VOLUME_INC] = "volume increment",
	[MSG_FUNCNAME_WINDOW_CLEAR] = "window, clear",
	[MSG_FUNCNAME_WINDOW_SAY] = "window, say",
	[MSG_FUNCNAME_WINDOW_SET] = "window, set",
	[MSG_FUNCNAME_WINDOW_SILENCE] = "window, silence",
	[MSG_FUNCNAME_WORD_SAY_CURRENT] = "word, say current",
	[MSG_FUNCNAME_WORD_SAY_NEXT] = "word, say next",
	[MSG_FUNCNAME_WORD_SAY_PREVIOUS] = "word, say previous",
};

static struct msg_group_t all_groups[] = {
	{
		.name = "ctl_keys",
		.start = MSG_CTL_START,
		.end = MSG_CTL_END,
	},
	{
		.name = "colors",
		.start = MSG_COLORS_START,
		.end = MSG_COLORS_END,
	},
	{
		.name = "formatted",
		.start = MSG_FORMATTED_START,
		.end = MSG_FORMATTED_END,
	},
	{
		.name = "function_names",
		.start = MSG_FUNCNAMES_START,
		.end = MSG_FUNCNAMES_END,
	},
	{
		.name = "key_names",
		.start = MSG_KEYNAMES_START,
		.end = MSG_KEYNAMES_END,
	},
	{
		.name = "announcements",
		.start = MSG_ANNOUNCEMENTS_START,
		.end = MSG_ANNOUNCEMENTS_END,
	},
	{
		.name = "states",
		.start = MSG_STATES_START,
		.end = MSG_STATES_END,
	},
};

static const  int num_groups = ARRAY_SIZE(all_groups);

char *spk_msg_get(enum msg_index_t index)
{
	return speakup_msgs[index];
}

/*
 * Function: next_specifier
 * Finds the start of the next format specifier in the argument string.
 * Return value: pointer to start of format
 * specifier, or NULL if no specifier exists.
 */
static char *next_specifier(char *input)
{
	int found = 0;
	char *next_percent = input;

	while (next_percent && !found) {
		next_percent = strchr(next_percent, '%');
		if (next_percent) {
			/* skip over doubled percent signs */
			while (next_percent[0] == '%' &&
			       next_percent[1] == '%')
				next_percent += 2;
			if (*next_percent == '%')
				found = 1;
			else if (*next_percent == '\0')
				next_percent = NULL;
		}
	}

	return next_percent;
}

/* Skip over 0 or more flags. */
static char *skip_flags(char *input)
{
	while ((*input != '\0') && strchr(" 0+-#", *input))
		input++;
	return input;
}

/* Skip over width.precision, if it exists. */
static char *skip_width(char *input)
{
	while (isdigit(*input))
		input++;
	if (*input == '.') {
		input++;
		while (isdigit(*input))
			input++;
	}
	return input;
}

/*
 * Skip past the end of the conversion part.
 * Note that this code only accepts a handful of conversion specifiers:
 * c d s x and ld.  Not accidental; these are exactly the ones used in
 * the default group of formatted messages.
 */
static char *skip_conversion(char *input)
{
	if ((input[0] == 'l') && (input[1] == 'd'))
		input += 2;
	else if ((*input != '\0') && strchr("cdsx", *input))
		input++;
	return input;
}

/*
 * Function: find_specifier_end
 * Return a pointer to the end of the format specifier.
 */
static char *find_specifier_end(char *input)
{
	input++;		/* Advance over %. */
	input = skip_flags(input);
	input = skip_width(input);
	input = skip_conversion(input);
	return input;
}

/*
 * Function: compare_specifiers
 * Compare the format specifiers pointed to by *input1 and *input2.
 * Return true if they are the same, false otherwise.
 * Advance *input1 and *input2 so that they point to the character following
 * the end of the specifier.
 */
static bool compare_specifiers(char **input1, char **input2)
{
	bool same = false;
	char *end1 = find_specifier_end(*input1);
	char *end2 = find_specifier_end(*input2);
	size_t length1 = end1 - *input1;
	size_t length2 = end2 - *input2;

	if ((length1 == length2) && !memcmp(*input1, *input2, length1))
		same = true;

	*input1 = end1;
	*input2 = end2;
	return same;
}

/*
 * Function: fmt_validate
 * Check that two format strings contain the same number of format specifiers,
 * and that the order of specifiers is the same in both strings.
 * Return true if the condition holds, false if it doesn't.
 */
static bool fmt_validate(char *template, char *user)
{
	bool valid = true;
	bool still_comparing = true;
	char *template_ptr = template;
	char *user_ptr = user;

	while (still_comparing && valid) {
		template_ptr = next_specifier(template_ptr);
		user_ptr = next_specifier(user_ptr);
		if (template_ptr && user_ptr) {
			/* Both have at least one more specifier. */
			valid = compare_specifiers(&template_ptr, &user_ptr);
		} else {
			/* No more format specifiers in one or both strings. */
			still_comparing = false;
			/* See if one has more specifiers than the other. */
			if (template_ptr || user_ptr)
				valid = false;
		}
	}
	return valid;
}

/*
 * Function: msg_set
 * Description: Add a user-supplied message to the user_messages array.
 * The message text is copied to a memory area allocated with kmalloc.
 * If the function fails, then user_messages is untouched.
 * Arguments:
 * - index: a message number, as found in i18n.h.
 * - text:  text of message.  Not NUL-terminated.
 * - length: number of bytes in text.
 * Failure conditions:
 * -EINVAL -  Invalid format specifiers in formatted message or illegal index.
 * -ENOMEM -  Unable to allocate memory.
 */
ssize_t spk_msg_set(enum msg_index_t index, char *text, size_t length)
{
	char *newstr = NULL;
	unsigned long flags;

	if ((index < MSG_FIRST_INDEX) || (index >= MSG_LAST_INDEX))
		return -EINVAL;

	newstr = kmemdup_nul(text, length, GFP_KERNEL);
	if (!newstr)
		return -ENOMEM;

	if (index >= MSG_FORMATTED_START &&
	    index <= MSG_FORMATTED_END &&
	    !fmt_validate(speakup_default_msgs[index], newstr)) {
		kfree(newstr);
		return -EINVAL;
	}
	spin_lock_irqsave(&speakup_info.spinlock, flags);
	if (speakup_msgs[index] != speakup_default_msgs[index])
		kfree(speakup_msgs[index]);
	speakup_msgs[index] = newstr;
	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
	return 0;
}

/*
 * Find a message group, given its name.  Return a pointer to the structure
 * if found, or NULL otherwise.
 */
struct msg_group_t *spk_find_msg_group(const char *group_name)
{
	struct msg_group_t *group = NULL;
	int i;

	for (i = 0; i < num_groups; i++) {
		if (!strcmp(all_groups[i].name, group_name)) {
			group = &all_groups[i];
			break;
		}
	}
	return group;
}

void spk_reset_msg_group(struct msg_group_t *group)
{
	unsigned long flags;
	enum msg_index_t i;

	spin_lock_irqsave(&speakup_info.spinlock, flags);

	for (i = group->start; i <= group->end; i++) {
		if (speakup_msgs[i] != speakup_default_msgs[i])
			kfree(speakup_msgs[i]);
		speakup_msgs[i] = speakup_default_msgs[i];
	}
	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
}

/* Called at initialization time, to establish default messages. */
void spk_initialize_msgs(void)
{
	memcpy(speakup_msgs, speakup_default_msgs,
	       sizeof(speakup_default_msgs));
}

/* Free user-supplied strings when module is unloaded: */
void spk_free_user_msgs(void)
{
	enum msg_index_t index;
	unsigned long flags;

	spin_lock_irqsave(&speakup_info.spinlock, flags);
	for (index = MSG_FIRST_INDEX; index < MSG_LAST_INDEX; index++) {
		if (speakup_msgs[index] != speakup_default_msgs[index]) {
			kfree(speakup_msgs[index]);
			speakup_msgs[index] = speakup_default_msgs[index];
		}
	}
	spin_unlock_irqrestore(&speakup_info.spinlock, flags);
}