diff options
Diffstat (limited to 'drivers/staging/speakup/varhandlers.c')
-rw-r--r-- | drivers/staging/speakup/varhandlers.c | 403 |
1 files changed, 403 insertions, 0 deletions
diff --git a/drivers/staging/speakup/varhandlers.c b/drivers/staging/speakup/varhandlers.c new file mode 100644 index 00000000000..2d137bd84df --- /dev/null +++ b/drivers/staging/speakup/varhandlers.c | |||
@@ -0,0 +1,403 @@ | |||
1 | #include <linux/ctype.h> | ||
2 | #include "spk_types.h" | ||
3 | #include "spk_priv.h" | ||
4 | #include "speakup.h" | ||
5 | |||
6 | static struct st_var_header var_headers[] = { | ||
7 | { "version", VERSION, VAR_PROC, NULL, NULL }, | ||
8 | { "synth_name", SYNTH, VAR_PROC, NULL, NULL }, | ||
9 | { "keymap", KEYMAP, VAR_PROC, NULL, NULL }, | ||
10 | { "silent", SILENT, VAR_PROC, NULL, NULL }, | ||
11 | { "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL }, | ||
12 | { "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL }, | ||
13 | { "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL }, | ||
14 | { "delimiters", DELIM, VAR_PROC, NULL, NULL }, | ||
15 | { "repeats", REPEATS, VAR_PROC, NULL, NULL }, | ||
16 | { "ex_num", EXNUMBER, VAR_PROC, NULL, NULL }, | ||
17 | { "characters", CHARS, VAR_PROC, NULL, NULL }, | ||
18 | { "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL }, | ||
19 | { "caps_start", CAPS_START, VAR_STRING, str_caps_start, NULL }, | ||
20 | { "caps_stop", CAPS_STOP, VAR_STRING, str_caps_stop, NULL }, | ||
21 | { "delay_time", DELAY, VAR_TIME, NULL, NULL }, | ||
22 | { "trigger_time", TRIGGER, VAR_TIME, NULL, NULL }, | ||
23 | { "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL }, | ||
24 | { "full_time", FULL, VAR_TIME, NULL, NULL }, | ||
25 | { "spell_delay", SPELL_DELAY, VAR_NUM, &spell_delay, NULL }, | ||
26 | { "bleeps", BLEEPS, VAR_NUM, &bleeps, NULL }, | ||
27 | { "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &attrib_bleep, NULL }, | ||
28 | { "bleep_time", BLEEP_TIME, VAR_TIME, &bleep_time, NULL }, | ||
29 | { "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL }, | ||
30 | { "punc_level", PUNC_LEVEL, VAR_NUM, &punc_level, NULL }, | ||
31 | { "reading_punc", READING_PUNC, VAR_NUM, &reading_punc, NULL }, | ||
32 | { "say_control", SAY_CONTROL, VAR_NUM, &say_ctrl, NULL }, | ||
33 | { "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &say_word_ctl, NULL }, | ||
34 | { "no_interrupt", NO_INTERRUPT, VAR_NUM, &no_intr, NULL }, | ||
35 | { "key_echo", KEY_ECHO, VAR_NUM, &key_echo, NULL }, | ||
36 | { "bell_pos", BELL_POS, VAR_NUM, &bell_pos, NULL }, | ||
37 | { "rate", RATE, VAR_NUM, NULL, NULL }, | ||
38 | { "pitch", PITCH, VAR_NUM, NULL, NULL }, | ||
39 | { "vol", VOL, VAR_NUM, NULL, NULL }, | ||
40 | { "tone", TONE, VAR_NUM, NULL, NULL }, | ||
41 | { "punct", PUNCT, VAR_NUM, NULL, NULL }, | ||
42 | { "voice", VOICE, VAR_NUM, NULL, NULL }, | ||
43 | { "freq", FREQUENCY, VAR_NUM, NULL, NULL }, | ||
44 | { "lang", LANG, VAR_NUM, NULL, NULL }, | ||
45 | { "chartab", CHARTAB, VAR_PROC, NULL, NULL }, | ||
46 | { "direct", DIRECT, VAR_NUM, NULL, NULL }, | ||
47 | }; | ||
48 | |||
49 | static struct st_var_header *var_ptrs[MAXVARS] = { 0, 0, 0 }; | ||
50 | |||
51 | static struct punc_var_t punc_vars[] = { | ||
52 | { PUNC_SOME, 1 }, | ||
53 | { PUNC_MOST, 2 }, | ||
54 | { PUNC_ALL, 3 }, | ||
55 | { DELIM, 4 }, | ||
56 | { REPEATS, 5 }, | ||
57 | { EXNUMBER, 6 }, | ||
58 | { -1, -1 }, | ||
59 | }; | ||
60 | |||
61 | int chartab_get_value(char *keyword) | ||
62 | { | ||
63 | int value = 0; | ||
64 | |||
65 | if (!strcmp(keyword, "ALPHA")) | ||
66 | value = ALPHA; | ||
67 | else if (!strcmp(keyword, "B_CTL")) | ||
68 | value = B_CTL; | ||
69 | else if (!strcmp(keyword, "WDLM")) | ||
70 | value = WDLM; | ||
71 | else if (!strcmp(keyword, "A_PUNC")) | ||
72 | value = A_PUNC; | ||
73 | else if (!strcmp(keyword, "PUNC")) | ||
74 | value = PUNC; | ||
75 | else if (!strcmp(keyword, "NUM")) | ||
76 | value = NUM; | ||
77 | else if (!strcmp(keyword, "A_CAP")) | ||
78 | value = A_CAP; | ||
79 | else if (!strcmp(keyword, "B_CAPSYM")) | ||
80 | value = B_CAPSYM; | ||
81 | else if (!strcmp(keyword, "B_SYM")) | ||
82 | value = B_SYM; | ||
83 | return value; | ||
84 | } | ||
85 | |||
86 | void speakup_register_var(struct var_t *var) | ||
87 | { | ||
88 | static char nothing[2] = "\0"; | ||
89 | int i; | ||
90 | struct st_var_header *p_header; | ||
91 | |||
92 | BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS); | ||
93 | if (var_ptrs[0] == NULL) { | ||
94 | for (i = 0; i < MAXVARS; i++) { | ||
95 | p_header = &var_headers[i]; | ||
96 | var_ptrs[p_header->var_id] = p_header; | ||
97 | p_header->data = NULL; | ||
98 | } | ||
99 | } | ||
100 | p_header = var_ptrs[var->var_id]; | ||
101 | if (p_header->data != NULL) | ||
102 | return; | ||
103 | p_header->data = var; | ||
104 | switch (p_header->var_type) { | ||
105 | case VAR_STRING: | ||
106 | set_string_var(nothing, p_header, 0); | ||
107 | break; | ||
108 | case VAR_NUM: | ||
109 | case VAR_TIME: | ||
110 | set_num_var(0, p_header, E_DEFAULT); | ||
111 | break; | ||
112 | default: | ||
113 | break; | ||
114 | } | ||
115 | return; | ||
116 | } | ||
117 | |||
118 | void speakup_unregister_var(enum var_id_t var_id) | ||
119 | { | ||
120 | struct st_var_header *p_header; | ||
121 | BUG_ON(var_id < 0 || var_id >= MAXVARS); | ||
122 | p_header = var_ptrs[var_id]; | ||
123 | p_header->data = NULL; | ||
124 | } | ||
125 | |||
126 | struct st_var_header *get_var_header(enum var_id_t var_id) | ||
127 | { | ||
128 | struct st_var_header *p_header; | ||
129 | if (var_id < 0 || var_id >= MAXVARS) | ||
130 | return NULL; | ||
131 | p_header = var_ptrs[var_id]; | ||
132 | if (p_header->data == NULL) | ||
133 | return NULL; | ||
134 | return p_header; | ||
135 | } | ||
136 | |||
137 | struct st_var_header *var_header_by_name(const char *name) | ||
138 | { | ||
139 | int i; | ||
140 | struct st_var_header *where = NULL; | ||
141 | |||
142 | if (name != NULL) { | ||
143 | i = 0; | ||
144 | while ((i < MAXVARS) && (where == NULL)) { | ||
145 | if (strcmp(name, var_ptrs[i]->name) == 0) | ||
146 | where = var_ptrs[i]; | ||
147 | else | ||
148 | i++; | ||
149 | } | ||
150 | } | ||
151 | return where; | ||
152 | } | ||
153 | |||
154 | struct var_t *get_var(enum var_id_t var_id) | ||
155 | { | ||
156 | BUG_ON(var_id < 0 || var_id >= MAXVARS); | ||
157 | BUG_ON(! var_ptrs[var_id]); | ||
158 | return (var_ptrs[var_id]->data); | ||
159 | } | ||
160 | EXPORT_SYMBOL_GPL(get_var); | ||
161 | |||
162 | struct punc_var_t *get_punc_var(enum var_id_t var_id) | ||
163 | { | ||
164 | struct punc_var_t *rv = NULL; | ||
165 | struct punc_var_t *where; | ||
166 | |||
167 | where = punc_vars; | ||
168 | while ((where->var_id != -1) && (rv == NULL)) { | ||
169 | if (where->var_id == var_id) | ||
170 | rv = where; | ||
171 | else | ||
172 | where++; | ||
173 | } | ||
174 | return rv; | ||
175 | } | ||
176 | |||
177 | /* handlers for setting vars */ | ||
178 | int set_num_var(int input, struct st_var_header *var, int how) | ||
179 | { | ||
180 | int val; | ||
181 | short ret = 0; | ||
182 | int *p_val = var->p_val; | ||
183 | int l; | ||
184 | char buf[32]; | ||
185 | char *cp; | ||
186 | struct var_t *var_data = var->data; | ||
187 | if (var_data == NULL) | ||
188 | return E_UNDEF; | ||
189 | |||
190 | if (how == E_NEW_DEFAULT) { | ||
191 | if (input < var_data->u.n.low || input > var_data->u.n.high) | ||
192 | ret = E_RANGE; | ||
193 | else | ||
194 | var_data->u.n.default_val = input; | ||
195 | return ret; | ||
196 | } | ||
197 | if (how == E_DEFAULT) { | ||
198 | val = var_data->u.n.default_val; | ||
199 | ret = SET_DEFAULT; | ||
200 | } else { | ||
201 | if (how == E_SET) | ||
202 | val = input; | ||
203 | else | ||
204 | val = var_data->u.n.value; | ||
205 | if (how == E_INC) | ||
206 | val += input; | ||
207 | else if (how == E_DEC) | ||
208 | val -= input; | ||
209 | if (val < var_data->u.n.low || val > var_data->u.n.high) | ||
210 | return E_RANGE; | ||
211 | } | ||
212 | var_data->u.n.value = val; | ||
213 | if (var->var_type == VAR_TIME && p_val != NULL) { | ||
214 | *p_val = msecs_to_jiffies(val); | ||
215 | return ret; | ||
216 | } | ||
217 | if (p_val != NULL) | ||
218 | *p_val = val; | ||
219 | if (var->var_id == PUNC_LEVEL) { | ||
220 | punc_mask = punc_masks[val]; | ||
221 | return ret; | ||
222 | } | ||
223 | if (var_data->u.n.multiplier != 0) | ||
224 | val *= var_data->u.n.multiplier; | ||
225 | val += var_data->u.n.offset; | ||
226 | if (var->var_id < FIRST_SYNTH_VAR || synth == NULL) | ||
227 | return ret; | ||
228 | if (synth->synth_adjust != NULL) { | ||
229 | int status = synth->synth_adjust(var); | ||
230 | return (status != 0) ? status : ret; | ||
231 | } | ||
232 | if (!var_data->u.n.synth_fmt) | ||
233 | return ret; | ||
234 | if (var->var_id == PITCH) | ||
235 | cp = pitch_buff; | ||
236 | else | ||
237 | cp = buf; | ||
238 | if (!var_data->u.n.out_str) | ||
239 | l = sprintf(cp, var_data->u.n.synth_fmt, (int)val); | ||
240 | else | ||
241 | l = sprintf(cp, var_data->u.n.synth_fmt, var_data->u.n.out_str[val]); | ||
242 | synth_printf("%s", cp); | ||
243 | return ret; | ||
244 | } | ||
245 | |||
246 | int set_string_var(const char *page, struct st_var_header *var, int len) | ||
247 | { | ||
248 | int ret = 0; | ||
249 | struct var_t *var_data = var->data; | ||
250 | if (var_data == NULL) | ||
251 | return E_UNDEF; | ||
252 | if (len > MAXVARLEN) | ||
253 | return -E_TOOLONG; | ||
254 | if (!len) { | ||
255 | if (!var_data->u.s.default_val) | ||
256 | return 0; | ||
257 | ret = SET_DEFAULT; | ||
258 | if (!var->p_val) | ||
259 | var->p_val = var_data->u.s.default_val; | ||
260 | if (var->p_val != var_data->u.s.default_val) | ||
261 | strcpy((char *)var->p_val, var_data->u.s.default_val); | ||
262 | } else if (var->p_val) | ||
263 | strcpy((char *)var->p_val, page); | ||
264 | else | ||
265 | return -E_TOOLONG; | ||
266 | return ret; | ||
267 | } | ||
268 | |||
269 | /* set_mask_bits sets or clears the punc/delim/repeat bits, | ||
270 | * if input is null uses the defaults. | ||
271 | * values for how: 0 clears bits of chars supplied, | ||
272 | * 1 clears allk, 2 sets bits for chars */ | ||
273 | int set_mask_bits(const char *input, const int which, const int how) | ||
274 | { | ||
275 | u_char *cp; | ||
276 | short mask = punc_info[which].mask; | ||
277 | if (how&1) { | ||
278 | for (cp = (u_char *)punc_info[3].value; *cp; cp++) | ||
279 | spk_chartab[*cp] &= ~mask; | ||
280 | } | ||
281 | cp = (u_char *)input; | ||
282 | if (cp == 0) | ||
283 | cp = punc_info[which].value; | ||
284 | else { | ||
285 | for ( ; *cp; cp++) { | ||
286 | if (*cp < SPACE) | ||
287 | break; | ||
288 | if (mask < PUNC) { | ||
289 | if (!(spk_chartab[*cp]&PUNC)) | ||
290 | break; | ||
291 | } else if (spk_chartab[*cp]&B_NUM) | ||
292 | break; | ||
293 | } | ||
294 | if (*cp) | ||
295 | return -EINVAL; | ||
296 | cp = (u_char *)input; | ||
297 | } | ||
298 | if (how&2) { | ||
299 | for ( ; *cp; cp++) | ||
300 | if (*cp > SPACE) | ||
301 | spk_chartab[*cp] |= mask; | ||
302 | } else { | ||
303 | for ( ; *cp; cp++) | ||
304 | if (*cp > SPACE) | ||
305 | spk_chartab[*cp] &= ~mask; | ||
306 | } | ||
307 | return 0; | ||
308 | } | ||
309 | |||
310 | char *strlwr(char *s) | ||
311 | { | ||
312 | char *p; | ||
313 | if (s == NULL) | ||
314 | return NULL; | ||
315 | |||
316 | for (p = s; *p; p++) | ||
317 | *p = tolower(*p); | ||
318 | return s; | ||
319 | } | ||
320 | |||
321 | char *speakup_s2i(char *start, int *dest) | ||
322 | { | ||
323 | int val; | ||
324 | char ch = *start; | ||
325 | if (ch == '-' || ch == '+') | ||
326 | start++; | ||
327 | if (*start < '0' || *start > '9') | ||
328 | return start; | ||
329 | val = (*start) - '0'; | ||
330 | start++; | ||
331 | while (*start >= '0' && *start <= '9') { | ||
332 | val *= 10; | ||
333 | val += (*start) - '0'; | ||
334 | start++; | ||
335 | } | ||
336 | if (ch == '-') | ||
337 | *dest = -val; | ||
338 | else | ||
339 | *dest = val; | ||
340 | return start; | ||
341 | } | ||
342 | |||
343 | char *s2uchar(char *start, char *dest) | ||
344 | { | ||
345 | int val = 0; | ||
346 | while (*start && *start <= SPACE) | ||
347 | start++; | ||
348 | while (*start >= '0' && *start <= '9') { | ||
349 | val *= 10; | ||
350 | val += (*start) - '0'; | ||
351 | start++; | ||
352 | } | ||
353 | if (*start == ',') | ||
354 | start++; | ||
355 | *dest = (u_char)val; | ||
356 | return start; | ||
357 | } | ||
358 | |||
359 | char *xlate(char *s) | ||
360 | { | ||
361 | static const char finds[] = "nrtvafe"; | ||
362 | static const char subs[] = "\n\r\t\013\001\014\033"; | ||
363 | static const char hx[] = "0123456789abcdefABCDEF"; | ||
364 | char *p = s, *p1, *p2, c; | ||
365 | int num; | ||
366 | while ((p = strchr(p, '\\'))) { | ||
367 | p1 = p+1; | ||
368 | p2 = strchr(finds, *p1); | ||
369 | if (p2) { | ||
370 | *p++ = subs[p2-finds]; | ||
371 | p1++; | ||
372 | } else if (*p1 >= '0' && *p1 <= '7') { | ||
373 | num = (*p1++)&7; | ||
374 | while (num < 256 && *p1 >= '0' && *p1 <= '7') { | ||
375 | num <<= 3; | ||
376 | num = (*p1++)&7; | ||
377 | } | ||
378 | *p++ = num; | ||
379 | } else if (*p1 == 'x' && | ||
380 | strchr(hx, p1[1]) && strchr(hx, p1[2])) { | ||
381 | p1++; | ||
382 | c = *p1++; | ||
383 | if (c > '9') | ||
384 | c = (c - '7') & 0x0f; | ||
385 | else | ||
386 | c -= '0'; | ||
387 | num = c << 4; | ||
388 | c = *p1++; | ||
389 | if (c > '9') | ||
390 | c = (c-'7')&0x0f; | ||
391 | else | ||
392 | c -= '0'; | ||
393 | num += c; | ||
394 | *p++ = num; | ||
395 | } else | ||
396 | *p++ = *p1++; | ||
397 | p2 = p; | ||
398 | while (*p1) | ||
399 | *p2++ = *p1++; | ||
400 | *p2 = '\0'; | ||
401 | } | ||
402 | return s; | ||
403 | } | ||