1 // SPDX-License-Identifier: GPL-2.0
2 #include <linux/ctype.h>
3 #include "spk_types.h"
4 #include "spk_priv.h"
5 #include "speakup.h"
6
7 static struct st_var_header var_headers[] = {
8 { "version", VERSION, VAR_PROC, NULL, NULL },
9 { "synth_name", SYNTH, VAR_PROC, NULL, NULL },
10 { "keymap", KEYMAP, VAR_PROC, NULL, NULL },
11 { "silent", SILENT, VAR_PROC, NULL, NULL },
12 { "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
13 { "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
14 { "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
15 { "delimiters", DELIM, VAR_PROC, NULL, NULL },
16 { "repeats", REPEATS, VAR_PROC, NULL, NULL },
17 { "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
18 { "characters", CHARS, VAR_PROC, NULL, NULL },
19 { "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
20 { "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
21 { "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
22 { "delay_time", DELAY, VAR_TIME, NULL, NULL },
23 { "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
24 { "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
25 { "full_time", FULL, VAR_TIME, NULL, NULL },
26 { "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
27 { "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
28 { "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
29 { "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
30 { "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
31 { "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
32 { "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
33 { "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
34 { "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
35 { "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
36 { "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
37 { "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
38 { "rate", RATE, VAR_NUM, NULL, NULL },
39 { "pitch", PITCH, VAR_NUM, NULL, NULL },
40 { "inflection", INFLECTION, VAR_NUM, NULL, NULL },
41 { "vol", VOL, VAR_NUM, NULL, NULL },
42 { "tone", TONE, VAR_NUM, NULL, NULL },
43 { "punct", PUNCT, VAR_NUM, NULL, NULL },
44 { "voice", VOICE, VAR_NUM, NULL, NULL },
45 { "freq", FREQUENCY, VAR_NUM, NULL, NULL },
46 { "lang", LANG, VAR_NUM, NULL, NULL },
47 { "chartab", CHARTAB, VAR_PROC, NULL, NULL },
48 { "direct", DIRECT, VAR_NUM, NULL, NULL },
49 { "pause", PAUSE, VAR_STRING, spk_str_pause, NULL },
50 };
51
52 static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
53
54 static struct punc_var_t punc_vars[] = {
55 { PUNC_SOME, 1 },
56 { PUNC_MOST, 2 },
57 { PUNC_ALL, 3 },
58 { DELIM, 4 },
59 { REPEATS, 5 },
60 { EXNUMBER, 6 },
61 { -1, -1 },
62 };
63
spk_chartab_get_value(char * keyword)64 int spk_chartab_get_value(char *keyword)
65 {
66 int value = 0;
67
68 if (!strcmp(keyword, "ALPHA"))
69 value = ALPHA;
70 else if (!strcmp(keyword, "B_CTL"))
71 value = B_CTL;
72 else if (!strcmp(keyword, "WDLM"))
73 value = WDLM;
74 else if (!strcmp(keyword, "A_PUNC"))
75 value = A_PUNC;
76 else if (!strcmp(keyword, "PUNC"))
77 value = PUNC;
78 else if (!strcmp(keyword, "NUM"))
79 value = NUM;
80 else if (!strcmp(keyword, "A_CAP"))
81 value = A_CAP;
82 else if (!strcmp(keyword, "B_CAPSYM"))
83 value = B_CAPSYM;
84 else if (!strcmp(keyword, "B_SYM"))
85 value = B_SYM;
86 return value;
87 }
88
speakup_register_var(struct var_t * var)89 void speakup_register_var(struct var_t *var)
90 {
91 static char nothing[2] = "\0";
92 int i;
93 struct st_var_header *p_header;
94
95 BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
96 if (!var_ptrs[0]) {
97 for (i = 0; i < MAXVARS; i++) {
98 p_header = &var_headers[i];
99 var_ptrs[p_header->var_id] = p_header;
100 p_header->data = NULL;
101 }
102 }
103 p_header = var_ptrs[var->var_id];
104 if (p_header->data)
105 return;
106 p_header->data = var;
107 switch (p_header->var_type) {
108 case VAR_STRING:
109 spk_set_string_var(nothing, p_header, 0);
110 break;
111 case VAR_NUM:
112 case VAR_TIME:
113 spk_set_num_var(0, p_header, E_DEFAULT);
114 break;
115 default:
116 break;
117 }
118 }
119
speakup_unregister_var(enum var_id_t var_id)120 void speakup_unregister_var(enum var_id_t var_id)
121 {
122 struct st_var_header *p_header;
123
124 BUG_ON(var_id < 0 || var_id >= MAXVARS);
125 p_header = var_ptrs[var_id];
126 p_header->data = NULL;
127 }
128
spk_get_var_header(enum var_id_t var_id)129 struct st_var_header *spk_get_var_header(enum var_id_t var_id)
130 {
131 struct st_var_header *p_header;
132
133 if (var_id < 0 || var_id >= MAXVARS)
134 return NULL;
135 p_header = var_ptrs[var_id];
136 if (!p_header->data)
137 return NULL;
138 return p_header;
139 }
140
spk_var_header_by_name(const char * name)141 struct st_var_header *spk_var_header_by_name(const char *name)
142 {
143 int i;
144
145 if (!name)
146 return NULL;
147
148 for (i = 0; i < MAXVARS; i++) {
149 if (strcmp(name, var_ptrs[i]->name) == 0)
150 return var_ptrs[i];
151 }
152 return NULL;
153 }
154
spk_get_var(enum var_id_t var_id)155 struct var_t *spk_get_var(enum var_id_t var_id)
156 {
157 BUG_ON(var_id < 0 || var_id >= MAXVARS);
158 BUG_ON(!var_ptrs[var_id]);
159 return var_ptrs[var_id]->data;
160 }
161 EXPORT_SYMBOL_GPL(spk_get_var);
162
spk_get_punc_var(enum var_id_t var_id)163 struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
164 {
165 struct punc_var_t *rv = NULL;
166 struct punc_var_t *where;
167
168 where = punc_vars;
169 while ((where->var_id != -1) && (!rv)) {
170 if (where->var_id == var_id)
171 rv = where;
172 else
173 where++;
174 }
175 return rv;
176 }
177
178 /* handlers for setting vars */
spk_set_num_var(int input,struct st_var_header * var,int how)179 int spk_set_num_var(int input, struct st_var_header *var, int how)
180 {
181 int val;
182 int *p_val = var->p_val;
183 char buf[32];
184 char *cp;
185 struct var_t *var_data = var->data;
186
187 if (!var_data)
188 return -ENODATA;
189
190 val = var_data->u.n.value;
191 switch (how) {
192 case E_NEW_DEFAULT:
193 if (input < var_data->u.n.low || input > var_data->u.n.high)
194 return -ERANGE;
195 var_data->u.n.default_val = input;
196 return 0;
197 case E_DEFAULT:
198 val = var_data->u.n.default_val;
199 break;
200 case E_SET:
201 val = input;
202 break;
203 case E_INC:
204 val += input;
205 break;
206 case E_DEC:
207 val -= input;
208 break;
209 }
210
211 if (val < var_data->u.n.low || val > var_data->u.n.high)
212 return -ERANGE;
213
214 var_data->u.n.value = val;
215 if (var->var_type == VAR_TIME && p_val) {
216 *p_val = msecs_to_jiffies(val);
217 return 0;
218 }
219 if (p_val)
220 *p_val = val;
221 if (var->var_id == PUNC_LEVEL) {
222 spk_punc_mask = spk_punc_masks[val];
223 return 0;
224 }
225 if (var_data->u.n.multiplier != 0)
226 val *= var_data->u.n.multiplier;
227 val += var_data->u.n.offset;
228 if (var->var_id < FIRST_SYNTH_VAR || !synth)
229 return 0;
230 if (synth->synth_adjust)
231 return synth->synth_adjust(var);
232
233 if (!var_data->u.n.synth_fmt)
234 return 0;
235 if (var->var_id == PITCH)
236 cp = spk_pitch_buff;
237 else
238 cp = buf;
239 if (!var_data->u.n.out_str)
240 sprintf(cp, var_data->u.n.synth_fmt, (int)val);
241 else
242 sprintf(cp, var_data->u.n.synth_fmt,
243 var_data->u.n.out_str[val]);
244 synth_printf("%s", cp);
245 return 0;
246 }
247
spk_set_string_var(const char * page,struct st_var_header * var,int len)248 int spk_set_string_var(const char *page, struct st_var_header *var, int len)
249 {
250 struct var_t *var_data = var->data;
251
252 if (!var_data)
253 return -ENODATA;
254 if (len > MAXVARLEN)
255 return -E2BIG;
256 if (!len) {
257 if (!var_data->u.s.default_val)
258 return 0;
259 if (!var->p_val)
260 var->p_val = var_data->u.s.default_val;
261 if (var->p_val != var_data->u.s.default_val)
262 strcpy((char *)var->p_val, var_data->u.s.default_val);
263 return -ERESTART;
264 } else if (var->p_val) {
265 strcpy((char *)var->p_val, page);
266 } else {
267 return -E2BIG;
268 }
269 return 0;
270 }
271
272 /*
273 * spk_set_mask_bits sets or clears the punc/delim/repeat bits,
274 * if input is null uses the defaults.
275 * values for how: 0 clears bits of chars supplied,
276 * 1 clears allk, 2 sets bits for chars
277 */
spk_set_mask_bits(const char * input,const int which,const int how)278 int spk_set_mask_bits(const char *input, const int which, const int how)
279 {
280 u_char *cp;
281 short mask = spk_punc_info[which].mask;
282
283 if (how & 1) {
284 for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
285 spk_chartab[*cp] &= ~mask;
286 }
287 cp = (u_char *)input;
288 if (!cp) {
289 cp = spk_punc_info[which].value;
290 } else {
291 for (; *cp; cp++) {
292 if (*cp < SPACE)
293 break;
294 if (mask < PUNC) {
295 if (!(spk_chartab[*cp] & PUNC))
296 break;
297 } else if (spk_chartab[*cp] & B_NUM) {
298 break;
299 }
300 }
301 if (*cp)
302 return -EINVAL;
303 cp = (u_char *)input;
304 }
305 if (how & 2) {
306 for (; *cp; cp++)
307 if (*cp > SPACE)
308 spk_chartab[*cp] |= mask;
309 } else {
310 for (; *cp; cp++)
311 if (*cp > SPACE)
312 spk_chartab[*cp] &= ~mask;
313 }
314 return 0;
315 }
316
spk_strlwr(char * s)317 char *spk_strlwr(char *s)
318 {
319 char *p;
320
321 if (!s)
322 return NULL;
323
324 for (p = s; *p; p++)
325 *p = tolower(*p);
326 return s;
327 }
328
spk_s2uchar(char * start,char * dest)329 char *spk_s2uchar(char *start, char *dest)
330 {
331 int val;
332
333 /* Do not replace with kstrtoul: here we need start to be updated */
334 val = simple_strtoul(skip_spaces(start), &start, 10);
335 if (*start == ',')
336 start++;
337 *dest = (u_char)val;
338 return start;
339 }
340
