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 { "vol", VOL, VAR_NUM, NULL, NULL },
41 { "tone", TONE, VAR_NUM, NULL, NULL },
42 { "punct", PUNCT, VAR_NUM, NULL, NULL },
43 { "voice", VOICE, VAR_NUM, NULL, NULL },
44 { "freq", FREQUENCY, VAR_NUM, NULL, NULL },
45 { "lang", LANG, VAR_NUM, NULL, NULL },
46 { "chartab", CHARTAB, VAR_PROC, NULL, NULL },
47 { "direct", DIRECT, VAR_NUM, NULL, NULL },
48 { "pause", PAUSE, VAR_STRING, spk_str_pause, NULL },
49 };
50
51 static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
52
53 static struct punc_var_t punc_vars[] = {
54 { PUNC_SOME, 1 },
55 { PUNC_MOST, 2 },
56 { PUNC_ALL, 3 },
57 { DELIM, 4 },
58 { REPEATS, 5 },
59 { EXNUMBER, 6 },
60 { -1, -1 },
61 };
62
spk_chartab_get_value(char * keyword)63 int spk_chartab_get_value(char *keyword)
64 {
65 int value = 0;
66
67 if (!strcmp(keyword, "ALPHA"))
68 value = ALPHA;
69 else if (!strcmp(keyword, "B_CTL"))
70 value = B_CTL;
71 else if (!strcmp(keyword, "WDLM"))
72 value = WDLM;
73 else if (!strcmp(keyword, "A_PUNC"))
74 value = A_PUNC;
75 else if (!strcmp(keyword, "PUNC"))
76 value = PUNC;
77 else if (!strcmp(keyword, "NUM"))
78 value = NUM;
79 else if (!strcmp(keyword, "A_CAP"))
80 value = A_CAP;
81 else if (!strcmp(keyword, "B_CAPSYM"))
82 value = B_CAPSYM;
83 else if (!strcmp(keyword, "B_SYM"))
84 value = B_SYM;
85 return value;
86 }
87
speakup_register_var(struct var_t * var)88 void speakup_register_var(struct var_t *var)
89 {
90 static char nothing[2] = "\0";
91 int i;
92 struct st_var_header *p_header;
93
94 BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
95 if (!var_ptrs[0]) {
96 for (i = 0; i < MAXVARS; i++) {
97 p_header = &var_headers[i];
98 var_ptrs[p_header->var_id] = p_header;
99 p_header->data = NULL;
100 }
101 }
102 p_header = var_ptrs[var->var_id];
103 if (p_header->data)
104 return;
105 p_header->data = var;
106 switch (p_header->var_type) {
107 case VAR_STRING:
108 spk_set_string_var(nothing, p_header, 0);
109 break;
110 case VAR_NUM:
111 case VAR_TIME:
112 spk_set_num_var(0, p_header, E_DEFAULT);
113 break;
114 default:
115 break;
116 }
117 }
118
speakup_unregister_var(enum var_id_t var_id)119 void speakup_unregister_var(enum var_id_t var_id)
120 {
121 struct st_var_header *p_header;
122
123 BUG_ON(var_id < 0 || var_id >= MAXVARS);
124 p_header = var_ptrs[var_id];
125 p_header->data = NULL;
126 }
127
spk_get_var_header(enum var_id_t var_id)128 struct st_var_header *spk_get_var_header(enum var_id_t var_id)
129 {
130 struct st_var_header *p_header;
131
132 if (var_id < 0 || var_id >= MAXVARS)
133 return NULL;
134 p_header = var_ptrs[var_id];
135 if (!p_header->data)
136 return NULL;
137 return p_header;
138 }
139
spk_var_header_by_name(const char * name)140 struct st_var_header *spk_var_header_by_name(const char *name)
141 {
142 int i;
143
144 if (!name)
145 return NULL;
146
147 for (i = 0; i < MAXVARS; i++) {
148 if (strcmp(name, var_ptrs[i]->name) == 0)
149 return var_ptrs[i];
150 }
151 return NULL;
152 }
153
spk_get_var(enum var_id_t var_id)154 struct var_t *spk_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(spk_get_var);
161
spk_get_punc_var(enum var_id_t var_id)162 struct punc_var_t *spk_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)) {
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 */
spk_set_num_var(int input,struct st_var_header * var,int how)178 int spk_set_num_var(int input, struct st_var_header *var, int how)
179 {
180 int val;
181 int *p_val = var->p_val;
182 char buf[32];
183 char *cp;
184 struct var_t *var_data = var->data;
185
186 if (!var_data)
187 return -ENODATA;
188
189 val = var_data->u.n.value;
190 switch (how) {
191 case E_NEW_DEFAULT:
192 if (input < var_data->u.n.low || input > var_data->u.n.high)
193 return -ERANGE;
194 var_data->u.n.default_val = input;
195 return 0;
196 case E_DEFAULT:
197 val = var_data->u.n.default_val;
198 break;
199 case E_SET:
200 val = input;
201 break;
202 case E_INC:
203 val += input;
204 break;
205 case E_DEC:
206 val -= input;
207 break;
208 }
209
210 if (val < var_data->u.n.low || val > var_data->u.n.high)
211 return -ERANGE;
212
213 var_data->u.n.value = val;
214 if (var->var_type == VAR_TIME && p_val) {
215 *p_val = msecs_to_jiffies(val);
216 return 0;
217 }
218 if (p_val)
219 *p_val = val;
220 if (var->var_id == PUNC_LEVEL) {
221 spk_punc_mask = spk_punc_masks[val];
222 return 0;
223 }
224 if (var_data->u.n.multiplier != 0)
225 val *= var_data->u.n.multiplier;
226 val += var_data->u.n.offset;
227 if (var->var_id < FIRST_SYNTH_VAR || !synth)
228 return 0;
229 if (synth->synth_adjust)
230 return synth->synth_adjust(var);
231
232 if (!var_data->u.n.synth_fmt)
233 return 0;
234 if (var->var_id == PITCH)
235 cp = spk_pitch_buff;
236 else
237 cp = buf;
238 if (!var_data->u.n.out_str)
239 sprintf(cp, var_data->u.n.synth_fmt, (int)val);
240 else
241 sprintf(cp, var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
242 synth_printf("%s", cp);
243 return 0;
244 }
245
spk_set_string_var(const char * page,struct st_var_header * var,int len)246 int spk_set_string_var(const char *page, struct st_var_header *var, int len)
247 {
248 struct var_t *var_data = var->data;
249
250 if (!var_data)
251 return -ENODATA;
252 if (len > MAXVARLEN)
253 return -E2BIG;
254 if (!len) {
255 if (!var_data->u.s.default_val)
256 return 0;
257 if (!var->p_val)
258 var->p_val = var_data->u.s.default_val;
259 if (var->p_val != var_data->u.s.default_val)
260 strcpy((char *)var->p_val, var_data->u.s.default_val);
261 return -ERESTART;
262 } else if (var->p_val) {
263 strcpy((char *)var->p_val, page);
264 } else {
265 return -E2BIG;
266 }
267 return 0;
268 }
269
270 /*
271 * spk_set_mask_bits sets or clears the punc/delim/repeat bits,
272 * if input is null uses the defaults.
273 * values for how: 0 clears bits of chars supplied,
274 * 1 clears allk, 2 sets bits for chars
275 */
spk_set_mask_bits(const char * input,const int which,const int how)276 int spk_set_mask_bits(const char *input, const int which, const int how)
277 {
278 u_char *cp;
279 short mask = spk_punc_info[which].mask;
280
281 if (how & 1) {
282 for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
283 spk_chartab[*cp] &= ~mask;
284 }
285 cp = (u_char *)input;
286 if (!cp) {
287 cp = spk_punc_info[which].value;
288 } else {
289 for (; *cp; cp++) {
290 if (*cp < SPACE)
291 break;
292 if (mask < PUNC) {
293 if (!(spk_chartab[*cp] & PUNC))
294 break;
295 } else if (spk_chartab[*cp] & B_NUM) {
296 break;
297 }
298 }
299 if (*cp)
300 return -EINVAL;
301 cp = (u_char *)input;
302 }
303 if (how & 2) {
304 for (; *cp; cp++)
305 if (*cp > SPACE)
306 spk_chartab[*cp] |= mask;
307 } else {
308 for (; *cp; cp++)
309 if (*cp > SPACE)
310 spk_chartab[*cp] &= ~mask;
311 }
312 return 0;
313 }
314
spk_strlwr(char * s)315 char *spk_strlwr(char *s)
316 {
317 char *p;
318
319 if (!s)
320 return NULL;
321
322 for (p = s; *p; p++)
323 *p = tolower(*p);
324 return s;
325 }
326
spk_s2uchar(char * start,char * dest)327 char *spk_s2uchar(char *start, char *dest)
328 {
329 int val;
330
331 val = simple_strtoul(skip_spaces(start), &start, 10);
332 if (*start == ',')
333 start++;
334 *dest = (u_char)val;
335 return start;
336 }
337
