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// SPDX-License-Identifier: GPL-2.0
#include <linux/ctype.h>
#include "spk_types.h"
#include "spk_priv.h"
#include "speakup.h"
static struct st_var_header var_headers[] = {
{ "version", VERSION, VAR_PROC, NULL, NULL },
{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
{ "silent", SILENT, VAR_PROC, NULL, NULL },
{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
{ "characters", CHARS, VAR_PROC, NULL, NULL },
{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
{ "full_time", FULL, VAR_TIME, NULL, NULL },
{ "flush_time", FLUSH, VAR_TIME, NULL, NULL },
{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
{ "rate", RATE, VAR_NUM, NULL, NULL },
{ "pitch", PITCH, VAR_NUM, NULL, NULL },
{ "inflection", INFLECTION, VAR_NUM, NULL, NULL },
{ "vol", VOL, VAR_NUM, NULL, NULL },
{ "tone", TONE, VAR_NUM, NULL, NULL },
{ "punct", PUNCT, VAR_NUM, NULL, NULL },
{ "voice", VOICE, VAR_NUM, NULL, NULL },
{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
{ "lang", LANG, VAR_NUM, NULL, NULL },
{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
{ "direct", DIRECT, VAR_NUM, NULL, NULL },
{ "pause", PAUSE, VAR_STRING, spk_str_pause, NULL },
};
static struct st_var_header *var_ptrs[MAXVARS] = { NULL, NULL, NULL };
static struct punc_var_t punc_vars[] = {
{ PUNC_SOME, 1 },
{ PUNC_MOST, 2 },
{ PUNC_ALL, 3 },
{ DELIM, 4 },
{ REPEATS, 5 },
{ EXNUMBER, 6 },
{ -1, -1 },
};
int spk_chartab_get_value(char *keyword)
{
int value = 0;
if (!strcmp(keyword, "ALPHA"))
value = ALPHA;
else if (!strcmp(keyword, "B_CTL"))
value = B_CTL;
else if (!strcmp(keyword, "WDLM"))
value = WDLM;
else if (!strcmp(keyword, "A_PUNC"))
value = A_PUNC;
else if (!strcmp(keyword, "PUNC"))
value = PUNC;
else if (!strcmp(keyword, "NUM"))
value = NUM;
else if (!strcmp(keyword, "A_CAP"))
value = A_CAP;
else if (!strcmp(keyword, "B_CAPSYM"))
value = B_CAPSYM;
else if (!strcmp(keyword, "B_SYM"))
value = B_SYM;
return value;
}
void speakup_register_var(struct var_t *var)
{
static char nothing[2] = "\0";
int i;
struct st_var_header *p_header;
BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
if (!var_ptrs[0]) {
for (i = 0; i < MAXVARS; i++) {
p_header = &var_headers[i];
var_ptrs[p_header->var_id] = p_header;
p_header->data = NULL;
}
}
p_header = var_ptrs[var->var_id];
if (p_header->data)
return;
p_header->data = var;
switch (p_header->var_type) {
case VAR_STRING:
spk_set_string_var(nothing, p_header, 0);
break;
case VAR_NUM:
case VAR_TIME:
spk_set_num_var(0, p_header, E_DEFAULT);
break;
default:
break;
}
}
void speakup_unregister_var(enum var_id_t var_id)
{
struct st_var_header *p_header;
BUG_ON(var_id < 0 || var_id >= MAXVARS);
p_header = var_ptrs[var_id];
p_header->data = NULL;
}
struct st_var_header *spk_get_var_header(enum var_id_t var_id)
{
struct st_var_header *p_header;
if (var_id < 0 || var_id >= MAXVARS)
return NULL;
p_header = var_ptrs[var_id];
if (!p_header->data)
return NULL;
return p_header;
}
struct st_var_header *spk_var_header_by_name(const char *name)
{
int i;
if (!name)
return NULL;
for (i = 0; i < MAXVARS; i++) {
if (strcmp(name, var_ptrs[i]->name) == 0)
return var_ptrs[i];
}
return NULL;
}
struct var_t *spk_get_var(enum var_id_t var_id)
{
BUG_ON(var_id < 0 || var_id >= MAXVARS);
BUG_ON(!var_ptrs[var_id]);
return var_ptrs[var_id]->data;
}
EXPORT_SYMBOL_GPL(spk_get_var);
struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
{
struct punc_var_t *rv = NULL;
struct punc_var_t *where;
where = punc_vars;
while ((where->var_id != -1) && (!rv)) {
if (where->var_id == var_id)
rv = where;
else
where++;
}
return rv;
}
/* handlers for setting vars */
int spk_set_num_var(int input, struct st_var_header *var, int how)
{
int val;
int *p_val = var->p_val;
char buf[32];
char *cp;
struct var_t *var_data = var->data;
if (!var_data)
return -ENODATA;
val = var_data->u.n.value;
switch (how) {
case E_NEW_DEFAULT:
if (input < var_data->u.n.low || input > var_data->u.n.high)
return -ERANGE;
var_data->u.n.default_val = input;
return 0;
case E_DEFAULT:
val = var_data->u.n.default_val;
break;
case E_SET:
val = input;
break;
case E_INC:
val += input;
break;
case E_DEC:
val -= input;
break;
}
if (val < var_data->u.n.low || val > var_data->u.n.high)
return -ERANGE;
var_data->u.n.value = val;
if (var->var_type == VAR_TIME && p_val) {
*p_val = msecs_to_jiffies(val);
return 0;
}
if (p_val)
*p_val = val;
if (var->var_id == PUNC_LEVEL) {
spk_punc_mask = spk_punc_masks[val];
return 0;
}
if (var_data->u.n.multiplier != 0)
val *= var_data->u.n.multiplier;
val += var_data->u.n.offset;
if (var->var_id < FIRST_SYNTH_VAR || !synth)
return 0;
if (synth->synth_adjust)
return synth->synth_adjust(var);
if (!var_data->u.n.synth_fmt)
return 0;
if (var->var_id == PITCH)
cp = spk_pitch_buff;
else
cp = buf;
if (!var_data->u.n.out_str)
sprintf(cp, var_data->u.n.synth_fmt, (int)val);
else
sprintf(cp, var_data->u.n.synth_fmt,
var_data->u.n.out_str[val]);
synth_printf("%s", cp);
return 0;
}
int spk_set_string_var(const char *page, struct st_var_header *var, int len)
{
struct var_t *var_data = var->data;
if (!var_data)
return -ENODATA;
if (len > MAXVARLEN)
return -E2BIG;
if (!len) {
if (!var_data->u.s.default_val)
return 0;
if (!var->p_val)
var->p_val = var_data->u.s.default_val;
if (var->p_val != var_data->u.s.default_val)
strcpy((char *)var->p_val, var_data->u.s.default_val);
return -ERESTART;
} else if (var->p_val) {
strcpy((char *)var->p_val, page);
} else {
return -E2BIG;
}
return 0;
}
/*
* spk_set_mask_bits sets or clears the punc/delim/repeat bits,
* if input is null uses the defaults.
* values for how: 0 clears bits of chars supplied,
* 1 clears allk, 2 sets bits for chars
*/
int spk_set_mask_bits(const char *input, const int which, const int how)
{
u_char *cp;
short mask = spk_punc_info[which].mask;
if (how & 1) {
for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
spk_chartab[*cp] &= ~mask;
}
cp = (u_char *)input;
if (!cp) {
cp = spk_punc_info[which].value;
} else {
for (; *cp; cp++) {
if (*cp < SPACE)
break;
if (mask < PUNC) {
if (!(spk_chartab[*cp] & PUNC))
break;
} else if (spk_chartab[*cp] & B_NUM) {
break;
}
}
if (*cp)
return -EINVAL;
cp = (u_char *)input;
}
if (how & 2) {
for (; *cp; cp++)
if (*cp > SPACE)
spk_chartab[*cp] |= mask;
} else {
for (; *cp; cp++)
if (*cp > SPACE)
spk_chartab[*cp] &= ~mask;
}
return 0;
}
char *spk_strlwr(char *s)
{
char *p;
if (!s)
return NULL;
for (p = s; *p; p++)
*p = tolower(*p);
return s;
}
char *spk_s2uchar(char *start, char *dest)
{
int val;
/* Do not replace with kstrtoul: here we need start to be updated */
val = simple_strtoul(skip_spaces(start), &start, 10);
if (*start == ',')
start++;
*dest = (u_char)val;
return start;
}
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