/drivers/staging/speakup/varhandlers.c
https://bitbucket.org/cyanogenmod/android_kernel_asus_tf300t · C · 404 lines · 376 code · 23 blank · 5 comment · 144 complexity · 2521827b48ec98ee1c3135a693541903 MD5 · raw file
- #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, str_caps_start, NULL },
- { "caps_stop", CAPS_STOP, VAR_STRING, 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 },
- { "spell_delay", SPELL_DELAY, VAR_NUM, &spell_delay, NULL },
- { "bleeps", BLEEPS, VAR_NUM, &bleeps, NULL },
- { "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &attrib_bleep, NULL },
- { "bleep_time", BLEEP_TIME, VAR_TIME, &bleep_time, NULL },
- { "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
- { "punc_level", PUNC_LEVEL, VAR_NUM, &punc_level, NULL },
- { "reading_punc", READING_PUNC, VAR_NUM, &reading_punc, NULL },
- { "say_control", SAY_CONTROL, VAR_NUM, &say_ctrl, NULL },
- { "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &say_word_ctl, NULL },
- { "no_interrupt", NO_INTERRUPT, VAR_NUM, &no_intr, NULL },
- { "key_echo", KEY_ECHO, VAR_NUM, &key_echo, NULL },
- { "bell_pos", BELL_POS, VAR_NUM, &bell_pos, NULL },
- { "rate", RATE, VAR_NUM, NULL, NULL },
- { "pitch", PITCH, 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 },
- };
- static struct st_var_header *var_ptrs[MAXVARS] = { 0, 0, 0 };
- 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 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] == NULL) {
- 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 != NULL)
- return;
- p_header->data = var;
- switch (p_header->var_type) {
- case VAR_STRING:
- set_string_var(nothing, p_header, 0);
- break;
- case VAR_NUM:
- case VAR_TIME:
- set_num_var(0, p_header, E_DEFAULT);
- break;
- default:
- break;
- }
- return;
- }
- 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 *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 == NULL)
- return NULL;
- return p_header;
- }
- struct st_var_header *var_header_by_name(const char *name)
- {
- int i;
- struct st_var_header *where = NULL;
- if (name != NULL) {
- i = 0;
- while ((i < MAXVARS) && (where == NULL)) {
- if (strcmp(name, var_ptrs[i]->name) == 0)
- where = var_ptrs[i];
- else
- i++;
- }
- }
- return where;
- }
- struct var_t *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(get_var);
- struct punc_var_t *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 == NULL)) {
- if (where->var_id == var_id)
- rv = where;
- else
- where++;
- }
- return rv;
- }
- /* handlers for setting vars */
- int set_num_var(int input, struct st_var_header *var, int how)
- {
- int val;
- short ret = 0;
- int *p_val = var->p_val;
- int l;
- char buf[32];
- char *cp;
- struct var_t *var_data = var->data;
- if (var_data == NULL)
- return E_UNDEF;
- if (how == E_NEW_DEFAULT) {
- if (input < var_data->u.n.low || input > var_data->u.n.high)
- ret = E_RANGE;
- else
- var_data->u.n.default_val = input;
- return ret;
- }
- if (how == E_DEFAULT) {
- val = var_data->u.n.default_val;
- ret = SET_DEFAULT;
- } else {
- if (how == E_SET)
- val = input;
- else
- val = var_data->u.n.value;
- if (how == E_INC)
- val += input;
- else if (how == E_DEC)
- val -= input;
- if (val < var_data->u.n.low || val > var_data->u.n.high)
- return E_RANGE;
- }
- var_data->u.n.value = val;
- if (var->var_type == VAR_TIME && p_val != NULL) {
- *p_val = msecs_to_jiffies(val);
- return ret;
- }
- if (p_val != NULL)
- *p_val = val;
- if (var->var_id == PUNC_LEVEL) {
- punc_mask = punc_masks[val];
- return ret;
- }
- 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 == NULL)
- return ret;
- if (synth->synth_adjust != NULL) {
- int status = synth->synth_adjust(var);
- return (status != 0) ? status : ret;
- }
- if (!var_data->u.n.synth_fmt)
- return ret;
- if (var->var_id == PITCH)
- cp = pitch_buff;
- else
- cp = buf;
- if (!var_data->u.n.out_str)
- l = sprintf(cp, var_data->u.n.synth_fmt, (int)val);
- else
- l = sprintf(cp,
- var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
- synth_printf("%s", cp);
- return ret;
- }
- int set_string_var(const char *page, struct st_var_header *var, int len)
- {
- int ret = 0;
- struct var_t *var_data = var->data;
- if (var_data == NULL)
- return E_UNDEF;
- if (len > MAXVARLEN)
- return -E_TOOLONG;
- if (!len) {
- if (!var_data->u.s.default_val)
- return 0;
- ret = SET_DEFAULT;
- 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);
- } else if (var->p_val)
- strcpy((char *)var->p_val, page);
- else
- return -E_TOOLONG;
- return ret;
- }
- /* 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 set_mask_bits(const char *input, const int which, const int how)
- {
- u_char *cp;
- short mask = punc_info[which].mask;
- if (how&1) {
- for (cp = (u_char *)punc_info[3].value; *cp; cp++)
- spk_chartab[*cp] &= ~mask;
- }
- cp = (u_char *)input;
- if (cp == 0)
- cp = 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 *strlwr(char *s)
- {
- char *p;
- if (s == NULL)
- return NULL;
- for (p = s; *p; p++)
- *p = tolower(*p);
- return s;
- }
- char *speakup_s2i(char *start, int *dest)
- {
- int val;
- char ch = *start;
- if (ch == '-' || ch == '+')
- start++;
- if (*start < '0' || *start > '9')
- return start;
- val = (*start) - '0';
- start++;
- while (*start >= '0' && *start <= '9') {
- val *= 10;
- val += (*start) - '0';
- start++;
- }
- if (ch == '-')
- *dest = -val;
- else
- *dest = val;
- return start;
- }
- char *s2uchar(char *start, char *dest)
- {
- int val = 0;
- while (*start && *start <= SPACE)
- start++;
- while (*start >= '0' && *start <= '9') {
- val *= 10;
- val += (*start) - '0';
- start++;
- }
- if (*start == ',')
- start++;
- *dest = (u_char)val;
- return start;
- }
- char *xlate(char *s)
- {
- static const char finds[] = "nrtvafe";
- static const char subs[] = "\n\r\t\013\001\014\033";
- static const char hx[] = "0123456789abcdefABCDEF";
- char *p = s, *p1, *p2, c;
- int num;
- while ((p = strchr(p, '\\'))) {
- p1 = p+1;
- p2 = strchr(finds, *p1);
- if (p2) {
- *p++ = subs[p2-finds];
- p1++;
- } else if (*p1 >= '0' && *p1 <= '7') {
- num = (*p1++)&7;
- while (num < 256 && *p1 >= '0' && *p1 <= '7') {
- num <<= 3;
- num = (*p1++)&7;
- }
- *p++ = num;
- } else if (*p1 == 'x' &&
- strchr(hx, p1[1]) && strchr(hx, p1[2])) {
- p1++;
- c = *p1++;
- if (c > '9')
- c = (c - '7') & 0x0f;
- else
- c -= '0';
- num = c << 4;
- c = *p1++;
- if (c > '9')
- c = (c-'7')&0x0f;
- else
- c -= '0';
- num += c;
- *p++ = num;
- } else
- *p++ = *p1++;
- p2 = p;
- while (*p1)
- *p2++ = *p1++;
- *p2 = '\0';
- }
- return s;
- }