diff options
Diffstat (limited to 'drivers/staging/speakup/varhandlers.c')
| -rw-r--r-- | drivers/staging/speakup/varhandlers.c | 404 |
1 files changed, 404 insertions, 0 deletions
diff --git a/drivers/staging/speakup/varhandlers.c b/drivers/staging/speakup/varhandlers.c new file mode 100644 index 00000000000..ab7de9389dd --- /dev/null +++ b/drivers/staging/speakup/varhandlers.c @@ -0,0 +1,404 @@ +#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; +} |