![Samuel Thibault](/assets/img/avatar_default.png)
This prefixes all externally-visible symbols of speakup with "spk_". Signed-off-by: Samuel Thibault <samuel.thibault@ens-lyon.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
405 lines
9.4 KiB
C
405 lines
9.4 KiB
C
#include <linux/ctype.h>
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#include "spk_types.h"
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#include "spk_priv.h"
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#include "speakup.h"
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static struct st_var_header var_headers[] = {
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{ "version", VERSION, VAR_PROC, NULL, NULL },
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{ "synth_name", SYNTH, VAR_PROC, NULL, NULL },
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{ "keymap", KEYMAP, VAR_PROC, NULL, NULL },
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{ "silent", SILENT, VAR_PROC, NULL, NULL },
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{ "punc_some", PUNC_SOME, VAR_PROC, NULL, NULL },
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{ "punc_most", PUNC_MOST, VAR_PROC, NULL, NULL },
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{ "punc_all", PUNC_ALL, VAR_PROC, NULL, NULL },
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{ "delimiters", DELIM, VAR_PROC, NULL, NULL },
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{ "repeats", REPEATS, VAR_PROC, NULL, NULL },
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{ "ex_num", EXNUMBER, VAR_PROC, NULL, NULL },
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{ "characters", CHARS, VAR_PROC, NULL, NULL },
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{ "synth_direct", SYNTH_DIRECT, VAR_PROC, NULL, NULL },
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{ "caps_start", CAPS_START, VAR_STRING, spk_str_caps_start, NULL },
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{ "caps_stop", CAPS_STOP, VAR_STRING, spk_str_caps_stop, NULL },
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{ "delay_time", DELAY, VAR_TIME, NULL, NULL },
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{ "trigger_time", TRIGGER, VAR_TIME, NULL, NULL },
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{ "jiffy_delta", JIFFY, VAR_TIME, NULL, NULL },
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{ "full_time", FULL, VAR_TIME, NULL, NULL },
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{ "spell_delay", SPELL_DELAY, VAR_NUM, &spk_spell_delay, NULL },
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{ "bleeps", BLEEPS, VAR_NUM, &spk_bleeps, NULL },
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{ "attrib_bleep", ATTRIB_BLEEP, VAR_NUM, &spk_attrib_bleep, NULL },
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{ "bleep_time", BLEEP_TIME, VAR_TIME, &spk_bleep_time, NULL },
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{ "cursor_time", CURSOR_TIME, VAR_TIME, NULL, NULL },
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{ "punc_level", PUNC_LEVEL, VAR_NUM, &spk_punc_level, NULL },
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{ "reading_punc", READING_PUNC, VAR_NUM, &spk_reading_punc, NULL },
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{ "say_control", SAY_CONTROL, VAR_NUM, &spk_say_ctrl, NULL },
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{ "say_word_ctl", SAY_WORD_CTL, VAR_NUM, &spk_say_word_ctl, NULL },
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{ "no_interrupt", NO_INTERRUPT, VAR_NUM, &spk_no_intr, NULL },
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{ "key_echo", KEY_ECHO, VAR_NUM, &spk_key_echo, NULL },
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{ "bell_pos", BELL_POS, VAR_NUM, &spk_bell_pos, NULL },
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{ "rate", RATE, VAR_NUM, NULL, NULL },
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{ "pitch", PITCH, VAR_NUM, NULL, NULL },
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{ "vol", VOL, VAR_NUM, NULL, NULL },
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{ "tone", TONE, VAR_NUM, NULL, NULL },
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{ "punct", PUNCT, VAR_NUM, NULL, NULL },
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{ "voice", VOICE, VAR_NUM, NULL, NULL },
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{ "freq", FREQUENCY, VAR_NUM, NULL, NULL },
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{ "lang", LANG, VAR_NUM, NULL, NULL },
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{ "chartab", CHARTAB, VAR_PROC, NULL, NULL },
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{ "direct", DIRECT, VAR_NUM, NULL, NULL },
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};
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static struct st_var_header *var_ptrs[MAXVARS] = { 0, 0, 0 };
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static struct punc_var_t punc_vars[] = {
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{ PUNC_SOME, 1 },
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{ PUNC_MOST, 2 },
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{ PUNC_ALL, 3 },
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{ DELIM, 4 },
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{ REPEATS, 5 },
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{ EXNUMBER, 6 },
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{ -1, -1 },
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};
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int spk_chartab_get_value(char *keyword)
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{
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int value = 0;
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if (!strcmp(keyword, "ALPHA"))
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value = ALPHA;
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else if (!strcmp(keyword, "B_CTL"))
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value = B_CTL;
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else if (!strcmp(keyword, "WDLM"))
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value = WDLM;
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else if (!strcmp(keyword, "A_PUNC"))
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value = A_PUNC;
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else if (!strcmp(keyword, "PUNC"))
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value = PUNC;
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else if (!strcmp(keyword, "NUM"))
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value = NUM;
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else if (!strcmp(keyword, "A_CAP"))
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value = A_CAP;
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else if (!strcmp(keyword, "B_CAPSYM"))
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value = B_CAPSYM;
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else if (!strcmp(keyword, "B_SYM"))
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value = B_SYM;
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return value;
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}
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void speakup_register_var(struct var_t *var)
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{
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static char nothing[2] = "\0";
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int i;
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struct st_var_header *p_header;
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BUG_ON(!var || var->var_id < 0 || var->var_id >= MAXVARS);
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if (var_ptrs[0] == NULL) {
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for (i = 0; i < MAXVARS; i++) {
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p_header = &var_headers[i];
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var_ptrs[p_header->var_id] = p_header;
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p_header->data = NULL;
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}
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}
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p_header = var_ptrs[var->var_id];
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if (p_header->data != NULL)
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return;
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p_header->data = var;
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switch (p_header->var_type) {
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case VAR_STRING:
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spk_set_string_var(nothing, p_header, 0);
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break;
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case VAR_NUM:
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case VAR_TIME:
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spk_set_num_var(0, p_header, E_DEFAULT);
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break;
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default:
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break;
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}
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return;
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}
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void speakup_unregister_var(enum var_id_t var_id)
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{
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struct st_var_header *p_header;
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BUG_ON(var_id < 0 || var_id >= MAXVARS);
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p_header = var_ptrs[var_id];
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p_header->data = NULL;
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}
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struct st_var_header *spk_get_var_header(enum var_id_t var_id)
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{
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struct st_var_header *p_header;
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if (var_id < 0 || var_id >= MAXVARS)
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return NULL;
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p_header = var_ptrs[var_id];
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if (p_header->data == NULL)
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return NULL;
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return p_header;
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}
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struct st_var_header *spk_var_header_by_name(const char *name)
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{
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int i;
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struct st_var_header *where = NULL;
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if (name != NULL) {
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i = 0;
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while ((i < MAXVARS) && (where == NULL)) {
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if (strcmp(name, var_ptrs[i]->name) == 0)
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where = var_ptrs[i];
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else
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i++;
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}
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}
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return where;
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}
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struct var_t *spk_get_var(enum var_id_t var_id)
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{
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BUG_ON(var_id < 0 || var_id >= MAXVARS);
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BUG_ON(!var_ptrs[var_id]);
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return var_ptrs[var_id]->data;
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}
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EXPORT_SYMBOL_GPL(spk_get_var);
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struct punc_var_t *spk_get_punc_var(enum var_id_t var_id)
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{
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struct punc_var_t *rv = NULL;
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struct punc_var_t *where;
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where = punc_vars;
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while ((where->var_id != -1) && (rv == NULL)) {
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if (where->var_id == var_id)
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rv = where;
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else
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where++;
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}
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return rv;
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}
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/* handlers for setting vars */
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int spk_set_num_var(int input, struct st_var_header *var, int how)
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{
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int val;
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short ret = 0;
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int *p_val = var->p_val;
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int l;
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char buf[32];
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char *cp;
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struct var_t *var_data = var->data;
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if (var_data == NULL)
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return E_UNDEF;
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if (how == E_NEW_DEFAULT) {
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if (input < var_data->u.n.low || input > var_data->u.n.high)
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ret = E_RANGE;
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else
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var_data->u.n.default_val = input;
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return ret;
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}
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if (how == E_DEFAULT) {
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val = var_data->u.n.default_val;
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ret = SET_DEFAULT;
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} else {
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if (how == E_SET)
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val = input;
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else
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val = var_data->u.n.value;
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if (how == E_INC)
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val += input;
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else if (how == E_DEC)
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val -= input;
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if (val < var_data->u.n.low || val > var_data->u.n.high)
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return E_RANGE;
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}
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var_data->u.n.value = val;
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if (var->var_type == VAR_TIME && p_val != NULL) {
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*p_val = msecs_to_jiffies(val);
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return ret;
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}
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if (p_val != NULL)
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*p_val = val;
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if (var->var_id == PUNC_LEVEL) {
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spk_punc_mask = spk_punc_masks[val];
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return ret;
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}
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if (var_data->u.n.multiplier != 0)
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val *= var_data->u.n.multiplier;
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val += var_data->u.n.offset;
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if (var->var_id < FIRST_SYNTH_VAR || synth == NULL)
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return ret;
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if (synth->synth_adjust != NULL) {
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int status = synth->synth_adjust(var);
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return (status != 0) ? status : ret;
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}
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if (!var_data->u.n.synth_fmt)
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return ret;
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if (var->var_id == PITCH)
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cp = spk_pitch_buff;
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else
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cp = buf;
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if (!var_data->u.n.out_str)
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l = sprintf(cp, var_data->u.n.synth_fmt, (int)val);
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else
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l = sprintf(cp,
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var_data->u.n.synth_fmt, var_data->u.n.out_str[val]);
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synth_printf("%s", cp);
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return ret;
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}
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int spk_set_string_var(const char *page, struct st_var_header *var, int len)
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{
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int ret = 0;
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struct var_t *var_data = var->data;
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if (var_data == NULL)
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return E_UNDEF;
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if (len > MAXVARLEN)
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return -E_TOOLONG;
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if (!len) {
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if (!var_data->u.s.default_val)
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return 0;
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ret = SET_DEFAULT;
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if (!var->p_val)
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var->p_val = var_data->u.s.default_val;
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if (var->p_val != var_data->u.s.default_val)
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strcpy((char *)var->p_val, var_data->u.s.default_val);
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} else if (var->p_val)
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strcpy((char *)var->p_val, page);
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else
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return -E_TOOLONG;
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return ret;
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}
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/* spk_set_mask_bits sets or clears the punc/delim/repeat bits,
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* if input is null uses the defaults.
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* values for how: 0 clears bits of chars supplied,
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* 1 clears allk, 2 sets bits for chars */
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int spk_set_mask_bits(const char *input, const int which, const int how)
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{
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u_char *cp;
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short mask = spk_punc_info[which].mask;
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if (how&1) {
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for (cp = (u_char *)spk_punc_info[3].value; *cp; cp++)
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spk_chartab[*cp] &= ~mask;
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}
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cp = (u_char *)input;
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if (cp == 0)
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cp = spk_punc_info[which].value;
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else {
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for ( ; *cp; cp++) {
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if (*cp < SPACE)
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break;
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if (mask < PUNC) {
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if (!(spk_chartab[*cp]&PUNC))
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break;
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} else if (spk_chartab[*cp]&B_NUM)
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break;
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}
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if (*cp)
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return -EINVAL;
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cp = (u_char *)input;
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}
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if (how&2) {
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for ( ; *cp; cp++)
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if (*cp > SPACE)
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spk_chartab[*cp] |= mask;
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} else {
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for ( ; *cp; cp++)
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if (*cp > SPACE)
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spk_chartab[*cp] &= ~mask;
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}
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return 0;
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}
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char *spk_strlwr(char *s)
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{
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char *p;
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if (s == NULL)
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return NULL;
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for (p = s; *p; p++)
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*p = tolower(*p);
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return s;
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}
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char *speakup_s2i(char *start, int *dest)
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{
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int val;
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char ch = *start;
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if (ch == '-' || ch == '+')
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start++;
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if (*start < '0' || *start > '9')
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return start;
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val = (*start) - '0';
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start++;
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while (*start >= '0' && *start <= '9') {
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val *= 10;
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val += (*start) - '0';
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start++;
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}
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if (ch == '-')
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*dest = -val;
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else
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*dest = val;
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return start;
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}
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char *spk_s2uchar(char *start, char *dest)
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{
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int val = 0;
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while (*start && *start <= SPACE)
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start++;
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while (*start >= '0' && *start <= '9') {
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val *= 10;
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val += (*start) - '0';
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start++;
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}
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if (*start == ',')
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start++;
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*dest = (u_char)val;
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return start;
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}
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char *spk_xlate(char *s)
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{
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static const char finds[] = "nrtvafe";
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static const char subs[] = "\n\r\t\013\001\014\033";
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static const char hx[] = "0123456789abcdefABCDEF";
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char *p = s, *p1, *p2, c;
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int num;
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while ((p = strchr(p, '\\'))) {
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p1 = p+1;
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p2 = strchr(finds, *p1);
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if (p2) {
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*p++ = subs[p2-finds];
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p1++;
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} else if (*p1 >= '0' && *p1 <= '7') {
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num = (*p1++)&7;
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while (num < 256 && *p1 >= '0' && *p1 <= '7') {
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num <<= 3;
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num = (*p1++)&7;
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}
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*p++ = num;
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} else if (*p1 == 'x' &&
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strchr(hx, p1[1]) && strchr(hx, p1[2])) {
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p1++;
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c = *p1++;
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if (c > '9')
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c = (c - '7') & 0x0f;
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else
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c -= '0';
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num = c << 4;
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c = *p1++;
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if (c > '9')
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c = (c-'7')&0x0f;
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else
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c -= '0';
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num += c;
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*p++ = num;
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} else
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*p++ = *p1++;
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p2 = p;
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while (*p1)
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*p2++ = *p1++;
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*p2 = '\0';
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}
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return s;
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}
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