static fsg_model_t *
get_fsg(jsgf_t *grammar, const char *name)
{
logmath_t *lmath;
fsg_model_t *fsg;
jsgf_rule_t *rule;
/* Take the -toprule if specified. */
if (name) {
rule = jsgf_get_rule(grammar, name);
if (rule == NULL) {
E_ERROR("Start rule %s not found\n", name);
return NULL;
}
} else {
rule = jsgf_get_public_rule(grammar);
if (rule == NULL) {
E_ERROR("No public rules found in grammar %s\n", jsgf_grammar_name(grammar));
return NULL;
} else {
E_INFO("No -toprule was given; grabbing the first public rule: "
"'%s' of the grammar '%s'.\n",
jsgf_rule_name(rule), jsgf_grammar_name(grammar));
}
}
lmath = logmath_init(1.0001, 0, 0);
fsg = jsgf_build_fsg_raw(grammar, rule, lmath, 1.0);
return fsg;
}
jsgf_rule_t *
jsgf_get_public_rule(jsgf_t * grammar)
{
jsgf_rule_iter_t *itor;
jsgf_rule_t *public_rule = NULL;
for (itor = jsgf_rule_iter(grammar); itor;
itor = jsgf_rule_iter_next(itor)) {
jsgf_rule_t *rule = jsgf_rule_iter_rule(itor);
if (jsgf_rule_public(rule)) {
const char *rule_name = jsgf_rule_name(rule);
char *dot_pos;
if ((dot_pos = strrchr(rule_name + 1, '.')) == NULL) {
public_rule = rule;
jsgf_rule_iter_free(itor);
break;
}
if (0 ==
strncmp(rule_name + 1, jsgf_grammar_name(grammar),
dot_pos - rule_name - 1)) {
public_rule = rule;
jsgf_rule_iter_free(itor);
break;
}
}
}
return public_rule;
}
int
main(int argc, char *argv[])
{
logmath_t *lmath;
fsg_model_t *fsg;
jsgf_t *jsgf;
jsgf_rule_t *rule;
lmath = logmath_init(1.0001, 0, 0);
/* Test loading */
jsgf = jsgf_parse_file(LMDIR "/polite.gram", NULL);
TEST_ASSERT(jsgf);
rule = jsgf_get_rule(jsgf, "polite.startPolite");
TEST_ASSERT(rule);
fsg = jsgf_build_fsg(jsgf, rule, lmath, 7.5);
TEST_ASSERT(fsg);
TEST_EQUAL_STRING("polite", jsgf_grammar_name(jsgf));
TEST_ASSERT(fsg_model_add_silence(fsg, "<sil>", -1, 0.3));
TEST_ASSERT(fsg_model_add_silence(fsg, "++NOISE++", -1, 0.3));
TEST_ASSERT(fsg_model_add_alt(fsg, "please", "please(2)"));
jsgf_grammar_free(jsgf);
fsg_model_write(fsg, stdout);
fsg_model_free(fsg);
/* Or do everything at once */
fsg = jsgf_read_file(LMDIR "/public.gram", lmath, 1.0);
fsg_model_free(fsg);
/* Test grammar with keywords inside */
jsgf = jsgf_parse_file(LMDIR "/public.gram", NULL);
TEST_ASSERT(jsgf);
jsgf_grammar_free(jsgf);
jsgf = jsgf_parse_string("#JSGF V1.0; grammar test; public <choice> = yes | no;", NULL);
TEST_ASSERT(jsgf);
rule = jsgf_get_rule(jsgf, "test.choice");
TEST_ASSERT(rule);
fsg = jsgf_build_fsg(jsgf, rule, lmath, 7.5);
fsg_model_write(fsg, stdout);
fsg_model_free(fsg);
jsgf_grammar_free(jsgf);
logmath_free(lmath);
return 0;
}
