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mod_rayo: tweak to allow duplicate <tag> for SISR

This commit is contained in:
Chris Rienzo 2013-08-30 18:17:43 -04:00
parent f1dba2e340
commit 7012a1c422
2 changed files with 78 additions and 13 deletions
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30
src/mod/event_handlers/mod_rayo/srgs.c
View File

@ -112,7 +112,7 @@ struct item_value {
int repeat_min;
int repeat_max;
const char *weight;
char *tag;
int tag;
};
/**
@ -164,7 +164,7 @@ struct srgs_grammar {
/** rule names mapped to node */
switch_hash_t *rules;
/** possible matching tags */
const char *tags[MAX_TAGS];
const char *tags[MAX_TAGS + 1];
/** number of tags */
int tag_count;
/** grammar encoding */
@ -725,11 +725,13 @@ static int process_cdata_tag(struct srgs_grammar *grammar, char *data, size_t le
{
struct srgs_node *item = grammar->cur->parent;
if (item && item->type == SNT_ITEM) {
item->value.item.tag = switch_core_alloc(grammar->pool, sizeof(char) * (len + 1));
item->value.item.tag[len] = '\0';
strncpy(item->value.item.tag, data, len);
if (grammar->tag_count < MAX_TAGS) {
grammar->tags[grammar->tag_count++] = item->value.item.tag;
/* grammar gets the tag name, item gets the unique tag number */
char *tag = switch_core_alloc(grammar->pool, sizeof(char) * (len + 1));
tag[len] = '\0';
strncpy(tag, data, len);
grammar->tags[++grammar->tag_count] = tag;
item->value.item.tag = grammar->tag_count;
} else {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_WARNING, "too many <tag>s\n");
return IKS_BADXML;
@ -986,11 +988,11 @@ static int create_regexes(struct srgs_grammar *grammar, struct srgs_node *node,
case SNT_ITEM:
if (node->child) {
struct srgs_node *item = node->child;
if (node->value.item.repeat_min != 1 || node->value.item.repeat_max != 1 || !zstr(node->value.item.tag)) {
if (zstr(node->value.item.tag)) {
stream->write_function(stream, "%s", "(?:");
if (node->value.item.repeat_min != 1 || node->value.item.repeat_max != 1 || node->value.item.tag) {
if (node->value.item.tag) {
stream->write_function(stream, "(?P<%d>", node->value.item.tag);
} else {
stream->write_function(stream, "(?P<%s>", node->value.item.tag);
stream->write_function(stream, "%s", "(?:");
}
}
for(; item; item = item->next) {
@ -1014,7 +1016,7 @@ static int create_regexes(struct srgs_grammar *grammar, struct srgs_node *node,
} else {
stream->write_function(stream, "){%i}", node->value.item.repeat_min);
}
} else if (!zstr(node->value.item.tag)) {
} else if (node->value.item.tag) {
stream->write_function(stream, "%s", ")");
}
}
@ -1282,9 +1284,11 @@ enum srgs_match_type srgs_grammar_match(struct srgs_grammar *grammar, const char
buffer[MAX_INPUT_SIZE] = '\0';
/* find matching instance... */
for (i = 0; i < grammar->tag_count; i++) {
for (i = 1; i <= grammar->tag_count; i++) {
char substring_name[16] = { 0 };
buffer[0] = '\0';
if (pcre_copy_named_substring(compiled_regex, input, ovector, result, grammar->tags[i], buffer, MAX_INPUT_SIZE) != PCRE_ERROR_NOSUBSTRING && !zstr_buf(buffer)) {
snprintf(substring_name, 16, "%d", i);
if (pcre_copy_named_substring(compiled_regex, input, ovector, result, substring_name, buffer, MAX_INPUT_SIZE) != PCRE_ERROR_NOSUBSTRING && !zstr_buf(buffer)) {
*interpretation = grammar->tags[i];
break;
}

61
src/mod/event_handlers/mod_rayo/test_srgs/main.c
View File

@ -65,6 +65,66 @@ static void test_match_adhearsion_menu_grammar(void)
srgs_parser_destroy(parser);
}
static const char *duplicate_tag_grammar =
"<grammar xmlns=\"http://www.w3.org/2001/06/grammar\" version=\"1.0\" xml:lang=\"en-US\" mode=\"dtmf\" root=\"options\" tag-format=\"semantics/1.0-literals\">"
" <rule id=\"options\" scope=\"public\">\n"
" <one-of>\n"
" <item><tag>2</tag>1</item>\n"
" <item><tag>2</tag>5</item>\n"
" <item><tag>4</tag>7</item>\n"
" <item><tag>4</tag>9</item>\n"
" </one-of>\n"
" </rule>\n"
"</grammar>\n";
/**
* Test matching with duplicate tags
*/
static void test_match_duplicate_tag_grammar(void)
{
struct srgs_parser *parser;
struct srgs_grammar *grammar;
const char *interpretation;
parser = srgs_parser_new("1234");
ASSERT_NOT_NULL((grammar = srgs_parse(parser, duplicate_tag_grammar)));
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "0", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_MATCH_END, srgs_grammar_match(grammar, "1", &interpretation));
ASSERT_STRING_EQUALS("2", interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "2", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "3", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "4", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_MATCH_END, srgs_grammar_match(grammar, "5", &interpretation));
ASSERT_STRING_EQUALS("2", interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "6", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_MATCH_END, srgs_grammar_match(grammar, "7", &interpretation));
ASSERT_STRING_EQUALS("4", interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "8", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_MATCH_END, srgs_grammar_match(grammar, "9", &interpretation));
ASSERT_STRING_EQUALS("4", interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "#", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "*", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "A", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "27", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "223", &interpretation));
ASSERT_NULL(interpretation);
ASSERT_EQUALS(SMT_NO_MATCH, srgs_grammar_match(grammar, "0123456789*#", &interpretation));
ASSERT_NULL(interpretation);
srgs_parser_destroy(parser);
}
static const char *adhearsion_ask_grammar =
"<grammar xmlns=\"http://www.w3.org/2001/06/grammar\" version=\"1.0\" xml:lang=\"en-US\" mode=\"dtmf\" root=\"inputdigits\">"
@ -1025,6 +1085,7 @@ int main(int argc, char **argv)
srgs_init();
TEST(test_parse_grammar);
TEST(test_match_adhearsion_menu_grammar);
TEST(test_match_duplicate_tag_grammar);
TEST(test_match_adhearsion_ask_grammar);
TEST(test_match_multi_digit_grammar);
TEST(test_match_multi_rule_grammar);