use inline: for inline grammars. local files are now handled like mod_pocketsphinx

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@13927 d0543943-73ff-0310-b7d9-9358b9ac24b2
This commit is contained in:
Christopher Rienzo 2009-06-23 23:28:09 +00:00
parent df33a43acf
commit 3a878e92e5
1 changed files with 18 additions and 13 deletions

View File

@ -149,6 +149,7 @@ static int get_next_speech_channel_number(void);
#define BUILTIN_ID "builtin:"
#define SESSION_ID "session:"
#define HTTP_ID "http://"
#define INLINE_ID "inline:"
static int text_starts_with(const char *text, const char *match);
/**
@ -2449,7 +2450,7 @@ static switch_status_t recog_asr_load_grammar(switch_asr_handle_t *ah, const cha
switch_size_t grammar_file_size = 0, to_read = 0;
grammar_type_t type = GRAMMAR_TYPE_UNKNOWN;
const char *lname = switch_strlen_zero(name) ? "grammar" : name;
char *filename = NULL;
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "(%s) grammar = %s, name = %s\n", schannel->name, grammar, name);
if (switch_strlen_zero(grammar)) {
@ -2463,45 +2464,48 @@ static switch_status_t recog_asr_load_grammar(switch_asr_handle_t *ah, const cha
goto done;
}
/* check for local file grammar or URI grammar */
/* figure out what type of grammar this is */
if (text_starts_with(grammar, HTTP_ID) || text_starts_with(grammar, SESSION_ID) || text_starts_with(grammar, BUILTIN_ID)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "(%s) Grammar is URI\n", schannel->name);
type = GRAMMAR_TYPE_URI;
grammar_data = grammar;
} else if (switch_is_file_path(grammar)) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "(%s) Grammar is inside file\n", schannel->name);
} else if (text_starts_with(grammar, INLINE_ID)) {
grammar_data = grammar + strlen(INLINE_ID);
} else {
/* grammar points to file containing the grammar text. We assume the MRCP server can't get to this file
* so read the data from the file and cache it */
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "(%s) Grammar is inside file\n", schannel->name);
if (switch_is_file_path(grammar)) {
filename = switch_mprintf("%s.gram", grammar);
} else {
filename = switch_mprintf("%s%s%s.gram", SWITCH_GLOBAL_dirs.grammar_dir, SWITCH_PATH_SEPARATOR, grammar);
}
grammar_data = NULL;
if (switch_file_open(&grammar_file, grammar, SWITCH_FOPEN_READ, 0, schannel->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Could not read grammar file: %s\n", schannel->name, grammar);
if (switch_file_open(&grammar_file, filename, SWITCH_FOPEN_READ, 0, schannel->memory_pool) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Could not read grammar file: %s\n", schannel->name, filename);
status = SWITCH_STATUS_FALSE;
goto done;
}
grammar_file_size = switch_file_get_size(grammar_file);
if (grammar_file_size == 0) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Grammar file is empty: %s\n", schannel->name, grammar);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Grammar file is empty: %s\n", schannel->name, filename);
status = SWITCH_STATUS_FALSE;
goto done;
}
grammar_file_data = (char *)switch_core_alloc(schannel->memory_pool, grammar_file_size + 1);
to_read = grammar_file_size;
if (switch_file_read(grammar_file, grammar_file_data, &to_read) != SWITCH_STATUS_SUCCESS) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Grammar file read error: %s\n", schannel->name, grammar);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Grammar file read error: %s\n", schannel->name, filename);
status = SWITCH_STATUS_FALSE;
goto done;
}
if (to_read != grammar_file_size) {
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Could not read entire grammar file: %s\n", schannel->name, grammar);
switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "(%s) Could not read entire grammar file: %s\n", schannel->name, filename);
status = SWITCH_STATUS_FALSE;
goto done;
}
grammar_file_data[to_read] = '\0';
grammar_data = grammar_file_data;
} else {
/* assume inline grammar */
grammar_data = grammar;
}
/* determine content type of file grammar or inline grammar */
@ -2532,6 +2536,7 @@ static switch_status_t recog_asr_load_grammar(switch_asr_handle_t *ah, const cha
done:
switch_safe_free(filename);
if (grammar_file) {
switch_file_close(grammar_file);
}