add eval function

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9303 d0543943-73ff-0310-b7d9-9358b9ac24b2

diff --git a/src/mod/applications/mod_commands/mod_commands.c b/src/mod/applications/mod_commands/mod_commands.c
index eaaf8c1a473467ac987725968e302c5a34071175..7ec88482257c723fb0b448acab495846953ac385 100644 (file)
--- a/src/mod/applications/mod_commands/mod_commands.c
+++ b/src/mod/applications/mod_commands/mod_commands.c
@@ -197,6 +197,52 @@ SWITCH_STANDARD_API(url_decode_function)
        
 }
 
+
+SWITCH_STANDARD_API(eval_function)
+{
+       char *expanded;
+       switch_event_t *event;
+       char uuid[80] = "";
+       const char *p, *input = cmd;
+
+       if (switch_strlen_zero(cmd)) {
+               stream->write_function(stream, "%s", "");
+               return SWITCH_STATUS_SUCCESS;
+       }
+       
+       if (!strncasecmp(cmd, "uuid:", 5)) {
+               p = cmd + 5;
+               if ((input = strchr(p, ' ')) && *input++) {
+                       switch_copy_string(uuid, p, input - p);
+               }
+       }
+       
+       if (switch_strlen_zero(input)) {
+               stream->write_function(stream, "%s", "");
+               return SWITCH_STATUS_SUCCESS;
+       }
+
+       
+       switch_event_create(&event, SWITCH_EVENT_MESSAGE);
+       if (*uuid) {
+               if ((session = switch_core_session_locate(uuid))) {
+                       switch_channel_event_set_data(switch_core_session_get_channel(session), event);
+                       switch_core_session_rwunlock(session);
+               }
+       }
+
+       expanded = switch_event_expand_headers(event, input);
+       
+       stream->write_function(stream, "%s", expanded);
+
+       if (expanded != input) {
+               free(expanded);
+       }
+
+    return SWITCH_STATUS_SUCCESS;
+       
+}
+
 SWITCH_STANDARD_API(module_exists_function)
 {
        if (!switch_strlen_zero(cmd)) {
@@ -2535,6 +2581,7 @@ SWITCH_MODULE_LOAD_FUNCTION(mod_commands_load)
        SWITCH_ADD_API(commands_api_interface, "url_decode", "url decode a string", url_decode_function, "<string>");
        SWITCH_ADD_API(commands_api_interface, "module_exists", "check if module exists", module_exists_function, "<module>");
        SWITCH_ADD_API(commands_api_interface, "uuid_send_dtmf", "send dtmf digits", uuid_send_dtmf_function, UUID_SEND_DTMF_SYNTAX);
+       SWITCH_ADD_API(commands_api_interface, "eval", "eval (noop)", eval_function, "<expression>");
 
        /* indicate that the module should continue to be loaded */
        return SWITCH_STATUS_NOUNLOAD;