diff --git a/pbx.c b/pbx.c index bc64dfd97bce294899d5c154e39a87adc44e5d8f..2b4078fb5b1b5e1df3e6ef2f1df1687eefa62c5b 100755 --- a/pbx.c +++ b/pbx.c @@ -1183,6 +1183,41 @@ static char *builtin_function_exists(struct ast_channel *chan, char *cmd, char * return cmd ? ret_true : ret_false; } +static char *builtin_function_if(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) +{ + char *ret = NULL; + char *mydata = NULL; + char *expr = NULL; + char *iftrue = NULL; + char *iffalse = NULL; + + if((mydata = ast_strdupa(data))) { + expr = mydata; + if ((iftrue = strchr(mydata, '?'))) { + *iftrue = '\0'; + iftrue++; + if ((iffalse = strchr(iftrue, ':'))) { + *iffalse = '\0'; + iffalse++; + } + } else + iffalse = ""; + if (expr && iftrue) { + ret = ast_true(expr) ? iftrue : iffalse; + strncpy(buf, ret, len); + ret = buf; + } else { + ast_log(LOG_WARNING, "Syntax $(if <expr>?[<truecond>][:<falsecond>])\n"); + ret = NULL; + } + } else { + ast_log(LOG_WARNING, "Memory Error!\n"); + ret = NULL; + } + + return ret; +} + static char *builtin_function_regex(struct ast_channel *chan, char *cmd, char *data, char *buf, size_t len) { char *ret_true = "1", *ret_false = "0", *ret; @@ -3392,6 +3427,14 @@ static struct ast_custom_function_obj exists_function = { .function = builtin_function_exists, }; +static struct ast_custom_function_obj if_function = { + .name = "if", + .desc = "Conditional: Returns the data following '?' if true else the data following ':'", + .syntax = "$(if <expr>?<true>:<false>)", + .function = builtin_function_if, +}; + + /* * CLI entries for upper commands ... */ @@ -5766,6 +5809,7 @@ int load_pbx(void) ast_custom_function_register(®ex_function); ast_custom_function_register(&isnull_function); ast_custom_function_register(&exists_function); + ast_custom_function_register(&if_function); /* Register builtin applications */ for (x=0; x<sizeof(builtins) / sizeof(struct pbx_builtin); x++) {