Function AR_TOSTRINGLIST

src/arithmetic/list_funcs/list_funcs.c:175–195

Convert a list of values to a list of string values. The conversion of each item in list is done using toStringOrNull */

/* Convert a list of values to a list of string values.
   The conversion of each item in list is done using toStringOrNull */
SIValue AR_TOSTRINGLIST(SIValue *argv, int argc, void *private_data) {
	ASSERT(argc == 1);
	if(SI_TYPE(argv[0]) == T_NULL) {
		return SI_NullVal();
	}
	ASSERT(SI_TYPE(argv[0]) == T_ARRAY);
	SIValue originalArray = argv[0];

	// get array length
	uint32_t arrayLen = SIArray_Length(originalArray);

	SIValue array = SI_Array(arrayLen);
	for(uint i = 0; i < arrayLen; i++) {
		SIValue v = SIArray_Get(originalArray, i);
		SIValue vstr = AR_TOSTRING(&v, 1, NULL);
		SIArray_Append(&array, vstr);
		SIValue_Free(vstr);
		SIValue_Free(v);
	}
	return array;
}

// normalize index
// returns true if 'index' is in range: [0..array_len]