Method ProgramOptions

ext/strings.go:622–647

ProgramOptions implements the Library interface method.

()

// ProgramOptions implements the Library interface method.
func (lib *stringLib) ProgramOptions() []cel.ProgramOption {
	if lib.version >= 5 {
		return []cel.ProgramOption{
			cel.CostTrackerOptions(
				interpreter.OverloadCostTracker("string_char_at_int", trackStringCharAtCost),
				interpreter.OverloadCostTracker("string_index_of_string", trackStringSearchCost),
				interpreter.OverloadCostTracker("string_index_of_string_int", trackStringSearchCost),
				interpreter.OverloadCostTracker("string_last_index_of_string", trackStringSearchCost),
				interpreter.OverloadCostTracker("string_last_index_of_string_int", trackStringSearchCost),
				interpreter.OverloadCostTracker("string_lower_ascii", trackStringTransformCost),
				interpreter.OverloadCostTracker("string_upper_ascii", trackStringTransformCost),
				interpreter.OverloadCostTracker("string_replace_string_string", trackStringReplaceCost),
				interpreter.OverloadCostTracker("string_replace_string_string_int", trackStringReplaceCost),
				interpreter.OverloadCostTracker("string_split_string", trackStringSplitCost),
				interpreter.OverloadCostTracker("string_split_string_int", trackStringSplitCost),
				interpreter.OverloadCostTracker("string_substring_int", trackStringTransformCost),
				interpreter.OverloadCostTracker("string_substring_int_int", trackStringTransformCost),
				interpreter.OverloadCostTracker("string_trim", trackStringTransformCost),
				interpreter.OverloadCostTracker("string_reverse", trackStringTransformCost),
				interpreter.OverloadCostTracker("list_join", trackStringJoinCost),
				interpreter.OverloadCostTracker("list_join_string", trackStringJoinCost),
			),
		}
	}
	return []cel.ProgramOption{}
}

func charAt(str string, ind int64) (string, error) {
	i := int(ind)