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Validate string slice fields

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This commit is contained in:
Kovid Goyal
2022-09-21 06:52:45 +05:30
parent 0cf8876f8a
commit 41a841c83d
2 changed files with 12 additions and 3 deletions
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10
tools/cli/option-from-string.go
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@@ -45,6 +45,13 @@ func OptionFromString(entries ...string) (*Option, error) {
return option_from_string(map[string]string{}, entries...)
}
func is_string_slice(f reflect.Value) bool {
if f.Kind() != reflect.Slice {
return false
}
return f.Type().Elem().Kind() == reflect.String
}
func OptionsFromStruct(pointer_to_options_struct interface{}) ([]*Option, error) {
val := reflect.ValueOf(pointer_to_options_struct).Elem()
if val.Kind() != reflect.Struct {
@@ -61,6 +68,9 @@ func OptionsFromStruct(pointer_to_options_struct interface{}) ([]*Option, error)
typ := "str"
switch f.Kind() {
case reflect.Slice:
if !is_string_slice(f) {
return nil, fmt.Errorf("The field %s is not a slice of strings", field_name)
}
typ = "list"
case reflect.Int:
typ = "int"