package opts // import "github.com/docker/docker/opts" // QuotedString is a string that may have extra quotes around the value. The // quotes are stripped from the value. type QuotedString struct { value *string } // Set sets a new value func (s *QuotedString) Set(val string) error { *s.value = trimQuotes(val) return nil } // Type returns the type of the value func (s *QuotedString) Type() string { return "string" } func (s *QuotedString) String() string { return *s.value } func trimQuotes(value string) string { lastIndex := len(value) - 1 for _, char := range []byte{'\'', '"'} { if value[0] == char && value[lastIndex] == char { return value[1:lastIndex] } } return value } // NewQuotedString returns a new quoted string option func NewQuotedString(value *string) *QuotedString { return &QuotedString{value: value} }