1package dns 2 3// StringToType is the reverse of TypeToString, needed for string parsing. 4var StringToType = reverseInt16(TypeToString) 5 6// StringToClass is the reverse of ClassToString, needed for string parsing. 7var StringToClass = reverseInt16(ClassToString) 8 9// StringToOpcode is a map of opcodes to strings. 10var StringToOpcode = reverseInt(OpcodeToString) 11 12// StringToRcode is a map of rcodes to strings. 13var StringToRcode = reverseInt(RcodeToString) 14 15// Reverse a map 16func reverseInt8(m map[uint8]string) map[string]uint8 { 17 n := make(map[string]uint8, len(m)) 18 for u, s := range m { 19 n[s] = u 20 } 21 return n 22} 23 24func reverseInt16(m map[uint16]string) map[string]uint16 { 25 n := make(map[string]uint16, len(m)) 26 for u, s := range m { 27 n[s] = u 28 } 29 return n 30} 31 32func reverseInt(m map[int]string) map[string]int { 33 n := make(map[string]int, len(m)) 34 for u, s := range m { 35 n[s] = u 36 } 37 return n 38} 39