| import { Address4 } from './ipv4'; |
| import { Address6 } from './ipv6'; |
|
|
| export interface ReverseFormOptions { |
| omitSuffix?: boolean; |
| } |
|
|
| export function isInSubnet(this: Address4 | Address6, address: Address4 | Address6) { |
| if (this.subnetMask < address.subnetMask) { |
| return false; |
| } |
|
|
| if (this.mask(address.subnetMask) === address.mask()) { |
| return true; |
| } |
|
|
| return false; |
| } |
|
|
| export function isCorrect(defaultBits: number) { |
| return function (this: Address4 | Address6) { |
| if (this.addressMinusSuffix !== this.correctForm()) { |
| return false; |
| } |
|
|
| if (this.subnetMask === defaultBits && !this.parsedSubnet) { |
| return true; |
| } |
|
|
| return this.parsedSubnet === String(this.subnetMask); |
| }; |
| } |
|
|
| export function numberToPaddedHex(number: number) { |
| return number.toString(16).padStart(2, '0'); |
| } |
|
|
| export function stringToPaddedHex(numberString: string) { |
| return numberToPaddedHex(parseInt(numberString, 10)); |
| } |
|
|
| |
| |
| |
| |
| export function testBit(binaryValue: string, position: number): boolean { |
| const { length } = binaryValue; |
|
|
| if (position > length) { |
| return false; |
| } |
|
|
| const positionInString = length - position; |
| return binaryValue.substring(positionInString, positionInString + 1) === '1'; |
| } |
|
|
