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1"use strict";2Object.defineProperty(exports, "__esModule", { value: true });3exports.isInSubnet = isInSubnet;4exports.isCorrect = isCorrect;5exports.prefixLengthFromMask = prefixLengthFromMask;6exports.numberToPaddedHex = numberToPaddedHex;7exports.stringToPaddedHex = stringToPaddedHex;8exports.testBit = testBit;9const address_error_1 = require("./address-error");10function isInSubnet(address) {11    if (this.subnetMask < address.subnetMask) {12        return false;13    }14    if (this.mask(address.subnetMask) === address.mask()) {15        return true;16    }17    return false;18}19function isCorrect(defaultBits) {20    return function () {21        if (this.addressMinusSuffix !== this.correctForm()) {22            return false;23        }24        if (this.subnetMask === defaultBits && !this.parsedSubnet) {25            return true;26        }27        return this.parsedSubnet === String(this.subnetMask);28    };29}30/**31 * Returns the prefix length (number of leading 1 bits) of a contiguous32 * subnet mask. Throws `AddressError` if the mask is non-contiguous (e.g.33 * `255.0.255.0`).34 */35function prefixLengthFromMask(value, totalBits) {36    const binary = value.toString(2).padStart(totalBits, '0');37    if (binary.length > totalBits) {38        throw new address_error_1.AddressError('Invalid subnet mask.');39    }40    const firstZero = binary.indexOf('0');41    if (firstZero === -1) {42        return totalBits;43    }44    if (binary.slice(firstZero).includes('1')) {45        throw new address_error_1.AddressError('Invalid subnet mask.');46    }47    return firstZero;48}49function numberToPaddedHex(number) {50    return number.toString(16).padStart(2, '0');51}52function stringToPaddedHex(numberString) {53    return numberToPaddedHex(parseInt(numberString, 10));54}55/**56 * @param binaryValue Binary representation of a value (e.g. `10`)57 * @param position Byte position, where 0 is the least significant bit58 */59function testBit(binaryValue, position) {60    const { length } = binaryValue;61    if (position > length) {62        return false;63    }64    const positionInString = length - position;65    return binaryValue.substring(positionInString, positionInString + 1) === '1';66}67//# sourceMappingURL=common.js.map