| 1 | let binary = {}
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| 2 |
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| 3 | binary.octetToBinary = (octet) => {
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| 4 | const binaryOctet = Number(octet).toString(2)
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| 5 |
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| 6 | let zeros = ''
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| 7 | if (binaryOctet.length < 8) {
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| 8 | const leadingZeros = 8 - binaryOctet.length
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| 9 | for (let i = 0; i < leadingZeros; i++) {
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| 10 | zeros += '0'
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| 11 | }
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| 12 | }
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| 13 |
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| 14 | return zeros + binaryOctet
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| 15 | }
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| 16 |
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| 17 | binary.octetToDecimal = (octet) => {
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| 18 | let octetInDecimal = 0
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| 19 |
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| 20 | let invalidOctet = false
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| 21 | for (let i = 0; i < octet.length; i++) {
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| 22 | if (octet.charAt(i) !== '0' && octet.charAt(i) !== '1') invalidOctet = true
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| 23 | }
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| 24 |
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| 25 | if (invalidOctet) {
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| 26 | throw new Error('The octet given is invalid since it includes numbers other then 0 or 1.')
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| 27 | }
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| 28 |
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| 29 | if (octet.length !== 8) {
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| 30 | throw new Error('An octet must be 8 Bits long.')
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| 31 | }
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| 32 |
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| 33 | if (octet.charAt(0) === '1') octetInDecimal += 128
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| 34 | if (octet.charAt(1) === '1') octetInDecimal += 64
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| 35 | if (octet.charAt(2) === '1') octetInDecimal += 32
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| 36 | if (octet.charAt(3) === '1') octetInDecimal += 16
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| 37 |
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| 38 | if (octet.charAt(4) === '1') octetInDecimal += 8
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| 39 | if (octet.charAt(5) === '1') octetInDecimal += 4
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| 40 | if (octet.charAt(6) === '1') octetInDecimal += 2
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| 41 | if (octet.charAt(7) === '1') octetInDecimal += 1
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| 42 |
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| 43 | return octetInDecimal
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| 44 | }
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| 45 |
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| 46 | binary.logicalAnd = (octetOne, octetTwo) => {
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| 47 | return octetOne & octetTwo
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| 48 | }
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| 49 |
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| 50 | binary.splitIntoOctets = (bits) => {
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| 51 | const regex = Array.from(bits.matchAll(/.{1,8}/gm))
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| 52 | let octetArray = []
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| 53 |
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| 54 | for (let i = 0; i < regex.length; i++) {
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| 55 | octetArray.push(regex[i][0])
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| 56 | }
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| 57 |
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| 58 | return octetArray
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| 59 | }
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| 60 |
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| 61 | export default binary |
| \ | No newline at end of file |