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Add LongToBytes/BytesToLong operations
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/** | ||
* @author clubby789 [github.com/clubby789] | ||
* @copyright Crown Copyright 2024 | ||
* @license Apache-2.0 | ||
*/ | ||
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import Operation from "../Operation.mjs"; | ||
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/* global BigInt */ | ||
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/** | ||
* Bytes to Long Operation | ||
*/ | ||
class BytesToLong extends Operation { | ||
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/** | ||
* LongToBytes constructor | ||
*/ | ||
constructor() { | ||
super(); | ||
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this.name = "Bytes to Long"; | ||
this.module = "Default"; | ||
this.description = "Converts an array of bytes to a long integer. <br><br>e.g. <code>Hello</code> becomes <code>310939249775</code>"; | ||
this.inputType = "string"; | ||
this.outputType = "string"; | ||
} | ||
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/** | ||
* @param {string} input | ||
* @returns {string} | ||
*/ | ||
run(input, args) { | ||
const bytes = []; | ||
let charCode; | ||
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for (let i = 0; i < input.length; ++i) { | ||
charCode = input.charCodeAt(i); | ||
bytes.unshift(charCode & 0xFF); | ||
} | ||
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let value = BigInt(0); | ||
for (let i = bytes.length - 1; i >= 0; i--) { | ||
value = (value * BigInt(256)) + BigInt(bytes[i]); | ||
} | ||
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return value.toString(); | ||
} | ||
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} | ||
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export default BytesToLong; |
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Original file line number | Diff line number | Diff line change |
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@@ -0,0 +1,52 @@ | ||
/** | ||
* @author clubby789 [github.com/clubby789] | ||
* @copyright Crown Copyright 2024 | ||
* @license Apache-2.0 | ||
*/ | ||
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import Operation from "../Operation.mjs"; | ||
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/* global BigInt */ | ||
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/** | ||
* Long to Bytes Operation | ||
*/ | ||
class LongToBytes extends Operation { | ||
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/** | ||
* LongToBytes constructor | ||
*/ | ||
constructor() { | ||
super(); | ||
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this.name = "Long to Bytes"; | ||
this.module = "Default"; | ||
this.description = "Converts a long integer to an array of bytes. <br><br>e.g. <code>310939249775</code> becomes <code>Hello</code>"; | ||
this.inputType = "string"; | ||
this.outputType = "byteArray"; | ||
this.checks = [ | ||
{ | ||
pattern: "^[0-9]*$" | ||
} | ||
]; | ||
} | ||
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/** | ||
* @param {string} input | ||
* @returns {byteArray} | ||
*/ | ||
run(input, args) { | ||
const byteArray = []; | ||
let long = BigInt(input.replace(/[^\d]/g, "")); | ||
for (let index = 0; long > BigInt(0); index ++) { | ||
const byte = long & BigInt(0xff); | ||
byteArray.unshift(Number(byte)); | ||
long = (long - byte) / BigInt(256) ; | ||
} | ||
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return byteArray; | ||
} | ||
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} | ||
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export default LongToBytes; |
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Original file line number | Diff line number | Diff line change |
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/** | ||
* BytesToLong/LongToBytes tests | ||
* | ||
* @author clubby789 [github.com/clubby789] | ||
* @copyright Crown Copyright 2024 | ||
* @license Apache-2.0 | ||
*/ | ||
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import TestRegister from "../../lib/TestRegister.mjs"; | ||
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TestRegister.addTests([ | ||
{ | ||
name: "Bytes to Long", | ||
input: "This is a testing string!", | ||
expectedOutput: "529836718428447222471796396193323181240742300695594145834785", | ||
recipeConfig: [ | ||
{ | ||
op: "Bytes to Long", | ||
args: [] | ||
} | ||
], | ||
}, | ||
{ | ||
name: "Long to Bytes", | ||
input: "529836718428447222471796396193323181240742300695594145834785", | ||
expectedOutput: "This is a testing string!", | ||
recipeConfig: [ | ||
{ | ||
op: "Long to Bytes", | ||
args: [] | ||
} | ||
], | ||
} | ||
]); |