mirror of https://github.com/gchq/CyberChef.git
71 lines
1.7 KiB
JavaScript
71 lines
1.7 KiB
JavaScript
/**
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* @author n1474335 [n1474335@gmail.com]
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* @copyright Crown Copyright 2016
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* @license Apache-2.0
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*/
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import Operation from "../Operation.mjs";
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/**
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* Pad lines operation
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*/
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class PadLines extends Operation {
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/**
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* PadLines constructor
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*/
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constructor() {
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super();
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this.name = "Pad lines";
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this.module = "Default";
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this.description = "Add the specified number of the specified character to the beginning or end of each line";
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this.inputType = "string";
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this.outputType = "string";
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this.args = [
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{
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"name": "Position",
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"type": "option",
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"value": ["Start", "End"]
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},
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{
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"name": "Length",
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"type": "number",
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"value": 5
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},
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{
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"name": "Character",
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"type": "binaryShortString",
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"value": " "
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}
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];
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}
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/**
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* @param {string} input
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* @param {Object[]} args
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* @returns {string}
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*/
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run(input, args) {
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const [position, len, chr] = args,
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lines = input.split("\n");
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let output = "",
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i = 0;
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if (position === "Start") {
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for (i = 0; i < lines.length; i++) {
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output += lines[i].padStart(lines[i].length+len, chr) + "\n";
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}
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} else if (position === "End") {
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for (i = 0; i < lines.length; i++) {
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output += lines[i].padEnd(lines[i].length+len, chr) + "\n";
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}
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}
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return output.slice(0, output.length-1);
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}
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}
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export default PadLines;
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