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57 lines
1.3 KiB
JavaScript
57 lines
1.3 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";
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import bzip2 from "../vendor/bzip2";
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import OperationError from "../errors/OperationError";
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/**
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* Bzip2 Decompress operation
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*/
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class Bzip2Decompress extends Operation {
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/**
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* Bzip2Decompress constructor
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*/
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constructor() {
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super();
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this.name = "Bzip2 Decompress";
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this.module = "Compression";
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this.description = "Decompresses data using the Bzip2 algorithm.";
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this.infoURL = "https://wikipedia.org/wiki/Bzip2";
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this.inputType = "byteArray";
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this.outputType = "string";
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this.args = [];
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this.patterns = [
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{
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"match": "^\\x42\\x5a\\x68",
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"flags": "",
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"args": []
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}
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];
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}
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/**
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* @param {byteArray} 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 compressed = new Uint8Array(input);
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try {
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const bzip2Reader = bzip2.array(compressed);
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return bzip2.simple(bzip2Reader);
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} catch (err) {
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throw new OperationError(err);
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}
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}
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}
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export default Bzip2Decompress;
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