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Tidied up TLV operation and tests

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n1474335 2018-10-10 13:56:20 +00:00
parent a15af602e0
commit e6b89d571e
7 changed files with 148 additions and 146 deletions
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21
src/core/lib/LengthValue.mjs → src/core/lib/TLVParser.mjs
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@ -1,5 +1,8 @@
/**
* Parser for Type-length-value data.
*
* @author gchq77703 []
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2018
* @license Apache-2.0
*/
@ -11,12 +14,15 @@ const defaults = {
};
/**
* Length Value library
* TLVParser library
*/
export default class LengthValue {
export default class TLVParser {
/**
* LengthValue constructor
* TLVParser constructor
*
* @param {byteArray} input
* @param {Object} options
*/
constructor(input, options) {
this.input = input;
@ -24,7 +30,7 @@ export default class LengthValue {
}
/**
* @returns {Number}
* @returns {number}
*/
getLength() {
if (this.basicEncodingRules) {
@ -48,13 +54,14 @@ export default class LengthValue {
}
/**
* @param {Number} length
* @returns {Number[]}
* @param {number} length
* @returns {number[]}
*/
getValue(length) {
const value = [];
for (let i = 0; i < length; i++) {
if (this.location > this.input.length) return value;
value.push(this.input[this.location]);
this.location++;
}
@ -63,7 +70,7 @@ export default class LengthValue {
}
/**
* @returns {Boolean}
* @returns {boolean}
*/
atEnd() {
return this.input.length <= this.location;