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Restructured src files into a more logical hierarchy

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n1474335 2017-03-23 00:33:40 +00:00
parent c9910a8ddb
commit 0f2a5014be
125 changed files with 421 additions and 793 deletions
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97
src/js/operations/Endian.js
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@ -1,97 +0,0 @@
var Utils = require("../core/Utils.js");
/**
* Endian operations.
*
* @author n1474335 [n1474335@gmail.com]
* @copyright Crown Copyright 2016
* @license Apache-2.0
*
* @namespace
*/
var Endian = module.exports = {
/**
* @constant
* @default
*/
DATA_FORMAT: ["Hex", "Raw"],
/**
* @constant
* @default
*/
WORD_LENGTH: 4,
/**
* @constant
* @default
*/
PAD_INCOMPLETE_WORDS: true,
/**
* Swap endianness operation.
*
* @param {string} input
* @param {Object[]} args
* @returns {string}
*/
runSwapEndianness: function(input, args) {
var dataFormat = args[0],
wordLength = args[1],
padIncompleteWords = args[2],
data = [],
result = [],
words = [],
i = 0,
j = 0;
if (wordLength <= 0) {
return "Word length must be greater than 0";
}
// Convert input to raw data based on specified data format
switch (dataFormat) {
case "Hex":
data = Utils.fromHex(input);
break;
case "Raw":
data = Utils.strToByteArray(input);
break;
default:
data = input;
}
// Split up into words
for (i = 0; i < data.length; i += wordLength) {
var word = data.slice(i, i + wordLength);
// Pad word if too short
if (padIncompleteWords && word.length < wordLength){
for (j = word.length; j < wordLength; j++) {
word.push(0);
}
}
words.push(word);
}
// Swap endianness and flatten
for (i = 0; i < words.length; i++) {
j = words[i].length;
while (j--) {
result.push(words[i][j]);
}
}
// Convert data back to specified data format
switch (dataFormat) {
case "Hex":
return Utils.toHex(result);
case "Raw":
return Utils.byteArrayToUtf8(result);
default:
return result;
}
},
};