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54 lines
1.3 KiB
54 lines
1.3 KiB
'use strict';
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var utils = exports;
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function toArray(msg, enc) {
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if (Array.isArray(msg))
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return msg.slice();
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if (!msg)
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return [];
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var res = [];
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if (typeof msg !== 'string') {
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for (var i = 0; i < msg.length; i++)
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res[i] = msg[i] | 0;
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return res;
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}
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if (enc === 'hex') {
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msg = msg.replace(/[^a-z0-9]+/ig, '');
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if (msg.length % 2 !== 0)
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msg = '0' + msg;
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for (var i = 0; i < msg.length; i += 2)
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res.push(parseInt(msg[i] + msg[i + 1], 16));
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}
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else {
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for (var i = 0; i < msg.length; i++) {
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var c = msg.charCodeAt(i);
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var hi = c >> 8;
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var lo = c & 0xff;
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if (hi)
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res.push(hi, lo);
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else
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res.push(lo);
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}
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}
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return res;
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}
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utils.toArray = toArray;
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function zero2(word) {
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if (word.length === 1)
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return '0' + word;
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else
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return word;
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}
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utils.zero2 = zero2;
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function toHex(msg) {
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var res = '';
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for (var i = 0; i < msg.length; i++)
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res += zero2(msg[i].toString(16));
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return res;
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}
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utils.toHex = toHex;
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utils.encode = function encode(arr, enc) {
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if (enc === 'hex')
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return toHex(arr);
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else
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return arr;
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};
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