74 lines
2.9 KiB
JavaScript
74 lines
2.9 KiB
JavaScript
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"use strict";
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Object.defineProperty(exports, "__esModule", {
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value: true
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});
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var _createClass = function () { function defineProperties(target, props) { for (var i = 0; i < props.length; i++) { var descriptor = props[i]; descriptor.enumerable = descriptor.enumerable || false; descriptor.configurable = true; if ("value" in descriptor) descriptor.writable = true; Object.defineProperty(target, descriptor.key, descriptor); } } return function (Constructor, protoProps, staticProps) { if (protoProps) defineProperties(Constructor.prototype, protoProps); if (staticProps) defineProperties(Constructor, staticProps); return Constructor; }; }();
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var _Barcode2 = require("../Barcode.js");
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var _Barcode3 = _interopRequireDefault(_Barcode2);
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function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
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function _classCallCheck(instance, Constructor) { if (!(instance instanceof Constructor)) { throw new TypeError("Cannot call a class as a function"); } }
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function _possibleConstructorReturn(self, call) { if (!self) { throw new ReferenceError("this hasn't been initialised - super() hasn't been called"); } return call && (typeof call === "object" || typeof call === "function") ? call : self; }
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function _inherits(subClass, superClass) { if (typeof superClass !== "function" && superClass !== null) { throw new TypeError("Super expression must either be null or a function, not " + typeof superClass); } subClass.prototype = Object.create(superClass && superClass.prototype, { constructor: { value: subClass, enumerable: false, writable: true, configurable: true } }); if (superClass) Object.setPrototypeOf ? Object.setPrototypeOf(subClass, superClass) : subClass.__proto__ = superClass; } // Encoding documentation
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// https://en.wikipedia.org/wiki/MSI_Barcode#Character_set_and_binary_lookup
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var MSI = function (_Barcode) {
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_inherits(MSI, _Barcode);
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function MSI(data, options) {
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_classCallCheck(this, MSI);
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return _possibleConstructorReturn(this, (MSI.__proto__ || Object.getPrototypeOf(MSI)).call(this, data, options));
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}
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_createClass(MSI, [{
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key: "encode",
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value: function encode() {
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// Start bits
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var ret = "110";
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for (var i = 0; i < this.data.length; i++) {
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// Convert the character to binary (always 4 binary digits)
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var digit = parseInt(this.data[i]);
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var bin = digit.toString(2);
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bin = addZeroes(bin, 4 - bin.length);
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// Add 100 for every zero and 110 for every 1
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for (var b = 0; b < bin.length; b++) {
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ret += bin[b] == "0" ? "100" : "110";
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}
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}
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// End bits
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ret += "1001";
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return {
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data: ret,
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text: this.text
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};
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}
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}, {
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key: "valid",
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value: function valid() {
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return this.data.search(/^[0-9]+$/) !== -1;
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}
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}]);
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return MSI;
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}(_Barcode3.default);
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function addZeroes(number, n) {
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for (var i = 0; i < n; i++) {
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number = "0" + number;
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}
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return number;
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}
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exports.default = MSI;
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