"use strict";
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/*
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* Copyright 2008 ZXing authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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var __extends = (this && this.__extends) || (function () {
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var extendStatics = function (d, b) {
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extendStatics = Object.setPrototypeOf ||
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({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
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function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
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return extendStatics(d, b);
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};
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return function (d, b) {
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extendStatics(d, b);
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function __() { this.constructor = d; }
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d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
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};
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})();
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var __values = (this && this.__values) || function(o) {
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var s = typeof Symbol === "function" && Symbol.iterator, m = s && o[s], i = 0;
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if (m) return m.call(o);
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if (o && typeof o.length === "number") return {
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next: function () {
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if (o && i >= o.length) o = void 0;
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return { value: o && o[i++], done: !o };
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}
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};
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throw new TypeError(s ? "Object is not iterable." : "Symbol.iterator is not defined.");
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};
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Object.defineProperty(exports, "__esModule", { value: true });
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var BarcodeFormat_1 = require("../BarcodeFormat");
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var DecodeHintType_1 = require("../DecodeHintType");
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var Result_1 = require("../Result");
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var OneDReader_1 = require("./OneDReader");
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var EAN13Reader_1 = require("./EAN13Reader");
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var EAN8Reader_1 = require("./EAN8Reader");
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var UPCAReader_1 = require("./UPCAReader");
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var NotFoundException_1 = require("../NotFoundException");
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var UPCEReader_1 = require("./UPCEReader");
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/**
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* <p>A reader that can read all available UPC/EAN formats. If a caller wants to try to
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* read all such formats, it is most efficient to use this implementation rather than invoke
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* individual readers.</p>
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*
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* @author Sean Owen
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*/
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var MultiFormatUPCEANReader = /** @class */ (function (_super) {
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__extends(MultiFormatUPCEANReader, _super);
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function MultiFormatUPCEANReader(hints) {
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var _this = _super.call(this) || this;
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var possibleFormats = hints == null ? null : hints.get(DecodeHintType_1.default.POSSIBLE_FORMATS);
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var readers = [];
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if (possibleFormats != null) {
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if (possibleFormats.indexOf(BarcodeFormat_1.default.EAN_13) > -1) {
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readers.push(new EAN13Reader_1.default());
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}
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if (possibleFormats.indexOf(BarcodeFormat_1.default.UPC_A) > -1) {
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readers.push(new UPCAReader_1.default());
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}
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if (possibleFormats.indexOf(BarcodeFormat_1.default.EAN_8) > -1) {
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readers.push(new EAN8Reader_1.default());
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}
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if (possibleFormats.indexOf(BarcodeFormat_1.default.UPC_E) > -1) {
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readers.push(new UPCEReader_1.default());
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}
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}
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if (readers.length === 0) {
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readers.push(new EAN13Reader_1.default());
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readers.push(new UPCAReader_1.default());
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readers.push(new EAN8Reader_1.default());
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readers.push(new UPCEReader_1.default());
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}
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_this.readers = readers;
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return _this;
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}
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MultiFormatUPCEANReader.prototype.decodeRow = function (rowNumber, row, hints) {
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var e_1, _a;
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try {
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for (var _b = __values(this.readers), _c = _b.next(); !_c.done; _c = _b.next()) {
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var reader = _c.value;
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try {
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// const result: Result = reader.decodeRow(rowNumber, row, startGuardPattern, hints);
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var result = reader.decodeRow(rowNumber, row, hints);
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// Special case: a 12-digit code encoded in UPC-A is identical to a "0"
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// followed by those 12 digits encoded as EAN-13. Each will recognize such a code,
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// UPC-A as a 12-digit string and EAN-13 as a 13-digit string starting with "0".
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// Individually these are correct and their readers will both read such a code
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// and correctly call it EAN-13, or UPC-A, respectively.
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//
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// In this case, if we've been looking for both types, we'd like to call it
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// a UPC-A code. But for efficiency we only run the EAN-13 decoder to also read
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// UPC-A. So we special case it here, and convert an EAN-13 result to a UPC-A
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// result if appropriate.
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//
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// But, don't return UPC-A if UPC-A was not a requested format!
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var ean13MayBeUPCA = result.getBarcodeFormat() === BarcodeFormat_1.default.EAN_13 &&
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result.getText().charAt(0) === '0';
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// @SuppressWarnings("unchecked")
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var possibleFormats = hints == null ? null : hints.get(DecodeHintType_1.default.POSSIBLE_FORMATS);
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var canReturnUPCA = possibleFormats == null || possibleFormats.includes(BarcodeFormat_1.default.UPC_A);
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if (ean13MayBeUPCA && canReturnUPCA) {
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var rawBytes = result.getRawBytes();
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// Transfer the metadata across
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var resultUPCA = new Result_1.default(result.getText().substring(1), rawBytes, (rawBytes ? rawBytes.length : null), result.getResultPoints(), BarcodeFormat_1.default.UPC_A);
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resultUPCA.putAllMetadata(result.getResultMetadata());
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return resultUPCA;
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}
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return result;
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}
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catch (err) {
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// continue;
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}
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}
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}
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catch (e_1_1) { e_1 = { error: e_1_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
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}
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finally { if (e_1) throw e_1.error; }
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}
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throw new NotFoundException_1.default();
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};
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MultiFormatUPCEANReader.prototype.reset = function () {
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var e_2, _a;
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try {
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for (var _b = __values(this.readers), _c = _b.next(); !_c.done; _c = _b.next()) {
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var reader = _c.value;
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reader.reset();
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}
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}
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catch (e_2_1) { e_2 = { error: e_2_1 }; }
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finally {
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try {
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if (_c && !_c.done && (_a = _b.return)) _a.call(_b);
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}
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finally { if (e_2) throw e_2.error; }
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}
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};
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return MultiFormatUPCEANReader;
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}(OneDReader_1.default));
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exports.default = MultiFormatUPCEANReader;
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