"use strict";
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/*
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* Copyright (C) 2010 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 __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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// import UPCEANReader from './UPCEANReader';
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var AbstractUPCEANReader_1 = require("./AbstractUPCEANReader");
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var Result_1 = require("../Result");
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var ResultPoint_1 = require("../ResultPoint");
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var ResultMetadataType_1 = require("../ResultMetadataType");
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var NotFoundException_1 = require("../NotFoundException");
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/**
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* @see UPCEANExtension2Support
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*/
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var UPCEANExtension5Support = /** @class */ (function () {
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function UPCEANExtension5Support() {
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this.CHECK_DIGIT_ENCODINGS = [0x18, 0x14, 0x12, 0x11, 0x0C, 0x06, 0x03, 0x0A, 0x09, 0x05];
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this.decodeMiddleCounters = Int32Array.from([0, 0, 0, 0]);
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this.decodeRowStringBuffer = '';
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}
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UPCEANExtension5Support.prototype.decodeRow = function (rowNumber, row, extensionStartRange) {
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var result = this.decodeRowStringBuffer;
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var end = this.decodeMiddle(row, extensionStartRange, result);
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var resultString = result.toString();
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var extensionData = UPCEANExtension5Support.parseExtensionString(resultString);
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var resultPoints = [
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new ResultPoint_1.default((extensionStartRange[0] + extensionStartRange[1]) / 2.0, rowNumber),
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new ResultPoint_1.default(end, rowNumber)
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];
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var extensionResult = new Result_1.default(resultString, null, 0, resultPoints, BarcodeFormat_1.default.UPC_EAN_EXTENSION, new Date().getTime());
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if (extensionData != null) {
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extensionResult.putAllMetadata(extensionData);
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}
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return extensionResult;
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};
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UPCEANExtension5Support.prototype.decodeMiddle = function (row, startRange, resultString) {
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var e_1, _a;
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var counters = this.decodeMiddleCounters;
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counters[0] = 0;
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counters[1] = 0;
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counters[2] = 0;
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counters[3] = 0;
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var end = row.getSize();
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var rowOffset = startRange[1];
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var lgPatternFound = 0;
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for (var x = 0; x < 5 && rowOffset < end; x++) {
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var bestMatch = AbstractUPCEANReader_1.default.decodeDigit(row, counters, rowOffset, AbstractUPCEANReader_1.default.L_AND_G_PATTERNS);
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resultString += String.fromCharCode(('0'.charCodeAt(0) + bestMatch % 10));
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try {
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for (var counters_1 = (e_1 = void 0, __values(counters)), counters_1_1 = counters_1.next(); !counters_1_1.done; counters_1_1 = counters_1.next()) {
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var counter = counters_1_1.value;
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rowOffset += counter;
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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 (counters_1_1 && !counters_1_1.done && (_a = counters_1.return)) _a.call(counters_1);
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}
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finally { if (e_1) throw e_1.error; }
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}
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if (bestMatch >= 10) {
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lgPatternFound |= 1 << (4 - x);
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}
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if (x !== 4) {
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// Read off separator if not last
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rowOffset = row.getNextSet(rowOffset);
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rowOffset = row.getNextUnset(rowOffset);
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}
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}
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if (resultString.length !== 5) {
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throw new NotFoundException_1.default();
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}
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var checkDigit = this.determineCheckDigit(lgPatternFound);
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if (UPCEANExtension5Support.extensionChecksum(resultString.toString()) !== checkDigit) {
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throw new NotFoundException_1.default();
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}
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return rowOffset;
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};
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UPCEANExtension5Support.extensionChecksum = function (s) {
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var length = s.length;
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var sum = 0;
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for (var i = length - 2; i >= 0; i -= 2) {
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sum += s.charAt(i).charCodeAt(0) - '0'.charCodeAt(0);
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}
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sum *= 3;
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for (var i = length - 1; i >= 0; i -= 2) {
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sum += s.charAt(i).charCodeAt(0) - '0'.charCodeAt(0);
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}
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sum *= 3;
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return sum % 10;
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};
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UPCEANExtension5Support.prototype.determineCheckDigit = function (lgPatternFound) {
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for (var d = 0; d < 10; d++) {
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if (lgPatternFound === this.CHECK_DIGIT_ENCODINGS[d]) {
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return d;
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}
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}
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throw new NotFoundException_1.default();
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};
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UPCEANExtension5Support.parseExtensionString = function (raw) {
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if (raw.length !== 5) {
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return null;
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}
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var value = UPCEANExtension5Support.parseExtension5String(raw);
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if (value == null) {
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return null;
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}
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return new Map([[ResultMetadataType_1.default.SUGGESTED_PRICE, value]]);
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};
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UPCEANExtension5Support.parseExtension5String = function (raw) {
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var currency;
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switch (raw.charAt(0)) {
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case '0':
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currency = '£';
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break;
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case '5':
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currency = '$';
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break;
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case '9':
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// Reference: http://www.jollytech.com
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switch (raw) {
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case '90000':
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// No suggested retail price
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return null;
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case '99991':
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// Complementary
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return '0.00';
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case '99990':
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return 'Used';
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}
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// Otherwise... unknown currency?
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currency = '';
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break;
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default:
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currency = '';
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break;
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}
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var rawAmount = parseInt(raw.substring(1));
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var unitsString = (rawAmount / 100).toString();
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var hundredths = rawAmount % 100;
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var hundredthsString = hundredths < 10 ? '0' + hundredths : hundredths.toString(); // fixme
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return currency + unitsString + '.' + hundredthsString;
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};
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return UPCEANExtension5Support;
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}());
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exports.default = UPCEANExtension5Support;
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