"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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// tslint:disable-next-line:no-circular-imports
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var ASCIIEncoder_1 = require("./ASCIIEncoder");
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// tslint:disable-next-line:no-circular-imports
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var Base256Encoder_1 = require("./Base256Encoder");
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// tslint:disable-next-line:no-circular-imports
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var C40Encoder_1 = require("./C40Encoder");
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var constants_1 = require("./constants");
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// tslint:disable-next-line:no-circular-imports
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var EdifactEncoder_1 = require("./EdifactEncoder");
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var EncoderContext_1 = require("./EncoderContext");
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// tslint:disable-next-line:no-circular-imports
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var X12Encoder_1 = require("./X12Encoder");
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// tslint:disable-next-line:no-circular-imports
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var TextEncoder_1 = require("./TextEncoder");
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var Arrays_1 = require("../../util/Arrays");
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var Integer_1 = require("../../util/Integer");
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/**
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* DataMatrix ECC 200 data encoder following the algorithm described in ISO/IEC 16022:200(E) in
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* annex S.
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*/
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var HighLevelEncoder = /** @class */ (function () {
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function HighLevelEncoder() {
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}
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HighLevelEncoder.randomize253State = function (codewordPosition) {
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var pseudoRandom = ((149 * codewordPosition) % 253) + 1;
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var tempVariable = constants_1.PAD + pseudoRandom;
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return tempVariable <= 254 ? tempVariable : tempVariable - 254;
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};
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/**
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* Performs message encoding of a DataMatrix message using the algorithm described in annex P
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* of ISO/IEC 16022:2000(E).
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*
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* @param msg the message
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* @param shape requested shape. May be {@code SymbolShapeHint.FORCE_NONE},
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* {@code SymbolShapeHint.FORCE_SQUARE} or {@code SymbolShapeHint.FORCE_RECTANGLE}.
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* @param minSize the minimum symbol size constraint or null for no constraint
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* @param maxSize the maximum symbol size constraint or null for no constraint
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* @param forceC40 enforce C40 encoding
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* @return the encoded message (the char values range from 0 to 255)
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*/
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HighLevelEncoder.encodeHighLevel = function (msg, shape, minSize, maxSize, forceC40) {
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if (shape === void 0) { shape = 0 /* FORCE_NONE */; }
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if (minSize === void 0) { minSize = null; }
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if (maxSize === void 0) { maxSize = null; }
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if (forceC40 === void 0) { forceC40 = false; }
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// the codewords 0..255 are encoded as Unicode characters
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var c40Encoder = new C40Encoder_1.C40Encoder();
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var encoders = [
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new ASCIIEncoder_1.ASCIIEncoder(),
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c40Encoder,
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new TextEncoder_1.TextEncoder(),
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new X12Encoder_1.X12Encoder(),
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new EdifactEncoder_1.EdifactEncoder(),
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new Base256Encoder_1.Base256Encoder(),
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];
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var context = new EncoderContext_1.EncoderContext(msg);
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context.setSymbolShape(shape);
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context.setSizeConstraints(minSize, maxSize);
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if (msg.startsWith(constants_1.MACRO_05_HEADER) && msg.endsWith(constants_1.MACRO_TRAILER)) {
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context.writeCodeword(constants_1.MACRO_05);
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context.setSkipAtEnd(2);
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context.pos += constants_1.MACRO_05_HEADER.length;
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}
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else if (msg.startsWith(constants_1.MACRO_06_HEADER) && msg.endsWith(constants_1.MACRO_TRAILER)) {
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context.writeCodeword(constants_1.MACRO_06);
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context.setSkipAtEnd(2);
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context.pos += constants_1.MACRO_06_HEADER.length;
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}
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var encodingMode = constants_1.ASCII_ENCODATION; // Default mode
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if (forceC40) {
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c40Encoder.encodeMaximal(context);
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encodingMode = context.getNewEncoding();
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context.resetEncoderSignal();
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}
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while (context.hasMoreCharacters()) {
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encoders[encodingMode].encode(context);
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if (context.getNewEncoding() >= 0) {
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encodingMode = context.getNewEncoding();
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context.resetEncoderSignal();
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}
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}
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var len = context.getCodewordCount();
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context.updateSymbolInfo();
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var capacity = context.getSymbolInfo().getDataCapacity();
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if (len < capacity &&
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encodingMode !== constants_1.ASCII_ENCODATION &&
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encodingMode !== constants_1.BASE256_ENCODATION &&
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encodingMode !== constants_1.EDIFACT_ENCODATION) {
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context.writeCodeword('\u00fe'); // Unlatch (254)
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}
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// Padding
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var codewords = context.getCodewords();
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if (codewords.length() < capacity) {
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codewords.append(constants_1.PAD);
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}
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while (codewords.length() < capacity) {
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codewords.append(this.randomize253State(codewords.length() + 1));
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}
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return context.getCodewords().toString();
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};
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HighLevelEncoder.lookAheadTest = function (msg, startpos, currentMode) {
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var newMode = this.lookAheadTestIntern(msg, startpos, currentMode);
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if (currentMode === constants_1.X12_ENCODATION && newMode === constants_1.X12_ENCODATION) {
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var endpos = Math.min(startpos + 3, msg.length);
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for (var i = startpos; i < endpos; i++) {
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if (!this.isNativeX12(msg.charCodeAt(i))) {
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return constants_1.ASCII_ENCODATION;
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}
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}
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}
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else if (currentMode === constants_1.EDIFACT_ENCODATION &&
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newMode === constants_1.EDIFACT_ENCODATION) {
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var endpos = Math.min(startpos + 4, msg.length);
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for (var i = startpos; i < endpos; i++) {
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if (!this.isNativeEDIFACT(msg.charCodeAt(i))) {
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return constants_1.ASCII_ENCODATION;
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}
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}
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}
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return newMode;
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};
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HighLevelEncoder.lookAheadTestIntern = function (msg, startpos, currentMode) {
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if (startpos >= msg.length) {
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return currentMode;
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}
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var charCounts;
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// step J
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if (currentMode === constants_1.ASCII_ENCODATION) {
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charCounts = [0, 1, 1, 1, 1, 1.25];
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}
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else {
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charCounts = [1, 2, 2, 2, 2, 2.25];
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charCounts[currentMode] = 0;
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}
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var charsProcessed = 0;
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var mins = new Uint8Array(6);
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var intCharCounts = [];
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while (true) {
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// step K
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if (startpos + charsProcessed === msg.length) {
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Arrays_1.default.fill(mins, 0);
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Arrays_1.default.fill(intCharCounts, 0);
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var min = this.findMinimums(charCounts, intCharCounts, Integer_1.default.MAX_VALUE, mins);
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var minCount = this.getMinimumCount(mins);
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if (intCharCounts[constants_1.ASCII_ENCODATION] === min) {
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return constants_1.ASCII_ENCODATION;
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}
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if (minCount === 1) {
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if (mins[constants_1.BASE256_ENCODATION] > 0) {
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return constants_1.BASE256_ENCODATION;
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}
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if (mins[constants_1.EDIFACT_ENCODATION] > 0) {
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return constants_1.EDIFACT_ENCODATION;
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}
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if (mins[constants_1.TEXT_ENCODATION] > 0) {
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return constants_1.TEXT_ENCODATION;
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}
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if (mins[constants_1.X12_ENCODATION] > 0) {
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return constants_1.X12_ENCODATION;
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}
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}
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return constants_1.C40_ENCODATION;
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}
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var c = msg.charCodeAt(startpos + charsProcessed);
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charsProcessed++;
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// step L
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if (this.isDigit(c)) {
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charCounts[constants_1.ASCII_ENCODATION] += 0.5;
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}
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else if (this.isExtendedASCII(c)) {
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charCounts[constants_1.ASCII_ENCODATION] = Math.ceil(charCounts[constants_1.ASCII_ENCODATION]);
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charCounts[constants_1.ASCII_ENCODATION] += 2.0;
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}
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else {
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charCounts[constants_1.ASCII_ENCODATION] = Math.ceil(charCounts[constants_1.ASCII_ENCODATION]);
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charCounts[constants_1.ASCII_ENCODATION]++;
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}
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// step M
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if (this.isNativeC40(c)) {
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charCounts[constants_1.C40_ENCODATION] += 2.0 / 3.0;
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}
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else if (this.isExtendedASCII(c)) {
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charCounts[constants_1.C40_ENCODATION] += 8.0 / 3.0;
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}
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else {
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charCounts[constants_1.C40_ENCODATION] += 4.0 / 3.0;
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}
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// step N
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if (this.isNativeText(c)) {
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charCounts[constants_1.TEXT_ENCODATION] += 2.0 / 3.0;
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}
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else if (this.isExtendedASCII(c)) {
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charCounts[constants_1.TEXT_ENCODATION] += 8.0 / 3.0;
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}
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else {
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charCounts[constants_1.TEXT_ENCODATION] += 4.0 / 3.0;
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}
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// step O
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if (this.isNativeX12(c)) {
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charCounts[constants_1.X12_ENCODATION] += 2.0 / 3.0;
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}
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else if (this.isExtendedASCII(c)) {
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charCounts[constants_1.X12_ENCODATION] += 13.0 / 3.0;
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}
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else {
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charCounts[constants_1.X12_ENCODATION] += 10.0 / 3.0;
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}
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// step P
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if (this.isNativeEDIFACT(c)) {
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charCounts[constants_1.EDIFACT_ENCODATION] += 3.0 / 4.0;
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}
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else if (this.isExtendedASCII(c)) {
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charCounts[constants_1.EDIFACT_ENCODATION] += 17.0 / 4.0;
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}
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else {
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charCounts[constants_1.EDIFACT_ENCODATION] += 13.0 / 4.0;
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}
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// step Q
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if (this.isSpecialB256(c)) {
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charCounts[constants_1.BASE256_ENCODATION] += 4.0;
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}
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else {
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charCounts[constants_1.BASE256_ENCODATION]++;
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}
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// step R
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if (charsProcessed >= 4) {
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Arrays_1.default.fill(mins, 0);
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Arrays_1.default.fill(intCharCounts, 0);
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this.findMinimums(charCounts, intCharCounts, Integer_1.default.MAX_VALUE, mins);
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if (intCharCounts[constants_1.ASCII_ENCODATION] <
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this.min(intCharCounts[constants_1.BASE256_ENCODATION], intCharCounts[constants_1.C40_ENCODATION], intCharCounts[constants_1.TEXT_ENCODATION], intCharCounts[constants_1.X12_ENCODATION], intCharCounts[constants_1.EDIFACT_ENCODATION])) {
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return constants_1.ASCII_ENCODATION;
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}
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if (intCharCounts[constants_1.BASE256_ENCODATION] < intCharCounts[constants_1.ASCII_ENCODATION] ||
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intCharCounts[constants_1.BASE256_ENCODATION] + 1 <
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this.min(intCharCounts[constants_1.C40_ENCODATION], intCharCounts[constants_1.TEXT_ENCODATION], intCharCounts[constants_1.X12_ENCODATION], intCharCounts[constants_1.EDIFACT_ENCODATION])) {
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return constants_1.BASE256_ENCODATION;
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}
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if (intCharCounts[constants_1.EDIFACT_ENCODATION] + 1 <
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this.min(intCharCounts[constants_1.BASE256_ENCODATION], intCharCounts[constants_1.C40_ENCODATION], intCharCounts[constants_1.TEXT_ENCODATION], intCharCounts[constants_1.X12_ENCODATION], intCharCounts[constants_1.ASCII_ENCODATION])) {
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return constants_1.EDIFACT_ENCODATION;
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}
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if (intCharCounts[constants_1.TEXT_ENCODATION] + 1 <
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this.min(intCharCounts[constants_1.BASE256_ENCODATION], intCharCounts[constants_1.C40_ENCODATION], intCharCounts[constants_1.EDIFACT_ENCODATION], intCharCounts[constants_1.X12_ENCODATION], intCharCounts[constants_1.ASCII_ENCODATION])) {
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return constants_1.TEXT_ENCODATION;
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}
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if (intCharCounts[constants_1.X12_ENCODATION] + 1 <
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this.min(intCharCounts[constants_1.BASE256_ENCODATION], intCharCounts[constants_1.C40_ENCODATION], intCharCounts[constants_1.EDIFACT_ENCODATION], intCharCounts[constants_1.TEXT_ENCODATION], intCharCounts[constants_1.ASCII_ENCODATION])) {
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return constants_1.X12_ENCODATION;
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}
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if (intCharCounts[constants_1.C40_ENCODATION] + 1 <
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this.min(intCharCounts[constants_1.ASCII_ENCODATION], intCharCounts[constants_1.BASE256_ENCODATION], intCharCounts[constants_1.EDIFACT_ENCODATION], intCharCounts[constants_1.TEXT_ENCODATION])) {
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if (intCharCounts[constants_1.C40_ENCODATION] < intCharCounts[constants_1.X12_ENCODATION]) {
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return constants_1.C40_ENCODATION;
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}
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if (intCharCounts[constants_1.C40_ENCODATION] === intCharCounts[constants_1.X12_ENCODATION]) {
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var p = startpos + charsProcessed + 1;
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while (p < msg.length) {
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var tc = msg.charCodeAt(p);
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if (this.isX12TermSep(tc)) {
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return constants_1.X12_ENCODATION;
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}
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if (!this.isNativeX12(tc)) {
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break;
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}
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p++;
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}
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return constants_1.C40_ENCODATION;
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}
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}
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}
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}
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};
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HighLevelEncoder.min = function (f1, f2, f3, f4, f5) {
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var val = Math.min(f1, Math.min(f2, Math.min(f3, f4)));
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if (f5 === undefined) {
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return val;
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}
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else {
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return Math.min(val, f5);
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}
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};
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HighLevelEncoder.findMinimums = function (charCounts, intCharCounts, min, mins) {
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for (var i = 0; i < 6; i++) {
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var current = (intCharCounts[i] = Math.ceil(charCounts[i]));
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if (min > current) {
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min = current;
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Arrays_1.default.fill(mins, 0);
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}
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if (min === current) {
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mins[i] = mins[i] + 1;
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}
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}
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return min;
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};
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HighLevelEncoder.getMinimumCount = function (mins) {
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var minCount = 0;
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for (var i = 0; i < 6; i++) {
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minCount += mins[i];
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}
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return minCount || 0;
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};
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HighLevelEncoder.isDigit = function (ch) {
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return ch >= '0'.charCodeAt(0) && ch <= '9'.charCodeAt(0);
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};
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HighLevelEncoder.isExtendedASCII = function (ch) {
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return ch >= 128 && ch <= 255;
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};
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HighLevelEncoder.isNativeC40 = function (ch) {
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return (ch === ' '.charCodeAt(0) ||
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(ch >= '0'.charCodeAt(0) && ch <= '9'.charCodeAt(0)) ||
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(ch >= 'A'.charCodeAt(0) && ch <= 'Z'.charCodeAt(0)));
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};
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HighLevelEncoder.isNativeText = function (ch) {
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return (ch === ' '.charCodeAt(0) ||
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(ch >= '0'.charCodeAt(0) && ch <= '9'.charCodeAt(0)) ||
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(ch >= 'a'.charCodeAt(0) && ch <= 'z'.charCodeAt(0)));
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};
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HighLevelEncoder.isNativeX12 = function (ch) {
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return (this.isX12TermSep(ch) ||
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ch === ' '.charCodeAt(0) ||
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(ch >= '0'.charCodeAt(0) && ch <= '9'.charCodeAt(0)) ||
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(ch >= 'A'.charCodeAt(0) && ch <= 'Z'.charCodeAt(0)));
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};
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HighLevelEncoder.isX12TermSep = function (ch) {
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return (ch === 13 || // CR
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ch === '*'.charCodeAt(0) ||
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ch === '>'.charCodeAt(0));
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};
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HighLevelEncoder.isNativeEDIFACT = function (ch) {
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return ch >= ' '.charCodeAt(0) && ch <= '^'.charCodeAt(0);
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};
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HighLevelEncoder.isSpecialB256 = function (ch) {
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return false; // TODO NOT IMPLEMENTED YET!!!
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};
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/**
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* Determines the number of consecutive characters that are encodable using numeric compaction.
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*
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* @param msg the message
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* @param startpos the start position within the message
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* @return the requested character count
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*/
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HighLevelEncoder.determineConsecutiveDigitCount = function (msg, startpos) {
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if (startpos === void 0) { startpos = 0; }
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var len = msg.length;
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var idx = startpos;
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while (idx < len && this.isDigit(msg.charCodeAt(idx))) {
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idx++;
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}
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return idx - startpos;
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};
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HighLevelEncoder.illegalCharacter = function (singleCharacter) {
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var hex = Integer_1.default.toHexString(singleCharacter.charCodeAt(0));
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hex = '0000'.substring(0, 4 - hex.length) + hex;
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throw new Error('Illegal character: ' + singleCharacter + ' (0x' + hex + ')');
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};
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return HighLevelEncoder;
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}());
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exports.default = HighLevelEncoder;
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