"use strict";
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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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Object.defineProperty(exports, "__esModule", { value: true });
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exports.X12Encoder = void 0;
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var StringUtils_1 = require("../../common/StringUtils");
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var StringBuilder_1 = require("../../util/StringBuilder");
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var C40Encoder_1 = require("./C40Encoder");
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var HighLevelEncoder_1 = require("./HighLevelEncoder");
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var constants_1 = require("./constants");
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var X12Encoder = /** @class */ (function (_super) {
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__extends(X12Encoder, _super);
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function X12Encoder() {
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return _super !== null && _super.apply(this, arguments) || this;
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}
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X12Encoder.prototype.getEncodingMode = function () {
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return constants_1.X12_ENCODATION;
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};
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X12Encoder.prototype.encode = function (context) {
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// step C
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var buffer = new StringBuilder_1.default();
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while (context.hasMoreCharacters()) {
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var c = context.getCurrentChar();
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context.pos++;
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this.encodeChar(c, buffer);
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var count = buffer.length();
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if (count % 3 === 0) {
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this.writeNextTriplet(context, buffer);
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var newMode = HighLevelEncoder_1.default.lookAheadTest(context.getMessage(), context.pos, this.getEncodingMode());
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if (newMode !== this.getEncodingMode()) {
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// Return to ASCII encodation, which will actually handle latch to new mode
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context.signalEncoderChange(constants_1.ASCII_ENCODATION);
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break;
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}
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}
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}
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this.handleEOD(context, buffer);
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};
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X12Encoder.prototype.encodeChar = function (c, sb) {
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switch (c) {
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case 13: // CR (Carriage return)
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sb.append(0);
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break;
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case '*'.charCodeAt(0):
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sb.append(1);
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break;
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case '>'.charCodeAt(0):
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sb.append(2);
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break;
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case ' '.charCodeAt(0):
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sb.append(3);
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break;
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default:
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if (c >= '0'.charCodeAt(0) && c <= '9'.charCodeAt(0)) {
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sb.append(c - 48 + 4);
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}
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else if (c >= 'A'.charCodeAt(0) && c <= 'Z'.charCodeAt(0)) {
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sb.append(c - 65 + 14);
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}
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else {
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HighLevelEncoder_1.default.illegalCharacter(StringUtils_1.default.getCharAt(c));
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}
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break;
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}
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return 1;
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};
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X12Encoder.prototype.handleEOD = function (context, buffer) {
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context.updateSymbolInfo();
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var available = context.getSymbolInfo().getDataCapacity() - context.getCodewordCount();
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var count = buffer.length();
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context.pos -= count;
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if (context.getRemainingCharacters() > 1 ||
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available > 1 ||
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context.getRemainingCharacters() !== available) {
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context.writeCodeword(constants_1.X12_UNLATCH);
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}
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if (context.getNewEncoding() < 0) {
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context.signalEncoderChange(constants_1.ASCII_ENCODATION);
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}
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};
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return X12Encoder;
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}(C40Encoder_1.C40Encoder));
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exports.X12Encoder = X12Encoder;
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