@ombori/epc-ean
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EPC Tag Data Standard encoding and decoding library, written in javascript
141 lines (140 loc) • 5.67 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Gdti174 = void 0;
const utils_1 = __importDefault(require("../utils/utils"));
const epc_1 = require("../epc");
const type_1 = require("../type");
const partition_1 = require("../partition");
class Gdti174 extends epc_1.Epc {
constructor(hexEpc) {
super(Gdti174.TOTAL_BITS);
if (hexEpc) {
super.setFromHexString(hexEpc);
}
else {
super.set(Gdti174.EPC_HEADER, epc_1.Epc.EPC_HEADER_OFFSET, epc_1.Epc.EPC_HEADER_END);
}
}
clone() {
return new Gdti174().setFromBitArray(this);
}
getType() {
return type_1.Type.Gdti174;
}
fromTagURI(uri) {
const value = uri.split(':');
try {
if (value[3] === this.TAG_URI) {
const data = value[4].split('.');
const result = new Gdti174();
result.setFilter(parseInt(data[0]));
result.setPartition(12 - data[1].length);
result.setCompanyPrefix(parseInt(data[1]));
result.setDocumentReference(parseInt(data[2]));
result.setSerial(data[3]);
return result;
}
}
catch (e) {
// console.log(e)
}
throw new Error(`${uri} is not a known EPC tag URI scheme`);
}
toTagURI() {
// F.C.D.S (Filter, Company, Document, Serial)
let partition = Gdti174.PARTITIONS[this.getPartition()];
return Gdti174.TAG_URI_TEMPLATE(this.getFilter(), this.getSegmentString(partition.a), this.getSegmentString(partition.b), this.getSerial());
}
toIdURI() {
// C.D.S (Company, Document, Serial)
let partition = Gdti174.PARTITIONS[this.getPartition()];
return Gdti174.PID_URI_TEMPLATE(this.getSegmentString(partition.a), this.getSegmentString(partition.b), this.getSerial());
}
toBarcode() {
return this.getGdti();
}
getTotalBits() {
return Gdti174.TOTAL_BITS;
}
getHeader() {
return Gdti174.EPC_HEADER;
}
getPartition() {
return super.get(Gdti174.PARTITION_OFFSET, Gdti174.PARTITION_END);
}
setPartition(value) {
if (value < 0 || value >= Gdti174.PARTITIONS.length) {
throw new Error(`Value '${value}' out of range (min: 0, max: ${Gdti174.PARTITIONS.length - 1})`);
}
super.set(value, Gdti174.PARTITION_OFFSET, Gdti174.PARTITION_END);
return this;
}
getGdti() {
let partition = Gdti174.PARTITIONS[this.getPartition()];
let companyPrefix = super.getSegmentString(partition.a);
let document = super.getSegmentString(partition.b);
let result = companyPrefix + document;
return result + utils_1.default.computeCheckDigit(result) + this.getSerial();
}
setGdti(gdti) {
let partition = Gdti174.PARTITIONS[this.getPartition()];
super.setSegment(gdti.substring(0, partition.a.digits), partition.a);
let tmp = partition.a.digits + partition.b.digits;
super.setSegment(gdti.substring(partition.a.digits, tmp), partition.b);
this.setSerial(gdti.substring(tmp + 1, gdti.length));
return this;
}
getCompanyPrefix() {
return super.getSegment(Gdti174.PARTITIONS[this.getPartition()].a);
}
setCompanyPrefix(value) {
super.setSegment(value, Gdti174.PARTITIONS[this.getPartition()].a);
return this;
}
getDocumentReference() {
return super.getSegment(Gdti174.PARTITIONS[this.getPartition()].b);
}
setDocumentReference(value) {
super.setSegment(value, Gdti174.PARTITIONS[this.getPartition()].b);
return this;
}
getSerial() {
return super.getString(Gdti174.SERIAL_OFFSET, Gdti174.SERIAL_END, Gdti174.CHAR_BITS);
}
setSerial(value) {
if (!value || value.length > Gdti174.MAX_SERIAL_LEN)
throw new Error(`Value '${value}' length out of range (max length: ${Gdti174.MAX_SERIAL_LEN})`);
super.setString(value, Gdti174.SERIAL_OFFSET, Gdti174.SERIAL_END, Gdti174.CHAR_BITS);
return this;
}
}
exports.Gdti174 = Gdti174;
Gdti174.EPC_HEADER = 0x3e;
Gdti174.TOTAL_BITS = 174;
Gdti174.PARTITION_OFFSET = 11;
Gdti174.PARTITION_END = 14;
Gdti174.SERIAL_OFFSET = 55;
Gdti174.SERIAL_END = Gdti174.TOTAL_BITS;
Gdti174.SERIAL_BITS = 119;
Gdti174.MAX_SERIAL_LEN = 17;
Gdti174.CHAR_BITS = (Gdti174.SERIAL_END - Gdti174.SERIAL_OFFSET) / Gdti174.MAX_SERIAL_LEN; // 7
Gdti174.TAG_URI = 'gdti-174';
Gdti174.TAG_URI_TEMPLATE = (filter, company, document, serial) => {
return `urn:epc:tag:${this.TAG_URI}:${filter}.${company}.${document}.${serial}`;
}; // F.C.D.S (Filter, Company, Document, Serial)
Gdti174.PID_URI_TEMPLATE = (company, document, serial) => {
return `urn:epc:id:gdti:${company}.${document}.${serial}`;
}; // C.D.S (Company, Document, Serial)
// Partition table columns: Company prefix, Item Reference
Gdti174.PARTITIONS = [
new partition_1.Partition(Gdti174.PARTITION_END, 40, 12, 1, 0),
new partition_1.Partition(Gdti174.PARTITION_END, 37, 11, 4, 1),
new partition_1.Partition(Gdti174.PARTITION_END, 34, 10, 7, 2),
new partition_1.Partition(Gdti174.PARTITION_END, 30, 9, 11, 3),
new partition_1.Partition(Gdti174.PARTITION_END, 27, 8, 14, 4),
new partition_1.Partition(Gdti174.PARTITION_END, 24, 7, 17, 5),
new partition_1.Partition(Gdti174.PARTITION_END, 20, 6, 21, 6),
]; // 6 20 06 21 6