@ombori/epc-ean
Version:
EPC Tag Data Standard encoding and decoding library, written in javascript
140 lines (139 loc) • 5.5 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Sgcn96 = 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 Sgcn96 extends epc_1.Epc {
constructor(hexEpc) {
super(Sgcn96.TOTAL_BITS);
if (hexEpc) {
super.setFromHexString(hexEpc);
}
else {
super.set(Sgcn96.EPC_HEADER, epc_1.Epc.EPC_HEADER_OFFSET, epc_1.Epc.EPC_HEADER_END);
}
}
clone() {
return new Sgcn96().setFromBitArray(this);
}
getType() {
return type_1.Type.Sgcn96;
}
fromTagURI(uri) {
const value = uri.split(':');
try {
if (value[3] === this.TAG_URI) {
const data = value[4].split('.');
const result = new Sgcn96();
result.setFilter(parseInt(data[0]));
result.setPartition(12 - data[1].length);
result.setCompanyPrefix(parseInt(data[1]));
result.setCouponReference(parseInt(data[2]));
result.setSerial(parseInt(data[3]));
return result;
}
}
catch (e) {
// console.log(e)
}
throw new Error(`${uri} is not a known EPC tag URI scheme`);
}
toTagURI() {
// F.C.C.S (Filter, Company, Coupon, Serial)
let partition = Sgcn96.PARTITIONS[this.getPartition()];
return Sgcn96.TAG_URI_TEMPLATE(this.getFilter(), this.getSegmentString(partition.a), this.getSegmentString(partition.b), this.getSerial());
}
toIdURI() {
// C.C.S (Company, Coupon, Serial)
let partition = Sgcn96.PARTITIONS[this.getPartition()];
return Sgcn96.PID_URI_TEMPLATE(this.getSegmentString(partition.a), this.getSegmentString(partition.b), this.getSerial());
}
toBarcode() {
return this.getSgcn();
}
getTotalBits() {
return Sgcn96.TOTAL_BITS;
}
getHeader() {
return Sgcn96.EPC_HEADER;
}
getPartition() {
return super.get(Sgcn96.PARTITION_OFFSET, Sgcn96.PARTITION_END);
}
setPartition(value) {
if (value < 0 || value >= Sgcn96.PARTITIONS.length) {
throw new Error(`Value '${value}' out of range (min: 0, max: ${Sgcn96.PARTITIONS.length - 1})`);
}
super.set(value, Sgcn96.PARTITION_OFFSET, Sgcn96.PARTITION_END);
return this;
}
getSgcn() {
let partition = Sgcn96.PARTITIONS[this.getPartition()];
let companyPrefix = super.getSegmentString(partition.a);
let coupon = super.getSegmentString(partition.b);
let result = companyPrefix + coupon;
return result + utils_1.default.computeCheckDigit(result) + this.getSerial();
}
setSgcn(sgcn) {
let partition = Sgcn96.PARTITIONS[this.getPartition()];
super.setSegment(sgcn.substring(0, partition.a.digits), partition.a);
let tmp = partition.a.digits + partition.b.digits;
super.setSegment(sgcn.substring(partition.a.digits, tmp), partition.b);
this.setSerial(sgcn.substring(tmp + 1, sgcn.length));
return this;
}
getCompanyPrefix() {
return super.getSegment(Sgcn96.PARTITIONS[this.getPartition()].a);
}
setCompanyPrefix(value) {
super.setSegment(value, Sgcn96.PARTITIONS[this.getPartition()].a);
return this;
}
getCouponReference() {
return super.getSegment(Sgcn96.PARTITIONS[this.getPartition()].b);
}
setCouponReference(value) {
super.setSegment(value, Sgcn96.PARTITIONS[this.getPartition()].b);
return this;
}
getSerial() {
return super.get(Sgcn96.SERIAL_OFFSET, Sgcn96.SERIAL_END).toString().substring(1);
}
setSerial(value) {
if (value > Sgcn96.MAX_SERIAL)
throw new Error(`Value '${value}' out of range (min: 0, max: ${Sgcn96.MAX_SERIAL})`);
super.set(Number('1' + value), Sgcn96.SERIAL_OFFSET, Sgcn96.SERIAL_END);
return this;
}
}
exports.Sgcn96 = Sgcn96;
Sgcn96.EPC_HEADER = 0x3f;
Sgcn96.TOTAL_BITS = 96;
Sgcn96.PARTITION_OFFSET = 11;
Sgcn96.PARTITION_END = 14;
Sgcn96.SERIAL_OFFSET = 55;
Sgcn96.SERIAL_END = Sgcn96.TOTAL_BITS;
Sgcn96.SERIAL_BITS = 41;
Sgcn96.MAX_SERIAL = utils_1.default.getMaxValue(Sgcn96.SERIAL_BITS);
Sgcn96.TAG_URI = 'sgcn-96';
Sgcn96.TAG_URI_TEMPLATE = (filter, company, coupon, serial) => {
return `urn:epc:tag:${this.TAG_URI}:${filter}.${company}.${coupon}.${serial}`;
}; // F.C.C.S (Filter, Company, Coupon, Serial)
Sgcn96.PID_URI_TEMPLATE = (company, coupon, serial) => {
return `urn:epc:id:sgcn:${company}.${coupon}.${serial}`;
}; // C.C.S (Company, Coupon, Serial)
// Partition table columns: Company prefix, Item Reference
Sgcn96.PARTITIONS = [
new partition_1.Partition(Sgcn96.PARTITION_END, 40, 12, 1, 0),
new partition_1.Partition(Sgcn96.PARTITION_END, 37, 11, 4, 1),
new partition_1.Partition(Sgcn96.PARTITION_END, 34, 10, 7, 2),
new partition_1.Partition(Sgcn96.PARTITION_END, 30, 9, 11, 3),
new partition_1.Partition(Sgcn96.PARTITION_END, 27, 8, 14, 4),
new partition_1.Partition(Sgcn96.PARTITION_END, 24, 7, 17, 5),
new partition_1.Partition(Sgcn96.PARTITION_END, 20, 6, 21, 6),
]; // 6 20 06 21 6