@ombori/epc-ean
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EPC Tag Data Standard encoding and decoding library, written in javascript
128 lines (127 loc) • 4.84 kB
JavaScript
;
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.Sscc96 = 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 Sscc96 extends epc_1.Epc {
constructor(hexEpc) {
super(Sscc96.TOTAL_BITS);
if (hexEpc) {
super.setFromHexString(hexEpc);
}
else {
super.set(Sscc96.EPC_HEADER, epc_1.Epc.EPC_HEADER_OFFSET, epc_1.Epc.EPC_HEADER_END);
}
}
clone() {
return new Sscc96().setFromBitArray(this);
}
getType() {
return type_1.Type.SSCC96;
}
fromTagURI(uri) {
const value = uri.split(':');
try {
if (value[3] === this.TAG_URI) {
const data = value[4].split('.');
const result = new Sscc96();
result.setFilter(parseInt(data[0]));
result.setPartition(12 - data[1].length);
result.setCompanyPrefix(parseInt(data[1]));
result.setSerialReference(parseInt(data[2]));
return result;
}
}
catch (e) {
// console.log(e)
}
throw new Error(`${uri} is not a known EPC tag URI scheme`);
}
toTagURI() {
// F.C.S (Filter, Company, Serial)
let partition = Sscc96.PARTITIONS[this.getPartition()];
return Sscc96.TAG_URI_TEMPLATE(this.getFilter(), this.getSegmentString(partition.a), this.getSegmentString(partition.b));
}
toIdURI() {
// C.S (Company, Serial)
let partition = Sscc96.PARTITIONS[this.getPartition()];
return Sscc96.PID_URI_TEMPLATE(this.getSegmentString(partition.a), this.getSegmentString(partition.b));
}
toBarcode() {
return this.getSscc();
}
getTotalBits() {
return Sscc96.TOTAL_BITS;
}
getHeader() {
return Sscc96.EPC_HEADER;
}
getPartition() {
return super.get(Sscc96.PARTITION_OFFSET, Sscc96.PARTITION_END);
}
setPartition(value) {
if (value < 0 || value >= Sscc96.PARTITIONS.length) {
throw new Error(`Value '${value}' out of range (min: 0, max: ${Sscc96.PARTITIONS.length - 1})`);
}
super.set(value, Sscc96.PARTITION_OFFSET, Sscc96.PARTITION_END);
return this;
}
getSscc() {
let partition = Sscc96.PARTITIONS[this.getPartition()];
let item = super.getSegmentString(partition.b);
let result = item.substring(0, 1) + super.getSegmentString(partition.a) + item.substring(1);
return result + utils_1.default.computeCheckDigit(result);
}
setSscc(gtin) {
// ean
let partition = Sscc96.PARTITIONS[this.getPartition()];
super.setSegment(gtin.substring(1, partition.a.digits + 1), partition.a);
super.setSegment(Number(gtin.charAt(0) +
gtin.substring(partition.a.digits + 1, partition.a.digits + partition.b.digits)), partition.b);
return this;
}
getCompanyPrefix() {
return super.getSegment(Sscc96.PARTITIONS[this.getPartition()].a);
}
setCompanyPrefix(value) {
super.setSegment(value, Sscc96.PARTITIONS[this.getPartition()].a);
return this;
}
getSerialReference() {
return super.getSegment(Sscc96.PARTITIONS[this.getPartition()].b);
}
setSerialReference(value) {
super.setSegment(value, Sscc96.PARTITIONS[this.getPartition()].b);
return this;
}
getMaxSerialReference() {
return Sscc96.PARTITIONS[this.getPartition()].b.maxValue;
}
}
exports.Sscc96 = Sscc96;
Sscc96.EPC_HEADER = 0x31;
Sscc96.TOTAL_BITS = 96;
Sscc96.PARTITION_OFFSET = 11;
Sscc96.PARTITION_END = 14;
Sscc96.TAG_URI = 'sscc-96';
Sscc96.TAG_URI_TEMPLATE = (filter, company, serial) => {
return `urn:epc:tag:${this.TAG_URI}:${filter}.${company}.${serial}`;
}; // F.C.S (Filter, Company, Serial)
Sscc96.PID_URI_TEMPLATE = (company, serial) => {
return `urn:epc:id:sscc:${company}.${serial}`;
}; // C.S (Company, Serial)
// Partition table columns: Company prefix, Serial Reference
Sscc96.PARTITIONS = [
new partition_1.Partition(Sscc96.PARTITION_END, 40, 12, 18, 5),
new partition_1.Partition(Sscc96.PARTITION_END, 37, 11, 21, 6),
new partition_1.Partition(Sscc96.PARTITION_END, 34, 10, 24, 7),
new partition_1.Partition(Sscc96.PARTITION_END, 30, 9, 28, 8),
new partition_1.Partition(Sscc96.PARTITION_END, 27, 8, 31, 9),
new partition_1.Partition(Sscc96.PARTITION_END, 24, 7, 34, 10),
new partition_1.Partition(Sscc96.PARTITION_END, 20, 6, 38, 11),
]; // 6 20 06 38 11