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2025-08-12 15:04:01 +08:00
parent df3f5f5269
commit 6708fb8eeb
544 changed files with 75169 additions and 17 deletions
@@ -0,0 +1,73 @@
+// Encoding documentation:
+// https://en.wikipedia.org/wiki/Code_93#Detailed_outline
+
+import { SYMBOLS, BINARIES, MULTI_SYMBOLS } from './constants';
+import Barcode from "../Barcode.js";
+
+class CODE93 extends Barcode {
+	constructor(data, options){
+		super(data, options);
+	}
+
+	valid(){
+		return /^[0-9A-Z\-. $/+%]+$/.test(this.data);
+	}
+
+	encode(){
+		const symbols = this.data
+			.split('')
+			.flatMap(c => MULTI_SYMBOLS[c] || c);
+		const encoded = symbols
+			.map(s => CODE93.getEncoding(s))
+			.join('');
+
+		// Compute checksum symbols
+		const csumC = CODE93.checksum(symbols, 20);
+		const csumK = CODE93.checksum(symbols.concat(csumC), 15);
+
+		return {
+			text: this.text,
+			data:
+				// Add the start bits
+				CODE93.getEncoding('\xff') +
+				// Add the encoded bits
+				encoded +
+				// Add the checksum
+				CODE93.getEncoding(csumC) + CODE93.getEncoding(csumK) +
+				// Add the stop bits
+				CODE93.getEncoding('\xff') +
+				// Add the termination bit
+				'1'
+		};
+	}
+
+	// Get the binary encoding of a symbol
+	static getEncoding(symbol) {
+		return BINARIES[CODE93.symbolValue(symbol)];
+	}
+
+	// Get the symbol for a symbol value
+	static getSymbol(symbolValue) {
+		return SYMBOLS[symbolValue];
+	}
+
+	// Get the symbol value of a symbol
+	static symbolValue(symbol) {
+		return SYMBOLS.indexOf(symbol);
+	}
+
+	// Calculate a checksum symbol
+	static checksum(symbols, maxWeight) {
+		const csum = symbols
+			.slice()
+			.reverse()
+			.reduce((sum, symbol, idx) => {
+				const weight = (idx % maxWeight) + 1;
+				return sum + (CODE93.symbolValue(symbol) * weight);
+			}, 0);
+
+		return CODE93.getSymbol(csum % 47);
+	}
+}
+
+export default CODE93;
@@ -0,0 +1,16 @@
+// Encoding documentation
+// https://en.wikipedia.org/wiki/Code_93#Full_ASCII_Code_93
+
+import CODE93 from './CODE93.js';
+
+class CODE93FullASCII extends CODE93 {
+	constructor(data, options) {
+		super(data, options);
+	}
+
+	valid() {
+		return /^[\x00-\x7f]+$/.test(this.data);
+	}
+}
+
+export default CODE93FullASCII;
@@ -0,0 +1,123 @@
+// The position in the array is the (checksum) value
+export const SYMBOLS = [
+	'0', '1', '2', '3',
+	'4', '5', '6', '7',
+	'8', '9', 'A', 'B',
+	'C', 'D', 'E', 'F',
+	'G', 'H', 'I', 'J',
+	'K', 'L', 'M', 'N',
+	'O', 'P', 'Q', 'R',
+	'S', 'T', 'U', 'V',
+	'W', 'X', 'Y', 'Z',
+	'-', '.', ' ', '$',
+	'/', '+', '%',
+	// Only used for csum and multi-symbols character encodings
+	'($)', '(%)', '(/)', '(+)',
+	// Start/Stop
+	'\xff',
+];
+
+// Order matches SYMBOLS array
+export const BINARIES = [
+	'100010100', '101001000', '101000100', '101000010',
+	'100101000', '100100100', '100100010', '101010000',
+	'100010010', '100001010', '110101000', '110100100',
+	'110100010', '110010100', '110010010', '110001010',
+	'101101000', '101100100', '101100010', '100110100',
+	'100011010', '101011000', '101001100', '101000110',
+	'100101100', '100010110', '110110100', '110110010',
+	'110101100', '110100110', '110010110', '110011010',
+	'101101100', '101100110', '100110110', '100111010',
+	'100101110', '111010100', '111010010', '111001010',
+	'101101110', '101110110', '110101110', '100100110',
+	'111011010', '111010110', '100110010', '101011110',
+];
+
+// Multi-symbol characters (Full ASCII Code 93)
+export const MULTI_SYMBOLS = {
+	'\x00': ['(%)', 'U'],
+	'\x01': ['($)', 'A'],
+	'\x02': ['($)', 'B'],
+	'\x03': ['($)', 'C'],
+	'\x04': ['($)', 'D'],
+	'\x05': ['($)', 'E'],
+	'\x06': ['($)', 'F'],
+	'\x07': ['($)', 'G'],
+	'\x08': ['($)', 'H'],
+	'\x09': ['($)', 'I'],
+	'\x0a': ['($)', 'J'],
+	'\x0b': ['($)', 'K'],
+	'\x0c': ['($)', 'L'],
+	'\x0d': ['($)', 'M'],
+	'\x0e': ['($)', 'N'],
+	'\x0f': ['($)', 'O'],
+	'\x10': ['($)', 'P'],
+	'\x11': ['($)', 'Q'],
+	'\x12': ['($)', 'R'],
+	'\x13': ['($)', 'S'],
+	'\x14': ['($)', 'T'],
+	'\x15': ['($)', 'U'],
+	'\x16': ['($)', 'V'],
+	'\x17': ['($)', 'W'],
+	'\x18': ['($)', 'X'],
+	'\x19': ['($)', 'Y'],
+	'\x1a': ['($)', 'Z'],
+	'\x1b': ['(%)', 'A'],
+	'\x1c': ['(%)', 'B'],
+	'\x1d': ['(%)', 'C'],
+	'\x1e': ['(%)', 'D'],
+	'\x1f': ['(%)', 'E'],
+	'!':    ['(/)', 'A'],
+	'"':    ['(/)', 'B'],
+	'#':    ['(/)', 'C'],
+	'&':    ['(/)', 'F'],
+	'\'':   ['(/)', 'G'],
+	'(':    ['(/)', 'H'],
+	')':    ['(/)', 'I'],
+	'*':    ['(/)', 'J'],
+	',':    ['(/)', 'L'],
+	':':    ['(/)', 'Z'],
+	';':    ['(%)', 'F'],
+	'<':    ['(%)', 'G'],
+	'=':    ['(%)', 'H'],
+	'>':    ['(%)', 'I'],
+	'?':    ['(%)', 'J'],
+	'@':    ['(%)', 'V'],
+	'[':    ['(%)', 'K'],
+	'\\':   ['(%)', 'L'],
+	']':    ['(%)', 'M'],
+	'^':    ['(%)', 'N'],
+	'_':    ['(%)', 'O'],
+	'`':    ['(%)', 'W'],
+	'a':    ['(+)', 'A'],
+	'b':    ['(+)', 'B'],
+	'c':    ['(+)', 'C'],
+	'd':    ['(+)', 'D'],
+	'e':    ['(+)', 'E'],
+	'f':    ['(+)', 'F'],
+	'g':    ['(+)', 'G'],
+	'h':    ['(+)', 'H'],
+	'i':    ['(+)', 'I'],
+	'j':    ['(+)', 'J'],
+	'k':    ['(+)', 'K'],
+	'l':    ['(+)', 'L'],
+	'm':    ['(+)', 'M'],
+	'n':    ['(+)', 'N'],
+	'o':    ['(+)', 'O'],
+	'p':    ['(+)', 'P'],
+	'q':    ['(+)', 'Q'],
+	'r':    ['(+)', 'R'],
+	's':    ['(+)', 'S'],
+	't':    ['(+)', 'T'],
+	'u':    ['(+)', 'U'],
+	'v':    ['(+)', 'V'],
+	'w':    ['(+)', 'W'],
+	'x':    ['(+)', 'X'],
+	'y':    ['(+)', 'Y'],
+	'z':    ['(+)', 'Z'],
+	'{':    ['(%)', 'P'],
+	'|':    ['(%)', 'Q'],
+	'}':    ['(%)', 'R'],
+	'~':    ['(%)', 'S'],
+	'\x7f': ['(%)', 'T'],
+};
@@ -0,0 +1,4 @@
+import CODE93 from './CODE93.js';
+import CODE93FullASCII from './CODE93FullASCII.js';
+
+export {CODE93, CODE93FullASCII};