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QRRSBlock.js5.4 KB · 299 lines
var QRErrorCorrectLevel = require('./QRErrorCorrectLevel'); function QRRSBlock(totalCount, dataCount) {	this.totalCount = totalCount;	this.dataCount  = dataCount;} QRRSBlock.RS_BLOCK_TABLE = [ 	// L	// M	// Q	// H 	// 1	[1, 26, 19],	[1, 26, 16],	[1, 26, 13],	[1, 26, 9],		// 2	[1, 44, 34],	[1, 44, 28],	[1, 44, 22],	[1, 44, 16], 	// 3	[1, 70, 55],	[1, 70, 44],	[2, 35, 17],	[2, 35, 13], 	// 4			[1, 100, 80],	[2, 50, 32],	[2, 50, 24],	[4, 25, 9],		// 5	[1, 134, 108],	[2, 67, 43],	[2, 33, 15, 2, 34, 16],	[2, 33, 11, 2, 34, 12],		// 6	[2, 86, 68],	[4, 43, 27],	[4, 43, 19],	[4, 43, 15],		// 7			[2, 98, 78],	[4, 49, 31],	[2, 32, 14, 4, 33, 15],	[4, 39, 13, 1, 40, 14],		// 8	[2, 121, 97],	[2, 60, 38, 2, 61, 39],	[4, 40, 18, 2, 41, 19],	[4, 40, 14, 2, 41, 15],		// 9	[2, 146, 116],	[3, 58, 36, 2, 59, 37],	[4, 36, 16, 4, 37, 17],	[4, 36, 12, 4, 37, 13],		// 10			[2, 86, 68, 2, 87, 69],	[4, 69, 43, 1, 70, 44],	[6, 43, 19, 2, 44, 20],	[6, 43, 15, 2, 44, 16], 	// 11	[4, 101, 81],	[1, 80, 50, 4, 81, 51],	[4, 50, 22, 4, 51, 23],	[3, 36, 12, 8, 37, 13], 	// 12	[2, 116, 92, 2, 117, 93],	[6, 58, 36, 2, 59, 37],	[4, 46, 20, 6, 47, 21],	[7, 42, 14, 4, 43, 15], 	// 13	[4, 133, 107],	[8, 59, 37, 1, 60, 38],	[8, 44, 20, 4, 45, 21],	[12, 33, 11, 4, 34, 12], 	// 14	[3, 145, 115, 1, 146, 116],	[4, 64, 40, 5, 65, 41],	[11, 36, 16, 5, 37, 17],	[11, 36, 12, 5, 37, 13], 	// 15	[5, 109, 87, 1, 110, 88],	[5, 65, 41, 5, 66, 42],	[5, 54, 24, 7, 55, 25],	[11, 36, 12], 	// 16	[5, 122, 98, 1, 123, 99],	[7, 73, 45, 3, 74, 46],	[15, 43, 19, 2, 44, 20],	[3, 45, 15, 13, 46, 16], 	// 17	[1, 135, 107, 5, 136, 108],	[10, 74, 46, 1, 75, 47],	[1, 50, 22, 15, 51, 23],	[2, 42, 14, 17, 43, 15], 	// 18	[5, 150, 120, 1, 151, 121],	[9, 69, 43, 4, 70, 44],	[17, 50, 22, 1, 51, 23],	[2, 42, 14, 19, 43, 15], 	// 19	[3, 141, 113, 4, 142, 114],	[3, 70, 44, 11, 71, 45],	[17, 47, 21, 4, 48, 22],	[9, 39, 13, 16, 40, 14], 	// 20	[3, 135, 107, 5, 136, 108],	[3, 67, 41, 13, 68, 42],	[15, 54, 24, 5, 55, 25],	[15, 43, 15, 10, 44, 16], 	// 21	[4, 144, 116, 4, 145, 117],	[17, 68, 42],	[17, 50, 22, 6, 51, 23],	[19, 46, 16, 6, 47, 17], 	// 22	[2, 139, 111, 7, 140, 112],	[17, 74, 46],	[7, 54, 24, 16, 55, 25],	[34, 37, 13], 	// 23	[4, 151, 121, 5, 152, 122],	[4, 75, 47, 14, 76, 48],	[11, 54, 24, 14, 55, 25],	[16, 45, 15, 14, 46, 16], 	// 24	[6, 147, 117, 4, 148, 118],	[6, 73, 45, 14, 74, 46],	[11, 54, 24, 16, 55, 25],	[30, 46, 16, 2, 47, 17], 	// 25	[8, 132, 106, 4, 133, 107],	[8, 75, 47, 13, 76, 48],	[7, 54, 24, 22, 55, 25],	[22, 45, 15, 13, 46, 16], 	// 26	[10, 142, 114, 2, 143, 115],	[19, 74, 46, 4, 75, 47],	[28, 50, 22, 6, 51, 23],	[33, 46, 16, 4, 47, 17], 	// 27	[8, 152, 122, 4, 153, 123],	[22, 73, 45, 3, 74, 46],	[8, 53, 23, 26, 54, 24],	[12, 45, 15, 28, 46, 16], 	// 28	[3, 147, 117, 10, 148, 118],	[3, 73, 45, 23, 74, 46],	[4, 54, 24, 31, 55, 25],	[11, 45, 15, 31, 46, 16], 	// 29	[7, 146, 116, 7, 147, 117],	[21, 73, 45, 7, 74, 46],	[1, 53, 23, 37, 54, 24],	[19, 45, 15, 26, 46, 16], 	// 30	[5, 145, 115, 10, 146, 116],	[19, 75, 47, 10, 76, 48],	[15, 54, 24, 25, 55, 25],	[23, 45, 15, 25, 46, 16], 	// 31	[13, 145, 115, 3, 146, 116],	[2, 74, 46, 29, 75, 47],	[42, 54, 24, 1, 55, 25],	[23, 45, 15, 28, 46, 16], 	// 32	[17, 145, 115],	[10, 74, 46, 23, 75, 47],	[10, 54, 24, 35, 55, 25],	[19, 45, 15, 35, 46, 16], 	// 33	[17, 145, 115, 1, 146, 116],	[14, 74, 46, 21, 75, 47],	[29, 54, 24, 19, 55, 25],	[11, 45, 15, 46, 46, 16], 	// 34	[13, 145, 115, 6, 146, 116],	[14, 74, 46, 23, 75, 47],	[44, 54, 24, 7, 55, 25],	[59, 46, 16, 1, 47, 17], 	// 35	[12, 151, 121, 7, 152, 122],	[12, 75, 47, 26, 76, 48],	[39, 54, 24, 14, 55, 25],	[22, 45, 15, 41, 46, 16], 	// 36	[6, 151, 121, 14, 152, 122],	[6, 75, 47, 34, 76, 48],	[46, 54, 24, 10, 55, 25],	[2, 45, 15, 64, 46, 16], 	// 37	[17, 152, 122, 4, 153, 123],	[29, 74, 46, 14, 75, 47],	[49, 54, 24, 10, 55, 25],	[24, 45, 15, 46, 46, 16], 	// 38	[4, 152, 122, 18, 153, 123],	[13, 74, 46, 32, 75, 47],	[48, 54, 24, 14, 55, 25],	[42, 45, 15, 32, 46, 16], 	// 39	[20, 147, 117, 4, 148, 118],	[40, 75, 47, 7, 76, 48],	[43, 54, 24, 22, 55, 25],	[10, 45, 15, 67, 46, 16], 	// 40	[19, 148, 118, 6, 149, 119],	[18, 75, 47, 31, 76, 48],	[34, 54, 24, 34, 55, 25],	[20, 45, 15, 61, 46, 16]]; QRRSBlock.getRSBlocks = function(typeNumber, errorCorrectLevel) {		var rsBlock = QRRSBlock.getRsBlockTable(typeNumber, errorCorrectLevel);		if (rsBlock === undefined) {		throw new Error("bad rs block @ typeNumber:" + typeNumber + "/errorCorrectLevel:" + errorCorrectLevel);	} 	var length = rsBlock.length / 3;		var list = [];		for (var i = 0; i < length; i++) { 		var count = rsBlock[i * 3 + 0];		var totalCount = rsBlock[i * 3 + 1];		var dataCount  = rsBlock[i * 3 + 2]; 		for (var j = 0; j < count; j++) {			list.push(new QRRSBlock(totalCount, dataCount) );			}	}		return list;}; QRRSBlock.getRsBlockTable = function(typeNumber, errorCorrectLevel) { 	switch(errorCorrectLevel) {	case QRErrorCorrectLevel.L :		return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 0];	case QRErrorCorrectLevel.M :		return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 1];	case QRErrorCorrectLevel.Q :		return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 2];	case QRErrorCorrectLevel.H :		return QRRSBlock.RS_BLOCK_TABLE[(typeNumber - 1) * 4 + 3];	default :		return undefined;	}}; module.exports = QRRSBlock;