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