72 lines
2.8 KiB
JavaScript
72 lines
2.8 KiB
JavaScript
// constants for internal usage
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export const SET_A = 0;
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export const SET_B = 1;
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export const SET_C = 2;
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// Special characters
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export const SHIFT = 98;
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export const START_A = 103;
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export const START_B = 104;
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export const START_C = 105;
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export const MODULO = 103;
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export const STOP = 106;
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export const FNC1 = 207;
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// Get set by start code
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export const SET_BY_CODE = {
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[START_A]: SET_A,
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[START_B]: SET_B,
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[START_C]: SET_C,
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};
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// Get next set by code
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export const SWAP = {
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101: SET_A,
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100: SET_B,
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99: SET_C,
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};
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export const A_START_CHAR = String.fromCharCode(208); // START_A + 105
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export const B_START_CHAR = String.fromCharCode(209); // START_B + 105
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export const C_START_CHAR = String.fromCharCode(210); // START_C + 105
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// 128A (Code Set A)
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// ASCII characters 00 to 95 (0–9, A–Z and control codes), special characters, and FNC 1–4
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export const A_CHARS = "[\x00-\x5F\xC8-\xCF]";
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// 128B (Code Set B)
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// ASCII characters 32 to 127 (0–9, A–Z, a–z), special characters, and FNC 1–4
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export const B_CHARS = "[\x20-\x7F\xC8-\xCF]";
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// 128C (Code Set C)
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// 00–99 (encodes two digits with a single code point) and FNC1
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export const C_CHARS = "(\xCF*[0-9]{2}\xCF*)";
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// CODE128 includes 107 symbols:
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// 103 data symbols, 3 start symbols (A, B and C), and 1 stop symbol (the last one)
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// Each symbol consist of three black bars (1) and three white spaces (0).
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export const BARS = [
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11011001100, 11001101100, 11001100110, 10010011000, 10010001100,
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10001001100, 10011001000, 10011000100, 10001100100, 11001001000,
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11001000100, 11000100100, 10110011100, 10011011100, 10011001110,
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10111001100, 10011101100, 10011100110, 11001110010, 11001011100,
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11001001110, 11011100100, 11001110100, 11101101110, 11101001100,
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11100101100, 11100100110, 11101100100, 11100110100, 11100110010,
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11011011000, 11011000110, 11000110110, 10100011000, 10001011000,
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10001000110, 10110001000, 10001101000, 10001100010, 11010001000,
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11000101000, 11000100010, 10110111000, 10110001110, 10001101110,
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10111011000, 10111000110, 10001110110, 11101110110, 11010001110,
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11000101110, 11011101000, 11011100010, 11011101110, 11101011000,
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11101000110, 11100010110, 11101101000, 11101100010, 11100011010,
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11101111010, 11001000010, 11110001010, 10100110000, 10100001100,
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10010110000, 10010000110, 10000101100, 10000100110, 10110010000,
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10110000100, 10011010000, 10011000010, 10000110100, 10000110010,
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11000010010, 11001010000, 11110111010, 11000010100, 10001111010,
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10100111100, 10010111100, 10010011110, 10111100100, 10011110100,
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10011110010, 11110100100, 11110010100, 11110010010, 11011011110,
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11011110110, 11110110110, 10101111000, 10100011110, 10001011110,
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10111101000, 10111100010, 11110101000, 11110100010, 10111011110,
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10111101110, 11101011110, 11110101110, 11010000100, 11010010000,
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11010011100, 1100011101011
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];
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