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19 lines
498 B
JavaScript
19 lines
498 B
JavaScript
const Parser = require('binary-parser').Parser;
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module.exports = new Parser()
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.uint16le('id')
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.uint16le('data_len', {
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formatter: (item) => {
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const binary = item.toString(2).padStart(16, '0');
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return Number.parseInt(binary.substring(1), 2);
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},
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})
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.seek(-2)
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.uint16le('has_subchunks', {
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formatter: (item) => {
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const binary = item.toString(2).padStart(16, '0');
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return binary.charAt(0) === '1';
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},
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})
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.buffer('chunk_data', { readUntil: 'eof' });
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