42 lines
1.2 KiB
JavaScript
42 lines
1.2 KiB
JavaScript
const fs = require("fs");
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const readline = require("readline");
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const { Trie } = require("regexgen");
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if (!process.argv[2]) {
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console.error("Please pass pincode filename (unique only) as argument");
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process.exit(1);
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}
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const readInterface = readline.createInterface({
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input: fs.createReadStream(process.argv[2]),
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console: false,
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});
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regexes = [];
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// There are 3 Pincodes that start with 9, but we
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// ignore those as test offices.
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for (var i = 0; i < 8; i++) {
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regexes.push(new Trie());
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}
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readInterface.on("line", function (line) {
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if (line.length === 6) {
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// First character of the PIN
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let areaCode = parseInt(line.charAt(0), 10);
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if (areaCode < 9 && areaCode > 0) {
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let areaCodeIndex = areaCode - 1;
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regexes[areaCodeIndex].add(line.trim());
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}
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}
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});
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readInterface.on("close", function () {
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// We maintain two files, one with a single regex using (|) for each segment
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fs.writeFileSync("regex.txt", "(" + regexes.join('|') + ")");
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// And another with 8 regexes, one for each area code.
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// The latter is required for some languages, which have a regex character limit
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// (Currently PHP)
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fs.writeFileSync("regexes.txt", regexes.join("\n"));
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});
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