31 lines
1.0 KiB
TypeScript
31 lines
1.0 KiB
TypeScript
import { assertArgument } from "../utils/index.js";
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import { decodeBits } from "./bit-reader.js";
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import { decodeOwl } from "./decode-owl.js";
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export function decodeOwlA(data: string, accents: string): Array<string> {
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let words = decodeOwl(data).join(",");
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// Inject the accents
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accents.split(/,/g).forEach((accent) => {
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const match = accent.match(/^([a-z]*)([0-9]+)([0-9])(.*)$/);
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assertArgument(match !== null, "internal error parsing accents", "accents", accents);
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let posOffset = 0;
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const positions = decodeBits(parseInt(match[3]), match[4]);
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const charCode = parseInt(match[2]);
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const regex = new RegExp(`([${ match[1] }])`, "g");
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words = words.replace(regex, (all, letter) => {
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const rem = --positions[posOffset];
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if (rem === 0) {
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letter = String.fromCharCode(letter.charCodeAt(0), charCode);
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posOffset++;
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}
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return letter;
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});
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});
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return words.split(",");
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}
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