mirror of
https://github.com/ksyasuda/SubMiner.git
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107 lines
2.5 KiB
JavaScript
107 lines
2.5 KiB
JavaScript
/*
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* Copyright (C) 2025 Yomitan Authors
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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import {basicTextProcessorOptions, removeAlphabeticDiacritics} from '../text-processors.js';
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/** @type {import('language').TextProcessor<boolean>} */
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export const convertLatinToGreek = {
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name: 'Convert latin characters to greek',
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description: 'a → α, A → Α, b → β, B → Β, etc.',
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options: basicTextProcessorOptions,
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process: (str, setting) => {
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return setting ? latinToGreek(str) : str;
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},
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};
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/**
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* @param {string} latin
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* @returns {string}
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*/
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export function latinToGreek(latin) {
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latin = removeAlphabeticDiacritics.process(latin, true);
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const singleMap = {
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a: 'α',
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b: 'β',
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g: 'γ',
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d: 'δ',
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e: 'ε',
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z: 'ζ',
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ē: 'η',
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i: 'ι',
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k: 'κ',
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l: 'λ',
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m: 'μ',
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n: 'ν',
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x: 'ξ',
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o: 'ο',
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p: 'π',
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r: 'ρ',
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s: 'σ',
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t: 'τ',
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u: 'υ',
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ō: 'ω',
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A: 'Α',
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B: 'Β',
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G: 'Γ',
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D: 'Δ',
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E: 'Ε',
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Z: 'Ζ',
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Ē: 'Η',
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I: 'Ι',
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K: 'Κ',
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L: 'Λ',
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M: 'Μ',
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N: 'Ν',
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X: 'Ξ',
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O: 'Ο',
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P: 'Π',
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R: 'Ρ',
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S: 'Σ',
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T: 'Τ',
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U: 'Υ',
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Ō: 'Ω',
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};
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const doubleMap = {
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th: 'θ',
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ph: 'φ',
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ch: 'χ',
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ps: 'ψ',
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Th: 'Θ',
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Ph: 'Φ',
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Ch: 'Χ',
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Ps: 'Ψ',
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};
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let result = latin;
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for (const [double, greek] of Object.entries(doubleMap)) {
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result = result.replace(new RegExp(double, 'g'), greek);
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}
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// Handle basic character replacements
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for (const [single, greek] of Object.entries(singleMap)) {
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result = result.replace(new RegExp(single, 'g'), greek);
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}
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// Handle final sigma
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result = result.replace(/σ$/, 'ς');
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return result;
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}
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