Convert Japanese utilities to a module-like style
This commit is contained in:
toasted-nutbread
parent
7c5b64f9a4
commit
0f15cca2df
@ -17,7 +17,7 @@
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*/
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/* global
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* jpIsStringEntirelyKana
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* jp
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*/
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class AudioUriBuilder {
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@ -66,7 +66,7 @@ class AudioUriBuilder {
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let kana = definition.reading;
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let kanji = definition.expression;
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if (!kana && jpIsStringEntirelyKana(kanji)) {
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if (!kana && jp.isStringEntirelyKana(kanji)) {
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kana = kanji;
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kanji = null;
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}
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@ -32,9 +32,7 @@
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* dictEnabledSet
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* dictTermsSort
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* handlebarsRenderDynamic
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* jpConvertReading
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* jpDistributeFuriganaInflected
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* jpKatakanaToHiragana
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* jp
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* optionsLoad
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* optionsSave
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* profileConditionsDescriptor
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@ -402,13 +400,13 @@ class Backend {
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dictTermsSort(definitions);
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const {expression, reading} = definitions[0];
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const source = text.substring(0, sourceLength);
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for (const {text: text2, furigana} of jpDistributeFuriganaInflected(expression, reading, source)) {
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const reading2 = jpConvertReading(text2, furigana, options.parsing.readingMode);
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for (const {text: text2, furigana} of jp.distributeFuriganaInflected(expression, reading, source)) {
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const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode);
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term.push({text: text2, reading: reading2});
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}
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text = text.substring(source.length);
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} else {
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const reading = jpConvertReading(text[0], null, options.parsing.readingMode);
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const reading = jp.convertReading(text[0], null, options.parsing.readingMode);
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term.push({text: text[0], reading});
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text = text.substring(1);
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}
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@ -427,16 +425,16 @@ class Backend {
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for (const {expression, reading, source} of parsedLine) {
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const term = [];
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if (expression !== null && reading !== null) {
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for (const {text: text2, furigana} of jpDistributeFuriganaInflected(
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for (const {text: text2, furigana} of jp.distributeFuriganaInflected(
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expression,
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jpKatakanaToHiragana(reading),
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jp.convertKatakanaToHiragana(reading),
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source
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)) {
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const reading2 = jpConvertReading(text2, furigana, options.parsing.readingMode);
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const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode);
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term.push({text: text2, reading: reading2});
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}
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} else {
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const reading2 = jpConvertReading(source, null, options.parsing.readingMode);
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const reading2 = jp.convertReading(source, null, options.parsing.readingMode);
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term.push({text: source, reading: reading2});
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}
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result.push(term);
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@ -17,7 +17,7 @@
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*/
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/* global
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* jpIsStringPartiallyJapanese
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* jp
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*/
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class ClipboardMonitor extends EventDispatcher {
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@ -54,7 +54,7 @@ class ClipboardMonitor extends EventDispatcher {
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text !== this._previousText
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) {
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this._previousText = text;
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if (jpIsStringPartiallyJapanese(text)) {
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if (jp.isStringPartiallyJapanese(text)) {
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this.trigger('change', {text});
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}
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}
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@ -18,8 +18,7 @@
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/* global
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* Handlebars
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* jpDistributeFurigana
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* jpIsCodePointKanji
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* jp
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*/
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function handlebarsEscape(text) {
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@ -33,7 +32,7 @@ function handlebarsDumpObject(options) {
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function handlebarsFurigana(options) {
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const definition = options.fn(this);
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const segs = jpDistributeFurigana(definition.expression, definition.reading);
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const segs = jp.distributeFurigana(definition.expression, definition.reading);
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let result = '';
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for (const seg of segs) {
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@ -49,7 +48,7 @@ function handlebarsFurigana(options) {
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function handlebarsFuriganaPlain(options) {
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const definition = options.fn(this);
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const segs = jpDistributeFurigana(definition.expression, definition.reading);
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const segs = jp.distributeFurigana(definition.expression, definition.reading);
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let result = '';
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for (const seg of segs) {
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@ -66,7 +65,7 @@ function handlebarsFuriganaPlain(options) {
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function handlebarsKanjiLinks(options) {
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let result = '';
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for (const c of options.fn(this)) {
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if (jpIsCodePointKanji(c.codePointAt(0))) {
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if (jp.isCodePointKanji(c.codePointAt(0))) {
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result += `<a href="#" class="kanji-link">${c}</a>`;
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} else {
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result += c;
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@ -20,439 +20,461 @@
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* wanakana
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*/
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const JP_HALFWIDTH_KATAKANA_MAPPING = new Map([
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['ｦ', 'ヲヺ-'],
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['ｧ', 'ァ--'],
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['ｨ', 'ィ--'],
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['ｩ', 'ゥ--'],
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['ｪ', 'ェ--'],
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['ｫ', 'ォ--'],
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['ｬ', 'ャ--'],
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['ｭ', 'ュ--'],
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['ｮ', 'ョ--'],
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['ｯ', 'ッ--'],
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['ｰ', 'ー--'],
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['ｱ', 'ア--'],
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['ｲ', 'イ--'],
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['ｳ', 'ウヴ-'],
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['ｴ', 'エ--'],
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['ｵ', 'オ--'],
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['ｶ', 'カガ-'],
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['ｷ', 'キギ-'],
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['ｸ', 'クグ-'],
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['ｹ', 'ケゲ-'],
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['ｺ', 'コゴ-'],
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['ｻ', 'サザ-'],
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['ｼ', 'シジ-'],
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['ｽ', 'スズ-'],
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['ｾ', 'セゼ-'],
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['ｿ', 'ソゾ-'],
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['ﾀ', 'タダ-'],
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['ﾁ', 'チヂ-'],
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['ﾂ', 'ツヅ-'],
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['ﾃ', 'テデ-'],
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['ﾄ', 'トド-'],
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['ﾅ', 'ナ--'],
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['ﾆ', 'ニ--'],
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['ﾇ', 'ヌ--'],
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['ﾈ', 'ネ--'],
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['ﾉ', 'ノ--'],
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['ﾊ', 'ハバパ'],
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['ﾋ', 'ヒビピ'],
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['ﾌ', 'フブプ'],
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['ﾍ', 'ヘベペ'],
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['ﾎ', 'ホボポ'],
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['ﾏ', 'マ--'],
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['ﾐ', 'ミ--'],
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['ﾑ', 'ム--'],
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['ﾒ', 'メ--'],
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['ﾓ', 'モ--'],
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['ﾔ', 'ヤ--'],
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['ﾕ', 'ユ--'],
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['ﾖ', 'ヨ--'],
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['ﾗ', 'ラ--'],
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['ﾘ', 'リ--'],
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['ﾙ', 'ル--'],
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['ﾚ', 'レ--'],
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['ﾛ', 'ロ--'],
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['ﾜ', 'ワ--'],
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['ﾝ', 'ン--']
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]);
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const jp = (() => {
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const HALFWIDTH_KATAKANA_MAPPING = new Map([
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['ｦ', 'ヲヺ-'],
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['ｧ', 'ァ--'],
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['ｨ', 'ィ--'],
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['ｩ', 'ゥ--'],
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['ｪ', 'ェ--'],
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['ｫ', 'ォ--'],
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['ｬ', 'ャ--'],
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['ｭ', 'ュ--'],
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['ｮ', 'ョ--'],
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['ｯ', 'ッ--'],
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['ｰ', 'ー--'],
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['ｱ', 'ア--'],
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['ｲ', 'イ--'],
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['ｳ', 'ウヴ-'],
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['ｴ', 'エ--'],
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['ｵ', 'オ--'],
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['ｶ', 'カガ-'],
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['ｷ', 'キギ-'],
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['ｸ', 'クグ-'],
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['ｹ', 'ケゲ-'],
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['ｺ', 'コゴ-'],
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['ｻ', 'サザ-'],
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['ｼ', 'シジ-'],
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['ｽ', 'スズ-'],
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['ｾ', 'セゼ-'],
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['ｿ', 'ソゾ-'],
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['ﾀ', 'タダ-'],
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['ﾁ', 'チヂ-'],
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['ﾂ', 'ツヅ-'],
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['ﾃ', 'テデ-'],
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['ﾄ', 'トド-'],
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['ﾅ', 'ナ--'],
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['ﾆ', 'ニ--'],
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['ﾇ', 'ヌ--'],
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['ﾈ', 'ネ--'],
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['ﾉ', 'ノ--'],
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['ﾊ', 'ハバパ'],
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['ﾋ', 'ヒビピ'],
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['ﾌ', 'フブプ'],
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['ﾍ', 'ヘベペ'],
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['ﾎ', 'ホボポ'],
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['ﾏ', 'マ--'],
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['ﾐ', 'ミ--'],
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['ﾑ', 'ム--'],
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['ﾒ', 'メ--'],
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['ﾓ', 'モ--'],
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['ﾔ', 'ヤ--'],
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['ﾕ', 'ユ--'],
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['ﾖ', 'ヨ--'],
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['ﾗ', 'ラ--'],
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['ﾘ', 'リ--'],
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['ﾙ', 'ル--'],
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['ﾚ', 'レ--'],
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['ﾛ', 'ロ--'],
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['ﾜ', 'ワ--'],
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['ﾝ', 'ン--']
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]);
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const JP_HIRAGANA_RANGE = [0x3040, 0x309f];
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const JP_KATAKANA_RANGE = [0x30a0, 0x30ff];
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const JP_KANA_RANGES = [JP_HIRAGANA_RANGE, JP_KATAKANA_RANGE];
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const HIRAGANA_RANGE = [0x3040, 0x309f];
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const KATAKANA_RANGE = [0x30a0, 0x30ff];
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const KANA_RANGES = [HIRAGANA_RANGE, KATAKANA_RANGE];
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const JP_CJK_COMMON_RANGE = [0x4e00, 0x9fff];
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const JP_CJK_RARE_RANGE = [0x3400, 0x4dbf];
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const JP_CJK_RANGES = [JP_CJK_COMMON_RANGE, JP_CJK_RARE_RANGE];
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const CJK_COMMON_RANGE = [0x4e00, 0x9fff];
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const CJK_RARE_RANGE = [0x3400, 0x4dbf];
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const CJK_RANGES = [CJK_COMMON_RANGE, CJK_RARE_RANGE];
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const JP_ITERATION_MARK_CHAR_CODE = 0x3005;
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const ITERATION_MARK_CODE_POINT = 0x3005;
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// Japanese character ranges, roughly ordered in order of expected frequency
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const JP_JAPANESE_RANGES = [
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JP_HIRAGANA_RANGE,
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JP_KATAKANA_RANGE,
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// Japanese character ranges, roughly ordered in order of expected frequency
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const JAPANESE_RANGES = [
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HIRAGANA_RANGE,
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KATAKANA_RANGE,
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JP_CJK_COMMON_RANGE,
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JP_CJK_RARE_RANGE,
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CJK_COMMON_RANGE,
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CJK_RARE_RANGE,
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[0xff66, 0xff9f], // Halfwidth katakana
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[0xff66, 0xff9f], // Halfwidth katakana
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[0x30fb, 0x30fc], // Katakana punctuation
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[0xff61, 0xff65], // Kana punctuation
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[0x3000, 0x303f], // CJK punctuation
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[0x30fb, 0x30fc], // Katakana punctuation
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[0xff61, 0xff65], // Kana punctuation
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[0x3000, 0x303f], // CJK punctuation
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[0xff10, 0xff19], // Fullwidth numbers
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[0xff21, 0xff3a], // Fullwidth upper case Latin letters
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[0xff41, 0xff5a], // Fullwidth lower case Latin letters
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[0xff10, 0xff19], // Fullwidth numbers
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[0xff21, 0xff3a], // Fullwidth upper case Latin letters
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[0xff41, 0xff5a], // Fullwidth lower case Latin letters
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[0xff01, 0xff0f], // Fullwidth punctuation 1
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[0xff1a, 0xff1f], // Fullwidth punctuation 2
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[0xff3b, 0xff3f], // Fullwidth punctuation 3
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[0xff5b, 0xff60], // Fullwidth punctuation 4
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[0xffe0, 0xffee] // Currency markers
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];
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[0xff01, 0xff0f], // Fullwidth punctuation 1
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[0xff1a, 0xff1f], // Fullwidth punctuation 2
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[0xff3b, 0xff3f], // Fullwidth punctuation 3
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[0xff5b, 0xff60], // Fullwidth punctuation 4
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[0xffe0, 0xffee] // Currency markers
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];
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// Helper functions
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// Character code testing functions
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function _jpIsCodePointInRanges(codePoint, ranges) {
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for (const [min, max] of ranges) {
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if (codePoint >= min && codePoint <= max) {
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return true;
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}
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}
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return false;
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}
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// Character code testing functions
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function jpIsCodePointKanji(codePoint) {
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return _jpIsCodePointInRanges(codePoint, JP_CJK_RANGES);
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}
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function jpIsCodePointKana(codePoint) {
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return _jpIsCodePointInRanges(codePoint, JP_KANA_RANGES);
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}
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function jpIsCodePointJapanese(codePoint) {
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return _jpIsCodePointInRanges(codePoint, JP_JAPANESE_RANGES);
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}
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// String testing functions
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function jpIsStringEntirelyKana(str) {
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if (str.length === 0) { return false; }
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for (const c of str) {
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if (!jpIsCodePointKana(c.codePointAt(0))) {
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return false;
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}
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}
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return true;
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}
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function jpIsStringPartiallyJapanese(str) {
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if (str.length === 0) { return false; }
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for (const c of str) {
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if (jpIsCodePointJapanese(c.codePointAt(0))) {
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return true;
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}
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}
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return false;
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}
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// Conversion functions
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function jpKatakanaToHiragana(text) {
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let result = '';
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for (const c of text) {
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if (wanakana.isKatakana(c)) {
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result += wanakana.toHiragana(c);
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} else {
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result += c;
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}
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function isCodePointKanji(codePoint) {
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return isCodePointInRanges(codePoint, CJK_RANGES);
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}
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return result;
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}
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function jpHiraganaToKatakana(text) {
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let result = '';
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for (const c of text) {
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if (wanakana.isHiragana(c)) {
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result += wanakana.toKatakana(c);
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} else {
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result += c;
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}
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function isCodePointKana(codePoint) {
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return isCodePointInRanges(codePoint, KANA_RANGES);
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}
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return result;
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}
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function isCodePointJapanese(codePoint) {
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return isCodePointInRanges(codePoint, JAPANESE_RANGES);
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}
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function jpToRomaji(text) {
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return wanakana.toRomaji(text);
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}
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function isCodePointInRanges(codePoint, ranges) {
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for (const [min, max] of ranges) {
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if (codePoint >= min && codePoint <= max) {
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return true;
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}
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}
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return false;
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}
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function jpConvertReading(expressionFragment, readingFragment, readingMode) {
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switch (readingMode) {
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case 'hiragana':
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return jpKatakanaToHiragana(readingFragment || '');
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case 'katakana':
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return jpHiraganaToKatakana(readingFragment || '');
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case 'romaji':
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if (readingFragment) {
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return jpToRomaji(readingFragment);
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// String testing functions
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function isStringEntirelyKana(str) {
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if (str.length === 0) { return false; }
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for (const c of str) {
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if (!isCodePointKana(c.codePointAt(0))) {
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return false;
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}
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}
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return true;
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}
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function isStringPartiallyJapanese(str) {
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if (str.length === 0) { return false; }
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for (const c of str) {
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if (isCodePointJapanese(c.codePointAt(0))) {
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return true;
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}
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}
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return false;
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}
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// Conversion functions
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function convertKatakanaToHiragana(text) {
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let result = '';
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for (const c of text) {
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if (wanakana.isKatakana(c)) {
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result += wanakana.toHiragana(c);
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} else {
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if (jpIsStringEntirelyKana(expressionFragment)) {
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return jpToRomaji(expressionFragment);
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result += c;
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}
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}
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return result;
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}
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function convertHiraganaToKatakana(text) {
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let result = '';
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for (const c of text) {
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if (wanakana.isHiragana(c)) {
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result += wanakana.toKatakana(c);
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} else {
|
||||
result += c;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
function convertToRomaji(text) {
|
||||
return wanakana.toRomaji(text);
|
||||
}
|
||||
|
||||
function convertReading(expressionFragment, readingFragment, readingMode) {
|
||||
switch (readingMode) {
|
||||
case 'hiragana':
|
||||
return convertKatakanaToHiragana(readingFragment || '');
|
||||
case 'katakana':
|
||||
return convertHiraganaToKatakana(readingFragment || '');
|
||||
case 'romaji':
|
||||
if (readingFragment) {
|
||||
return convertToRomaji(readingFragment);
|
||||
} else {
|
||||
if (isStringEntirelyKana(expressionFragment)) {
|
||||
return convertToRomaji(expressionFragment);
|
||||
}
|
||||
}
|
||||
return readingFragment;
|
||||
case 'none':
|
||||
return null;
|
||||
default:
|
||||
return readingFragment;
|
||||
}
|
||||
}
|
||||
|
||||
function convertNumericTofullWidth(text) {
|
||||
let result = '';
|
||||
for (const char of text) {
|
||||
let c = char.codePointAt(0);
|
||||
if (c >= 0x30 && c <= 0x39) { // ['0', '9']
|
||||
c += 0xff10 - 0x30; // 0xff10 = '0' full width
|
||||
result += String.fromCodePoint(c);
|
||||
} else {
|
||||
result += char;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function convertHalfWidthKanaToFullWidth(text, sourceMapping) {
|
||||
let result = '';
|
||||
const hasSourceMapping = Array.isArray(sourceMapping);
|
||||
|
||||
// This function is safe to use charCodeAt instead of codePointAt, since all
|
||||
// the relevant characters are represented with a single UTF-16 character code.
|
||||
for (let i = 0, ii = text.length; i < ii; ++i) {
|
||||
const c = text[i];
|
||||
const mapping = HALFWIDTH_KATAKANA_MAPPING.get(c);
|
||||
if (typeof mapping !== 'string') {
|
||||
result += c;
|
||||
continue;
|
||||
}
|
||||
|
||||
let index = 0;
|
||||
switch (text.charCodeAt(i + 1)) {
|
||||
case 0xff9e: // dakuten
|
||||
index = 1;
|
||||
break;
|
||||
case 0xff9f: // handakuten
|
||||
index = 2;
|
||||
break;
|
||||
}
|
||||
|
||||
let c2 = mapping[index];
|
||||
if (index > 0) {
|
||||
if (c2 === '-') { // invalid
|
||||
index = 0;
|
||||
c2 = mapping[0];
|
||||
} else {
|
||||
++i;
|
||||
}
|
||||
}
|
||||
return readingFragment;
|
||||
case 'none':
|
||||
return null;
|
||||
default:
|
||||
return readingFragment;
|
||||
}
|
||||
}
|
||||
|
||||
function jpDistributeFurigana(expression, reading) {
|
||||
const fallback = [{furigana: reading, text: expression}];
|
||||
if (!reading) {
|
||||
if (hasSourceMapping && index > 0) {
|
||||
index = result.length;
|
||||
const v = sourceMapping.splice(index + 1, 1)[0];
|
||||
sourceMapping[index] += v;
|
||||
}
|
||||
result += c2;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
function convertAlphabeticToKana(text, sourceMapping) {
|
||||
let part = '';
|
||||
let result = '';
|
||||
const ii = text.length;
|
||||
|
||||
if (sourceMapping.length === ii) {
|
||||
sourceMapping.length = ii;
|
||||
sourceMapping.fill(1);
|
||||
}
|
||||
|
||||
for (const char of text) {
|
||||
// Note: 0x61 is the character code for 'a'
|
||||
let c = char.codePointAt(0);
|
||||
if (c >= 0x41 && c <= 0x5a) { // ['A', 'Z']
|
||||
c += (0x61 - 0x41);
|
||||
} else if (c >= 0x61 && c <= 0x7a) { // ['a', 'z']
|
||||
// NOP; c += (0x61 - 0x61);
|
||||
} else if (c >= 0xff21 && c <= 0xff3a) { // ['A', 'Z'] fullwidth
|
||||
c += (0x61 - 0xff21);
|
||||
} else if (c >= 0xff41 && c <= 0xff5a) { // ['a', 'z'] fullwidth
|
||||
c += (0x61 - 0xff41);
|
||||
} else if (c === 0x2d || c === 0xff0d) { // '-' or fullwidth dash
|
||||
c = 0x2d; // '-'
|
||||
} else {
|
||||
if (part.length > 0) {
|
||||
result += convertAlphabeticPartToKana(part, sourceMapping, result.length);
|
||||
part = '';
|
||||
}
|
||||
result += char;
|
||||
continue;
|
||||
}
|
||||
part += String.fromCodePoint(c);
|
||||
}
|
||||
|
||||
if (part.length > 0) {
|
||||
result += convertAlphabeticPartToKana(part, sourceMapping, result.length);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function convertAlphabeticPartToKana(text, sourceMapping, sourceMappingStart) {
|
||||
const result = wanakana.toHiragana(text);
|
||||
|
||||
// Generate source mapping
|
||||
if (Array.isArray(sourceMapping)) {
|
||||
if (typeof sourceMappingStart !== 'number') { sourceMappingStart = 0; }
|
||||
let i = 0;
|
||||
let resultPos = 0;
|
||||
const ii = text.length;
|
||||
while (i < ii) {
|
||||
// Find smallest matching substring
|
||||
let iNext = i + 1;
|
||||
let resultPosNext = result.length;
|
||||
while (iNext < ii) {
|
||||
const t = wanakana.toHiragana(text.substring(0, iNext));
|
||||
if (t === result.substring(0, t.length)) {
|
||||
resultPosNext = t.length;
|
||||
break;
|
||||
}
|
||||
++iNext;
|
||||
}
|
||||
|
||||
// Merge characters
|
||||
const removals = iNext - i - 1;
|
||||
if (removals > 0) {
|
||||
let sum = 0;
|
||||
const vs = sourceMapping.splice(sourceMappingStart + 1, removals);
|
||||
for (const v of vs) { sum += v; }
|
||||
sourceMapping[sourceMappingStart] += sum;
|
||||
}
|
||||
++sourceMappingStart;
|
||||
|
||||
// Empty elements
|
||||
const additions = resultPosNext - resultPos - 1;
|
||||
for (let j = 0; j < additions; ++j) {
|
||||
sourceMapping.splice(sourceMappingStart, 0, 0);
|
||||
++sourceMappingStart;
|
||||
}
|
||||
|
||||
i = iNext;
|
||||
resultPos = resultPosNext;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
// Furigana distribution
|
||||
|
||||
function distributeFurigana(expression, reading) {
|
||||
const fallback = [{furigana: reading, text: expression}];
|
||||
if (!reading) {
|
||||
return fallback;
|
||||
}
|
||||
|
||||
let isAmbiguous = false;
|
||||
const segmentize = (reading2, groups) => {
|
||||
if (groups.length === 0 || isAmbiguous) {
|
||||
return [];
|
||||
}
|
||||
|
||||
const group = groups[0];
|
||||
if (group.mode === 'kana') {
|
||||
if (convertKatakanaToHiragana(reading2).startsWith(convertKatakanaToHiragana(group.text))) {
|
||||
const readingLeft = reading2.substring(group.text.length);
|
||||
const segs = segmentize(readingLeft, groups.splice(1));
|
||||
if (segs) {
|
||||
return [{text: group.text}].concat(segs);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
let foundSegments = null;
|
||||
for (let i = reading2.length; i >= group.text.length; --i) {
|
||||
const readingUsed = reading2.substring(0, i);
|
||||
const readingLeft = reading2.substring(i);
|
||||
const segs = segmentize(readingLeft, groups.slice(1));
|
||||
if (segs) {
|
||||
if (foundSegments !== null) {
|
||||
// more than one way to segmentize the tail, mark as ambiguous
|
||||
isAmbiguous = true;
|
||||
return null;
|
||||
}
|
||||
foundSegments = [{text: group.text, furigana: readingUsed}].concat(segs);
|
||||
}
|
||||
// there is only one way to segmentize the last non-kana group
|
||||
if (groups.length === 1) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return foundSegments;
|
||||
}
|
||||
};
|
||||
|
||||
const groups = [];
|
||||
let modePrev = null;
|
||||
for (const c of expression) {
|
||||
const codePoint = c.codePointAt(0);
|
||||
const modeCurr = isCodePointKanji(codePoint) || codePoint === ITERATION_MARK_CODE_POINT ? 'kanji' : 'kana';
|
||||
if (modeCurr === modePrev) {
|
||||
groups[groups.length - 1].text += c;
|
||||
} else {
|
||||
groups.push({mode: modeCurr, text: c});
|
||||
modePrev = modeCurr;
|
||||
}
|
||||
}
|
||||
|
||||
const segments = segmentize(reading, groups);
|
||||
if (segments && !isAmbiguous) {
|
||||
return segments;
|
||||
}
|
||||
return fallback;
|
||||
}
|
||||
|
||||
let isAmbiguous = false;
|
||||
const segmentize = (reading2, groups) => {
|
||||
if (groups.length === 0 || isAmbiguous) {
|
||||
return [];
|
||||
function distributeFuriganaInflected(expression, reading, source) {
|
||||
const output = [];
|
||||
|
||||
let stemLength = 0;
|
||||
const shortest = Math.min(source.length, expression.length);
|
||||
const sourceHiragana = convertKatakanaToHiragana(source);
|
||||
const expressionHiragana = convertKatakanaToHiragana(expression);
|
||||
while (stemLength < shortest && sourceHiragana[stemLength] === expressionHiragana[stemLength]) {
|
||||
++stemLength;
|
||||
}
|
||||
const offset = source.length - stemLength;
|
||||
|
||||
const stemExpression = source.substring(0, source.length - offset);
|
||||
const stemReading = reading.substring(
|
||||
0,
|
||||
offset === 0 ? reading.length : reading.length - expression.length + stemLength
|
||||
);
|
||||
for (const segment of distributeFurigana(stemExpression, stemReading)) {
|
||||
output.push(segment);
|
||||
}
|
||||
|
||||
const group = groups[0];
|
||||
if (group.mode === 'kana') {
|
||||
if (jpKatakanaToHiragana(reading2).startsWith(jpKatakanaToHiragana(group.text))) {
|
||||
const readingLeft = reading2.substring(group.text.length);
|
||||
const segs = segmentize(readingLeft, groups.splice(1));
|
||||
if (segs) {
|
||||
return [{text: group.text}].concat(segs);
|
||||
}
|
||||
}
|
||||
} else {
|
||||
let foundSegments = null;
|
||||
for (let i = reading2.length; i >= group.text.length; --i) {
|
||||
const readingUsed = reading2.substring(0, i);
|
||||
const readingLeft = reading2.substring(i);
|
||||
const segs = segmentize(readingLeft, groups.slice(1));
|
||||
if (segs) {
|
||||
if (foundSegments !== null) {
|
||||
// more than one way to segmentize the tail, mark as ambiguous
|
||||
isAmbiguous = true;
|
||||
return null;
|
||||
}
|
||||
foundSegments = [{text: group.text, furigana: readingUsed}].concat(segs);
|
||||
}
|
||||
// there is only one way to segmentize the last non-kana group
|
||||
if (groups.length === 1) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
return foundSegments;
|
||||
if (stemLength !== source.length) {
|
||||
output.push({text: source.substring(stemLength)});
|
||||
}
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
|
||||
// Exports
|
||||
|
||||
return {
|
||||
isCodePointKanji,
|
||||
isCodePointKana,
|
||||
isCodePointJapanese,
|
||||
isStringEntirelyKana,
|
||||
isStringPartiallyJapanese,
|
||||
convertKatakanaToHiragana,
|
||||
convertHiraganaToKatakana,
|
||||
convertToRomaji,
|
||||
convertReading,
|
||||
convertNumericTofullWidth,
|
||||
convertHalfWidthKanaToFullWidth,
|
||||
convertAlphabeticToKana,
|
||||
distributeFurigana,
|
||||
distributeFuriganaInflected
|
||||
};
|
||||
|
||||
const groups = [];
|
||||
let modePrev = null;
|
||||
for (const c of expression) {
|
||||
const codePoint = c.codePointAt(0);
|
||||
const modeCurr = jpIsCodePointKanji(codePoint) || codePoint === JP_ITERATION_MARK_CHAR_CODE ? 'kanji' : 'kana';
|
||||
if (modeCurr === modePrev) {
|
||||
groups[groups.length - 1].text += c;
|
||||
} else {
|
||||
groups.push({mode: modeCurr, text: c});
|
||||
modePrev = modeCurr;
|
||||
}
|
||||
}
|
||||
|
||||
const segments = segmentize(reading, groups);
|
||||
if (segments && !isAmbiguous) {
|
||||
return segments;
|
||||
}
|
||||
return fallback;
|
||||
}
|
||||
|
||||
function jpDistributeFuriganaInflected(expression, reading, source) {
|
||||
const output = [];
|
||||
|
||||
let stemLength = 0;
|
||||
const shortest = Math.min(source.length, expression.length);
|
||||
const sourceHiragana = jpKatakanaToHiragana(source);
|
||||
const expressionHiragana = jpKatakanaToHiragana(expression);
|
||||
while (stemLength < shortest && sourceHiragana[stemLength] === expressionHiragana[stemLength]) {
|
||||
++stemLength;
|
||||
}
|
||||
const offset = source.length - stemLength;
|
||||
|
||||
const stemExpression = source.substring(0, source.length - offset);
|
||||
const stemReading = reading.substring(
|
||||
0,
|
||||
offset === 0 ? reading.length : reading.length - expression.length + stemLength
|
||||
);
|
||||
for (const segment of jpDistributeFurigana(stemExpression, stemReading)) {
|
||||
output.push(segment);
|
||||
}
|
||||
|
||||
if (stemLength !== source.length) {
|
||||
output.push({text: source.substring(stemLength)});
|
||||
}
|
||||
|
||||
return output;
|
||||
}
|
||||
|
||||
function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) {
|
||||
let result = '';
|
||||
const hasSourceMapping = Array.isArray(sourceMapping);
|
||||
|
||||
// This function is safe to use charCodeAt instead of codePointAt, since all
|
||||
// the relevant characters are represented with a single UTF-16 character code.
|
||||
for (let i = 0, ii = text.length; i < ii; ++i) {
|
||||
const c = text[i];
|
||||
const mapping = JP_HALFWIDTH_KATAKANA_MAPPING.get(c);
|
||||
if (typeof mapping !== 'string') {
|
||||
result += c;
|
||||
continue;
|
||||
}
|
||||
|
||||
let index = 0;
|
||||
switch (text.charCodeAt(i + 1)) {
|
||||
case 0xff9e: // dakuten
|
||||
index = 1;
|
||||
break;
|
||||
case 0xff9f: // handakuten
|
||||
index = 2;
|
||||
break;
|
||||
}
|
||||
|
||||
let c2 = mapping[index];
|
||||
if (index > 0) {
|
||||
if (c2 === '-') { // invalid
|
||||
index = 0;
|
||||
c2 = mapping[0];
|
||||
} else {
|
||||
++i;
|
||||
}
|
||||
}
|
||||
|
||||
if (hasSourceMapping && index > 0) {
|
||||
index = result.length;
|
||||
const v = sourceMapping.splice(index + 1, 1)[0];
|
||||
sourceMapping[index] += v;
|
||||
}
|
||||
result += c2;
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
function jpConvertNumericTofullWidth(text) {
|
||||
let result = '';
|
||||
for (const char of text) {
|
||||
let c = char.codePointAt(0);
|
||||
if (c >= 0x30 && c <= 0x39) { // ['0', '9']
|
||||
c += 0xff10 - 0x30; // 0xff10 = '0' full width
|
||||
result += String.fromCodePoint(c);
|
||||
} else {
|
||||
result += char;
|
||||
}
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function jpConvertAlphabeticToKana(text, sourceMapping) {
|
||||
let part = '';
|
||||
let result = '';
|
||||
const ii = text.length;
|
||||
|
||||
if (sourceMapping.length === ii) {
|
||||
sourceMapping.length = ii;
|
||||
sourceMapping.fill(1);
|
||||
}
|
||||
|
||||
for (const char of text) {
|
||||
// Note: 0x61 is the character code for 'a'
|
||||
let c = char.codePointAt(0);
|
||||
if (c >= 0x41 && c <= 0x5a) { // ['A', 'Z']
|
||||
c += (0x61 - 0x41);
|
||||
} else if (c >= 0x61 && c <= 0x7a) { // ['a', 'z']
|
||||
// NOP; c += (0x61 - 0x61);
|
||||
} else if (c >= 0xff21 && c <= 0xff3a) { // ['A', 'Z'] fullwidth
|
||||
c += (0x61 - 0xff21);
|
||||
} else if (c >= 0xff41 && c <= 0xff5a) { // ['a', 'z'] fullwidth
|
||||
c += (0x61 - 0xff41);
|
||||
} else if (c === 0x2d || c === 0xff0d) { // '-' or fullwidth dash
|
||||
c = 0x2d; // '-'
|
||||
} else {
|
||||
if (part.length > 0) {
|
||||
result += jpToHiragana(part, sourceMapping, result.length);
|
||||
part = '';
|
||||
}
|
||||
result += char;
|
||||
continue;
|
||||
}
|
||||
part += String.fromCodePoint(c);
|
||||
}
|
||||
|
||||
if (part.length > 0) {
|
||||
result += jpToHiragana(part, sourceMapping, result.length);
|
||||
}
|
||||
return result;
|
||||
}
|
||||
|
||||
function jpToHiragana(text, sourceMapping, sourceMappingStart) {
|
||||
const result = wanakana.toHiragana(text);
|
||||
|
||||
// Generate source mapping
|
||||
if (Array.isArray(sourceMapping)) {
|
||||
if (typeof sourceMappingStart !== 'number') { sourceMappingStart = 0; }
|
||||
let i = 0;
|
||||
let resultPos = 0;
|
||||
const ii = text.length;
|
||||
while (i < ii) {
|
||||
// Find smallest matching substring
|
||||
let iNext = i + 1;
|
||||
let resultPosNext = result.length;
|
||||
while (iNext < ii) {
|
||||
const t = wanakana.toHiragana(text.substring(0, iNext));
|
||||
if (t === result.substring(0, t.length)) {
|
||||
resultPosNext = t.length;
|
||||
break;
|
||||
}
|
||||
++iNext;
|
||||
}
|
||||
|
||||
// Merge characters
|
||||
const removals = iNext - i - 1;
|
||||
if (removals > 0) {
|
||||
let sum = 0;
|
||||
const vs = sourceMapping.splice(sourceMappingStart + 1, removals);
|
||||
for (const v of vs) { sum += v; }
|
||||
sourceMapping[sourceMappingStart] += sum;
|
||||
}
|
||||
++sourceMappingStart;
|
||||
|
||||
// Empty elements
|
||||
const additions = resultPosNext - resultPos - 1;
|
||||
for (let j = 0; j < additions; ++j) {
|
||||
sourceMapping.splice(sourceMappingStart, 0, 0);
|
||||
++sourceMappingStart;
|
||||
}
|
||||
|
||||
i = iNext;
|
||||
resultPos = resultPosNext;
|
||||
}
|
||||
}
|
||||
|
||||
return result;
|
||||
}
|
||||
})();
|
||||
|
||||
@ -29,13 +29,7 @@
|
||||
* dictTermsMergeBySequence
|
||||
* dictTermsSort
|
||||
* dictTermsUndupe
|
||||
* jpConvertAlphabeticToKana
|
||||
* jpConvertHalfWidthKanaToFullWidth
|
||||
* jpConvertNumericTofullWidth
|
||||
* jpDistributeFurigana
|
||||
* jpHiraganaToKatakana
|
||||
* jpIsCodePointJapanese
|
||||
* jpKatakanaToHiragana
|
||||
* jp
|
||||
* requestJson
|
||||
*/
|
||||
|
||||
@ -275,7 +269,7 @@ class Translator {
|
||||
const termTags = await this.expandTags(definition.termTags, definition.dictionary);
|
||||
|
||||
const {expression, reading} = definition;
|
||||
const furiganaSegments = jpDistributeFurigana(expression, reading);
|
||||
const furiganaSegments = jp.distributeFurigana(expression, reading);
|
||||
|
||||
definitions.push({
|
||||
source: deinflection.source,
|
||||
@ -376,20 +370,20 @@ class Translator {
|
||||
let sourceMapping = null;
|
||||
if (halfWidth) {
|
||||
if (sourceMapping === null) { sourceMapping = Translator.createTextSourceMapping(text2); }
|
||||
text2 = jpConvertHalfWidthKanaToFullWidth(text2, sourceMapping);
|
||||
text2 = jp.convertHalfWidthKanaToFullWidth(text2, sourceMapping);
|
||||
}
|
||||
if (numeric) {
|
||||
text2 = jpConvertNumericTofullWidth(text2);
|
||||
text2 = jp.convertNumericTofullWidth(text2);
|
||||
}
|
||||
if (alphabetic) {
|
||||
if (sourceMapping === null) { sourceMapping = Translator.createTextSourceMapping(text2); }
|
||||
text2 = jpConvertAlphabeticToKana(text2, sourceMapping);
|
||||
text2 = jp.convertAlphabeticToKana(text2, sourceMapping);
|
||||
}
|
||||
if (katakana) {
|
||||
text2 = jpHiraganaToKatakana(text2);
|
||||
text2 = jp.convertHiraganaToKatakana(text2);
|
||||
}
|
||||
if (hiragana) {
|
||||
text2 = jpKatakanaToHiragana(text2);
|
||||
text2 = jp.convertKatakanaToHiragana(text2);
|
||||
}
|
||||
|
||||
for (let i = text2.length; i > 0; --i) {
|
||||
@ -590,7 +584,7 @@ class Translator {
|
||||
}
|
||||
|
||||
static createExpression(expression, reading, termTags=null, termFrequency=null) {
|
||||
const furiganaSegments = jpDistributeFurigana(expression, reading);
|
||||
const furiganaSegments = jp.distributeFurigana(expression, reading);
|
||||
return {
|
||||
expression,
|
||||
reading,
|
||||
@ -639,7 +633,7 @@ class Translator {
|
||||
if (!options.scanning.alphanumeric) {
|
||||
let newText = '';
|
||||
for (const c of text) {
|
||||
if (!jpIsCodePointJapanese(c.codePointAt(0))) {
|
||||
if (!jp.isCodePointJapanese(c.codePointAt(0))) {
|
||||
break;
|
||||
}
|
||||
newText += c;
|
||||
|
||||
Loading…
Reference in New Issue
Block a user