diff options
| -rw-r--r-- | ext/bg/js/translator.js | 56 | ||||
| -rw-r--r-- | ext/mixed/js/japanese.js | 201 | 
2 files changed, 252 insertions, 5 deletions
| diff --git a/ext/bg/js/translator.js b/ext/bg/js/translator.js index bb78d46d..88a5c6e8 100644 --- a/ext/bg/js/translator.js +++ b/ext/bg/js/translator.js @@ -240,6 +240,7 @@ class Translator {                  definitions.push({                      source: deinflection.source, +                    rawSource: deinflection.rawSource,                      reasons: deinflection.reasons,                      score: definition.score,                      id: definition.id, @@ -260,7 +261,7 @@ class Translator {          let length = 0;          for (const definition of definitions) { -            length = Math.max(length, definition.source.length); +            length = Math.max(length, definition.rawSource.length);          }          return [definitions, length]; @@ -274,6 +275,7 @@ class Translator {          return [{              source: text, +            rawSource: text,              term: text,              rules: 0,              definitions, @@ -320,27 +322,71 @@ class Translator {          return deinflections.filter((e) => e.definitions.length > 0);      } -    getAllDeinflections(text, _options) { +    getAllDeinflections(text, options) { +        const translationOptions = options.translation;          const textOptionVariantArray = [ -            [false, true] // convert katakana to hiragana +            Translator.getTextOptionEntryVariants(translationOptions.convertKatakanaToHiragana), +            Translator.getTextOptionEntryVariants(translationOptions.convertHalfWidthCharacters), +            Translator.getTextOptionEntryVariants(translationOptions.convertNumericCharacters), +            Translator.getTextOptionEntryVariants(translationOptions.convertAlphabeticCharacters)          ];          const deinflections = [];          const used = new Set(); -        for (const [hiragana] of Translator.getArrayVariants(textOptionVariantArray)) { +        for (const [hiragana, halfWidth, numeric, alphabetic] of Translator.getArrayVariants(textOptionVariantArray)) {              let text2 = text; +            let sourceMapping = null; +            if (halfWidth) { +                if (sourceMapping === null) { sourceMapping = Translator.createTextSourceMapping(text2); } +                text2 = jpConvertHalfWidthKanaToFullWidth(text2, sourceMapping); +            } +            if (numeric) { text2 = jpConvertNumericTofullWidth(text2); } +            if (alphabetic) { +                if (sourceMapping === null) { sourceMapping = Translator.createTextSourceMapping(text2); } +                text2 = jpConvertAlphabeticToKana(text2, sourceMapping); +            }              if (hiragana) { text2 = jpKatakanaToHiragana(text2); }              for (let i = text2.length; i > 0; --i) {                  const text2Substring = text2.substring(0, i);                  if (used.has(text2Substring)) { break; }                  used.add(text2Substring); -                deinflections.push(...this.deinflector.deinflect(text2Substring)); +                for (const deinflection of this.deinflector.deinflect(text2Substring)) { +                    deinflection.rawSource = Translator.getDeinflectionRawSource(text, i, sourceMapping); +                    deinflections.push(deinflection); +                }              }          }          return deinflections;      } +    static getTextOptionEntryVariants(value) { +        switch (value) { +            case 'true': return [true]; +            case 'variant': return [false, true]; +            default: return [false]; +        } +    } + +    static getDeinflectionRawSource(source, length, sourceMapping) { +        if (sourceMapping === null) { +            return source.substring(0, length); +        } + +        let result = ''; +        let index = 0; +        for (let i = 0; i < length; ++i) { +            const c = sourceMapping[i]; +            result += source.substring(index, index + c); +            index += c; +        } +        return result; +    } + +    static createTextSourceMapping(text) { +        return new Array(text.length).fill(1); +    } +      async findKanji(text, options) {          const dictionaries = dictEnabledSet(options);          const titles = Object.keys(dictionaries); diff --git a/ext/mixed/js/japanese.js b/ext/mixed/js/japanese.js index 23b2bd36..26349094 100644 --- a/ext/mixed/js/japanese.js +++ b/ext/mixed/js/japanese.js @@ -17,6 +17,65 @@   */ +const jpHalfWidthCharacterMapping = new Map([ +    ['ヲ', 'ヲヺ-'], +    ['ァ', 'ァ--'], +    ['ィ', 'ィ--'], +    ['ゥ', 'ゥ--'], +    ['ェ', 'ェ--'], +    ['ォ', 'ォ--'], +    ['ャ', 'ャ--'], +    ['ュ', 'ュ--'], +    ['ョ', 'ョ--'], +    ['ッ', 'ッ--'], +    ['ー', 'ー--'], +    ['ア', 'ア--'], +    ['イ', 'イ--'], +    ['ウ', 'ウヴ-'], +    ['エ', 'エ--'], +    ['オ', 'オ--'], +    ['カ', 'カガ-'], +    ['キ', 'キギ-'], +    ['ク', 'クグ-'], +    ['ケ', 'ケゲ-'], +    ['コ', 'コゴ-'], +    ['サ', 'サザ-'], +    ['シ', 'シジ-'], +    ['ス', 'スズ-'], +    ['セ', 'セゼ-'], +    ['ソ', 'ソゾ-'], +    ['タ', 'タダ-'], +    ['チ', 'チヂ-'], +    ['ツ', 'ツヅ-'], +    ['テ', 'テデ-'], +    ['ト', 'トド-'], +    ['ナ', 'ナ--'], +    ['ニ', 'ニ--'], +    ['ヌ', 'ヌ--'], +    ['ネ', 'ネ--'], +    ['ノ', 'ノ--'], +    ['ハ', 'ハバパ'], +    ['ヒ', 'ヒビピ'], +    ['フ', 'フブプ'], +    ['ヘ', 'ヘベペ'], +    ['ホ', 'ホボポ'], +    ['マ', 'マ--'], +    ['ミ', 'ミ--'], +    ['ム', 'ム--'], +    ['メ', 'メ--'], +    ['モ', 'モ--'], +    ['ヤ', 'ヤ--'], +    ['ユ', 'ユ--'], +    ['ヨ', 'ヨ--'], +    ['ラ', 'ラ--'], +    ['リ', 'リ--'], +    ['ル', 'ル--'], +    ['レ', 'レ--'], +    ['ロ', 'ロ--'], +    ['ワ', 'ワ--'], +    ['ン', 'ン--'] +]); +  function jpIsKanji(c) {      const code = c.charCodeAt(0);      return code >= 0x4e00 && code < 0x9fb0 || code >= 0x3400 && code < 0x4dc0; @@ -175,3 +234,145 @@ function jpDistributeFuriganaInflected(expression, reading, source) {      return output;  } + +function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) { +    let result = ''; +    const ii = text.length; +    const hasSourceMapping = Array.isArray(sourceMapping); + +    for (let i = 0; i < ii; ++i) { +        const c = text[i]; +        const mapping = jpHalfWidthCharacterMapping.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 (let i = 0, ii = text.length; i < ii; ++i) { +        let c = text.charCodeAt(i); +        if (c >= 0x30 && c <= 0x39) { // ['0', '9'] +            c += 0xff10 - 0x30; // 0xff10 = '0' full width +            result += String.fromCharCode(c); +        } else { +            result += text[i]; +        } +    } +    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 (let i = 0; i < ii; ++i) { +        let c = text.charCodeAt(i); +        if (c >= 0x41 && c <= 0x5a) { // ['A', 'Z'] +            c -= 0x41; +        } else if (c >= 0x61 && c <= 0x7a) { // ['a', 'z'] +            c -= 0x61; +        } else if (c >= 0xff21 && c <= 0xff3a) { // ['A', 'Z'] full width +            c -= 0xff21; +        } else if (c >= 0xff41 && c <= 0xff5a) { // ['a', 'z'] full width +            c -= 0xff41; +        } else { +            if (part.length > 0) { +                result += jpToHiragana(part, sourceMapping, result.length); +                part = ''; +            } +            result += text[i]; +            continue; +        } +        part += String.fromCharCode(c + 0x61); // + 'a' +    } + +    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; +} |