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Convert Japanese utilities to a module-like style

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This commit is contained in:
toasted-nutbread 2020-03-11 20:33:01 -04:00
parent 7c5b64f9a4
commit 0f15cca2df
6 changed files with 454 additions and 441 deletions
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4
ext/bg/js/audio-uri-builder.js
View File

@ -17,7 +17,7 @@
*/
/* global
* jpIsStringEntirelyKana
* jp
*/
class AudioUriBuilder {
@ -66,7 +66,7 @@ class AudioUriBuilder {
let kana = definition.reading;
let kanji = definition.expression;
if (!kana && jpIsStringEntirelyKana(kanji)) {
if (!kana && jp.isStringEntirelyKana(kanji)) {
kana = kanji;
kanji = null;
}

18
ext/bg/js/backend.js
View File

@ -32,9 +32,7 @@
* dictEnabledSet
* dictTermsSort
* handlebarsRenderDynamic
* jpConvertReading
* jpDistributeFuriganaInflected
* jpKatakanaToHiragana
* jp
* optionsLoad
* optionsSave
* profileConditionsDescriptor
@ -402,13 +400,13 @@ class Backend {
dictTermsSort(definitions);
const {expression, reading} = definitions[0];
const source = text.substring(0, sourceLength);
for (const {text: text2, furigana} of jpDistributeFuriganaInflected(expression, reading, source)) {
const reading2 = jpConvertReading(text2, furigana, options.parsing.readingMode);
for (const {text: text2, furigana} of jp.distributeFuriganaInflected(expression, reading, source)) {
const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode);
term.push({text: text2, reading: reading2});
}
text = text.substring(source.length);
} else {
const reading = jpConvertReading(text[0], null, options.parsing.readingMode);
const reading = jp.convertReading(text[0], null, options.parsing.readingMode);
term.push({text: text[0], reading});
text = text.substring(1);
}
@ -427,16 +425,16 @@ class Backend {
for (const {expression, reading, source} of parsedLine) {
const term = [];
if (expression !== null && reading !== null) {
for (const {text: text2, furigana} of jpDistributeFuriganaInflected(
for (const {text: text2, furigana} of jp.distributeFuriganaInflected(
expression,
jpKatakanaToHiragana(reading),
jp.convertKatakanaToHiragana(reading),
source
)) {
const reading2 = jpConvertReading(text2, furigana, options.parsing.readingMode);
const reading2 = jp.convertReading(text2, furigana, options.parsing.readingMode);
term.push({text: text2, reading: reading2});
}
} else {
const reading2 = jpConvertReading(source, null, options.parsing.readingMode);
const reading2 = jp.convertReading(source, null, options.parsing.readingMode);
term.push({text: source, reading: reading2});
}
result.push(term);

4
ext/bg/js/clipboard-monitor.js
View File

@ -17,7 +17,7 @@
*/
/* global
* jpIsStringPartiallyJapanese
* jp
*/
class ClipboardMonitor extends EventDispatcher {
@ -54,7 +54,7 @@ class ClipboardMonitor extends EventDispatcher {
text !== this._previousText
) {
this._previousText = text;
if (jpIsStringPartiallyJapanese(text)) {
if (jp.isStringPartiallyJapanese(text)) {
this.trigger('change', {text});
}
}

9
ext/bg/js/handlebars.js
View File

@ -18,8 +18,7 @@
/* global
* Handlebars
* jpDistributeFurigana
* jpIsCodePointKanji
* jp
*/
function handlebarsEscape(text) {
@ -33,7 +32,7 @@ function handlebarsDumpObject(options) {
function handlebarsFurigana(options) {
const definition = options.fn(this);
const segs = jpDistributeFurigana(definition.expression, definition.reading);
const segs = jp.distributeFurigana(definition.expression, definition.reading);
let result = '';
for (const seg of segs) {
@ -49,7 +48,7 @@ function handlebarsFurigana(options) {
function handlebarsFuriganaPlain(options) {
const definition = options.fn(this);
const segs = jpDistributeFurigana(definition.expression, definition.reading);
const segs = jp.distributeFurigana(definition.expression, definition.reading);
let result = '';
for (const seg of segs) {
@ -66,7 +65,7 @@ function handlebarsFuriganaPlain(options) {
function handlebarsKanjiLinks(options) {
let result = '';
for (const c of options.fn(this)) {
if (jpIsCodePointKanji(c.codePointAt(0))) {
if (jp.isCodePointKanji(c.codePointAt(0))) {
result += `<a href="#" class="kanji-link">${c}</a>`;
} else {
result += c;

322
ext/bg/js/japanese.js
View File

@ -20,7 +20,8 @@
* wanakana
*/
const JP_HALFWIDTH_KATAKANA_MAPPING = new Map([
const jp = (() => {
const HALFWIDTH_KATAKANA_MAPPING = new Map([
['ｦ', 'ヲヺ-'],
['ｧ', 'ァ--'],
['ｨ', 'ィ--'],
@ -79,23 +80,23 @@ const JP_HALFWIDTH_KATAKANA_MAPPING = new Map([
['ﾝ', 'ン--']
]);
const JP_HIRAGANA_RANGE = [0x3040, 0x309f];
const JP_KATAKANA_RANGE = [0x30a0, 0x30ff];
const JP_KANA_RANGES = [JP_HIRAGANA_RANGE, JP_KATAKANA_RANGE];
const HIRAGANA_RANGE = [0x3040, 0x309f];
const KATAKANA_RANGE = [0x30a0, 0x30ff];
const KANA_RANGES = [HIRAGANA_RANGE, KATAKANA_RANGE];
const JP_CJK_COMMON_RANGE = [0x4e00, 0x9fff];
const JP_CJK_RARE_RANGE = [0x3400, 0x4dbf];
const JP_CJK_RANGES = [JP_CJK_COMMON_RANGE, JP_CJK_RARE_RANGE];
const CJK_COMMON_RANGE = [0x4e00, 0x9fff];
const CJK_RARE_RANGE = [0x3400, 0x4dbf];
const CJK_RANGES = [CJK_COMMON_RANGE, CJK_RARE_RANGE];
const JP_ITERATION_MARK_CHAR_CODE = 0x3005;
const ITERATION_MARK_CODE_POINT = 0x3005;
// Japanese character ranges, roughly ordered in order of expected frequency
const JP_JAPANESE_RANGES = [
JP_HIRAGANA_RANGE,
JP_KATAKANA_RANGE,
const JAPANESE_RANGES = [
HIRAGANA_RANGE,
KATAKANA_RANGE,
JP_CJK_COMMON_RANGE,
JP_CJK_RARE_RANGE,
CJK_COMMON_RANGE,
CJK_RARE_RANGE,
[0xff66, 0xff9f], // Halfwidth katakana
@ -115,9 +116,21 @@ const JP_JAPANESE_RANGES = [
];
// Helper functions
// Character code testing functions
function _jpIsCodePointInRanges(codePoint, ranges) {
function isCodePointKanji(codePoint) {
return isCodePointInRanges(codePoint, CJK_RANGES);
}
function isCodePointKana(codePoint) {
return isCodePointInRanges(codePoint, KANA_RANGES);
}
function isCodePointJapanese(codePoint) {
return isCodePointInRanges(codePoint, JAPANESE_RANGES);
}
function isCodePointInRanges(codePoint, ranges) {
for (const [min, max] of ranges) {
if (codePoint >= min && codePoint <= max) {
return true;
@ -127,37 +140,22 @@ function _jpIsCodePointInRanges(codePoint, ranges) {
}
// Character code testing functions
function jpIsCodePointKanji(codePoint) {
return _jpIsCodePointInRanges(codePoint, JP_CJK_RANGES);
}
function jpIsCodePointKana(codePoint) {
return _jpIsCodePointInRanges(codePoint, JP_KANA_RANGES);
}
function jpIsCodePointJapanese(codePoint) {
return _jpIsCodePointInRanges(codePoint, JP_JAPANESE_RANGES);
}
// String testing functions
function jpIsStringEntirelyKana(str) {
function isStringEntirelyKana(str) {
if (str.length === 0) { return false; }
for (const c of str) {
if (!jpIsCodePointKana(c.codePointAt(0))) {
if (!isCodePointKana(c.codePointAt(0))) {
return false;
}
}
return true;
}
function jpIsStringPartiallyJapanese(str) {
function isStringPartiallyJapanese(str) {
if (str.length === 0) { return false; }
for (const c of str) {
if (jpIsCodePointJapanese(c.codePointAt(0))) {
if (isCodePointJapanese(c.codePointAt(0))) {
return true;
}
}
@ -167,7 +165,7 @@ function jpIsStringPartiallyJapanese(str) {
// Conversion functions
function jpKatakanaToHiragana(text) {
function convertKatakanaToHiragana(text) {
let result = '';
for (const c of text) {
if (wanakana.isKatakana(c)) {
@ -180,7 +178,7 @@ function jpKatakanaToHiragana(text) {
return result;
}
function jpHiraganaToKatakana(text) {
function convertHiraganaToKatakana(text) {
let result = '';
for (const c of text) {
if (wanakana.isHiragana(c)) {
@ -193,22 +191,22 @@ function jpHiraganaToKatakana(text) {
return result;
}
function jpToRomaji(text) {
function convertToRomaji(text) {
return wanakana.toRomaji(text);
}
function jpConvertReading(expressionFragment, readingFragment, readingMode) {
function convertReading(expressionFragment, readingFragment, readingMode) {
switch (readingMode) {
case 'hiragana':
return jpKatakanaToHiragana(readingFragment || '');
return convertKatakanaToHiragana(readingFragment || '');
case 'katakana':
return jpHiraganaToKatakana(readingFragment || '');
return convertHiraganaToKatakana(readingFragment || '');
case 'romaji':
if (readingFragment) {
return jpToRomaji(readingFragment);
return convertToRomaji(readingFragment);
} else {
if (jpIsStringEntirelyKana(expressionFragment)) {
return jpToRomaji(expressionFragment);
if (isStringEntirelyKana(expressionFragment)) {
return convertToRomaji(expressionFragment);
}
}
return readingFragment;
@ -219,99 +217,21 @@ function jpConvertReading(expressionFragment, readingFragment, readingMode) {
}
}
function jpDistributeFurigana(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 (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);
}
}
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 {
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;
result += char;
}
}
return foundSegments;
}
};
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;
}
return result;
}
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) {
function convertHalfWidthKanaToFullWidth(text, sourceMapping) {
let result = '';
const hasSourceMapping = Array.isArray(sourceMapping);
@ -319,7 +239,7 @@ function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) {
// 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);
const mapping = HALFWIDTH_KATAKANA_MAPPING.get(c);
if (typeof mapping !== 'string') {
result += c;
continue;
@ -356,21 +276,7 @@ function jpConvertHalfWidthKanaToFullWidth(text, sourceMapping) {
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) {
function convertAlphabeticToKana(text, sourceMapping) {
let part = '';
let result = '';
const ii = text.length;
@ -395,7 +301,7 @@ function jpConvertAlphabeticToKana(text, sourceMapping) {
c = 0x2d; // '-'
} else {
if (part.length > 0) {
result += jpToHiragana(part, sourceMapping, result.length);
result += convertAlphabeticPartToKana(part, sourceMapping, result.length);
part = '';
}
result += char;
@ -405,12 +311,12 @@ function jpConvertAlphabeticToKana(text, sourceMapping) {
}
if (part.length > 0) {
result += jpToHiragana(part, sourceMapping, result.length);
result += convertAlphabeticPartToKana(part, sourceMapping, result.length);
}
return result;
}
function jpToHiragana(text, sourceMapping, sourceMappingStart) {
function convertAlphabeticPartToKana(text, sourceMapping, sourceMappingStart) {
const result = wanakana.toHiragana(text);
// Generate source mapping
@ -456,3 +362,119 @@ function jpToHiragana(text, sourceMapping, sourceMappingStart) {
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;
}
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);
}
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
};
})();

24
ext/bg/js/translator.js
View File

@ -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;