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-rw-r--r--ext/js/display/display-generator.js21
-rw-r--r--ext/js/language/japanese-util.js26
2 files changed, 46 insertions, 1 deletions
diff --git a/ext/js/display/display-generator.js b/ext/js/display/display-generator.js
index 32059d86..91dc0862 100644
--- a/ext/js/display/display-generator.js
+++ b/ext/js/display/display-generator.js
@@ -229,7 +229,7 @@ class DisplayGenerator {
// Private
_createTermExpression(details) {
- const {termFrequency, furiganaSegments, expression, reading, termTags} = details;
+ const {termFrequency, furiganaSegments, expression, reading, termTags, pitches} = details;
const searchQueries = [];
if (expression) { searchQueries.push(expression); }
@@ -243,6 +243,11 @@ class DisplayGenerator {
node.dataset.readingIsSame = `${!reading || reading === expression}`;
node.dataset.frequency = termFrequency;
+ const pitchAccentCategories = this._getPitchAccentCategories(pitches);
+ if (pitchAccentCategories !== null) {
+ node.dataset.pitchAccentCategories = pitchAccentCategories;
+ }
+
this._setTextContent(node.querySelector('.expression-reading'), reading.length > 0 ? reading : expression);
this._appendFurigana(expressionContainer, furiganaSegments, this._appendKanjiLinks.bind(this));
@@ -716,4 +721,18 @@ class DisplayGenerator {
node.lang = 'ja';
}
}
+
+ _getPitchAccentCategories(pitches) {
+ if (pitches.length === 0) { return null; }
+ const categories = [];
+ for (const {reading, pitches: pitches2} of pitches) {
+ for (const {position} of pitches2) {
+ const category = this._japaneseUtil.getPitchCategory(reading, position, false);
+ if (category !== null) {
+ categories.push(category);
+ }
+ }
+ }
+ return categories.length > 0 ? categories.join(' ') : null;
+ }
}
diff --git a/ext/js/language/japanese-util.js b/ext/js/language/japanese-util.js
index e47cdf55..4d317396 100644
--- a/ext/js/language/japanese-util.js
+++ b/ext/js/language/japanese-util.js
@@ -232,6 +232,22 @@ const JapaneseUtil = (() => {
}
}
+ getPitchCategory(text, pitchAccentPosition, isVerbOrAdjective) {
+ if (pitchAccentPosition === 0) {
+ return 'heiban';
+ }
+ if (isVerbOrAdjective) {
+ return pitchAccentPosition > 0 ? 'kifuku' : null;
+ }
+ if (pitchAccentPosition === 1) {
+ return 'atamadaka';
+ }
+ if (pitchAccentPosition > 1) {
+ return pitchAccentPosition >= this.getKanaMoraCount(text) ? 'odaka' : 'nakadaka';
+ }
+ return null;
+ }
+
getKanaMorae(text) {
const morae = [];
let i;
@@ -245,6 +261,16 @@ const JapaneseUtil = (() => {
return morae;
}
+ getKanaMoraCount(text) {
+ let moraCount = 0;
+ for (const c of text) {
+ if (!(SMALL_KANA_SET.has(c) && moraCount > 0)) {
+ ++moraCount;
+ }
+ }
+ return moraCount;
+ }
+
// Conversion functions
convertToKana(text) {