From cc8221c6ea686521261e2ac562d3d5a6d0b9913a Mon Sep 17 00:00:00 2001
From: siikamiika <siikamiika@users.noreply.github.com>
Date: Wed, 13 Nov 2019 20:24:11 +0200
Subject: add reading modes

---
 ext/bg/js/api.js         | 14 ++++++++------
 ext/bg/js/options.js     |  3 ++-
 ext/bg/js/settings.js    |  2 ++
 ext/bg/settings.html     |  9 +++++++++
 ext/mixed/js/japanese.js | 37 +++++++++++++++++++++++++++++++++++++
 5 files changed, 58 insertions(+), 7 deletions(-)

(limited to 'ext')

diff --git a/ext/bg/js/api.js b/ext/bg/js/api.js
index bc9dfba1..228447c3 100644
--- a/ext/bg/js/api.js
+++ b/ext/bg/js/api.js
@@ -92,12 +92,13 @@ async function apiTextParse(text, optionsContext) {
             const {expression, reading} = definitions[0];
             const source = text.slice(0, sourceLength);
             for (const {text, furigana} of jpDistributeFuriganaInflected(expression, reading, source)) {
-                // can't use 'furigana' in templates
-                term.push({text, reading: furigana});
+                const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
+                term.push({text, reading});
             }
             text = text.slice(source.length);
         } else {
-            term.push({text: text[0]});
+            const reading = jpConvertReading(text[0], null, options.parsing.readingMode);
+            term.push({text: text[0], reading});
             text = text.slice(1);
         }
         results.push(term);
@@ -122,11 +123,12 @@ async function apiTextParseMecab(text, optionsContext) {
                         jpKatakanaToHiragana(reading),
                         source
                     )) {
-                        // can't use 'furigana' in templates
-                        term.push({text, reading: furigana});
+                        const reading = jpConvertReading(text, furigana, options.parsing.readingMode);
+                        term.push({text, reading});
                     }
                 } else {
-                    term.push({text: source});
+                    const reading = jpConvertReading(source, null, options.parsing.readingMode);
+                    term.push({text: source, reading});
                 }
                 result.push(term);
             }
diff --git a/ext/bg/js/options.js b/ext/bg/js/options.js
index 053fb13d..b9bf85f3 100644
--- a/ext/bg/js/options.js
+++ b/ext/bg/js/options.js
@@ -314,7 +314,8 @@ function profileOptionsCreateDefaults() {
         parsing: {
             enableScanningParser: true,
             enableMecabParser: false,
-            selectedParser: null
+            selectedParser: null,
+            readingMode: 'hiragana'
         },
 
         anki: {
diff --git a/ext/bg/js/settings.js b/ext/bg/js/settings.js
index f4fe032a..ab267c32 100644
--- a/ext/bg/js/settings.js
+++ b/ext/bg/js/settings.js
@@ -66,6 +66,7 @@ async function formRead(options) {
 
     options.parsing.enableScanningParser = $('#parsing-scan-enable').prop('checked');
     options.parsing.enableMecabParser = $('#parsing-mecab-enable').prop('checked');
+    options.parsing.readingMode = $('#parsing-reading-mode').val();
 
     const optionsAnkiEnableOld = options.anki.enable;
     options.anki.enable = $('#anki-enable').prop('checked');
@@ -131,6 +132,7 @@ async function formWrite(options) {
 
     $('#parsing-scan-enable').prop('checked', options.parsing.enableScanningParser);
     $('#parsing-mecab-enable').prop('checked', options.parsing.enableMecabParser);
+    $('#parsing-reading-mode').val(options.parsing.readingMode);
 
     $('#anki-enable').prop('checked', options.anki.enable);
     $('#card-tags').val(options.anki.tags.join(' '));
diff --git a/ext/bg/settings.html b/ext/bg/settings.html
index 08b9b6c1..0badb817 100644
--- a/ext/bg/settings.html
+++ b/ext/bg/settings.html
@@ -437,6 +437,15 @@
                 <div class="checkbox">
                     <label><input type="checkbox" id="parsing-mecab-enable"> Enable text parsing using MeCab</label>
                 </div>
+
+                <div class="form-group">
+                    <label for="parsing-reading-mode">Reading mode</label>
+                    <select class="form-control" id="parsing-reading-mode">
+                        <option value="hiragana">ひらがな</option>
+                        <option value="katakana">カタカナ</option>
+                        <option value="romaji">Romaji</option>
+                    </select>
+                </div>
             </div>
 
             <div class="ignore-form-changes">
diff --git a/ext/mixed/js/japanese.js b/ext/mixed/js/japanese.js
index e2d7a090..a7cd0452 100644
--- a/ext/mixed/js/japanese.js
+++ b/ext/mixed/js/japanese.js
@@ -48,6 +48,43 @@ function jpKatakanaToHiragana(text) {
     return result;
 }
 
+function jpHiraganaToKatakana(text) {
+    let result = '';
+    for (const c of text) {
+        if (wanakana.isHiragana(c)) {
+            result += wanakana.toKatakana(c);
+        } else {
+            result += c;
+        }
+    }
+
+    return result;
+}
+
+function jpToRomaji(text) {
+    return wanakana.toRomaji(text);
+}
+
+function jpConvertReading(expressionFragment, readingFragment, readingMode) {
+    switch (readingMode) {
+        case 'hiragana':
+            return jpKatakanaToHiragana(readingFragment || '');
+        case 'katakana':
+            return jpHiraganaToKatakana(readingFragment || '');
+        case 'romaji':
+            if (readingFragment) {
+                return jpToRomaji(readingFragment);
+            } else {
+                if (jpIsKana(expressionFragment)) {
+                    return jpToRomaji(expressionFragment);
+                }
+            }
+            return readingFragment;
+        default:
+            return readingFragment;
+    }
+}
+
 function jpDistributeFurigana(expression, reading) {
     const fallback = [{furigana: reading, text: expression}];
     if (!reading) {
-- 
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