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Use an additional level of ruby for pitch accent marks.

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Rather than depending on delicate CSS formatting.
This commit is contained in:
Nathan Vegdahl 2025-03-26 06:36:30 +01:00
parent b7f6b1fa31
commit 40f93cf55a
1 changed files with 40 additions and 13 deletions
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53
src/lib.rs
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@ -441,22 +441,45 @@ fn apply_furigana<'a>(
if pitches[0] == 0 {
// 平板.
let (s, k) = out.last_mut().unwrap();
let mark = if k.is_empty() {
// If we're putting this on a non-furigana character, add an
// extra level of furigana to make the formatting consistent.
&[
"<ruby>",
"<rt><ruby class=\"pitch_flat\">　<rt>o</rt></ruby></rt></ruby>",
]
} else {
&["<ruby class=\"pitch_flat\">", "<rt>o</rt></ruby>"]
};
let text = if k.is_empty() { s } else { k };
if text.len() >= 3 && text.is_char_boundary(text.len() - 3) {
text.insert_str(text.len() - 3, "<span class=\"pitch_flat\">");
text.insert_str(text.len(), "</span>");
text.insert_str(text.len() - 3, mark[0]);
text.insert_str(text.len(), mark[1]);
}
} else {
// Everything else.
let mut byte_idx = accent::accent_number_to_byte_idx(kana, pitches[0]).unwrap();
for (s, k) in out.iter_mut() {
let mark = if k.is_empty() {
// If we're putting this on a non-furigana character, add an
// extra level of furigana to make the formatting consistent.
&[
"<ruby>",
"<rt><ruby class=\"pitch_accent\">　<rt>＊</rt></ruby></rt></ruby>",
]
} else {
&["<ruby class=\"pitch_accent\">", "<rt>＊</rt></ruby>"]
};
let text = if k.is_empty() { s } else { k };
if byte_idx < text.len()
&& text.is_char_boundary(byte_idx)
&& text.is_char_boundary(byte_idx + 3)
{
text.insert_str(byte_idx + 3, "</span>");
text.insert_str(byte_idx, "<span class=\"pitch_accent\">");
text.insert_str(byte_idx + 3, mark[1]);
text.insert_str(byte_idx, mark[0]);
break;
}
byte_idx -= text.len();
}
@ -744,7 +767,7 @@ mod tests {
);
assert_eq!(
furi_2,
r#"<sup class="食う"><ruby>食<rt>タ</rt></ruby><span class="pitch_accent">べ</span>る</sup>のは<ruby>良</ruby>いね！<hi />"#
r#"<sup class="食う"><ruby>食<rt>タ</rt></ruby><ruby>べ<rt><ruby class="pitch_accent">　<rt>＊</rt></ruby></rt></ruby>る</sup>のは<ruby>良</ruby>いね！<hi />"#
);
}
@ -792,7 +815,7 @@ mod tests {
// Ichidan verb. Should only get pitch accent marking in full dictionary form.
assert_eq!(
gen.add_html_furigana("食べる"),
r#"<ruby>食<rt>タ</rt></ruby><span class="pitch_accent">べ</span>る"#
r#"<ruby>食<rt>タ</rt></ruby><ruby>べ<rt><ruby class="pitch_accent">　<rt>＊</rt></ruby></rt></ruby>る"#
);
assert_eq!(
gen.add_html_furigana("食べます"),
@ -806,7 +829,7 @@ mod tests {
// Godan verb. Should only get pitch accent marking in full dictionary form.
assert_eq!(
gen.add_html_furigana("泳ぐ"),
r#"<ruby>泳<rt>オ<span class="pitch_accent">ヨ</span></rt></ruby>ぐ"#
r#"<ruby>泳<rt>オ<ruby class="pitch_accent">ヨ<rt>＊</rt></ruby></rt></ruby>ぐ"#
);
assert_eq!(
gen.add_html_furigana("泳が"),
@ -818,13 +841,13 @@ mod tests {
);
assert_eq!(
gen.add_html_furigana("泳ぎ"),
r#"<ruby>泳<rt>オヨ</rt></ruby><span class="pitch_accent">ぎ</span>"#
r#"<ruby>泳<rt>オヨ</rt></ruby><ruby>ぎ<rt><ruby class="pitch_accent">　<rt>＊</rt></ruby></rt></ruby>"#
);
// I-adjective. Should only get pitch accent marking in full dictionary form.
assert_eq!(
gen.add_html_furigana("早い"),
r#"<ruby>早<rt>ハ<span class="pitch_accent">ヤ</span></rt></ruby>い"#
r#"<ruby>早<rt>ハ<ruby class="pitch_accent">ヤ<rt>＊</rt></ruby></rt></ruby>い"#
);
assert_eq!(
gen.add_html_furigana("早く"),
@ -834,19 +857,23 @@ mod tests {
// Other. Should always get pitch accent markings.
assert_eq!(
gen.add_html_furigana("少し"),
r#"<ruby>少<rt>ス<span class="pitch_accent">コ</span></rt></ruby>し"#
r#"<ruby>少<rt>ス<ruby class="pitch_accent">コ<rt>＊</rt></ruby></rt></ruby>し"#
);
assert_eq!(
gen.add_html_furigana("綺麗"),
r#"<ruby>綺麗<rt><span class="pitch_accent">キ</span>レイ</rt></ruby>"#
r#"<ruby>綺麗<rt><ruby class="pitch_accent">キ<rt>＊</rt></ruby>レイ</rt></ruby>"#
);
assert_eq!(
gen.add_html_furigana("平板"),
r#"<ruby>平板<rt>ヘイバ<span class="pitch_flat">ン</span></rt></ruby>"#
r#"<ruby>平板<rt>ヘイバ<ruby class="pitch_flat">ン<rt>o</rt></ruby></rt></ruby>"#
);
assert_eq!(
gen.add_html_furigana("他"),
r#"<ruby>他<rt>ホ<span class="pitch_flat">カ</span></rt></ruby>"#
r#"<ruby>他<rt>ホ<ruby class="pitch_flat">カ<rt>o</rt></ruby></rt></ruby>"#
);
assert_eq!(
gen.add_html_furigana("中"),
r#"<ruby>中<rt><ruby class="pitch_accent">ナ<rt>＊</rt></ruby>カ</rt></ruby>"#
);
}
}