cessen/furigana_gen
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Attach pitch accent indicators in a more reasonable way.

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This commit is contained in:
Nathan Vegdahl 2024-09-18 13:54:28 +02:00
parent adb58983a7
commit d7d4c0eb11
1 changed files with 54 additions and 28 deletions
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82
src/lib.rs
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@ -321,15 +321,11 @@ fn add_html_furigana(
kana.into() kana.into()
}; };
let furigana_text = apply_furigana(surface, &kana, exclude_kanji); let furigana_text = apply_furigana(surface, &kana, pitches, exclude_kanji);
if furigana_text.is_empty() { if furigana_text.is_empty() {
new_text.push_str(surface); new_text.push_str(surface);
} else { } else {
for pitch in pitches {
new_text.push_str(&format!("<sup>{}</sup>", pitch));
}
for (surf, furi) in furigana_text.iter() { for (surf, furi) in furigana_text.iter() {
if furi.is_empty() { if furi.is_empty() {
new_text.push_str(surf); new_text.push_str(surf);
@ -355,9 +351,10 @@ fn add_html_furigana(
fn apply_furigana<'a>( fn apply_furigana<'a>(
surface: &'a str, surface: &'a str,
kana: &'a str, kana: &'a str,
pitches: &[u8],
exclude_kanji: &FnvHashSet<char>, exclude_kanji: &FnvHashSet<char>,
) -> Vec<(&'a str, &'a str)> { ) -> Vec<(&'a str, String)> {
let mut out = Vec::new(); let mut out: Vec<(&str, String)> = Vec::new();
if furigana_unneeded(surface, exclude_kanji) || !is_kana_str(kana) { if furigana_unneeded(surface, exclude_kanji) || !is_kana_str(kana) {
return Vec::new(); return Vec::new();
@ -378,7 +375,7 @@ fn apply_furigana<'a>(
break; break;
} }
} }
out.push((&surface[..start_s], "")); out.push((&surface[..start_s], "".into()));
surface = &surface[start_s..]; surface = &surface[start_s..];
kana = &kana[start_k..]; kana = &kana[start_k..];
} }
@ -395,7 +392,7 @@ fn apply_furigana<'a>(
break; break;
} }
} }
out.push((&surface[end_s..], "")); out.push((&surface[end_s..], "".into()));
surface = &surface[..end_s]; surface = &surface[..end_s];
kana = &kana[..end_k]; kana = &kana[..end_k];
} }
@ -420,16 +417,40 @@ fn apply_furigana<'a>(
.unwrap(); .unwrap();
// Insert the segments. // Insert the segments.
out.insert(out.len() - 2, (&surface[..si], &kana[..ki])); out.insert(out.len() - 2, (&surface[..si], kana[..ki].into()));
out.insert(out.len() - 2, (&surface[si..(si + sc.len_utf8())], "")); out.insert(
out.len() - 2,
(&surface[si..(si + sc.len_utf8())], "".into()),
);
surface = &surface[(si + sc.len_utf8())..]; surface = &surface[(si + sc.len_utf8())..];
kana = &kana[(ki + kc.len_utf8())..]; kana = &kana[(ki + kc.len_utf8())..];
} }
// Left over. // Left over.
out.insert(out.len() - 1, (surface, kana)); out.insert(out.len() - 1, (surface, kana.into()));
out.retain(|(s, _)| !s.is_empty());
out.iter().filter(|(s, _)| !s.is_empty()).copied().collect() // Attach pitch accent indicator(s) if we have any.
if !pitches.is_empty() && pitches[0] <= 9 {
let last = out.last_mut().unwrap();
last.1.push_str("<span class=\"pitch\">・");
last.1.push(match pitches[0] {
0 => '０',
1 => '１',
2 => '２',
3 => '３',
4 => '４',
5 => '５',
6 => '６',
7 => '７',
8 => '８',
9 => '９',
_ => unreachable!(),
});
last.1.push_str("</span>");
}
out
} }
/// Due to the way this is used, this isn't meant to be exact, but instead /// Due to the way this is used, this isn't meant to be exact, but instead
@ -563,7 +584,7 @@ mod tests {
fn apply_furigana_01() { fn apply_furigana_01() {
let surface = "へぇ"; let surface = "へぇ";
let kana = "ヘー"; let kana = "ヘー";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert!(pairs.is_empty()); assert!(pairs.is_empty());
} }
@ -572,7 +593,7 @@ mod tests {
fn apply_furigana_02() { fn apply_furigana_02() {
let surface = "へぇー"; let surface = "へぇー";
let kana = "ヘー"; let kana = "ヘー";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert!(pairs.is_empty()); assert!(pairs.is_empty());
} }
@ -581,7 +602,7 @@ mod tests {
fn apply_furigana_03() { fn apply_furigana_03() {
let surface = "へ"; let surface = "へ";
let kana = "え"; let kana = "え";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert!(pairs.is_empty()); assert!(pairs.is_empty());
} }
@ -590,19 +611,24 @@ mod tests {
fn apply_furigana_04() { fn apply_furigana_04() {
let surface = "食べる"; let surface = "食べる";
let kana = "タベル"; let kana = "タベル";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert_eq!(&[("食", "タ"), ("べる", "")], &pairs[..]); assert_eq!(&[("食", "タ".into()), ("べる", "".into())], &pairs[..]);
} }
#[test] #[test]
fn apply_furigana_05() { fn apply_furigana_05() {
let surface = "流れ出す"; let surface = "流れ出す";
let kana = "ながれだす"; let kana = "ながれだす";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert_eq!( assert_eq!(
&[("流", "なが"), ("れ", ""), ("出", "だ"), ("す", "")], &[
("流", "なが".into()),
("れ", "".into()),
("出", "だ".into()),
("す", "".into())
],
&pairs[..] &pairs[..]
); );
} }
@ -611,18 +637,18 @@ mod tests {
fn apply_furigana_06() { fn apply_furigana_06() {
let surface = "物の怪"; let surface = "物の怪";
let kana = "もののけ"; let kana = "もののけ";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert_eq!(&[("物の怪", "もののけ")], &pairs[..]); assert_eq!(&[("物の怪", "もののけ".into())], &pairs[..]);
} }
#[test] #[test]
fn apply_furigana_07() { fn apply_furigana_07() {
let surface = "ご飯"; let surface = "ご飯";
let kana = "ゴハン"; let kana = "ゴハン";
let pairs = apply_furigana(surface, kana, &FnvHashSet::default()); let pairs = apply_furigana(surface, kana, &[], &FnvHashSet::default());
assert_eq!(&[("ご", ""), ("飯", "ハン")], &pairs[..]); assert_eq!(&[("ご", "".into()), ("飯", "ハン".into())], &pairs[..]);
} }
#[test] #[test]
@ -699,7 +725,7 @@ mod tests {
); );
assert_eq!( assert_eq!(
furi_2, furi_2,
r#"<sup class="食う"><sup>2</sup><ruby>食<rt>タ</rt></ruby>べる</sup>のは<ruby>良</ruby>いね！<hi />"# r#"<sup class="食う"><ruby>食<rt>タ</rt></ruby><ruby>べる<rt><span class="pitch">・２</span></rt></ruby></sup>のは<ruby>良</ruby>いね！<hi />"#
); );
} }
@ -715,13 +741,13 @@ mod tests {
); );
assert_eq!( assert_eq!(
gen_accent.add_html_furigana("額"), gen_accent.add_html_furigana("額"),
"<sup>0</sup><ruby>額<rt>ヒタイ</rt></ruby>" "<ruby>額<rt>ヒタイ<span class=\"pitch\">・０</span></rt></ruby>"
); );
assert_eq!(gen.add_html_furigana("他"), "<ruby>他<rt>ホカ</rt></ruby>"); assert_eq!(gen.add_html_furigana("他"), "<ruby>他<rt>ホカ</rt></ruby>");
assert_eq!( assert_eq!(
gen_accent.add_html_furigana("他"), gen_accent.add_html_furigana("他"),
"<sup>0</sup><ruby>他<rt>ホカ</rt></ruby>" "<ruby>他<rt>ホカ<span class=\"pitch\">・０</span></rt></ruby>"
); );
assert_eq!( assert_eq!(
@ -730,7 +756,7 @@ mod tests {
); );
assert_eq!( assert_eq!(
gen_accent.add_html_furigana("私"), gen_accent.add_html_furigana("私"),
"<sup>0</sup><ruby>私<rt>ワタシ</rt></ruby>" "<ruby>私<rt>ワタシ<span class=\"pitch\">・０</span></rt></ruby>"
); );
} }
} }