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Unify splitting function, and finish comment sentences

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This commit is contained in:
René Kijewski 2025-06-15 22:05:24 +02:00
parent 94e7757078
commit b70de9cd73
1 changed files with 17 additions and 16 deletions
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33
askama/src/filters/core.rs
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@ -617,7 +617,7 @@ impl<'a> fmt::Write for WordCountWriter<'a> {
}
}
/// Replaces line breaks in plain text with appropriate HTML
/// Replaces line breaks in plain text with appropriate HTML.
///
/// A single newline becomes an HTML line break `<br>` and a new line
/// followed by a blank line becomes a paragraph break `<p>`.
@ -733,9 +733,7 @@ impl<W: fmt::Write + ?Sized> fmt::Write for NewlineCountingFormatter<'_, W> {
if s.is_empty() {
return Ok(());
}
for line in s.split_inclusive('\n') {
let (has_eol, line) = strip_newline_suffix(line);
for (has_eol, line) in split_lines(s) {
if !line.is_empty() {
match replace(&mut self.counter, if has_eol { 1 } else { 0 }) {
..=0 => {}
@ -751,7 +749,7 @@ impl<W: fmt::Write + ?Sized> fmt::Write for NewlineCountingFormatter<'_, W> {
}
}
/// Converts all newlines in a piece of plain text to HTML line breaks
/// Converts all newlines in a piece of plain text to HTML line breaks.
///
/// ```
/// # #[cfg(feature = "code-in-doc")] {
@ -802,8 +800,10 @@ impl<S: FastWritable> FastWritable for Linebreaksbr<S> {
impl<W: fmt::Write + ?Sized> fmt::Write for LinebreaksbrFormatter<'_, W> {
fn write_str(&mut self, s: &str) -> fmt::Result {
for line in s.split_inclusive('\n') {
let (has_eol, line) = strip_newline_suffix(line);
if s.is_empty() {
return Ok(());
}
for (has_eol, line) in split_lines(s) {
self.0.write_str(line)?;
if has_eol {
self.0.write_str("<br/>")?;
@ -813,15 +813,16 @@ impl<W: fmt::Write + ?Sized> fmt::Write for LinebreaksbrFormatter<'_, W> {
}
}
/// Returns whether a newline suffix was stripped and the (maybe stripped) line.
fn strip_newline_suffix(line: &str) -> (bool, &str) {
if let Some(line) = line.strip_suffix("\r\n") {
(true, line)
} else if let Some(line) = line.strip_suffix('\n') {
(true, line)
} else {
(false, line)
}
/// Splits the input at `/\r?\n/g``; returns whether a newline suffix was stripped and the
/// (maybe stripped) line.
fn split_lines(s: &str) -> impl Iterator<Item = (bool, &str)> {
s.split_inclusive('\n').map(|line| {
if let Some(line) = line.strip_suffix('\n') {
(true, line.strip_suffix('\r').unwrap_or(line))
} else {
(false, line)
}
})
}
#[cfg(all(test, feature = "alloc"))]