31 lines
1.3 KiB
Rust
31 lines
1.3 KiB
Rust
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use ratatui::text::Line;
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use ratatui::text::Span;
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pub(crate) fn append_markdown(markdown_source: &str, lines: &mut Vec<Line<'static>>) {
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let markdown = tui_markdown::from_str(markdown_source);
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// `tui_markdown` returns a `ratatui::text::Text` where every `Line` borrows
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// from the input `message` string. Since the `HistoryCell` stores its lines
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// with a `'static` lifetime we must create an **owned** copy of each line
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// so that it is no longer tied to `message`. We do this by cloning the
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// content of every `Span` into an owned `String`.
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for borrowed_line in markdown.lines {
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let mut owned_spans = Vec::with_capacity(borrowed_line.spans.len());
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for span in &borrowed_line.spans {
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// Create a new owned String for the span's content to break the lifetime link.
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let owned_span = Span::styled(span.content.to_string(), span.style);
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owned_spans.push(owned_span);
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}
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let owned_line: Line<'static> = Line::from(owned_spans).style(borrowed_line.style);
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// Preserve alignment if it was set on the source line.
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let owned_line = match borrowed_line.alignment {
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Some(alignment) => owned_line.alignment(alignment),
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None => owned_line,
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};
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lines.push(owned_line);
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}
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}
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