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Avoid breaking up words during wrapping when possible (#47)

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Ulyssa 2023-03-05 12:59:34 -08:00
parent 54a0e76823
commit ac6ff63d25
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3 changed files with 317 additions and 55 deletions
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314
src/message/html.rs
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@ -6,7 +6,7 @@
//! The Matrix specification recommends limiting rendered tags and attributes to a safe subset of
//! HTML. You can read more in section 11.2.1.1, "m.room.message msgtypes":
//!
//! https://spec.matrix.org/unstable/client-server-api/#mroommessage-msgtypes
//! <https://spec.matrix.org/unstable/client-server-api/#mroommessage-msgtypes>
//!
//! This isn't as important for iamb, since it isn't a browser environment, but we do still map
//! input onto an enum of the safe list of tags to keep it easy to understand and process.
@ -271,10 +271,12 @@ impl StyleTreeNode {
},
StyleTreeNode::Header(child, level) => {
let style = style.add_modifier(StyleModifier::BOLD);
let mut hashes = "#".repeat(*level);
hashes.push(' ');
printer.push_str(hashes, style);
for _ in 0..*level {
printer.push_str("#", style);
}
printer.push_str(" ", style);
child.print(printer, style);
},
StyleTreeNode::Image(None) => {},
@ -320,7 +322,9 @@ impl StyleTreeNode {
printer.commit();
},
StyleTreeNode::Ruler => {
printer.push_str(line::HORIZONTAL.repeat(width), style);
for _ in 0..width {
printer.push_str(line::HORIZONTAL, style);
}
},
StyleTreeNode::Table(table) => {
let text = table.to_text(width, style);
@ -636,8 +640,11 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("# ", bold),
Span::styled("Header 1", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("1", bold),
space_span(10, Style::default())
])]);
@ -645,8 +652,12 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("## ", bold),
Span::styled("Header 2", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("2", bold),
space_span(9, Style::default())
])]);
@ -654,8 +665,13 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("### ", bold),
Span::styled("Header 3", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("3", bold),
space_span(8, Style::default())
])]);
@ -663,8 +679,14 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("#### ", bold),
Span::styled("Header 4", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("4", bold),
space_span(7, Style::default())
])]);
@ -672,8 +694,15 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("##### ", bold),
Span::styled("Header 5", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("5", bold),
space_span(6, Style::default())
])]);
@ -681,8 +710,16 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("###### ", bold),
Span::styled("Header 6", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled("#", bold),
Span::styled(" ", bold),
Span::styled("Header", bold),
Span::styled(" ", bold),
Span::styled("6", bold),
space_span(5, Style::default())
])]);
}
@ -700,7 +737,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Bold!", bold),
Span::styled("Bold", bold),
Span::styled("!", bold),
space_span(15, def)
])]);
@ -708,7 +746,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Bold!", bold),
Span::styled("Bold", bold),
Span::styled("!", bold),
space_span(15, def)
])]);
@ -716,7 +755,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Italic!", italic),
Span::styled("Italic", italic),
Span::styled("!", italic),
space_span(13, def)
])]);
@ -724,7 +764,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Italic!", italic),
Span::styled("Italic", italic),
Span::styled("!", italic),
space_span(13, def)
])]);
@ -732,7 +773,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Strikethrough!", strike),
Span::styled("Strikethrough", strike),
Span::styled("!", strike),
space_span(6, def)
])]);
@ -740,7 +782,8 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Strikethrough!", strike),
Span::styled("Strikethrough", strike),
Span::styled("!", strike),
space_span(6, def)
])]);
@ -748,19 +791,28 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Underline!", underl),
Span::styled("Underline", underl),
Span::styled("!", underl),
space_span(10, def)
])]);
let s = "<font color=\"#ff0000\">Red!</u>";
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![Span::styled("Red!", red), space_span(16, def)])]);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Red", red),
Span::styled("!", red),
space_span(16, def)
])]);
let s = "<font color=\"red\">Red!</u>";
let tree = parse_matrix_html(s);
let text = tree.to_text(20, Style::default(), false);
assert_eq!(text.lines, vec![Spans(vec![Span::styled("Red!", red), space_span(16, def)])]);
assert_eq!(text.lines, vec![Spans(vec![
Span::styled("Red", red),
Span::styled("!", red),
space_span(16, def)
])]);
}
#[test]
@ -769,13 +821,25 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(10, Style::default(), false);
assert_eq!(text.lines.len(), 7);
assert_eq!(text.lines[0], Spans(vec![Span::raw("Hello worl")]));
assert_eq!(text.lines[1], Spans(vec![Span::raw("d!"), Span::raw(" ")]));
assert_eq!(
text.lines[0],
Spans(vec![Span::raw("Hello"), Span::raw(" "), Span::raw(" ")])
);
assert_eq!(
text.lines[1],
Spans(vec![Span::raw("world"), Span::raw("!"), Span::raw(" ")])
);
assert_eq!(text.lines[2], Spans(vec![Span::raw(" ")]));
assert_eq!(text.lines[3], Spans(vec![Span::raw("Content"), Span::raw(" ")]));
assert_eq!(text.lines[4], Spans(vec![Span::raw(" ")]));
assert_eq!(text.lines[5], Spans(vec![Span::raw("Goodbye wo")]));
assert_eq!(text.lines[6], Spans(vec![Span::raw("rld!"), Span::raw(" ")]));
assert_eq!(
text.lines[5],
Spans(vec![Span::raw("Goodbye"), Span::raw(" "), Span::raw(" ")])
);
assert_eq!(
text.lines[6],
Spans(vec![Span::raw("world"), Span::raw("!"), Span::raw(" ")])
);
}
#[test]
@ -784,8 +848,14 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(10, Style::default(), false);
assert_eq!(text.lines.len(), 2);
assert_eq!(text.lines[0], Spans(vec![Span::raw(" "), Span::raw("Hello ")]));
assert_eq!(text.lines[1], Spans(vec![Span::raw(" "), Span::raw("world!")]));
assert_eq!(
text.lines[0],
Spans(vec![Span::raw(" "), Span::raw("Hello"), Span::raw(" ")])
);
assert_eq!(
text.lines[1],
Spans(vec![Span::raw(" "), Span::raw("world"), Span::raw("!")])
);
}
#[test]
@ -794,12 +864,60 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(8, Style::default(), false);
assert_eq!(text.lines.len(), 6);
assert_eq!(text.lines[0], Spans(vec![Span::raw("- "), Span::raw("List I")]));
assert_eq!(text.lines[1], Spans(vec![Span::raw(" "), Span::raw("tem 1"), Span::raw(" ")]));
assert_eq!(text.lines[2], Spans(vec![Span::raw("- "), Span::raw("List I")]));
assert_eq!(text.lines[3], Spans(vec![Span::raw(" "), Span::raw("tem 2"), Span::raw(" ")]));
assert_eq!(text.lines[4], Spans(vec![Span::raw("- "), Span::raw("List I")]));
assert_eq!(text.lines[5], Spans(vec![Span::raw(" "), Span::raw("tem 3"), Span::raw(" ")]));
assert_eq!(
text.lines[0],
Spans(vec![
Span::raw("- "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[1],
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("1")
])
);
assert_eq!(
text.lines[2],
Spans(vec![
Span::raw("- "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[3],
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("2")
])
);
assert_eq!(
text.lines[4],
Spans(vec![
Span::raw("- "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[5],
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("3")
])
);
}
#[test]
@ -808,20 +926,59 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(9, Style::default(), false);
assert_eq!(text.lines.len(), 6);
assert_eq!(text.lines[0], Spans(vec![Span::raw("1. "), Span::raw("List I")]));
assert_eq!(
text.lines[0],
Spans(vec![
Span::raw("1. "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[1],
Spans(vec![Span::raw(" "), Span::raw("tem 1"), Span::raw(" ")])
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("1")
])
);
assert_eq!(
text.lines[2],
Spans(vec![
Span::raw("2. "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(text.lines[2], Spans(vec![Span::raw("2. "), Span::raw("List I")]));
assert_eq!(
text.lines[3],
Spans(vec![Span::raw(" "), Span::raw("tem 2"), Span::raw(" ")])
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("2")
])
);
assert_eq!(
text.lines[4],
Spans(vec![
Span::raw("3. "),
Span::raw("List"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(text.lines[4], Spans(vec![Span::raw("3. "), Span::raw("List I")]));
assert_eq!(
text.lines[5],
Spans(vec![Span::raw(" "), Span::raw("tem 3"), Span::raw(" ")])
Spans(vec![
Span::raw(" "),
Span::raw("Item"),
Span::raw(" "),
Span::raw("3")
])
);
}
@ -854,9 +1011,13 @@ pub mod tests {
]);
assert_eq!(text.lines[2].0, vec![
Span::raw("│"),
Span::styled("mn 1", bold),
Span::styled("mn", bold),
Span::styled(" ", bold),
Span::styled("1", bold),
Span::raw("│"),
Span::styled("mn 2", bold),
Span::styled("mn", bold),
Span::styled(" ", bold),
Span::styled("2", bold),
Span::raw("│"),
Span::styled("umn", bold),
Span::raw("│")
@ -867,7 +1028,8 @@ pub mod tests {
Span::raw("│"),
Span::raw(" "),
Span::raw("│"),
Span::styled(" 3", bold),
Span::styled(" ", bold),
Span::styled("3", bold),
Span::styled(" ", bold),
Span::raw("│")
]);
@ -928,15 +1090,61 @@ pub mod tests {
let tree = parse_matrix_html(s);
let text = tree.to_text(10, Style::default(), false);
assert_eq!(text.lines.len(), 4);
assert_eq!(text.lines[0], Spans(vec![Span::raw("This was r")]));
assert_eq!(text.lines[1], Spans(vec![Span::raw("eplied to"), Span::raw(" ")]));
assert_eq!(text.lines[2], Spans(vec![Span::raw("This is th")]));
assert_eq!(text.lines[3], Spans(vec![Span::raw("e reply"), Span::raw(" ")]));
assert_eq!(
text.lines[0],
Spans(vec![
Span::raw("This"),
Span::raw(" "),
Span::raw("was"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[1],
Spans(vec![Span::raw("replied"), Span::raw(" "), Span::raw("to")])
);
assert_eq!(
text.lines[2],
Spans(vec![
Span::raw("This"),
Span::raw(" "),
Span::raw("is"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[3],
Spans(vec![
Span::raw("the"),
Span::raw(" "),
Span::raw("reply"),
Span::raw(" ")
])
);
let tree = parse_matrix_html(s);
let text = tree.to_text(10, Style::default(), true);
assert_eq!(text.lines.len(), 2);
assert_eq!(text.lines[0], Spans(vec![Span::raw("This is th")]));
assert_eq!(text.lines[1], Spans(vec![Span::raw("e reply"), Span::raw(" ")]));
assert_eq!(
text.lines[0],
Spans(vec![
Span::raw("This"),
Span::raw(" "),
Span::raw("is"),
Span::raw(" "),
Span::raw(" ")
])
);
assert_eq!(
text.lines[1],
Spans(vec![
Span::raw("the"),
Span::raw(" "),
Span::raw("reply"),
Span::raw(" ")
])
);
}
}