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Flatten some pattern matching

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Brendan Zabarauskas 2014-05-21 09:10:28 -07:00
parent 3d757cd9ce
commit fe28e20bca
1 changed files with 24 additions and 21 deletions
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45
src/components/main/layout/inline.rs
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@ -492,32 +492,35 @@ impl LineboxScanner {
}
let available_width = green_zone.width - self.pending_line.bounds.size.width;
let split = in_box.split_to_width(available_width, line_is_empty);
let (left, right) = match split {
match in_box.split_to_width(available_width, line_is_empty) {
None => {
debug!("LineboxScanner: Tried to split unsplittable render box! {}",
in_box);
debug!("LineboxScanner: Tried to split unsplittable render box! Deferring to next \
line. {}", in_box);
self.work_list.push_front(in_box);
return false
}
Some((left, right)) => {
debug!("LineboxScanner: case=split box did fit; deferring remainder box.");
(left, right)
// Fall though to push boxes to the line.
}
};
match (left, right) {
(Some(left_box), Some(right_box)) => {
false
},
Some((Some(left_box), Some(right_box))) => {
debug!("LineboxScanner: Line break found! Pushing left box to line and deferring \
right box to next line.");
self.push_box_to_line(left_box);
self.work_list.push_front(right_box);
}
(Some(left_box), None) => self.push_box_to_line(left_box),
(None, Some(right_box)) => self.push_box_to_line(right_box),
(None, None) => error!("LineboxScanner: This split case makes no sense!"),
true
},
Some((Some(left_box), None)) => {
debug!("LineboxScanner: Pushing left box to line.");
self.push_box_to_line(left_box);
true
},
Some((None, Some(right_box))) => {
debug!("LineboxScanner: Pushing right box to line.");
self.push_box_to_line(right_box);
true
},
Some((None, None)) => {
error!("LineboxScanner: This split case makes no sense!");
true
},
}
true
}
// An unconditional push