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intersects takes a single line.

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This commit is contained in:
Rob Rix 2016-04-04 18:05:46 -04:00
parent c79773ceea
commit 23a2e300ae
1 changed files with 3 additions and 4 deletions
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7
src/Alignment.hs
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@ -143,7 +143,7 @@ group2 ranges children | Just (headRanges, tailRanges) <- unconsThese ranges
, (child:restOfChildren) <- children
, (firstLine:rest) <- child
, ~(l, r) <- split firstLine
= case fromThese False False . runJoin $ intersects headRanges child of
= case fromThese False False . runJoin $ intersects headRanges firstLine of
(True, True) -> let (moreRanges, moreChildren, remainingLines) = group2 tailRanges (rest:restOfChildren) in
(moreRanges, moreChildren, pairRangesWithLine headRanges (pure <$> firstLine) : remainingLines)
(True, False) -> let (moreRanges, moreChildren, remainingLines) = group2 (modifyJoin (bimap (drop 1) (if null r then id else drop 1)) ranges) ((r ++ rest):restOfChildren) in
@ -179,9 +179,8 @@ getRange :: SplitDiff leaf Info -> Range
getRange (Free (Annotated (Info range _) _)) = range
getRange (Pure patch) | Info range _ :< _ <- getSplitTerm patch = range
intersects :: Join These Range -> AlignedDiff leaf -> Join These Bool
intersects ranges childLines | (line:_) <- childLines = fromMaybe (False <$ line) $ intersectsChild <$> ranges `applyThese` line
| otherwise = False <$ ranges
intersects :: Join These Range -> Join These (SplitDiff leaf Info) -> Join These Bool
intersects ranges line = fromMaybe (False <$ line) $ intersectsChild <$> ranges `applyThese` line
intersectsChild :: Range -> SplitDiff leaf Info -> Bool
intersectsChild range child = end (getRange child) <= end range