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Extract a wrapInBranch function to construct branches.

This commit is contained in:
Rob Rix 2016-04-04 15:21:57 -04:00
parent 06c4759aed
commit 6856151fe5

View File

@ -128,9 +128,10 @@ alignDiff sources diff = iter alignSyntax (alignPatch sources <$> diff)
where alignSyntax :: Annotated leaf (Both Info) (AlignedDiff leaf) -> AlignedDiff leaf
alignSyntax (Annotated infos syntax) = case syntax of
Leaf s -> modifyJoin (runBothWith bimap (((Free . (`Annotated` Leaf s)) .) . setCharacterRange <$> infos)) <$> sequenceL lineRanges
Indexed children -> modifyJoin (runBothWith bimap ((\ info (range, children) -> Free (Annotated (setCharacterRange info range) (Indexed children))) <$> infos)) <$> groupChildrenByLine lineRanges children
Indexed children -> wrapInBranch Indexed <$> groupChildrenByLine lineRanges children
_ -> []
where lineRanges = runBothWith ((Join .) . These) (actualLineRanges <$> (characterRange <$> infos) <*> sources)
wrapInBranch constructor = modifyJoin (runBothWith bimap ((\ info (range, children) -> Free (Annotated (setCharacterRange info range) (constructor children))) <$> infos))
groupChildrenByLine :: Join These [Range] -> [AlignedDiff leaf] -> [Join These (Range, [SplitDiff leaf Info])]
groupChildrenByLine ranges children | (nextRanges, nextChildren, lines) <- group2 ranges children