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Add a function to render numbered lines to markup with indication of changes.

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Rob Rix 2015-12-22 17:55:30 -05:00
parent b89218a944
commit e974ea43af
1 changed files with 3 additions and 0 deletions
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src/Split.hs
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@ -45,6 +45,9 @@ split diff before after = return . renderHtml
columnWidth = max (20 + digits maxNumber * 8) 40
numberedLinesToMarkup :: (Int, Line (SplitDiff a Info), Int, Line (SplitDiff a Info)) -> Markup
numberedLinesToMarkup (m, left, n, right) = tr $ toMarkup (foldl (||) False $ hasChanges <$> unLine left, m, renderable before left) <> toMarkup (foldl (||) False $ hasChanges <$> unLine right, n, renderable after right) <> string "\n"
renderable source = fmap (Renderable . (,) source)
hasChanges diff = foldl (||) False $ const True <$> diff