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Count the inserted & deleted lines.

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This commit is contained in:
Rob Rix 2015-12-18 08:12:11 -05:00
parent 6711d29ea4
commit e22f951038
1 changed files with 6 additions and 1 deletions
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7
src/PatchOutput.hs
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@ -8,7 +8,12 @@ patch diff sourceA sourceB = mconcat $ hunks diff sourceA sourceB
data Hunk = Hunk Int Int [Line]
header :: Hunk -> String
header (Hunk offsetA offsetB _) = "@@ -" ++ show offsetA ++ " +" ++ show offsetB ++ " @@\n"
header (Hunk offsetA offsetB lines) = "@@ -" ++ show offsetA ++ " +" ++ show offsetB ++ " @@\n"
where (countDeleted, countInserted) = foldl countLine (0, 0) lines
countLine (countDeleted, countInserted) line = case line of
Insert _ -> (countDeleted, countInserted + 1)
Delete _ -> (countDeleted + 1, countInserted)
Context _ -> (countDeleted + 1, countInserted + 1)
data Line = Insert String | Delete String | Context String