40 lines
1.1 KiB
Haskell
40 lines
1.1 KiB
Haskell
module Util where
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-- |Checks whether the Coordinates are in a given range.
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inRange :: Double -- ^ min
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-> Double -- ^ max
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-> (Double, Double) -- ^ Coordinates to check
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-> Bool -- ^ result
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inRange min' max' (x, y)
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| x <= max' && x >= min' && y <= max' && y >= min' = True
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| otherwise = False
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-- |Compare the extension of a file with the given String.
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cmpExt :: String -> FilePath -> Bool
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cmpExt _ [] = False
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cmpExt checkExt fp
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| actualExt == fp = False
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| otherwise = checkExt == actualExt
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where
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actualExt = getExt fp
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-- |Get the extension of a file.
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getExt :: FilePath -> String
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getExt = last .
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splitBy (== '.') .
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last .
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splitBy (== '/')
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-- |Split an array into subarrays depending on a given condition.
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splitBy :: (a -> Bool) -- ^ condition
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-> [a] -- ^ array to split
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-> [[a]] -- ^ splitted array
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splitBy f s = case dropWhile f s of
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[] -> []
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s' -> w : splitBy f s''
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where (w, s'') = break f s'
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