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+-- | Miscellaneous URL manipulation functions.
+--
+module Hakyll.Web.Util.Url
+ ( toUrl
+ , toSiteRoot
+ ) where
+
+import System.FilePath (splitPath, takeDirectory, joinPath)
+
+-- | Convert a filepath to an URL starting from the site root
+--
+-- Example:
+--
+-- > toUrl "foo/bar.html"
+--
+-- Result:
+--
+-- > "/foo/bar.html"
+--
+toUrl :: FilePath -> String
+toUrl = ('/' :)
+
+-- | Get the relative url to the site root, for a given (absolute) url
+--
+toSiteRoot :: String -> String
+toSiteRoot = emptyException . joinPath . map parent . splitPath . takeDirectory
+ where
+ parent = const ".."
+ emptyException [] = "."
+ emptyException x = x