Web.Util.String → {Web.Util.Url, Core.Util.String}

1 files changed, 30 insertions, 0 deletions

diff --git a/src/Hakyll/Web/Util/Url.hs b/src/Hakyll/Web/Util/Url.hs
new file mode 100644
index 0000000..54a361e
--- /dev/null
+++ b/src/Hakyll/Web/Util/Url.hs
@@ -0,0 +1,30 @@
+-- | 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