Use Pandoc for document rendering, for now just Markdown

src/Text/FilePath/Local.hs

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+{- This file is part of Vervis.
+ -
+ - Written in 2016 by fr33domlover <fr33domlover@riseup.net>.
+ -
+ - ♡ Copying is an act of love. Please copy, reuse and share.
+ -
+ - The author(s) have dedicated all copyright and related and neighboring
+ - rights to this software to the public domain worldwide. This software is
+ - distributed without any warranty.
+ -
+ - You should have received a copy of the CC0 Public Domain Dedication along
+ - with this software. If not, see
+ - <http://creativecommons.org/publicdomain/zero/1.0/>.
+ -}
+
+-- | File path utilities for 'Data.Text.Text'.
+module Text.FilePath.Local
+    ( -- * Types
+      FileName
+    , FileBaseName
+    , FileExtension
+      -- * Functions
+    , breakExt
+    )
+where
+
+import Prelude
+
+import Control.Arrow ((***))
+import Data.Text (Text)
+import System.FilePath
+
+import qualified Data.Text as T
+
+type FileName = Text
+
+type FileBaseName = Text
+
+type FileExtension = Text
+
+breakExt :: FileName -> (FileBaseName, FileExtension)
+breakExt name =
+    case id *** T.uncons $ T.break isExtSeparator name of
+        (_, Nothing)     -> (name, T.empty)
+        (p, Just (_, r)) -> (p, r)