X-Git-Url: http://git.cielonegro.org/gitweb.cgi?a=blobdiff_plain;f=Rakka%2FUtils.hs;h=693fdf2ebae8b695e7b1c30596c2e81d5bd09c40;hb=522dde5470584bb3f82cb0b4179233724d2408d0;hp=9f2873c9ae328d626d9679b2ac0c777750c1e50e;hpb=3c5211253dc61c31196a47486c538b64c32d8c5e;p=Rakka.git

diff --git a/Rakka/Utils.hs b/Rakka/Utils.hs
index 9f2873c..693fdf2 100644
--- a/Rakka/Utils.hs
+++ b/Rakka/Utils.hs
@@ -1,17 +1,21 @@
 module Rakka.Utils
     ( yesOrNo
+    , trueOrFalse
     , parseYesOrNo
     , maybeA
     , deleteIfEmpty
-    , formatW3CDateTime
     , chomp
+    , guessMIMEType
     )
     where
 
 import           Control.Arrow
 import           Control.Arrow.ArrowList
-import           System.Time
-import           Text.Printf
+import qualified Data.ByteString.Lazy as Lazy (ByteString)
+import qualified Data.ByteString.Lazy.Char8 as L8 hiding (ByteString)
+import           Magic
+import           Network.HTTP.Lucu
+import           System.IO.Unsafe
 
 
 yesOrNo :: Bool -> String
@@ -19,6 +23,11 @@ yesOrNo True  = "yes"
 yesOrNo False = "no"
 
 
+trueOrFalse :: Bool -> String
+trueOrFalse True  = "true"
+trueOrFalse False = "false"
+
+
 parseYesOrNo :: ArrowChoice a => a String Bool
 parseYesOrNo 
     = proc str -> do case str of
@@ -42,38 +51,15 @@ deleteIfEmpty
                        _  -> returnA -< str
 
 
-formatW3CDateTime :: CalendarTime -> String
-formatW3CDateTime time
-    = formatDateTime time ++ formatTimeZone time
-    where
-      formatDateTime :: CalendarTime -> String
-      formatDateTime time
-          = printf "%04d-%02d-%02dT%02d:%02d:%02d"
-            (ctYear time)
-            (fromEnum (ctMonth time) + 1)
-            (ctDay  time)
-            (ctHour time)
-            (ctMin  time)
-            (ctSec  time)
-      
-      formatTimeZone :: CalendarTime -> String
-      formatTimeZone time
-          = case ctTZ time
-            of offset | offset <  0 -> '-':(showTZ $ negate offset)
-                      | offset == 0 -> "Z"
-                      | otherwise   -> '+':(showTZ offset)
-      
-      showTZ :: Int -> String   
-      showTZ offset
-          = let hour = offset `div` 3600
-                min  = (offset - hour * 3600) `div` 60
-            in 
-              show2 hour ++ ":" ++ show2 min
-            
-      show2 :: Int -> String
-      show2 n | n < 10    = '0':(show n)
-              | otherwise = show n
-
-
 chomp :: String -> String
 chomp = reverse . snd . break (/= '\n') . reverse
+
+
+guessMIMEType :: Lazy.ByteString -> MIMEType
+guessMIMEType = read . unsafePerformIO . magicString magic . L8.unpack
+    where
+      magic :: Magic
+      magic = unsafePerformIO
+              $ do m <- magicOpen [MagicMime]
+                   magicLoadDefault m
+                   return m