- 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
\ No newline at end of file
+ go ∷ Char → ByteString
+ {-# INLINE go #-}
+ go c | c ≡ ' ' = C8.singleton '+'
+ | isReserved c = urlEncode c
+ | isUnreserved c = C8.singleton c
+ | otherwise = urlEncode c
+
+ urlEncode ∷ Char → ByteString
+ {-# INLINE urlEncode #-}
+ urlEncode c = C8.pack ('%':toHex (ord c))
+
+ toHex ∷ Int → String
+ {-# INLINE toHex #-}
+ toHex n
+ = case showIntAtBase 16 toChrHex n "" of
+ [] → "00"
+ [c] → ['0', c]
+ cs → cs
+
+ toChrHex ∷ Int → Char
+ {-# INLINE toChrHex #-}
+ toChrHex d
+ | d < 10 = chr (ord '0' + fromIntegral d )
+ | otherwise = chr (ord 'A' + fromIntegral (d-10))