Code clean-up using convertible-text.

[Lucu.git] / Network / HTTP / Lucu / Utils.hs

diff --git a/Network/HTTP/Lucu/Utils.hs b/Network/HTTP/Lucu/Utils.hs
index d36c81b2853cb7e01adf861bed59e344b4181f7c..7537eafcffacf7d8edf755e2bb8fea30cd636547 100644 (file)
--- a/Network/HTTP/Lucu/Utils.hs
+++ b/Network/HTTP/Lucu/Utils.hs
@@ -5,15 +5,13 @@
   #-}
 -- |Utility functions used internally in this package.
 module Network.HTTP.Lucu.Utils
-    ( Scheme
-    , Host
+    ( Host
     , PathSegment
-    , PathSegments
+    , Path
 
     , splitBy
     , quoteStr
     , parseWWWFormURLEncoded
-    , uriCIScheme
     , uriHost
     , uriPathSegments
     , trim
@@ -28,7 +26,7 @@ module Network.HTTP.Lucu.Utils
     where
 import Control.Applicative hiding (empty)
 import Control.Monad hiding (mapM)
-import Data.Ascii (Ascii, AsciiBuilder, CIAscii)
+import Data.Ascii (Ascii, AsciiBuilder)
 import qualified Data.Ascii as A
 import Data.ByteString (ByteString)
 import qualified Data.ByteString.Char8 as BS
@@ -37,21 +35,18 @@ import qualified Data.CaseInsensitive as CI
 import Data.Char
 import Data.Collections
 import Data.Collections.BaseInstances ()
+import Data.Convertible.Base
+import Data.Convertible.Instances.Ascii ()
+import Data.Convertible.Instances.Text ()
+import Data.Convertible.Instances.Time ()
 import Data.Maybe
 import Data.Monoid.Unicode
-import Data.Ratio
 import Data.Text (Text)
-import qualified Data.Text as T
 import Data.Time
-import Data.Time.Clock.POSIX
 import Network.URI
 import Prelude hiding (last, mapM, null, reverse)
 import Prelude.Unicode
 import System.Directory
-import System.Time (ClockTime(..))
-
--- |'Scheme' represents an URI scheme.
-type Scheme = CIAscii
 
 -- |'Host' represents an IP address or a host name in an URI
 -- authority.
@@ -61,8 +56,8 @@ type Host = CI Text
 -- percent-decoded.
 type PathSegment = ByteString
 
--- |'PathSegments' is a list of URI path segments.
-type PathSegments = [PathSegment]
+-- |'Path' is a list of URI path segments.
+type Path = [PathSegment]
 
 -- |>>> splitBy (== ':') "ab:c:def"
 -- ["ab", "c", "def"]
@@ -79,9 +74,9 @@ splitBy isSep src
 -- >>> quoteStr "ab\"c"
 -- "\"ab\\\"c\""
 quoteStr ∷ Ascii → AsciiBuilder
-quoteStr str = A.toAsciiBuilder "\"" ⊕
-               go (A.toByteString str) (∅) ⊕
-               A.toAsciiBuilder "\""
+quoteStr str = cs ("\"" ∷ Ascii) ⊕
+               go (cs str) (∅)   ⊕
+               cs ("\"" ∷ Ascii)
     where
       go ∷ ByteString → AsciiBuilder → AsciiBuilder
       go bs ab
@@ -91,10 +86,10 @@ quoteStr str = A.toAsciiBuilder "\"" ⊕
                       → ab ⊕ b2ab x
                   | otherwise
                       → go (BS.tail y)
-                           (ab ⊕ b2ab x ⊕ A.toAsciiBuilder "\\\"")
+                           (ab ⊕ b2ab x ⊕ cs ("\\\"" ∷ Ascii))
 
       b2ab ∷ ByteString → AsciiBuilder
-      b2ab = A.toAsciiBuilder ∘ A.unsafeFromByteString
+      b2ab = cs ∘ A.unsafeFromByteString
 
 -- |>>> parseWWWFormURLEncoded "aaa=bbb&ccc=ddd"
 -- [("aaa", "bbb"), ("ccc", "ddd")]
@@ -103,7 +98,7 @@ parseWWWFormURLEncoded src
     -- THINKME: We could gain some performance by using attoparsec
     -- here.
     | src ≡ ""  = []
-    | otherwise = do pairStr ← splitBy (\ c → c ≡ ';' ∨ c ≡ '&') (A.toString src)
+    | otherwise = do pairStr ← splitBy (\ c → c ≡ ';' ∨ c ≡ '&') (cs src)
                      let (key, value) = break (≡ '=') pairStr
                      return ( unescape key
                             , unescape $ case value of
@@ -118,21 +113,15 @@ parseWWWFormURLEncoded src
       plusToSpace '+' = ' '
       plusToSpace c   = c
 
--- |>>> uriCIScheme "http://example.com/foo/bar"
--- "http"
-uriCIScheme ∷ URI → Scheme
-{-# INLINE uriCIScheme #-}
-uriCIScheme = A.toCIAscii ∘ A.unsafeFromString ∘ uriScheme
-
 -- |>>> uriHost "http://example.com/foo/bar"
 -- "example.com"
 uriHost ∷ URI → Host
 {-# INLINE uriHost #-}
-uriHost = CI.mk ∘ T.pack ∘ uriRegName ∘ fromJust ∘ uriAuthority
+uriHost = CI.mk ∘ cs ∘ uriRegName ∘ fromJust ∘ uriAuthority
 
 -- |>>> uriPathSegments "http://example.com/foo/bar"
 -- ["foo", "bar"]
-uriPathSegments ∷ URI → PathSegments
+uriPathSegments ∷ URI → Path
 uriPathSegments uri
     = let reqPathStr = uriPath uri
           reqPath    = [ unEscapeString x
@@ -148,21 +137,21 @@ trim = reverse ∘ f ∘ reverse ∘ f
       f = dropWhile isSpace
 
 infixr 5 ⊲
--- | (&#22B2;) = ('<|')
+-- | (&#x22B2;) = ('<|')
 --
 -- U+22B2, NORMAL SUBGROUP OF
 (⊲) ∷ Sequence α a ⇒ a → α → α
 (⊲) = (<|)
 
 infixl 5 ⊳
--- | (&#22B3;) = ('|>')
+-- | (&#x22B3;) = ('|>')
 --
 -- U+22B3, CONTAINS AS NORMAL SUBGROUP
 (⊳) ∷ Sequence α a ⇒ α → a → α
 (⊳) = (|>)
 
 infixr 5 ⋈
--- | (&#22C8;) = ('><')
+-- | (&#x22C8;) = ('><')
 --
 -- U+22C8, BOWTIE
 (⋈) ∷ Sequence α a ⇒ α → α → α
@@ -177,9 +166,4 @@ mapM = flip foldrM empty ∘ (flip ((<$>) ∘ flip insert) ∘)
 
 -- |Get the modification time of a given file.
 getLastModified ∷ FilePath → IO UTCTime
-getLastModified = (clockTimeToUTC <$>) ∘ getModificationTime
-    where
-      clockTimeToUTC ∷ ClockTime → UTCTime
-      clockTimeToUTC (TOD sec picoSec)
-          = posixSecondsToUTCTime ∘ fromRational
-            $ sec % 1 + picoSec % (1000 ⋅ 1000 ⋅ 1000 ⋅ 1000)
+getLastModified = (cs <$>) ∘ getModificationTime