Darcs change log view

src/Data/Attoparsec/ByteString/Local.hs

@@ -0,0 +1,38 @@
+{- 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/>.
+ -}
+
+module Data.Attoparsec.ByteString.Local
+    ( parseFileIncremental
+    )
+where
+
+import Prelude
+
+import Data.Attoparsec.ByteString
+import System.IO
+
+import qualified Data.ByteString as B (hGet)
+import qualified Data.ByteString.Lazy.Internal as BLI (defaultChunkSize)
+
+parseFileIncremental :: FilePath -> Parser a -> IO (Either String a)
+parseFileIncremental file parser =
+    withBinaryFile file ReadMode $ \ h -> do
+        let getChunk = B.hGet h BLI.defaultChunkSize
+            go (Fail _remainder _contexts msg) = return $ Left msg
+            go (Partial cont)                  = getChunk >>= go . cont
+            go (Done _remainder value)         = return $ Right value
+        firstChunk <- getChunk
+        let firstResult = parse parser firstChunk
+        go firstResult

src/Data/ByteString/Local.hs

@@ -13,8 +13,11 @@
  - <http://creativecommons.org/publicdomain/zero/1.0/>.
  -}
 
+{-# LANGUAGE CPP #-}
+
 module Data.ByteString.Local
     ( fromDecimal
+    , stripPrefix
     )
 where
 
@@ -38,3 +41,11 @@ fromDecimal s =
     if (not . B.null) s && B.all (\ b -> 48 <= b && b <= 57) s
         then Just $ B.foldl' (\ n b -> 10 * n + fromIntegral b - 48) 0 s
         else Nothing
+
+#if !(MIN_VERSION_bytestring(0,10,8))
+stripPrefix :: ByteString -> ByteString -> Maybe ByteString
+stripPrefix p b =
+    if p `B.isPrefixOf` b
+        then Just $ B.drop (B.length p) b
+        else Nothing
+#endif

src/Data/Time/Clock/Local.hs

@@ -0,0 +1,44 @@
+{- 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/>.
+ -}
+
+module Data.Time.Clock.Local
+    (
+    )
+where
+
+import Prelude
+
+import Data.Time.Clock
+
+import Data.EventTime.Local
+
+instance IntervalToEventTime NominalDiffTime where
+    intervalToEventTime t
+        | t < 0                  = Never
+        | t == 0                 = Now
+        | t < 60 * 60            = Ago $ TimeAgo Second s
+        | t < 60 * 60 * 24       = Ago $ TimeAgo Minute $ s `div` 60
+        | t < 60 * 60 * 24 * 365 = Ago $ TimeAgo Hour $ s `div` (60 * 60)
+        | otherwise              = Ago $ TimeAgo Day $ s `div` (60 * 60 * 24)
+        where
+        s = floor t
+
+instance SpecToEventTime UTCTime where
+    specToEventTime t = do
+        now <- getCurrentTime
+        return $ intervalToEventTime $ now `diffUTCTime` t
+    specsToEventTimes ts = do
+        now <- getCurrentTime
+        return $ fmap (\ t -> intervalToEventTime $ now `diffUTCTime` t) ts