module Hledger.Utils (
module Hledger.Utils,
module Hledger.Utils.Debug,
module Hledger.Utils.Parse,
module Hledger.Utils.Regex,
module Hledger.Utils.String,
module Hledger.Utils.Test,
module Hledger.Utils.Tree,
SystemString,fromSystemString,toSystemString,error',userError',
)
where
import Control.Monad (liftM)
import Control.Monad.IO.Class (MonadIO, liftIO)
import Data.Time.Clock
import Data.Time.LocalTime
import System.Directory (getHomeDirectory)
import System.FilePath((</>), isRelative)
import System.IO
import Hledger.Utils.Debug
import Hledger.Utils.Parse
import Hledger.Utils.Regex
import Hledger.Utils.String
import Hledger.Utils.Test
import Hledger.Utils.Tree
import Hledger.Utils.UTF8IOCompat (SystemString,fromSystemString,toSystemString,error',userError')
first3 (x,_,_) = x
second3 (_,x,_) = x
third3 (_,_,x) = x
first4 (x,_,_,_) = x
second4 (_,x,_,_) = x
third4 (_,_,x,_) = x
fourth4 (_,_,_,x) = x
first5 (x,_,_,_,_) = x
second5 (_,x,_,_,_) = x
third5 (_,_,x,_,_) = x
fourth5 (_,_,_,x,_) = x
fifth5 (_,_,_,_,x) = x
first6 (x,_,_,_,_,_) = x
second6 (_,x,_,_,_,_) = x
third6 (_,_,x,_,_,_) = x
fourth6 (_,_,_,x,_,_) = x
fifth6 (_,_,_,_,x,_) = x
sixth6 (_,_,_,_,_,x) = x
splitAtElement :: Eq a => a -> [a] -> [[a]]
splitAtElement x l =
case l of
[] -> []
e:es | e==x -> split es
es -> split es
where
split es = let (first,rest) = break (x==) es
in first : splitAtElement x rest
getCurrentLocalTime :: IO LocalTime
getCurrentLocalTime = do
t <- getCurrentTime
tz <- getCurrentTimeZone
return $ utcToLocalTime tz t
isLeft :: Either a b -> Bool
isLeft (Left _) = True
isLeft _ = False
isRight :: Either a b -> Bool
isRight = not . isLeft
applyN :: Int -> (a -> a) -> a -> a
applyN n f = (!! n) . iterate f
expandPath :: MonadIO m => FilePath -> FilePath -> m FilePath
expandPath _ "-" = return "-"
expandPath curdir p = (if isRelative p then (curdir </>) else id) `liftM` expandPath' p
where
expandPath' ('~':'/':p) = liftIO $ (</> p) `fmap` getHomeDirectory
expandPath' ('~':'\\':p) = liftIO $ (</> p) `fmap` getHomeDirectory
expandPath' ('~':_) = error' "~USERNAME in paths is not supported"
expandPath' p = return p
firstJust ms = case dropWhile (==Nothing) ms of
[] -> Nothing
(md:_) -> md
readFile' :: FilePath -> IO String
readFile' name = do
h <- openFile name ReadMode
hSetNewlineMode h universalNewlineMode
hGetContents h
maximum' :: Integral a => [a] -> a
maximum' [] = 0
maximum' xs = maximum xs