Browse code
moving stuff around
Ed L authored on 27/04/2013 02:54:38Showing 1 changed files
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deleted file mode 100644 |
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-{-# LANGUAGE DeriveDataTypeable, RecordWildCards #-}
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- |
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-import System.IO |
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-import System.Process |
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-import System.Environment |
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-import System.Console.CmdArgs |
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- |
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-import Control.Concurrent |
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- |
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-import qualified Control.Exception as Exception |
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-import Control.Monad |
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-import Control.Monad.ST |
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-import Control.Monad.Trans |
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-import Control.Monad.IO.Class |
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-import Data.STRef |
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- |
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-import qualified UI.HSCurses.Curses as HSCurses |
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-import qualified UI.HSCurses.CursesHelper as HSCursesHelper |
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- |
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-a = runST $ do |
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- n <- newSTRef 0 |
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- x <- readSTRef n |
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- return x |
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- |
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-mvWAddStr2 w y x s = do |
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- (rows, cols) <- HSCurses.scrSize |
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- when ((y >= 0) && (x >=0) && (x < cols) && (y < rows)) $ do |
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- let space = (cols - x) |
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- let s2 = take space s |
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- HSCurses.mvWAddStr w y x s2 |
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- |
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-dispatch :: HSCurses.Key -> IO () |
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-dispatch kc = undefined |
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- |
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-b lim filein cols infinitep = do |
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- n <- stToIO $ newSTRef 1 |
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- e <- forever $ do |
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- x <- stToIO $ readSTRef n |
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- |
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- eofp <- hIsEOF filein |
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- if eofp |
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- then do |
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- if infinitep |
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- then do threadDelay 100 |
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- else do threadDelay 100 |
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- else do |
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- line <- hGetLine filein |
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- |
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- mvWAddStr2 HSCurses.stdScr ( (x`mod`lim) - 1) 0 $ replicate (cols+1) ' ' |
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- mvWAddStr2 HSCurses.stdScr ( (x`mod`lim) - 1) 0 $ (show x) ++ (' ':line)
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- |
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- let marker = "--- break ---" |
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- div = marker ++ (replicate (cols - (length marker)+1) '-') |
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- in mvWAddStr2 HSCurses.stdScr ( ((x+1)`mod`lim) - 1) 0 $ div |
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- |
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- if infinitep && ( (x+1) `mod` lim == 0) |
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- then do |
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- kc <- HSCurses.getCh |
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- -- dispatch kc |
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- return () |
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- else |
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- return () |
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- |
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- stToIO $ writeSTRef n (x+1) |
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- HSCurses.refresh |
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- return () |
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- |
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-allocate = do |
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- HSCurses.initCurses |
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- hasColors <- HSCurses.hasColors |
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- if hasColors |
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- then do |
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- HSCurses.startColor |
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- HSCurses.initPair |
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- (HSCurses.Pair 1) |
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- (HSCursesHelper.black) |
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- (HSCursesHelper.white) |
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- return () |
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- else |
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- return () |
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- |
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- |
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-deallocate = do |
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- HSCurses.endWin |
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- |
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-work enc run infinitep = do |
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- let (runprog:args) = run |
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- (rows, cols) <- HSCurses.scrSize |
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- (_, Just hout, _, _) <- |
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- createProcess (proc runprog args) {
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- std_out=CreatePipe |
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- } |
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- |
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- -- enc <- mkTextEncoding "ISO-8859-1" |
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- enc <- mkTextEncoding enc |
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- hSetEncoding hout enc |
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- |
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- b rows hout cols infinitep |
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- return () |
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- |
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- |
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-data MyOptions = MyOptions {
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- infinite :: Bool, |
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- run :: [String], |
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- encoding :: String |
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-} deriving (Data, Typeable, Show, Eq) |
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- |
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-myProgOpts :: MyOptions |
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-myProgOpts = MyOptions {
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- infinite = def &= name "i", |
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- encoding = "UTF-8" &= name "e", |
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- run = def &= args |
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-} |
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- |
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-getOpts :: IO MyOptions |
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-getOpts = cmdArgs $ myProgOpts |
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- |
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-main = do |
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- args <- getArgs |
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- opts <- getOpts |
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- optionHandler opts |
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- |
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-optionHandler :: MyOptions -> IO () |
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-optionHandler opts@MyOptions{..} = do
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- Exception.bracket_ allocate deallocate (work encoding run infinite) |
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- |
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- |