Files
gf-core/src/GF/Shell/TeachYourself.hs
2007-03-14 12:11:18 +00:00

88 lines
2.7 KiB
Haskell

----------------------------------------------------------------------
-- |
-- Module : TeachYourself
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/04/21 16:46:13 $
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.7 $
--
-- translation and morphology quiz. AR 10\/5\/2000 -- 12\/4\/2002
-----------------------------------------------------------------------------
module GF.Shell.TeachYourself where
import GF.Compile.ShellState
import GF.API
import GF.UseGrammar.Linear
import GF.Grammar.PrGrammar
import GF.Infra.Option
import GF.System.Arch (myStdGen)
import GF.Data.Operations
import GF.Infra.UseIO
import System.Random --- (randoms) --- bad import for hbc
import System
-- translation and morphology quiz. AR 10/5/2000 -- 12/4/2002
teachTranslation :: Options -> GFGrammar -> GFGrammar -> IO ()
teachTranslation opts ig og = do
tts <- transTrainList opts ig og infinity
let qas = [ (q, mkAnswer as) | (q,as) <- tts]
teachDialogue qas "Welcome to GF Translation Quiz."
transTrainList ::
Options -> GFGrammar -> GFGrammar -> Integer -> IO [(String,[String])]
transTrainList opts ig og number = do
ts <- randomTreesIO (addOption beSilent opts) ig (fromInteger number)
return $ map mkOne $ ts
where
cat = firstCatOpts opts ig
mkOne t = (norml (linearize ig t),map (norml . linearize og) (homonyms ig cat t))
teachMorpho :: Options -> GFGrammar -> IO ()
teachMorpho opts ig = useIOE () $ do
tts <- morphoTrainList opts ig infinity
let qas = [ (q, mkAnswer as) | (q,as) <- tts]
ioeIO $ teachDialogue qas "Welcome to GF Morphology Quiz."
morphoTrainList :: Options -> GFGrammar -> Integer -> IOE [(String,[String])]
morphoTrainList opts ig number = do
ts <- ioeIO $ randomTreesIO (addOption beSilent opts) ig (fromInteger number)
gen <- ioeIO $ myStdGen (fromInteger number)
mkOnes gen ts
where
mkOnes gen (t:ts) = do
psss <- ioeErr $ allLinTables True gr cnc t
let pss = concat $ map snd $ concat psss
let (i,gen') = randomR (0, length pss - 1) gen
(ps,ss) <- ioeErr $ pss !? i
(_,ss0) <- ioeErr $ pss !? 0
let bas = unwords ss0 --- concat $ take 1 ss0
more <- mkOnes gen' ts
return $ (bas +++ ":" +++ unwords (map prt_ ps), return (unwords ss)) : more
mkOnes gen [] = return []
gr = grammar ig
cnc = cncId ig
-- | compare answer to the list of right answers, increase score and give feedback
mkAnswer :: [String] -> String -> (Integer, String)
mkAnswer as s = if (elem (norml s) as)
then (1,"Yes.")
else (0,"No, not" +++ s ++ ", but" ++++ unlines as)
norml :: String -> String
norml = unwords . words
-- | the maximal number of precompiled quiz problems
infinity :: Integer
infinity = 123