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gf-core/src/GF/UseGrammar/Treebank.hs
2006-03-02 17:19:36 +00:00

143 lines
4.4 KiB
Haskell

----------------------------------------------------------------------
-- |
-- Module : Treebank
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- Generate multilingual treebanks. AR 8\/2\/2006
--
-- (c) Aarne Ranta 2006 under GNU GPL
--
-- Purpose: to generate treebanks.
-----------------------------------------------------------------------------
module GF.UseGrammar.Treebank (
mkTreebank,
testTreebank,
treesTreebank,
getTreebank,
lookupTreebank,
pre2treebank
) where
import GF.Compile.ShellState
import GF.UseGrammar.Linear (linTree2string)
import GF.UseGrammar.Custom
import GF.UseGrammar.GetTree (string2tree)
import GF.Grammar.TypeCheck (annotate)
import GF.Canon.CMacros (noMark)
import GF.Grammar.Grammar (Trm)
import GF.Grammar.MMacros (exp2tree)
import GF.Grammar.Macros (zIdent)
import GF.Grammar.PrGrammar (prt_)
import GF.Grammar.Values (tree2exp)
import GF.Data.Operations
import GF.Infra.Option
import qualified GF.Grammar.Abstract as A
import qualified Data.Map as M
-- Generate a treebank with a multilingual grammar. AR 8/2/2006
-- (c) Aarne Ranta 2006 under GNU GPL
-- | the main functions
mkTreebank :: Options -> ShellState -> String -> [A.Tree] -> Res
mkTreebank opts sh com trees = putInXML opts "treebank" comm (concatMap mkItem tris)
where
mkItem(t,i)= putInXML opts "item" (cat i) (mkTree t ++ concatMap (mkLin t) langs)
-- mkItem(t,i)= putInXML opts "item" (cat i) (mkTree t >>mapM_ (mkLin t) langs)
mkTree t = putInXML opts "tree" [] (puts $ showTree t)
mkLin t lg = putInXML opts "lin" (lang lg) (puts $ linearize sh lg t)
langs = [prt_ l | l <- allLanguages sh]
comm = "" --- " command=" ++ show com +++ "abstract=" ++ show abstr
abstr = "" --- "Abs" ----
cat i = " number=" ++ show (show i) --- " cat=" ++ show "S" ----
lang lg = " lang=" ++ show (prt_ (zIdent lg))
tris = zip trees [1..]
testTreebank :: Options -> ShellState -> String -> Res
testTreebank opts sh = putInXML opts "testtreebank" [] .
concatMap testOne .
getTreebanks . lines
where
testOne (e,lang,str0) = do
let tr = annot gr e
let str = linearize sh lang tr
if str == str0 then ret else putInXML opts "diff" [] $ concat [
putInXML opts "tree" [] (puts $ showTree tr),
putInXML opts "old" (" lang=" ++ show (prt_ (zIdent lang))) $ puts str0,
putInXML opts "new" (" lang=" ++ show (prt_ (zIdent lang))) $ puts str
]
gr = firstStateGrammar sh
treesTreebank :: Options -> String -> [String]
treesTreebank _ = terms . getTreebank . lines where
terms ts = [t | (t,_) <- ts]
-- string vs. IO
type Res = [String] -- IO ()
puts :: String -> Res
puts = return -- putStrLn
ret = [] -- return ()
--
type PreTreebank = [(String,[(String,String)])]
getTreebanks :: [String] -> [(String,String,String)]
getTreebanks = concatMap grps . getTreebank where
grps (t,lls) = [(t,x,y) | (x,y) <- lls]
getTreebank :: [String] -> PreTreebank
getTreebank ll = case ll of
l:ls@(_:_:_) ->
let (l1,l2) = getItem ls
(tr,lins) = getTree l1
lglins = getLins lins
in (tr,lglins) : getTreebank l2
_ -> []
where
getItem = span ((/="</item") . take 6)
getTree (_:ss) =
let (t1,t2) = span ((/="</tree") . take 6) ss in (last t1, drop 1 t2)
getLins (beg:str:end:ss) = (getLang beg, str):getLins ss
getLins _ = []
getLang = takeWhile (/='"') . tail . dropWhile (/='"')
lookupTreebank :: Treebank -> String -> [(String,String)]
lookupTreebank tb s = maybe [] id $ M.lookup s tb
pre2treebank :: PreTreebank -> Treebank
pre2treebank tb = M.fromListWith (++) [(s,[(l,t)]) | (t,ls) <- tb, (l,s) <- ls]
annot :: StateGrammar -> String -> A.Tree
annot gr s = errVal (error "illegal tree") $ do
let t = tree2exp $ string2tree gr s
annotate (grammar gr) t
putInXML :: Options -> String -> String -> Res -> Res
putInXML opts tag attrs io =
(ifXML $ puts $ tagXML $ tag ++ attrs) ++
io ++
(ifXML $ puts $ tagXML $ '/':tag)
where
ifXML c = if oElem showXML opts then c else []
tagXML :: String -> String
tagXML s = "<" ++ s ++ ">"
--- these handy functions are borrowed from EmbedAPI
linearize mgr lang =
untok .
linTree2string noMark (canModules mgr) (zIdent lang)
where
sgr = stateGrammarOfLangOpt False mgr (zIdent lang)
untok = customOrDefault (stateOptions sgr) useUntokenizer customUntokenizer sgr
showTree t = prt_ $ tree2exp t