module MediaWiki.API.Query.Links.Import where
import MediaWiki.API.Types
import MediaWiki.API.Utils
import MediaWiki.API.Query.Links
import Text.XML.Light.Types
import Control.Monad
import Data.Maybe
stringXml :: String -> Either (String,[String]) LinksResponse
stringXml s = parseDoc xml s
xml :: Element -> Maybe LinksResponse
xml e = do
guard (elName e == nsName "api")
let es1 = children e
p <- pNode "query" es1
let es = children p
ps <- fmap (mapMaybe xmlPage) (fmap children $ pNode "pages" es)
let cont = pNode "query-continue" es1 >>= xmlContinue "langlinks" "llcontinue"
return emptyLinksResponse
{ plPages = ps
, plContinue = cont
}
xmlPage :: Element -> Maybe (PageTitle,[PageTitle])
xmlPage e = do
guard (elName e == nsName "page")
let pid = fmap read $ pAttr "pageid" e
let ns = fromMaybe mainNamespace $ pAttr "ns" e
let tit = fromMaybe "" $ pAttr "title" e
let es = children e
ls <- fmap (mapMaybe xmlPageLink) (fmap children $ pNode "links" es)
let pg = emptyPageTitle{pgNS=ns,pgMbId=pid,pgTitle=tit}
return (pg,ls)
xmlPageLink :: Element -> Maybe PageTitle
xmlPageLink e = do
guard (elName e == nsName "pl")
let ns = fromMaybe mainNamespace $ pAttr "ns" e
let tit = fromMaybe "" $ pAttr "title" e
let pid = pAttr "pageid" e
return emptyPageTitle{pgNS=ns,pgTitle=tit,pgMbId=pid}