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import Text.Pandoc
import Text.Pandoc.JSON
import Control.Monad.State
import Id


{- 
 - Écrit par Hédy GIRAUDEAU
 - 27/07/17
-}
firstPara :: [Block] -> [Block]
firstPara [] = []
firstPara (p@(Para x):blocks) = [(Para x)]
firstPara (x:blocks) = (firstPara blocks)

setMignature (id, classes, mapsAttrib) = (id, "miniature":classes, mapsAttrib)


purgePara (Para (Image x y (trgt,title):_)) = (Para [(Image (setMignature x) y ("article/" ++ trgt, title))])
purgePara (Para (x:t)) = purgePara (Para t)
purgePara (Para []) = (Para [])

transformBlock cnt ( hdF@(Header 1 _ inlines) : paraF@(Para inlinesP) : blocks ) = 
    return (( (RawBlock (Format "html")
                     ( start_header )
                    ) : hdF :
           (RawBlock (Format "html")
                     ( end_header )
                    ) : purgePara(paraF) : firstPara(blocks)
             ) ++ [ (RawBlock (Format "html")
                     (end_article) )
                  ])
            where start_header = "<header>"
                  end_header = "</header><section class=\"entry-content clearfix\" >"
                  end_intro = ""
                  end_article = "</section>"



transformBlock _ x = return x


bar :: Pandoc -> IO Pandoc
bar x = do cnt <- newId
           bottomUpM (transformBlock cnt) x

main :: IO()
main = toJSONFilter bar


-- vim:set et: