module Main where

import Text.TeXMath
import Text.XML.Light

import System.IO

inHtml :: Element -> Element
inHtml x =
  add_attr (Attr (unqual "xmlns") "http://www.w3.org/1999/xhtml") $
  unode "html"
    [ unode "head" $
        add_attr (Attr (unqual "content") "application/xhtml+xml; charset=UTF-8") $
        add_attr (Attr (unqual "http-equiv") "Content-Type") $
        unode "meta" ()
    , unode "body" x ]

main :: IO ()
main = do
  inp <- getContents
  case (texMathToMathML DisplayBlock $! inp) of
       Left err         -> hPutStrLn stderr err
       Right v          -> putStr . ppTopElement . inHtml $ v