+data Markup = Text String
+ | Paragraph
+ | Link String String
+ | Bold [Markup]
+ | Emph [Markup]
+
+type Document = [Markup]
+
+wikiParser :: GenParser Char st Document
+wikiParser = do
+ s <- pMain
+ ss <- (wikiParser <|> return [])
+ return (s:ss)
+
+pPara = do
+ pEol
+ pEol
+ return (Paragraph)
+
+
+pSpace = do
+ space
+ return (Text " ")
+
+pEol = char '\n' <|> do
+ char '\r'
+ char '\n'
+
+pLinkLong = do
+ string "[["
+ l <- many1 $ noneOf ['|']
+ char '|'
+ d <- many1 $ noneOf "]"
+ string "]]"
+ return (Link l d)
+
+pLink = do
+ string "[["
+ l <- many1 $ noneOf "]"
+ string "]]"
+ return (Link l l)
+
+pBold = do
+ string "**"
+ s <- pStringParser "**"
+ return (Bold s)
+
+pEmph = do
+ string "//"
+ s <- pStringParser "//"
+ return (Emph s)
+
+pStringParser xs = do
+ (string xs >> return []) <|> (do
+ s <- pMain
+ ss <- pStringParser xs
+ return (s:ss))
+
+pMain = (try (pPara)
+ <|> pSpace
+ <|> try(pBold)
+ <|> try(pEmph)
+ <|> try (pLinkLong)
+ <|> try (pLink)
+ <|> pOtherChar
+ <|> pText)
+
+pOtherChar = do
+ c <- oneOf "*,;.:!?[]()'\"=-%$£<>/\\|"
+ return (Text (c:[]))
+
+pText = do
+ t <- many1 alphaNum--(noneOf ['\n','\r','[',']'])
+ return (Text t)
+
+