X-Git-Url: https://ruin.nu/git/?p=yawbih.git;a=blobdiff_plain;f=Wiki.hs;h=ab89fff9de0e8c6a9a6e6bd834b67fd589d26c81;hp=d6ece0dc5f4d94829dd09bfd86f657be3927f781;hb=69ecfedf2b7e27f50f7c2cedf534a036fe16907e;hpb=a3c05f5d3f4be5f28a3eae7739f138a07fa263ad diff --git a/Wiki.hs b/Wiki.hs index d6ece0d..ab89fff 100644 --- a/Wiki.hs +++ b/Wiki.hs @@ -2,11 +2,15 @@ module Wiki ( Backend (getCurrent,getList,get,setCurrent,update) ,PGB ,createPGB + ,Markup (Text, Paragraph, Link) + ,Document + ,wikiParser ) where import Dbconnect import Data.Char +import Text.ParserCombinators.Parsec class Backend a where --Keyword -> (Full text,date) @@ -25,11 +29,44 @@ class Backend a where update :: a -> String -> String -> String -> String -> IO String data Markup = Text String - | Bold String - | Paragraph [Markup] + | Paragraph + | Link String String type Document = [Markup] +wikiParser :: GenParser Char st Document +wikiParser = do + s <- (try (pPara) + <|> pOneEol + <|> pLinkLong + <|> pText) + ss <- (wikiParser <|> return []) + return (s:ss) + +pPara = do + pEol + pEol + return (Paragraph) + +pOneEol = do + pEol + 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) +pText = do + t <- many1 (noneOf ['\n','\r','[',']']) + return (Text t) + newtype PGB = PGB DBService createPGB :: String -> String -> String -> String -> IO PGB