module Main where
-import CGI hiding (div, head, map, span)
+import CGI hiding (div, head, map, span, Text)
import RawCGIInternal
import CGIOutput
import CGITypes
import System
import Wiki
+import Text.ParserCombinators.Parsec
+
testDB = createPGB "wave" "wiki" "wiki" "12wiki34db"
--main = start [] cgi
case s of
Nothing -> text "No text added for this keyword"
Just (full, date) -> do
- text full
+ case parse wikiParser "" full of
+ Right n -> ex n
+ Left e -> do
+ text "PARSE ERROR: "
+ text (show e)
+ p $ text full
p $ text $ "Last edited: "++date
footer db key
footer db key = do
hr empty
submit0 (editPage db key) (attr "value" "Edit")
- --address (hlink (URL {unURL = ("wiki?"++key++"+edit")}) (text "Edit this page") )
+ --address (hlink (URL {unURL = ("wiki?"++key++"+edit")}) (text "Edit this page")
+
+ex [] = return ()
+ex ((Paragraph):xs) = do
+ p empty
+ ex xs
+ex ((Text s):xs) = do
+ text s
+ ex xs
+ex ((Link l d):xs) = do
+ hlink (URL {unURL = ("wiki?"++l)}) (text d)
+ ex xs
+
+ex2 [] = []
+ex2 ((Paragraph):xs) = "<p>"++ex2 xs
+ex2 ((Text s):xs) = s++ex2 xs
+ex2 ((Link l d):xs) = "<link: "++l++" desc: "++d++">"++ex2 xs
+
+
+test s = case parse wikiParser "" s of
+ Right n -> do
+ print (ex2 n)
+ Left e -> do
+ print e
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)
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