X-Git-Url: https://ruin.nu/git/?a=blobdiff_plain;f=Wiki.hs;h=41fa15a8cd5d532b84aa03b79a97fc8fef79c017;hb=b9ff8d1cc183f8f07056efb4680b8b56556d4246;hp=ab89fff9de0e8c6a9a6e6bd834b67fd589d26c81;hpb=69ecfedf2b7e27f50f7c2cedf534a036fe16907e;p=yawbih.git

diff --git a/Wiki.hs b/Wiki.hs
index ab89fff..41fa15a 100644
--- a/Wiki.hs
+++ b/Wiki.hs
@@ -2,7 +2,7 @@ module Wiki (
 	Backend (getCurrent,getList,get,setCurrent,update)
 	,PGB
 	,createPGB
-	,Markup (Text, Paragraph, Link)
+	,Markup (Text, Paragraph, Link, Bold, Emph)
 	,Document
 	,wikiParser
 
@@ -20,7 +20,7 @@ class Backend a where
 	getList :: a -> String -> IO [(String, String, String, String)]
 
 	--Keyword -> id -> Full text
-	get :: a -> String -> String -> IO String
+	get :: a -> String -> String -> IO (Maybe String)
 
 	--Keyword -> id -> ()
 	setCurrent :: a -> String -> String -> IO Bool
@@ -31,15 +31,14 @@ class Backend a where
 data Markup = Text String
 	| Paragraph 
 	| Link String String
+	| Bold [Markup]
+	| Emph [Markup]
 
 type Document = [Markup]
 
 wikiParser :: GenParser Char st Document	
 wikiParser = do 
-	s <- (try (pPara) 
-		<|> pOneEol 
-		<|> pLinkLong
-		<|> pText)
+	s <- pMain
 	ss <- (wikiParser <|> return [])
 	return (s:ss)
 
@@ -48,8 +47,9 @@ pPara = do
 	pEol
 	return (Paragraph)
 
-pOneEol = do
-	pEol
+
+pSpace = do
+	space 
 	return (Text " ")
 
 pEol = char '\n' <|> do
@@ -58,15 +58,52 @@ pEol = char '\n' <|> do
 
 pLinkLong = do
 	string "[["
-	l <- many1 $ noneOf ['|','[',']']
+	l <- many1 $ noneOf ['|']
 	char '|'
-	d <- many1 $ noneOf ['|','[',']'] 
+	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 (noneOf ['\n','\r','[',']'])
+	t <- many1 alphaNum--(noneOf ['\n','\r','[',']'])
 	return (Text t)
 
+
 newtype PGB = PGB DBService
 
 createPGB :: String -> String -> String -> String -> IO PGB
@@ -87,7 +124,11 @@ instance Backend PGB where
 		list <- selectReturnTuples db $ "SELECT id, timestamp, author, comment from fulltexts WHERE keyword = "++tov key
 		return $ map (\[id,date,author,comment] -> (id,date,author,comment)) list
 
-	get (PGB db) key id = return ""
+	get (PGB db) key id = do
+		list <- selectReturnTuples db $ "SELECT fulltext from fulltexts WHERE id = "++tov id	
+		case list of
+			[s]:_ -> return (Just s)
+			_ -> return Nothing
 
 	setCurrent (PGB db) key id = do
 		full <- selectReturnTuples db $ "SELECT keyword FROM fulltexts WHERE keyword="++tov key++" AND id='"++id++"'"