Rewrote the bold parser and added emphasis

[yawbih.git] / Wiki.hs

diff --git a/Wiki.hs b/Wiki.hs
index 0b9e337da4bd7e50f7ebb266c88ca2d9c7bf6c28..41fa15a8cd5d532b84aa03b79a97fc8fef79c017 100644 (file)
--- a/Wiki.hs
+++ b/Wiki.hs
@@ -2,7 +2,7 @@ module Wiki (
        Backend (getCurrent,getList,get,setCurrent,update)
        ,PGB
        ,createPGB
-       ,Markup (Text, Paragraph, Link, Bold)
+       ,Markup (Text, Paragraph, Link, Bold, Emph)
        ,Document
        ,wikiParser
 
@@ -32,17 +32,13 @@ 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) 
-               <|> pSpace 
-               <|> try (pLinkLong)
-               <|> try (pLink)
-               <|> pOtherChar
-               <|> pText)
+       s <- pMain
        ss <- (wikiParser <|> return [])
        return (s:ss)
 
@@ -68,18 +64,39 @@ pLinkLong = do
        string "]]"
        return (Link l d)
 
-pBold = do
-       string "'''"
-       s <- wikiParser
-       return (Bold s)
-
 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 ",;.:!?[]()\'\"=-%$£<>/\\|"
+       c <- oneOf "*,;.:!?[]()'\"=-%$£<>/\\|"
        return (Text (c:[]))
 
 pText = do