Some parsing inside <pre>

[yawbih.git] / Wiki.hs

diff --git a/Wiki.hs b/Wiki.hs
index 2de6f920cde32ec3baeb96a9c8774c3299c35f92..2d394b8243d273dcd3fac82abe0c1b51e9e3d1f2 100644 (file)
--- a/Wiki.hs
+++ b/Wiki.hs
@@ -41,8 +41,8 @@ data Markup = Text String
        | Url String
        | Underline [Markup]
        | Strike [Markup]
-       | Pre String
-       | List [[Markup]]
+       | Pre [Markup]
+       | List Bool [[Markup]]
 
 type Document = [Markup]
 
@@ -60,30 +60,32 @@ pLink = do
                [] -> return (Link l l)
                _ -> return (Link l d)
 
-pList :: Parser Markup
-pList = do
-       list <- many1 $ try pListItem 
-       return (List list)
+pList :: Bool -> Parser Markup
+pList enum = do
+       list <- many1 $ try $ pListItem enum
+       return (List enum list)
 
-pListItem :: Parser [Markup]
-pListItem = do
+pListItem :: Bool -> Parser [Markup]
+pListItem enum = do
        many1 pEol
-       char '*'
+       char $ listToken enum
        many pOneLine
+
+listToken True = '#'
+listToken False = '*'
        
 pHeading :: Parser Markup      
 pHeading = do
        many1 pEol
        level <- many1 $ char '='
-       char ' '
-       s <- pStopAt (' ':level)
+       s <- pStopAt level
        return (Heading (length level) s)
 
 pURL :: Parser Markup  
 pURL = do
        proto <- many1 letter
        string "://"
-       s <- many1 (alphaNum <|> oneOf "?.:&-/")
+       s <- many1 (alphaNum <|> oneOf "?.:&-/~%=\\_")
        return (Url (proto++"://"++s))
 
 pMail :: Parser Markup
@@ -96,7 +98,7 @@ pMail = do
 
 pPre :: Parser Markup  
 pPre = string "<pre>" >> do
-       s <- pString "</pre>"
+       s <- pUntil (pOneLine <|> pEol) "</pre>"
        return (Pre s)
 
 pBold,pEmph,pUnderline,pStrike :: Parser Markup        
@@ -146,7 +148,8 @@ pUntil p xs = manyTill p (try $ string xs)
 pMain :: Parser Markup 
 pMain = choice [
        try (pHeading)
-       ,try pList
+       ,try $ pList True
+       ,try $ pList False
        ,try (pPara) 
        ,try(pPre) 
        ,try(pBold) 
@@ -241,8 +244,11 @@ toHtml ((Underline d):xs) = "<u>"++toHtml d++"</u>"++toHtml xs
 toHtml ((Strike d):xs) = "<strike>"++toHtml d++"</strike>"++toHtml xs
 toHtml ((Heading n d):xs) = "\n<h"++show n++">"++toHtml d++"</h"++show n++">\n"++toHtml xs
 toHtml ((Url l):xs) = "<link: "++l++">"++toHtml xs
-toHtml ((Pre s):xs) = "<pre>"++s++"</pre>"++toHtml xs
-toHtml ((List l):xs) = "<ul>\n"++(unlines $ map (\s -> "<li>"++toHtml s++"</li>\n") l) ++ "</ul>"++toHtml xs
+toHtml ((Pre s):xs) = "<pre>"++toHtml s++"</pre>"++toHtml xs
+toHtml ((List o l):xs) = "<"++listType o++">\n"++(unlines $ map (\s -> "<li>"++toHtml s++"</li>\n") l) ++ "</"++listType o++">"++toHtml xs
+
+listType True = "ol"
+listType False = "ul"
 
 htmlOutput s = case parse wikiParser "" s of
                                        Right n -> putStr (toHtml n)