. -- Assumes notes are sorted. footnoteSection :: WriterOptions -> [Block] -> Html footnoteSection opts notes = if null notes then noHtml else thediv ! [theclass "footnotes"] $ hr +++ (olist $ toHtmlFromList $ map (blockToHtml opts) notes) -- | Obfuscate a "mailto:" link using Javascript. obfuscateLink :: WriterOptions -> [Inline] -> String -> Html obfuscateLink opts txt src = let emailRegex = mkRegex "mailto:*([^@]*)@(.*)" text' = show $ inlineListToHtml opts txt src' = map toLower src in case (matchRegex emailRegex src') of (Just [name, domain]) -> let domain' = substitute "." " dot " domain at' = obfuscateChar '@' linkText = if src' == ("mailto:" ++ text') then "e" else "'" ++ text' ++ "'" altText = if src' == ("mailto:" ++ text') then name ++ " at " ++ domain' else text' ++ " (" ++ name ++ " at " ++ domain' ++ ")" in if writerStrictMarkdown opts then -- need to use primHtml or &'s are escaped to & in URL primHtml $ "" ++ (obfuscateString text') ++ "" else (script ! [thetype "text/javascript"] $ primHtml ("\n\n")) +++ noscript (primHtml $ obfuscateString altText) _ -> anchor ! [href src] $ inlineListToHtml opts txt -- malformed email -- | Obfuscate character as entity. obfuscateChar :: Char -> String obfuscateChar char = let num = ord char in let numstr = if even num then (show num) else ("x" ++ (showHex num "")) in "&#" ++ numstr ++ ";" -- | Obfuscate string using entities. obfuscateString :: String -> String obfuscateString = concatMap obfuscateChar -- | Convert Pandoc block element to HTML. blockToHtml :: WriterOptions -> Block -> Html blockToHtml opts Blank = noHtml blockToHtml opts Null = noHtml blockToHtml opts (Plain lst) = inlineListToHtml opts lst blockToHtml opts (Para lst) = paragraph $ inlineListToHtml opts lst blockToHtml opts (BlockQuote blocks) = if (writerS5 opts) then -- in S5, treat list in blockquote specially -- if default is incremental, make it nonincremental; -- otherwise incremental let inc = not (writerIncremental opts) in case blocks of [BulletList lst] -> blockToHtml (opts {writerIncremental = inc}) (BulletList lst) [OrderedList lst] -> blockToHtml (opts {writerIncremental = inc}) (OrderedList lst) otherwise -> blockquote $ toHtmlFromList $ map (blockToHtml opts) blocks else blockquote $ toHtmlFromList $ map (blockToHtml opts) blocks blockToHtml opts (Note ref lst) = let contents = toHtmlFromList $ map (blockToHtml opts) lst backlink = anchor ! [href ("#fnref" ++ ref), theclass "footnoteBacklink", title ("Jump back to footnote " ++ ref)] $ (primHtmlChar "#8617") in li ! [identifier ("fn" ++ ref)] $ contents +++ backlink blockToHtml opts (Key _ _) = noHtml blockToHtml opts (CodeBlock str) = pre $ thecode << (str ++ "\n") -- the final \n for consistency with Markdown.pl blockToHtml opts (RawHtml str) = primHtml str blockToHtml opts (BulletList lst) = let attribs = if writerIncremental opts then [theclass "incremental"] else [] in unordList ! attribs $ map (blockListToHtml opts) lst blockToHtml opts (OrderedList lst) = let attribs = if writerIncremental opts then [theclass "incremental"] else [] in ordList ! attribs $ map (blockListToHtml opts) lst blockToHtml opts (DefinitionList lst) = let attribs = if writerIncremental opts then [theclass "incremental"] else [] in defList ! attribs $ map (\(term, def) -> (inlineListToHtml opts term, blockListToHtml opts def)) lst blockToHtml opts HorizontalRule = hr blockToHtml opts (Header level lst) = let contents = inlineListToHtml opts lst in case level of 1 -> h1 contents 2 -> h2 contents 3 -> h3 contents 4 -> h4 contents 5 -> h5 contents 6 -> h6 contents _ -> paragraph contents blockToHtml opts (Table capt aligns widths headers rows) = let alignStrings = map alignmentToString aligns captionDoc = if null capt then noHtml else caption $ inlineListToHtml opts capt in table $ captionDoc +++ (colHeadsToHtml opts alignStrings widths headers) +++ (toHtmlFromList $ map (tableRowToHtml opts alignStrings) rows) colHeadsToHtml opts alignStrings widths headers = let heads = zipWith3 (\align width item -> tableItemToHtml opts th align width item) alignStrings widths headers in tr $ toHtmlFromList heads alignmentToString alignment = case alignment of AlignLeft -> "left" AlignRight -> "right" AlignCenter -> "center" AlignDefault -> "left" tableRowToHtml opts aligns cols = tr $ toHtmlFromList $ zipWith3 (tableItemToHtml opts td) aligns (repeat 0) cols tableItemToHtml opts tag align' width item = let attrib = [align align'] ++ if (width /= 0) then [thestyle ("{width: " ++ show (truncate (100*width)) ++ "%;}")] else [] in tag ! attrib $ toHtmlFromList $ map (blockToHtml opts) item blockListToHtml :: WriterOptions -> [Block] -> Html blockListToHtml opts list = toHtmlFromList $ map (blockToHtml opts) list -- | Convert list of Pandoc inline elements to HTML. inlineListToHtml :: WriterOptions -> [Inline] -> Html inlineListToHtml opts lst = toHtmlFromList $ map (inlineToHtml opts) lst -- | Convert Pandoc inline element to HTML. inlineToHtml :: WriterOptions -> Inline -> Html inlineToHtml opts (Emph lst) = emphasize $ inlineListToHtml opts lst inlineToHtml opts (Strong lst) = strong $ inlineListToHtml opts lst inlineToHtml opts (Code str) = thecode << str inlineToHtml opts (Quoted SingleQuote lst) = primHtmlChar "lsquo" +++ inlineListToHtml opts lst +++ primHtmlChar "rsquo" inlineToHtml opts (Quoted DoubleQuote lst) = primHtmlChar "ldquo" +++ inlineListToHtml opts lst +++ primHtmlChar "rdquo" inlineToHtml opts EmDash = primHtmlChar "mdash" inlineToHtml opts EnDash = primHtmlChar "ndash" inlineToHtml opts Ellipses = primHtmlChar "hellip" inlineToHtml opts Apostrophe = primHtmlChar "rsquo" inlineToHtml opts (Str str) = stringToHtml str inlineToHtml opts (TeX str) = stringToHtml str inlineToHtml opts (HtmlInline str) = primHtml str inlineToHtml opts (LineBreak) = br inlineToHtml opts Space = stringToHtml " " inlineToHtml opts (Link txt (Src src tit)) = if (isPrefixOf "mailto:" src) then obfuscateLink opts txt src else anchor ! ([href src] ++ if null tit then [] else [title tit]) $ inlineListToHtml opts txt inlineToHtml opts (Link txt (Ref ref)) = '[' +++ (inlineListToHtml opts txt) +++ ']' +++ '[' +++ (inlineListToHtml opts ref) +++ ']' -- this is what markdown does, for better or worse inlineToHtml opts (Image alttext (Src source tit)) = let alternate = renderHtmlFragment $ inlineListToHtml opts alttext in image ! ([src source, title tit] ++ if null alttext then [] else [alt alternate]) -- note: null title is included, as in Markdown.pl inlineToHtml opts (Image alternate (Ref ref)) = '!' +++ inlineToHtml opts (Link alternate (Ref ref)) inlineToHtml opts (NoteRef ref) = anchor ! [href ("#fn" ++ ref), theclass "footnoteRef", identifier ("fnref" ++ ref)] << sup << ref