diff options
Diffstat (limited to 'src/Text/Pandoc/Writers/HTML.hs')
| -rw-r--r-- | src/Text/Pandoc/Writers/HTML.hs | 158 |
1 files changed, 105 insertions, 53 deletions
diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs index 57bf2a349..9a26cf2ac 100644 --- a/src/Text/Pandoc/Writers/HTML.hs +++ b/src/Text/Pandoc/Writers/HTML.hs @@ -1,7 +1,7 @@ {-# LANGUAGE OverloadedStrings, CPP #-} {-# OPTIONS_GHC -fno-warn-deprecations #-} {- -Copyright (C) 2006-2010 John MacFarlane <jgm@berkeley.edu> +Copyright (C) 2006-2014 John MacFarlane <jgm@berkeley.edu> This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by @@ -20,7 +20,7 @@ Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA {- | Module : Text.Pandoc.Writers.HTML - Copyright : Copyright (C) 2006-2010 John MacFarlane + Copyright : Copyright (C) 2006-2014 John MacFarlane License : GNU GPL, version 2 or above Maintainer : John MacFarlane <jgm@berkeley.edu> @@ -39,13 +39,14 @@ import Text.Pandoc.Readers.TeXMath import Text.Pandoc.Slides import Text.Pandoc.Highlighting ( highlight, styleToCss, formatHtmlInline, formatHtmlBlock ) -import Text.Pandoc.XML (fromEntities) +import Text.Pandoc.XML (fromEntities, escapeStringForXML) +import Network.URI ( parseURIReference, URI(..) ) import Network.HTTP ( urlEncode ) import Numeric ( showHex ) import Data.Char ( ord, toLower ) import Data.List ( isPrefixOf, intersperse ) import Data.String ( fromString ) -import Data.Maybe ( catMaybes ) +import Data.Maybe ( catMaybes, fromMaybe ) import Control.Monad.State import Text.Blaze.Html hiding(contents) import Text.Blaze.Internal(preEscapedString) @@ -115,9 +116,10 @@ pandocToHtml opts (Pandoc meta blocks) = do (fmap renderHtml . blockListToHtml opts) (fmap renderHtml . inlineListToHtml opts) meta - let authsMeta = map stringify $ docAuthors meta - let dateMeta = stringify $ docDate meta - let slideLevel = maybe (getSlideLevel blocks) id $ writerSlideLevel opts + let stringifyHTML = escapeStringForXML . stringify + let authsMeta = map stringifyHTML $ docAuthors meta + let dateMeta = stringifyHTML $ docDate meta + let slideLevel = fromMaybe (getSlideLevel blocks) $ writerSlideLevel opts let sects = hierarchicalize $ if writerSlideVariant opts == NoSlides then blocks @@ -143,7 +145,11 @@ pandocToHtml opts (Pandoc meta blocks) = do MathJax url -> H.script ! A.src (toValue url) ! A.type_ "text/javascript" - $ mempty + $ case writerSlideVariant opts of + SlideousSlides -> + preEscapedString + "MathJax.Hub.Queue([\"Typeset\",MathJax.Hub]);" + _ -> mempty JsMath (Just url) -> H.script ! A.src (toValue url) ! A.type_ "text/javascript" @@ -167,7 +173,7 @@ pandocToHtml opts (Pandoc meta blocks) = do maybe id (defField "toc" . renderHtml) toc $ defField "author-meta" authsMeta $ maybe id (defField "date-meta") (normalizeDate dateMeta) $ - defField "pagetitle" (stringify $ docTitle meta) $ + defField "pagetitle" (stringifyHTML $ docTitle meta) $ defField "idprefix" (writerIdentifierPrefix opts) $ -- these should maybe be set in pandoc.hs defField "slidy-url" @@ -267,11 +273,23 @@ elementToHtml slideLevel opts (Sec level num (id',classes,keyvals) title' elemen else blockToHtml opts (Header level' (id',classes,keyvals) title') let isSec (Sec _ _ _ _ _) = True isSec (Blk _) = False + let isPause (Blk x) = x == Para [Str ".",Space,Str ".",Space,Str "."] + isPause _ = False + let fragmentClass = case writerSlideVariant opts of + RevealJsSlides -> "fragment" + _ -> "incremental" + let inDiv xs = Blk (RawBlock (Format "html") ("<div class=\"" + ++ fragmentClass ++ "\">")) : + (xs ++ [Blk (RawBlock (Format "html") "</div>")]) innerContents <- mapM (elementToHtml slideLevel opts) $ if titleSlide -- title slides have no content of their own then filter isSec elements - else elements + else if slide + then case splitBy isPause elements of + [] -> [] + (x:xs) -> x ++ concatMap inDiv xs + else elements let inNl x = mconcat $ nl opts : intersperse (nl opts) x ++ [nl opts] let classes' = ["titleslide" | titleSlide] ++ ["slide" | slide] ++ ["section" | (slide || writerSectionDivs opts) && @@ -379,7 +397,10 @@ imageExts = [ "art", "bmp", "cdr", "cdt", "cpt", "cr2", "crw", "djvu", "erf", treatAsImage :: FilePath -> Bool treatAsImage fp = - let ext = map toLower $ drop 1 $ takeExtension fp + let path = case uriPath `fmap` parseURIReference fp of + Nothing -> fp + Just up -> up + ext = map toLower $ drop 1 $ takeExtension path in null ext || ext `elem` imageExts -- | Convert Pandoc block element to HTML. @@ -400,15 +421,22 @@ blockToHtml opts (Para [Image txt (s,'f':'i':'g':':':tit)]) = do [nl opts, img, capt, nl opts] else H.div ! A.class_ "figure" $ mconcat [nl opts, img, capt, nl opts] --- . . . indicates a pause in a slideshow -blockToHtml opts (Para [Str ".",Space,Str ".",Space,Str "."]) - | writerSlideVariant opts == RevealJsSlides = - blockToHtml opts (RawBlock "html" "<div class=\"fragment\" />") blockToHtml opts (Para lst) = do contents <- inlineListToHtml opts lst return $ H.p contents -blockToHtml _ (RawBlock "html" str) = return $ preEscapedString str -blockToHtml _ (RawBlock _ _) = return mempty +blockToHtml opts (Div attr@(_,classes,_) bs) = do + contents <- blockListToHtml opts bs + let contents' = nl opts >> contents >> nl opts + return $ + if "notes" `elem` classes + then case writerSlideVariant opts of + RevealJsSlides -> addAttrs opts attr $ H5.aside $ contents' + NoSlides -> addAttrs opts attr $ H.div $ contents' + _ -> mempty + else addAttrs opts attr $ H.div $ contents' +blockToHtml _ (RawBlock f str) + | f == Format "html" = return $ preEscapedString str + | otherwise = return mempty blockToHtml opts (HorizontalRule) = return $ if writerHtml5 opts then H5.hr else H.hr blockToHtml opts (CodeBlock (id',classes,keyvals) rawCode) = do let tolhs = isEnabled Ext_literate_haskell opts && @@ -422,7 +450,10 @@ blockToHtml opts (CodeBlock (id',classes,keyvals) rawCode) = do adjCode = if tolhs then unlines . map ("> " ++) . lines $ rawCode else rawCode - case highlight formatHtmlBlock (id',classes',keyvals) adjCode of + hlCode = if writerHighlight opts -- check highlighting options + then highlight formatHtmlBlock (id',classes',keyvals) adjCode + else Nothing + case hlCode of Nothing -> return $ addAttrs opts (id',classes,keyvals) $ H.pre $ H.code $ toHtml adjCode Just h -> modify (\st -> st{ stHighlighting = True }) >> @@ -448,28 +479,22 @@ blockToHtml opts (BlockQuote blocks) = else do contents <- blockListToHtml opts blocks return $ H.blockquote $ nl opts >> contents >> nl opts -blockToHtml opts (Header level (ident,_,_) lst) = do +blockToHtml opts (Header level (_,classes,_) lst) = do contents <- inlineListToHtml opts lst secnum <- liftM stSecNum get let contents' = if writerNumberSections opts && not (null secnum) + && "unnumbered" `notElem` classes then (H.span ! A.class_ "header-section-number" $ toHtml $ showSecNum secnum) >> strToHtml " " >> contents else contents - let revealSlash = ['/' | writerSlideVariant opts == RevealJsSlides] - let contents'' = if writerTableOfContents opts && not (null ident) - then H.a ! A.href (toValue $ - '#' : revealSlash ++ - writerIdentifierPrefix opts ++ - ident) $ contents' - else contents' return $ case level of - 1 -> H.h1 contents'' - 2 -> H.h2 contents'' - 3 -> H.h3 contents'' - 4 -> H.h4 contents'' - 5 -> H.h5 contents'' - 6 -> H.h6 contents'' - _ -> H.p contents'' + 1 -> H.h1 contents' + 2 -> H.h2 contents' + 3 -> H.h3 contents' + 4 -> H.h4 contents' + 5 -> H.h5 contents' + 6 -> H.h6 contents' + _ -> H.p contents' blockToHtml opts (BulletList lst) = do contents <- mapM (blockListToHtml opts) lst return $ unordList opts contents @@ -497,7 +522,7 @@ blockToHtml opts (DefinitionList lst) = do contents <- mapM (\(term, defs) -> do term' <- if null term then return mempty - else liftM (H.dt) $ inlineListToHtml opts term + else liftM H.dt $ inlineListToHtml opts term defs' <- mapM ((liftM (\x -> H.dd $ (x >> nl opts))) . blockListToHtml opts) defs return $ mconcat $ nl opts : term' : nl opts : @@ -512,11 +537,16 @@ blockToHtml opts (Table capt aligns widths headers rows') = do let percent w = show (truncate (100*w) :: Integer) ++ "%" let coltags = if all (== 0.0) widths then mempty - else mconcat $ map (\w -> - if writerHtml5 opts - then H.col ! A.style (toValue $ "width: " ++ percent w) - else H.col ! A.width (toValue $ percent w) >> nl opts) - widths + else do + H.colgroup $ do + nl opts + mapM_ (\w -> do + if writerHtml5 opts + then H.col ! A.style (toValue $ "width: " ++ + percent w) + else H.col ! A.width (toValue $ percent w) + nl opts) widths + nl opts head' <- if all null headers then return mempty else do @@ -572,8 +602,7 @@ toListItem opts item = nl opts >> H.li item blockListToHtml :: WriterOptions -> [Block] -> State WriterState Html blockListToHtml opts lst = - mapM (blockToHtml opts) lst >>= - return . mconcat . intersperse (nl opts) + fmap (mconcat . intersperse (nl opts)) $ mapM (blockToHtml opts) lst -- | Convert list of Pandoc inline elements to HTML. inlineListToHtml :: WriterOptions -> [Inline] -> State WriterState Html @@ -587,16 +616,35 @@ inlineToHtml opts inline = (Str str) -> return $ strToHtml str (Space) -> return $ strToHtml " " (LineBreak) -> return $ if writerHtml5 opts then H5.br else H.br + (Span (id',classes,kvs) ils) + -> inlineListToHtml opts ils >>= + return . addAttrs opts attr' . H.span + where attr' = (id',classes',kvs') + classes' = filter (`notElem` ["csl-no-emph", + "csl-no-strong", + "csl-no-smallcaps"]) classes + kvs' = if null styles + then kvs + else (("style", concat styles) : kvs) + styles = ["font-style:normal;" + | "csl-no-emph" `elem` classes] + ++ ["font-weight:normal;" + | "csl-no-strong" `elem` classes] + ++ ["font-variant:normal;" + | "csl-no-smallcaps" `elem` classes] (Emph lst) -> inlineListToHtml opts lst >>= return . H.em (Strong lst) -> inlineListToHtml opts lst >>= return . H.strong - (Code attr str) -> case highlight formatHtmlInline attr str of + (Code attr str) -> case hlCode of Nothing -> return $ addAttrs opts attr $ H.code $ strToHtml str Just h -> do modify $ \st -> st{ stHighlighting = True } return $ addAttrs opts (id',[],keyvals) h - where (id',_,keyvals) = attr + where (id',_,keyvals) = attr + hlCode = if writerHighlight opts + then highlight formatHtmlInline attr str + else Nothing (Strikeout lst) -> inlineListToHtml opts lst >>= return . H.del (SmallCaps lst) -> inlineListToHtml opts lst >>= @@ -654,25 +702,27 @@ inlineToHtml opts inline = Right r -> return $ preEscapedString $ ppcElement conf r Left _ -> inlineListToHtml opts - (readTeXMath str) >>= return . + (readTeXMath' t str) >>= return . (H.span ! A.class_ "math") MathJax _ -> return $ H.span ! A.class_ "math" $ toHtml $ case t of InlineMath -> "\\(" ++ str ++ "\\)" DisplayMath -> "\\[" ++ str ++ "\\]" PlainMath -> do - x <- inlineListToHtml opts (readTeXMath str) + x <- inlineListToHtml opts (readTeXMath' t str) let m = H.span ! A.class_ "math" $ x let brtag = if writerHtml5 opts then H5.br else H.br return $ case t of InlineMath -> m DisplayMath -> brtag >> m >> brtag ) - (RawInline "latex" str) -> case writerHTMLMathMethod opts of + (RawInline f str) + | f == Format "latex" -> + case writerHTMLMathMethod opts of LaTeXMathML _ -> do modify (\st -> st {stMath = True}) return $ toHtml str _ -> return mempty - (RawInline "html" str) -> return $ preEscapedString str - (RawInline _ _) -> return mempty + | f == Format "html" -> return $ preEscapedString str + | otherwise -> return mempty (Link [Str str] (s,_)) | "mailto:" `isPrefixOf` s && s == escapeURI ("mailto" ++ str) -> -- autolink @@ -709,7 +759,9 @@ inlineToHtml opts inline = else [A.title $ toValue tit]) return $ foldl (!) H5.embed attributes -- note: null title included, as in Markdown.pl - (Note contents) -> do + (Note contents) + | writerIgnoreNotes opts -> return mempty + | otherwise -> do st <- get let notes = stNotes st let number = (length notes) + 1 @@ -724,11 +776,11 @@ inlineToHtml opts inline = writerIdentifierPrefix opts ++ "fn" ++ ref) ! A.class_ "footnoteRef" ! prefixedId opts ("fnref" ++ ref) + $ H.sup $ toHtml ref - let link' = case writerEpubVersion opts of - Just EPUB3 -> link ! customAttribute "epub:type" "noteref" - _ -> link - return $ H.sup $ link' + return $ case writerEpubVersion opts of + Just EPUB3 -> link ! customAttribute "epub:type" "noteref" + _ -> link (Cite cits il)-> do contents <- inlineListToHtml opts il let citationIds = unwords $ map citationId cits let result = H.span ! A.class_ "citation" $ contents |