diff options
| -rw-r--r-- | src/Text/Pandoc/Writers/HTML.hs | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/src/Text/Pandoc/Writers/HTML.hs b/src/Text/Pandoc/Writers/HTML.hs index 9ead604d7..8106806cf 100644 --- a/src/Text/Pandoc/Writers/HTML.hs +++ b/src/Text/Pandoc/Writers/HTML.hs @@ -60,6 +60,8 @@ import qualified Text.Blaze.XHtml1.Transitional.Attributes as A import Text.Blaze.Renderer.String (renderHtml) import Text.TeXMath import Text.XML.Light.Output +import Text.XML.Light (unode, elChildren, add_attr, unqual) +import qualified Text.XML.Light as XML import System.FilePath (takeExtension) import Data.Monoid import Data.Aeson (Value) @@ -615,6 +617,18 @@ inlineListToHtml :: WriterOptions -> [Inline] -> State WriterState Html inlineListToHtml opts lst = mapM (inlineToHtml opts) lst >>= return . mconcat +-- | Annotates a MathML expression with the tex source +annotateMML :: XML.Element -> String -> XML.Element +annotateMML e tex = math (unode "semantics" [cs, unode "annotation" (annotAttrs, tex)]) + where + cs = case elChildren e of + [] -> unode "mrow" () + [x] -> x + xs -> unode "mrow" xs + math = add_attr (XML.Attr (unqual "xmlns") "http://www.w3.org/1998/Math/MathML") . unode "math" + annotAttrs = [XML.Attr (unqual "encoding") "application/x-tex"] + + -- | Convert Pandoc inline element to HTML. inlineToHtml :: WriterOptions -> Inline -> State WriterState Html inlineToHtml opts inline = @@ -706,7 +720,7 @@ inlineToHtml opts inline = defaultConfigPP case writeMathML dt <$> readTeX str of Right r -> return $ preEscapedString $ - ppcElement conf r + ppcElement conf (annotateMML r str) Left _ -> inlineListToHtml opts (texMathToInlines t str) >>= return . (H.span ! A.class_ "math") |