diff options
Diffstat (limited to 'src/Text')
| -rw-r--r-- | src/Text/Pandoc/Writers/Markdown.hs | 62 |
1 files changed, 44 insertions, 18 deletions
diff --git a/src/Text/Pandoc/Writers/Markdown.hs b/src/Text/Pandoc/Writers/Markdown.hs index 1fe71c973..daf3617d8 100644 --- a/src/Text/Pandoc/Writers/Markdown.hs +++ b/src/Text/Pandoc/Writers/Markdown.hs @@ -1086,28 +1086,38 @@ inlineToMarkdown _ (Superscript []) = return empty inlineToMarkdown opts (Superscript lst) = local (\env -> env {envEscapeSpaces = True}) $ do contents <- inlineListToMarkdown opts lst - return $ if isEnabled Ext_superscript opts - then "^" <> contents <> "^" - else if isEnabled Ext_raw_html opts - then "<sup>" <> contents <> "</sup>" - else - let rendered = render Nothing contents - in case mapM toSuperscript (T.unpack rendered) of - Just r -> literal $ T.pack r - Nothing -> literal $ "^(" <> rendered <> ")" + if isEnabled Ext_superscript opts + then return $ "^" <> contents <> "^" + else if isEnabled Ext_raw_html opts + then return $ "<sup>" <> contents <> "</sup>" + else + case traverse toSuperscriptInline lst of + Just xs' | not (writerPreferAscii opts) + -> inlineListToMarkdown opts xs' + _ -> do + let rendered = render Nothing contents + return $ + case mapM toSuperscript (T.unpack rendered) of + Just r -> literal $ T.pack r + Nothing -> literal $ "^(" <> rendered <> ")" inlineToMarkdown _ (Subscript []) = return empty inlineToMarkdown opts (Subscript lst) = local (\env -> env {envEscapeSpaces = True}) $ do contents <- inlineListToMarkdown opts lst - return $ if isEnabled Ext_subscript opts - then "~" <> contents <> "~" - else if isEnabled Ext_raw_html opts - then "<sub>" <> contents <> "</sub>" - else - let rendered = render Nothing contents - in case mapM toSubscript (T.unpack rendered) of - Just r -> literal $ T.pack r - Nothing -> literal $ "_(" <> rendered <> ")" + if isEnabled Ext_subscript opts + then return $ "~" <> contents <> "~" + else if isEnabled Ext_raw_html opts + then return $ "<sub>" <> contents <> "</sub>" + else + case traverse toSubscriptInline lst of + Just xs' | not (writerPreferAscii opts) + -> inlineListToMarkdown opts xs' + _ -> do + let rendered = render Nothing contents + return $ + case mapM toSuperscript (T.unpack rendered) of + Just r -> literal $ T.pack r + Nothing -> literal $ "_(" <> rendered <> ")" inlineToMarkdown opts (SmallCaps lst) = do plain <- asks envPlain if not plain && @@ -1332,3 +1342,19 @@ lineBreakToSpace :: Inline -> Inline lineBreakToSpace LineBreak = Space lineBreakToSpace SoftBreak = Space lineBreakToSpace x = x + +toSubscriptInline :: Inline -> Maybe Inline +toSubscriptInline Space = Just Space +toSubscriptInline (Span attr ils) = Span attr <$> traverse toSubscriptInline ils +toSubscriptInline (Str s) = Str . T.pack <$> traverse toSubscript (T.unpack s) +toSubscriptInline LineBreak = Just LineBreak +toSubscriptInline SoftBreak = Just SoftBreak +toSubscriptInline _ = Nothing + +toSuperscriptInline :: Inline -> Maybe Inline +toSuperscriptInline Space = Just Space +toSuperscriptInline (Span attr ils) = Span attr <$> traverse toSuperscriptInline ils +toSuperscriptInline (Str s) = Str . T.pack <$> traverse toSuperscript (T.unpack s) +toSuperscriptInline LineBreak = Just LineBreak +toSuperscriptInline SoftBreak = Just SoftBreak +toSuperscriptInline _ = Nothing |