diff options
Diffstat (limited to 'src/Text/Pandoc/Readers')
| -rw-r--r-- | src/Text/Pandoc/Readers/HTML.hs | 210 |
1 files changed, 129 insertions, 81 deletions
diff --git a/src/Text/Pandoc/Readers/HTML.hs b/src/Text/Pandoc/Readers/HTML.hs index cc60b5501..47856d2f7 100644 --- a/src/Text/Pandoc/Readers/HTML.hs +++ b/src/Text/Pandoc/Readers/HTML.hs @@ -159,29 +159,65 @@ pHead = pInTags "head" $ pTitle <|> pMetaTag <|> pBaseTag <|> (mempty <$ pAny) block :: PandocMonad m => TagParser m Blocks block = do - res <- choice - [ eSection - , eSwitch B.para block - , mempty <$ eFootnote - , mempty <$ eTOC - , mempty <$ eTitlePage - , pPara - , pHeader - , pBlockQuote - , pCodeBlock - , pList - , pHrule - , pTable block - , pHtml - , pHead - , pBody - , pLineBlock - , pDiv - , pPlain - , pFigure - , pIframe - , pRawHtmlBlock - ] + exts <- getOption readerExtensions + tag <- lookAhead pAny + res <- + (case tag of + TagOpen name attr -> + let type' = fromMaybe "" $ + lookup "type" attr <|> lookup "epub:type" attr + epubExts = extensionEnabled Ext_epub_html_exts exts + in + case name of + _ | name `elem` sectioningContent + , epubExts + , "chapter" `T.isInfixOf` type' + -> eSection + _ | epubExts + , type' `elem` ["footnote", "rearnote"] + -> mempty <$ eFootnote + _ | epubExts + , type' == "toc" + -> mempty <$ eTOC + _ | "titlepage" `T.isInfixOf` type' + , name `elem` ("section" : groupingContent) + -> mempty <$ eTitlePage + "p" -> pPara + "h1" -> pHeader + "h2" -> pHeader + "h3" -> pHeader + "h4" -> pHeader + "h5" -> pHeader + "h6" -> pHeader + "blockquote" -> pBlockQuote + "pre" -> pCodeBlock + "ul" -> pBulletList + "ol" -> pOrderedList + "dl" -> pDefinitionList + "table" -> pTable block + "hr" -> pHrule + "html" -> pHtml + "head" -> pHead + "body" -> pBody + "div" + | extensionEnabled Ext_line_blocks exts + , Just "line-block" <- lookup "class" attr + -> pLineBlock + | otherwise + -> pDiv + "section" -> pDiv + "main" -> pDiv + "figure" -> pFigure + "iframe" -> pIframe + "style" -> pRawHtmlBlock + "textarea" -> pRawHtmlBlock + "switch" + | epubExts + -> eSwitch B.para block + _ -> mzero + _ -> mzero) + <|> pPlain + <|> pRawHtmlBlock trace (T.take 60 $ tshow $ B.toList res) return res @@ -256,9 +292,6 @@ eTOC = try $ do guard $ (lookup "type" attr <|> lookup "epub:type" attr) == Just "toc" void (pInTags tag block) -pList :: PandocMonad m => TagParser m Blocks -pList = pBulletList <|> pOrderedList <|> pDefinitionList - pBulletList :: PandocMonad m => TagParser m Blocks pBulletList = try $ do pSatisfy (matchTagOpen "ul" []) @@ -369,13 +402,15 @@ pLineBlock = try $ do B.toList ils return $ B.lineBlock lns +isDivLike :: Text -> Bool +isDivLike "div" = True +isDivLike "section" = True +isDivLike "main" = True +isDivLike _ = False + pDiv :: PandocMonad m => TagParser m Blocks pDiv = try $ do guardEnabled Ext_native_divs - let isDivLike "div" = True - isDivLike "section" = True - isDivLike "main" = True - isDivLike _ = False TagOpen tag attr' <- lookAhead $ pSatisfy $ tagOpen isDivLike (const True) let (ident, classes, kvs) = toAttr attr' contents <- pInTags tag block @@ -544,31 +579,47 @@ tagToText (TagOpen "br" _) = "\n" tagToText _ = "" inline :: PandocMonad m => TagParser m Inlines -inline = choice - [ eNoteref - , eSwitch id inline - , pTagText - , pQ - , pEmph - , pStrong - , pSuperscript - , pSubscript - , pSpanLike - , pSmall - , pStrikeout - , pUnderline - , pLineBreak - , pLink - , pImage - , pSvg - , pBdo - , pCode - , pCodeWithClass [("samp","sample"),("var","variable")] - , pSpan - , pMath False - , pScriptMath - , pRawHtmlInline - ] +inline = do + exts <- getOption readerExtensions + tag <- lookAhead pAny + case tag of + TagOpen name attr -> + case name of + "a" | extensionEnabled Ext_epub_html_exts exts + , Just "noteref" <- lookup "type" attr <|> lookup "epub:type" attr + , Just ('#',_) <- lookup "href" attr >>= T.uncons + -> eNoteref + | otherwise -> pLink + "switch" -> eSwitch id inline + "q" -> pQ + "em" -> pEmph + "i" -> pEmph + "strong" -> pStrong + "b" -> pStrong + "sup" -> pSuperscript + "sub" -> pSubscript + "small" -> pSmall + "s" -> pStrikeout + "strike" -> pStrikeout + "del" -> pStrikeout + "u" -> pUnderline + "ins" -> pUnderline + "br" -> pLineBreak + "img" -> pImage + "svg" -> pSvg + "bdo" -> pBdo + "code" -> pCode + "samp" -> pCodeWithClass "samp" "sample" + "var" -> pCodeWithClass "var" "variable" + "span" -> pSpan + "math" -> pMath False + "script" + | Just x <- lookup "type" attr + , "math/tex" `T.isPrefixOf` x -> pScriptMath + _ | name `elem` htmlSpanLikeElements -> pSpanLike + _ -> pRawHtmlInline + TagText _ -> pTagText + _ -> pRawHtmlInline pSelfClosing :: PandocMonad m => (Text -> Bool) -> ([Attribute Text] -> Bool) @@ -579,27 +630,25 @@ pSelfClosing f g = do return open pQ :: PandocMonad m => TagParser m Inlines -pQ = choice $ map try [citedQuote, normalQuote] - where citedQuote = do - tag <- pSatisfy $ tagOpenLit "q" (any ((=="cite") . fst)) - - url <- canonicalizeUrl $ fromAttrib "cite" tag - let uid = fromMaybe (fromAttrib "name" tag) $ - maybeFromAttrib "id" tag - let cls = T.words $ fromAttrib "class" tag - - makeQuote $ B.spanWith (uid, cls, [("cite", escapeURI url)]) - normalQuote = do - pSatisfy $ tagOpenLit "q" (const True) - makeQuote id - makeQuote wrapper = do - ctx <- asks quoteContext - let (constructor, innerContext) = case ctx of - InDoubleQuote -> (B.singleQuoted, InSingleQuote) - _ -> (B.doubleQuoted, InDoubleQuote) - - content <- withQuoteContext innerContext (mconcat <$> manyTill inline (pCloses "q")) - return $ extractSpaces (constructor . wrapper) content +pQ = do + TagOpen _ attrs <- pSatisfy $ tagOpenLit "q" (const True) + case lookup "cite" attrs of + Just url -> do + let uid = fromMaybe mempty $ + lookup "name" attrs <> lookup "id" attrs + let cls = maybe [] T.words $ lookup "class" attrs + url' <- canonicalizeUrl url + makeQuote $ B.spanWith (uid, cls, [("cite", escapeURI url')]) + Nothing -> makeQuote id + where + makeQuote wrapper = do + ctx <- asks quoteContext + let (constructor, innerContext) = case ctx of + InDoubleQuote -> (B.singleQuoted, InSingleQuote) + _ -> (B.doubleQuoted, InDoubleQuote) + content <- withQuoteContext innerContext + (mconcat <$> manyTill inline (pCloses "q")) + return $ extractSpaces (constructor . wrapper) content pEmph :: PandocMonad m => TagParser m Inlines pEmph = pInlinesInTags "em" B.emph <|> pInlinesInTags "i" B.emph @@ -690,13 +739,12 @@ pSvg = do UTF8.toText (encode $ UTF8.fromText rawText) return $ B.imageWith (ident,cls,[]) svgData mempty mempty -pCodeWithClass :: PandocMonad m => [(T.Text,Text)] -> TagParser m Inlines -pCodeWithClass elemToClass = try $ do - let tagTest = flip elem . fmap fst $ elemToClass - TagOpen open attr' <- pSatisfy $ tagOpen tagTest (const True) +pCodeWithClass :: PandocMonad m => Text -> Text -> TagParser m Inlines +pCodeWithClass name class' = try $ do + TagOpen open attr' <- pSatisfy $ tagOpen (== name) (const True) result <- manyTill pAny (pCloses open) let (ids,cs,kvs) = toAttr attr' - cs' = maybe cs (:cs) . lookup open $ elemToClass + cs' = class' : cs return . B.codeWith (ids,cs',kvs) . T.unwords . T.lines . innerText $ result |