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Diffstat (limited to 'src/Text/Pandoc/XMLParser.hs')
-rw-r--r-- | src/Text/Pandoc/XMLParser.hs | 66 |
1 files changed, 0 insertions, 66 deletions
diff --git a/src/Text/Pandoc/XMLParser.hs b/src/Text/Pandoc/XMLParser.hs deleted file mode 100644 index 8ad22a66a..000000000 --- a/src/Text/Pandoc/XMLParser.hs +++ /dev/null @@ -1,66 +0,0 @@ -{-# LANGUAGE OverloadedStrings #-} -{- | - Module : Text.Pandoc.XMLParser - Copyright : Copyright (C) 2021 John MacFarlane - License : GNU GPL, version 2 or above - - Maintainer : John MacFarlane <jgm@berkeley.edu> - Stability : alpha - Portability : portable - -Bridge to allow using xml-conduit's parser with xml-light's types. --} -module Text.Pandoc.XMLParser - ( parseXMLElement - , parseXMLContents - , module Text.XML.Light.Types - ) where - -import qualified Control.Exception as E -import qualified Text.XML as Conduit -import Text.XML.Unresolved (InvalidEventStream(..)) -import qualified Text.XML.Light as Light -import Text.XML.Light.Types -import qualified Data.Text as T -import qualified Data.Text.Lazy as TL -import qualified Data.Map as M -import Data.Maybe (mapMaybe) - --- Drop in replacement for parseXMLDoc in xml-light. -parseXMLElement :: TL.Text -> Either T.Text Light.Element -parseXMLElement t = - elementToElement . Conduit.documentRoot <$> - either (Left . T.pack . E.displayException) Right - (Conduit.parseText Conduit.def{ Conduit.psRetainNamespaces = True } t) - -parseXMLContents :: TL.Text -> Either T.Text [Light.Content] -parseXMLContents t = - case Conduit.parseText Conduit.def{ Conduit.psRetainNamespaces = True } t of - Left e -> - case E.fromException e of - Just (ContentAfterRoot _) -> - elContent <$> parseXMLElement ("<wrapper>" <> t <> "</wrapper>") - _ -> Left . T.pack . E.displayException $ e - Right x -> Right [Light.Elem . elementToElement . Conduit.documentRoot $ x] - -elementToElement :: Conduit.Element -> Light.Element -elementToElement (Conduit.Element name attribMap nodes) = - Light.Element (nameToQname name) attrs (mapMaybe nodeToContent nodes) Nothing - where - attrs = map (\(n,v) -> Light.Attr (nameToQname n) (T.unpack v)) $ - M.toList attribMap - nameToQname (Conduit.Name localName mbns mbpref) = - case mbpref of - Nothing | "xmlns:" `T.isPrefixOf` localName -> - Light.QName (T.unpack $ T.drop 6 localName) (T.unpack <$> mbns) - (Just "xmlns") - _ -> Light.QName (T.unpack localName) (T.unpack <$> mbns) - (T.unpack <$> mbpref) - -nodeToContent :: Conduit.Node -> Maybe Light.Content -nodeToContent (Conduit.NodeElement el) = - Just (Light.Elem (elementToElement el)) -nodeToContent (Conduit.NodeContent t) = - Just (Light.Text (Light.CData Light.CDataText (T.unpack t) Nothing)) -nodeToContent _ = Nothing - |