    {- This module was generated from data in the Kate syntax highlighting file xml.xml, version 1.97,
       by  Wilbert Berendsen (wilbert@kde.nl) -}

    module Text.Highlighting.Kate.Syntax.Xml ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
    import Text.Highlighting.Kate.Definitions
    import Text.Highlighting.Kate.Common
    import qualified Text.Highlighting.Kate.Syntax.Alert
    import Text.ParserCombinators.Parsec
    import Data.List (nub)
    import Data.Map (fromList)
    import Data.Maybe (fromMaybe)

    -- | Full name of language.
    syntaxName :: String
    syntaxName = "XML"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "*.docbook;*.xml;*.rc;*.daml;*.rdf;*.rss;*.xspf"

    -- | Highlight source code using this syntax definition.
    highlight :: String -> Either String [SourceLine]
    highlight input =
      case runParser parseSource startingState "source" input of
        Left err     -> Left $ show err
        Right result -> Right result

    -- | Parse an expression using appropriate local context.
    parseExpression :: GenParser Char SyntaxState LabeledSource
    parseExpression = do
      st <- getState
      let oldLang = synStLanguage st
      setState $ st { synStLanguage = "XML" }
      context <- currentContext <|> (pushContext "Start" >> currentContext)
      result <- parseRules context
      updateState $ \st -> st { synStLanguage = oldLang }
      return result

    parseSource = do
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents }
      result <- manyTill parseSourceLine eof
      return $ map normalizeHighlighting result

    startingState = SyntaxState {synStContexts = fromList [("XML",["Start"])], synStLanguage = "XML", synStCurrentLine = "", synStCharsParsedInLine = 0, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Start" -> return ()
        "FindXML" -> return ()
        "FindEntityRefs" -> return ()
        "FindPEntityRefs" -> return ()
        "Comment" -> return ()
        "CDATA" -> return ()
        "PI" -> return ()
        "Doctype" -> return ()
        "Doctype Internal Subset" -> return ()
        "Doctype Markupdecl" -> return ()
        "Doctype Markupdecl DQ" -> return ()
        "Doctype Markupdecl SQ" -> return ()
        "Element" -> return ()
        "El Content" -> return ()
        "El End" -> return ()
        "Attribute" -> return ()
        "Value" -> return ()
        "Value DQ" -> return ()
        "Value SQ" -> return ()
        _ -> return ()
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0 }

    withAttribute attr txt = do
      if null txt
         then fail "Parser matched no text"
         else return ()
      let style = fromMaybe "" $ lookup attr styles
      st <- getState
      let oldCharsParsed = synStCharsParsedInLine st
      updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt }
      return (nub [style, attr], txt)

    styles = [("Normal Text","Normal"),("Comment","Comment"),("CDATA","BaseN"),("Processing Instruction","Keyword"),("Doctype","DataType"),("Element","Keyword"),("Attribute","Others"),("Value","String"),("EntityRef","DecVal"),("PEntityRef","DecVal"),("Error","Error")]

    parseExpressionInternal = do
      context <- currentContext
      parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes))

    defaultAttributes = [("Start","Normal Text"),("FindXML","Normal Text"),("FindEntityRefs","Normal Text"),("FindPEntityRefs","Normal Text"),("Comment","Comment"),("CDATA","Normal Text"),("PI","Normal Text"),("Doctype","Normal Text"),("Doctype Internal Subset","Normal Text"),("Doctype Markupdecl","Normal Text"),("Doctype Markupdecl DQ","Value"),("Doctype Markupdecl SQ","Value"),("Element","Normal Text"),("El Content","Normal Text"),("El End","Normal Text"),("Attribute","Normal Text"),("Value","Normal Text"),("Value DQ","Value"),("Value SQ","Value")]

    parseRules "Start" =
      do (attr, result) <- ((parseRules "FindXML"))
         return (attr, result)

    parseRules "FindXML" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal Text"))
                            <|>
                            ((pString False "<!--" >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pString False "<![CDATA[" >>= withAttribute "CDATA") >>~ pushContext "CDATA")
                            <|>
                            ((pRegExpr (compileRegex "<!DOCTYPE\\s+") >>= withAttribute "Doctype") >>~ pushContext "Doctype")
                            <|>
                            ((pRegExpr (compileRegex "<\\?[\\w:_-]*") >>= withAttribute "Processing Instruction") >>~ pushContext "PI")
                            <|>
                            ((pRegExpr (compileRegex "<[A-Za-z_:][\\w.:_-]*") >>= withAttribute "Element") >>~ pushContext "Element")
                            <|>
                            ((parseRules "FindEntityRefs"))
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Normal Text")))
         return (attr, result)

    parseRules "FindEntityRefs" =
      do (attr, result) <- (((pRegExpr (compileRegex "&(#[0-9]+|#[xX][0-9A-Fa-f]+|[A-Za-z_:][\\w.:_-]*);") >>= withAttribute "EntityRef"))
                            <|>
                            ((pAnyChar "&<" >>= withAttribute "Error")))
         return (attr, result)

    parseRules "FindPEntityRefs" =
      do (attr, result) <- (((pRegExpr (compileRegex "&(#[0-9]+|#[xX][0-9A-Fa-f]+|[A-Za-z_:][\\w.:_-]*);") >>= withAttribute "EntityRef"))
                            <|>
                            ((pRegExpr (compileRegex "%[A-Za-z_:][\\w.:_-]*;") >>= withAttribute "PEntityRef"))
                            <|>
                            ((pAnyChar "&%" >>= withAttribute "Error")))
         return (attr, result)

    parseRules "Comment" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Comment"))
                            <|>
                            ((pString False "-->" >>= withAttribute "Comment") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "-(-(?!->))+") >>= withAttribute "Error"))
                            <|>
                            ((Text.Highlighting.Kate.Syntax.Alert.parseExpression >>= ((withAttribute "") . snd)))
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Comment")))
         return (attr, result)

    parseRules "CDATA" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal Text"))
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Normal Text"))
                            <|>
                            ((pString False "]]>" >>= withAttribute "CDATA") >>~ (popContext >> return ()))
                            <|>
                            ((pString False "]]&gt;" >>= withAttribute "EntityRef")))
         return (attr, result)

    parseRules "PI" =
      do (attr, result) <- ((pDetect2Chars False '?' '>' >>= withAttribute "Processing Instruction") >>~ (popContext >> return ()))
         return (attr, result)

    parseRules "Doctype" =
      do (attr, result) <- (((pDetectChar False '>' >>= withAttribute "Doctype") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '[' >>= withAttribute "Doctype") >>~ pushContext "Doctype Internal Subset"))
         return (attr, result)

    parseRules "Doctype Internal Subset" =
      do (attr, result) <- (((pDetectChar False ']' >>= withAttribute "Doctype") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "<!(ELEMENT|ENTITY|ATTLIST|NOTATION)\\b") >>= withAttribute "Doctype") >>~ pushContext "Doctype Markupdecl")
                            <|>
                            ((pString False "<!--" >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pRegExpr (compileRegex "<\\?[\\w:_-]*") >>= withAttribute "Processing Instruction") >>~ pushContext "PI")
                            <|>
                            ((parseRules "FindPEntityRefs")))
         return (attr, result)

    parseRules "Doctype Markupdecl" =
      do (attr, result) <- (((pDetectChar False '>' >>= withAttribute "Doctype") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "Value") >>~ pushContext "Doctype Markupdecl DQ")
                            <|>
                            ((pDetectChar False '\'' >>= withAttribute "Value") >>~ pushContext "Doctype Markupdecl SQ"))
         return (attr, result)

    parseRules "Doctype Markupdecl DQ" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Value") >>~ (popContext >> return ()))
                            <|>
                            ((parseRules "FindPEntityRefs")))
         return (attr, result)

    parseRules "Doctype Markupdecl SQ" =
      do (attr, result) <- (((pDetectChar False '\'' >>= withAttribute "Value") >>~ (popContext >> return ()))
                            <|>
                            ((parseRules "FindPEntityRefs")))
         return (attr, result)

    parseRules "Element" =
      do (attr, result) <- (((pDetect2Chars False '/' '>' >>= withAttribute "Element") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '>' >>= withAttribute "Element") >>~ pushContext "El Content")
                            <|>
                            ((pColumn 0 >> pRegExpr (compileRegex "[A-Za-z_:][\\w.:_-]*") >>= withAttribute "Attribute") >>~ pushContext "Attribute")
                            <|>
                            ((pRegExpr (compileRegex "\\s+[A-Za-z_:][\\w.:_-]*") >>= withAttribute "Attribute") >>~ pushContext "Attribute")
                            <|>
                            ((pRegExpr (compileRegex "\\S") >>= withAttribute "Error")))
         return (attr, result)

    parseRules "El Content" =
      do (attr, result) <- (((pRegExpr (compileRegex "</[A-Za-z_:][\\w.:_-]*") >>= withAttribute "Element") >>~ pushContext "El End")
                            <|>
                            ((parseRules "FindXML")))
         return (attr, result)

    parseRules "El End" =
      do (attr, result) <- (((pDetectChar False '>' >>= withAttribute "Element") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "\\S") >>= withAttribute "Error")))
         return (attr, result)

    parseRules "Attribute" =
      do (attr, result) <- (((pDetectChar False '=' >>= withAttribute "Attribute") >>~ pushContext "Value")
                            <|>
                            ((pRegExpr (compileRegex "\\S") >>= withAttribute "Error")))
         return (attr, result)

    parseRules "Value" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Value") >>~ pushContext "Value DQ")
                            <|>
                            ((pDetectChar False '\'' >>= withAttribute "Value") >>~ pushContext "Value SQ")
                            <|>
                            ((pRegExpr (compileRegex "\\S") >>= withAttribute "Error")))
         return (attr, result)

    parseRules "Value DQ" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Value") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((parseRules "FindEntityRefs")))
         return (attr, result)

    parseRules "Value SQ" =
      do (attr, result) <- (((pDetectChar False '\'' >>= withAttribute "Value") >>~ (popContext >> popContext >> popContext >> return ()))
                            <|>
                            ((parseRules "FindEntityRefs")))
         return (attr, result)

    parseRules x = fail $ "Unknown context" ++ x