    {- This module was generated from data in the Kate syntax highlighting file dtd.xml, version 1.02,
       by  Andriy Lesyuk (s-andy@in.if.ua) -}

    module Text.Highlighting.Kate.Syntax.Dtd ( 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 = "DTD"

    -- | Filename extensions for this language.
    syntaxExtensions :: String
    syntaxExtensions = "*.dtd"

    -- | 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 = "DTD" }
      context <- currentContext <|> (pushContext "Normal" >> 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 [("DTD",["Normal"])], synStLanguage = "DTD", synStCurrentLine = "", synStCharsParsedInLine = 0, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Normal" -> return ()
        "Comment" -> return ()
        "PI" -> return ()
        "Declaration" -> return ()
        "String" -> return ()
        "InlineComment" -> (popContext >> 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","Normal"),("Comment","Comment"),("Processing Instruction","Keyword"),("Declaration","DataType"),("Name","Function"),("Delimiter","DecVal"),("Symbol","Float"),("Keyword","Keyword"),("String","String"),("Entity","DecVal"),("Local","DecVal")]

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

    defaultAttributes = [("Normal","Normal"),("Comment","Comment"),("PI","Normal"),("Declaration","Normal"),("String","String"),("InlineComment","Comment")]

    parseRules "Normal" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal"))
                            <|>
                            ((pString False "<!--" >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pString False "<?xml" >>= withAttribute "Processing Instruction") >>~ pushContext "PI")
                            <|>
                            ((pString False "<!ELEMENT" >>= withAttribute "Declaration") >>~ pushContext "Declaration")
                            <|>
                            ((pString False "<!ATTLIST" >>= withAttribute "Declaration") >>~ pushContext "Declaration")
                            <|>
                            ((pString False "<!NOTATION" >>= withAttribute "Declaration") >>~ pushContext "Declaration")
                            <|>
                            ((pString False "<!ENTITY" >>= withAttribute "Declaration") >>~ pushContext "Declaration")
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Normal")))
         return (attr, result)

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

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

    parseRules "Declaration" =
      do (attr, result) <- (((pString False "<!--" >>= withAttribute "Comment") >>~ pushContext "Comment")
                            <|>
                            ((pDetect2Chars False '-' '-' >>= withAttribute "Comment") >>~ pushContext "InlineComment")
                            <|>
                            ((pDetectChar False '>' >>= withAttribute "Declaration") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ pushContext "String")
                            <|>
                            ((pRegExpr (compileRegex "(-|O)\\s(-|O)") >>= withAttribute "Declaration"))
                            <|>
                            ((pAnyChar "(|)," >>= withAttribute "Delimiter"))
                            <|>
                            ((pRegExpr (compileRegex "(%|&)(#[0-9]+|#[xX][0-9A-Fa-f]+|[\\-\\w\\d\\.:_]+);") >>= withAttribute "Entity"))
                            <|>
                            ((pAnyChar "?*+-&" >>= withAttribute "Symbol"))
                            <|>
                            ((pRegExpr (compileRegex "%\\s") >>= withAttribute "Local"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" ["EMPTY","ANY","CDATA","ID","IDREF","IDREFS","NMTOKEN","NMTOKENS","ENTITY","ENTITIES","NOTATION","PUBLIC","SYSTEM","NDATA"] >>= withAttribute "Keyword"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" ["#PCDATA","#REQUIRED","#IMPLIED","#FIXED"] >>= withAttribute "Keyword"))
                            <|>
                            ((pRegExpr (compileRegex "\\b[\\-\\w\\d\\.:_]+\\b") >>= withAttribute "Name")))
         return (attr, result)

    parseRules "String" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "String"))
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "String") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr (compileRegex "%[\\-\\w\\d\\.:_]+;") >>= withAttribute "Entity")))
         return (attr, result)

    parseRules "InlineComment" =
      do (attr, result) <- (((pDetectSpaces >>= withAttribute "Comment"))
                            <|>
                            ((pDetect2Chars False '-' '-' >>= withAttribute "Comment") >>~ (popContext >> return ()))
                            <|>
                            ((Text.Highlighting.Kate.Syntax.Alert.parseExpression >>= ((withAttribute "") . snd)))
                            <|>
                            ((pDetectIdentifier >>= withAttribute "Comment")))
         return (attr, result)

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