    {- This module was generated from data in the Kate syntax highlighting file json.xml, version 1.00,
       by  Sebastian Pipping (webmaster@hartwork.org) -}

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

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

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

    -- | 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 = "JSON" }
      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 [("JSON",["Normal"])], synStLanguage = "JSON", synStCurrentLine = "", synStCharsParsedInLine = 0, synStPrevChar = '\n', synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

    parseSourceLine = manyTill parseExpressionInternal pEndLine

    pEndLine = do
      newline <|> (eof >> return '\n')
      context <- currentContext
      case context of
        "Normal" -> return ()
        "Pair" -> return ()
        "String_Key" -> return ()
        "Value" -> return ()
        "String_Value" -> return ()
        "Array" -> return ()
        _ -> return ()
      lineContents <- lookAhead wholeLine
      updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0, synStPrevChar = '\n' }

    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
      let prevchar = if null txt then '\n' else last txt
      updateState $ \st -> st { synStCharsParsedInLine = oldCharsParsed + length txt, synStPrevChar = prevchar }
      return (nub [style, attr], txt)

    styles = [("Style_Normal","Normal"),("Style_Seperator_Pair","Normal"),("Style_Seperator_Array","Normal"),("Style_Decimal","DecVal"),("Style_Float","Float"),("Style_String_Key","DataType"),("Style_String_Value","String"),("Style_String_Key_Char","DataType"),("Style_String_Value_Char","String"),("Style_Keyword","DecVal"),("Style_Error","Error")]

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

    list_Constants = Set.fromList $ words $ "null true false"

    regex_'5c'5c'28'3f'3a'5b'22'5c'5c'2fbfnrt'5d'7cu'5b0'2d9a'2dfA'2df'5d'7b4'7d'29 = compileRegex "\\\\(?:[\"\\\\/bfnrt]|u[0-9a-fA-f]{4})"
    regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'5c'2e'5b0'2d9'5d'2b'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f = compileRegex "-?(?:[0-9]|[1-9][0-9]+)\\.[0-9]+(?:[eE][+-]?[0-9]+)?"
    regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f = compileRegex "-?(?:[0-9]|[1-9][0-9]+)(?:[eE][+-]?[0-9]+)?"

    defaultAttributes = [("Normal","Style_Error"),("Pair","Style_Error"),("String_Key","Style_String_Key"),("Value","Style_Error"),("String_Value","Style_String_Value"),("Array","Style_Error")]

    parseRules "Normal" =
      do (attr, result) <- ((pDetectChar False '{' >>= withAttribute "Style_Seperator_Pair") >>~ pushContext "Pair")
         return (attr, result)

    parseRules "Pair" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Style_String_Key") >>~ pushContext "String_Key")
                            <|>
                            ((pDetectChar False ':' >>= withAttribute "Style_Seperator_Pair") >>~ pushContext "Value")
                            <|>
                            ((pDetectChar False '}' >>= withAttribute "Style_Seperator_Pair") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False ',' >>= withAttribute "Style_Seperator_Pair"))
                            <|>
                            ((pDetectSpaces >>= withAttribute "Style_Normal")))
         return (attr, result)

    parseRules "String_Key" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Style_String_Key") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5c'5c'28'3f'3a'5b'22'5c'5c'2fbfnrt'5d'7cu'5b0'2d9a'2dfA'2df'5d'7b4'7d'29 >>= withAttribute "Style_String_Key_Char")))
         return (attr, result)

    parseRules "Value" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Style_String_Value") >>~ pushContext "String_Value")
                            <|>
                            ((pDetectChar False '{' >>= withAttribute "Style_Seperator_Pair") >>~ pushContext "Pair")
                            <|>
                            ((pDetectChar False '[' >>= withAttribute "Style_Seperator_Array") >>~ pushContext "Array")
                            <|>
                            ((lookAhead (pDetectChar False '}') >> return ([],"") ) >>~ (popContext >> return ()))
                            <|>
                            ((lookAhead (pDetectChar False ',') >> return ([],"") ) >>~ (popContext >> return ()))
                            <|>
                            ((pDetectSpaces >>= withAttribute "Style_Normal"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_Constants >>= withAttribute "Style_Keyword"))
                            <|>
                            ((pRegExpr regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'5c'2e'5b0'2d9'5d'2b'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f >>= withAttribute "Style_Float"))
                            <|>
                            ((pRegExpr regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f >>= withAttribute "Style_Decimal")))
         return (attr, result)

    parseRules "String_Value" =
      do (attr, result) <- (((pDetectChar False '"' >>= withAttribute "Style_String_Value") >>~ (popContext >> return ()))
                            <|>
                            ((pRegExpr regex_'5c'5c'28'3f'3a'5b'22'5c'5c'2fbfnrt'5d'7cu'5b0'2d9a'2dfA'2df'5d'7b4'7d'29 >>= withAttribute "Style_String_Value_Char")))
         return (attr, result)

    parseRules "Array" =
      do (attr, result) <- (((pDetectChar False ',' >>= withAttribute "Style_Seperator_Array"))
                            <|>
                            ((pDetectChar False ']' >>= withAttribute "Style_Seperator_Array") >>~ (popContext >> return ()))
                            <|>
                            ((pDetectChar False '{' >>= withAttribute "Style_Seperator_Pair") >>~ pushContext "Pair")
                            <|>
                            ((pDetectChar False '"' >>= withAttribute "Style_String_Value") >>~ pushContext "String_Value")
                            <|>
                            ((pDetectSpaces >>= withAttribute "Style_Normal"))
                            <|>
                            ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_Constants >>= withAttribute "Style_Keyword"))
                            <|>
                            ((pRegExpr regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'5c'2e'5b0'2d9'5d'2b'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f >>= withAttribute "Style_Float"))
                            <|>
                            ((pRegExpr regex_'2d'3f'28'3f'3a'5b0'2d9'5d'7c'5b1'2d9'5d'5b0'2d9'5d'2b'29'28'3f'3a'5beE'5d'5b'2b'2d'5d'3f'5b0'2d9'5d'2b'29'3f >>= withAttribute "Style_Decimal")))
         return (attr, result)

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