{- 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.Types
import Text.Highlighting.Kate.Common
import qualified Text.Highlighting.Kate.Syntax.Alert
import Text.ParserCombinators.Parsec hiding (State)
import Data.Map (fromList)
import Control.Monad.State
import Data.Char (isSpace)
import Data.Maybe (fromMaybe)
import qualified Data.Set as Set

-- | 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 -> [SourceLine]
highlight input = evalState (mapM parseSourceLine $ lines input) startingState

parseSourceLine :: String -> State SyntaxState SourceLine
parseSourceLine = mkParseSourceLine parseExpressionInternal pEndLine

-- | Parse an expression using appropriate local context.
parseExpression :: KateParser Token
parseExpression = do
  st <- getState
  let oldLang = synStLanguage st
  setState $ st { synStLanguage = "DTD" }
  context <- currentContext <|> (pushContext "Normal" >> currentContext)
  result <- parseRules context
  optional $ eof >> pEndLine
  updateState $ \st -> st { synStLanguage = oldLang }
  return result

startingState = SyntaxState {synStContexts = fromList [("DTD",["Normal"])], synStLanguage = "DTD", synStLineNumber = 0, synStPrevChar = '\n', synStPrevNonspace = False, synStCaseSensitive = True, synStKeywordCaseSensitive = True, synStCaptures = []}

pEndLine = do
  updateState $ \st -> st{ synStPrevNonspace = False }
  context <- currentContext
  case context of
    "Normal" -> return ()
    "Comment" -> return ()
    "PI" -> return ()
    "Declaration" -> return ()
    "String" -> return ()
    "InlineComment" -> (popContext) >> pEndLine
    _ -> return ()

withAttribute attr txt = do
  when (null txt) $ fail "Parser matched no text"
  updateState $ \st -> st { synStPrevChar = last txt
                          , synStPrevNonspace = synStPrevNonspace st || not (all isSpace txt) }
  return (attr, txt)

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

list_Category = Set.fromList $ words $ "EMPTY ANY CDATA ID IDREF IDREFS NMTOKEN NMTOKENS ENTITY ENTITIES NOTATION PUBLIC SYSTEM NDATA"
list_Keywords = Set.fromList $ words $ "#PCDATA #REQUIRED #IMPLIED #FIXED"

regex_'28'2d'7cO'29'5cs'28'2d'7cO'29 = compileRegex "(-|O)\\s(-|O)"
regex_'28'25'7c'26'29'28'23'5b0'2d9'5d'2b'7c'23'5bxX'5d'5b0'2d9A'2dFa'2df'5d'2b'7c'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'29'3b = compileRegex "(%|&)(#[0-9]+|#[xX][0-9A-Fa-f]+|[\\-\\w\\d\\.:_]+);"
regex_'25'5cs = compileRegex "%\\s"
regex_'5cb'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'5cb = compileRegex "\\b[\\-\\w\\d\\.:_]+\\b"
regex_'25'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'3b = compileRegex "%[\\-\\w\\d\\.:_]+;"

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

parseRules "Normal" =
  (((pDetectSpaces >>= withAttribute NormalTok))
   <|>
   ((pString False "<!--" >>= withAttribute CommentTok) >>~ pushContext "Comment")
   <|>
   ((pString False "<?xml" >>= withAttribute KeywordTok) >>~ pushContext "PI")
   <|>
   ((pString False "<!ELEMENT" >>= withAttribute DataTypeTok) >>~ pushContext "Declaration")
   <|>
   ((pString False "<!ATTLIST" >>= withAttribute DataTypeTok) >>~ pushContext "Declaration")
   <|>
   ((pString False "<!NOTATION" >>= withAttribute DataTypeTok) >>~ pushContext "Declaration")
   <|>
   ((pString False "<!ENTITY" >>= withAttribute DataTypeTok) >>~ pushContext "Declaration")
   <|>
   ((pDetectIdentifier >>= withAttribute NormalTok)))

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

parseRules "PI" =
  ((pDetect2Chars False '?' '>' >>= withAttribute KeywordTok) >>~ (popContext))

parseRules "Declaration" =
  (((pString False "<!--" >>= withAttribute CommentTok) >>~ pushContext "Comment")
   <|>
   ((pDetect2Chars False '-' '-' >>= withAttribute CommentTok) >>~ pushContext "InlineComment")
   <|>
   ((pDetectChar False '>' >>= withAttribute DataTypeTok) >>~ (popContext))
   <|>
   ((pDetectChar False '"' >>= withAttribute StringTok) >>~ pushContext "String")
   <|>
   ((pRegExpr regex_'28'2d'7cO'29'5cs'28'2d'7cO'29 >>= withAttribute DataTypeTok))
   <|>
   ((pAnyChar "(|)," >>= withAttribute DecValTok))
   <|>
   ((pRegExpr regex_'28'25'7c'26'29'28'23'5b0'2d9'5d'2b'7c'23'5bxX'5d'5b0'2d9A'2dFa'2df'5d'2b'7c'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'29'3b >>= withAttribute DecValTok))
   <|>
   ((pAnyChar "?*+-&" >>= withAttribute FloatTok))
   <|>
   ((pRegExpr regex_'25'5cs >>= withAttribute DecValTok))
   <|>
   ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_Category >>= withAttribute KeywordTok))
   <|>
   ((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_Keywords >>= withAttribute KeywordTok))
   <|>
   ((pRegExpr regex_'5cb'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'5cb >>= withAttribute FunctionTok)))

parseRules "String" =
  (((pDetectSpaces >>= withAttribute StringTok))
   <|>
   ((pDetectChar False '"' >>= withAttribute StringTok) >>~ (popContext))
   <|>
   ((pRegExpr regex_'25'5b'5c'2d'5cw'5cd'5c'2e'3a'5f'5d'2b'3b >>= withAttribute DecValTok)))

parseRules "InlineComment" =
  (((pDetectSpaces >>= withAttribute CommentTok))
   <|>
   ((pDetect2Chars False '-' '-' >>= withAttribute CommentTok) >>~ (popContext))
   <|>
   ((Text.Highlighting.Kate.Syntax.Alert.parseExpression >>= ((withAttribute CommentTok) . snd)))
   <|>
   ((pDetectIdentifier >>= withAttribute CommentTok)))

parseRules "" = parseRules "Normal"

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