{- This module was generated from data in the Kate syntax highlighting file djangotemplate.xml, version 1.2, by Matthew Marshall (matthew@matthewmarshall.org) -} module Text.Highlighting.Kate.Syntax.Djangotemplate ( highlight, parseExpression, syntaxName, syntaxExtensions ) where import Text.Highlighting.Kate.Definitions import Text.Highlighting.Kate.Common import qualified Text.Highlighting.Kate.Syntax.Alert import qualified Text.Highlighting.Kate.Syntax.Css import qualified Text.Highlighting.Kate.Syntax.Javascript import Text.ParserCombinators.Parsec import Control.Monad (when) import Data.Map (fromList) import Data.Maybe (fromMaybe, maybeToList) import qualified Data.Set as Set -- | Full name of language. syntaxName :: String syntaxName = "Django HTML Template" -- | Filename extensions for this language. syntaxExtensions :: String syntaxExtensions = "*.htm;*.html" -- | 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 = "Django HTML Template" } 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 [("Django HTML Template",["Start"])], synStLanguage = "Django HTML Template", 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 "Start" -> return () "In Block" -> return () "FindTemplate" -> return () "Template Comment" -> return () "Template Var" -> return () "Template Filter" -> return () "Template Tag" -> return () "Found Block Tag" -> return () "In Block Tag" -> return () "Non Matching Tag" -> return () "In Template Tag" -> return () "Single A-string" -> return () "Single Q-string" -> return () "FindHTML" -> return () "FindEntityRefs" -> return () "FindPEntityRefs" -> return () "FindAttributes" -> return () "FindDTDRules" -> return () "Comment" -> return () "CDATA" -> return () "PI" -> return () "Doctype" -> return () "Doctype Internal Subset" -> return () "Doctype Markupdecl" -> return () "Doctype Markupdecl DQ" -> return () "Doctype Markupdecl SQ" -> return () "El Open" -> return () "El Close" -> return () "El Close 2" -> return () "El Close 3" -> return () "CSS" -> return () "CSS content" -> return () "JS" -> return () "JS content" -> return () "JS comment close" -> (popContext >> return ()) "Value" -> return () "Value NQ" -> (popContext >> popContext >> return ()) "Value DQ" -> return () "Value SQ" -> return () _ -> return () lineContents <- lookAhead wholeLine updateState $ \st -> st { synStCurrentLine = lineContents, synStCharsParsedInLine = 0, synStPrevChar = '\n' } withAttribute attr txt = do when (null txt) $ fail "Parser matched no text" let labs = attr : maybeToList (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 (labs, txt) styles = [("Comment","co"),("CDATA","bn"),("Processing Instruction","kw"),("Doctype","dt"),("Element","kw"),("Attribute","ot"),("Value","st"),("EntityRef","dv"),("PEntityRef","dv"),("Error","er"),("Template Var","fu"),("Template Tag","fu"),("Template Tag Argument","fu"),("Template String","st"),("Template Comment","co"),("Template Filter","ot"),("Mismatched Block Tag","er")] parseExpressionInternal = do context <- currentContext parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes)) list_blocktags = Set.fromList $ words $ "for block if ifequal ifnotequal ifchanged blocktrans spaceless" list_endblocktags = Set.fromList $ words $ "endfor endblock endif endifequal endifnotequal endifchanged endblocktrans endspaceless" regex_'5c'7b'25'5cs'2aend'5ba'2dz'5d'2b'5cs'2a'25'5c'7d = compileRegex "\\{%\\s*end[a-z]+\\s*%\\}" regex_'5c'7b'25'5cs'2acomment'5cs'2a'25'5c'7d = compileRegex "\\{%\\s*comment\\s*%\\}" regex_'5c'7b'25'5cs'2aendcomment'5cs'2a'25'5c'7d = compileRegex "\\{%\\s*endcomment\\s*%\\}" regex_'28'5bA'2dZa'2dz'5f'3a'5d'5b'5cw'2e'3a'5f'2d'5d'2a'29 = compileRegex "([A-Za-z_:][\\w.:_-]*)" regex_'3c'21DOCTYPE'5cs'2b = compileRegex "))+" regex_'5cS = compileRegex "\\S" regex_'3c'2fstyle'5cb = compileRegex ")" regex_'5b'5e'2f'3e'3c'22'27'5cs'5d = compileRegex "[^/><\"'\\s]" defaultAttributes = [("Start","Normal Text"),("In Block","Normal Text"),("FindTemplate","Normal Text"),("Template Comment","Template Comment"),("Template Var","Template Var"),("Template Filter","Template Filter"),("Template Tag","Template Tag"),("Found Block Tag","Template Tag"),("In Block Tag","Template Tag Argument"),("Non Matching Tag","Template Tag"),("In Template Tag","Template Tag Argument"),("Single A-string","Template String"),("Single Q-string","Template String"),("FindHTML","Normal Text"),("FindEntityRefs","Normal Text"),("FindPEntityRefs","Normal Text"),("FindAttributes","Normal Text"),("FindDTDRules","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"),("El Open","Normal Text"),("El Close","Normal Text"),("El Close 2","Normal Text"),("El Close 3","Normal Text"),("CSS","Normal Text"),("CSS content","Normal Text"),("JS","Normal Text"),("JS content","Normal Text"),("JS comment close","Comment"),("Value","Normal Text"),("Value NQ","Normal Text"),("Value DQ","Value"),("Value SQ","Value")] parseRules "Start" = do (attr, result) <- (((pRegExpr regex_'5c'7b'25'5cs'2aend'5ba'2dz'5d'2b'5cs'2a'25'5c'7d >>= withAttribute "Mismatched Block Tag")) <|> ((parseRules "FindTemplate")) <|> ((parseRules "FindHTML"))) return (attr, result) parseRules "In Block" = do (attr, result) <- (((lookAhead (pRegExpr regex_'5c'7b'25'5cs'2aend'5ba'2dz'5d'2b'5cs'2a'25'5c'7d) >> return ([],"") ) >>~ (popContext >> return ())) <|> ((parseRules "FindTemplate")) <|> ((parseRules "FindHTML"))) return (attr, result) parseRules "FindTemplate" = do (attr, result) <- (((pRegExpr regex_'5c'7b'25'5cs'2acomment'5cs'2a'25'5c'7d >>= withAttribute "Template Comment") >>~ pushContext "Template Comment") <|> ((pDetect2Chars False '{' '{' >>= withAttribute "Template Var") >>~ pushContext "Template Var") <|> ((pDetect2Chars False '{' '%' >>= withAttribute "Template Tag") >>~ pushContext "Template Tag")) return (attr, result) parseRules "Template Comment" = do (attr, result) <- ((pRegExpr regex_'5c'7b'25'5cs'2aendcomment'5cs'2a'25'5c'7d >>= withAttribute "Template Comment") >>~ (popContext >> return ())) return (attr, result) parseRules "Template Var" = do (attr, result) <- (((pDetect2Chars False '}' '}' >>= withAttribute "Template Var") >>~ (popContext >> return ())) <|> ((pDetectChar False '|' >>= withAttribute "Template Filter") >>~ pushContext "Template Filter") <|> ((pDetect2Chars False '{' '{' >>= withAttribute "Error")) <|> ((pDetect2Chars False '{' '%' >>= withAttribute "Error")) <|> ((pDetect2Chars False '%' '}' >>= withAttribute "Error"))) return (attr, result) parseRules "Template Filter" = do (attr, result) <- (((pDetect2Chars False '}' '}' >>= withAttribute "Template Var") >>~ (popContext >> popContext >> return ())) <|> ((pDetectChar False '\'' >>= withAttribute "Template String") >>~ pushContext "Single A-string") <|> ((pDetectChar False '"' >>= withAttribute "Template String") >>~ pushContext "Single Q-string") <|> ((pDetect2Chars False '{' '{' >>= withAttribute "Error")) <|> ((pDetect2Chars False '{' '%' >>= withAttribute "Error")) <|> ((pDetect2Chars False '%' '}' >>= withAttribute "Error"))) return (attr, result) parseRules "Template Tag" = do (attr, result) <- (((lookAhead (pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_blocktags) >> return ([],"") ) >>~ pushContext "Found Block Tag") <|> ((pDetectIdentifier >>= withAttribute "Template Tag") >>~ pushContext "In Template Tag")) return (attr, result) parseRules "Found Block Tag" = do (attr, result) <- ((pRegExpr regex_'28'5bA'2dZa'2dz'5f'3a'5d'5b'5cw'2e'3a'5f'2d'5d'2a'29 >>= withAttribute "Template Tag") >>~ pushContext "In Block Tag") return (attr, result) parseRules "In Block Tag" = do (attr, result) <- (((pRegExprDynamic "\\{%\\s*end%1\\s*%\\}" >>= withAttribute "Template Tag") >>~ (popContext >> popContext >> popContext >> return ())) <|> ((lookAhead (pRegExpr regex_'5c'7b'25'5cs'2aend'5ba'2dz'5d'2b'5cs'2a'25'5c'7d) >> return ([],"") ) >>~ pushContext "Non Matching Tag") <|> ((pDetect2Chars False '%' '}' >>= withAttribute "Template Tag") >>~ pushContext "In Block") <|> ((parseRules "In Template Tag"))) return (attr, result) parseRules "Non Matching Tag" = do (attr, result) <- (((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_endblocktags >>= withAttribute "Mismatched Block Tag") >>~ (popContext >> return ())) <|> ((pDetectIdentifier >>= withAttribute "Template Tag") >>~ (popContext >> return ()))) return (attr, result) parseRules "In Template Tag" = do (attr, result) <- (((pDetect2Chars False '%' '}' >>= withAttribute "Template Tag") >>~ (popContext >> popContext >> return ())) <|> ((pDetectChar False '\'' >>= withAttribute "Template String") >>~ pushContext "Single A-string") <|> ((pDetectChar False '"' >>= withAttribute "Template String") >>~ pushContext "Single Q-string") <|> ((pDetect2Chars False '{' '{' >>= withAttribute "Error")) <|> ((pDetect2Chars False '{' '%' >>= withAttribute "Error")) <|> ((pDetect2Chars False '}' '}' >>= withAttribute "Error"))) return (attr, result) parseRules "Single A-string" = do (attr, result) <- (((pHlCStringChar >>= withAttribute "Template String")) <|> ((pDetectChar False '\'' >>= withAttribute "Template String") >>~ (popContext >> return ()))) return (attr, result) parseRules "Single Q-string" = do (attr, result) <- (((pHlCStringChar >>= withAttribute "Template String")) <|> ((pDetectChar False '"' >>= withAttribute "Template String") >>~ (popContext >> return ()))) return (attr, result) parseRules "FindHTML" = do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal Text")) <|> ((pDetectIdentifier >>= withAttribute "Normal Text")) <|> ((pString False "" >>= withAttribute "Comment") >>~ (popContext >> return ())) <|> ((pRegExpr regex_'2d'28'2d'28'3f'21'2d'3e'29'29'2b >>= withAttribute "Error"))) return (attr, result) parseRules "CDATA" = do (attr, result) <- (((pDetectSpaces >>= withAttribute "Normal Text")) <|> ((pDetectIdentifier >>= withAttribute "Normal Text")) <|> ((pString False "]]>" >>= withAttribute "CDATA") >>~ (popContext >> return ())) <|> ((pString False "]]>" >>= 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 ())) <|> ((parseRules "FindDTDRules")) <|> ((pString False "