module Text.Highlighting.Kate.Syntax.Cisco ( highlight, parseExpression, syntaxName, syntaxExtensions ) where
import Text.Highlighting.Kate.Definitions
import Text.Highlighting.Kate.Common
import Text.ParserCombinators.Parsec
import Control.Monad (when)
import Data.Map (fromList)
import Data.Maybe (fromMaybe, maybeToList)
import qualified Data.Set as Set
syntaxName :: String
syntaxName = "Cisco"
syntaxExtensions :: String
syntaxExtensions = "*.cis"
highlight :: String -> Either String [SourceLine]
highlight input =
case runParser parseSource startingState "source" input of
Left err -> Left $ show err
Right result -> Right result
parseExpression :: GenParser Char SyntaxState LabeledSource
parseExpression = do
st <- getState
let oldLang = synStLanguage st
setState $ st { synStLanguage = "Cisco" }
context <- currentContext <|> (pushContext "Base" >> 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 [("Cisco",["Base"])], synStLanguage = "Cisco", synStCurrentLine = "", synStCharsParsedInLine = 0, synStPrevChar = '\n', synStCaseSensitive = True, synStKeywordCaseSensitive = False, synStCaptures = []}
parseSourceLine = manyTill parseExpressionInternal pEndLine
pEndLine = do
lookAhead $ newline <|> (eof >> return '\n')
context <- currentContext
case context of
"Base" -> return () >> pHandleEndLine
"String" -> return () >> pHandleEndLine
"Single Quote" -> return () >> pHandleEndLine
"Substitution" -> return () >> pHandleEndLine
"Parameter" -> return () >> pHandleEndLine
_ -> pHandleEndLine
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 = [("Keyword","kw"),("Decimal","dv"),("Float","fl"),("Char","ch"),("String","st"),("Comment","co"),("Substitution","ot"),("Parameter","ot"),("Operator","ot")]
parseExpressionInternal = do
context <- currentContext
parseRules context <|> (pDefault >>= withAttribute (fromMaybe "" $ lookup context defaultAttributes))
list_commands = Set.fromList $ words $ "aaa access-list address alias arp async-bootp banner boot bridge buffers busy-message call-history-mib cdp chat-script class-map clock cns config-register controller crypto default default-value dialer dialer-list dnsix-dmdp dnsix-nat downward-compatible-config enable end exception exit file frame-relay help hostname interface ip isdn isdn-mib kerberos key line logging login-string map-class map-list memory-size menu modemcap multilink netbios no ntp partition policy-map priority-list privilege process-max-time prompt queue-list resume-string rlogin rmon route-map router rtr scheduler service snmp-server sntp stackmaker state-machine subscriber-policy tacacs-server template terminal-queue tftp-server time-range username virtual-profile virtual-template vpdn vpdn-group x25 x29"
list_parameters = Set.fromList $ words $ "accounting accounting-list accounting-threshold accounting-transits address-pool as-path audit auth-proxy authentication authorization bgp-community bootp cef classless community-list default-gateway default-network dhcp dhcp-server domain-list domain-lookup domain-name dvmrp exec-callback extcommunity-list finger flow-aggregation flow-cache flow-export forward-protocol ftp gratuitous-arps host host-routing hp-host http icmp inspect local mrm mroute msdp multicast multicast-routing name-server nat new-model ospf password password-encryption pgm pim port-map prefix-list radius rcmd reflexive-list route routing rsvp rtcp sap sdr security source-route subnet-zero tacacs tcp tcp-small-servers telnet tftp timestamps udp-small-servers vrf wccp"
list_options = Set.fromList $ words $ "accounting accounting-list accounting-threshold accounting-transits address-pool as-path audit auth-proxy authentication authorization bgp-community bootp cef classless community-list default-gateway default-network dhcp dhcp-server domain-list domain-lookup domain-name dvmrp exec-callback extcommunity-list finger flow-aggregation flow-cache flow-export forward-protocol ftp gratuitous-arps host host-routing hp-host http icmp inspect local mrm mroute msdp multicast multicast-routing name-server nat new-model ospf password password-encryption pgm pim port-map prefix-list radius rcmd reflexive-list route routing rsvp rtcp sap sdr security source-route subnet-zero tacacs tcp tcp-small-servers telnet tftp timestamps udp-small-servers vrf wccp"
regex_'5cbdone'5cb = compileRegex "\\bdone\\b"
regex_'5cbdo'5cb = compileRegex "\\bdo\\b"
regex_'5cbelif'5cb = compileRegex "\\belif\\b"
regex_'5cbif'5cb = compileRegex "\\bif\\b"
regex_'5cbfi'5cb = compileRegex "\\bfi\\b"
regex_'5cbcase'5cb = compileRegex "\\bcase\\b"
regex_'5cbesac'5cb = compileRegex "\\besac\\b"
regex_'5b'5e'28'29'5d'2b'5c'29 = compileRegex "[^()]+\\)"
regex_'5c'24'5bA'2dZa'2dz0'2d9'5f'3f'7b'7d'21'5d'2b = compileRegex "\\$[A-Za-z0-9_?{}!]+"
regex_'23'2e'2a'24 = compileRegex "#.*$"
regex_'5c'24'5bA'2dZa'2dz0'2d9'5f'3f'5d'2b = compileRegex "\\$[A-Za-z0-9_?]+"
defaultAttributes = [("Base","Normal Text"),("String","String"),("Single Quote","String"),("Substitution","Substitution"),("Parameter","Parameter")]
parseRules "Base" =
do (attr, result) <- (((pRegExpr regex_'5cbdone'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbdo'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbelif'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbif'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbfi'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbcase'5cb >>= withAttribute "Keyword"))
<|>
((pRegExpr regex_'5cbesac'5cb >>= withAttribute "Keyword"))
<|>
((pColumn 0 >> pRegExpr regex_'5b'5e'28'29'5d'2b'5c'29 >>= withAttribute "Keyword"))
<|>
((pDetect2Chars False ';' ';' >>= withAttribute "Keyword"))
<|>
((pDetectChar False '{' >>= withAttribute "Keyword"))
<|>
((pDetectChar False '}' >>= withAttribute "Keyword"))
<|>
((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_commands >>= withAttribute "Command"))
<|>
((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_parameters >>= withAttribute "Parameter"))
<|>
((pKeyword " \n\t.():!+,-<=>%&*/;?[]^{|}~\\" list_options >>= withAttribute "Keyword"))
<|>
((pInt >>= withAttribute "Decimal"))
<|>
((pRegExpr regex_'5c'24'5bA'2dZa'2dz0'2d9'5f'3f'7b'7d'21'5d'2b >>= withAttribute "Parameter"))
<|>
((pRangeDetect '"' '"' >>= withAttribute "String"))
<|>
((pAnyChar "|<>=;" >>= withAttribute "Operator"))
<|>
((pDetectChar False '\'' >>= withAttribute "String") >>~ pushContext "Single Quote")
<|>
((pDetectChar False '`' >>= withAttribute "Substitution") >>~ pushContext "Substitution")
<|>
((pDetect2Chars False '\\' '#' >>= withAttribute "Normal Text"))
<|>
((pRegExpr regex_'23'2e'2a'24 >>= withAttribute "Comment")))
return (attr, result)
parseRules "String" =
do (attr, result) <- (((pDetect2Chars False '\\' '\\' >>= withAttribute "String"))
<|>
((pDetect2Chars False '\\' '"' >>= withAttribute "String"))
<|>
((pDetectChar False '"' >>= withAttribute "String") >>~ (popContext)))
return (attr, result)
parseRules "Single Quote" =
do (attr, result) <- (((pDetect2Chars False '\\' '\\' >>= withAttribute "String"))
<|>
((pDetect2Chars False '\\' '\'' >>= withAttribute "String"))
<|>
((pDetectChar False '\'' >>= withAttribute "String") >>~ (popContext)))
return (attr, result)
parseRules "Substitution" =
do (attr, result) <- (((pDetect2Chars False '\\' '\\' >>= withAttribute "String"))
<|>
((pDetect2Chars False '\\' '`' >>= withAttribute "String"))
<|>
((pDetectChar False '`' >>= withAttribute "Substitution") >>~ (popContext)))
return (attr, result)
parseRules "Parameter" =
do (attr, result) <- ((pRegExpr regex_'5c'24'5bA'2dZa'2dz0'2d9'5f'3f'5d'2b >>= withAttribute "Parameter") >>~ (popContext))
return (attr, result)
parseRules x = fail $ "Unknown context" ++ x