module Text.Highlighting.Kate.Syntax.Changelog
(highlight, parseExpression, syntaxName, syntaxExtensions)
where
import Text.Highlighting.Kate.Types
import Text.Highlighting.Kate.Common
import Text.ParserCombinators.Parsec hiding (State)
import Control.Monad.State
import Data.Char (isSpace)
syntaxName :: String
syntaxName :: [Char]
syntaxName = [Char]
"ChangeLog"
syntaxExtensions :: String
syntaxExtensions :: [Char]
syntaxExtensions = [Char]
"ChangeLog"
highlight :: String -> [SourceLine]
highlight :: [Char] -> [SourceLine]
highlight [Char]
input = State SyntaxState [SourceLine] -> SyntaxState -> [SourceLine]
forall s a. State s a -> s -> a
evalState (([Char] -> StateT SyntaxState Identity SourceLine)
-> [[Char]] -> State SyntaxState [SourceLine]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM [Char] -> StateT SyntaxState Identity SourceLine
parseSourceLine ([[Char]] -> State SyntaxState [SourceLine])
-> [[Char]] -> State SyntaxState [SourceLine]
forall a b. (a -> b) -> a -> b
$ [Char] -> [[Char]]
lines [Char]
input) SyntaxState
startingState
parseSourceLine :: String -> State SyntaxState SourceLine
parseSourceLine :: [Char] -> StateT SyntaxState Identity SourceLine
parseSourceLine = KateParser Token
-> [Char] -> StateT SyntaxState Identity SourceLine
mkParseSourceLine (Maybe ([Char], [Char]) -> KateParser Token
parseExpression Maybe ([Char], [Char])
forall a. Maybe a
Nothing)
parseExpression :: Maybe (String,String)
-> KateParser Token
parseExpression :: Maybe ([Char], [Char]) -> KateParser Token
parseExpression Maybe ([Char], [Char])
mbcontext = do
([Char]
lang,[Char]
cont) <- KateParser ([Char], [Char])
-> (([Char], [Char]) -> KateParser ([Char], [Char]))
-> Maybe ([Char], [Char])
-> KateParser ([Char], [Char])
forall b a. b -> (a -> b) -> Maybe a -> b
maybe KateParser ([Char], [Char])
currentContext ([Char], [Char]) -> KateParser ([Char], [Char])
forall (m :: * -> *) a. Monad m => a -> m a
return Maybe ([Char], [Char])
mbcontext
Token
result <- ([Char], [Char]) -> KateParser Token
parseRules ([Char]
lang,[Char]
cont)
ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
forall s (m :: * -> *) t u a.
Stream s m t =>
ParsecT s u m a -> ParsecT s u m ()
optional (ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ())
-> ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ do ParsecT [Char] SyntaxState Identity ()
forall s (m :: * -> *) t u.
(Stream s m t, Show t) =>
ParsecT s u m ()
eof
(SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStPrevChar :: Char
synStPrevChar = Char
'\n' }
ParsecT [Char] SyntaxState Identity ()
pEndLine
Token -> KateParser Token
forall (m :: * -> *) a. Monad m => a -> m a
return Token
result
startingState :: SyntaxState
startingState = SyntaxState :: ContextStack
-> Int
-> Char
-> Bool
-> Bool
-> Bool
-> Bool
-> [[Char]]
-> SyntaxState
SyntaxState {synStContexts :: ContextStack
synStContexts = [([Char]
"ChangeLog",[Char]
"Normal")], synStLineNumber :: Int
synStLineNumber = Int
0, synStPrevChar :: Char
synStPrevChar = Char
'\n', synStPrevNonspace :: Bool
synStPrevNonspace = Bool
False, synStContinuation :: Bool
synStContinuation = Bool
False, synStCaseSensitive :: Bool
synStCaseSensitive = Bool
True, synStKeywordCaseSensitive :: Bool
synStKeywordCaseSensitive = Bool
True, synStCaptures :: [[Char]]
synStCaptures = []}
pEndLine :: ParsecT [Char] SyntaxState Identity ()
pEndLine = do
(SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStPrevNonspace :: Bool
synStPrevNonspace = Bool
False }
([Char], [Char])
context <- KateParser ([Char], [Char])
currentContext
ContextStack
contexts <- SyntaxState -> ContextStack
synStContexts (SyntaxState -> ContextStack)
-> ParsecT [Char] SyntaxState Identity SyntaxState
-> ParsecT [Char] SyntaxState Identity ContextStack
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
`fmap` ParsecT [Char] SyntaxState Identity SyntaxState
forall (m :: * -> *) s u. Monad m => ParsecT s u m u
getState
SyntaxState
st <- ParsecT [Char] SyntaxState Identity SyntaxState
forall (m :: * -> *) s u. Monad m => ParsecT s u m u
getState
if ContextStack -> Int
forall (t :: * -> *) a. Foldable t => t a -> Int
length ContextStack
contexts Int -> Int -> Bool
forall a. Ord a => a -> a -> Bool
>= Int
2
then case ([Char], [Char])
context of
([Char], [Char])
_ | SyntaxState -> Bool
synStContinuation SyntaxState
st -> (SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ())
-> (SyntaxState -> SyntaxState)
-> ParsecT [Char] SyntaxState Identity ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st{ synStContinuation :: Bool
synStContinuation = Bool
False }
([Char]
"ChangeLog",[Char]
"Normal") -> () -> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
([Char]
"ChangeLog",[Char]
"line") -> (ParsecT [Char] SyntaxState Identity ()
popContext) ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT [Char] SyntaxState Identity ()
pEndLine
([Char]
"ChangeLog",[Char]
"entry") -> (ParsecT [Char] SyntaxState Identity ()
popContext) ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT [Char] SyntaxState Identity ()
pEndLine
([Char], [Char])
_ -> () -> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
else () -> ParsecT [Char] SyntaxState Identity ()
forall (m :: * -> *) a. Monad m => a -> m a
return ()
withAttribute :: a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute a
attr [Char]
txt = do
Bool -> ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ()
forall (f :: * -> *). Applicative f => Bool -> f () -> f ()
when ([Char] -> Bool
forall (t :: * -> *) a. Foldable t => t a -> Bool
null [Char]
txt) (ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ())
-> ParsecT s SyntaxState m () -> ParsecT s SyntaxState m ()
forall a b. (a -> b) -> a -> b
$ [Char] -> ParsecT s SyntaxState m ()
forall (m :: * -> *) a. MonadFail m => [Char] -> m a
fail [Char]
"Parser matched no text"
(SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ()
forall (m :: * -> *) u s. Monad m => (u -> u) -> ParsecT s u m ()
updateState ((SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ())
-> (SyntaxState -> SyntaxState) -> ParsecT s SyntaxState m ()
forall a b. (a -> b) -> a -> b
$ \SyntaxState
st -> SyntaxState
st { synStPrevChar :: Char
synStPrevChar = [Char] -> Char
forall a. [a] -> a
last [Char]
txt
, synStPrevNonspace :: Bool
synStPrevNonspace = SyntaxState -> Bool
synStPrevNonspace SyntaxState
st Bool -> Bool -> Bool
|| Bool -> Bool
not ((Char -> Bool) -> [Char] -> Bool
forall (t :: * -> *) a. Foldable t => (a -> Bool) -> t a -> Bool
all Char -> Bool
isSpace [Char]
txt) }
(a, [Char]) -> ParsecT s SyntaxState m (a, [Char])
forall (m :: * -> *) a. Monad m => a -> m a
return (a
attr, [Char]
txt)
regex_'5cd'5cd'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a :: Regex
regex_'5cd'5cd'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a = Bool -> [Char] -> Regex
compileRegex Bool
True [Char]
"\\d\\d\\d\\d\\s*-\\s*\\d\\d\\s*-\\s*\\d\\d\\s*"
regex_'28'5cw'5cs'2a'29'2b :: Regex
regex_'28'5cw'5cs'2a'29'2b = Bool -> [Char] -> Regex
compileRegex Bool
True [Char]
"(\\w\\s*)+"
regex_'3c'2e'2a'3e'5cs'2a'24 :: Regex
regex_'3c'2e'2a'3e'5cs'2a'24 = Bool -> [Char] -> Regex
compileRegex Bool
True [Char]
"<.*>\\s*$"
regex_'2e'2a'3a :: Regex
regex_'2e'2a'3a = Bool -> [Char] -> Regex
compileRegex Bool
True [Char]
".*:"
parseRules :: ([Char], [Char]) -> KateParser Token
parseRules ([Char]
"ChangeLog",[Char]
"Normal") =
(((ParsecT [Char] SyntaxState Identity ()
pFirstNonSpace ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity [Char]
-> ParsecT [Char] SyntaxState Identity [Char]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Bool -> Char -> ParsecT [Char] SyntaxState Identity [Char]
pDetectChar Bool
False Char
'*' ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
DecValTok) KateParser Token
-> ParsecT [Char] SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ ([Char], [Char]) -> ParsecT [Char] SyntaxState Identity ()
pushContext ([Char]
"ChangeLog",[Char]
"entry"))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((Int -> ParsecT [Char] SyntaxState Identity ()
forall tok st. Int -> GenParser tok st ()
pColumn Int
0 ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity [Char]
-> ParsecT [Char] SyntaxState Identity [Char]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> Regex -> ParsecT [Char] SyntaxState Identity [Char]
pRegExpr Regex
regex_'5cd'5cd'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a'2d'5cs'2a'5cd'5cd'5cs'2a ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
DataTypeTok) KateParser Token
-> ParsecT [Char] SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ ([Char], [Char]) -> ParsecT [Char] SyntaxState Identity ()
pushContext ([Char]
"ChangeLog",[Char]
"line"))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
(KateParser ([Char], [Char])
currentContext KateParser ([Char], [Char])
-> (([Char], [Char]) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \([Char], [Char])
x -> Bool -> ParsecT [Char] SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (([Char], [Char])
x ([Char], [Char]) -> ([Char], [Char]) -> Bool
forall a. Eq a => a -> a -> Bool
== ([Char]
"ChangeLog",[Char]
"Normal")) ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity [Char]
-> ParsecT [Char] SyntaxState Identity [Char]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT [Char] SyntaxState Identity [Char]
pDefault ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
NormalTok))
parseRules ([Char]
"ChangeLog",[Char]
"line") =
(((Regex -> ParsecT [Char] SyntaxState Identity [Char]
pRegExpr Regex
regex_'28'5cw'5cs'2a'29'2b ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
KeywordTok))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
((Regex -> ParsecT [Char] SyntaxState Identity [Char]
pRegExpr Regex
regex_'3c'2e'2a'3e'5cs'2a'24 ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
OtherTok) KateParser Token
-> ParsecT [Char] SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ (ParsecT [Char] SyntaxState Identity ()
popContext))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
(KateParser ([Char], [Char])
currentContext KateParser ([Char], [Char])
-> (([Char], [Char]) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \([Char], [Char])
x -> Bool -> ParsecT [Char] SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (([Char], [Char])
x ([Char], [Char]) -> ([Char], [Char]) -> Bool
forall a. Eq a => a -> a -> Bool
== ([Char]
"ChangeLog",[Char]
"line")) ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity [Char]
-> ParsecT [Char] SyntaxState Identity [Char]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT [Char] SyntaxState Identity [Char]
pDefault ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
NormalTok))
parseRules ([Char]
"ChangeLog",[Char]
"entry") =
(((Regex -> ParsecT [Char] SyntaxState Identity [Char]
pRegExpr Regex
regex_'2e'2a'3a ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
DecValTok) KateParser Token
-> ParsecT [Char] SyntaxState Identity () -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> m b -> m a
>>~ (ParsecT [Char] SyntaxState Identity ()
popContext))
KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|>
(KateParser ([Char], [Char])
currentContext KateParser ([Char], [Char])
-> (([Char], [Char]) -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= \([Char], [Char])
x -> Bool -> ParsecT [Char] SyntaxState Identity ()
forall (f :: * -> *). Alternative f => Bool -> f ()
guard (([Char], [Char])
x ([Char], [Char]) -> ([Char], [Char]) -> Bool
forall a. Eq a => a -> a -> Bool
== ([Char]
"ChangeLog",[Char]
"entry")) ParsecT [Char] SyntaxState Identity ()
-> ParsecT [Char] SyntaxState Identity [Char]
-> ParsecT [Char] SyntaxState Identity [Char]
forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> ParsecT [Char] SyntaxState Identity [Char]
pDefault ParsecT [Char] SyntaxState Identity [Char]
-> ([Char] -> KateParser Token) -> KateParser Token
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= TokenType -> [Char] -> KateParser Token
forall {m :: * -> *} {a} {s}.
Monad m =>
a -> [Char] -> ParsecT s SyntaxState m (a, [Char])
withAttribute TokenType
NormalTok))
parseRules ([Char], [Char])
x = ([Char], [Char]) -> KateParser Token
parseRules ([Char]
"ChangeLog",[Char]
"Normal") KateParser Token -> KateParser Token -> KateParser Token
forall s u (m :: * -> *) a.
ParsecT s u m a -> ParsecT s u m a -> ParsecT s u m a
<|> [Char] -> KateParser Token
forall (m :: * -> *) a. MonadFail m => [Char] -> m a
fail ([Char]
"Unknown context" [Char] -> [Char] -> [Char]
forall a. [a] -> [a] -> [a]
++ ([Char], [Char]) -> [Char]
forall a. Show a => a -> [Char]
show ([Char], [Char])
x)