module Language.Docker.Parser.Expose
( parseExpose,
)
where
import qualified Data.Text as T
import Language.Docker.Parser.Prelude
import Language.Docker.Syntax
parseExpose :: (?esc :: Char) => Parser (Instruction Text)
parseExpose :: (?esc::Char) => Parser (Instruction Text)
parseExpose = do
(?esc::Char) => Text -> Parser ()
reserved Text
"EXPOSE"
forall args. Ports -> Instruction args
Expose forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (?esc::Char) => Parser Ports
ports
port :: (?esc :: Char) => Parser Port
port :: (?esc::Char) => Parser Port
port = (forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try (?esc::Char) => Parser Port
portVariable forall e s (m :: * -> *) a.
MonadParsec e s m =>
m a -> String -> m a
<?> String
"a variable")
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> (forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try Parser Port
portRange forall e s (m :: * -> *) a.
MonadParsec e s m =>
m a -> String -> m a
<?> String
"a port range optionally followed by the protocol (udp/tcp)")
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> (forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try Parser Port
portWithProtocol forall e s (m :: * -> *) a.
MonadParsec e s m =>
m a -> String -> m a
<?> String
"a port with its protocol (udp/tcp)")
forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> (Parser Port
portInt forall e s (m :: * -> *) a.
MonadParsec e s m =>
m a -> String -> m a
<?> String
"a valid port number")
ports :: (?esc :: Char) => Parser Ports
ports :: (?esc::Char) => Parser Ports
ports = [Port] -> Ports
Ports forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> (?esc::Char) => Parser Port
port forall (m :: * -> *) a sep. MonadPlus m => m a -> m sep -> m [a]
`sepEndBy` (?esc::Char) => Parser ()
requiredWhitespace
portRange :: Parser Port
portRange :: Parser Port
portRange = do
Integer
start <- Parser Integer
natural
forall (f :: * -> *) a. Functor f => f a -> f ()
void forall a b. (a -> b) -> a -> b
$ forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
Token s -> m (Token s)
char Char
'-'
Integer
finish <- forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try Parser Integer
natural
Protocol
proto <- forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try ParsecT DockerfileError Text Identity Protocol
protocol forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall (m :: * -> *) a. Monad m => a -> m a
return Protocol
TCP
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Int -> Int -> Protocol -> Port
PortRange (forall a b. (Integral a, Num b) => a -> b
fromIntegral Integer
start) (forall a b. (Integral a, Num b) => a -> b
fromIntegral Integer
finish) Protocol
proto
protocol :: Parser Protocol
protocol :: ParsecT DockerfileError Text Identity Protocol
protocol = do
forall (f :: * -> *) a. Functor f => f a -> f ()
void (forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
Token s -> m (Token s)
char Char
'/')
forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m a
try (ParsecT DockerfileError Text Identity Protocol
tcp forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> ParsecT DockerfileError Text Identity Protocol
udp) forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"invalid protocol"
where
tcp :: ParsecT DockerfileError Text Identity Protocol
tcp = Text -> Parser Text
caseInsensitiveString Text
"tcp" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return Protocol
TCP
udp :: ParsecT DockerfileError Text Identity Protocol
udp = Text -> Parser Text
caseInsensitiveString Text
"udp" forall (m :: * -> *) a b. Monad m => m a -> m b -> m b
>> forall (m :: * -> *) a. Monad m => a -> m a
return Protocol
UDP
portInt :: Parser Port
portInt :: Parser Port
portInt = do
Integer
portNumber <- Parser Integer
natural
forall e s (m :: * -> *) a. MonadParsec e s m => m a -> m ()
notFollowedBy (forall e s (m :: * -> *).
MonadParsec e s m =>
Tokens s -> m (Tokens s)
string Tokens Text
"/" forall (f :: * -> *) a. Alternative f => f a -> f a -> f a
<|> forall e s (m :: * -> *).
MonadParsec e s m =>
Tokens s -> m (Tokens s)
string Tokens Text
"-")
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Int -> Protocol -> Port
Port (forall a b. (Integral a, Num b) => a -> b
fromIntegral Integer
portNumber) Protocol
TCP
portWithProtocol :: Parser Port
portWithProtocol :: Parser Port
portWithProtocol = do
Integer
portNumber <- Parser Integer
natural
Int -> Protocol -> Port
Port (forall a b. (Integral a, Num b) => a -> b
fromIntegral Integer
portNumber) forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> ParsecT DockerfileError Text Identity Protocol
protocol
portVariable :: (?esc :: Char) => Parser Port
portVariable :: (?esc::Char) => Parser Port
portVariable = do
forall (f :: * -> *) a. Functor f => f a -> f ()
void (forall e s (m :: * -> *).
(MonadParsec e s m, Token s ~ Char) =>
Token s -> m (Token s)
char Char
'$')
Text
variable <- (?esc::Char) => String -> (Char -> Bool) -> Parser Text
someUnless String
"the variable name" (forall a. Eq a => a -> a -> Bool
== Char
'$')
forall (m :: * -> *) a. Monad m => a -> m a
return forall a b. (a -> b) -> a -> b
$ Text -> Port
PortStr (Text -> Text -> Text
T.append Text
"$" Text
variable)