{-# LANGUAGE CPP #-}
{-# LANGUAGE DeriveDataTypeable #-}
{-# LANGUAGE OverloadedStrings #-}
module Data.Yaml.Parser where
import Control.Applicative
import Control.Monad (MonadPlus (..), liftM, ap)
import Control.Exception.Safe
import Control.Monad.IO.Class
import Control.Monad.Trans.Writer.Strict (tell, WriterT, runWriterT)
import Data.ByteString (ByteString)
import qualified Data.Map as Map
#if !MIN_VERSION_base(4,8,0)
import Data.Monoid (Monoid (..))
#endif
#if !MIN_VERSION_base(4,11,0)
import Data.Semigroup (Semigroup(..))
#endif
import Data.Yaml.Internal
import Data.Text (Text, pack, unpack)
import Data.Text.Encoding (decodeUtf8)
import Data.Text.Read (signed, decimal)
import Streamly.Prelude (SerialT)
import Streamly.Internal.Data.Parser (Parser)
import qualified Streamly.Internal.Data.Stream.IsStream.Eliminate as Stream
import Streamly.Internal.Data.Parser.ParserK.Type (fromEffect, die)
import Streamly.Internal.Data.Parser.ParserK.Type (toParserK)
#if MIN_VERSION_streamly(0,8,1)
import Streamly.Internal.Data.Stream.IsStream.Lift (hoist)
#else
import Streamly.Internal.Data.Stream.StreamK (hoist)
#endif
import Text.Libyaml
newtype YamlParser a = YamlParser
{ YamlParser a -> AnchorMap -> Either Text a
unYamlParser :: AnchorMap -> Either Text a
}
instance Functor YamlParser where
fmap :: (a -> b) -> YamlParser a -> YamlParser b
fmap = (a -> b) -> YamlParser a -> YamlParser b
forall (m :: * -> *) a1 r. Monad m => (a1 -> r) -> m a1 -> m r
liftM
instance Applicative YamlParser where
pure :: a -> YamlParser a
pure = (AnchorMap -> Either Text a) -> YamlParser a
forall a. (AnchorMap -> Either Text a) -> YamlParser a
YamlParser ((AnchorMap -> Either Text a) -> YamlParser a)
-> (a -> AnchorMap -> Either Text a) -> a -> YamlParser a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Either Text a -> AnchorMap -> Either Text a
forall a b. a -> b -> a
const (Either Text a -> AnchorMap -> Either Text a)
-> (a -> Either Text a) -> a -> AnchorMap -> Either Text a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. a -> Either Text a
forall a b. b -> Either a b
Right
<*> :: YamlParser (a -> b) -> YamlParser a -> YamlParser b
(<*>) = YamlParser (a -> b) -> YamlParser a -> YamlParser b
forall (m :: * -> *) a b. Monad m => m (a -> b) -> m a -> m b
ap
instance Alternative YamlParser where
empty :: YamlParser a
empty = String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"empty"
<|> :: YamlParser a -> YamlParser a -> YamlParser a
(<|>) = YamlParser a -> YamlParser a -> YamlParser a
forall (m :: * -> *) a. MonadPlus m => m a -> m a -> m a
mplus
instance Semigroup (YamlParser a) where
<> :: YamlParser a -> YamlParser a -> YamlParser a
(<>) = YamlParser a -> YamlParser a -> YamlParser a
forall (m :: * -> *) a. MonadPlus m => m a -> m a -> m a
mplus
instance Monoid (YamlParser a) where
mempty :: YamlParser a
mempty = String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"mempty"
#if !MIN_VERSION_base(4,11,0)
mappend = (<>)
#endif
instance Monad YamlParser where
return :: a -> YamlParser a
return = a -> YamlParser a
forall (f :: * -> *) a. Applicative f => a -> f a
pure
YamlParser AnchorMap -> Either Text a
f >>= :: YamlParser a -> (a -> YamlParser b) -> YamlParser b
>>= a -> YamlParser b
g = (AnchorMap -> Either Text b) -> YamlParser b
forall a. (AnchorMap -> Either Text a) -> YamlParser a
YamlParser ((AnchorMap -> Either Text b) -> YamlParser b)
-> (AnchorMap -> Either Text b) -> YamlParser b
forall a b. (a -> b) -> a -> b
$ \AnchorMap
am ->
case AnchorMap -> Either Text a
f AnchorMap
am of
Left Text
t -> Text -> Either Text b
forall a b. a -> Either a b
Left Text
t
Right a
x -> YamlParser b -> AnchorMap -> Either Text b
forall a. YamlParser a -> AnchorMap -> Either Text a
unYamlParser (a -> YamlParser b
g a
x) AnchorMap
am
#if MIN_VERSION_base(4,13,0)
instance MonadFail YamlParser where
#endif
fail :: String -> YamlParser a
fail = (AnchorMap -> Either Text a) -> YamlParser a
forall a. (AnchorMap -> Either Text a) -> YamlParser a
YamlParser ((AnchorMap -> Either Text a) -> YamlParser a)
-> (String -> AnchorMap -> Either Text a) -> String -> YamlParser a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Either Text a -> AnchorMap -> Either Text a
forall a b. a -> b -> a
const (Either Text a -> AnchorMap -> Either Text a)
-> (String -> Either Text a)
-> String
-> AnchorMap
-> Either Text a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. Text -> Either Text a
forall a b. a -> Either a b
Left (Text -> Either Text a)
-> (String -> Text) -> String -> Either Text a
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> Text
pack
instance MonadPlus YamlParser where
mzero :: YamlParser a
mzero = String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail String
"mzero"
mplus :: YamlParser a -> YamlParser a -> YamlParser a
mplus YamlParser a
a YamlParser a
b = (AnchorMap -> Either Text a) -> YamlParser a
forall a. (AnchorMap -> Either Text a) -> YamlParser a
YamlParser ((AnchorMap -> Either Text a) -> YamlParser a)
-> (AnchorMap -> Either Text a) -> YamlParser a
forall a b. (a -> b) -> a -> b
$ \AnchorMap
am ->
case YamlParser a -> AnchorMap -> Either Text a
forall a. YamlParser a -> AnchorMap -> Either Text a
unYamlParser YamlParser a
a AnchorMap
am of
Left Text
_ -> YamlParser a -> AnchorMap -> Either Text a
forall a. YamlParser a -> AnchorMap -> Either Text a
unYamlParser YamlParser a
b AnchorMap
am
Either Text a
x -> Either Text a
x
lookupAnchor :: AnchorName -> YamlParser (Maybe YamlValue)
lookupAnchor :: String -> YamlParser (Maybe YamlValue)
lookupAnchor String
name = (AnchorMap -> Either Text (Maybe YamlValue))
-> YamlParser (Maybe YamlValue)
forall a. (AnchorMap -> Either Text a) -> YamlParser a
YamlParser ((AnchorMap -> Either Text (Maybe YamlValue))
-> YamlParser (Maybe YamlValue))
-> (AnchorMap -> Either Text (Maybe YamlValue))
-> YamlParser (Maybe YamlValue)
forall a b. (a -> b) -> a -> b
$ Maybe YamlValue -> Either Text (Maybe YamlValue)
forall a b. b -> Either a b
Right (Maybe YamlValue -> Either Text (Maybe YamlValue))
-> (AnchorMap -> Maybe YamlValue)
-> AnchorMap
-> Either Text (Maybe YamlValue)
forall b c a. (b -> c) -> (a -> b) -> a -> c
. String -> AnchorMap -> Maybe YamlValue
forall k a. Ord k => k -> Map k a -> Maybe a
Map.lookup String
name
withAnchor :: AnchorName -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
withAnchor :: String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
withAnchor String
name Text
expected YamlValue -> YamlParser a
f = do
Maybe YamlValue
mv <- String -> YamlParser (Maybe YamlValue)
lookupAnchor String
name
case Maybe YamlValue
mv of
Maybe YamlValue
Nothing -> String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> YamlParser a) -> String -> YamlParser a
forall a b. (a -> b) -> a -> b
$ Text -> String
unpack Text
expected String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
": unknown alias " String -> String -> String
forall a. [a] -> [a] -> [a]
++ String
name
Just YamlValue
v -> YamlValue -> YamlParser a
f YamlValue
v
withMapping :: Text -> ([(Text, YamlValue)] -> YamlParser a) -> YamlValue -> YamlParser a
withMapping :: Text
-> ([(Text, YamlValue)] -> YamlParser a)
-> YamlValue
-> YamlParser a
withMapping Text
_ [(Text, YamlValue)] -> YamlParser a
f (Mapping [(Text, YamlValue)]
m Anchor
_) = [(Text, YamlValue)] -> YamlParser a
f [(Text, YamlValue)]
m
withMapping Text
expected [(Text, YamlValue)] -> YamlParser a
f (Alias String
an) = String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
forall a.
String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
withAnchor String
an Text
expected ((YamlValue -> YamlParser a) -> YamlParser a)
-> (YamlValue -> YamlParser a) -> YamlParser a
forall a b. (a -> b) -> a -> b
$ Text
-> ([(Text, YamlValue)] -> YamlParser a)
-> YamlValue
-> YamlParser a
forall a.
Text
-> ([(Text, YamlValue)] -> YamlParser a)
-> YamlValue
-> YamlParser a
withMapping Text
expected [(Text, YamlValue)] -> YamlParser a
f
withMapping Text
expected [(Text, YamlValue)] -> YamlParser a
_ YamlValue
v = Text -> YamlValue -> YamlParser a
forall a. Text -> YamlValue -> YamlParser a
typeMismatch Text
expected YamlValue
v
withSequence :: Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a
withSequence :: Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a
withSequence Text
_ [YamlValue] -> YamlParser a
f (Sequence [YamlValue]
s Anchor
_) = [YamlValue] -> YamlParser a
f [YamlValue]
s
withSequence Text
expected [YamlValue] -> YamlParser a
f (Alias String
an) = String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
forall a.
String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
withAnchor String
an Text
expected ((YamlValue -> YamlParser a) -> YamlParser a)
-> (YamlValue -> YamlParser a) -> YamlParser a
forall a b. (a -> b) -> a -> b
$ Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a
forall a.
Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a
withSequence Text
expected [YamlValue] -> YamlParser a
f
withSequence Text
expected [YamlValue] -> YamlParser a
_ YamlValue
v = Text -> YamlValue -> YamlParser a
forall a. Text -> YamlValue -> YamlParser a
typeMismatch Text
expected YamlValue
v
withText :: Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
withText :: Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
withText Text
_ Text -> YamlParser a
f (Scalar ByteString
s Tag
_ Style
_ Anchor
_) = Text -> YamlParser a
f (Text -> YamlParser a) -> Text -> YamlParser a
forall a b. (a -> b) -> a -> b
$ ByteString -> Text
decodeUtf8 ByteString
s
withText Text
expected Text -> YamlParser a
f (Alias String
an) = String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
forall a.
String -> Text -> (YamlValue -> YamlParser a) -> YamlParser a
withAnchor String
an Text
expected ((YamlValue -> YamlParser a) -> YamlParser a)
-> (YamlValue -> YamlParser a) -> YamlParser a
forall a b. (a -> b) -> a -> b
$ Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
forall a.
Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
withText Text
expected Text -> YamlParser a
f
withText Text
expected Text -> YamlParser a
_ YamlValue
v = Text -> YamlValue -> YamlParser a
forall a. Text -> YamlValue -> YamlParser a
typeMismatch Text
expected YamlValue
v
typeMismatch :: Text -> YamlValue -> YamlParser a
typeMismatch :: Text -> YamlValue -> YamlParser a
typeMismatch Text
expected YamlValue
v =
String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> YamlParser a) -> String -> YamlParser a
forall a b. (a -> b) -> a -> b
$ [String] -> String
forall (t :: * -> *) a. Foldable t => t [a] -> [a]
concat
[ String
"Expected "
, Text -> String
unpack Text
expected
, String
", but got: "
, String
t
]
where
t :: String
t = case YamlValue
v of
Mapping [(Text, YamlValue)]
_ Anchor
_ -> String
"mapping"
Sequence [YamlValue]
_ Anchor
_ -> String
"sequence"
Scalar ByteString
_ Tag
_ Style
_ Anchor
_ -> String
"scalar"
Alias String
_ -> String
"alias"
class FromYaml a where
fromYaml :: YamlValue -> YamlParser a
instance FromYaml YamlValue where
fromYaml :: YamlValue -> YamlParser YamlValue
fromYaml = YamlValue -> YamlParser YamlValue
forall (m :: * -> *) a. Monad m => a -> m a
return
instance FromYaml a => FromYaml [a] where
fromYaml :: YamlValue -> YamlParser [a]
fromYaml = Text
-> ([YamlValue] -> YamlParser [a]) -> YamlValue -> YamlParser [a]
forall a.
Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a
withSequence Text
"[a]" ((YamlValue -> YamlParser a) -> [YamlValue] -> YamlParser [a]
forall (t :: * -> *) (m :: * -> *) a b.
(Traversable t, Monad m) =>
(a -> m b) -> t a -> m (t b)
mapM YamlValue -> YamlParser a
forall a. FromYaml a => YamlValue -> YamlParser a
fromYaml)
instance FromYaml Text where
fromYaml :: YamlValue -> YamlParser Text
fromYaml = Text -> (Text -> YamlParser Text) -> YamlValue -> YamlParser Text
forall a.
Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
withText Text
"Text" Text -> YamlParser Text
forall (m :: * -> *) a. Monad m => a -> m a
return
instance FromYaml Int where
fromYaml :: YamlValue -> YamlParser Int
fromYaml =
Text -> (Text -> YamlParser Int) -> YamlValue -> YamlParser Int
forall a.
Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a
withText Text
"Int" Text -> YamlParser Int
forall a (m :: * -> *). (Integral a, MonadFail m) => Text -> m a
go
where
go :: Text -> m a
go Text
t =
case Reader a -> Reader a
forall a. Num a => Reader a -> Reader a
signed Reader a
forall a. Integral a => Reader a
decimal Text
t of
Right (a
i, Text
"") -> a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return a
i
Either String (a, Text)
_ -> String -> m a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> m a) -> String -> m a
forall a b. (a -> b) -> a -> b
$ String
"Invalid Int: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Text -> String
unpack Text
t
data YamlValue
= Mapping [(Text, YamlValue)] Anchor
| Sequence [YamlValue] Anchor
| Scalar ByteString Tag Style Anchor
| Alias AnchorName
deriving Int -> YamlValue -> String -> String
[YamlValue] -> String -> String
YamlValue -> String
(Int -> YamlValue -> String -> String)
-> (YamlValue -> String)
-> ([YamlValue] -> String -> String)
-> Show YamlValue
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
showList :: [YamlValue] -> String -> String
$cshowList :: [YamlValue] -> String -> String
show :: YamlValue -> String
$cshow :: YamlValue -> String
showsPrec :: Int -> YamlValue -> String -> String
$cshowsPrec :: Int -> YamlValue -> String -> String
Show
type AnchorMap = Map.Map AnchorName YamlValue
data RawDoc = RawDoc YamlValue AnchorMap
deriving Int -> RawDoc -> String -> String
[RawDoc] -> String -> String
RawDoc -> String
(Int -> RawDoc -> String -> String)
-> (RawDoc -> String)
-> ([RawDoc] -> String -> String)
-> Show RawDoc
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
showList :: [RawDoc] -> String -> String
$cshowList :: [RawDoc] -> String -> String
show :: RawDoc -> String
$cshow :: RawDoc -> String
showsPrec :: Int -> RawDoc -> String -> String
$cshowsPrec :: Int -> RawDoc -> String -> String
Show
parseRawDoc :: (FromYaml a, MonadThrow m) => RawDoc -> m a
parseRawDoc :: RawDoc -> m a
parseRawDoc (RawDoc YamlValue
val AnchorMap
am) =
case YamlParser a -> AnchorMap -> Either Text a
forall a. YamlParser a -> AnchorMap -> Either Text a
unYamlParser (YamlValue -> YamlParser a
forall a. FromYaml a => YamlValue -> YamlParser a
fromYaml YamlValue
val) AnchorMap
am of
Left Text
t -> YamlParseException -> m a
forall (m :: * -> *) e a. (MonadThrow m, Exception e) => e -> m a
throwM (YamlParseException -> m a) -> YamlParseException -> m a
forall a b. (a -> b) -> a -> b
$ Text -> YamlParseException
FromYamlException Text
t
Right a
x -> a -> m a
forall (m :: * -> *) a. Monad m => a -> m a
return a
x
(.:) :: FromYaml a => [(Text, YamlValue)] -> Text -> YamlParser a
[(Text, YamlValue)]
o .: :: [(Text, YamlValue)] -> Text -> YamlParser a
.: Text
k =
case Text -> [(Text, YamlValue)] -> Maybe YamlValue
forall a b. Eq a => a -> [(a, b)] -> Maybe b
lookup Text
k [(Text, YamlValue)]
o of
Maybe YamlValue
Nothing -> String -> YamlParser a
forall (m :: * -> *) a. MonadFail m => String -> m a
fail (String -> YamlParser a) -> String -> YamlParser a
forall a b. (a -> b) -> a -> b
$ String
"Key not found: " String -> String -> String
forall a. [a] -> [a] -> [a]
++ Text -> String
unpack Text
k
Just YamlValue
v -> YamlValue -> YamlParser a
forall a. FromYaml a => YamlValue -> YamlParser a
fromYaml YamlValue
v
data YamlParseException
= UnexpectedEndOfEvents
| UnexpectedEvent Event
| FromYamlException Text
deriving (Int -> YamlParseException -> String -> String
[YamlParseException] -> String -> String
YamlParseException -> String
(Int -> YamlParseException -> String -> String)
-> (YamlParseException -> String)
-> ([YamlParseException] -> String -> String)
-> Show YamlParseException
forall a.
(Int -> a -> String -> String)
-> (a -> String) -> ([a] -> String -> String) -> Show a
showList :: [YamlParseException] -> String -> String
$cshowList :: [YamlParseException] -> String -> String
show :: YamlParseException -> String
$cshow :: YamlParseException -> String
showsPrec :: Int -> YamlParseException -> String -> String
$cshowsPrec :: Int -> YamlParseException -> String -> String
Show, Typeable)
instance Exception YamlParseException
{-# INLINE sinkValue #-}
sinkValue :: (MonadIO m, MonadCatch m, MonadThrow m) => Parser (WriterT AnchorMap m) Event YamlValue
sinkValue :: Parser (WriterT AnchorMap m) Event YamlValue
sinkValue = Parser (WriterT AnchorMap m) Event YamlValue
start
where
start :: Parser (WriterT AnchorMap m) Event YamlValue
start = Parser (WriterT AnchorMap m) Event (Maybe Event)
-> Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a b.
MonadCatch m =>
Parser m a b -> Parser m a b
toParserK Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a. MonadCatch m => Parser m a (Maybe a)
anyEvent Parser (WriterT AnchorMap m) Event (Maybe Event)
-> (Maybe Event -> Parser (WriterT AnchorMap m) Event YamlValue)
-> Parser (WriterT AnchorMap m) Event YamlValue
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= Parser (WriterT AnchorMap m) Event YamlValue
-> (Event -> Parser (WriterT AnchorMap m) Event YamlValue)
-> Maybe Event
-> Parser (WriterT AnchorMap m) Event YamlValue
forall b a. b -> (a -> b) -> Maybe a -> b
maybe (String -> Parser (WriterT AnchorMap m) Event YamlValue
forall (m :: * -> *) a b. String -> Parser m a b
die String
"Unexpected end of events") Event -> Parser (WriterT AnchorMap m) Event YamlValue
go
tell' :: Maybe k -> a -> Parser (WriterT (Map k a) m) a a
tell' Maybe k
Nothing a
val = a -> Parser (WriterT (Map k a) m) a a
forall (m :: * -> *) a. Monad m => a -> m a
return a
val
tell' (Just k
name) a
val = do
WriterT (Map k a) m () -> Parser (WriterT (Map k a) m) a ()
forall (m :: * -> *) b a. Monad m => m b -> Parser m a b
fromEffect (WriterT (Map k a) m () -> Parser (WriterT (Map k a) m) a ())
-> WriterT (Map k a) m () -> Parser (WriterT (Map k a) m) a ()
forall a b. (a -> b) -> a -> b
$ Map k a -> WriterT (Map k a) m ()
forall (m :: * -> *) w. Monad m => w -> WriterT w m ()
tell (Map k a -> WriterT (Map k a) m ())
-> Map k a -> WriterT (Map k a) m ()
forall a b. (a -> b) -> a -> b
$ k -> a -> Map k a
forall k a. k -> a -> Map k a
Map.singleton k
name a
val
a -> Parser (WriterT (Map k a) m) a a
forall (m :: * -> *) a. Monad m => a -> m a
return a
val
go :: Event -> Parser (WriterT AnchorMap m) Event YamlValue
go Event
EventStreamStart = Parser (WriterT AnchorMap m) Event YamlValue
start
go Event
EventDocumentStart = Parser (WriterT AnchorMap m) Event YamlValue
start
go (EventAlias String
a) = YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall (m :: * -> *) a. Monad m => a -> m a
return (YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue)
-> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall a b. (a -> b) -> a -> b
$ String -> YamlValue
Alias String
a
go (EventScalar ByteString
a Tag
b Style
c Anchor
d) = Anchor -> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall k (m :: * -> *) a a.
(Ord k, Monad m) =>
Maybe k -> a -> Parser (WriterT (Map k a) m) a a
tell' Anchor
d (YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue)
-> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall a b. (a -> b) -> a -> b
$ ByteString -> Tag -> Style -> Anchor -> YamlValue
Scalar ByteString
a Tag
b Style
c Anchor
d
go (EventSequenceStart Tag
_tag SequenceStyle
_style Anchor
mname) = do
[YamlValue]
vals <- ([YamlValue] -> [YamlValue])
-> Parser (WriterT AnchorMap m) Event [YamlValue]
goS [YamlValue] -> [YamlValue]
forall a. a -> a
id
let val :: YamlValue
val = [YamlValue] -> Anchor -> YamlValue
Sequence [YamlValue]
vals Anchor
mname
Anchor -> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall k (m :: * -> *) a a.
(Ord k, Monad m) =>
Maybe k -> a -> Parser (WriterT (Map k a) m) a a
tell' Anchor
mname YamlValue
val
go (EventMappingStart Tag
_tag MappingStyle
_style Anchor
mname) = do
[(Text, YamlValue)]
pairs <- ([(Text, YamlValue)] -> [(Text, YamlValue)])
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
goM [(Text, YamlValue)] -> [(Text, YamlValue)]
forall a. a -> a
id
let val :: YamlValue
val = [(Text, YamlValue)] -> Anchor -> YamlValue
Mapping [(Text, YamlValue)]
pairs Anchor
mname
Anchor -> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall k (m :: * -> *) a a.
(Ord k, Monad m) =>
Maybe k -> a -> Parser (WriterT (Map k a) m) a a
tell' Anchor
mname YamlValue
val
go Event
e = Maybe Event -> Parser (WriterT AnchorMap m) Event YamlValue
forall (m :: * -> *) a b.
(MonadIO m, MonadThrow m) =>
Maybe Event -> Parser m a b
missed (Event -> Maybe Event
forall a. a -> Maybe a
Just Event
e)
goS :: ([YamlValue] -> [YamlValue])
-> Parser (WriterT AnchorMap m) Event [YamlValue]
goS [YamlValue] -> [YamlValue]
front = do
Maybe Event
me <- Parser (WriterT AnchorMap m) Event (Maybe Event)
-> Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a b.
MonadCatch m =>
Parser m a b -> Parser m a b
toParserK Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a. MonadCatch m => Parser m a (Maybe a)
anyEvent
case Maybe Event
me of
Maybe Event
Nothing -> String -> Parser (WriterT AnchorMap m) Event [YamlValue]
forall (m :: * -> *) a b. String -> Parser m a b
die String
"Unexpected end of events"
Just Event
EventSequenceEnd -> [YamlValue] -> Parser (WriterT AnchorMap m) Event [YamlValue]
forall (m :: * -> *) a. Monad m => a -> m a
return ([YamlValue] -> Parser (WriterT AnchorMap m) Event [YamlValue])
-> [YamlValue] -> Parser (WriterT AnchorMap m) Event [YamlValue]
forall a b. (a -> b) -> a -> b
$ [YamlValue] -> [YamlValue]
front []
Just Event
e -> do
YamlValue
val <- Event -> Parser (WriterT AnchorMap m) Event YamlValue
go Event
e
([YamlValue] -> [YamlValue])
-> Parser (WriterT AnchorMap m) Event [YamlValue]
goS ([YamlValue] -> [YamlValue]
front ([YamlValue] -> [YamlValue])
-> ([YamlValue] -> [YamlValue]) -> [YamlValue] -> [YamlValue]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. (YamlValue
valYamlValue -> [YamlValue] -> [YamlValue]
forall a. a -> [a] -> [a]
:))
goM :: ([(Text, YamlValue)] -> [(Text, YamlValue)])
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
goM [(Text, YamlValue)] -> [(Text, YamlValue)]
front = do
Maybe Event
mk <- Parser (WriterT AnchorMap m) Event (Maybe Event)
-> Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a b.
MonadCatch m =>
Parser m a b -> Parser m a b
toParserK Parser (WriterT AnchorMap m) Event (Maybe Event)
forall (m :: * -> *) a. MonadCatch m => Parser m a (Maybe a)
anyEvent
case Maybe Event
mk of
Maybe Event
Nothing -> String -> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
forall (m :: * -> *) a b. String -> Parser m a b
die String
"Unexpected end of events"
Just Event
EventMappingEnd -> [(Text, YamlValue)]
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
forall (m :: * -> *) a. Monad m => a -> m a
return ([(Text, YamlValue)]
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)])
-> [(Text, YamlValue)]
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
forall a b. (a -> b) -> a -> b
$ [(Text, YamlValue)] -> [(Text, YamlValue)]
front []
Just (EventScalar ByteString
a Tag
b Style
c Anchor
d) -> do
YamlValue
_ <- Anchor -> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall k (m :: * -> *) a a.
(Ord k, Monad m) =>
Maybe k -> a -> Parser (WriterT (Map k a) m) a a
tell' Anchor
d (YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue)
-> YamlValue -> Parser (WriterT AnchorMap m) Event YamlValue
forall a b. (a -> b) -> a -> b
$ ByteString -> Tag -> Style -> Anchor -> YamlValue
Scalar ByteString
a Tag
b Style
c Anchor
d
let k :: Text
k = ByteString -> Text
decodeUtf8 ByteString
a
YamlValue
v <- Parser (WriterT AnchorMap m) Event YamlValue
start
([(Text, YamlValue)] -> [(Text, YamlValue)])
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
goM ([(Text, YamlValue)] -> [(Text, YamlValue)]
front ([(Text, YamlValue)] -> [(Text, YamlValue)])
-> ([(Text, YamlValue)] -> [(Text, YamlValue)])
-> [(Text, YamlValue)]
-> [(Text, YamlValue)]
forall b c a. (b -> c) -> (a -> b) -> a -> c
. ((Text
k, YamlValue
v)(Text, YamlValue) -> [(Text, YamlValue)] -> [(Text, YamlValue)]
forall a. a -> [a] -> [a]
:))
Just Event
e -> Maybe Event
-> Parser (WriterT AnchorMap m) Event [(Text, YamlValue)]
forall (m :: * -> *) a b.
(MonadIO m, MonadThrow m) =>
Maybe Event -> Parser m a b
missed (Event -> Maybe Event
forall a. a -> Maybe a
Just Event
e)
{-# INLINE sinkRawDoc #-}
sinkRawDoc :: SerialT IO Event -> IO RawDoc
sinkRawDoc :: SerialT IO Event -> IO RawDoc
sinkRawDoc SerialT IO Event
src = do
(YamlValue -> AnchorMap -> RawDoc)
-> (YamlValue, AnchorMap) -> RawDoc
forall a b c. (a -> b -> c) -> (a, b) -> c
uncurry YamlValue -> AnchorMap -> RawDoc
RawDoc ((YamlValue, AnchorMap) -> RawDoc)
-> IO (YamlValue, AnchorMap) -> IO RawDoc
forall (f :: * -> *) a b. Functor f => (a -> b) -> f a -> f b
<$> WriterT AnchorMap IO YamlValue -> IO (YamlValue, AnchorMap)
forall w (m :: * -> *) a. WriterT w m a -> m (a, w)
runWriterT (Parser (WriterT AnchorMap IO) Event YamlValue
-> SerialT (WriterT AnchorMap IO) Event
-> WriterT AnchorMap IO YamlValue
forall (m :: * -> *) a b.
MonadThrow m =>
Parser m a b -> SerialT m a -> m b
Stream.parse Parser (WriterT AnchorMap IO) Event YamlValue
forall (m :: * -> *).
(MonadIO m, MonadCatch m, MonadThrow m) =>
Parser (WriterT AnchorMap m) Event YamlValue
sinkValue ((forall x. IO x -> WriterT AnchorMap IO x)
-> SerialT IO Event -> SerialT (WriterT AnchorMap IO) Event
forall (m :: * -> *) (n :: * -> *) a.
(Monad m, Monad n) =>
(forall x. m x -> n x) -> SerialT m a -> SerialT n a
hoist forall x. IO x -> WriterT AnchorMap IO x
forall (m :: * -> *) a. MonadIO m => IO a -> m a
liftIO SerialT IO Event
src))
readYamlFile :: FromYaml a => FilePath -> IO a
readYamlFile :: String -> IO a
readYamlFile String
fp = SerialT IO Event -> IO RawDoc
sinkRawDoc (String -> SerialT IO Event
forall (m :: * -> *).
(MonadCatch m, MonadAsync m, MonadMask m) =>
String -> SerialT m Event
decodeFile String
fp) IO RawDoc -> (RawDoc -> IO a) -> IO a
forall (m :: * -> *) a b. Monad m => m a -> (a -> m b) -> m b
>>= RawDoc -> IO a
forall a (m :: * -> *). (FromYaml a, MonadThrow m) => RawDoc -> m a
parseRawDoc