Data.Yaml.Parser

NOTE: This module is a highly experimental preview release. It may change drastically, or be entirely removed, in a future release.

Documentation

newtype YamlParser a

Constructors

YamlParser

Fields

• unYamlParser :: AnchorMap -> Either Text a

Instances

Monad YamlParser

Methods

(>>=) :: YamlParser a -> (a -> YamlParser b) -> YamlParser b

(>>) :: YamlParser a -> YamlParser b -> YamlParser b

return :: a -> YamlParser a

fail :: String -> YamlParser a

Functor YamlParser

Methods

fmap :: (a -> b) -> YamlParser a -> YamlParser b

(<$) :: a -> YamlParser b -> YamlParser a

Applicative YamlParser

Methods

pure :: a -> YamlParser a

(<*>) :: YamlParser (a -> b) -> YamlParser a -> YamlParser b

(*>) :: YamlParser a -> YamlParser b -> YamlParser b

(<*) :: YamlParser a -> YamlParser b -> YamlParser a

Alternative YamlParser

Methods

empty :: YamlParser a

(<|>) :: YamlParser a -> YamlParser a -> YamlParser a

some :: YamlParser a -> YamlParser [a]

many :: YamlParser a -> YamlParser [a]

MonadPlus YamlParser

Methods

mzero :: YamlParser a

mplus :: YamlParser a -> YamlParser a -> YamlParser a

Monoid (YamlParser a)

Methods

mempty :: YamlParser a

mappend :: YamlParser a -> YamlParser a -> YamlParser a

mconcat :: [YamlParser a] -> YamlParser a

lookupAnchor :: AnchorName -> YamlParser (Maybe YamlValue)

withAnchor :: AnchorName -> Text -> (YamlValue -> YamlParser a) -> YamlParser a

withMapping :: Text -> ([(Text, YamlValue)] -> YamlParser a) -> YamlValue -> YamlParser a

withSequence :: Text -> ([YamlValue] -> YamlParser a) -> YamlValue -> YamlParser a

withText :: Text -> (Text -> YamlParser a) -> YamlValue -> YamlParser a

typeMismatch :: Text -> YamlValue -> YamlParser a

class FromYaml a where

Minimal complete definition

fromYaml

Methods

fromYaml :: YamlValue -> YamlParser a

Instances

FromYaml Int

Methods

fromYaml :: YamlValue -> YamlParser Int

FromYaml Text

Methods

fromYaml :: YamlValue -> YamlParser Text

FromYaml YamlValue

Methods

fromYaml :: YamlValue -> YamlParser YamlValue

FromYaml a => FromYaml [a]

Methods

fromYaml :: YamlValue -> YamlParser [a]

data YamlValue

Constructors

Mapping [(Text, YamlValue)] Anchor

Sequence [YamlValue] Anchor

Scalar ByteString Tag Style Anchor

Alias AnchorName

Instances

Show YamlValue

Methods

showsPrec :: Int -> YamlValue -> ShowS

show :: YamlValue -> String

showList :: [YamlValue] -> ShowS

FromYaml YamlValue

Methods

fromYaml :: YamlValue -> YamlParser YamlValue

type AnchorMap = Map AnchorName YamlValue

data RawDoc

Constructors

RawDoc YamlValue AnchorMap

Instances

Show RawDoc

Methods

showsPrec :: Int -> RawDoc -> ShowS

show :: RawDoc -> String

showList :: [RawDoc] -> ShowS

parseRawDoc :: (FromYaml a, MonadThrow m) => RawDoc -> m a

(.:) :: FromYaml a => [(Text, YamlValue)] -> Text -> YamlParser a

data YamlParseException

Constructors

UnexpectedEndOfEvents

UnexpectedEvent Event

FromYamlException Text

Instances

Show YamlParseException

Methods

showsPrec :: Int -> YamlParseException -> ShowS

show :: YamlParseException -> String

showList :: [YamlParseException] -> ShowS

Exception YamlParseException

Methods

toException :: YamlParseException -> SomeException

fromException :: SomeException -> Maybe YamlParseException

displayException :: YamlParseException -> String

sinkValue :: MonadThrow m => Consumer Event (WriterT AnchorMap m) YamlValue

sinkRawDoc :: MonadThrow m => Consumer Event m RawDoc

readYamlFile :: FromYaml a => FilePath -> IO a