Data.Yaml.YamlLight

A light-weight wrapper with utility functions around HsSyck

YamlLight data type

data YamlLight

Constructors

YMap (Map YamlLight YamlLight)

YSeq [YamlLight]

YStr ByteString

YNil

Instances

Eq YamlLight

Ord YamlLight

Show YamlLight

YamlLight versions of Syck functions

parseYaml :: String -> IO YamlLight

Parse a regular Haskell string

parseYamlFile :: String -> IO YamlLight

Given a file name, parse contents of file

parseYamlBytes :: ByteString -> IO YamlLight

Parse a ByteString buffer (this is faster)

YamlLight utility functions

fromYamlNode :: YamlNode -> YamlLight

Convert a Syck YamlNode to a YamlLight

lookupYL :: YamlLight -> YamlLight -> Maybe YamlLight

Lookup the key's corresponding value in a Map. Returns Nothing if the YamlLight is not a map, or if the key is not found

lookupYLWith :: (YamlLight -> Bool) -> YamlLight -> Maybe YamlLight

General form of lookup. Will return the first element that satisfies predicate p, otherwise Nothing

Extractors

unSeq :: YamlLight -> Maybe [YamlLight]

Get the contents of a sequence

unMap :: YamlLight -> Maybe (Map YamlLight YamlLight)

Get the contents of a map

unStr :: YamlLight -> Maybe ByteString

Get the contents of a string