Data.BBI

Documentation

data BbiFile

Constructors

BbiFile

Fields

_filehandle :: Handle

_header :: !BbiFileHeader

_chromTree :: !(Map ByteString (Int, Int))

_rtree :: !RTreeHeader

Instances

Show BbiFile

data BbiFileHeader

Constructors

BbiFileHeader

Fields

_filetype :: !FileType

_endian :: !Endianness

_version :: !Int

_zoomlevels :: !Int

_chrTreeOffset :: !Int

_fullDataOffset :: !Int

_fullIndexOffset :: !Int

_filedCount :: !Int

_definedFiledCount :: !Int

_autoSqlOffset :: !Int

_totalSummaryOffset :: !Int

_uncompressBufSize :: !Int

_reserved :: !Int

Instances

Show BbiFileHeader

data FileType

Constructors

BigBed

BigWig

Instances

Show FileType

openBbiFile :: FilePath -> IO BbiFile

closeBbiFile :: BbiFile -> IO ()

getBbiFileHeader :: Handle -> IO (Either String BbiFileHeader)

getChromId :: BbiFile -> ByteString -> Maybe Int

overlappingBlocks :: BbiFile -> (Int, Int, Int) -> IO [(Int, Int)]

readBlocks :: BbiFile -> [(Int, Int)] -> Source IO ByteString