andrewstuart/yenc

Implementations of yenc reader and writer in Go.

yenc

-- import "github.com/andrewstuart/yenc"

Package yenc implements readers writers for the YENC encoding format.

Usage

var (
	ErrBadCRC    = fmt.Errorf("CRC check error")
	ErrWrongSize = fmt.Errorf("size check error")
)

Error constants

type Reader

type Reader struct {
	Length          int
	CRC             hash.Hash32
	Headers, Footer *YENCHeader
}

Reader implements the io.Reader methods for an underlying YENC document/stream. It additionally exposes some of the metadata that may be useful for consumers.

func NewReader

func NewReader(r io.Reader) *Reader

NewReader returns a reader from an input reader.

func (*Reader) Read

func (d *Reader) Read(p []byte) (bytesRead int, err error)

type Writer

type Writer struct {
	CRC            hash.Hash32
	Length, Line   int
	Name           string
	Header, Footer *YENCHeader
}

func NewWriter

func NewWriter(w io.Writer) *Writer

func (*Writer) Close

func (w *Writer) Close() error

func (*Writer) Write

func (w *Writer) Write(p []byte) (written int, err error)

type YENCHeader

type YENCHeader map[string]string

func ReadYENCHeader

func ReadYENCHeader(br *bufio.Reader) (*YENCHeader, error)

func (*YENCHeader) Add

func (y *YENCHeader) Add(k, v string)

func (*YENCHeader) Get

func (y *YENCHeader) Get(k string) string

func (*YENCHeader) String

func (y *YENCHeader) String() string