func h2p(w io.Writer, r io.Reader) error {
for {
hdr, err := mc.ReadHeader(r)
if err != nil {
if err == io.EOF {
return nil
}
return err
}
p := string(mc.HeaderPath(hdr))
_, err = fmt.Fprintln(w, p)
if err != nil {
return err
}
}
}
func (c *decoder) Decode(v interface{}) error {
if c.c.Wrap { // read multicodec header.
if err := mc.ConsumeHeader(c.r, c.c.Header()); err != nil {
return err
}
}
// get next header, to select codec
hdr, err := mc.ReadHeader(c.r)
if err != nil {
return err
}
// "unwind" the read as subc consumes header
r := mc.WrapHeaderReader(hdr, c.r)
subc := CodecWithHeader(hdr, c.c.Codecs)
if subc == nil {
return fmt.Errorf("no codec for %s", hdr)
}
c.c.Last = subc
return subc.Decoder(r).Decode(v)
}