/*
NAME
  encoding.go

DESCRIPTION
  See Readme.md

AUTHOR
  Saxon Nelson-Milton <saxon@ausocean.org>

LICENSE
  encoding.go is Copyright (C) 2017 the Australian Ocean Lab (AusOcean)

  It is free software: you can redistribute it and/or modify them
  under the terms of the GNU General Public License as published by the
  Free Software Foundation, either version 3 of the License, or (at your
  option) any later version.

  It is distributed in the hope that it will be useful, but WITHOUT
  ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
 for more details.

  You should have received a copy of the GNU General Public License
  along with revid in gpl.txt.  If not, see http://www.gnu.org/licenses.
*/

package stream

import "io"

type Encoder interface {
	Write([]byte) (int, error)
	GetDst() io.Writer
}

// NopEncoder returns an Encoder that performs no operation.
func NopEncoder(dst io.Writer) Encoder {
	return noop{dst}
}

type noop struct {
	dst io.Writer
}

// Write implements io.Writer.
func (e noop) Write(p []byte) (int, error) {
	return e.dst.Write(p)
}

func (e noop) GetDst() io.Writer { return e.dst }