package shell

import "io"

// RecordingChannel wraps an io.ReadWriteCloser. In Phase 1.4 it is a
// pass-through; Phase 2.3 will add byte-level keystroke recording here
// without changing any shell code.
type RecordingChannel struct {
	inner io.ReadWriteCloser
}

// NewRecordingChannel returns a RecordingChannel wrapping rw.
func NewRecordingChannel(rw io.ReadWriteCloser) *RecordingChannel {
	return &RecordingChannel{inner: rw}
}

func (r *RecordingChannel) Read(p []byte) (int, error)  { return r.inner.Read(p) }
func (r *RecordingChannel) Write(p []byte) (int, error) { return r.inner.Write(p) }
func (r *RecordingChannel) Close() error                { return r.inner.Close() }