Function encodeByteSlice

encoding/xml/value.go:267–292

encodeByteSlice is modified copy of json encoder's encodeByteSlice. It is used to base64 encode a byte slice.

(w writer, scratch []byte, v []byte)

// encodeByteSlice is modified copy of json encoder's encodeByteSlice.
// It is used to base64 encode a byte slice.
func encodeByteSlice(w writer, scratch []byte, v []byte) {
	if v == nil {
		return
	}

	encodedLen := base64.StdEncoding.EncodedLen(len(v))
	if encodedLen <= len(scratch) {
		// If the encoded bytes fit in e.scratch, avoid an extra
		// allocation and use the cheaper Encoding.Encode.
		dst := scratch[:encodedLen]
		base64.StdEncoding.Encode(dst, v)
		w.Write(dst)
	} else if encodedLen <= 1024 {
		// The encoded bytes are short enough to allocate for, and
		// Encoding.Encode is still cheaper.
		dst := make([]byte, encodedLen)
		base64.StdEncoding.Encode(dst, v)
		w.Write(dst)
	} else {
		// The encoded bytes are too long to cheaply allocate, and
		// Encoding.Encode is no longer noticeably cheaper.
		enc := base64.NewEncoder(base64.StdEncoding, w)
		enc.Write(v)
		enc.Close()
	}
}

// IsFlattened returns true if value is for flattened shape.
func (xv Value) IsFlattened() bool {