Method SetRange

api-get-options.go:162–189

SetRange - set the start and end offset of the object to be read. See https://tools.ietf.org/html/rfc7233#section-3.1 for reference.

(start, end int64)

// SetRange - set the start and end offset of the object to be read.
// See https://tools.ietf.org/html/rfc7233#section-3.1 for reference.
func (o *GetObjectOptions) SetRange(start, end int64) error {
	switch {
	case start == 0 && end < 0:
		// Read last '-end' bytes. `bytes=-N`.
		o.Set("Range", fmt.Sprintf("bytes=%d", end))
	case 0 < start && end == 0:
		// Read everything starting from offset
		// 'start'. `bytes=N-`.
		o.Set("Range", fmt.Sprintf("bytes=%d-", start))
	case 0 <= start && start <= end:
		// Read everything starting at 'start' till the
		// 'end'. `bytes=N-M`
		o.Set("Range", fmt.Sprintf("bytes=%d-%d", start, end))
	default:
		// All other cases such as
		// bytes=-3-
		// bytes=5-3
		// bytes=-2-4
		// bytes=-3-0
		// bytes=-3--2
		// are invalid.
		return errInvalidArgument(
			fmt.Sprintf(
				"Invalid range specified: start=%d end=%d",
				start, end))
	}
	return nil
}

// toQueryValues - Convert the versionId, partNumber, and reqParams in Options to query string parameters.
func (o *GetObjectOptions) toQueryValues() url.Values {