Function writeSectionOffsets

go/bundle/encoder.go:515–535

https://wicg.github.io/webpackage/draft-yasskin-dispatch-bundled-exchanges.html#load-metadata Steps 3-7.

(w io.Writer, sections []section)

// https://wicg.github.io/webpackage/draft-yasskin-dispatch-bundled-exchanges.html#load-metadata
// Steps 3-7.
func writeSectionOffsets(w io.Writer, sections []section) error {
	var b bytes.Buffer
	nenc := cbor.NewEncoder(&b)
	if err := nenc.EncodeArrayHeader(len(sections) * 2); err != nil {
		return err
	}
	for _, s := range sections {
		if err := nenc.EncodeTextString(s.Name()); err != nil {
			return err
		}
		if err := nenc.EncodeUint(uint64(s.Len())); err != nil {
			return err
		}
	}

	enc := cbor.NewEncoder(w)
	if err := enc.EncodeByteString(b.Bytes()); err != nil {
		return err
	}
	return nil
}

func writeSectionHeader(w io.Writer, numSections int) error {
	enc := cbor.NewEncoder(w)