Function decodeSectionLengthsCBOR

go/bundle/decoder.go:52–82

(bs []byte)

}

func decodeSectionLengthsCBOR(bs []byte) ([]sectionOffset, error) {
	// section-lengths = [* (section-name: tstr, length: uint) ],

	sos := []sectionOffset{}
	dec := cbor.NewDecoder(bytes.NewBuffer(bs))

	n, err := dec.DecodeArrayHeader()
	if err != nil {
		return nil, fmt.Errorf("bundle: Failed to decode sectionOffset array header: %v", err)
	}

	for i := uint64(0); i < n; i += 2 {
		name, err := dec.DecodeTextString()
		if err != nil {
			return nil, fmt.Errorf("bundle.sectionLengths[%d]: Failed to decode sectionOffset name: %v", i, err)
		}

		if _, _, exists := FindSection(sos, name); exists {
			return nil, fmt.Errorf("bundle.sectionLengths[%d]: Duplicate section in sectionOffset array: %q", i, name)
		}

		length, err := dec.DecodeUint()
		if err != nil {
			return nil, fmt.Errorf("bundle.sectionLengths[%d]: Failed to decode sectionOffset[%q].length: %v", i, name, err)
		}

		sos = append(sos, sectionOffset{Name: name, Length: length})
	}

	return sos, nil
}

var reIsAscii = regexp.MustCompile("^[[:ascii:]]*$")