/
segment_list.go
47 lines (42 loc) · 1.24 KB
/
segment_list.go
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// Copyright (c) 2016 Couchbase, Inc.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the
// License. You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
// Unless required by applicable law or agreed to in writing,
// software distributed under the License is distributed on an "AS
// IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either
// express or implied. See the License for the specific language
// governing permissions and limitations under the License.
package cellar
import (
"bytes"
"encoding/binary"
"io"
)
type segmentList []*segment
func (s segmentList) MarshalBinary() (data []byte, err error) {
var buf bytes.Buffer
for _, segment := range s {
err := binary.Write(&buf, binary.BigEndian, segment.Seq())
if err != nil {
return nil, err
}
}
return buf.Bytes(), nil
}
func parseRoot(val []byte) ([]uint64, error) {
var rv []uint64
buf := bytes.NewBuffer(val)
var next uint64
err := binary.Read(buf, binary.BigEndian, &next)
for err == nil {
rv = append(rv, next)
err = binary.Read(buf, binary.BigEndian, &next)
}
if err != nil && err != io.EOF {
return nil, err
}
return rv, nil
}