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forgejo/vendor/github.com/blevesearch/zapx/v14/read.go
Lauris BH f5abe2f563
Upgrade blevesearch dependency to v2.0.1 (#14346)
* Upgrade blevesearch dependency to v2.0.1

* Update rupture to v1.0.0

* Fix test
2021-01-17 20:21:14 -05:00

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// Copyright (c) 2017 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 zap
import "encoding/binary"
func (s *SegmentBase) getDocStoredMetaAndCompressed(docNum uint64) ([]byte, []byte) {
_, storedOffset, n, metaLen, dataLen := s.getDocStoredOffsets(docNum)
meta := s.mem[storedOffset+n : storedOffset+n+metaLen]
data := s.mem[storedOffset+n+metaLen : storedOffset+n+metaLen+dataLen]
return meta, data
}
func (s *SegmentBase) getDocStoredOffsets(docNum uint64) (
uint64, uint64, uint64, uint64, uint64) {
indexOffset := s.storedIndexOffset + (8 * docNum)
storedOffset := binary.BigEndian.Uint64(s.mem[indexOffset : indexOffset+8])
var n uint64
metaLen, read := binary.Uvarint(s.mem[storedOffset : storedOffset+binary.MaxVarintLen64])
n += uint64(read)
dataLen, read := binary.Uvarint(s.mem[storedOffset+n : storedOffset+n+binary.MaxVarintLen64])
n += uint64(read)
return indexOffset, storedOffset, n, metaLen, dataLen
}