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32 lines
1.3 KiB
32 lines
1.3 KiB
// Copyright (c) 2017 Couchbase, Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package zap
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import "encoding/binary"
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func (s *SegmentBase) getDocStoredMetaAndCompressed(docNum uint64) ([]byte, []byte) {
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docStoredStartAddr := s.storedIndexOffset + (8 * docNum)
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docStoredStart := binary.BigEndian.Uint64(s.mem[docStoredStartAddr : docStoredStartAddr+8])
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var n uint64
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metaLen, read := binary.Uvarint(s.mem[docStoredStart : docStoredStart+binary.MaxVarintLen64])
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n += uint64(read)
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var dataLen uint64
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dataLen, read = binary.Uvarint(s.mem[docStoredStart+n : docStoredStart+n+binary.MaxVarintLen64])
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n += uint64(read)
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meta := s.mem[docStoredStart+n : docStoredStart+n+metaLen]
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data := s.mem[docStoredStart+n+metaLen : docStoredStart+n+metaLen+dataLen]
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return meta, data
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}
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