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authorLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
committerLorry Tar Creator <lorry-tar-importer@lorry>2017-06-27 06:07:23 +0000
commit1bf1084f2b10c3b47fd1a588d85d21ed0eb41d0c (patch)
tree46dcd36c86e7fbc6e5df36deb463b33e9967a6f7 /Source/ThirdParty/leveldb/table/block_builder.h
parent32761a6cee1d0dee366b885b7b9c777e67885688 (diff)
downloadWebKitGtk-tarball-master.tar.gz
Diffstat (limited to 'Source/ThirdParty/leveldb/table/block_builder.h')
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diff --git a/Source/ThirdParty/leveldb/table/block_builder.h b/Source/ThirdParty/leveldb/table/block_builder.h
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-// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file. See the AUTHORS file for names of contributors.
-
-#ifndef STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_
-#define STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_
-
-#include <vector>
-
-#include <stdint.h>
-#include "leveldb/slice.h"
-
-namespace leveldb {
-
-struct Options;
-
-class BlockBuilder {
- public:
- explicit BlockBuilder(const Options* options);
-
- // Reset the contents as if the BlockBuilder was just constructed.
- void Reset();
-
- // REQUIRES: Finish() has not been callled since the last call to Reset().
- // REQUIRES: key is larger than any previously added key
- void Add(const Slice& key, const Slice& value);
-
- // Finish building the block and return a slice that refers to the
- // block contents. The returned slice will remain valid for the
- // lifetime of this builder or until Reset() is called.
- Slice Finish();
-
- // Returns an estimate of the current (uncompressed) size of the block
- // we are building.
- size_t CurrentSizeEstimate() const;
-
- // Return true iff no entries have been added since the last Reset()
- bool empty() const {
- return buffer_.empty();
- }
-
- private:
- const Options* options_;
- std::string buffer_; // Destination buffer
- std::vector<uint32_t> restarts_; // Restart points
- int counter_; // Number of entries emitted since restart
- bool finished_; // Has Finish() been called?
- std::string last_key_;
-
- // No copying allowed
- BlockBuilder(const BlockBuilder&);
- void operator=(const BlockBuilder&);
-};
-
-} // namespace leveldb
-
-#endif // STORAGE_LEVELDB_TABLE_BLOCK_BUILDER_H_