// 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_H_

#define STORAGE_LEVELDB_TABLE_BLOCK_H_

#include <stddef.h>

#include <stdint.h>

#include "leveldb/iterator.h"

namespace leveldb {

struct BlockContents;

class Comparator;

class Block {

 public:

  // Initialize the block with the specified contents.

  explicit Block(const BlockContents& contents);

  Block(const Block&) = delete;

  Block& operator=(const Block&) = delete;

  ~Block();

  size_t size() const { return size_; }

  Iterator* NewIterator(const Comparator* comparator);

 private:

  class Iter;

  uint32_t NumRestarts() const;

  const char* data_;

  size_t size_;

  uint32_t restart_offset_;  // Offset in data_ of restart array

  bool owned_;               // Block owns data_[]

};

}  // namespace leveldb

#endif  // STORAGE_LEVELDB_TABLE_BLOCK_H_