content/browser/indexed_db/leveldb/fixed_array.h

// Copyright (c) 2013 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/*
 * Copyright (C) 2010 Apple Inc. All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */

#ifndef CONTENT_BROWSER_INDEXED_DB_LEVELDB_FIXED_ARRAY_H_
#define CONTENT_BROWSER_INDEXED_DB_LEVELDB_FIXED_ARRAY_H_

#include "base/logging.h"

namespace content {

template <typename T, size_t Size>
class FixedArray {
 public:
  T& operator[](size_t i) {
#if defined(ADDRESS_SANITIZER)
    CHECK(i < Size);
#endif
    return data_[i];
  }

  const T& operator[](size_t i) const {
#if defined(ADDRESS_SANITIZER)
    CHECK(i < Size);
#endif
    return data_[i];
  }

  T* data() { return data_; }
  size_t size() const { return Size; }

 private:
  T data_[Size];
};

}  // namespace content

#endif  // CONTENT_BROWSER_INDEXED_DB_LEVELDB_FIXED_ARRAY_H_