1/*
2 * Copyright (C) 2011 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef LevelDBSlice_h
27#define LevelDBSlice_h
28
29#if ENABLE(LEVELDB)
30
31#include "PlatformString.h"
32#include <Vector.h>
33
34namespace WebCore {
35
36class LevelDBSlice {
37public:
38    LevelDBSlice(const char* begin, const char* end)
39        : m_begin(begin)
40        , m_end(end)
41    {
42        ASSERT(m_end >= m_begin);
43    }
44
45    LevelDBSlice(const Vector<char>& v)
46        : m_begin(v.data())
47        , m_end(m_begin + v.size())
48    {
49        ASSERT(m_end >= m_begin);
50    }
51
52    ~LevelDBSlice()
53    {
54    }
55
56    const char* begin() const { return m_begin; }
57    const char* end() const { return m_end; }
58
59private:
60    const char* m_begin;
61    const char* m_end;
62};
63
64} // namespace WebCore
65
66#endif // ENABLE(LEVELDB)
67#endif // LevelDBSlice_h
68