1/*
2 * Copyright (C) 2016 Apple 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 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef ParsedContentRange_h
27#define ParsedContentRange_h
28
29#include <wtf/Forward.h>
30
31namespace WebCore {
32
33class ParsedContentRange {
34public:
35 WEBCORE_EXPORT explicit ParsedContentRange(const String&);
36 ParsedContentRange() { }
37 WEBCORE_EXPORT ParsedContentRange(int64_t firstBytePosition, int64_t lastBytePosition, int64_t instanceLength);
38
39 bool isValid() const { return m_isValid; }
40 int64_t firstBytePosition() const { return m_firstBytePosition; }
41 int64_t lastBytePosition() const { return m_lastBytePosition; }
42 int64_t instanceLength() const { return m_instanceLength; }
43
44 WEBCORE_EXPORT String headerValue() const;
45
46 enum { UnknownLength = std::numeric_limits<int64_t>::max() };
47
48private:
49 template<typename T> static bool isPositive(T);
50
51 int64_t m_firstBytePosition { 0 };
52 int64_t m_lastBytePosition { 0 };
53 int64_t m_instanceLength { UnknownLength };
54 bool m_isValid { false };
55};
56
57}
58
59#endif
60