1/*
2 * Copyright (C) 2011, 2012 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 MediaFragmentURIParser_h
27#define MediaFragmentURIParser_h
28
29#if ENABLE(VIDEO)
30
31#include "KURL.h"
32#include <wtf/PassOwnPtr.h>
33#include <wtf/Vector.h>
34
35namespace WebCore {
36
37class KURL;
38
39class MediaFragmentURIParser FINAL {
40public:
41
42    MediaFragmentURIParser(const KURL&);
43
44    double startTime();
45    double endTime();
46
47    static double invalidTimeValue();
48
49private:
50
51    void parseFragments();
52
53    enum TimeFormat { None, Invalid, NormalPlayTime, SMPTETimeCode, WallClockTimeCode };
54    void parseTimeFragment();
55    bool parseNPTFragment(const LChar*, unsigned length, double& startTime, double& endTime);
56    bool parseNPTTime(const LChar*, unsigned length, unsigned& offset, double& time);
57
58    KURL m_url;
59    TimeFormat m_timeFormat;
60    double m_startTime;
61    double m_endTime;
62    Vector<std::pair<String, String> > m_fragments;
63};
64
65} // namespace WebCore
66
67#endif
68#endif
69