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