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      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 are
      6  * met:
      7  *
      8  *     * Redistributions of source code must retain the above copyright
      9  * notice, this list of conditions and the following disclaimer.
     10  *     * Redistributions in binary form must reproduce the above
     11  * copyright notice, this list of conditions and the following disclaimer
     12  * in the documentation and/or other materials provided with the
     13  * distribution.
     14  *     * Neither the name of Google Inc. nor the names of its
     15  * contributors may be used to endorse or promote products derived from
     16  * this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     19  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     20  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     21  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     22  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     23  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     24  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     28  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 #ifndef VTTToken_h
     32 #define VTTToken_h
     33 
     34 namespace WebCore {
     35 
     36 class VTTTokenTypes {
     37 public:
     38     enum Type {
     39         Uninitialized,
     40         Character,
     41         StartTag,
     42         EndTag,
     43         TimestampTag,
     44     };
     45 };
     46 
     47 class VTTToken {
     48 public:
     49     typedef VTTTokenTypes Type;
     50 
     51     VTTToken() : m_type(Type::Uninitialized) { }
     52 
     53     static VTTToken StringToken(const String& characterData)
     54     {
     55         return VTTToken(Type::Character, characterData);
     56     }
     57     static VTTToken StartTag(const String& tagName, const AtomicString& classes = emptyAtom, const AtomicString& annotation = emptyAtom)
     58     {
     59         VTTToken token(Type::StartTag, tagName);
     60         token.m_classes = classes;
     61         token.m_annotation = annotation;
     62         return token;
     63     }
     64     static VTTToken EndTag(const String& tagName)
     65     {
     66         return VTTToken(Type::EndTag, tagName);
     67     }
     68     static VTTToken TimestampTag(const String& timestampData)
     69     {
     70         return VTTToken(Type::TimestampTag, timestampData);
     71     }
     72 
     73     Type::Type type() const { return m_type; }
     74     const String& name() const { return m_data; }
     75     const String& characters() const { return m_data; }
     76     const AtomicString& classes() const { return m_classes; }
     77     const AtomicString& annotation() const { return m_annotation; }
     78 
     79 private:
     80     VTTToken(Type::Type type, const String& data)
     81         : m_type(type)
     82         , m_data(data) { }
     83 
     84     Type::Type m_type;
     85     String m_data;
     86     AtomicString m_annotation;
     87     AtomicString m_classes;
     88 };
     89 
     90 }
     91 
     92 #endif
     93