third_party/blink/renderer/core/html/track/vtt/vtt_tokenizer.h

/*
 * Copyright (C) 2011 Google Inc.  All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are
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 *
 *     * Redistributions of source code must retain the above copyright
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 * copyright notice, this list of conditions and the following disclaimer
 * in the documentation and/or other materials provided with the
 * distribution.
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 * contributors may be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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#ifndef THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_VTT_VTT_TOKENIZER_H_
#define THIRD_PARTY_BLINK_RENDERER_CORE_HTML_TRACK_VTT_VTT_TOKENIZER_H_

#include "base/macros.h"
#include "third_party/blink/renderer/core/html/parser/input_stream_preprocessor.h"
#include "third_party/blink/renderer/core/html/track/vtt/vtt_token.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"

namespace blink {

class VTTTokenizer {
  DISALLOW_NEW();

 public:
  explicit VTTTokenizer(const String& input);

  bool NextToken(VTTToken&);

  inline bool ShouldSkipNullCharacters() const { return true; }

 private:
  SegmentedString input_;

  // ://www.whatwg.org/specs/web-apps/current-work/#preprocessing-the-input-stream
  InputStreamPreprocessor<VTTTokenizer> input_stream_preprocessor_;

  DISALLOW_COPY_AND_ASSIGN(VTTTokenizer);
};

}  // namespace blink

#endif