text: /*
   * Copyright (C) 2010 Google, Inc. All Rights Reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, this list of conditions and the following disclaimer.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   *
   * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
   * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
   * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE INC. OR
   * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
   * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
   * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
   * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
   * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
   * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #ifndef SKY_ENGINE_CORE_HTML_PARSER_NESTINGLEVELINCREMENTER_H_
  #define SKY_ENGINE_CORE_HTML_PARSER_NESTINGLEVELINCREMENTER_H_
  
  #include "sky/engine/platform/heap/Handle.h"
  #include "sky/engine/wtf/Noncopyable.h"
  
  namespace blink {
  
  class NestingLevelIncrementer {
      STACK_ALLOCATED();
      WTF_MAKE_NONCOPYABLE(NestingLevelIncrementer);
  public:
      explicit NestingLevelIncrementer(unsigned& nestingLevel)
          : m_nestingLevel(&nestingLevel)
      {
          ++(*m_nestingLevel);
      }
  
      ~NestingLevelIncrementer()
      {
          --(*m_nestingLevel);
      }
  
  private:
      unsigned* m_nestingLevel;
  };
  
  }
  
  #endif  // SKY_ENGINE_CORE_HTML_PARSER_NESTINGLEVELINCREMENTER_H_
  