third_party/WebKit/Source/bindings/core/v8/ArrayValue.h

/*
 * Copyright (C) 2012 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 AND ITS CONTRIBUTORS "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 OR ITS 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 ArrayValue_h
#define ArrayValue_h

#include "core/CoreExport.h"
#include "wtf/Allocator.h"
#include "wtf/Assertions.h"
#include <v8.h>

namespace blink {

class Dictionary;

class CORE_EXPORT ArrayValue final {
  STACK_ALLOCATED();

 public:
  ArrayValue() : m_isolate(nullptr) {}
  ArrayValue(const v8::Local<v8::Array>& array, v8::Isolate* isolate)
      : m_array(array), m_isolate(isolate) {
    DCHECK(m_isolate);
  }

  ArrayValue& operator=(const ArrayValue&);

  bool isUndefinedOrNull() const;

  bool length(size_t&) const;
  bool get(size_t index, Dictionary&) const;

 private:
  v8::Local<v8::Array> m_array;
  v8::Isolate* m_isolate;
};

}  // namespace blink

#endif  // ArrayValue_h