1 /* 2 * Copyright (C) 2012 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 6 * are met: 7 * 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY 15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY 18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND 21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef ArrayValue_h 27 #define ArrayValue_h 28 29 #include "wtf/Assertions.h" 30 #include <v8.h> 31 32 namespace WebCore { 33 34 class Dictionary; 35 36 class ArrayValue { 37 public: 38 ArrayValue() : m_isolate(0) { } 39 explicit ArrayValue(const v8::Local<v8::Array>& array, v8::Isolate* isolate) 40 : m_array(array) 41 , m_isolate(isolate) 42 { 43 ASSERT(m_isolate); 44 } 45 ~ArrayValue() { } 46 47 ArrayValue& operator=(const ArrayValue&); 48 49 bool isUndefinedOrNull() const; 50 51 bool length(size_t&) const; 52 bool get(size_t index, Dictionary&) const; 53 54 private: 55 // This object can only be used safely when stack allocated because of v8::Local. 56 static void* operator new(size_t); 57 static void* operator new[](size_t); 58 static void operator delete(void *); 59 60 v8::Local<v8::Array> m_array; 61 v8::Isolate* m_isolate; 62 }; 63 64 } 65 66 #endif // ArrayValue_h 67
