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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 #include "config.h"
27 #include "bindings/core/v8/ArrayValue.h"
28 
29 #include "bindings/core/v8/Dictionary.h"
30 #include "bindings/core/v8/V8Binding.h"
31 
32 namespace blink {
33 
operator =(const ArrayValue & other)34 ArrayValue& ArrayValue::operator=(const ArrayValue& other)
35 {
36     m_array = other.m_array;
37     m_isolate = other.m_isolate;
38     return *this;
39 }
40 
isUndefinedOrNull() const41 bool ArrayValue::isUndefinedOrNull() const
42 {
43     return m_array.IsEmpty() || blink::isUndefinedOrNull(m_array);
44 }
45 
length(size_t & length) const46 bool ArrayValue::length(size_t& length) const
47 {
48     if (isUndefinedOrNull())
49         return false;
50 
51     length = m_array->Length();
52     return true;
53 }
54 
get(size_t index,Dictionary & value) const55 bool ArrayValue::get(size_t index, Dictionary& value) const
56 {
57     if (isUndefinedOrNull())
58         return false;
59 
60     if (index >= m_array->Length())
61         return false;
62 
63     ASSERT(m_isolate);
64     ASSERT(m_isolate == v8::Isolate::GetCurrent());
65     v8::Local<v8::Value> indexedValue = m_array->Get(v8::Integer::NewFromUnsigned(m_isolate, index));
66     if (indexedValue.IsEmpty() || !indexedValue->IsObject())
67         return false;
68 
69     value = Dictionary(indexedValue, m_isolate);
70     return true;
71 }
72 
73 } // namespace blink
74