1 files changed, 87 insertions, 0 deletions
diff --git a/Source/WebCore/bindings/js/ArrayValue.cpp b/Source/WebCore/bindings/js/ArrayValue.cpp
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index 000000000..afa53bfeb
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+++ b/Source/WebCore/bindings/js/ArrayValue.cpp
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+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "ArrayValue.h"
+
+#include "Dictionary.h"
+#include <runtime/JSArray.h>
+
+using namespace JSC;
+
+namespace WebCore {
+
+ArrayValue::ArrayValue()
+    : m_exec(0)
+{
+}
+
+ArrayValue::ArrayValue(JSC::ExecState* exec, JSC::JSValue value)
+    : m_exec(exec)
+{
+    if (!value.isUndefinedOrNull() && isJSArray(value))
+        m_value = value;
+}
+
+ArrayValue& ArrayValue::operator=(const ArrayValue& other)
+{
+    m_exec = other.m_exec;
+    m_value = other.m_value;
+    return *this;
+}
+
+bool ArrayValue::isUndefinedOrNull() const
+{
+    return m_value.isEmpty() || m_value.isUndefinedOrNull();
+}
+
+bool ArrayValue::length(size_t& length) const
+{
+    if (isUndefinedOrNull())
+        return false;
+
+    JSArray* array = asArray(m_value);
+    length = array->length();
+    return true;
+}
+
+bool ArrayValue::get(size_t index, Dictionary& value) const
+{
+    if (isUndefinedOrNull())
+        return false;
+
+    JSArray* array = asArray(m_value);
+    if (!array->canGetIndex(index))
+        return false;
+
+    JSValue indexedValue = array->getIndex(index);
+    if (indexedValue.isUndefinedOrNull() || !indexedValue.isObject())
+        return false;
+
+    value = Dictionary(m_exec, indexedValue);
+    return true;
+}
+
+} // namespace WebCore