JavaScriptCore-7600.1.4.9.tar.gz

[apple/javascriptcore.git] / runtime / DataView.cpp

diff --git a/runtime/DataView.cpp b/runtime/DataView.cpp
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+/*
+ * Copyright (C) 2013 Apple 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 "DataView.h"
+
+#include "JSDataView.h"
+#include "JSGlobalObject.h"
+
+namespace JSC {
+
+DataView::DataView(PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned byteLength)
+    : ArrayBufferView(buffer, byteOffset)
+    , m_byteLength(byteLength)
+{
+}
+
+PassRefPtr<DataView> DataView::create(
+    PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned byteLength)
+{
+    return adoptRef(new DataView(buffer, byteOffset, byteLength));
+}
+
+PassRefPtr<DataView> DataView::create(PassRefPtr<ArrayBuffer> passedBuffer)
+{
+    RefPtr<ArrayBuffer> buffer = passedBuffer;
+    return create(buffer, 0, buffer->byteLength());
+}
+
+JSArrayBufferView* DataView::wrap(ExecState* exec, JSGlobalObject* globalObject)
+{
+    return JSDataView::create(
+        exec, globalObject->typedArrayStructure(TypeDataView), buffer(), byteOffset(),
+        byteLength());
+}
+
+} // namespace JSC
+