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Diffstat (limited to 'Source/JavaScriptCore/runtime/DataView.cpp')
-rw-r--r-- | Source/JavaScriptCore/runtime/DataView.cpp | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/DataView.cpp b/Source/JavaScriptCore/runtime/DataView.cpp new file mode 100644 index 000000000..78e743fc1 --- /dev/null +++ b/Source/JavaScriptCore/runtime/DataView.cpp @@ -0,0 +1,60 @@ +/* + * 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) +{ +} + +Ref<DataView> DataView::create( + PassRefPtr<ArrayBuffer> buffer, unsigned byteOffset, unsigned byteLength) +{ + return adoptRef(*new DataView(buffer, byteOffset, byteLength)); +} + +Ref<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 + |