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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 INC. ``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 INC. OR
* 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.
*/
#ifndef JSDataView_h
#define JSDataView_h
#include "DataView.h"
#include "JSArrayBufferView.h"
namespace JSC {
class JSDataView : public JSArrayBufferView {
public:
typedef JSArrayBufferView Base;
static const unsigned elementSize = 1;
protected:
JSDataView(VM&, ConstructionContext&, ArrayBuffer*);
public:
static JSDataView* create(
ExecState*, Structure*, PassRefPtr<ArrayBuffer>, unsigned byteOffset,
unsigned byteLength);
// Dummy methods, which don't actually work; these are just in place to
// placate some template specialization we do elsewhere.
static JSDataView* createUninitialized(ExecState*, Structure*, unsigned length);
static JSDataView* create(ExecState*, Structure*, unsigned length);
bool set(ExecState*, JSObject*, unsigned offset, unsigned length);
ArrayBuffer* buffer() const { return m_buffer; }
PassRefPtr<DataView> typedImpl();
static const TypedArrayType TypedArrayStorageType = TypeDataView;
protected:
static bool getOwnPropertySlot(JSObject*, ExecState*, PropertyName, PropertySlot&);
static ArrayBuffer* slowDownAndWasteMemory(JSArrayBufferView*);
static PassRefPtr<ArrayBufferView> getTypedArrayImpl(JSArrayBufferView*);
public:
static Structure* createStructure(VM&, JSGlobalObject*, JSValue prototype);
DECLARE_EXPORT_INFO;
private:
ArrayBuffer* m_buffer;
};
} // namespace JSC
#endif // JSDataView_h
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