| // Copyright 2015 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef TypedFlexibleArrayBufferView_h |
| #define TypedFlexibleArrayBufferView_h |
| |
| #include "core/CoreExport.h" |
| #include "core/dom/FlexibleArrayBufferView.h" |
| #include "wtf/Noncopyable.h" |
| |
| namespace blink { |
| |
| template<typename WTFTypedArray> |
| class CORE_TEMPLATE_CLASS_EXPORT TypedFlexibleArrayBufferView final : public FlexibleArrayBufferView { |
| STACK_ALLOCATED(); |
| WTF_MAKE_NONCOPYABLE(TypedFlexibleArrayBufferView); |
| public: |
| using ValueType = typename WTFTypedArray::ValueType; |
| |
| TypedFlexibleArrayBufferView() : FlexibleArrayBufferView() {} |
| |
| ValueType* dataMaybeOnStack() const { return static_cast<ValueType*>(baseAddressMaybeOnStack()); } |
| |
| unsigned length() const |
| { |
| ASSERT(byteLength() % sizeof(ValueType) == 0); |
| return byteLength() / sizeof(ValueType); |
| } |
| }; |
| |
| using FlexibleInt32ArrayView = TypedFlexibleArrayBufferView<WTF::Int32Array>; |
| using FlexibleFloat32ArrayView = TypedFlexibleArrayBufferView<WTF::Float32Array>; |
| |
| } // namespace blink |
| |
| #endif // TypedFlexibleArrayBufferView_h |