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Diffstat (limited to 'src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.h')
-rw-r--r-- | src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.h | 123 |
1 files changed, 0 insertions, 123 deletions
diff --git a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.h b/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.h deleted file mode 100644 index 5b7adcf..0000000 --- a/src/3rdparty/javascriptcore/JavaScriptCore/runtime/JSByteArray.h +++ /dev/null @@ -1,123 +0,0 @@ -/* - * Copyright (C) 2009 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 JSByteArray_h -#define JSByteArray_h - -#include "JSObject.h" - -#include <wtf/ByteArray.h> - -namespace JSC { - - class JSByteArray : public JSObject { - friend class JSGlobalData; - public: - bool canAccessIndex(unsigned i) { return i < m_storage->length(); } - JSValue getIndex(ExecState* exec, unsigned i) - { - ASSERT(canAccessIndex(i)); - return jsNumber(exec, m_storage->data()[i]); - } - - void setIndex(unsigned i, int value) - { - ASSERT(canAccessIndex(i)); - if (value & ~0xFF) { - if (value < 0) - value = 0; - else - value = 255; - } - m_storage->data()[i] = static_cast<unsigned char>(value); - } - - void setIndex(unsigned i, double value) - { - ASSERT(canAccessIndex(i)); - if (!(value > 0)) // Clamp NaN to 0 - value = 0; - else if (value > 255) - value = 255; - m_storage->data()[i] = static_cast<unsigned char>(value + 0.5); - } - - void setIndex(ExecState* exec, unsigned i, JSValue value) - { - double byteValue = value.toNumber(exec); - if (exec->hadException()) - return; - if (canAccessIndex(i)) - setIndex(i, byteValue); - } - - JSByteArray(ExecState* exec, NonNullPassRefPtr<Structure>, WTF::ByteArray* storage, const JSC::ClassInfo* = &s_defaultInfo); - static PassRefPtr<Structure> createStructure(JSValue prototype); - - virtual bool getOwnPropertySlot(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::PropertySlot&); - virtual bool getOwnPropertySlot(JSC::ExecState*, unsigned propertyName, JSC::PropertySlot&); - virtual bool getOwnPropertyDescriptor(ExecState*, const Identifier&, PropertyDescriptor&); - virtual void put(JSC::ExecState*, const JSC::Identifier& propertyName, JSC::JSValue, JSC::PutPropertySlot&); - virtual void put(JSC::ExecState*, unsigned propertyName, JSC::JSValue); - - virtual void getOwnPropertyNames(JSC::ExecState*, JSC::PropertyNameArray&, EnumerationMode mode = ExcludeDontEnumProperties); - - virtual const ClassInfo* classInfo() const { return m_classInfo; } - static const ClassInfo s_defaultInfo; - - size_t length() const { return m_storage->length(); } - - WTF::ByteArray* storage() const { return m_storage.get(); } - -#if !ASSERT_DISABLED - virtual ~JSByteArray(); -#endif - - protected: - static const unsigned StructureFlags = OverridesGetOwnPropertySlot | OverridesGetPropertyNames | JSObject::StructureFlags; - - private: - enum VPtrStealingHackType { VPtrStealingHack }; - JSByteArray(VPtrStealingHackType) - : JSObject(createStructure(jsNull())) - , m_classInfo(0) - { - } - - RefPtr<WTF::ByteArray> m_storage; - const ClassInfo* m_classInfo; - }; - - JSByteArray* asByteArray(JSValue value); - inline JSByteArray* asByteArray(JSValue value) - { - return static_cast<JSByteArray*>(asCell(value)); - } - - inline bool isJSByteArray(JSGlobalData* globalData, JSValue v) { return v.isCell() && v.asCell()->vptr() == globalData->jsByteArrayVPtr; } - -} // namespace JSC - -#endif // JSByteArray_h |