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authorSteve Block <steveblock@google.com>2011-05-06 11:45:16 +0100
committerSteve Block <steveblock@google.com>2011-05-12 13:44:10 +0100
commitcad810f21b803229eb11403f9209855525a25d57 (patch)
tree29a6fd0279be608e0fe9ffe9841f722f0f4e4269 /JavaScriptCore/runtime/JSByteArray.h
parent121b0cf4517156d0ac5111caf9830c51b69bae8f (diff)
downloadexternal_webkit-cad810f21b803229eb11403f9209855525a25d57.zip
external_webkit-cad810f21b803229eb11403f9209855525a25d57.tar.gz
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Merge WebKit at r75315: Initial merge by git.
Change-Id: I570314b346ce101c935ed22a626b48c2af266b84
Diffstat (limited to 'JavaScriptCore/runtime/JSByteArray.h')
-rw-r--r--JavaScriptCore/runtime/JSByteArray.h116
1 files changed, 0 insertions, 116 deletions
diff --git a/JavaScriptCore/runtime/JSByteArray.h b/JavaScriptCore/runtime/JSByteArray.h
deleted file mode 100644
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--- a/JavaScriptCore/runtime/JSByteArray.h
+++ /dev/null
@@ -1,116 +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*, unsigned i)
- {
- ASSERT(canAccessIndex(i));
- return jsNumber(m_storage->data()[i]);
- }
-
- void setIndex(unsigned i, int value)
- {
- ASSERT(canAccessIndex(i));
- m_storage->data()[i] = static_cast<unsigned char>(value);
- }
-
- void setIndex(unsigned i, double value)
- {
- ASSERT(canAccessIndex(i));
- // The largest integer value that a double can represent without loss of precision
- // is 2^53. long long is the smallest integral type that gives correct results
- // when casting numbers larger than 2^31 from a value of type double.
- m_storage->data()[i] = static_cast<unsigned char>(static_cast<long long>(value));
- }
-
- 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*>(value.asCell());
- }
-
- inline bool isJSByteArray(JSGlobalData* globalData, JSValue v) { return v.isCell() && v.asCell()->vptr() == globalData->jsByteArrayVPtr; }
-
-} // namespace JSC
-
-#endif // JSByteArray_h