Imported WebKit commit 2ea9d364d0f6efa8fa64acf19f451504c59be0e4 (http://svn.webkit.org/repository/webkit/trunk@104285)

1 files changed, 120 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/runtime/JSByteArray.cpp b/Source/JavaScriptCore/runtime/JSByteArray.cpp
new file mode 100644
index 000000000..7478a08fb
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+++ b/Source/JavaScriptCore/runtime/JSByteArray.cpp
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+/*
+ * 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.
+ */
+
+#include "config.h"
+#include "JSByteArray.h"
+
+#include "JSGlobalObject.h"
+#include "PropertyNameArray.h"
+
+using namespace WTF;
+
+namespace JSC {
+
+const ClassInfo JSByteArray::s_info = { "ByteArray", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(JSByteArray) };
+
+JSByteArray::JSByteArray(ExecState* exec, Structure* structure, ByteArray* storage)
+    : JSNonFinalObject(exec->globalData(), structure)
+    , m_storage(storage)
+{
+}
+        
+JSByteArray::~JSByteArray()
+{
+    ASSERT(jsCast<JSByteArray*>(this));
+}
+
+void JSByteArray::destroy(JSCell* cell)
+{
+    jsCast<JSByteArray*>(cell)->JSByteArray::~JSByteArray();
+}
+
+Structure* JSByteArray::createStructure(JSGlobalData& globalData, JSGlobalObject* globalObject, JSValue prototype, const JSC::ClassInfo* classInfo)
+{
+    return Structure::create(globalData, globalObject, prototype, TypeInfo(ObjectType, StructureFlags), classInfo);
+}
+
+bool JSByteArray::getOwnPropertySlot(JSCell* cell, ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
+    bool ok;
+    unsigned index = propertyName.toUInt32(ok);
+    if (ok && thisObject->canAccessIndex(index)) {
+        slot.setValue(thisObject->getIndex(exec, index));
+        return true;
+    }
+    return JSObject::getOwnPropertySlot(thisObject, exec, propertyName, slot);
+}
+
+bool JSByteArray::getOwnPropertyDescriptor(JSObject* object, ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+    JSByteArray* thisObject = jsCast<JSByteArray*>(object);
+    bool ok;
+    unsigned index = propertyName.toUInt32(ok);
+    if (ok && thisObject->canAccessIndex(index)) {
+        descriptor.setDescriptor(thisObject->getIndex(exec, index), DontDelete);
+        return true;
+    }
+    return JSObject::getOwnPropertyDescriptor(thisObject, exec, propertyName, descriptor);
+}
+
+bool JSByteArray::getOwnPropertySlotByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, PropertySlot& slot)
+{
+    JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
+    if (thisObject->canAccessIndex(propertyName)) {
+        slot.setValue(thisObject->getIndex(exec, propertyName));
+        return true;
+    }
+    return JSObject::getOwnPropertySlot(thisObject, exec, Identifier::from(exec, propertyName), slot);
+}
+
+void JSByteArray::put(JSCell* cell, ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
+{
+    JSByteArray* thisObject = jsCast<JSByteArray*>(cell);
+    bool ok;
+    unsigned index = propertyName.toUInt32(ok);
+    if (ok) {
+        thisObject->setIndex(exec, index, value);
+        return;
+    }
+    JSObject::put(thisObject, exec, propertyName, value, slot);
+}
+
+void JSByteArray::putByIndex(JSCell* cell, ExecState* exec, unsigned propertyName, JSValue value)
+{
+    jsCast<JSByteArray*>(cell)->setIndex(exec, propertyName, value);
+}
+
+void JSByteArray::getOwnPropertyNames(JSObject* object, ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
+{
+    JSByteArray* thisObject = jsCast<JSByteArray*>(object);
+    unsigned length = thisObject->m_storage->length();
+    for (unsigned i = 0; i < length; ++i)
+        propertyNames.add(Identifier::from(exec, i));
+    JSObject::getOwnPropertyNames(thisObject, exec, propertyNames, mode);
+}
+
+}
+