JavaScriptCore-521.tar.gz

[apple/javascriptcore.git] / runtime / JSByteArray.cpp

diff --git a/runtime/JSByteArray.cpp b/runtime/JSByteArray.cpp
new file mode 100644 (file)
index 0000000..54cf7cb
--- /dev/null
+++ b/runtime/JSByteArray.cpp
@@ -0,0 +1,97 @@
+/*
+ * 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_defaultInfo = { "ByteArray", 0, 0, 0 };
+
+JSByteArray::JSByteArray(ExecState* exec, PassRefPtr<Structure> structure, ByteArray* storage, const JSC::ClassInfo* classInfo)
+    : JSObject(structure)
+    , m_storage(storage)
+    , m_classInfo(classInfo)
+{
+    putDirect(exec->globalData().propertyNames->length, jsNumber(exec, m_storage->length()), ReadOnly | DontDelete);
+}
+    
+PassRefPtr<Structure> JSByteArray::createStructure(JSValuePtr prototype)
+{
+    PassRefPtr<Structure> result = Structure::create(prototype, TypeInfo(ObjectType));
+    return result;
+}
+
+bool JSByteArray::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    bool ok;
+    unsigned index = propertyName.toUInt32(&ok, false);
+    if (ok && canAccessIndex(index)) {
+        slot.setValue(getIndex(exec, index));
+        return true;
+    }
+    return JSObject::getOwnPropertySlot(exec, propertyName, slot);
+}
+    
+bool JSByteArray::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
+{
+    if (canAccessIndex(propertyName)) {
+        slot.setValue(getIndex(exec, propertyName));
+        return true;
+    }
+    return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
+}
+
+void JSByteArray::put(ExecState* exec, const Identifier& propertyName, JSValuePtr value, PutPropertySlot& slot)
+{
+    bool ok;
+    unsigned index = propertyName.toUInt32(&ok, false);
+    if (ok) {
+        setIndex(exec, index, value);
+        return;
+    }
+    JSObject::put(exec, propertyName, value, slot);
+}
+
+void JSByteArray::put(ExecState* exec, unsigned propertyName, JSValuePtr value)
+{
+    setIndex(exec, propertyName, value);
+}
+
+void JSByteArray::getPropertyNames(ExecState* exec, PropertyNameArray& propertyNames)
+{
+    unsigned length = m_storage->length();
+    for (unsigned i = 0; i < length; ++i)
+        propertyNames.add(Identifier::from(exec, i));
+    JSObject::getPropertyNames(exec, propertyNames);
+}
+
+}
+