JavaScriptCore/runtime/StringObject.cpp
changeset 0 4f2f89ce4247
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/JavaScriptCore/runtime/StringObject.cpp	Fri Sep 17 09:02:29 2010 +0300
@@ -0,0 +1,99 @@
+/*
+ *  Copyright (C) 1999-2001 Harri Porten (porten@kde.org)
+ *  Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
+ *
+ *  This library is free software; you can redistribute it and/or
+ *  modify it under the terms of the GNU Lesser General Public
+ *  License as published by the Free Software Foundation; either
+ *  version 2 of the License, or (at your option) any later version.
+ *
+ *  This library is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+ *  Lesser General Public License for more details.
+ *
+ *  You should have received a copy of the GNU Lesser General Public
+ *  License along with this library; if not, write to the Free Software
+ *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+ *
+ */
+
+#include "config.h"
+#include "StringObject.h"
+
+#include "PropertyNameArray.h"
+
+namespace JSC {
+
+ASSERT_CLASS_FITS_IN_CELL(StringObject);
+
+const ClassInfo StringObject::info = { "String", 0, 0, 0 };
+
+StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure)
+    : JSWrapperObject(structure)
+{
+    setInternalValue(jsEmptyString(exec));
+}
+
+StringObject::StringObject(NonNullPassRefPtr<Structure> structure, JSString* string)
+    : JSWrapperObject(structure)
+{
+    setInternalValue(string);
+}
+
+StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string)
+    : JSWrapperObject(structure)
+{
+    setInternalValue(jsString(exec, string));
+}
+
+bool StringObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot)
+{
+    if (internalValue()->getStringPropertySlot(exec, propertyName, slot))
+        return true;
+    return JSObject::getOwnPropertySlot(exec, propertyName, slot);
+}
+    
+bool StringObject::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot)
+{
+    if (internalValue()->getStringPropertySlot(exec, propertyName, slot))
+        return true;    
+    return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot);
+}
+
+bool StringObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor)
+{
+    if (internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor))
+        return true;    
+    return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor);
+}
+
+void StringObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot)
+{
+    if (propertyName == exec->propertyNames().length)
+        return;
+    JSObject::put(exec, propertyName, value, slot);
+}
+
+bool StringObject::deleteProperty(ExecState* exec, const Identifier& propertyName)
+{
+    if (propertyName == exec->propertyNames().length)
+        return false;
+    bool isStrictUInt32;
+    unsigned i = propertyName.toStrictUInt32(&isStrictUInt32);
+    if (isStrictUInt32 && internalValue()->canGetIndex(i))
+        return false;
+    return JSObject::deleteProperty(exec, propertyName);
+}
+
+void StringObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode)
+{
+    int size = internalValue()->length();
+    for (int i = 0; i < size; ++i)
+        propertyNames.add(Identifier(exec, UString::from(i)));
+    if (mode == IncludeDontEnumProperties)
+        propertyNames.add(exec->propertyNames().length);
+    return JSObject::getOwnPropertyNames(exec, propertyNames, mode);
+}
+
+} // namespace JSC