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Diffstat (limited to 'Source/JavaScriptCore/runtime/StringObject.cpp')
-rw-r--r-- | Source/JavaScriptCore/runtime/StringObject.cpp | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/Source/JavaScriptCore/runtime/StringObject.cpp b/Source/JavaScriptCore/runtime/StringObject.cpp new file mode 100644 index 0000000..eb9cfa3 --- /dev/null +++ b/Source/JavaScriptCore/runtime/StringObject.cpp @@ -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(exec->globalData(), structure) +{ + setInternalValue(exec->globalData(), jsEmptyString(exec)); +} + +StringObject::StringObject(JSGlobalData& globalData, NonNullPassRefPtr<Structure> structure, JSString* string) + : JSWrapperObject(globalData, structure) +{ + setInternalValue(globalData, string); +} + +StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string) + : JSWrapperObject(exec->globalData(), structure) +{ + setInternalValue(exec->globalData(), 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.toUInt32(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::number(i))); + if (mode == IncludeDontEnumProperties) + propertyNames.add(exec->propertyNames().length); + return JSObject::getOwnPropertyNames(exec, propertyNames, mode); +} + +} // namespace JSC |