1 /* 2 * Copyright (C) 1999-2001 Harri Porten (porten (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved. 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Lesser General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Lesser General Public License for more details. 14 * 15 * You should have received a copy of the GNU Lesser General Public 16 * License along with this library; if not, write to the Free Software 17 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 18 * 19 */ 20 21 #include "config.h" 22 #include "StringObject.h" 23 24 #include "PropertyNameArray.h" 25 26 namespace JSC { 27 28 ASSERT_CLASS_FITS_IN_CELL(StringObject); 29 30 const ClassInfo StringObject::info = { "String", 0, 0, 0 }; 31 32 StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure) 33 : JSWrapperObject(structure) 34 { 35 setInternalValue(jsEmptyString(exec)); 36 } 37 38 StringObject::StringObject(NonNullPassRefPtr<Structure> structure, JSString* string) 39 : JSWrapperObject(structure) 40 { 41 setInternalValue(string); 42 } 43 44 StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string) 45 : JSWrapperObject(structure) 46 { 47 setInternalValue(jsString(exec, string)); 48 } 49 50 bool StringObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 51 { 52 if (internalValue()->getStringPropertySlot(exec, propertyName, slot)) 53 return true; 54 return JSObject::getOwnPropertySlot(exec, propertyName, slot); 55 } 56 57 bool StringObject::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) 58 { 59 if (internalValue()->getStringPropertySlot(exec, propertyName, slot)) 60 return true; 61 return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); 62 } 63 64 bool StringObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 65 { 66 if (internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor)) 67 return true; 68 return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor); 69 } 70 71 void StringObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) 72 { 73 if (propertyName == exec->propertyNames().length) 74 return; 75 JSObject::put(exec, propertyName, value, slot); 76 } 77 78 bool StringObject::deleteProperty(ExecState* exec, const Identifier& propertyName) 79 { 80 if (propertyName == exec->propertyNames().length) 81 return false; 82 bool isStrictUInt32; 83 unsigned i = propertyName.toStrictUInt32(&isStrictUInt32); 84 if (isStrictUInt32 && internalValue()->canGetIndex(i)) 85 return false; 86 return JSObject::deleteProperty(exec, propertyName); 87 } 88 89 void StringObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) 90 { 91 int size = internalValue()->length(); 92 for (int i = 0; i < size; ++i) 93 propertyNames.add(Identifier(exec, UString::from(i))); 94 if (mode == IncludeDontEnumProperties) 95 propertyNames.add(exec->propertyNames().length); 96 return JSObject::getOwnPropertyNames(exec, propertyNames, mode); 97 } 98 99 } // namespace JSC 100
