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::s_info = { "String", &JSWrapperObject::s_info, 0, 0 }; 31 32 StringObject::StringObject(ExecState* exec, Structure* structure) 33 : JSWrapperObject(exec->globalData(), structure) 34 { 35 ASSERT(inherits(&s_info)); 36 setInternalValue(exec->globalData(), jsEmptyString(exec)); 37 } 38 39 StringObject::StringObject(JSGlobalData& globalData, Structure* structure, JSString* string) 40 : JSWrapperObject(globalData, structure) 41 { 42 ASSERT(inherits(&s_info)); 43 setInternalValue(globalData, string); 44 } 45 46 StringObject::StringObject(ExecState* exec, Structure* structure, const UString& string) 47 : JSWrapperObject(exec->globalData(), structure) 48 { 49 ASSERT(inherits(&s_info)); 50 setInternalValue(exec->globalData(), jsString(exec, string)); 51 } 52 53 bool StringObject::getOwnPropertySlot(ExecState* exec, const Identifier& propertyName, PropertySlot& slot) 54 { 55 if (internalValue()->getStringPropertySlot(exec, propertyName, slot)) 56 return true; 57 return JSObject::getOwnPropertySlot(exec, propertyName, slot); 58 } 59 60 bool StringObject::getOwnPropertySlot(ExecState* exec, unsigned propertyName, PropertySlot& slot) 61 { 62 if (internalValue()->getStringPropertySlot(exec, propertyName, slot)) 63 return true; 64 return JSObject::getOwnPropertySlot(exec, Identifier::from(exec, propertyName), slot); 65 } 66 67 bool StringObject::getOwnPropertyDescriptor(ExecState* exec, const Identifier& propertyName, PropertyDescriptor& descriptor) 68 { 69 if (internalValue()->getStringPropertyDescriptor(exec, propertyName, descriptor)) 70 return true; 71 return JSObject::getOwnPropertyDescriptor(exec, propertyName, descriptor); 72 } 73 74 void StringObject::put(ExecState* exec, const Identifier& propertyName, JSValue value, PutPropertySlot& slot) 75 { 76 if (propertyName == exec->propertyNames().length) 77 return; 78 JSObject::put(exec, propertyName, value, slot); 79 } 80 81 bool StringObject::deleteProperty(ExecState* exec, const Identifier& propertyName) 82 { 83 if (propertyName == exec->propertyNames().length) 84 return false; 85 bool isStrictUInt32; 86 unsigned i = propertyName.toUInt32(isStrictUInt32); 87 if (isStrictUInt32 && internalValue()->canGetIndex(i)) 88 return false; 89 return JSObject::deleteProperty(exec, propertyName); 90 } 91 92 void StringObject::getOwnPropertyNames(ExecState* exec, PropertyNameArray& propertyNames, EnumerationMode mode) 93 { 94 int size = internalValue()->length(); 95 for (int i = 0; i < size; ++i) 96 propertyNames.add(Identifier(exec, UString::number(i))); 97 if (mode == IncludeDontEnumProperties) 98 propertyNames.add(exec->propertyNames().length); 99 return JSObject::getOwnPropertyNames(exec, propertyNames, mode); 100 } 101 102 } // namespace JSC 103
