1 /*
2 * Copyright (C) 1999-2001 Harri Porten (porten@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
StringObject(ExecState * exec,NonNullPassRefPtr<Structure> structure)32 StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure)
33 : JSWrapperObject(structure)
34 {
35 setInternalValue(jsEmptyString(exec));
36 }
37
StringObject(NonNullPassRefPtr<Structure> structure,JSString * string)38 StringObject::StringObject(NonNullPassRefPtr<Structure> structure, JSString* string)
39 : JSWrapperObject(structure)
40 {
41 setInternalValue(string);
42 }
43
StringObject(ExecState * exec,NonNullPassRefPtr<Structure> structure,const UString & string)44 StringObject::StringObject(ExecState* exec, NonNullPassRefPtr<Structure> structure, const UString& string)
45 : JSWrapperObject(structure)
46 {
47 setInternalValue(jsString(exec, string));
48 }
49
getOwnPropertySlot(ExecState * exec,const Identifier & propertyName,PropertySlot & slot)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
getOwnPropertySlot(ExecState * exec,unsigned propertyName,PropertySlot & slot)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
getOwnPropertyDescriptor(ExecState * exec,const Identifier & propertyName,PropertyDescriptor & descriptor)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
put(ExecState * exec,const Identifier & propertyName,JSValue value,PutPropertySlot & slot)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
deleteProperty(ExecState * exec,const Identifier & propertyName)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
getOwnPropertyNames(ExecState * exec,PropertyNameArray & propertyNames,EnumerationMode mode)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