File indexing completed on 2024-05-12 15:43:14
0001 /* 0002 * This file is part of the KDE libraries 0003 * Copyright (C) 1999-2000 Harri Porten (porten@kde.org) 0004 * Copyright (C) 2003, 2007 Apple Inc. All rights reserved. 0005 * 0006 * This library is free software; you can redistribute it and/or 0007 * modify it under the terms of the GNU Lesser General Public 0008 * License as published by the Free Software Foundation; either 0009 * version 2 of the License, or (at your option) any later version. 0010 * 0011 * This library is distributed in the hope that it will be useful, 0012 * but WITHOUT ANY WARRANTY; without even the implied warranty of 0013 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 0014 * Lesser General Public License for more details. 0015 * 0016 * You should have received a copy of the GNU Lesser General Public 0017 * License along with this library; if not, write to the Free Software 0018 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 0019 * 0020 */ 0021 0022 #ifndef ARRAY_INSTANCE_H 0023 #define ARRAY_INSTANCE_H 0024 0025 #include "object.h" 0026 0027 namespace KJS 0028 { 0029 struct ArrayStorage; 0030 0031 class KJS_EXPORT ArrayInstance : public JSObject 0032 { 0033 public: 0034 ArrayInstance(JSObject *prototype, unsigned initialLength); 0035 ArrayInstance(JSObject *prototype, const List &initialValues); 0036 ~ArrayInstance() override; 0037 0038 bool getOwnPropertySlot(ExecState *, const Identifier &propertyName, PropertySlot &) override; 0039 bool getOwnPropertySlot(ExecState *, unsigned propertyName, PropertySlot &) override; 0040 bool getOwnPropertyDescriptor(ExecState *, const Identifier &, PropertyDescriptor &) override; 0041 void put(ExecState *, const Identifier &propertyName, JSValue *, int attributes = None) override; 0042 void put(ExecState *, unsigned propertyName, JSValue *, int attributes = None) override; 0043 bool deleteProperty(ExecState *, const Identifier &propertyName) override; 0044 bool deleteProperty(ExecState *, unsigned propertyName) override; 0045 void getOwnPropertyNames(ExecState *, PropertyNameArray &, PropertyMap::PropertyMode mode) override; 0046 0047 bool defineOwnProperty(ExecState *exec, const Identifier &propertyName, PropertyDescriptor &desc, bool shouldThrow) override; 0048 void mark() override; 0049 0050 bool getPropertyAttributes(const Identifier &propertyName, unsigned &attributes) const override; 0051 0052 JSValue *getDirect(const Identifier &propertyName) const override; 0053 0054 virtual void putDirect(unsigned index, JSValue *value, int attr = 0); 0055 void putDirect(const Identifier &propertyName, JSValue *value, int attr = 0) override; 0056 void putDirect(const Identifier &propertyName, int value, int attr = 0) override; 0057 0058 void removeDirect(const Identifier &propertyName) override; 0059 0060 const ClassInfo *classInfo() const override 0061 { 0062 return &info; 0063 } 0064 static const ClassInfo info; 0065 0066 unsigned getLength() const 0067 { 0068 return m_length; 0069 } 0070 JSValue *getItem(unsigned) const; 0071 0072 void sort(ExecState *); 0073 void sort(ExecState *, JSObject *compareFunction); 0074 0075 private: 0076 static JSValue *lengthGetter(ExecState *, JSObject *, const Identifier &, const PropertySlot &); 0077 bool inlineGetOwnPropertySlot(ExecState *, unsigned propertyName, PropertySlot &); 0078 inline struct ArrayEntity *getArrayEntity(unsigned) const; 0079 0080 void setLength(unsigned); 0081 void increaseVectorLength(unsigned newLength); 0082 0083 unsigned compactForSorting(); 0084 0085 unsigned m_length; 0086 unsigned m_vectorLength; 0087 ArrayStorage *m_storage; 0088 0089 inline bool anyItemHasAttribute(unsigned attributes) const; 0090 uint32_t m_lengthAttributes; 0091 }; 0092 0093 } // namespace KJS 0094 0095 #endif