// -*- c-basic-offset: 2 -*- /* * This file is part of the KDE libraries * Copyright (C) 2004 Apple Computer, Inc. * * This library is free software; you can redistribute it and/or * modify it under the terms of the GNU Library 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 * Library General Public License for more details. * * You should have received a copy of the GNU Library General Public License * along with this library; see the file COPYING.LIB. If not, write to * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, * Boston, MA 02111-1307, USA. * */ #ifndef _KJS_PROTECTED_VALUES_H_ #define _KJS_PROTECTED_VALUES_H_ namespace KJS { class ValueImp; class ProtectedValues { struct KeyValue { ValueImp *key; int value; }; public: static void increaseProtectCount(ValueImp *key); static void decreaseProtectCount(ValueImp *key); static int getProtectCount(ValueImp *key); private: static void insert(ValueImp *key, int value); static void expand(); static void shrink(); static void rehash(int newTableSize); static unsigned computeHash(ValueImp *pointer); // let the collector scan the table directly for protected // values friend class Collector; static KeyValue * ProtectedValues::_table; static int ProtectedValues::_tableSize; static int ProtectedValues::_tableSizeMask; static int ProtectedValues::_keyCount; }; } #endif