00001 /* 00002 * Copyright (C) 2004 Apple Computer, Inc. All rights reserved. 00003 * 00004 * Redistribution and use in source and binary forms, with or without 00005 * modification, are permitted provided that the following conditions 00006 * are met: 00007 * 1. Redistributions of source code must retain the above copyright 00008 * notice, this list of conditions and the following disclaimer. 00009 * 2. Redistributions in binary form must reproduce the above copyright 00010 * notice, this list of conditions and the following disclaimer in the 00011 * documentation and/or other materials provided with the distribution. 00012 * 00013 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 00014 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 00015 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 00016 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 00017 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 00018 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 00019 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 00020 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 00021 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 00022 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 00023 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 00024 */ 00025 00026 #ifndef ArrayImpl_h 00027 #define ArrayImpl_h 00028 00029 #include <wtf/RefPtr.h> 00030 #include "Shared.h" 00031 00032 namespace WebCore { 00033 00034 class ArrayImpl 00035 { 00036 public: 00037 ArrayImpl(size_t itemSize, size_t numItems = 0); 00038 ~ArrayImpl(); 00039 00040 ArrayImpl(const ArrayImpl &); 00041 ArrayImpl &operator=(const ArrayImpl &); 00042 00043 void *at(size_t pos) const { return &d->data[pos * d->itemSize]; } 00044 00045 void *data() const; 00046 unsigned size() const; 00047 bool resize(size_t size); 00048 void duplicate(const void *data, size_t size); 00049 bool fill(const void *item, int size = -1); 00050 void detach(); 00051 00052 bool operator==(const ArrayImpl &) const; 00053 00054 private: 00055 class ArrayPrivate : public Shared<ArrayPrivate> 00056 { 00057 public: 00058 ArrayPrivate(size_t pNumItems, size_t pItemSize); 00059 ~ArrayPrivate(); 00060 00061 size_t numItems; 00062 size_t itemSize; 00063 char *data; 00064 }; 00065 00066 RefPtr<ArrayPrivate> d; 00067 }; 00068 00069 inline unsigned ArrayImpl::size() const 00070 { 00071 return d->numItems; 00072 } 00073 00074 } 00075 00076 #endif