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/*
* Copyright (C) 2003 Apple Computer, Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef DeprecatedPtrListImpl_h
#define DeprecatedPtrListImpl_h
namespace WebCore {
class DeprecatedListNode;
class DeprecatedPtrListImplIterator;
class DeprecatedPtrListImpl
{
public:
DeprecatedPtrListImpl(void (*deleteFunc)(void *));
DeprecatedPtrListImpl(const DeprecatedPtrListImpl &impl);
~DeprecatedPtrListImpl();
bool isEmpty() const { return nodeCount == 0; }
unsigned count() const { return nodeCount; }
void clear(bool deleteItems);
void *at(unsigned n);
bool insert(unsigned n, const void *item);
bool remove(bool deleteItem);
bool remove(unsigned n, bool deleteItem);
bool removeFirst(bool deleteItem);
bool removeLast(bool deleteItem);
bool removeRef(const void *item, bool deleteItem);
void *getFirst() const;
void *getLast() const;
void *getNext() const;
void *getPrev() const;
void *current() const;
void *first();
void *last();
void *next();
void *prev();
void *take(unsigned n);
void *take();
void append(const void *item);
void prepend(const void *item);
unsigned containsRef(const void *item) const;
int findRef(const void *item);
DeprecatedPtrListImpl &assign(const DeprecatedPtrListImpl &impl, bool deleteItems);
private:
DeprecatedPtrListImpl &operator =(const DeprecatedPtrListImpl &impl);
void swap(DeprecatedPtrListImpl &impl);
void addIterator(DeprecatedPtrListImplIterator *iter) const;
void removeIterator(DeprecatedPtrListImplIterator *iter) const;
DeprecatedListNode *head;
DeprecatedListNode *tail;
DeprecatedListNode *cur;
unsigned nodeCount;
void (*deleteItem)(void *);
mutable DeprecatedPtrListImplIterator *iterators;
friend class DeprecatedPtrListImplIterator;
};
class DeprecatedPtrListImplIterator {
public:
DeprecatedPtrListImplIterator();
DeprecatedPtrListImplIterator(const DeprecatedPtrListImpl &impl);
~DeprecatedPtrListImplIterator();
DeprecatedPtrListImplIterator(const DeprecatedPtrListImplIterator &impl);
DeprecatedPtrListImplIterator &operator=(const DeprecatedPtrListImplIterator &impl);
unsigned count() const;
void *toFirst();
void *toLast();
void *current() const;
void *operator--();
void *operator++();
private:
const DeprecatedPtrListImpl *list;
DeprecatedListNode *node;
DeprecatedPtrListImplIterator *next;
DeprecatedPtrListImplIterator *prev;
friend class DeprecatedPtrListImpl;
};
}
#endif
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