1 /*

     2  * Copyright (C) 2003 Apple Computer, Inc.  All rights reserved.

     3  *

     4  * Redistribution and use in source and binary forms, with or without

     5  * modification, are permitted provided that the following conditions

     6  * are met:

     7  * 1. Redistributions of source code must retain the above copyright

     8  *    notice, this list of conditions and the following disclaimer.

     9  * 2. Redistributions in binary form must reproduce the above copyright

    10  *    notice, this list of conditions and the following disclaimer in the

    11  *    documentation and/or other materials provided with the distribution.

    12  *

    13  * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY

    14  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE

    15  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR

    16  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL APPLE COMPUTER, INC. OR

    17  * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,

    18  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,

    19  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR

    20  * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY

    21  * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT

    22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE

    23  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 

    24  */

    25 

    26 #ifndef DeprecatedPtrList_h

    27 #define DeprecatedPtrList_h

    28 

    29 #include "DeprecatedPtrListImpl.h"

    30 #include <wtf/FastAllocBase.h>

    31 

    32 namespace WebCore {

    33 

    34 template <class T> class DeprecatedPtrListIterator;

    35 

    36 template <class T> class DeprecatedPtrList : public FastAllocBase {

    37 public:

    38     DeprecatedPtrList() : impl(deleteFunc), del_item(false) { }

    39     ~DeprecatedPtrList() { impl.clear(del_item); }

    40     

    41     DeprecatedPtrList(const DeprecatedPtrList& l) : impl(l.impl), del_item(false) { }

    42     DeprecatedPtrList& operator=(const DeprecatedPtrList &l) { impl.assign(l.impl, del_item); return *this; }

    43 

    44     bool isEmpty() const { return impl.isEmpty(); }

    45     unsigned count() const { return impl.count(); }

    46     void clear() { impl.clear(del_item); }

    47 

    48     T *at(unsigned n) { return (T *)impl.at(n); }

    49 

    50     bool insert(unsigned n, const T *item) { return impl.insert(n, item); }

    51     bool remove() { return impl.remove(del_item); }

    52     bool remove(unsigned n) { return impl.remove(n, del_item); }

    53     bool remove(const T *item) { return impl.removeRef(item, del_item); }

    54     bool removeFirst() { return impl.removeFirst(del_item); }

    55     bool removeLast() { return impl.removeLast(del_item); }

    56     bool removeRef(const T *item) { return impl.removeRef(item, del_item); }

    57 

    58     T *getFirst() const { return (T *)impl.getFirst(); }

    59     T *getLast() const { return (T *)impl.getLast(); }

    60     T *getNext() const { return (T *)impl.getNext(); }

    61     T *getPrev() const { return (T *)impl.getPrev(); }

    62     T *current() const { return (T *)impl.current(); }

    63     T *first() { return (T *)impl.first(); }

    64     T *last() { return (T *)impl.last(); }

    65     T *next() { return (T *)impl.next(); }

    66     T *prev() { return (T *)impl.prev(); }

    67     T *take(unsigned n) { return (T *)impl.take(n); }

    68     T *take() { return (T *)impl.take(); }

    69 

    70     void append(const T *item) { impl.append(item); }

    71     void prepend(const T *item) { impl.prepend(item); }

    72 

    73     unsigned containsRef(const T *item) const { return impl.containsRef(item); }

    74     int findRef(const T *item) { return impl.findRef(item); }

    75 

    76     typedef DeprecatedPtrListIterator<T> Iterator;

    77     typedef DeprecatedPtrListIterator<T> ConstIterator;

    78     ConstIterator begin() const { return ConstIterator(*this); }

    79     ConstIterator end() const { ConstIterator itr(*this); itr.toLast(); ++itr; return itr; }

    80 

    81     bool autoDelete() const { return del_item; }

    82     void setAutoDelete(bool autoDelete) { del_item = autoDelete; }

    83 

    84  private:

    85     static void deleteFunc(void *item) { delete (T *)item; }

    86 

    87     friend class DeprecatedPtrListIterator<T>;

    88 

    89     DeprecatedPtrListImpl impl;

    90     bool del_item;

    91 };

    92 

    93 template <class T> class DeprecatedPtrListIterator {

    94 public:

    95     DeprecatedPtrListIterator() { }

    96     DeprecatedPtrListIterator(const DeprecatedPtrList<T> &l) : impl(l.impl) { }

    97 

    98     unsigned count() const { return impl.count(); }

    99     T *toFirst() { return (T *)impl.toFirst(); }

   100     T *toLast() { return (T *)impl.toLast(); }

   101     T *current() const { return (T *)impl.current(); }

   102 

   103     operator T *() const { return (T *)impl.current(); }

   104     T *operator*() const { return (T *)impl.current(); }

   105     T *operator--() { return (T *)--impl; }

   106     T *operator++()  { return (T *)++impl; }

   107 

   108 private:

   109     DeprecatedPtrListImplIterator impl;

   110 };

   111 

   112 }

   113 

   114 #endif