src/qt3support/tools/q3ptrdict.h
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     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
     6 **
       
     7 ** This file is part of the Qt3Support module of the Qt Toolkit.
       
     8 **
       
     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
    12 ** You may use this file in accordance with the terms and conditions
       
    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
    15 **
       
    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
    22 ** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
       
    23 **
       
    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
    27 **
       
    28 ** If you have questions regarding the use of this file, please contact
       
    29 ** Nokia at qt-info@nokia.com.
       
    30 **
       
    31 **
       
    32 **
       
    33 **
       
    34 **
       
    35 **
       
    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #ifndef Q3PTRDICT_H
       
    43 #define Q3PTRDICT_H
       
    44 
       
    45 #include <Qt3Support/q3gdict.h>
       
    46 
       
    47 QT_BEGIN_HEADER
       
    48 
       
    49 QT_BEGIN_NAMESPACE
       
    50 
       
    51 QT_MODULE(Qt3SupportLight)
       
    52 
       
    53 template<class type>
       
    54 class Q3PtrDict
       
    55 #ifdef qdoc
       
    56 	: public Q3PtrCollection
       
    57 #else
       
    58 	: public Q3GDict
       
    59 #endif
       
    60 {
       
    61 public:
       
    62     Q3PtrDict(int size=17) : Q3GDict(size,PtrKey,0,0) {}
       
    63     Q3PtrDict( const Q3PtrDict<type> &d ) : Q3GDict(d) {}
       
    64    ~Q3PtrDict()				{ clear(); }
       
    65     Q3PtrDict<type> &operator=(const Q3PtrDict<type> &d)
       
    66 			{ return (Q3PtrDict<type>&)Q3GDict::operator=(d); }
       
    67     uint  count()   const		{ return Q3GDict::count(); }
       
    68     uint  size()    const		{ return Q3GDict::size(); }
       
    69     bool  isEmpty() const		{ return Q3GDict::count() == 0; }
       
    70     void  insert( void *k, const type *d )
       
    71 					{ Q3GDict::look_ptr(k,(Item)d,1); }
       
    72     void  replace( void *k, const type *d )
       
    73 					{ Q3GDict::look_ptr(k,(Item)d,2); }
       
    74     bool  remove( void *k )		{ return Q3GDict::remove_ptr(k); }
       
    75     type *take( void *k )		{ return (type*)Q3GDict::take_ptr(k); }
       
    76     type *find( void *k ) const
       
    77 		{ return (type *)((Q3GDict*)this)->Q3GDict::look_ptr(k,0,0); }
       
    78     type *operator[]( void *k ) const
       
    79 		{ return (type *)((Q3GDict*)this)->Q3GDict::look_ptr(k,0,0); }
       
    80     void  clear()			{ Q3GDict::clear(); }
       
    81     void  resize( uint n )		{ Q3GDict::resize(n); }
       
    82     void  statistics() const		{ Q3GDict::statistics(); }
       
    83 
       
    84 #ifdef qdoc
       
    85 protected:
       
    86     virtual QDataStream& read( QDataStream &, Q3PtrCollection::Item & );
       
    87     virtual QDataStream& write( QDataStream &, Q3PtrCollection::Item ) const;
       
    88 #endif
       
    89 
       
    90 private:
       
    91     void  deleteItem( Item d );
       
    92 };
       
    93 
       
    94 #if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
       
    95 template<> inline void Q3PtrDict<void>::deleteItem( Q3PtrCollection::Item )
       
    96 {
       
    97 }
       
    98 #endif
       
    99 
       
   100 template<class type>
       
   101 inline void Q3PtrDict<type>::deleteItem( Q3PtrCollection::Item d )
       
   102 {
       
   103     if ( del_item ) delete (type *)d;
       
   104 }
       
   105 
       
   106 template<class type>
       
   107 class Q3PtrDictIterator : public Q3GDictIterator
       
   108 {
       
   109 public:
       
   110     Q3PtrDictIterator(const Q3PtrDict<type> &d) :Q3GDictIterator((Q3GDict &)d) {}
       
   111    ~Q3PtrDictIterator()	      {}
       
   112     uint  count()   const     { return dict->count(); }
       
   113     bool  isEmpty() const     { return dict->count() == 0; }
       
   114     type *toFirst()	      { return (type *)Q3GDictIterator::toFirst(); }
       
   115     operator type *()  const  { return (type *)Q3GDictIterator::get(); }
       
   116     type *current()    const  { return (type *)Q3GDictIterator::get(); }
       
   117     void *currentKey() const  { return Q3GDictIterator::getKeyPtr(); }
       
   118     type *operator()()	      { return (type *)Q3GDictIterator::operator()(); }
       
   119     type *operator++()	      { return (type *)Q3GDictIterator::operator++(); }
       
   120     type *operator+=(uint j)  { return (type *)Q3GDictIterator::operator+=(j);}
       
   121 };
       
   122 
       
   123 QT_END_NAMESPACE
       
   124 
       
   125 QT_END_HEADER
       
   126 
       
   127 #endif // Q3PTRDICT_H