src/qt3support/tools/q3asciicache.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 Q3ASCIICACHE_H
       
    43 #define Q3ASCIICACHE_H
       
    44 
       
    45 #include <Qt3Support/q3gcache.h>
       
    46 
       
    47 QT_BEGIN_HEADER
       
    48 
       
    49 QT_BEGIN_NAMESPACE
       
    50 
       
    51 QT_MODULE(Qt3SupportLight)
       
    52 
       
    53 template<class type>
       
    54 class Q3AsciiCache
       
    55 #ifdef qdoc
       
    56 	: public Q3PtrCollection
       
    57 #else
       
    58 	: public Q3GCache
       
    59 #endif
       
    60 {
       
    61 public:
       
    62     Q3AsciiCache(const Q3AsciiCache<type> &c) : Q3GCache(c) {}
       
    63     Q3AsciiCache(int maxCost=100, int size=17, bool caseSensitive=true,
       
    64 		 bool copyKeys=true)
       
    65 	: Q3GCache(maxCost, size, AsciiKey, caseSensitive, copyKeys) {}
       
    66    ~Q3AsciiCache()			{ clear(); }
       
    67     Q3AsciiCache<type> &operator=(const Q3AsciiCache<type> &c)
       
    68 			{ return (Q3AsciiCache<type>&)Q3GCache::operator=(c); }
       
    69     int	  maxCost()   const		{ return Q3GCache::maxCost(); }
       
    70     int	  totalCost() const		{ return Q3GCache::totalCost(); }
       
    71     void  setMaxCost(int m)		{ Q3GCache::setMaxCost(m); }
       
    72     uint  count()     const		{ return Q3GCache::count(); }
       
    73     uint  size()      const		{ return Q3GCache::size(); }
       
    74     bool  isEmpty()   const		{ return Q3GCache::count() == 0; }
       
    75     void  clear()			{ Q3GCache::clear(); }
       
    76     bool  insert(const char *k, const type *d, int c=1, int p=0)
       
    77 			{ return Q3GCache::insert_other(k,(Item)d,c,p);}
       
    78     bool  remove(const char *k)
       
    79 			{ return Q3GCache::remove_other(k); }
       
    80     type *take(const char *k)
       
    81 			{ return (type *)Q3GCache::take_other(k); }
       
    82     type *find(const char *k, bool ref=true) const
       
    83 			{ return (type *)Q3GCache::find_other(k,ref);}
       
    84     type *operator[](const char *k) const
       
    85 			{ return (type *)Q3GCache::find_other(k);}
       
    86     void  statistics() const	      { Q3GCache::statistics(); }
       
    87 private:
       
    88     void  deleteItem(Item d);
       
    89 };
       
    90 
       
    91 #if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
       
    92 template<> inline void Q3AsciiCache<void>::deleteItem(Q3PtrCollection::Item)
       
    93 {
       
    94 }
       
    95 #endif
       
    96 
       
    97 template<class type> inline void Q3AsciiCache<type>::deleteItem(Q3PtrCollection::Item d)
       
    98 {
       
    99     if (del_item) delete (type *)d;
       
   100 }
       
   101 
       
   102 
       
   103 template<class type>
       
   104 class Q3AsciiCacheIterator : public Q3GCacheIterator
       
   105 {
       
   106 public:
       
   107     Q3AsciiCacheIterator(const Q3AsciiCache<type> &c):Q3GCacheIterator((Q3GCache &)c) {}
       
   108     Q3AsciiCacheIterator(const Q3AsciiCacheIterator<type> &ci)
       
   109 				: Q3GCacheIterator((Q3GCacheIterator &)ci) {}
       
   110     Q3AsciiCacheIterator<type> &operator=(const Q3AsciiCacheIterator<type>&ci)
       
   111 	{ return (Q3AsciiCacheIterator<type>&)Q3GCacheIterator::operator=(ci); }
       
   112     uint  count()   const     { return Q3GCacheIterator::count(); }
       
   113     bool  isEmpty() const     { return Q3GCacheIterator::count() == 0; }
       
   114     bool  atFirst() const     { return Q3GCacheIterator::atFirst(); }
       
   115     bool  atLast()  const     { return Q3GCacheIterator::atLast(); }
       
   116     type *toFirst()	      { return (type *)Q3GCacheIterator::toFirst(); }
       
   117     type *toLast()	      { return (type *)Q3GCacheIterator::toLast(); }
       
   118     operator type *() const   { return (type *)Q3GCacheIterator::get(); }
       
   119     type *current()   const   { return (type *)Q3GCacheIterator::get(); }
       
   120     const char *currentKey() const { return Q3GCacheIterator::getKeyAscii(); }
       
   121     type *operator()()	      { return (type *)Q3GCacheIterator::operator()();}
       
   122     type *operator++()	      { return (type *)Q3GCacheIterator::operator++(); }
       
   123     type *operator+=(uint j)  { return (type *)Q3GCacheIterator::operator+=(j);}
       
   124     type *operator--()	      { return (type *)Q3GCacheIterator::operator--(); }
       
   125     type *operator-=(uint j)  { return (type *)Q3GCacheIterator::operator-=(j);}
       
   126 };
       
   127 
       
   128 QT_END_NAMESPACE
       
   129 
       
   130 QT_END_HEADER
       
   131 
       
   132 #endif // Q3ASCIICACHE_H