qptrdict.h

来自「Trolltech公司发布的图形界面操作系统。可在qt-embedded-2.3」· C头文件 代码 · 共 114 行

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** under the terms of the GNU General Public License as published by the
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#ifndef QPTRDICT_H
#define QPTRDICT_H

#ifndef QT_H
#include "qgdict.h"
#endif // QT_H

template<class type>
class QPtrDict
#ifdef Q_QDOC
	: public QPtrCollection
#else
	: public QGDict
#endif
{
public:
    QPtrDict(int size=17) : QGDict(size,PtrKey,0,0) {}
    QPtrDict( const QPtrDict<type> &d ) : QGDict(d) {}
   ~QPtrDict()				{ clear(); }
    QPtrDict<type> &operator=(const QPtrDict<type> &d)
			{ return (QPtrDict<type>&)QGDict::operator=(d); }
    uint  count()   const		{ return QGDict::count(); }
    uint  size()    const		{ return QGDict::size(); }
    bool  isEmpty() const		{ return QGDict::count() == 0; }
    void  insert( void *k, const type *d )
					{ QGDict::look_ptr(k,(Item)d,1); }
    void  replace( void *k, const type *d )
					{ QGDict::look_ptr(k,(Item)d,2); }
    bool  remove( void *k )		{ return QGDict::remove_ptr(k); }
    type *take( void *k )		{ return (type*)QGDict::take_ptr(k); }
    type *find( void *k ) const
		{ return (type *)((QGDict*)this)->QGDict::look_ptr(k,0,0); }
    type *operator[]( void *k ) const
		{ return (type *)((QGDict*)this)->QGDict::look_ptr(k,0,0); }
    void  clear()			{ QGDict::clear(); }
    void  resize( uint n )		{ QGDict::resize(n); }
    void  statistics() const		{ QGDict::statistics(); }

#ifdef Q_QDOC
protected:
    virtual QDataStream& read( QDataStream &, QPtrCollection::Item & );
    virtual QDataStream& write( QDataStream &, QPtrCollection::Item ) const;
#endif

private:
    void  deleteItem( Item d );
};

#if !defined(Q_BROKEN_TEMPLATE_SPECIALIZATION)
template<> inline void QPtrDict<void>::deleteItem( QPtrCollection::Item )
{
}
#endif

template<class type>
inline void QPtrDict<type>::deleteItem( QPtrCollection::Item d )
{
    if ( del_item ) delete (type *)d;
}

template<class type>
class QPtrDictIterator : public QGDictIterator
{
public:
    QPtrDictIterator(const QPtrDict<type> &d) :QGDictIterator((QGDict &)d) {}
   ~QPtrDictIterator()	      {}
    uint  count()   const     { return dict->count(); }
    bool  isEmpty() const     { return dict->count() == 0; }
    type *toFirst()	      { return (type *)QGDictIterator::toFirst(); }
    operator type *()  const  { return (type *)QGDictIterator::get(); }
    type *current()    const  { return (type *)QGDictIterator::get(); }
    void *currentKey() const  { return QGDictIterator::getKeyPtr(); }
    type *operator()()	      { return (type *)QGDictIterator::operator()(); }
    type *operator++()	      { return (type *)QGDictIterator::operator++(); }
    type *operator+=(uint j)  { return (type *)QGDictIterator::operator+=(j);}
};

#endif // QPTRDICT_H