QSharedDataPointer< T > Class Template Reference

#include <qshareddata.h>

Class Description

template<class T>
class QSharedDataPointer< T >

Definition at line 54 of file qshareddata.h.

Public Types
typedef T	Type
typedef T *	pointer

Public Member Functions
void	detach ()
T &	operator* ()
const T &	operator* () const
T *	operator-> ()
const T *	operator-> () const
	operator T * ()
	operator const T * () const
T *	data ()
const T *	data () const
const T *	constData () const
bool	operator== (const QSharedDataPointer< T > &other) const
bool	operator!= (const QSharedDataPointer< T > &other) const
	QSharedDataPointer ()
	~QSharedDataPointer ()
	QSharedDataPointer (T *data)
	QSharedDataPointer (const QSharedDataPointer< T > &o)
QSharedDataPointer< T > &	operator= (const QSharedDataPointer< T > &o)
QSharedDataPointer &	operator= (T *o)
bool	operator! () const
void	swap (QSharedDataPointer &other)

Protected Member Functions
T *	clone ()

Member Typedef Documentation

typedef T Type

Definition at line 72 of file qshareddata.h.

typedef T* pointer

Definition at line 73 of file qshareddata.h.

Constructor & Destructor Documentation

QSharedDataPointer ( )

inline

Definition at line 89 of file qshareddata.h.

{ d = 0; }

~QSharedDataPointer ( )

inline

Definition at line 90 of file qshareddata.h.

{ if (d && !d->ref.deref()) delete d; }

Q_INLINE_TEMPLATE QSharedDataPointer ( T *  data )

explicit

Definition at line 221 of file qshareddata.h.

                                                                    : d(adata)
{ if (d) d->ref.ref(); }

QSharedDataPointer ( const QSharedDataPointer< T > &  o )

inline

Definition at line 93 of file qshareddata.h.

: d(o.d) { if (d) d->ref.ref(); }

Member Function Documentation

void detach ( )

inline

Definition at line 75 of file qshareddata.h.

{ if (d && d->ref != 1) detach_helper(); }

T& operator* ( )

inline

Definition at line 76 of file qshareddata.h.

{ detach(); return *d; }

const T& operator* ( ) const

inline

Definition at line 77 of file qshareddata.h.

{ return *d; }

T* operator-> ( void  )

inline

Definition at line 78 of file qshareddata.h.

{ detach(); return d; }

const T* operator-> ( void  ) const

inline

Definition at line 79 of file qshareddata.h.

{ return d; }

operator T * ( )

inline

Definition at line 80 of file qshareddata.h.

{ detach(); return d; }

operator const T * ( ) const

inline

Definition at line 81 of file qshareddata.h.

{ return d; }

T* data ( )

inline

Definition at line 82 of file qshareddata.h.

{ detach(); return d; }

const T* data ( ) const

inline

Definition at line 83 of file qshareddata.h.

{ return d; }

const T* constData ( ) const

inline

Definition at line 84 of file qshareddata.h.

{ return d; }

bool operator== ( const QSharedDataPointer< T > &  other ) const

inline

Definition at line 86 of file qshareddata.h.

{ return d == other.d; }

bool operator!= ( const QSharedDataPointer< T > &  other ) const

inline

Definition at line 87 of file qshareddata.h.

{ return d != other.d; }

QSharedDataPointer<T>& operator= ( const QSharedDataPointer< T > &  o )

inline

Definition at line 94 of file qshareddata.h.

                                                                             {
        if (o.d != d) {
            if (o.d)
                o.d->ref.ref();
            T *old = d;
            d = o.d;
            if (old && !old->ref.deref())
                delete old;
        }
        return *this;
    }

QSharedDataPointer& operator= ( T *  o )

inline

Definition at line 105 of file qshareddata.h.

                                               {
        if (o != d) {
            if (o)
                o->ref.ref();
            T *old = d;
            d = o;
            if (old && !old->ref.deref())
                delete old;
        }
        return *this;
    }

bool operator! ( void  ) const

inline

Definition at line 122 of file qshareddata.h.

{ return !d; }

void swap ( QSharedDataPointer< T > &  other )

inline

Definition at line 124 of file qshareddata.h.

    { qSwap(d, other.d); }

Q_INLINE_TEMPLATE T * clone ( )

protected

Definition at line 225 of file qshareddata.h.

{
    return new T(*d);
}

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The documentation for this class was generated from the following file:

• QtCore/qshareddata.h