qvariant_p.h File Reference

#include <QtCore/qglobal.h>
#include <QtCore/qvariant.h>

Go to the source code of this file.

Classes
class	QVariantPrivateSharedEx< T >

Functions
Q_CORE_EXPORT const QVariant::Handler *	qcoreVariantHandler ()
template<typename T >
const T *	v_cast (const QVariant::Private *d, T *=0)
template<typename T >
T *	v_cast (QVariant::Private *d, T *=0)
template<class T >
void	v_clear (QVariant::Private *d, T *=0)
template<class T >
void	v_construct (QVariant::Private *x, const void *copy, T *=0)
template<class T >
void	v_construct (QVariant::Private *x, const T &t)

Function Documentation

qcoreVariantHandler()

Q_CORE_EXPORT const QVariant::Handler* qcoreVariantHandler

(

)

Definition at line 1193 of file qvariant.cpp.

Referenced by v_clear().

{
    return &qt_kernel_variant_handler;
}

v_cast() [1/2]

template<typename T >

const T* v_cast ( const QVariant::Private *  d, T *  = 0  )

inline

Definition at line 78 of file qvariant_p.h.

Referenced by QVariant::canConvert(), compare(), convert(), isNull(), qConvertToNumber(), qConvertToUnsignedNumber(), qt_convertToBool(), qVariantToHelper(), and v_clear().

{
    return ((sizeof(T) > sizeof(QVariant::Private::Data))
            ? static_cast<const T *>(d->data.shared->ptr)
            : static_cast<const T *>(static_cast<const void *>(&d->data.c)));
}

v_cast() [2/2]

template<typename T >

T* v_cast ( QVariant::Private *  d, T *  = 0  )

inline

Definition at line 86 of file qvariant_p.h.

{
    return ((sizeof(T) > sizeof(QVariant::Private::Data))
            ? static_cast<T *>(d->data.shared->ptr)
            : static_cast<T *>(static_cast<void *>(&d->data.c)));
}

v_clear()

template<class T >

void v_clear ( QVariant::Private *  d, T *  = 0  )

inline

Definition at line 136 of file qvariant_p.h.

{
    
    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
        //now we need to cast
        //because QVariant::PrivateShared doesn't have a virtual destructor
        delete static_cast<QVariantPrivateSharedEx<T>*>(d->data.shared);
    } else {
        v_cast<T>(d)->~T();
    }

}

v_construct() [1/2]

template<class T >

void v_construct ( QVariant::Private *  x, const void *  copy, T *  = 0  )

inline

Definition at line 109 of file qvariant_p.h.

{
    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
        x->data.shared = copy ? new QVariantPrivateSharedEx<T>(*static_cast<const T *>(copy))
                              : new QVariantPrivateSharedEx<T>;
        x->is_shared = true;
    } else {
        if (copy)
            new (&x->data.ptr) T(*static_cast<const T *>(copy));
        else
            new (&x->data.ptr) T;
    }
}

v_construct() [2/2]

template<class T >

void v_construct ( QVariant::Private *  x, const T &  t  )

inline

Definition at line 124 of file qvariant_p.h.

{
    if (sizeof(T) > sizeof(QVariant::Private::Data)) {
        x->data.shared = new QVariantPrivateSharedEx<T>(t);
        x->is_shared = true;
    } else {
        new (&x->data.ptr) T(t);
    }
}