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| author | Thiago Macieira <thiago.macieira@nokia.com> | 2010-02-12 18:44:11 (GMT) |
|---|---|---|
| committer | Thiago Macieira <thiago.macieira@nokia.com> | 2010-02-15 13:43:12 (GMT) |
| commit | 1cfc43170331aa9488018d50ee9cb1409e4bec97 (patch) | |
| tree | e39aa27bd0b75fbd3ec98988cf51f83c92b4f338 /src/corelib/tools/qsharedpointer_impl.h | |
| parent | c786e0cd3c40193073ce2f59f98a4d83bbe1a9b9 (diff) | |
| download | Qt-1cfc43170331aa9488018d50ee9cb1409e4bec97.zip Qt-1cfc43170331aa9488018d50ee9cb1409e4bec97.tar.gz Qt-1cfc43170331aa9488018d50ee9cb1409e4bec97.tar.bz2 | |
Add operator< and qHash for QSharedPointer and fix operator-.
This allows using QSharedPointer in QHash and QMap keys.
Reviewed-by: Bradley T. Hughes
Diffstat (limited to 'src/corelib/tools/qsharedpointer_impl.h')
| -rw-r--r-- | src/corelib/tools/qsharedpointer_impl.h | 49 |
1 files changed, 47 insertions, 2 deletions
diff --git a/src/corelib/tools/qsharedpointer_impl.h b/src/corelib/tools/qsharedpointer_impl.h index 8fbfcda..0dcea5f 100644 --- a/src/corelib/tools/qsharedpointer_impl.h +++ b/src/corelib/tools/qsharedpointer_impl.h @@ -653,6 +653,9 @@ public: T *value; }; +// +// operator== and operator!= +// template <class T, class X> bool operator==(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2) { @@ -674,7 +677,6 @@ bool operator==(const T *ptr1, const QSharedPointer<X> &ptr2) { return ptr1 == ptr2.data(); } - template <class T, class X> bool operator!=(const QSharedPointer<T> &ptr1, const X *ptr2) { @@ -697,11 +699,54 @@ bool operator!=(const QSharedPointer<T> &ptr1, const QWeakPointer<X> &ptr2) return ptr2 != ptr1; } +// +// operator- +// template <class T, class X> -Q_INLINE_TEMPLATE typename T::difference_type operator-(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2) +Q_INLINE_TEMPLATE typename QSharedPointer<T>::difference_type operator-(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2) { return ptr1.data() - ptr2.data(); } +template <class T, class X> +Q_INLINE_TEMPLATE typename QSharedPointer<T>::difference_type operator-(const QSharedPointer<T> &ptr1, X *ptr2) +{ + return ptr1.data() - ptr2; +} +template <class T, class X> +Q_INLINE_TEMPLATE typename QSharedPointer<X>::difference_type operator-(T *ptr1, const QSharedPointer<X> &ptr2) +{ + return ptr1 - ptr2.data(); +} + +// +// operator< +// +template <class T, class X> +Q_INLINE_TEMPLATE bool operator<(const QSharedPointer<T> &ptr1, const QSharedPointer<X> &ptr2) +{ + return ptr1.data() < ptr2.data(); +} +template <class T, class X> +Q_INLINE_TEMPLATE bool operator<(const QSharedPointer<T> &ptr1, X *ptr2) +{ + return ptr1.data() < ptr2; +} +template <class T, class X> +Q_INLINE_TEMPLATE bool operator<(T *ptr1, const QSharedPointer<X> &ptr2) +{ + return ptr1 < ptr2.data(); +} + +// +// qHash +// +template <class T> inline uint qHash(const T *key); // defined in qhash.h +template <class T> +Q_INLINE_TEMPLATE uint qHash(const QSharedPointer<T> &ptr) +{ + return QT_PREPEND_NAMESPACE(qHash)<T>(ptr.data()); +} + template <class T> Q_INLINE_TEMPLATE QWeakPointer<T> QSharedPointer<T>::toWeakRef() const |