/usr/include/odb/qt/smart-ptr/lazy-ptr.txx is in libodb-qt-dev 2.4.0-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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// copyright : Copyright (c) 2009-2015 Code Synthesis Tools CC
// license : GNU GPL v2; see accompanying LICENSE file
template <class T>
template <class X>
bool QLazySharedPointer<T>::
equal (const QLazySharedPointer<X>& r) const
{
bool t1 (!p_ == loaded ());
bool t2 (!r.p_ == r.loaded ());
// If both are transient, then compare the underlying pointers.
//
if (t1 && t2)
return p_ == r.p_;
// If one is transient and the other is persistent, then compare
// the underlying pointers but only if they are non NULL. Note
// that an unloaded persistent object is always unequal to a
// transient object.
//
if (t1 || t2)
return p_ == r.p_ && p_;
// If both objects are persistent, then we compare databases and
// object ids.
//
typedef typename odb::object_traits<T>::object_type object_type1;
typedef typename odb::object_traits<X>::object_type object_type2;
return i_.database () == r.i_.database () &&
objectId<object_type1> () == r.template objectId<object_type2> ();
}
//
// QLazyWeakPointer
//
template <class T>
template <class X>
bool QLazyWeakPointer<T>::
equal (const QLazyWeakPointer<X>& r) const
{
if (isNull () && r.isNull ())
return true;
QLazySharedPointer<T> sp1 (toStrongRef ());
QLazySharedPointer<T> sp2 (r.toStrongRef ());
// If either one has expired, they are not equal.
//
if (!sp1 || !sp2)
return false;
return sp1.equal (sp2);
}
template <class T>
template <class X>
bool QLazyWeakPointer<T>::
equal (const QLazySharedPointer<X>& r) const
{
if (isNull () && r.isNull ())
return true;
QLazySharedPointer<T> sp (toStrongRef ());
// If the weak pointer has expired, they are not equal.
//
if (!sp)
return false;
return r.equal (sp);
}
template <class T>
QLazySharedPointer<T> QLazyWeakPointer<T>::
toStrongRef () const
{
QSharedPointer<T> sp (p_.toStrongRef ());
if (sp)
{
if (database_type* db = i_.database ())
return QLazySharedPointer<T> (*db, sp);
else
return QLazySharedPointer<T> (sp);
}
else
{
if (i_)
return QLazySharedPointer<T> (
*i_.database (), i_.template object_id<T> ());
else
return QLazySharedPointer<T> ();
}
}
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