Void testlist::Parent::cascadeRemoveChild() const {
Child prev;
for ( Child current = getFirstChild(); current.isValid(); current = current.getNextParentChild())
{
if (prev.isValid())
{
prev.removeParentHandler();
prev.setParent(Parent());
prev.destroy();
}
prev = current;
}
if (prev.isValid())
{
prev.removeParentHandler();
prev.destroy();
}
}
testlist::Child testlist::Parent::popFrontChild() const {
Child result = getFirstChild();
if(result.isValid())
{
result.removeParentHandler();
Child next = result.getNextParentChild();
result.setNextParentChild(Child());
result.setPrevParentChild(Child());
setFirstChild(next);
if(!next.isValid())
setLastChild(Child());
else
next.setPrevParentChild(Child());
setNumChilds(getNumChilds() - 1);
result.setParent(Parent());
}
return result;
}
Bool testlist::Parent::insertAfterChild(const Child & child, const Child & prev) const {
if(!child.isExists() ||
!prev.isExists() ||
prev.getParent() != *this ||
child.getParent().isValid())
return false;
Child next = prev.getNextParentChild();
prev.setNextParentChild(child);
child.setPrevParentChild(prev);
child.setNextParentChild(next);
if(next.isValid())
next.setPrevParentChild(child);
else
setLastChild(child);
child.setParent(*this);
setNumChilds(getNumChilds() + 1);
child.setupParentHandler();
return true;
}
Bool testlist::Parent::removeChild(const Child & child) const {
if( !child.isExists() || child.getParent() != *this)
return false;
child.removeParentHandler();
Child next = child.getNextParentChild(), prev = child.getPrevParentChild();
if(next.isValid())
next.setPrevParentChild(prev);
else if (getLastChild() == child)
setLastChild(prev);
else
return false;
if(prev.isValid())
prev.setNextParentChild(next);
else if (getFirstChild() == child)
setFirstChild(next);
else
return false;
child.setNextParentChild(Child());
child.setPrevParentChild(Child());
child.setParent(Parent());
setNumChilds(getNumChilds() - 1);
return true;
}