Am Dienstag, 29. M�rz 2005 13:56 schrieb Michael Kochetkov:
> > Clearly you can download the source distribution of Xerces,
> > turn on RTTI and use dynamic_cast in your code.
>
> Our management prefer to have "official" builds.
>
> BTW, I have noticed that
> for (XMLSize_t i = 0; i < len; ++i) {
> ��������XS::DOMNode* curNode = myNodes->item(i);
> ��������XS::DOMElement* curElement =
> reinterpret_cast<XS::DOMElement*>(curNode);
> ��������XS::DOMNodeList *anotherNodeList =
> elem.getElementsByTagName(wsAgent.c_str());
>
> works pretty well indeed even if curNode does not contain child nodes
> (XS stands for the Xerces long namespace name). Does Xerces ever
> return pure DOMNode* pointers?
Hi Michael,
I use to take 'static_cast' in order to obtain a DOMElement-pointer from
a DOMNode-pointer. But usually I check the type of the node actually to
be DOMNode::ELEMENT_NODE before performing the cast.
static_cast is a weaker concept than dynamic_cast, sure. However,
static_cast is a stronger concept than reinterpret_cast, since the
compiler can check if there is a descent relationship between the
types.
BTW: do there exist any C++-compilers which do not understand
static_cast?
Cheers,
Axel
--
Humboldt-Universit�t zu Berlin
Institut f�r Informatik
Signalverarbeitung und Mustererkennung
Dipl.-Inf. Axel Wei�
Rudower Chaussee 25
12489 Berlin-Adlershof
+49-30-2093-3050
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