ExpressionItem *CopyItem(ExpressionItem *citem, int NeedConst)
{
if (!citem) return NULL;
ExpressionItem *item = NULL;
if ((NeedConst) && ((citem->type & ITEMTYPE) != IT_CONST))
{
// in case of non constant expression - flat it to const
RunTree(citem, item, RTO_NEEDCONST | ITC_INT | ITC_STRING | ITC_FLOAT | ITC_ARRAY);
if (item) return item;
}
item = AllocItem();
item->type = citem->type;
if ((item->type & (ITEMTYPE | ITEMSUBTYPE)) == (IT_CONST | ITC_STRING))
{
item->param1 = (EIPARAM) AllocString();
lstrcpy((LPSTR) item->param1, (LPSTR) citem->param1);
} else if (((item->type & (ITEMTYPE | ITEMSUBTYPE)) == (IT_CONST | ITC_ARRAY))
||
((item->type & (ITEMTYPE | ITEMSUBTYPE)) == (IT_VARIABLE | ITV_ARRITEM)))
{
item->param1 = citem->param1;
ArrayDesc *ad = (ArrayDesc*) item->param1;
ad->references++;
}
else item->param1 = citem->param1;
item->param2 = citem->param2;
item->next = NULL;
return item;
}
DOMNode* XMLIO::RunTree (DOMNode* node, void* ptr, unsigned int (*fun) (void*, DOMNode*) ) {
DOMNode* child;
DOMNode* rnode=NULL;
if (node) {
if (node->getNodeType() == DOMNode::ELEMENT_NODE) {
unsigned int code = fun(ptr,node);
if (code>0) return node;
for (child = node->getFirstChild(); child != 0; child=child->getNextSibling()) {
rnode = RunTree(child,ptr,fun);
if (rnode!=NULL) break;
}
}
}
return rnode;
}
