int main() {
upperPair pair1(123, namePair("aaaaa", "xxxxxxx"));
upperPair pair2(345, namePair("bbb", "yyy"));
cout << "no\tfirst name\tlast name\n";
printUpperPair(pair1);
printUpperPair(pair2);
}
void* ClassCastProvider::
cast_to_base_class(void* pDerivVoid, const ClassNameNode*& node, const std::string& baseName)
{
// find way to base class
std::vector<size_t> vWay;
if(!ClassNameTreeWay(vWay, *node, baseName))
{
UG_ERR_LOG("ERROR in ClassCastProvider::cast_to_base_class: Request"
" to cast from derived class '"<< node->name()<<"' to "
" base class '"<<baseName<<"', but no such base class in"
" registered class hierarchy.");
throw new UGError_ClassCastFailed(node->name(), baseName);
}
void* currPtr = pDerivVoid;
const ClassNameNode* pCurrNode = node;
// cast all the way down
while(!vWay.empty())
{
// get base class to cast to
const ClassNameNode* pBaseClassNode = &pCurrNode->base_class(vWay.back());
// get name pair
std::pair<const ClassNameNode*, const ClassNameNode*> namePair(pBaseClassNode, pCurrNode);
// find in map
std::map<std::pair<const ClassNameNode*, const ClassNameNode*>, CastFunc>::iterator it;
it = m_mmCast.find(namePair);
if(it == m_mmCast.end())
{
UG_ERR_LOG("ERROR in ClassCastProvider::cast_to_base_class:"
" Request intermediate cast from derived class '" <<
pCurrNode->name() <<"' to direct base class '"
<<pBaseClassNode->name()<<"', but no such cast "
" function registered.");
throw new UGError_ClassCastFailed(node->name(), baseName);
}
// get cast function
CastFunc pCastFunc = it->second;
// cast
currPtr = (*pCastFunc)(currPtr);
// set node to base class
pCurrNode = pBaseClassNode;
// pop way
vWay.pop_back();
}
// write current node on exit
node = pCurrNode;
// return current pointer
return currPtr;
}
