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Bazaar/PolyXML : added support for streaming maps of Ptr<T> where T is polymorphic hyerarchy

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git-svn-id: svn://ultimatepp.org/upp/trunk@3850 f0d560ea-af0d-0410-9eb7-867de7ffcac7
This commit is contained in:
micio 2011-09-11 15:21:19 +00:00
parent 50b8051167
commit b0f045daa9
1 changed files with 61 additions and 0 deletions
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61
bazaar/PolyXML/PolyXML.h
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@ -160,6 +160,67 @@ template<class K, class T> void PolyXMLArrayMap<K, T>::Xmlize(XmlIO xml)
}
}
////////////////////////////////////////////////////////////////////////////////////////////////
// PolyXMLArrayMapPtr class -- add support for streaming polymorphic maps of smart pointers of objects
template<class K, class T> class PolyXMLArrayMapPtr : public ArrayMap<K, Ptr<T> >
{
public:
// Xmlizer
void Xmlize(XmlIO xml);
void Add(const K &key, const Ptr<T> &data) { ArrayMap<K, Ptr<T> >::Add(key, data); }
};
template<class K, class T> void PolyXMLArrayMapPtr<K, T>::Xmlize(XmlIO xml)
{
if(xml.IsStoring())
{
for(int i = 0; i < PolyXMLArrayMapPtr::GetCount(); i++)
{
// skip unlinked elements
if(ArrayMap<K, Ptr<T> >::IsUnlinked(i))
continue;
Ptr<T> &data = PolyXMLArrayMapPtr::operator[](i);
K const &key = PolyXMLArrayMapPtr::GetKey(i);
// skip data marked as erase too
if(data->IsErased())
continue;
String tag = data->IsA();
XmlizeStore(xml.Add("key"), key);
XmlizeStore(xml.Add(tag), *data);
}
}
else
{
PolyXMLArrayMapPtr<K, T>::Clear();
for(int i = 0; i < xml->GetCount() - 1 && xml->Node(i).IsTag("key");)
{
if(xml->Node(i).IsTag())
{
K key;
Upp::Xmlize(xml.At(i++), key);
String tag = xml->Node(i).GetTag();
Ptr<T> data = T::CreatePtr(tag);
if(data)
{
data->Xmlize(xml.At(i++));
Add(key, data);
}
else
{
// unknown class -- gather raw xml node
String rawXml = AsXML(xml.At(i).Node());
// creates an unknown class and stores raw xml on it
Ptr<T> raw = (T *)new PolyXMLUnknown<T>(tag, rawXml);
Add(key, raw);
}
}
}
}
}
END_UPP_NAMESPACE;
#endif