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#ifndef XMLSTORAGE_H
#define XMLSTORAGE_H
#include "sourceObject.h"
#include "exceptions.h"
#include <set>
#include <list>
#include <map>
#include <boost/intrusive_ptr.hpp>
SimpleMessageException(StoreFailed);
#define STORAGEOF(X) \
std::map<std::string, boost::intrusive_ptr<X> >
#define ANONORDEREDSTORAGEOF(X) \
std::list<boost::intrusive_ptr<X> >
#define ANONSTORAGEOF(X) \
std::set<boost::intrusive_ptr<X> >
class Storer;
typedef boost::intrusive_ptr<Storer> StorerPtr;
class Storer : public virtual IntrusivePtrBase {
public:
template <class X>
static StorerPtr into(STORAGEOF(X) * map);
template <class X>
static StorerPtr into(ANONSTORAGEOF(X) * set);
template <class X>
static StorerPtr into(ANONORDEREDSTORAGEOF(X) * list);
virtual bool save(SourceObjectPtr o, const xmlpp::Element *) = 0;
};
template <class X, class M = STORAGEOF(X)>
class StorerBase : public Storer {
public:
typedef M * Map;
bool save(SourceObjectPtr obj, const xmlpp::Element * p) {
boost::intrusive_ptr<X> O = boost::dynamic_pointer_cast<X>(obj);
if (O) {
if (insert(p, O)) {
return true;
}
throw StoreFailed(obj->name);
}
return false;
}
virtual bool insert(const xmlpp::Element *, boost::intrusive_ptr<X>) = 0;
};
template <class X, class M = STORAGEOF(X)>
class StorerImpl : public StorerBase<X, M> {
public:
StorerImpl(M * m);
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O);
};
template <class X>
class StorerImpl<X, STORAGEOF(X)> : public StorerBase<X, STORAGEOF(X)> {
public:
typedef STORAGEOF(X) Map;
StorerImpl(STORAGEOF(X) * m) : map(m)
{
}
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O)
{
return map->insert(typename Map::value_type(O->name, O)).second;
}
Map * map;
};
template <class X>
class StorerImpl<X, ANONSTORAGEOF(X)> : public StorerBase<X, ANONSTORAGEOF(X)> {
public:
typedef ANONSTORAGEOF(X) Map;
StorerImpl(ANONSTORAGEOF(X) * m) : map(m)
{
}
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O)
{
map->insert(O);
return true;
}
Map * map;
};
template <class X>
class StorerImpl<X, ANONORDEREDSTORAGEOF(X)> : public StorerBase<X, ANONORDEREDSTORAGEOF(X)> {
public:
typedef ANONORDEREDSTORAGEOF(X) Map;
StorerImpl(ANONORDEREDSTORAGEOF(X) * m) : map(m)
{
}
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O)
{
map->push_back(O);
return true;
}
Map * map;
};
template <class X>
StorerPtr
Storer::into(STORAGEOF(X) * map) {
return new StorerImpl<X, STORAGEOF(X)>(map);
}
template <class X>
StorerPtr
Storer::into(ANONSTORAGEOF(X) * set) {
return new StorerImpl<X, ANONSTORAGEOF(X)>(set);
}
template <class X>
StorerPtr
Storer::into(ANONORDEREDSTORAGEOF(X) * list) {
return new StorerImpl<X, ANONORDEREDSTORAGEOF(X)>(list);
}
#endif
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