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#ifndef XMLSTORAGE_H
#define XMLSTORAGE_H
#include "sourceObject.h"
#include "xmlObjectLoader.h"
#include "exceptions.h"
#include <set>
#include <list>
#include <map>
#include <boost/intrusive_ptr.hpp>
SimpleMessageException(StoreFailed);
#define SINGLE(X) \
boost::intrusive_ptr<X>
#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 L, class X>
static StorerPtr into(SINGLE(X) * obj);
template <class L, class X>
static StorerPtr into(STORAGEOF(X) * map);
template <class L, class X>
static StorerPtr into(ANONSTORAGEOF(X) * set);
template <class L, class X>
static StorerPtr into(ANONORDEREDSTORAGEOF(X) * list);
virtual boost::intrusive_ptr<IntrusivePtrBase> save(const xmlpp::Element *) = 0;
};
template <class X, class M, class L>
class StorerBase : public Storer {
public:
typedef M * Map;
boost::intrusive_ptr<IntrusivePtrBase> save(const xmlpp::Element * p) {
try {
boost::intrusive_ptr<X> O = boost::dynamic_pointer_cast<X>(
LoaderBase::getLoader<L, NotSupported>(p->get_name())->createFrom(p));
if (O) {
if (!insert(p, O)) {
throw StoreFailed(p->get_attribute_value("name"));
}
}
return O;
}
catch (NotSupported) {
return NULL;
}
}
virtual bool insert(const xmlpp::Element *, boost::intrusive_ptr<X>) = 0;
};
template <class X, class M, class L>
class StorerImpl : public StorerBase<X, M, L> {
public:
StorerImpl(M * m);
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O);
};
template <class X, class L>
class StorerImpl<X, SINGLE(X), L> : public StorerBase<X, SINGLE(X), L> {
public:
typedef SINGLE(X) Obj;
StorerImpl(SINGLE(X) * o) : obj(o)
{
}
bool insert(const xmlpp::Element *, boost::intrusive_ptr<X> O)
{
*obj = O;
return true;
}
Obj * obj;
};
template <class X, class L>
class StorerImpl<X, STORAGEOF(X), L> : public StorerBase<X, STORAGEOF(X), L> {
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 L>
class StorerImpl<X, ANONSTORAGEOF(X), L> : public StorerBase<X, ANONSTORAGEOF(X), L> {
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 L>
class StorerImpl<X, ANONORDEREDSTORAGEOF(X), L> : public StorerBase<X, ANONORDEREDSTORAGEOF(X), L> {
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 L, class X>
StorerPtr
Storer::into(SINGLE(X) * obj) {
return new StorerImpl<X, SINGLE(X), L>(obj);
}
template <class L, class X>
StorerPtr
Storer::into(STORAGEOF(X) * map) {
return new StorerImpl<X, STORAGEOF(X), L>(map);
}
template <class L, class X>
StorerPtr
Storer::into(ANONSTORAGEOF(X) * set) {
return new StorerImpl<X, ANONSTORAGEOF(X), L>(set);
}
template <class L, class X>
StorerPtr
Storer::into(ANONORDEREDSTORAGEOF(X) * list) {
return new StorerImpl<X, ANONORDEREDSTORAGEOF(X), L>(list);
}
#endif
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