1 files changed, 66 insertions, 0 deletions
diff --git a/project2/xmlStorage.h b/project2/xmlStorage.h
new file mode 100644
index 0000000..d35a182
--- /dev/null
+++ b/project2/xmlStorage.h
@@ -0,0 +1,66 @@
+#ifndef XMLSTORAGE_H
+#define XMLSTORAGE_H
+
+#include "sourceObject.h"
+#include "exceptions.h"
+#include <boost/intrusive_ptr.hpp>
+#include <boost/multi_index_container.hpp>
+#include <boost/multi_index/member.hpp>
+#include <boost/multi_index/ordered_index.hpp>
+
+SimpleMessageException(StoreFailed);
+
+struct bySOName { };
+struct bySOOrder { };
+
+template <class X>
+class Storage {
+	public:
+		typedef boost::multi_index::multi_index_container<
+			boost::intrusive_ptr<X>,
+			boost::multi_index::indexed_by<
+				boost::multi_index::ordered_unique<
+				boost::multi_index::tag<bySOOrder>, BOOST_MULTI_INDEX_MEMBER(SourceObject, const unsigned int, order)>,
+				boost::multi_index::ordered_unique<
+				boost::multi_index::tag<bySOName>, BOOST_MULTI_INDEX_MEMBER(SourceObject, const std::string, name)>
+				> > Objects;
+		typedef Objects * ObjectsPtr;
+};
+class Storer;
+typedef boost::intrusive_ptr<Storer> StorerPtr;
+class Storer : public virtual IntrusivePtrBase {
+	public:
+		template <class X>
+		static StorerPtr into(X * map);
+
+		virtual bool save(SourceObjectPtr o) const = 0;
+};
+
+template <class X>
+class StorerImpl : public Storer {
+	public:
+		StorerImpl(typename Storage<X>::ObjectsPtr m) : map(m)
+		{
+		}
+
+		bool save(SourceObjectPtr obj) const {
+			boost::intrusive_ptr<X> O = boost::dynamic_pointer_cast<X>(obj);
+			if (O) {
+				if (map->insert(O).second) {
+					return true;
+				}
+				throw StoreFailed(obj->name);
+			}
+			return false;
+		}
+		typename Storage<X>::ObjectsPtr map;
+};
+
+template <class X>
+StorerPtr
+Storer::into(X * map) {
+	return new StorerImpl<typename X::value_type::element_type>(map);
+}
+
+#endif
+