blob.hh

#ifndef VTESTBED_DB_BLOB_HH
#define VTESTBED_DB_BLOB_HH

#include <sstream>

#include <vtestbed/base/bstream.hh>
#include <sqlitex/statement.hh>

namespace vtb {

    namespace db {

        template <class Object>
        inline sqlite::blob
        make_blob(const Object& object) {
            std::stringbuf buf;
            vtb::base::bstream str(&buf);
            str << object;
            return buf.str();
        }

        template <class Object>
        struct object_wrapper {
            Object& _object;
        };

        template <class Object>
        inline sqlite::cstream&
        operator>>(sqlite::cstream& in, const object_wrapper<Object>& rhs) {
            sqlite::blob blob;
            in >> blob;
            if (!blob.empty()) {
                std::stringbuf buf{blob};
                vtb::base::bstream str{&buf};
                str >> rhs._object;
            }
            return in;
        }

        template <class Object>
        inline object_wrapper<Object>
        make_object(Object& object) {
            return object_wrapper<Object>{object};
        }

    }

}

#endif // vim:filetype=cpp