Imported Upstream version 1.67.0upstream/1.67.0

1 files changed, 51 insertions, 0 deletions

diff --git a/boost/geometry/srs/projections/impl/factory_entry.hpp b/boost/geometry/srs/projections/impl/factory_entry.hpp
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+// Boost.Geometry (aka GGL, Generic Geometry Library)
+
+// Copyright (c) 2007-2012 Barend Gehrels, Amsterdam, the Netherlands.
+
+// This file was modified by Oracle on 2017.
+// Modifications copyright (c) 2017, Oracle and/or its affiliates.
+// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
+
+// Use, modification and distribution is subject to the Boost Software License,
+// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
+// http://www.boost.org/LICENSE_1_0.txt)
+
+#ifndef BOOST_GEOMETRY_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP
+#define BOOST_GEOMETRY_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP
+
+#include <string>
+
+#include <boost/geometry/srs/projections/impl/base_dynamic.hpp>
+
+namespace boost { namespace geometry { namespace projections
+{
+
+namespace detail
+{
+
+// forward declaration needed by some projections
+template <typename CT, typename Parameters>
+class factory;
+
+template <typename CT, typename P>
+class factory_entry
+{
+public:
+
+    virtual ~factory_entry() {}
+    virtual base_v<CT, P>* create_new(P const& par) const = 0;
+};
+
+template <typename CT, typename P>
+class base_factory
+{
+public:
+
+    virtual ~base_factory() {}
+    virtual void add_to_factory(std::string const& name, factory_entry<CT, P>* sub) = 0;
+};
+
+} // namespace detail
+}}} // namespace boost::geometry::projections
+
+#endif // BOOST_GEOMETRY_PROJECTIONS_IMPL_FACTORY_ENTRY_HPP