Imported Upstream version 3.2.2

[debian/gnuradio] / mblock / src / include / mblock / class_registry.h

diff --git a/mblock/src/include/mblock/class_registry.h b/mblock/src/include/mblock/class_registry.h
new file mode 100644 (file)
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+++ b/mblock/src/include/mblock/class_registry.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2007,2008 Free Software Foundation, Inc.
+ * 
+ * This file is part of GNU Radio
+ * 
+ * GNU Radio is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 3, or (at your option)
+ * any later version.
+ * 
+ * GNU Radio is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+#ifndef INCLUDED_MB_CLASS_REGISTRY_H
+#define INCLUDED_MB_CLASS_REGISTRY_H
+
+#include <mblock/common.h>
+
+//! conceptually, pointer to constructor
+typedef mb_mblock_sptr (*mb_mblock_maker_t)(mb_runtime *runtime,
+                                           const std::string &instance_name,
+                                           pmt_t user_arg);
+
+/*
+ * \brief Maintain mapping between mblock class_name and factory (maker)
+ */
+class mb_class_registry : public boost::noncopyable {
+public:
+  static bool register_maker(const std::string &name, mb_mblock_maker_t maker);
+  static bool lookup_maker(const std::string &name, mb_mblock_maker_t *maker);
+};
+
+template<class mblock>
+mb_mblock_sptr mb_mblock_maker(mb_runtime *runtime,
+                              const std::string &instance_name,
+                              pmt_t user_arg)
+{
+  return mb_mblock_sptr(new mblock(runtime, instance_name, user_arg));
+}
+
+#define REGISTER_MBLOCK_CLASS(name) \
+  bool __RBC__ ## name = mb_class_registry::register_maker(#name, &mb_mblock_maker<name>)
+
+#endif /* INCLUDED_MB_CLASS_REGISTRY_H */