2 files changed, 98 insertions, 0 deletions
diff --git a/include/gras/detail/block.hpp b/include/gras/detail/block.hpp
new file mode 100644
index 0000000..483b2bf
--- /dev/null
+++ b/include/gras/detail/block.hpp
@@ -0,0 +1,35 @@
+// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
+
+#ifndef INCLUDED_GRAS_DETAIL_BLOCK_HPP
+#define INCLUDED_GRAS_DETAIL_BLOCK_HPP
+
+namespace gras
+{
+
+template <typename ClassType, typename ValueType>
+GRAS_FORCE_INLINE void Block::register_property(
+    const std::string &key,
+    ValueType(ClassType::*get)(void),
+    void(ClassType::*set)(const ValueType &)
+)
+{
+    boost::shared_ptr<PropertyRegistry> pr;
+    pr.reset(new PropertyRegistryImpl<ClassType, ValueType>(this, get, set));
+    this->property_interface_register(key, pr);
+}
+
+template <typename ValueType>
+GRAS_FORCE_INLINE void Block::set_property(const std::string &key, const ValueType &value)
+{
+    return this->property_interface_set(key, PMC_M(value));
+}
+
+template <typename ValueType>
+GRAS_FORCE_INLINE ValueType Block::get_property(const std::string &key)
+{
+    return this->property_interface_get(key).as<ValueType>();
+}
+
+} //namespace gras
+
+#endif /*INCLUDED_GRAS_DETAIL_BLOCK_HPP*/
diff --git a/include/gras/detail/property.hpp b/include/gras/detail/property.hpp
new file mode 100644
index 0000000..467fb70
--- /dev/null
+++ b/include/gras/detail/property.hpp
@@ -0,0 +1,63 @@
+// Copyright (C) by Josh Blum. See LICENSE.txt for licensing information.
+
+#ifndef INCLUDED_GRAS_DETAIL_PROPERTY_HPP
+#define INCLUDED_GRAS_DETAIL_PROPERTY_HPP
+
+#include <PMC/PMC.hpp>
+
+namespace gras
+{
+
+struct PropertyRegistry
+{
+    PropertyRegistry(void){}
+    ~PropertyRegistry(void){}
+    virtual void set(const PMCC &) = 0;
+    virtual PMCC get(void) = 0;
+};
+
+template <typename ClassType, typename ValueType>
+struct PropertyRegistryImpl : PropertyRegistry
+{
+    PropertyRegistryImpl(
+        ClassType *my_class,
+        ValueType(ClassType::*getter)(void),
+        void(ClassType::*setter)(const ValueType &)
+    ):
+        _my_class(my_class),
+        _getter(getter),
+        _setter(setter)
+    {}
+    ~PropertyRegistryImpl(void){}
+
+    void set(const PMCC &value)
+    {
+        return _setter(_my_class, value.as<ValueType>());
+    }
+
+    PMCC get(void)
+    {
+        return PMC_M(_getter(_my_class));
+    }
+
+    ClassType *_my_class;
+    ValueType(ClassType::*_getter)(void);
+    void(ClassType::*_setter)(const ValueType &);
+};
+
+struct PropertyInterface
+{
+    virtual void property_interface_register(
+        const std::string &key,
+        boost::shared_ptr<PropertyRegistry> pr
+    ) = 0;
+
+    virtual void property_interface_set(const std::string &key, const PMCC &value) = 0;
+
+    virtual PMCC property_interface_get(const std::string &key) = 0;
+
+};
+
+} //namespace gras
+
+#endif /*INCLUDED_GRAS_DETAIL_PROPERTY_HPP*/