1 files changed, 41 insertions, 0 deletions
diff --git a/src/crepe/ValueBroker.h b/src/crepe/ValueBroker.h
new file mode 100644
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+++ b/src/crepe/ValueBroker.h
@@ -0,0 +1,41 @@
+#pragma once
+
+#include <functional>
+
+namespace crepe {
+
+/**
+ * \brief Give reference to value through custom set/get functions
+ *
+ * This class can be used to abstract direct access to any arbitrary value
+ * through a custom get and set function passed to its constructor. Consumers
+ * of this type may want to wrap it in a \c Proxy so it behaves like a regular
+ * variable.
+ *
+ * \tparam T  Type of the underlying variable
+ */
+template <typename T>
+class ValueBroker {
+public:
+	//! Set the value
+	virtual void set(const T &);
+	//! Retrieve the value
+	virtual const T & get();
+
+	typedef std::function<void(const T & target)> setter_t;
+	typedef std::function<const T & ()> getter_t;
+private:
+	setter_t setter;
+	getter_t getter;
+public:
+	/**
+	 * \param setter  Function that sets the variable
+	 * \param getter  Function that retrieves the variable
+	 */
+	ValueBroker(const setter_t & setter, const getter_t & getter);
+};
+
+}
+
+#include "ValueBroker.hpp"
+