Utils moved to uavcan/util/*

libuavcan/include/uavcan/util/method_binder.hpp

@@ -0,0 +1,63 @@
+/*
+ * Copyright (C) 2014 Pavel Kirienko <pavel.kirienko@gmail.com>
+ */
+
+#pragma once
+
+#include <uavcan/internal/fatal_error.hpp>
+#include <uavcan/internal/impl_constants.hpp>
+#include <uavcan/util/compile_time.hpp>
+
+namespace uavcan
+{
+
+template <typename ObjectPtr, typename MemFunPtr>
+class MethodBinder
+{
+    ObjectPtr obj_;
+    MemFunPtr fun_;
+
+    void validateBeforeCall() const
+    {
+        if (!operator bool())
+            handleFatalError("Null method binder");
+    }
+
+public:
+    MethodBinder()
+    : obj_()
+    , fun_()
+    { }
+
+    MethodBinder(ObjectPtr o, MemFunPtr f)
+    : obj_(o)
+    , fun_(f)
+    { }
+
+    operator bool() const
+    {
+        return try_implicit_cast<bool>(obj_, true) && try_implicit_cast<bool>(fun_, true);
+    }
+
+    void operator()()
+    {
+        validateBeforeCall();
+        (obj_->*fun_)();
+    }
+
+    template <typename Par1>
+    void operator()(Par1 p1)
+    {
+        validateBeforeCall();
+        (obj_->*fun_)(p1);
+    }
+
+    template <typename Par1, typename Par2>
+    void operator()(Par1 p1, Par2 p2)
+    {
+        validateBeforeCall();
+        (obj_->*fun_)(p1, p2);
+    }
+};
+
+}