--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/core/model/attribute-accessor-helper.h Fri Feb 18 16:05:39 2011 -0800
@@ -0,0 +1,315 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/*
+ * Copyright (c) 2008 INRIA
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation;
+ *
+ * This program 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ *
+ * Authors: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
+ */
+#ifndef ATTRIBUTE_ACCESSOR_HELPER_H
+#define ATTRIBUTE_ACCESSOR_HELPER_H
+
+#include "attribute.h"
+
+namespace ns3 {
+
+/**
+ * \ingroup AttributeHelper
+ */
+template <typename V, typename T1>
+Ptr<const AttributeAccessor>
+MakeAccessorHelper (T1 a1);
+
+/**
+ * \ingroup AttributeHelper
+ */
+template <typename V, typename T1, typename T2>
+Ptr<const AttributeAccessor>
+MakeAccessorHelper (T1 a1, T2 a2);
+
+} // namespace ns3
+
+/***************************************************************
+ * The implementation of the above functions.
+ ***************************************************************/
+
+#include "type-traits.h"
+
+namespace ns3 {
+
+template <typename T>
+struct AccessorTrait
+{
+ typedef typename TypeTraits<typename TypeTraits<T>::ReferencedType>::NonConstType Result;
+};
+
+template <typename T, typename U>
+class AccessorHelper : public AttributeAccessor
+{
+public:
+ AccessorHelper () {}
+
+ virtual bool Set (ObjectBase * object, const AttributeValue & val) const {
+ const U *value = dynamic_cast<const U *> (&val);
+ if (value == 0)
+ {
+ return false;
+ }
+ T *obj = dynamic_cast<T *> (object);
+ if (obj == 0)
+ {
+ return false;
+ }
+ return DoSet (obj, value);
+ }
+
+ virtual bool Get (const ObjectBase * object, AttributeValue &val) const {
+ U *value = dynamic_cast<U *> (&val);
+ if (value == 0)
+ {
+ return false;
+ }
+ const T *obj = dynamic_cast<const T *> (object);
+ if (obj == 0)
+ {
+ return false;
+ }
+ return DoGet (obj, value);
+ }
+
+private:
+ virtual bool DoSet (T *object, const U *v) const = 0;
+ virtual bool DoGet (const T *object, U *v) const = 0;
+};
+
+template <typename V, typename T, typename U>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperOne (U T::*memberVariable)
+{
+ class MemberVariable : public AccessorHelper<T,V>
+ {
+ public:
+ MemberVariable (U T::*memberVariable)
+ : AccessorHelper<T,V> (),
+ m_memberVariable (memberVariable)
+ {}
+ private:
+ virtual bool DoSet (T *object, const V *v) const {
+ typename AccessorTrait<U>::Result tmp;
+ bool ok = v->GetAccessor (tmp);
+ if (!ok)
+ {
+ return false;
+ }
+ (object->*m_memberVariable) = tmp;
+ return true;
+ }
+ virtual bool DoGet (const T *object, V *v) const {
+ v->Set (object->*m_memberVariable);
+ return true;
+ }
+ virtual bool HasGetter (void) const {
+ return true;
+ }
+ virtual bool HasSetter (void) const {
+ return true;
+ }
+
+ U T::*m_memberVariable;
+ };
+ return Ptr<const AttributeAccessor> (new MemberVariable (memberVariable), false);
+}
+
+template <typename V, typename T, typename U>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperOne (U (T::*getter) (void) const)
+{
+ class MemberMethod : public AccessorHelper<T,V>
+ {
+ public:
+ MemberMethod (U (T::*getter) (void) const)
+ : AccessorHelper<T,V> (),
+ m_getter (getter)
+ {}
+ private:
+ virtual bool DoSet (T *object, const V *v) const {
+ return false;
+ }
+ virtual bool DoGet (const T *object, V *v) const {
+ v->Set ((object->*m_getter) ());
+ return true;
+ }
+ virtual bool HasGetter (void) const {
+ return true;
+ }
+ virtual bool HasSetter (void) const {
+ return false;
+ }
+ U (T::*m_getter) (void) const;
+ };
+ return Ptr<const AttributeAccessor> (new MemberMethod (getter), false);
+}
+
+
+template <typename V, typename T, typename U>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperOne (void (T::*setter) (U))
+{
+ class MemberMethod : public AccessorHelper<T,V>
+ {
+ public:
+ MemberMethod (void (T::*setter) (U))
+ : AccessorHelper<T,V> (),
+ m_setter (setter)
+ {}
+ private:
+ virtual bool DoSet (T *object, const V *v) const {
+ typename AccessorTrait<U>::Result tmp;
+ bool ok = v->GetAccessor (tmp);
+ if (!ok)
+ {
+ return false;
+ }
+ (object->*m_setter) (tmp);
+ return true;
+ }
+ virtual bool DoGet (const T *object, V *v) const {
+ return false;
+ }
+ virtual bool HasGetter (void) const {
+ return false;
+ }
+ virtual bool HasSetter (void) const {
+ return true;
+ }
+ void (T::*m_setter) (U);
+ };
+ return Ptr<const AttributeAccessor> (new MemberMethod (setter), false);
+}
+
+template <typename W, typename T, typename U, typename V>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperTwo (void (T::*setter) (U),
+ V (T::*getter) (void) const)
+{
+ class MemberMethod : public AccessorHelper<T,W>
+ {
+ public:
+ MemberMethod (void (T::*setter) (U),
+ V (T::*getter) (void) const)
+ : AccessorHelper<T,W> (),
+ m_setter (setter),
+ m_getter (getter)
+ {}
+ private:
+ virtual bool DoSet (T *object, const W *v) const {
+ typename AccessorTrait<U>::Result tmp;
+ bool ok = v->GetAccessor (tmp);
+ if (!ok)
+ {
+ return false;
+ }
+ (object->*m_setter) (tmp);
+ return true;
+ }
+ virtual bool DoGet (const T *object, W *v) const {
+ v->Set ((object->*m_getter) ());
+ return true;
+ }
+ virtual bool HasGetter (void) const {
+ return true;
+ }
+ virtual bool HasSetter (void) const {
+ return true;
+ }
+ void (T::*m_setter) (U);
+ V (T::*m_getter) (void) const;
+ };
+ return Ptr<const AttributeAccessor> (new MemberMethod (setter, getter), false);
+}
+
+template <typename W, typename T, typename U, typename V>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperTwo (V (T::*getter) (void) const,
+ void (T::*setter) (U))
+{
+ return DoMakeAccessorHelperTwo<W> (setter, getter);
+}
+
+template <typename W, typename T, typename U, typename V>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperTwo (bool (T::*setter) (U),
+ V (T::*getter) (void) const)
+{
+ class MemberMethod : public AccessorHelper<T,W>
+ {
+ public:
+ MemberMethod (bool (T::*setter) (U),
+ V (T::*getter) (void) const)
+ : AccessorHelper<T,W> (),
+ m_setter (setter),
+ m_getter (getter)
+ {}
+ private:
+ virtual bool DoSet (T *object, const W *v) const {
+ typename AccessorTrait<U>::Result tmp;
+ bool ok = v->GetAccessor (tmp);
+ if (!ok)
+ {
+ return false;
+ }
+ ok = (object->*m_setter) (tmp);
+ return ok;
+ }
+ virtual bool DoGet (const T *object, W *v) const {
+ v->Set ((object->*m_getter) ());
+ return true;
+ }
+ virtual bool HasGetter (void) const {
+ return true;
+ }
+ virtual bool HasSetter (void) const {
+ return true;
+ }
+ bool (T::*m_setter) (U);
+ V (T::*m_getter) (void) const;
+ };
+ return Ptr<const AttributeAccessor> (new MemberMethod (setter, getter), false);
+}
+
+template <typename W, typename T, typename U, typename V>
+Ptr<const AttributeAccessor>
+DoMakeAccessorHelperTwo (bool (T::*getter) (void) const,
+ void (T::*setter) (U))
+{
+ return DoMakeAccessorHelperTwo<W> (setter, getter);
+}
+
+template <typename V, typename T1>
+Ptr<const AttributeAccessor>
+MakeAccessorHelper (T1 a1)
+{
+ return DoMakeAccessorHelperOne<V> (a1);
+}
+
+template <typename V, typename T1, typename T2>
+Ptr<const AttributeAccessor>
+MakeAccessorHelper (T1 a1, T2 a2)
+{
+ return DoMakeAccessorHelperTwo<V> (a1, a2);
+}
+
+} // namespace ns3
+
+#endif /* ATTRIBUTE_ACCESSOR_HELPER_H */