760 lines
26 KiB
C++
760 lines
26 KiB
C++
/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
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/*
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* Copyright (c) 2005,2006 INRIA
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation;
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* Author: Mathieu Lacage <mathieu.lacage@sophia.inria.fr>
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*/
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#ifndef CALLBACK_H
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#define CALLBACK_H
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#include "ptr.h"
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#include "fatal-error.h"
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#include "empty.h"
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#include "type-traits.h"
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namespace ns3 {
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/***
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* \internal
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* This code was originally written based on the techniques
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* described in http://www.codeproject.com/cpp/TTLFunction.asp
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* It was subsequently rewritten to follow the architecture
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* outlined in "Modern C++ Design" by Andrei Alexandrescu in
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* chapter 5, "Generalized Functors".
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*
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* This code uses:
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* - default template parameters to saves users from having to
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* specify empty parameters when the number of parameters
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* is smaller than the maximum supported number
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* - the pimpl idiom: the Callback class is passed around by
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* value and delegates the crux of the work to its pimpl
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* pointer.
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* - two pimpl implementations which derive from CallbackImpl
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* FunctorCallbackImpl can be used with any functor-type
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* while MemPtrCallbackImpl can be used with pointers to
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* member functions.
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* - a reference list implementation to implement the Callback's
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* value semantics.
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*
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* This code most notably departs from the alexandrescu
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* implementation in that it does not use type lists to specify
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* and pass around the types of the callback arguments.
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* Of course, it also does not use copy-destruction semantics
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* and relies on a reference list rather than autoPtr to hold
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* the pointer.
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*/
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template <typename T>
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struct CallbackTraits;
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template <typename T>
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struct CallbackTraits<T *>
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{
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static T & GetReference (T * const p)
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{
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return *p;
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}
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};
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class CallbackImplBase
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{
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public:
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CallbackImplBase ()
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: m_count (1) {}
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virtual ~CallbackImplBase () {}
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void Ref (void) const {
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m_count++;
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}
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void Unref (void) const {
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m_count--;
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if (m_count == 0) {
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delete this;
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}
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}
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virtual bool IsEqual (Ptr<const CallbackImplBase> other) const = 0;
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private:
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mutable uint32_t m_count;
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};
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// declare the CallbackImpl class
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template <typename R, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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class CallbackImpl;
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// define CallbackImpl for 0 params
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template <typename R>
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class CallbackImpl<R,empty,empty,empty,empty,empty,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (void) = 0;
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};
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// define CallbackImpl for 1 params
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template <typename R, typename T1>
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class CallbackImpl<R,T1,empty,empty,empty,empty,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1) = 0;
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};
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// define CallbackImpl for 2 params
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template <typename R, typename T1, typename T2>
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class CallbackImpl<R,T1,T2,empty,empty,empty,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1, T2) = 0;
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};
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// define CallbackImpl for 3 params
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template <typename R, typename T1, typename T2, typename T3>
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class CallbackImpl<R,T1,T2,T3,empty,empty,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1, T2, T3) = 0;
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};
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// define CallbackImpl for 4 params
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template <typename R, typename T1, typename T2, typename T3, typename T4>
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class CallbackImpl<R,T1,T2,T3,T4,empty,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1, T2, T3, T4) = 0;
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};
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// define CallbackImpl for 5 params
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template <typename R, typename T1, typename T2, typename T3, typename T4, typename T5>
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class CallbackImpl<R,T1,T2,T3,T4,T5,empty> : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1, T2, T3, T4, T5) = 0;
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};
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// define CallbackImpl for 6 params
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template <typename R, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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class CallbackImpl : public CallbackImplBase {
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public:
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virtual ~CallbackImpl () {}
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virtual R operator() (T1, T2, T3, T4, T5, T6) = 0;
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};
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// an impl for Functors:
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template <typename T, typename R, typename T1, typename T2, typename T3, typename T4,typename T5, typename T6>
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class FunctorCallbackImpl : public CallbackImpl<R,T1,T2,T3,T4,T5,T6> {
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public:
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FunctorCallbackImpl (T const &functor)
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: m_functor (functor) {}
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virtual ~FunctorCallbackImpl () {}
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R operator() (void) {
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return m_functor ();
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}
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R operator() (T1 a1) {
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return m_functor (a1);
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}
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R operator() (T1 a1,T2 a2) {
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return m_functor (a1,a2);
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}
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R operator() (T1 a1,T2 a2,T3 a3) {
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return m_functor (a1,a2,a3);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4) {
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return m_functor (a1,a2,a3,a4);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4,T5 a5) {
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return m_functor (a1,a2,a3,a4,a5);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6) {
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return m_functor (a1,a2,a3,a4,a5,a6);
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}
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virtual bool IsEqual (Ptr<const CallbackImplBase> other) const {
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FunctorCallbackImpl<T,R,T1,T2,T3,T4,T5,T6> const *otherDerived =
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dynamic_cast<FunctorCallbackImpl<T,R,T1,T2,T3,T4,T5,T6> const *> (PeekPointer(other));
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if (otherDerived == 0)
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{
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return false;
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}
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else if (otherDerived->m_functor != m_functor)
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{
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return false;
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}
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return true;
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}
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private:
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T m_functor;
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};
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// an impl for pointer to member functions
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template <typename OBJ_PTR, typename MEM_PTR, typename R, typename T1, typename T2, typename T3, typename T4, typename T5, typename T6>
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class MemPtrCallbackImpl : public CallbackImpl<R,T1,T2,T3,T4,T5,T6> {
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public:
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MemPtrCallbackImpl (OBJ_PTR const&objPtr, MEM_PTR mem_ptr)
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: m_objPtr (objPtr), m_memPtr (mem_ptr) {}
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virtual ~MemPtrCallbackImpl () {}
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R operator() (void) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) ();
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}
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R operator() (T1 a1) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1);
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}
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R operator() (T1 a1,T2 a2) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1, a2);
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}
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R operator() (T1 a1,T2 a2,T3 a3) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1, a2, a3);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1, a2, a3, a4);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4,T5 a5) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1, a2, a3, a4, a5);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4,T5 a5,T6 a6) {
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return ((CallbackTraits<OBJ_PTR>::GetReference (m_objPtr)).*m_memPtr) (a1, a2, a3, a4, a5, a6);
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}
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virtual bool IsEqual (Ptr<const CallbackImplBase> other) const {
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MemPtrCallbackImpl<OBJ_PTR,MEM_PTR,R,T1,T2,T3,T4,T5,T6> const *otherDerived =
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dynamic_cast<MemPtrCallbackImpl<OBJ_PTR,MEM_PTR,R,T1,T2,T3,T4,T5,T6> const *> (PeekPointer (other));
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if (otherDerived == 0)
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{
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return false;
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}
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else if (otherDerived->m_objPtr != m_objPtr ||
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otherDerived->m_memPtr != m_memPtr)
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{
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return false;
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}
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return true;
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}
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private:
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OBJ_PTR const m_objPtr;
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MEM_PTR m_memPtr;
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};
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// an impl for Bound Functors:
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template <typename T, typename R, typename TX, typename T1, typename T2, typename T3, typename T4,typename T5>
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class BoundFunctorCallbackImpl : public CallbackImpl<R,T1,T2,T3,T4,T5,empty> {
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public:
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template <typename FUNCTOR, typename ARG>
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BoundFunctorCallbackImpl (FUNCTOR functor, ARG a)
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: m_functor (functor), m_a (a) {}
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virtual ~BoundFunctorCallbackImpl () {}
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R operator() (void) {
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return m_functor (m_a);
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}
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R operator() (T1 a1) {
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return m_functor (m_a,a1);
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}
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R operator() (T1 a1,T2 a2) {
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return m_functor (m_a,a1,a2);
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}
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R operator() (T1 a1,T2 a2,T3 a3) {
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return m_functor (m_a,a1,a2,a3);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4) {
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return m_functor (m_a,a1,a2,a3,a4);
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}
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R operator() (T1 a1,T2 a2,T3 a3,T4 a4,T5 a5) {
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return m_functor (m_a,a1,a2,a3,a4,a5);
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}
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virtual bool IsEqual (Ptr<const CallbackImplBase> other) const {
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BoundFunctorCallbackImpl<T,R,TX,T1,T2,T3,T4,T5> const *otherDerived =
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dynamic_cast<BoundFunctorCallbackImpl<T,R,TX,T1,T2,T3,T4,T5> const *> (PeekPointer (other));
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if (otherDerived == 0)
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{
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return false;
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}
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else if (otherDerived->m_functor != m_functor ||
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otherDerived->m_a != m_a)
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{
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return false;
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}
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return true;
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}
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private:
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T m_functor;
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typename TypeTraits<TX>::ReferencedType m_a;
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};
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class CallbackBase {
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public:
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CallbackBase () : m_impl () {}
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Ptr<CallbackImplBase> GetImpl (void) const {return m_impl;}
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protected:
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CallbackBase (Ptr<CallbackImplBase> impl) : m_impl (impl) {}
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Ptr<CallbackImplBase> m_impl;
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};
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/**
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* \brief Callback template class
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*
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* This class template implements the Functor Design Pattern.
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* It is used to declare the type of a Callback:
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* - the first non-optional template argument represents
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* the return type of the callback.
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* - the second optional template argument represents
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* the type of the first argument to the callback.
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* - the third optional template argument represents
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* the type of the second argument to the callback.
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* - the fourth optional template argument represents
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* the type of the third argument to the callback.
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* - the fifth optional template argument represents
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* the type of the fourth argument to the callback.
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* - the sixth optional template argument represents
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* the type of the fifth argument to the callback.
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*
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* Callback instances are built with the \ref MakeCallback
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* template functions. Callback instances have POD semantics:
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* the memory they allocate is managed automatically, without
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* user intervention which allows you to pass around Callback
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* instances by value.
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*
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* Sample code which shows how to use this class template
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* as well as the function templates \ref MakeCallback :
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* \include samples/main-callback.cc
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*/
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template<typename R,
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typename T1 = empty, typename T2 = empty,
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typename T3 = empty, typename T4 = empty,
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typename T5 = empty, typename T6 = empty>
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class Callback : public CallbackBase {
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public:
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Callback () {}
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// There are two dummy args below to ensure that this constructor is
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// always properly disambiguited by the c++ compiler
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template <typename FUNCTOR>
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Callback (FUNCTOR const &functor, bool, bool)
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: CallbackBase (Create<FunctorCallbackImpl<FUNCTOR,R,T1,T2,T3,T4,T5,T6> > (functor))
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{}
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template <typename OBJ_PTR, typename MEM_PTR>
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Callback (OBJ_PTR const &objPtr, MEM_PTR mem_ptr)
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: CallbackBase (Create<MemPtrCallbackImpl<OBJ_PTR,MEM_PTR,R,T1,T2,T3,T4,T5,T6> > (objPtr, mem_ptr))
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{}
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Callback (Ptr<CallbackImpl<R,T1,T2,T3,T4,T5,T6> > const &impl)
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: CallbackBase (impl)
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{}
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template <typename T>
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Callback<R,T2,T3,T4,T5,T6> Bind (T a) {
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Ptr<CallbackImpl<R,T2,T3,T4,T5,T6,empty> > impl =
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Ptr<CallbackImpl<R,T2,T3,T4,T5,T6,empty> > (
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new BoundFunctorCallbackImpl<
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Callback<R,T1,T2,T3,T4,T5,T6>,
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R,T1,T2,T3,T4,T5,T6> (*this, a), false);
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return Callback<R,T2,T3,T4,T5,T6> (impl);
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}
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bool IsNull (void) const {
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return (DoPeekImpl () == 0)?true:false;
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}
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void Nullify (void) {
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m_impl = 0;
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}
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R operator() (void) const {
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return (*(DoPeekImpl ())) ();
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}
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R operator() (T1 a1) const {
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return (*(DoPeekImpl ())) (a1);
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}
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R operator() (T1 a1, T2 a2) const {
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return (*(DoPeekImpl ())) (a1,a2);
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}
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R operator() (T1 a1, T2 a2, T3 a3) const {
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return (*(DoPeekImpl ())) (a1,a2,a3);
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}
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R operator() (T1 a1, T2 a2, T3 a3, T4 a4) const {
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return (*(DoPeekImpl ())) (a1,a2,a3,a4);
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}
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R operator() (T1 a1, T2 a2, T3 a3, T4 a4,T5 a5) const {
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return (*(DoPeekImpl ())) (a1,a2,a3,a4,a5);
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}
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R operator() (T1 a1, T2 a2, T3 a3, T4 a4,T5 a5,T6 a6) const {
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return (*(DoPeekImpl ())) (a1,a2,a3,a4,a5,a6);
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}
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bool IsEqual (const CallbackBase &other) const {
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return m_impl->IsEqual (other.GetImpl ());
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}
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bool CheckType (const CallbackBase & other) const {
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return DoCheckType (other.GetImpl ());
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}
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void Assign (const CallbackBase &other) {
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DoAssign (other.GetImpl ());
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}
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private:
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CallbackImpl<R,T1,T2,T3,T4,T5,T6> *DoPeekImpl (void) const {
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return static_cast<CallbackImpl<R,T1,T2,T3,T4,T5,T6> *> (PeekPointer (m_impl));
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}
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bool DoCheckType (Ptr<const CallbackImplBase> other) const {
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if (dynamic_cast<const CallbackImpl<R,T1,T2,T3,T4,T5,T6> *> (PeekPointer (other)) != 0)
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{
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return true;
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}
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else
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{
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return false;
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}
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}
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void DoAssign (Ptr<const CallbackImplBase> other) {
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if (!DoCheckType (other))
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{
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NS_FATAL_ERROR ("Incompatible types. (feed to \"c++filt -t\")"
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" got=" << typeid (*other).name () <<
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", expected=" << typeid (CallbackImpl<R,T1,T2,T3,T4,T5,T6> *).name ());
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}
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m_impl = const_cast<CallbackImplBase *> (PeekPointer (other));
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}
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};
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template <typename R, typename T1, typename T2,
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typename T3, typename T4,
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typename T5, typename T6>
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bool operator != (Callback<R,T1,T2,T3,T4,T5,T6> a, Callback<R,T1,T2,T3,T4,T5,T6> b)
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{
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return !a.IsEqual (b);
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}
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/**
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* \ingroup core
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* \defgroup MakeCallback MakeCallback
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*
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*/
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/**
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* \ingroup MakeCallback
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* \param memPtr class method member pointer
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* \param objPtr class instance
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* \return a wrapper Callback
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* Build Callbacks for class method members which takes no arguments
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* and potentially return a value.
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*/
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template <typename T, typename OBJ, typename R>
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Callback<R> MakeCallback (R (T::*memPtr) (void), OBJ objPtr) {
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return Callback<R> (objPtr, memPtr);
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}
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template <typename T, typename OBJ, typename R>
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Callback<R> MakeCallback (R (T::*mem_ptr) () const, OBJ objPtr) {
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return Callback<R> (objPtr, mem_ptr);
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}
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/**
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* \ingroup MakeCallback
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* \param mem_ptr class method member pointer
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* \param objPtr class instance
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|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes one argument
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1>
|
|
Callback<R,T1> MakeCallback (R (T::*mem_ptr) (T1), OBJ objPtr) {
|
|
return Callback<R,T1> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1>
|
|
Callback<R,T1> MakeCallback (R (T::*mem_ptr) (T1) const, OBJ objPtr) {
|
|
return Callback<R,T1> (objPtr, mem_ptr);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param mem_ptr class method member pointer
|
|
* \param objPtr class instance
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes two arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2>
|
|
Callback<R,T1,T2> MakeCallback (R (T::*mem_ptr) (T1,T2), OBJ objPtr) {
|
|
return Callback<R,T1,T2> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2>
|
|
Callback<R,T1,T2> MakeCallback (R (T::*mem_ptr) (T1,T2) const, OBJ objPtr) {
|
|
return Callback<R,T1,T2> (objPtr, mem_ptr);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param mem_ptr class method member pointer
|
|
* \param objPtr class instance
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes three arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1,typename T2, typename T3>
|
|
Callback<R,T1,T2,T3> MakeCallback (R (T::*mem_ptr) (T1,T2,T3), OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1,typename T2, typename T3>
|
|
Callback<R,T1,T2,T3> MakeCallback (R (T::*mem_ptr) (T1,T2,T3) const, OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3> (objPtr, mem_ptr);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param mem_ptr class method member pointer
|
|
* \param objPtr class instance
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes four arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4>
|
|
Callback<R,T1,T2,T3,T4> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4), OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4>
|
|
Callback<R,T1,T2,T3,T4> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4) const, OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4> (objPtr, mem_ptr);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param mem_ptr class method member pointer
|
|
* \param objPtr class instance
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4,typename T5>
|
|
Callback<R,T1,T2,T3,T4,T5> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4,T5), OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4,T5> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4,typename T5>
|
|
Callback<R,T1,T2,T3,T4,T5> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4,T5) const, OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4,T5> (objPtr, mem_ptr);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param mem_ptr class method member pointer
|
|
* \param objPtr class instance
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for class method members which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4,typename T5,typename T6>
|
|
Callback<R,T1,T2,T3,T4,T5,T6> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4,T5,T6), OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4,T5,T6> (objPtr, mem_ptr);
|
|
}
|
|
template <typename T, typename OBJ, typename R, typename T1, typename T2, typename T3, typename T4,typename T5, typename T6>
|
|
Callback<R,T1,T2,T3,T4,T5,T6> MakeCallback (R (T::*mem_ptr) (T1,T2,T3,T4,T5,T6) const, OBJ objPtr) {
|
|
return Callback<R,T1,T2,T3,T4,T5,T6> (objPtr, mem_ptr);
|
|
}
|
|
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes no arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R>
|
|
Callback<R> MakeCallback (R (*fnPtr) ()) {
|
|
return Callback<R> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes one argument
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1>
|
|
Callback<R,T1> MakeCallback (R (*fnPtr) (T1)) {
|
|
return Callback<R,T1> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes two arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2>
|
|
Callback<R,T1,T2> MakeCallback (R (*fnPtr) (T1,T2)) {
|
|
return Callback<R,T1,T2> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes three arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3>
|
|
Callback<R,T1,T2,T3> MakeCallback (R (*fnPtr) (T1,T2,T3)) {
|
|
return Callback<R,T1,T2,T3> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes four arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4>
|
|
Callback<R,T1,T2,T3,T4> MakeCallback (R (*fnPtr) (T1,T2,T3,T4)) {
|
|
return Callback<R,T1,T2,T3,T4> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4,typename T5>
|
|
Callback<R,T1,T2,T3,T4,T5> MakeCallback (R (*fnPtr) (T1,T2,T3,T4,T5)) {
|
|
return Callback<R,T1,T2,T3,T4,T5> (fnPtr, true, true);
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \param fnPtr function pointer
|
|
* \return a wrapper Callback
|
|
* Build Callbacks for functions which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4,typename T5,typename T6>
|
|
Callback<R,T1,T2,T3,T4,T5,T6> MakeCallback (R (*fnPtr) (T1,T2,T3,T4,T5,T6)) {
|
|
return Callback<R,T1,T2,T3,T4,T5,T6> (fnPtr, true, true);
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes no arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R>
|
|
Callback<R> MakeNullCallback (void) {
|
|
return Callback<R> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes one argument
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1>
|
|
Callback<R,T1> MakeNullCallback (void) {
|
|
return Callback<R,T1> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes two arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2>
|
|
Callback<R,T1,T2> MakeNullCallback (void) {
|
|
return Callback<R,T1,T2> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes three arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3>
|
|
Callback<R,T1,T2,T3> MakeNullCallback (void) {
|
|
return Callback<R,T1,T2,T3> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes four arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4>
|
|
Callback<R,T1,T2,T3,T4> MakeNullCallback (void) {
|
|
return Callback<R,T1,T2,T3,T4> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4,typename T5>
|
|
Callback<R,T1,T2,T3,T4,T5> MakeNullCallback (void) {
|
|
return Callback<R,T1,T2,T3,T4,T5> ();
|
|
}
|
|
/**
|
|
* \ingroup MakeCallback
|
|
* \overload Callback<R> MakeNullCallback (void)
|
|
* \return a wrapper Callback
|
|
* Build a null callback which takes five arguments
|
|
* and potentially return a value.
|
|
*/
|
|
template <typename R, typename T1, typename T2,typename T3,typename T4,typename T5,typename T6>
|
|
Callback<R,T1,T2,T3,T4,T5,T6> MakeNullCallback (void) {
|
|
return Callback<R,T1,T2,T3,T4,T5,T6> ();
|
|
}
|
|
|
|
|
|
/*
|
|
* The following is experimental code. It works but we have
|
|
* not yet determined whether or not it is really useful and whether
|
|
* or not we really want to use it.
|
|
*/
|
|
|
|
template <typename R, typename TX, typename ARG>
|
|
Callback<R> MakeBoundCallback (R (*fnPtr) (TX), ARG a) {
|
|
Ptr<CallbackImpl<R,empty,empty,empty,empty,empty,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX),R,TX,empty,empty,empty,empty,empty> >(fnPtr, a);
|
|
return Callback<R> (impl);
|
|
}
|
|
|
|
template <typename R, typename TX, typename ARG,
|
|
typename T1>
|
|
Callback<R,T1> MakeBoundCallback (R (*fnPtr) (TX,T1), ARG a) {
|
|
Ptr<CallbackImpl<R,T1,empty,empty,empty,empty,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX,T1),R,TX,T1,empty,empty,empty,empty> > (fnPtr, a);
|
|
return Callback<R,T1> (impl);
|
|
}
|
|
template <typename R, typename TX, typename ARG,
|
|
typename T1, typename T2>
|
|
Callback<R,T1,T2> MakeBoundCallback (R (*fnPtr) (TX,T1,T2), ARG a) {
|
|
Ptr<CallbackImpl<R,T1,T2,empty,empty,empty,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX,T1,T2),R,TX,T1,T2,empty,empty,empty> > (fnPtr, a);
|
|
return Callback<R,T1,T2> (impl);
|
|
}
|
|
template <typename R, typename TX, typename ARG,
|
|
typename T1, typename T2,typename T3>
|
|
Callback<R,T1,T2,T3> MakeBoundCallback (R (*fnPtr) (TX,T1,T2,T3), ARG a) {
|
|
Ptr<CallbackImpl<R,T1,T2,T3,empty,empty,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX,T1,T2,T3),R,TX,T1,T2,T3,empty,empty> > (fnPtr, a);
|
|
return Callback<R,T1,T2,T3> (impl);
|
|
}
|
|
template <typename R, typename TX, typename ARG,
|
|
typename T1, typename T2,typename T3,typename T4>
|
|
Callback<R,T1,T2,T3,T4> MakeBoundCallback (R (*fnPtr) (TX,T1,T2,T3,T4), ARG a) {
|
|
Ptr<CallbackImpl<R,T1,T2,T3,T4,empty,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX,T1,T2,T3,T4),R,TX,T1,T2,T3,T4,empty> > (fnPtr, a);
|
|
return Callback<R,T1,T2,T3,T4> (impl);
|
|
}
|
|
template <typename R, typename TX, typename ARG,
|
|
typename T1, typename T2,typename T3,typename T4,typename T5>
|
|
Callback<R,T1,T2,T3,T4,T5> MakeBoundCallback (R (*fnPtr) (TX,T1,T2,T3,T4,T5), ARG a) {
|
|
Ptr<CallbackImpl<R,T1,T2,T3,T4,T5,empty> > impl =
|
|
Create<BoundFunctorCallbackImpl<R (*) (TX,T1,T2,T3,T4,T5),R,TX,T1,T2,T3,T4,T5> > (fnPtr, a);
|
|
return Callback<R,T1,T2,T3,T4,T5> (impl);
|
|
}
|
|
|
|
|
|
}; // namespace ns3
|
|
|
|
|
|
#endif /* CALLBACK_H */
|