wanproxy/event/object_callback.h
2015-08-31 14:01:44 +02:00

107 lines
3.3 KiB
C++

/*
* Copyright (c) 2008-2011 Juli Mallett. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef EVENT_OBJECT_CALLBACK_H
#define EVENT_OBJECT_CALLBACK_H
#include <event/callback.h>
////////////////////////////////////////////////////////////////////////////////
// //
// File: object_callback.h //
// Description: template classes for event callback handling //
// Project: WANProxy XTech //
// Adapted by: Andreu Vidal Bramfeld-Software //
// Last modified: 2015-04-01 //
// //
////////////////////////////////////////////////////////////////////////////////
template<class C>
class ObjectMethodCallback : public Callback {
public:
typedef void (C::*const method_t)(void);
private:
C *const obj_;
method_t method_;
public:
template<typename T>
ObjectMethodCallback(C *obj, T method)
: Callback(),
obj_(obj),
method_(method)
{ }
~ObjectMethodCallback()
{ }
virtual void execute ()
{
(obj_->*method_)();
}
};
template<class C, typename A>
class ObjectMethodArgCallback : public Callback {
public:
typedef void (C::*const method_t)(A);
private:
C *const obj_;
method_t method_;
A arg_;
public:
template<typename Tm>
ObjectMethodArgCallback(C *obj, Tm method, A arg)
: Callback(),
obj_(obj),
method_(method),
arg_(arg)
{ }
~ObjectMethodArgCallback()
{ }
virtual void execute ()
{
(obj_->*method_)(arg_);
}
};
template<class C>
Callback *callback(C *obj, typename ObjectMethodCallback<C>::method_t method)
{
Callback *cb = new ObjectMethodCallback<C>(obj, method);
return (cb);
}
template<class C, typename A>
Callback *callback(C *obj, void (C::*const method)(A), A arg)
{
Callback *cb = new ObjectMethodArgCallback<C, A>(obj, method, arg);
return (cb);
}
#endif /* !EVENT_OBJECT_CALLBACK_H */