Show Callback.h syntax highlighted
/*
* Copyright (C) 2005,2006,2007 MaNGOS <http://www.mangosproject.org/>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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
*/
#ifndef MANGOS_CALLBACK_H
#define MANGOS_CALLBACK_H
/// ------------ BASE CLASSES ------------
namespace MaNGOS
{
template < class Class, typename ParamType1 = void, typename ParamType2 = void, typename ParamType3 = void, typename ParamType4 = void >
class _Callback
{
protected:
typedef void (Class::*Method)(ParamType1, ParamType2, ParamType3, ParamType4);
Class *m_object;
Method m_method;
ParamType1 m_param1;
ParamType2 m_param2;
ParamType3 m_param3;
ParamType4 m_param4;
void _Execute() { (m_object->*m_method)(m_param1, m_param2, m_param3, m_param4); }
public:
_Callback(Class *object, Method method, ParamType1 param1, ParamType2 param2, ParamType3 param3, ParamType4 param4)
: m_object(object), m_method(method), m_param1(param1), m_param2(param2), m_param3(param3), m_param4(param4) {}
_Callback(_Callback < Class, ParamType1, ParamType2, ParamType3, ParamType4> const& cb)
: m_object(cb.object), m_method(cb.m_method), m_param1(cb.m_param1), m_param2(cb.m_param2), m_param3(cb.m_param3), m_param4(cb.m_param4) {}
};
template < class Class, typename ParamType1, typename ParamType2, typename ParamType3 >
class _Callback < Class, ParamType1, ParamType2, ParamType3 >
{
protected:
typedef void (Class::*Method)(ParamType1, ParamType2, ParamType3);
Class *m_object;
Method m_method;
ParamType1 m_param1;
ParamType2 m_param2;
ParamType3 m_param3;
void _Execute() { (m_object->*m_method)(m_param1, m_param2, m_param3); }
public:
_Callback(Class *object, Method method, ParamType1 param1, ParamType2 param2, ParamType3 param3)
: m_object(object), m_method(method), m_param1(param1), m_param2(param2) {}
_Callback(_Callback < Class, ParamType1, ParamType2, ParamType3 > const& cb)
: m_object(cb.object), m_method(cb.m_method), m_param1(cb.m_param1), m_param2(cb.m_param2), m_param3(cb.m_param3) {}
};
template < class Class, typename ParamType1, typename ParamType2 >
class _Callback < Class, ParamType1, ParamType2 >
{
protected:
typedef void (Class::*Method)(ParamType1, ParamType2);
Class *m_object;
Method m_method;
ParamType1 m_param1;
ParamType2 m_param2;
void _Execute() { (m_object->*m_method)(m_param1, m_param2); }
public:
_Callback(Class *object, Method method, ParamType1 param1, ParamType2 param2)
: m_object(object), m_method(method), m_param1(param1), m_param2(param2) {}
_Callback(_Callback < Class, ParamType1, ParamType2 > const& cb)
: m_object(cb.m_object), m_method(cb.m_method), m_param1(cb.m_param1), m_param2(cb.m_param2) {}
};
template < class Class, typename ParamType1 >
class _Callback < Class, ParamType1 >
{
protected:
typedef void (Class::*Method)(ParamType1);
Class *m_object;
Method m_method;
ParamType1 m_param1;
void _Execute() { (m_object->*m_method)(m_param1); }
public:
_Callback(Class *object, Method method, ParamType1 param1)
: m_object(object), m_method(method), m_param1(param1) {}
_Callback(_Callback < Class, ParamType1 > const& cb)
: m_object(cb.m_object), m_method(cb.m_method), m_param1(cb.m_param1) {}
};
template < class Class >
class _Callback < Class >
{
protected:
typedef void (Class::*Method)();
Class *m_object;
Method m_method;
void _Execute() { (m_object->*m_method)(); }
public:
_Callback(Class *object, Method method)
: m_object(object), m_method(method) {}
_Callback(_Callback < Class > const& cb)
: m_object(cb.m_object), m_method(cb.m_method) {}
};
}
/// --------- GENERIC CALLBACKS ----------
namespace MaNGOS
{
class ICallback
{
public:
virtual void Execute() = 0;
virtual ~ICallback() {}
};
template < class CB >
class _ICallback : public CB, public ICallback
{
public:
_ICallback(CB const& cb) : CB(cb) {}
void Execute() { CB::_Execute(); }
};
template < class Class, typename ParamType1 = void, typename ParamType2 = void, typename ParamType3 = void, typename ParamType4 = void >
class Callback :
public _ICallback< _Callback < Class, ParamType1, ParamType2, ParamType3, ParamType4 > >
{
private:
typedef _Callback < Class, ParamType1, ParamType2, ParamType3, ParamType4 > C4;
public:
Callback(Class *object, typename C4::Method method, ParamType1 param1, ParamType2 param2, ParamType3 param3, ParamType4 param4)
: _ICallback< C4 >(C4(object, method, param1, param2, param3, param4)) {}
};
template < class Class, typename ParamType1, typename ParamType2, typename ParamType3 >
class Callback < Class, ParamType1, ParamType2, ParamType3 > :
public _ICallback< _Callback < Class, ParamType1, ParamType2, ParamType3 > >
{
private:
typedef _Callback < Class, ParamType1, ParamType2, ParamType3 > C3;
public:
Callback(Class *object, typename C3::Method method, ParamType1 param1, ParamType2 param2, ParamType3 param3)
: _ICallback< C3 >(C3(object, method, param1, param2, param3)) {}
};
template < class Class, typename ParamType1, typename ParamType2 >
class Callback < Class, ParamType1, ParamType2 > :
public _ICallback< _Callback < Class, ParamType1, ParamType2 > >
{
private:
typedef _Callback < Class, ParamType1, ParamType2 > C2;
public:
Callback(Class *object, typename C2::Method method, ParamType1 param1, ParamType2 param2)
: _ICallback< C2 >(C2(object, method, param1, param2)) {}
};
template < class Class, typename ParamType1 >
class Callback < Class, ParamType1 > :
public _ICallback< _Callback < Class, ParamType1 > >
{
private:
typedef _Callback < Class, ParamType1 > C1;
public:
Callback(Class *object, typename C1::Method method, ParamType1 param1)
: _ICallback< C1 >(C1(object, method, param1)) {}
};
template < class Class >
class Callback < Class > : public _ICallback< _Callback < Class > >
{
private:
typedef _Callback < Class > C0;
public:
Callback(Class *object, typename C0::Method method)
: _ICallback< C0 >(C0(object, method)) {}
};
}
/// ---------- QUERY CALLBACKS -----------
class QueryResult;
namespace MaNGOS
{
class IQueryCallback
{
public:
virtual void Execute() = 0;
virtual ~IQueryCallback() {}
virtual void SetResult(QueryResult* result) = 0;
virtual QueryResult* GetResult() = 0;
};
template < class CB >
class _IQueryCallback : public CB, public IQueryCallback
{
public:
_IQueryCallback(CB const& cb) : CB(cb) {}
void Execute() { CB::_Execute(); }
void SetResult(QueryResult* result) { CB::m_param1 = result; }
QueryResult* GetResult() { return CB::m_param1; }
};
template < class Class, typename ParamType1 = void, typename ParamType2 = void, typename ParamType3 = void >
class QueryCallback :
public _IQueryCallback< _Callback < Class, QueryResult*, ParamType1, ParamType2, ParamType3 > >
{
private:
typedef _Callback < Class, QueryResult*, ParamType1, ParamType2, ParamType3 > QC3;
public:
QueryCallback(Class *object, typename QC3::Method method, QueryResult* result, ParamType1 param1, ParamType2 param2, ParamType3 param3)
: _IQueryCallback< QC3 >(QC3(object, method, result, param1, param2, param3)) {}
};
template < class Class, typename ParamType1, typename ParamType2 >
class QueryCallback < Class, ParamType1, ParamType2 > :
public _IQueryCallback< _Callback < Class, QueryResult*, ParamType1, ParamType2 > >
{
private:
typedef _Callback < Class, QueryResult*, ParamType1, ParamType2 > QC2;
public:
QueryCallback(Class *object, typename QC2::Method method, QueryResult* result, ParamType1 param1, ParamType2 param2)
: _IQueryCallback< QC2 >(QC2(object, method, result, param1, param2)) {}
};
template < class Class, typename ParamType1 >
class QueryCallback < Class, ParamType1 > :
public _IQueryCallback< _Callback < Class, QueryResult*, ParamType1 > >
{
private:
typedef _Callback < Class, QueryResult*, ParamType1 > QC1;
public:
QueryCallback(Class *object, typename QC1::Method method, QueryResult* result, ParamType1 param1)
: _IQueryCallback< QC1 >(QC1(object, method, result, param1)) {}
};
template < class Class >
class QueryCallback < Class > : public _IQueryCallback< _Callback < Class, QueryResult* > >
{
private:
typedef _Callback < Class, QueryResult* > QC0;
public:
QueryCallback(Class *object, typename QC0::Method method, QueryResult* result)
: _IQueryCallback< QC0 >(QC0(object, method, result)) {}
};
}
#endif
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