1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
|
//======================================================================
// Copyright (C) 2002 Daniel Heck
//
// 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.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//======================================================================
#ifndef ECL_CALLBACK_HH
#define ECL_CALLBACK_HH
namespace ecl
{
class Callback {
public:
virtual ~Callback() {}
virtual void operator() () = 0;
};
template <class T>
class MethodCallback : public Callback {
public:
typedef void (T::* Func)();
MethodCallback(T* o, Func f) : obj(o), func(f) {}
void operator() () { (obj->*func)(); }
private:
T *obj;
Func func;
};
class FunctionCallback : public Callback {
public:
typedef void (*Func)();
FunctionCallback(Func f) : func(f) {}
void operator() () { func(); }
private:
Func func;
};
}
namespace ecl
{
inline FunctionCallback *
make_cb(void (*func)())
{
return new FunctionCallback(func);
}
template <class T> Callback *
make_cb(T *o, void (T::* f)())
{
return new MethodCallback<T>(o, f);
}
}
#endif
|
