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
|
/*
* Copyright © 2013 Canonical Ltd.
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License version 2 or 3,
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* Authored by: Alan Griffiths <alan@octopull.co.uk>
*/
#ifndef MIR_SHARED_LIBRARY_H_
#define MIR_SHARED_LIBRARY_H_
#include <string>
namespace wlcs
{
class SharedLibrary
{
public:
explicit SharedLibrary(char const* library_name);
explicit SharedLibrary(std::string const& library_name);
~SharedLibrary() noexcept;
template<typename FunctionPtr>
FunctionPtr load_function(char const* function_name) const
{
FunctionPtr result{};
(void*&)result = load_symbol(function_name);
return result;
}
template<typename FunctionPtr>
FunctionPtr load_function(std::string const& function_name) const
{
return load_function<FunctionPtr>(function_name.c_str());
}
private:
void* const so;
void* load_symbol(char const* function_name) const;
SharedLibrary(SharedLibrary const&) = delete;
SharedLibrary& operator=(SharedLibrary const&) = delete;
};
}
#endif /* MIR_SHARED_LIBRARY_H_ */
|
