aboutsummaryrefslogtreecommitdiffstats
path: root/samples/c++/sample1.cpp
blob: 7344838bfd501c04bfdf865fd504bcf49b3abab5 (plain)
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
/*************************************************************************
 ** Sample1
 ** Load sample.cfg and increment the "X" setting
 *************************************************************************/

#include <iostream>
#include <libconfig.h++>

using namespace libconfig;
using namespace std;

/***************************************************************************/

int main()
{
  Config cfg;

  try
  {
    /* Load the configuration.. */
    cout << "loading [sample.cfg]..";
    cfg.readFile("sample.cfg");
    cout << "ok" << endl;

    /* Increment "x" */
    cout << "increment \"x\"..";
    Setting& s = cfg.lookup("x");
    long x = s;
    s = ++x;
    cout << "ok (x=" << x << ")" << endl;

    // Save the configuration
    cout << "saving [sample.cfg]..";
    cfg.writeFile("sample.cfg");
    cout << "ok" << endl;

    cout << "Done!" << endl;
  }
  catch (...)
  {
    cout << "failed" << endl;
  }

  return 0;
}

/***************************************************************************/