libzypp  12.16.5
ParserProgress.h
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9 
10 #ifndef ZYPP_ParserProgress_H
11 #define ZYPP_ParserProgress_H
12 
13 #include "boost/shared_ptr.hpp"
14 #include "boost/function.hpp"
15 
17 namespace zypp
18 {
19 namespace parser
20 {
21 
22  class ParserProgress
23  {
24  public:
25  typedef boost::shared_ptr<ParserProgress> Ptr;
26 
33  ParserProgress( boost::function<void (long int)> fnc, long int total_steps = 100 )
34  : _fnc(fnc), _previous_progress(0), _total_steps(total_steps)
35  {
36 
37  };
38 
39  ~ParserProgress()
40  {};
41 
48  void progress(long int p)
49  {
50  //std::cout << "real " << p << std::endl;
51  if ( _total_steps != 100 )
52  {
53  long int current_done = p;
54  p = (long int)(((double) current_done/(double) _total_steps)*100);
55  }
56 
57  if (_fnc && ( p != _previous_progress ))
58  {
59  _previous_progress = p;
60  _fnc(p);
61  }
62  }
63 
64  void setTotalSteps( long int total_steps )
65  {
66  _total_steps = total_steps;
67  }
68 
72  void finish()
73  {
74  int p = 100;
75  if (_fnc && ( p != _previous_progress ))
76  {
77  _previous_progress = p;
78  _fnc(p);
79  }
80  }
81 
85  void start()
86  {
87  int p = 0;
88  if (_fnc && ( p != _previous_progress ))
89  {
90  _previous_progress = p;
91  _fnc(p);
92  }
93  }
94 
95  private:
96  boost::function<void (long int)> _fnc;
97  long int _previous_progress;
98  long int _total_steps;
99  };
100 
101 } // namespace parser
102 } // namespace zypp
104 #endif // ZYPP_ParserProgress_H