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WProgress.cpp
1 //---------------------------------------------------------------------------
2 //
3 // Project: OpenWalnut ( http://www.openwalnut.org )
4 //
5 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS
6 // For more information see http://www.openwalnut.org/copying
7 //
8 // This file is part of OpenWalnut.
9 //
10 // OpenWalnut is free software: you can redistribute it and/or modify
11 // it under the terms of the GNU Lesser General Public License as published by
12 // the Free Software Foundation, either version 3 of the License, or
13 // (at your option) any later version.
14 //
15 // OpenWalnut is distributed in the hope that it will be useful,
16 // but WITHOUT ANY WARRANTY; without even the implied warranty of
17 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18 // GNU Lesser General Public License for more details.
19 //
20 // You should have received a copy of the GNU Lesser General Public License
21 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>.
22 //
23 //---------------------------------------------------------------------------
24 
25 #include <algorithm>
26 #include <cmath>
27 #include <string>
28 
29 #include "../common/WCondition.h"
30 
31 #include "WProgress.h"
32 
33 WProgress::WProgress( std::string name, unsigned int count )
34  : m_name( name ),
35  m_max( count - 1 ),
36  m_count( 0 ),
37  m_pending( true ),
38  m_determined( true )
39 {
40  if( count == 0 )
41  {
42  m_max = 0;
43  m_determined = false;
44  }
45 }
46 
48 {
49  // clean up
50 }
51 
53 {
54  // This updates the internal state. But as this class updates its state directly -> do nothing here
55 }
56 
58 {
59  m_pending = false;
60  m_count = m_max;
61 }
62 
64 {
65  return *this + 1;
66 }
67 
69 {
70  return isDetermined() ? 100.0 * ( static_cast< float >( m_count ) / static_cast< float >( m_max ) ) : 0.0;
71 }
72 
74 {
75  return m_pending;
76 }
77 
78 std::string WProgress::getName() const
79 {
80  return m_name;
81 }
82 
84 {
85  return m_determined;
86 }
87 
88 WProgress& WProgress::operator+( unsigned int steps )
89 {
90  if( isDetermined() )
91  {
92  m_count = std::min( m_max, m_count + steps );
93  }
94 
95  return *this;
96 }