DGtal  0.9.2
CountedPtrOrPtr.ih
1 /**
2  * This program is free software: you can redistribute it and/or modify
3  * it under the terms of the GNU Lesser General Public License as
4  * published by the Free Software Foundation, either version 3 of the
5  * License, or (at your option) any later version.
6  *
7  * This program is distributed in the hope that it will be useful,
8  * but WITHOUT ANY WARRANTY; without even the implied warranty of
9  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
10  * GNU General Public License for more details.
11  *
12  * You should have received a copy of the GNU General Public License
13  * along with this program. If not, see <http://www.gnu.org/licenses/>.
14  *
15  **/
16 
17 /**
18  * @file CountedPtrOrPtr.ih
19  * @author Jacques-Olivier Lachaud (\c jacques-olivier.lachaud@univ-savoie.fr )
20  * Laboratory of Mathematics (CNRS, UMR 5807), University of Savoie, France
21  *
22  * @date 2013/11/6
23  *
24  * Implementation of inline methods defined in CountedPtrOrPtr.h
25  *
26  * This file is part of the DGtal library.
27  */
28 
29 
30 //////////////////////////////////////////////////////////////////////////////
31 #include <cstdlib>
32 //////////////////////////////////////////////////////////////////////////////
33 
34 ///////////////////////////////////////////////////////////////////////////////
35 // IMPLEMENTATION of inline methods.
36 ///////////////////////////////////////////////////////////////////////////////
37 
38 ///////////////////////////////////////////////////////////////////////////////
39 // ----------------------- Standard services ------------------------------
40 
41 
42 ///////////////////////////////////////////////////////////////////////////////
43 // Interface - public :
44 
45 /**
46  * Writes/Displays the object on an output stream.
47  * @param out the output stream where the object is written.
48  */
49 template <typename T>
50 inline
51 void
52 DGtal::CountedPtrOrPtr<T>::selfDisplay ( std::ostream & out ) const
53 {
54  if (isValid()) {
55  if ( myIsCountedPtr )
56  out << "[CountedPtrOrPtr nbcounts =" << counterPtr()->count << "]";
57  else
58  out << "[CountedPtrOrPtr is ptr at " << ptr() << "]";
59  }
60  else
61  out << "[CountedPtrOrPtr to NULL]";
62 }
63 
64 /**
65  * Checks the validity/consistency of the object.
66  * @return 'true' if the object is valid, 'false' otherwise.
67  */
68 template <typename T>
69 inline
70 bool
71 DGtal::CountedPtrOrPtr<T>::isValid() const
72 {
73  return myAny != 0;
74 }
75 
76 
77 
78 ///////////////////////////////////////////////////////////////////////////////
79 // Implementation of inline functions //
80 
81 template <typename T>
82 inline
83 std::ostream&
84 DGtal::operator<< ( std::ostream & out,
85  const CountedPtrOrPtr<T> & object )
86 {
87  object.selfDisplay( out );
88  return out;
89 }
90 
91 // //
92 ///////////////////////////////////////////////////////////////////////////////
93 
94