ConstCirculatorI.H
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24 \*---------------------------------------------------------------------------*/
25 
26 // * * * * * * * * * * * * * * * * Constructors * * * * * * * * * * * * * * //
27 
28 template<class ContainerType>
30 :
32  begin_(0),
33  end_(0),
34  iter_(0),
35  fulcrum_(0)
36 {}
37 
38 
39 template<class ContainerType>
41 (
42  const ContainerType& container
43 )
44 :
46  begin_(container.begin()),
47  end_(container.end()),
48  iter_(begin_),
50 {}
51 
52 
53 template<class ContainerType>
55 (
56  const const_iterator& begin,
57  const const_iterator& end
58 )
59 :
61  begin_(begin),
62  end_(end),
63  iter_(begin),
64  fulcrum_(begin)
65 {}
66 
67 
68 template<class ContainerType>
70 (
72 )
73 :
75  begin_(rhs.begin_),
76  end_(rhs.end_),
77  iter_(rhs.iter_),
78  fulcrum_(rhs.fulcrum_)
79 {}
80 
81 
82 // * * * * * * * * * * * * * * * * Destructor * * * * * * * * * * * * * * * //
83 
84 template<class ContainerType>
86 {}
87 
88 
89 // * * * * * * * * * * * * * * * Member Functions * * * * * * * * * * * * * //
90 
91 template<class ContainerType>
94 {
95  return end_ - begin_;
96 }
97 
98 
99 template<class ContainerType>
101 (
102  const CirculatorBase::direction dir
103 )
104 {
106  {
107  operator++();
108  }
110  {
111  operator--();
112  }
113 
114  return !(iter_ == fulcrum_);
115 }
116 
117 
118 template<class ContainerType>
120 {
121  fulcrum_ = iter_;
122 }
123 
124 
125 template<class ContainerType>
127 {
128  iter_ = fulcrum_;
129 }
130 
131 
132 template<class ContainerType>
135 {
136  return (iter_ - fulcrum_);
137 }
138 
139 
140 template<class ContainerType>
143 {
144  if (iter_ == end_ - 1)
145  {
146  return *begin_;
147  }
148 
149  return *(iter_ + 1);
150 }
151 
152 
153 template<class ContainerType>
156 {
157  if (iter_ == begin_)
158  {
159  return *(end_ - 1);
160  }
161 
162  return *(iter_ - 1);
163 }
164 
165 
166 // * * * * * * * * * * * * * * * Member Operators * * * * * * * * * * * * * //
167 
168 template<class ContainerType>
169 void Foam::ConstCirculator<ContainerType>::operator=
170 (
172 )
173 {
174  // Check for assignment to self
175  if (this == &rhs)
176  {
178  << "Attempted assignment to self"
179  << abort(FatalError);
180  }
181 
182  begin_ = rhs.begin_;
183  end_ = rhs.end_;
184  iter_ = rhs.iter_;
185  fulcrum_ = rhs.fulcrum_;
186 }
187 
188 
189 template<class ContainerType>
192 {
193  ++iter_;
194  if (iter_ == end_)
195  {
196  iter_ = begin_;
197  }
198 
199  return *this;
200 }
201 
202 
203 template<class ContainerType>
206 {
208  ++(*this);
209  return tmp;
210 }
211 
212 
213 template<class ContainerType>
216 {
217  if (iter_ == begin_)
218  {
219  iter_ = end_;
220  }
221  --iter_;
222 
223  return *this;
224 }
225 
226 
227 template<class ContainerType>
230 {
232  --(*this);
233  return tmp;
234 }
235 
236 
237 template<class ContainerType>
238 bool Foam::ConstCirculator<ContainerType>::operator==
239 (
241 ) const
242 {
243  return
244  (
245  begin_ == c.begin_
246  && end_ == c.end_
247  && iter_ == c.iter_
248  && fulcrum_ == c.fulcrum_
249  );
250 }
251 
252 
253 template<class ContainerType>
254 bool Foam::ConstCirculator<ContainerType>::operator!=
255 (
257 ) const
258 {
259  return !(*this == c);
260 }
261 
262 
263 template<class ContainerType>
266 {
267  return *iter_;
268 }
269 
270 
271 template<class ContainerType>
274 {
275  return operator*();
276 }
277 
278 
279 template<class ContainerType>
281 Foam::ConstCirculator<ContainerType>::operator-
282 (
284 ) const
285 {
286  return iter_ - c.iter_;
287 }
288 
289 
290 // ************************************************************************* //
ContainerType::const_iterator end_
Iterator pointing to the end of the container.
error FatalError
#define FatalErrorInFunction
Report an error message using Foam::FatalError.
Definition: error.H:323
ContainerType::difference_type difference_type
The type that can represent the difference between any two.
ContainerType::size_type size_type
The type that can represent the size of ContainerType.
direction
Direction type enumeration.
void setIteratorToFulcrum()
Set the iterator to the current position of the fulcrum.
CirculatorBase()
Construct null.
const_reference prev() const
Dereference the previous iterator and return.
~ConstCirculator()
Destructor.
const dimensionedScalar c
Speed of light in a vacuum.
ConstCirculator< ContainerType > & operator++()
Prefix increment. Increments the iterator.
ContainerType::const_iterator iter_
Iterator.
size_type size() const
Return the range of the iterator.
errorManip< error > abort(error &err)
Definition: errorManip.H:131
ConstCirculator()
Construct null.
ContainerType::const_iterator const_iterator
Random access iterator for traversing ContainerType.
ContainerType::const_iterator fulcrum_
Iterator holding the location of the fulcrum (start and end) of.
ContainerType::const_iterator begin_
Iterator pointing to the beginning of the container.
ConstCirculator< ContainerType > & operator--()
Prefix decrement. Decrements the iterator.
difference_type nRotations() const
Return the distance between the iterator and the fulcrum. This is.
Base class for circulators.
bool circulate(const CirculatorBase::direction dir=CirculatorBase::direction::none)
Circulate around the list in the given direction.
const_reference operator*() const
Dereference the iterator and return.
const_reference operator()() const
Dereference the iterator and return.
const_reference next() const
Dereference the next iterator and return.
ContainerType::const_reference const_reference
Type that can be used for storing into.
Walks over a container as if it were circular. The container must have the following members defined:...
A class for managing temporary objects.
Definition: PtrList.H:53
void setFulcrumToIterator()
Set the fulcrum to the current position of the iterator.