1 // Copyright (C) 2007-2010 CEA/DEN, EDF R&D, OPEN CASCADE
3 // Copyright (C) 2003-2007 OPEN CASCADE, EADS/CCR, LIP6, CEA/DEN,
4 // CEDRAT, EDF R&D, LEG, PRINCIPIA R&D, BUREAU VERITAS
6 // This library is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU Lesser General Public
8 // License as published by the Free Software Foundation; either
9 // version 2.1 of the License.
11 // This library is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 // Lesser General Public License for more details.
16 // You should have received a copy of the GNU Lesser General Public
17 // License along with this library; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 // See http://www.salome-platform.org/ or email : webmaster.salome@opencascade.com
23 // SMESH SMDS : implementaion of Salome mesh data structure
24 // File : SMDS_SetIterator.hxx
25 // Created : Mon Feb 27 16:57:43 2006
26 // Author : Edward AGAPOV (eap)
28 #ifndef SMDS_SetIterator_HeaderFile
29 #define SMDS_SetIterator_HeaderFile
31 #include "SMDS_Iterator.hxx"
33 ///////////////////////////////////////////////////////////////////////////////
34 /// Accessors to value pointed by iterator
35 ///////////////////////////////////////////////////////////////////////////////
39 template<typename VALUE,typename VALUE_SET_ITERATOR>
40 struct SimpleAccessor {
41 static VALUE value(VALUE_SET_ITERATOR it) { return (VALUE) *it; }
44 template<typename VALUE,typename VALUE_SET_ITERATOR>
46 static VALUE value(VALUE_SET_ITERATOR it) { return (VALUE) it->first; }
49 template<typename VALUE,typename VALUE_SET_ITERATOR>
50 struct ValueAccessor {
51 static VALUE value(VALUE_SET_ITERATOR it) { return (VALUE) it->second; }
55 ///////////////////////////////////////////////////////////////////////////////
56 /// SMDS_Iterator iterating over abstract set of values like STL containers
58 /// BE CAREFUL: iterator pointed value is static_cast'ed to VALUE
60 ///////////////////////////////////////////////////////////////////////////////
62 template<typename VALUE,
63 typename VALUE_SET_ITERATOR,
64 typename ACCESOR=SMDS::SimpleAccessor<VALUE,VALUE_SET_ITERATOR> >
65 class SMDS_SetIterator : public SMDS_Iterator<VALUE>
68 VALUE_SET_ITERATOR _beg, _end;
70 SMDS_SetIterator(const VALUE_SET_ITERATOR & begin,
71 const VALUE_SET_ITERATOR & end)
72 { init ( begin, end ); }
75 virtual void init(const VALUE_SET_ITERATOR & begin,
76 const VALUE_SET_ITERATOR & end)
77 { _beg = begin; _end = end; }
79 /// Return true if and only if there are other object in this iterator
80 virtual bool more() { return _beg != _end; }
82 /// Return the current object and step to the next one
83 virtual VALUE next() { return ACCESOR::value( _beg++ ); }
86 ///////////////////////////////////////////////////////////////////////////////
88 ///////////////////////////////////////////////////////////////////////////////
92 * \brief iterator on values of a map
95 struct SMDS_mapIterator : public SMDS_SetIterator< typename M::mapped_type, typename M::const_iterator,
96 SMDS::ValueAccessor<typename M::mapped_type,
97 typename M::const_iterator> > {
98 typedef SMDS_SetIterator< typename M::mapped_type, typename M::const_iterator,
99 SMDS::ValueAccessor<typename M::mapped_type,
100 typename M::const_iterator> > parent_type;
101 SMDS_mapIterator(const M& m):parent_type(m.begin(),m.end()) {}
104 * \brief reverse iterator on values of a map
107 struct SMDS_mapReverseIterator : public SMDS_SetIterator< typename M::mapped_type,
108 typename M::const_reverse_iterator,
109 SMDS::ValueAccessor<typename M::mapped_type,
110 typename M::const_reverse_iterator> > {
111 typedef SMDS_SetIterator< typename M::mapped_type, typename M::const_reverse_iterator,
112 SMDS::ValueAccessor<typename M::mapped_type,
113 typename M::const_reverse_iterator> > parent_type;
114 SMDS_mapReverseIterator(const M& m):parent_type(m.rbegin(),m.rend()) {}
117 * \brief iterator on keys of a map
120 struct SMDS_mapKeyIterator : public SMDS_SetIterator< typename M::key_type, typename M::const_iterator,
121 SMDS::KeyAccessor<typename M::key_type,
122 typename M::const_iterator> > {
123 typedef SMDS_SetIterator< typename M::key_type, typename M::const_iterator,
124 SMDS::KeyAccessor<typename M::key_type,
125 typename M::const_iterator> > parent_type;
126 SMDS_mapKeyIterator(const M& m):parent_type(m.begin(),m.end()) {}
129 * \brief reverse iterator on keys of a map
132 struct SMDS_mapKeyReverseIterator : public SMDS_SetIterator< typename M::key_type, typename M::const_iterator,
133 SMDS::KeyAccessor<typename M::key_type,
134 typename M::const_iterator> > {
135 typedef SMDS_SetIterator< typename M::key_type, typename M::const_iterator,
136 SMDS::KeyAccessor<typename M::key_type,
137 typename M::const_iterator> > parent_type;
138 SMDS_mapKeyReverseIterator(const M& m):parent_type(m.rbegin(),m.rend()) {}
141 ///////////////////////////////////////////////////////////////////////////////
142 // useful specifications
143 ///////////////////////////////////////////////////////////////////////////////
147 class SMDS_MeshElement;
150 typedef const SMDS_MeshElement* SMDS_pElement;
151 typedef const SMDS_MeshNode* SMDS_pNode;
155 typedef SMDS_SetIterator< SMDS_pElement, std::vector< SMDS_pElement >::const_iterator>
156 SMDS_ElementVectorIterator;
159 typedef SMDS_SetIterator< SMDS_pElement, SMDS_pElement const *>
160 SMDS_ElementArrayIterator;
163 typedef SMDS_SetIterator< SMDS_pElement, std::vector< SMDS_pNode >::const_iterator>
164 SMDS_NodeVectorElemIterator;
167 typedef SMDS_SetIterator< SMDS_pElement, SMDS_pNode const * >
168 SMDS_NodeArrayElemIterator;
172 typedef SMDS_SetIterator< SMDS_pNode, std::vector< SMDS_pNode >::const_iterator >
173 SMDS_NodeVectorIterator;
176 typedef SMDS_SetIterator< SMDS_pNode, SMDS_pNode const * >
177 SMDS_NodeArrayIterator;