00001 // Copyright (C) 2008, 2009 EPITA Research and Development Laboratory (LRDE) 00002 // 00003 // This file is part of Olena. 00004 // 00005 // Olena is free software: you can redistribute it and/or modify it under 00006 // the terms of the GNU General Public License as published by the Free 00007 // Software Foundation, version 2 of the License. 00008 // 00009 // Olena is distributed in the hope that it will be useful, 00010 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00011 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00012 // General Public License for more details. 00013 // 00014 // You should have received a copy of the GNU General Public License 00015 // along with Olena. If not, see <http://www.gnu.org/licenses/>. 00016 // 00017 // As a special exception, you may use this file as part of a free 00018 // software project without restriction. Specifically, if other files 00019 // instantiate templates or use macros or inline functions from this 00020 // file, or you compile this file and link it with other files to produce 00021 // an executable, this file does not by itself cause the resulting 00022 // executable to be covered by the GNU General Public License. This 00023 // exception does not however invalidate any other reasons why the 00024 // executable file might be covered by the GNU General Public License. 00025 00026 #ifndef MLN_UTIL_INDEX_HH 00027 # define MLN_UTIL_INDEX_HH 00028 00038 # include <mln/core/concept/object.hh> 00039 00040 00041 namespace mln 00042 { 00043 00044 namespace util 00045 { 00046 00047 // Forward declaration. 00048 template <typename Tag> struct dindex_; 00049 00050 00054 template <typename Tag = void> 00055 struct index_ // : public Object< index_<Tag> > 00056 { 00057 typedef Object<void> category; 00058 00059 typedef dindex_<Tag> dpsite; 00060 00061 typedef int coord; 00062 enum { dim = 1 }; 00063 00064 int i_; 00065 00066 index_() {} 00067 index_(int i) : i_(i) {} 00068 00069 index_<Tag>& operator++() 00070 { 00071 ++i_; // Pre-inc. 00072 return *this; 00073 } 00074 00075 index_<Tag> operator++(int) 00076 { 00077 index_<Tag> cpy(i_ + 1); 00078 ++i_; // Post-inc. 00079 return cpy; 00080 } 00081 00082 index_<Tag>& operator--() 00083 { 00084 --i_; // Pre-dec. 00085 return *this; 00086 } 00087 00088 index_<Tag> operator--(int) 00089 { 00090 index_<Tag> cpy(i_ + 1); 00091 --i_; // Post-dec. 00092 return cpy; 00093 } 00094 00095 bool operator<(const index_& rhs) const 00096 { 00097 return i_ < rhs.i_; 00098 } 00099 00100 bool operator<(int i) const 00101 { 00102 return i_ < i; 00103 } 00104 00105 operator int() const { return i_; } 00106 }; 00107 00108 typedef index_<void> index; 00109 00110 00111 00112 # ifndef MLN_INCLUDE_ONLY 00113 00114 // FIXME 00115 00116 # endif // ! MLN_INCLUDE_ONLY 00117 00118 } // end of namespace mln::util 00119 00120 } // end of namespace mln 00121 00122 00123 # include <mln/util/dindex.hh> 00124 00125 00126 #endif // ! MLN_UTIL_INDEX_HH
1.7.1