143 lines
2.8 KiB
C++
143 lines
2.8 KiB
C++
/*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#ifndef __FREESTYLE_ID_H__
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#define __FREESTYLE_ID_H__
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/** \file
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* \ingroup freestyle
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* \brief Identification system
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*/
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#ifdef WITH_CXX_GUARDEDALLOC
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# include "MEM_guardedalloc.h"
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#endif
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namespace Freestyle {
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/*! Class used to tag any object by an id.
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* It is made of two unsigned integers.
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*/
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class Id {
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public:
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typedef unsigned id_type;
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/*! Default constructor */
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Id()
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{
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_first = 0;
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_second = 0;
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}
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/*! Builds an Id from an integer.
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* The second number is set to 0.
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*/
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Id(id_type id)
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{
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_first = id;
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_second = 0;
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}
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/*! Builds the Id from the two numbers */
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Id(id_type ifirst, id_type isecond)
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{
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_first = ifirst;
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_second = isecond;
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}
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/*! Copy constructor */
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Id(const Id &iBrother)
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{
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_first = iBrother._first;
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_second = iBrother._second;
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}
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/*! Operator= */
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Id &operator=(const Id &iBrother)
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{
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_first = iBrother._first;
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_second = iBrother._second;
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return *this;
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}
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/*! Returns the first Id number */
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id_type getFirst() const
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{
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return _first;
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}
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/*! Returns the second Id number */
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id_type getSecond() const
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{
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return _second;
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}
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/*! Sets the first number constituting the Id */
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void setFirst(id_type first)
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{
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_first = first;
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}
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/*! Sets the second number constituting the Id */
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void setSecond(id_type second)
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{
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_second = second;
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}
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/*! Operator== */
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bool operator==(const Id &id) const
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{
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return ((_first == id._first) && (_second == id._second));
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}
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/*! Operator!= */
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bool operator!=(const Id &id) const
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{
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return !((*this) == id);
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}
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/*! Operator< */
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bool operator<(const Id &id) const
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{
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if (_first < id._first) {
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return true;
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}
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if (_first == id._first && _second < id._second) {
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return true;
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}
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return false;
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}
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private:
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id_type _first;
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id_type _second;
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#ifdef WITH_CXX_GUARDEDALLOC
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MEM_CXX_CLASS_ALLOC_FUNCS("Freestyle:Id")
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#endif
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};
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// stream operator
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inline std::ostream &operator<<(std::ostream &s, const Id &id)
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{
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s << "[" << id.getFirst() << ", " << id.getSecond() << "]";
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return s;
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}
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} /* namespace Freestyle */
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#endif // __FREESTYLE_ID_H__
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