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