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//=============================================================================
//
// Glagen : a planet sized landscape generator
// Copyright (C) 2002 Julien Guertault, Hugues Hiegel, Meng-Tih Lam
//
// 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
//
//=============================================================================
//
// Glagen : GPL LAndscape GENerator
//
// Data_property.hh for Glagen : made by Titi (Meng-tih LAM)
//
// www.glagen.org
//
//=============================================================================
#ifndef DATA_PROPERTY_HH_
# define DATA_PROPERTY_HH_
#include <iostream>
#include <string>
#include <unistd.h> // Pour write/read
#include <errno.h>
#include "../../3d/data_glagen.hh"
class Data_property
{
public:
Data_property() : _data(0), _size(0), _type(kind_lib_t(none)) {}
Data_property(void* data, size_t size, kind_lib_t type)
: _data(data),
_size(size),
_type(type)
{}
void write_data(const int& fd) const
{
write(fd, &_type, sizeof(int));
write(fd, &_size, sizeof(int));
write(fd, _data, _size * sizeof(void *));
}
void read_data(const int& fd)
{
do
{
errno = 0;
read(fd, &_type, sizeof(int));
}
while (errno == 4);
do
{
errno = 0;
read(fd, &_size, sizeof(int));
}
while (errno == 4);
do
{
errno = 0;
read(fd, _data, _size * sizeof(void *));
}
while (errno == 4);
}
protected:
void *_data;
size_t _size;
kind_lib_t _type;
};
#endif // DATA_PROPERTY_HH_
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