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// Copyright (c) 2012 GeometryFactory Sarl (France).
// All rights reserved.
//
// This file is part of CGAL (www.cgal.org).
//
// $URL: https://github.com/CGAL/cgal/blob/v6.1/SMDS_3/include/CGAL/IO/File_binary_mesh_3.h $
// $Id: include/CGAL/IO/File_binary_mesh_3.h b26b07a1242 $
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
//
//
// Author(s) : Laurent Rineau
#ifndef CGAL_IO_FILE_BINARY_MESH_3_H
#define CGAL_IO_FILE_BINARY_MESH_3_H
#include <CGAL/license/SMDS_3.h>
#include <iostream>
#include <string>
#include <limits>
#include <CGAL/SMDS_3/io_signature.h>
namespace CGAL {
namespace IO {
/**
* @ingroup PkgSMDS3IOFunctions
* @brief outputs a mesh complex to the CGAL binary file format (`.binary.cgal`).
*
* @tparam C3T3 Type of mesh complex, model of `MeshComplex_3InTriangulation_3`
*
* @param os the output stream, opened in binary mode
* @param c3t3 the mesh complex
*
* @sa `CGAL::IO::load_binary_file()`
*/
template <class C3T3>
bool
save_binary_file(std::ostream& os,
const C3T3& c3t3
#ifdef DOXYGEN_RUNNING
)
#else
, bool binary = true)
#endif
{
if(binary) os << "binary ";
os << "CGAL c3t3 " << CGAL::Get_io_signature<C3T3>()() << "\n";
if(binary) {
CGAL::IO::set_binary_mode(os);
} else {
CGAL::IO::set_ascii_mode(os);
os.precision(std::numeric_limits<double>::max_digits10);
}
return !!(os << c3t3);
// call operator!() twice, because operator bool() is C++11
}
/**
* @ingroup PkgSMDS3IOFunctions
* @brief loads a mesh complex from a file written in CGAL binary file format (`.binary.cgal`).
*
* @tparam C3T3 Type of mesh complex, model of `MeshComplex_3InTriangulation_3`
*
* @param is the input stream, opened in binary mode
* @param c3t3 the mesh complex
*
* @sa `CGAL::IO::save_binary_file()`
*/
template <class C3T3>
bool load_binary_file(std::istream& is, C3T3& c3t3)
{
std::string s;
if(!(is >> s)) return false;
bool binary = (s == "binary");
if(binary) {
if(!(is >> s)) return false;
}
if (s != "CGAL" ||
!(is >> s) ||
s != "c3t3")
{
return false;
}
std::getline(is, s);
if(!s.empty()) {
if(s[s.size()-1] == '\r') { // deal with Windows EOL
s.resize(s.size() - 1);
}
if(s != std::string(" ") + CGAL::Get_io_signature<C3T3>()()) {
std::cerr << "load_binary_file:"
<< "\n expected format: " << CGAL::Get_io_signature<C3T3>()()
<< "\n got format:" << s << std::endl;
return false;
}
}
if(binary) CGAL::IO::set_binary_mode(is);
is >> c3t3;
return !!is;
// call operator!() twice, because operator bool() is C++11
}
} // end namespace IO
#ifndef CGAL_NO_DEPRECATED_CODE
namespace Mesh_3 {
using IO::save_binary_file;
using IO::load_binary_file;
}
#endif
} // end namespace CGAL
#endif // CGAL_IO_FILE_BINARY_MESH_3_H
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