mirror of https://github.com/CGAL/cgal
118 lines
2.8 KiB
C++
118 lines
2.8 KiB
C++
// Copyright (c) 2012 GeometryFactory Sarl (France).
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// All rights reserved.
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//
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// This file is part of CGAL (www.cgal.org).
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//
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// $URL$
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// $Id$
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// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Laurent Rineau
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#ifndef CGAL_IO_FILE_BINARY_MESH_3_H
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#define CGAL_IO_FILE_BINARY_MESH_3_H
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#include <CGAL/license/SMDS_3.h>
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#include <iostream>
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#include <string>
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#include <limits>
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#include <CGAL/SMDS_3/io_signature.h>
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namespace CGAL {
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namespace IO {
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/**
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* @ingroup PkgSMDS3IOFunctions
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* @brief outputs a mesh complex to the CGAL binary file format (`.binary.cgal`).
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*
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* @tparam C3T3 Type of mesh complex, model of `MeshComplex_3InTriangulation_3`
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*
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* @param os the output stream, opened in binary mode
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* @param c3t3 the mesh complex
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*
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* @sa `CGAL::IO::load_binary_file()`
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*/
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template <class C3T3>
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bool
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save_binary_file(std::ostream& os,
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const C3T3& c3t3
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#ifdef DOXYGEN_RUNNING
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)
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#else
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, bool binary = true)
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#endif
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{
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typedef typename C3T3::Triangulation::Geom_traits::FT FT;
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if(binary) os << "binary ";
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os << "CGAL c3t3 " << CGAL::Get_io_signature<C3T3>()() << "\n";
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if(binary) {
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CGAL::IO::set_binary_mode(os);
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} else {
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CGAL::IO::set_ascii_mode(os);
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os.precision(std::numeric_limits<FT>::digits10+2);
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}
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return !!(os << c3t3);
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// call operator!() twice, because operator bool() is C++11
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}
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/**
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* @ingroup PkgSMDS3IOFunctions
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* @brief loads a mesh complex from a file written in CGAL binary file format (`.binary.cgal`).
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*
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* @tparam C3T3 Type of mesh complex, model of `MeshComplex_3InTriangulation_3`
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*
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* @param is the input stream, opened in binary mode
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* @param c3t3 the mesh complex
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*
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* @sa `CGAL::IO::save_binary_file()`
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*/
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template <class C3T3>
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bool load_binary_file(std::istream& is, C3T3& c3t3)
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{
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std::string s;
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if(!(is >> s)) return false;
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bool binary = (s == "binary");
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if(binary) {
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if(!(is >> s)) return false;
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}
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if (s != "CGAL" ||
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!(is >> s) ||
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s != "c3t3")
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{
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return false;
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}
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std::getline(is, s);
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if(!s.empty()) {
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if(s[s.size()-1] == '\r') { // deal with Windows EOL
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s.resize(s.size() - 1);
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}
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if(s != std::string(" ") + CGAL::Get_io_signature<C3T3>()()) {
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std::cerr << "load_binary_file:"
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<< "\n expected format: " << CGAL::Get_io_signature<C3T3>()()
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<< "\n got format:" << s << std::endl;
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return false;
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}
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}
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if(binary) CGAL::IO::set_binary_mode(is);
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is >> c3t3;
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return !!is;
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// call operator!() twice, because operator bool() is C++11
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}
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} // end namespace IO
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#ifndef CGAL_NO_DEPRECATED_CODE
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namespace Mesh_3 {
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using IO::save_binary_file;
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using IO::load_binary_file;
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}
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#endif
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} // end namespace CGAL
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#endif // CGAL_IO_FILE_BINARY_MESH_3_H
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