mirror of https://github.com/CGAL/cgal
77 lines
2.0 KiB
C++
77 lines
2.0 KiB
C++
// Copyright (c) 1997
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// Utrecht University (The Netherlands),
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// ETH Zurich (Switzerland),
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// INRIA Sophia-Antipolis (France),
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// Max-Planck-Institute Saarbruecken (Germany),
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// and Tel-Aviv University (Israel). 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: LGPL-3.0-or-later OR LicenseRef-Commercial
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//
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//
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// Author(s) : Lutz Kettner <kettner@mpi-sb.mpg.de>
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#ifndef CGAL_IO_GENERIC_WRITER_H
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#define CGAL_IO_GENERIC_WRITER_H
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#include <CGAL/basic.h>
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#include <CGAL/boost/graph/Named_function_parameters.h>
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#include <CGAL/boost/graph/named_params_helper.h>
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#include <iostream>
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#include <iterator>
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#include <vector>
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namespace CGAL {
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template <typename Stream, typename FileWriter>
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class Generic_writer
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{
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public:
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Generic_writer(Stream& out) : m_out(out) { }
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Generic_writer(Stream& out, FileWriter writer) : m_out(out), m_writer(writer) { }
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template <typename PointRange_3, typename PolygonRange_3>
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bool operator()(const PointRange_3& points,
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const PolygonRange_3& polygons)
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{
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typedef typename PointRange_3::value_type Point_3;
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typedef typename PolygonRange_3::value_type Polygon_3;
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if(m_out.fail())
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return false;
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m_writer.write_header(m_out, points.size(), 0, polygons.size());
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for(std::size_t i=0, end=points.size(); i<end; ++i)
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{
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const Point_3& p = points[i];
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m_writer.write_vertex(p.x(), p.y(), p.z());
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}
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m_writer.write_facet_header();
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for(std::size_t i=0, end=polygons.size(); i<end; ++i)
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{
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Polygon_3& polygon = polygons[i];
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const std::size_t size = polygon.size();
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m_writer.write_facet_begin(size);
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for(std::size_t j=0; j<size; ++j)
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m_writer.write_facet_vertex_index(polygon[j]);
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m_writer.write_facet_end();
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}
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m_writer.write_footer();
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return m_out.good();
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}
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protected:
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Stream& m_out;
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FileWriter m_writer;
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};
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} // namespace CGAL
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#endif // CGAL_IO_GENERIC_WRITER_H
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