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51 lines
1.2 KiB
C++
51 lines
1.2 KiB
C++
// Boost.Geometry
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// Copyright (c) 2017 Barend Gehrels, Amsterdam, the Netherlands.
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// Use, modification and distribution is subject to the Boost Software License,
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// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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#ifndef BOOST_GEOMETRY_TEST_SETOP_CHECK_VALIDITY_HPP
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#define BOOST_GEOMETRY_TEST_SETOP_CHECK_VALIDITY_HPP
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#include <boost/foreach.hpp>
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#include <boost/geometry/algorithms/is_valid.hpp>
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template
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<
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typename Geometry,
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typename Tag = typename bg::tag<Geometry>::type
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>
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struct check_validity
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{
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static inline
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bool apply(Geometry const& geometry, std::string& message)
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{
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return bg::is_valid(geometry, message);
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}
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};
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// Specialization for vector of <geometry> (e.g. rings)
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template <typename Geometry>
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struct check_validity<Geometry, void>
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{
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static inline
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bool apply(Geometry const& geometry, std::string& message)
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{
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typedef typename boost::range_value<Geometry>::type single_type;
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BOOST_FOREACH(single_type const& element, geometry)
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{
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if (! bg::is_valid(element, message))
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{
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return false;
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}
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}
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return true;
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}
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};
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#endif // BOOST_GEOMETRY_TEST_SETOP_CHECK_VALIDITY_HPP
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