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// Boost.Geometry
// Copyright (c) 2017 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2021.
// Modifications copyright (c) 2021, Oracle and/or its affiliates.
// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
// Use, modification and distribution is subject to the Boost Software License,
// Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_GEOMETRY_TEST_CHECK_VALIDITY_HPP
#define BOOST_GEOMETRY_TEST_CHECK_VALIDITY_HPP
#include <boost/geometry/algorithms/is_valid.hpp>
template<typename Geometry>
inline bool is_input_valid(std::string const& case_id, std::string const& subcase,
Geometry const& geometry)
{
std::string message;
bool const result = bg::is_valid(geometry, message);
if (! result)
{
std::cout << "WARNING: " << case_id << " Input [" << subcase
<< "] is not considered as valid ("
<< message << ") this can cause that output is invalid: "
<< case_id << std::endl;
}
return result;
}
template<typename Geometry, typename G1, typename G2>
inline bool is_output_valid(Geometry const& geometry,
std::string const& case_id,
G1 const& g1, G2 const& g2,
bool ignore_validity_on_invalid_input,
std::string& message)
{
bool result = bg::is_valid(geometry, message);
if (! result && ignore_validity_on_invalid_input)
{
if (! is_input_valid(case_id, "a", g1)
|| ! is_input_valid(case_id, "b", g2))
{
// Because input is invalid, output validity is ignored
result = true;
}
}
return result;
}
template
<
typename Geometry,
typename Tag = typename bg::tag<Geometry>::type
>
struct check_validity
{
template <typename G1, typename G2>
static inline
bool apply(Geometry const& geometry,
std::string const& case_id,
G1 const& g1, G2 const& g2,
std::string& message,
bool ignore_validity_on_invalid_input = true)
{
return is_output_valid(geometry, case_id, g1, g2,
ignore_validity_on_invalid_input, message);
}
};
// Specialization for vector of <geometry> (e.g. rings)
template <typename Geometry>
struct check_validity<Geometry, void>
{
template <typename G1, typename G2>
static inline
bool apply(Geometry const& geometry,
std::string const& case_id,
G1 const& g1, G2 const& g2,
std::string& message,
bool ignore_validity_on_invalid_input = true)
{
typedef typename boost::range_value<Geometry>::type single_type;
for (single_type const& element : geometry)
{
if (! is_output_valid(element, case_id, g1, g2,
ignore_validity_on_invalid_input, message))
{
return false;
}
}
return true;
}
};
#endif // BOOST_GEOMETRY_TEST_CHECK_VALIDITY_HPP
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