114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
// Boost.Geometry
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// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
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// This file was modified by Oracle on 2017, 2018.
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// Modifications copyright (c) 2017-2018, Oracle and/or its affiliates.
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// Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle
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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_PROJECTIONS_EXCEPTION_HPP
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#define BOOST_GEOMETRY_PROJECTIONS_EXCEPTION_HPP
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#include <boost/geometry/core/exception.hpp>
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#include <boost/geometry/srs/projections/impl/pj_strerrno.hpp>
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#include <boost/throw_exception.hpp>
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namespace boost { namespace geometry
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{
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// TODO: make more for forward/inverse/init/setup
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class projection_exception : public geometry::exception
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{
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public:
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explicit projection_exception(int code = 0)
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: m_code(code)
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, m_msg(projections::detail::pj_strerrno(code))
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{}
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explicit projection_exception(std::string const& msg)
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: m_code(0)
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, m_msg(msg)
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{}
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projection_exception(int code, std::string const& msg)
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: m_code(code)
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, m_msg(msg)
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{}
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virtual char const* what() const throw()
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{
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//return "Boost.Geometry Projection exception";
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return m_msg.what();
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}
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int code() const { return m_code; }
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private :
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int m_code;
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std::runtime_error m_msg;
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};
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struct projection_not_named_exception
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: projection_exception
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{
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projection_not_named_exception()
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: projection_exception(projections::detail::error_proj_not_named)
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{}
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};
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struct projection_unknown_id_exception
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: projection_exception
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{
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projection_unknown_id_exception()
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: projection_exception(projections::detail::error_unknown_projection_id,
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msg())
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{}
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projection_unknown_id_exception(std::string const& proj_name)
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: projection_exception(projections::detail::error_unknown_projection_id,
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msg(proj_name))
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{}
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private:
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static std::string msg()
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{
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using namespace projections::detail;
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return pj_strerrno(error_unknown_projection_id);
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}
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static std::string msg(std::string const& proj_name)
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{
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using namespace projections::detail;
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return pj_strerrno(error_unknown_projection_id) + " (" + proj_name + ")";
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}
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};
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struct projection_not_invertible_exception
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: projection_exception
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{
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// NOTE: There is no error code in proj4 which could be used here
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// Proj4 sets points as invalid (HUGE_VAL) and last errno to EINVAL
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// in pj_inv() if inverse projection is not available.
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projection_not_invertible_exception(std::string const& proj_name)
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: projection_exception(projections::detail::error_non_conv_inv_meri_dist,
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msg(proj_name))
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{}
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private:
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static std::string msg(std::string const& proj_name)
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{
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return std::string("projection (") + proj_name + ") is not invertible";
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}
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};
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}} // namespace boost::geometry
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#endif // BOOST_GEOMETRY_PROJECTIONS_EXCEPTION_HPP
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