boost/geometry/srs/projections/exception.hpp
// Boost.Geometry
// Copyright (c) 2008-2012 Barend Gehrels, Amsterdam, the Netherlands.
// This file was modified by Oracle on 2017.
// Modifications copyright (c) 2017, 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_PROJECTIONS_EXCEPTION_HPP
#define BOOST_GEOMETRY_PROJECTIONS_EXCEPTION_HPP
#include <boost/geometry/core/exception.hpp>
#include <boost/geometry/srs/projections/impl/pj_strerrno.hpp>
#include <boost/throw_exception.hpp>
namespace boost { namespace geometry
{
// TODO: make more for forward/inverse/init/setup
class projection_exception : public geometry::exception
{
public:
explicit projection_exception(int code = 0)
: m_code(code)
, m_msg(projections::detail::pj_strerrno(code))
{}
explicit projection_exception(std::string const& msg)
: m_code(0)
, m_msg(msg)
{}
projection_exception(int code, std::string const& msg)
: m_code(code)
, m_msg(msg)
{}
virtual char const* what() const throw()
{
//return "Boost.Geometry Projection exception";
return m_msg.what();
}
int code() const { return m_code; }
private :
int m_code;
std::runtime_error m_msg;
};
struct projection_not_named_exception
: projection_exception
{
projection_not_named_exception()
: projection_exception(-4)
{}
};
struct projection_unknown_id_exception
: projection_exception
{
projection_unknown_id_exception(std::string const& proj_name)
: projection_exception(-5, msg(proj_name))
{}
private:
static std::string msg(std::string const& proj_name)
{
return projections::detail::pj_strerrno(-5) + " (" + proj_name + ")";
}
};
struct projection_not_invertible_exception
: projection_exception
{
projection_not_invertible_exception(std::string const& proj_name)
: projection_exception(-17, msg(proj_name))
{}
private:
static std::string msg(std::string const& proj_name)
{
return std::string("projection (") + proj_name + ") is not invertible";
}
};
}} // namespace boost::geometry
#endif // BOOST_GEOMETRY_PROJECTIONS_EXCEPTION_HPP