1 // Boost.Geometry (aka GGL, Generic Geometry Library) 2 3 // Copyright (c) 2007-2015 Barend Gehrels, Amsterdam, the Netherlands. 4 // Copyright (c) 2008-2015 Bruno Lalande, Paris, France. 5 // Copyright (c) 2009-2015 Mateusz Loskot, London, UK. 6 7 // This file was modified by Oracle on 2015, 2017. 8 // Modifications copyright (c) 2015-2017 Oracle and/or its affiliates. 9 10 // Contributed and/or modified by Adam Wulkiewicz, on behalf of Oracle 11 12 // Parts of Boost.Geometry are redesigned from Geodan's Geographic Library 13 // (geolib/GGL), copyright (c) 1995-2010 Geodan, Amsterdam, the Netherlands. 14 15 // Use, modification and distribution is subject to the Boost Software License, 16 // Version 1.0. (See accompanying file LICENSE_1_0.txt or copy at 17 // http://www.boost.org/LICENSE_1_0.txt) 18 19 #ifndef BOOST_GEOMETRY_CORE_EXCEPTION_HPP 20 #define BOOST_GEOMETRY_CORE_EXCEPTION_HPP 21 22 #include <exception> 23 24 namespace boost { namespace geometry 25 { 26 27 /*! 28 \brief Base exception class for Boost.Geometry algorithms 29 \ingroup core 30 \details This class is never thrown. All exceptions thrown in Boost.Geometry 31 are derived from exception, so it might be convenient to catch it. 32 */ 33 class exception : public std::exception 34 { 35 public: what() const36 virtual char const* what() const throw() 37 { 38 return "Boost.Geometry exception"; 39 } 40 }; 41 42 /*! 43 \brief Invalid Input Exception 44 \ingroup core 45 \details The invalid_input_exception is thrown if an invalid attribute 46 is passed into a function, e.g. a DE-9IM mask string code containing 47 invalid characters passed into a de9im::mask constructor. 48 */ 49 class invalid_input_exception : public geometry::exception 50 { 51 public: 52 invalid_input_exception()53 inline invalid_input_exception() {} 54 what() const55 virtual char const* what() const throw() 56 { 57 return "Boost.Geometry Invalid-Input exception"; 58 } 59 }; 60 61 /*! 62 \brief Empty Input Exception 63 \ingroup core 64 \details The empty_input_exception is thrown if free functions, e.g. distance, 65 are called with empty geometries, e.g. a linestring 66 without points, a polygon without points, an empty multi-geometry. 67 \qbk{ 68 [heading See also] 69 \* [link geometry.reference.algorithms.area the area function] 70 \* [link geometry.reference.algorithms.distance the distance function] 71 \* [link geometry.reference.algorithms.length the length function] 72 } 73 */ 74 class empty_input_exception : public geometry::invalid_input_exception 75 { 76 public: 77 empty_input_exception()78 inline empty_input_exception() {} 79 what() const80 virtual char const* what() const throw() 81 { 82 return "Boost.Geometry Empty-Input exception"; 83 } 84 }; 85 86 /*! 87 \brief Invalid Output Exception 88 \ingroup core 89 \details The invalid_output_exception is thrown if valid output cannot be 90 generated by a function even if arguments are valid, e.g. union of 91 geographic polygons covering more than half of the area of the globe. 92 */ 93 class invalid_output_exception : public geometry::exception 94 { 95 public: 96 invalid_output_exception()97 inline invalid_output_exception() {} 98 what() const99 virtual char const* what() const throw() 100 { 101 return "Boost.Geometry Invalid-Output exception"; 102 } 103 }; 104 105 106 }} // namespace boost::geometry 107 108 #endif // BOOST_GEOMETRY_CORE_EXCEPTION_HPP 109