SUMO - Simulation of Urban MObility
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00001 /****************************************************************************/ 00009 // Some helping functions for geometry parsing 00010 /****************************************************************************/ 00011 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/ 00012 // Copyright (C) 2001-2012 DLR (http://www.dlr.de/) and contributors 00013 /****************************************************************************/ 00014 // 00015 // This file is part of SUMO. 00016 // SUMO is free software: you can redistribute it and/or modify 00017 // it under the terms of the GNU General Public License as published by 00018 // the Free Software Foundation, either version 3 of the License, or 00019 // (at your option) any later version. 00020 // 00021 /****************************************************************************/ 00022 00023 00024 // =========================================================================== 00025 // included modules 00026 // =========================================================================== 00027 #ifdef _MSC_VER 00028 #include <windows_config.h> 00029 #else 00030 #include <config.h> 00031 #endif 00032 00033 #include <string> 00034 #include <sstream> 00035 #include <utils/geom/PositionVector.h> 00036 #include <utils/common/MsgHandler.h> 00037 #include <utils/common/StringTokenizer.h> 00038 #include <utils/common/TplConvert.h> 00039 #include "GeomConvHelper.h" 00040 00041 #ifdef CHECK_MEMORY_LEAKS 00042 #include <foreign/nvwa/debug_new.h> 00043 #endif // CHECK_MEMORY_LEAKS 00044 00045 00046 // =========================================================================== 00047 // method definitions 00048 // =========================================================================== 00049 PositionVector 00050 GeomConvHelper::parseShapeReporting(const std::string& shpdef, const std::string& objecttype, 00051 const char* objectid, bool& ok, bool allowEmpty, bool report) { 00052 if (shpdef == "") { 00053 if (!allowEmpty) { 00054 emitError(report, "Shape", objecttype, objectid, "the shape is empty"); 00055 ok = false; 00056 } 00057 return PositionVector(); 00058 } 00059 StringTokenizer st(shpdef, " "); 00060 PositionVector shape; 00061 while (st.hasNext()) { 00062 StringTokenizer pos(st.next(), ","); 00063 if (pos.size() != 2 && pos.size() != 3) { 00064 emitError(report, "Shape", objecttype, objectid, "the position is neither x,y nor x,y,z"); 00065 ok = false; 00066 return PositionVector(); 00067 } 00068 try { 00069 SUMOReal x = TplConvert<char>::_2SUMOReal(pos.next().c_str()); 00070 SUMOReal y = TplConvert<char>::_2SUMOReal(pos.next().c_str()); 00071 if (pos.size() == 2) { 00072 shape.push_back(Position(x, y)); 00073 } else { 00074 SUMOReal z = TplConvert<char>::_2SUMOReal(pos.next().c_str()); 00075 shape.push_back(Position(x, y, z)); 00076 } 00077 } catch (NumberFormatException&) { 00078 emitError(report, "Shape", objecttype, objectid, "not numeric position entry"); 00079 ok = false; 00080 return PositionVector(); 00081 } catch (EmptyData&) { 00082 emitError(report, "Shape", objecttype, objectid, "empty position entry"); 00083 ok = false; 00084 return PositionVector(); 00085 } 00086 } 00087 return shape; 00088 } 00089 00090 00091 Boundary 00092 GeomConvHelper::parseBoundaryReporting(const std::string& def, const std::string& objecttype, 00093 const char* objectid, bool& ok, bool report) { 00094 StringTokenizer st(def, ","); 00095 if (st.size() != 4) { 00096 emitError(report, "Bounding box", objecttype, objectid, "mismatching entry number"); 00097 ok = false; 00098 return Boundary(); 00099 } 00100 try { 00101 SUMOReal xmin = TplConvert<char>::_2SUMOReal(st.next().c_str()); 00102 SUMOReal ymin = TplConvert<char>::_2SUMOReal(st.next().c_str()); 00103 SUMOReal xmax = TplConvert<char>::_2SUMOReal(st.next().c_str()); 00104 SUMOReal ymax = TplConvert<char>::_2SUMOReal(st.next().c_str()); 00105 return Boundary(xmin, ymin, xmax, ymax); 00106 } catch (NumberFormatException&) { 00107 emitError(report, "Shape", objecttype, objectid, "not numeric entry"); 00108 } catch (EmptyData&) { 00109 emitError(report, "Shape", objecttype, objectid, "empty entry"); 00110 } 00111 ok = false; 00112 return Boundary(); 00113 } 00114 00115 00116 void 00117 GeomConvHelper::emitError(bool report, const std::string& what, const std::string& objecttype, 00118 const char* objectid, const std::string& desc) { 00119 if (!report) { 00120 return; 00121 } 00122 std::ostringstream oss; 00123 oss << what << " of "; 00124 if (objectid == 0) { 00125 oss << "a(n) "; 00126 } 00127 oss << objecttype; 00128 if (objectid != 0) { 00129 oss << " '" << objectid << "'"; 00130 } 00131 oss << " is broken: " << desc << "."; 00132 WRITE_ERROR(oss.str()); 00133 } 00134 00135 00136 00137 /****************************************************************************/ 00138