src/Geometry/PortalError.cpp

0001 // This file is part of the ACTS project.
0002 //
0003 // Copyright (C) 2016 CERN for the benefit of the ACTS project
0004 //
0005 // This Source Code Form is subject to the terms of the Mozilla Public
0006 // License, v. 2.0. If a copy of the MPL was not distributed with this
0007 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
0008
0009 #include "Acts/Surfaces/SurfaceError.hpp"
0010
0011 #include <string>
0012
0013 namespace {
0014
0015 class SurfaceErrorCategory : public std::error_category {
0016  public:
0017   // Return a short descriptive name for the category.
0018   const char* name() const noexcept final { return "SurfaceError"; }
0019
0020   // Return what each enum means in text.
0021   std::string message(int c) const final {
0022     using Acts::SurfaceError;
0023
0024     switch (static_cast<SurfaceError>(c)) {
0025       case SurfaceError::GlobalPositionNotOnSurface:
0026         return "Global to local transformation failed: position not on "
0027                "surface.";
0028       default:
0029         return "unknown";
0030     }
0031   }
0032 };
0033
0034 }  // namespace
0035
0036 std::error_code Acts::make_error_code(Acts::SurfaceError e) {
0037   static SurfaceErrorCategory c;
0038   return {static_cast<int>(e), c};
0039 }