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source: code/archive/tutorialHS09/src/libraries/util/Exception.cc @ 9949

Last change on this file since 9949 was 5747, checked in by rgrieder, 15 years ago

Added Exception::handleMessage() (copy from Game::getExceptionMessage) function that returns the exception message (if retrievable) when catching with "…"
and adjusted some exception handlers.

  • Property svn:eol-style set to native
File size: 3.4 KB
Line 
1/*
2 *   ORXONOX - the hottest 3D action shooter ever to exist
3 *                    > www.orxonox.net <
4 *
5 *
6 *   License notice:
7 *
8 *   This program is free software; you can redistribute it and/or
9 *   modify it under the terms of the GNU General Public License
10 *   as published by the Free Software Foundation; either version 2
11 *   of the License, or (at your option) any later version.
12 *
13 *   This program is distributed in the hope that it will be useful,
14 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
15 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16 *   GNU General Public License for more details.
17 *
18 *   You should have received a copy of the GNU General Public License
19 *   along with this program; if not, write to the Free Software
20 *   Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
21 *
22 *   Author:
23 *      Reto Grieder
24 *   Co-authors:
25 *      ...
26 *
27 */
28
29/**
30@file
31@brief
32    Implementation of the Exception class.
33*/
34
35#include "Exception.h"
36#include <CEGUIExceptions.h>
37
38namespace orxonox
39{
40    Exception::Exception(const std::string& description, unsigned int lineNumber,
41                         const char* filename, const char* functionName)
42        : description_(description)
43        , lineNumber_(lineNumber)
44        , functionName_(functionName)
45        , filename_(filename)
46    { }
47
48    Exception::Exception(const std::string& description)
49        : description_(description)
50        , lineNumber_(0)
51        , functionName_("")
52        , filename_("")
53    { }
54
55    /**
56    @remarks
57        The composed full description gets stored to fullDescription_. But for compliance
58        with std::exception, this method has to be const. Hence fullDescription_ is declared
59        as mutable.
60    */
61    const std::string& Exception::getFullDescription() const
62    {
63        if (fullDescription_ == "")
64        {
65            std::ostringstream fullDesc;
66
67            fullDesc << this->getTypeName() << "Exception";
68
69            if (this->filename_ != "")
70            {
71                fullDesc << " in " << this->filename_;
72                if (this->lineNumber_)
73                    fullDesc << "(" << this->lineNumber_ << ")";
74            }
75
76            if (this->functionName_ != "")
77                fullDesc << " in function '" << this->functionName_ << "'";
78
79            fullDesc << ": ";
80            if (this->description_ != "")
81                fullDesc << this->description_;
82            else
83                fullDesc << "No description available.";
84
85            this->fullDescription_ = std::string(fullDesc.str());
86        }
87
88        return fullDescription_;
89    }
90
91    //! Returns the error description
92    const char* Exception::what() const throw()
93    {
94        return getDescription().c_str();
95    }
96
97    /*static*/ std::string Exception::handleMessage()
98    {
99        try
100        {
101            // rethrow
102            throw;
103        }
104        catch (const std::exception& ex)
105        {
106            return ex.what();
107        }
108        catch (const CEGUI::Exception& ex)
109        {
110#if CEGUI_VERSION_MAJOR == 0 && CEGUI_VERSION_MINOR < 6
111            return GeneralException(ex.getMessage().c_str()).getDescription();
112#else
113            return GeneralException(ex.getMessage().c_str(), ex.getLine(),
114                ex.getFileName().c_str(), ex.getName().c_str()).getDescription();
115#endif
116        }
117        catch (...)
118        {
119            return "Unknown exception";
120        }
121    }
122}
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