gdcmException.cxx

Go to the documentation of this file.
00001 /*=========================================================================
00002                                                                                 
00003   Program:   gdcm
00004   Module:    $RCSfile: gdcmException.cxx,v $
00005   Language:  C++
00006   Date:      $Date: 2007/05/23 14:18:10 $
00007   Version:   $Revision: 1.29 $
00008                                                                                 
00009   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
00010   l'Image). All rights reserved. See Doc/License.txt or
00011   http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
00012                                                                                 
00013      This software is distributed WITHOUT ANY WARRANTY; without even
00014      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00015      PURPOSE.  See the above copyright notices for more information.
00016                                                                                 
00017 =========================================================================*/
00018 
00019 #include "gdcmException.h"
00020 
00021 #include <typeinfo>
00022 #include <stdlib.h> // for exit
00023 
00024 namespace GDCM_NAME_SPACE 
00025 {
00026 //-----------------------------------------------------------------------------
00027 // Exception
00033 Exception::Exception(const std::string &f, const std::string &msg) throw()
00034 #ifdef __GNUC__
00035    try
00036 #endif
00037    : From(f), Error(msg) 
00038    {
00039    }
00040 #ifdef __GNUC__
00041    catch(...) 
00042    {
00043       fatal("Exception::Exception(const std::string&, const std::string&, const std::string&)");
00044    }
00045 #endif
00046 
00051 void Exception::fatal(const char *from) throw() 
00052 {
00053    try
00054    {
00055       std::cerr << "Fatal: exception received in " << from 
00056                 << " while handling exception." << std::endl;
00057       exit(-1);
00058    }
00059    catch(...)
00060    {
00061       try
00062       {
00063          std::cerr << "Fatal: exception received in Exception::fatal while handling exception."
00064                    << std::endl;
00065          exit(-1);
00066       }
00067       catch(...)
00068       {
00069          exit(-1);
00070       }
00071    }
00072 }
00073 
00078 std::string Exception::getName() const throw()
00079 {
00080    try
00081    {
00082 #if defined(__GNUC__) && 0   // GNU C++ compiler class name demangling
00083       unsigned int nested = 1, i, nb;
00084       int offset;
00085       std::string one;
00086 
00087       std::string name;
00088       std::string iname = typeid(*this).name();
00089       if ( iname[0] == 'Q' )
00090       {
00091          nested = iname[1] - '0';
00092          iname = std::string(iname, 2, std::string::npos);
00093       }
00094       for(i = 0; i < nested; i++)
00095       {
00096          ::sscanf(iname.c_str(), "%u%n", &nb, &offset);
00097          iname = std::string(iname, offset, std::string::npos);
00098          name += std::string(iname, 0, nb);
00099          if ( i + 1 < nested) name += "::";
00100          iname = std::string(iname, nb, std::string::npos );
00101       }
00102       return name;
00103 #else           // no class name demangling
00104       std::string name = typeid(*this).name();
00105       return name;
00106 #endif
00107    }
00108    catch(...) 
00109    {
00110       fatal("Exception::getName(std::string &)");
00111       return "";
00112    }
00113 }
00114 
00118 Exception::operator const char *() const throw() 
00119 {
00120    return getName().c_str();
00121 }
00122 
00123 //-----------------------------------------------------------------------------
00129 std::ostream& operator<<(std::ostream &os, const Exception &e) 
00130 {
00131    try 
00132    {
00133       os << "Exception " << e.getName() << " thrown: " << e.getError() << std::endl;
00134    }
00135    catch(...) 
00136    {
00137       Exception::fatal("operator<<(std::ostream &, const Exception&)");
00138    }
00139    return os;
00140 }
00141 
00142 } // end namespace gdcm
00143 //-----------------------------------------------------------------------------

Generated on Fri Aug 24 12:53:15 2007 for gdcm by  doxygen 1.4.6