# gdcmException.h

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    00001 /*=========================================================================
    00002
    00003   Program: GDCM (Grassroots DICOM). A DICOM library
    00004   Module:  $URL$
    00005
    00006   Copyright (c) 2006-2010 Mathieu Malaterre
    00007   All rights reserved.
    00008   See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
    00009
    00010      This software is distributed WITHOUT ANY WARRANTY; without even
    00011      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
    00012      PURPOSE.  See the above copyright notice for more information.
    00013
    00014 =========================================================================*/
    00015 #ifndef GDCMEXCEPTION_H
    00016 #define GDCMEXCEPTION_H
    00017
    00018 #include <cassert>
    00019 #include <cstdlib> // NULL
    00020 #include <exception>
    00021 #include <sstream> // ostringstream
    00022 #include <stdexcept> // logic_error
    00023 #include <string>
    00024
    00025 namespace gdcm
    00026 {
    00027
    00034 class Exception : public std::exception
    00035 {
    00040   typedef std::logic_error StringHolder;
    00041
    00043   static StringHolder CreateWhat(const char* const desc,
    00044                                  const char* const file,
    00045                                  const unsigned int lineNumber,
    00046                                  const char* const func)
    00047   {
    00048     assert(desc != NULL);
    00049     assert(file != NULL);
    00050     assert(func != NULL);
    00051     std::ostringstream oswhat;
    00052     oswhat << file << ":" << lineNumber << " (" << func << "):\n";
    00053     oswhat << desc;
    00054     return StringHolder( oswhat.str() );
    00055   }
    00056
    00057 public:
    00063   explicit Exception(const char *desc = "None",
    00064             const char *file = __FILE__,
    00065             unsigned int lineNumber = __LINE__,
    00066             // FIXME:  __PRETTY_FUNCTION__ is the non-mangled version for __GNUC__ compiler
    00067             const char *func = "" /*__FUNCTION__*/)
    00068   :
    00069   What( CreateWhat(desc, file, lineNumber, func) ),
    00070   Description(desc)
    00071   {
    00072   }
    00073
    00074   virtual ~Exception() throw() {}
    00075
    00077   const char* what() const throw()
    00078     {
    00079     return What.what();
    00080     }
    00081
    00083   const char * GetDescription() const { return Description.what(); }
    00084
    00085 private:
    00086   StringHolder  What;
    00087   StringHolder  Description;
    00088 };
    00089
    00090 } // end namespace gdcm
    00091
    00092 #endif