Exception.cpp

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//==============================================================================
//
//  This file is part of GNSSTk, the ARL:UT GNSS Toolkit.
//
//  The GNSSTk is free software; you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published
//  by the Free Software Foundation; either version 3.0 of the License, or
//  any later version.
//
//  The GNSSTk is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public
//  License along with GNSSTk; if not, write to the Free Software Foundation,
//  Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110, USA
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin.
//  Copyright 2004-2022, The Board of Regents of The University of Texas System
//
//==============================================================================
 
//==============================================================================
//
//  This software was developed by Applied Research Laboratories at the
//  University of Texas at Austin, under contract to an agency or agencies
//  within the U.S. Department of Defense. The U.S. Government retains all
//  rights to use, duplicate, distribute, disclose, or release this software.
//
//  Pursuant to DoD Directive 523024
//
//  DISTRIBUTION STATEMENT A: This software has been approved for public
//                            release, distribution is unlimited.
//
//==============================================================================
 
#include <sstream>
#include "Exception.hpp"
 
using std::ostream;
using std::ostringstream;
using std::streambuf;
using std::string;
using std::endl;
 
namespace gnsstk
{
 
   void ExceptionLocation::dump(ostream& s) const
   {
      s << getFileName() << ":"
#ifdef __FUNCTION__
        << getFunctionName() << ":"
#endif
        << getLineNumber();
   }
 
   Exception::Exception()
   {
   }
 
   Exception::Exception(const std::string& errorText,
                        const unsigned long& errId,
                        const Severity& sever)
   {
      text.push_back(errorText);
      errorId = errId;
      severity = sever;
   }
 
   Exception::Exception(const char* errorText,
      const unsigned long& errId,
      const Severity& sever)
   {
      text.push_back(string(errorText));
      errorId = errId;
      severity = sever;
   }
 
   Exception::Exception(const Exception& e)
         : errorId(e.errorId),
           locations(e.locations),
           severity(e.severity),
           text(e.text),
           streamBuffer(e.streamBuffer)
   {}
 
   Exception& Exception::operator=(const Exception& e)
   {
      errorId = e.errorId;
      locations = e.locations;
      severity = e.severity;
      text = e.text;
         // reuse existing stream objects, no matter.
         //streambuf(), ostream((streambuf*)this),
      streamBuffer = e.streamBuffer;
 
      return *this;
   }
 
   Exception& Exception::addLocation(
      const ExceptionLocation& location)
   {
      locations.push_back(location);
      return *this;
   }
 
   const ExceptionLocation Exception::getLocation(
      const size_t& index) const
   {
      if (index>=getLocationCount())
      {
         return ExceptionLocation();
      }
      else
      {
         return locations[index];
      }
   }
 
   size_t Exception::getLocationCount() const
   {
      return locations.size();
   }
 
   Exception& Exception::addText(const string& errorText)
   {
      text.push_back(errorText);
      return *this;
   }
 
   string Exception::getText(const size_t& index) const
   {
      if (index>=getTextCount())
      {
         string tmp;
         return tmp;
      }
      else
      {
         return text[index];
      }
   }
 
   size_t Exception::getTextCount() const
   {
      return text.size();
   }
 
   void Exception::dump(ostream& s) const
   {
      size_t i;
      for (i=0; i<getTextCount(); i++)
      {
         s << "text " << i << ":" << this->getText(i) << endl;
      }
      for (i=0; i<getLocationCount(); i++)
      {
         s << "location " << i << ":" << getLocation(i).what() << endl;
      }
   }
 
   int Exception::overflow(int c)
   {
      if (c == '\n' || !c)
      {
         if (streamBuffer.length() == 0)
         {
            return c;
         }
         addText(streamBuffer);
         streamBuffer = "";
         return c;
      }
      streamBuffer.append(1, (char)c);
      return c;
   }
 
   string ExceptionLocation::what() const
   {
      ostringstream oss;
      this->dump(oss);
      return oss.str();
   }
 
   string Exception::what() const
   {
      ostringstream oss;
      this->dump(oss);
      return oss.str();
   }
 
    ostream& operator<<( ostream& s,
                         const Exception& e )
    {
       e.dump(s);
       return s;
    }
 
    ostream& operator<<( ostream& s,
                         const ExceptionLocation& e )
    {
       e.dump(s);
       return s;
    }
 
} // namespace gnsstk