Errors.hxx

// Copyright (C) 2003-2007, Vivien Mallet
//
// This file is part of SeldonData library, used for data processing.
//
// SeldonData is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 of the License, or (at your option)
// any later version.
//
// SeldonData 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 General Public License for
// more details.
//
// For more information, visit the SeldonData home page:
//      http://vivienmallet.net/lib/seldondata/

#ifndef FILE_SELDONDATA_ERRORS_HXX

#include <iostream>
using std::cout;
using std::endl;
#include <string>

namespace SeldonData
{
  
  // ERROR //

  class Error
  {

  protected:
    string function;
    string comment;

  public:
    Error()
    {
      cout << "ERROR!" << endl;
      function = "";
      comment = "";
    }

    Error(string f)
    {
      cout << "ERROR!" << endl;
      function = f;
      comment = "";
    }

    Error(string f, string c)
    {
      cout << "ERROR!" << endl;
      function = f;
      comment = c;
    }

    virtual ~Error()
    {
    }

    virtual void What()
    {
      cout << "An unknown error occured";
      if (function.length()!=0)
        cout << " in " << function;
      cout << "." << endl;
      if (comment.length()!=0)
        cout << "   " << comment << endl;
      cout << endl;
    }
  };



  // NOMEMORY //


  class NoMemory: public Error
  {

  public:
    NoMemory(string f, string c): Error(f, c)
    {
    }
    NoMemory(string f): Error(f)
    {
    }

    virtual void What()
    {
      cout << "No more memory is available";
      if (this->function!="")
        cout << " in " << this->function;
      cout << "." << endl;
      if (this->comment!="")
        cout << "   " << this->comment << endl;
      cout << endl;
    }

  };
  


  // WRONGDIM //



  class WrongDim: public Error
  {

  public:
    WrongDim(string f, string c): Error(f, c)
    {
    }

    virtual void What()
    {
      cout << "Wrong dimension";
      if (this->function!="")
        cout << " in " << this->function;
      cout << "." << endl;
      if (this->comment!="")
        cout << "   " << this->comment << endl;
      cout << endl;
    }

  };
  


  // WRONGINDEX //



  class WrongIndex: public Error
  {

  public:
    WrongIndex(string f): Error(f)
    {
    }
    WrongIndex(string f, string c): Error(f, c)
    {
    }

    virtual void What()
    {
      cout << "Index out of range";
      if (this->function!="")
        cout << " in " << this->function;
      cout << "." << endl;
      if (this->comment!="")
        cout << "   " << this->comment << endl;
      cout << endl;
    }

  };
  


  // IOERROR //


  class IOError: public Error
  {

  public:
    IOError(string f, string c): Error(f, c)
    {
    }

    virtual void What()
    {
      cout << "An input/output operation failed";
      if (this->function!="")
        cout << " in " << this->function;
      cout << "." << endl;
      if (this->comment!="")
        cout << "   " << this->comment << endl;
      cout << endl;
    }

  };



  // UNDEFINED //


  class Undefined: public Error
  {

  public:
    Undefined(string f): Error(f)
    {
    }
    Undefined(string f, string c): Error(f, c)
    {
    }

    virtual void What()
    {
      if (this->function!="")
        cout << "Call to undefined function " << this->function;
      else
        cout << "An undefined function was called";
      cout << "." << endl;
      if (this->comment!="")
        cout << "   " << this->comment << endl;
      cout << endl;
    }

  };

  
}  // namespace SeldonData.


#define FILE_SELDONDATA_ERRORS_HXX
#endif

---