---

Exception.H

Go to the documentation of this file.

#ifndef EXCEPTION_H
#define EXCEPTION_H
#include <strstream>
#include <string>

using namespace std;

namespace xchen
{
  class Error 
  {
  public:
      typedef enum ErrOp { MEM_EXHAUST = 1, BAD_VALUE, UNDER_FLOW, OVER_FLOW };

      Error(ErrOp e) : error(e) { }
      string ErrorMessage() const;
      ErrOp error;
  };

  class ArrayError : public Error 
  {
      int idx;
  public:
      ArrayError(enum ErrOp e, int i) : Error(e), idx(i) { }
      string ErrorMessage() const { strstream s; s << "Index: " <<  idx << " " <<  ends; return s.str() + Error::ErrorMessage(); }
  };


  inline string Error :: ErrorMessage() const 
  {
    switch(error) 
    {
      case MEM_EXHAUST : return "memory exhaused"; 
      case BAD_VALUE   : return "bad value";
      case UNDER_FLOW  : return "array index under flow";
      case OVER_FLOW   : return "array index over flow";
    }
    return "";
  }
 
}

#endif

---