GraphException.hpp

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// vim:sw=2:ts=8
#ifndef GRAPHEXCEPTION__HPP
#define GRAPHEXCEPTION__HPP


#include <iostream>


namespace gns {

  #define GraphEx(ex) GraphException(GraphException::ex, "", __LINE__, __FILE__)

  #define GraphExMsg(ex, msg) GraphException(GraphException::ex, msg, __LINE__, __FILE__)


  class GraphException
  {
    public:
      enum error {
        undefined,         
        invalid_node,      
        invalid_node_id,   
        duplicate_node_id, 
        invalid_edge,      
        invalid_edge_id,   
        duplicate_edge_id, 
        duplicate_id,      
        invalid_id,        
        invalid_property,  
        invalid_property_type, 
        cannot_step,       
      };
      const static char* messages[];  
    private:
      int e;            
      std::string msg;  
      int line;         
      const char *file; 
    public:
      GraphException();
      GraphException(error e, std::string msg, const int line = 0, const char *file = NULL);
      GraphException(const GraphException &ex);

      virtual ~GraphException();

      virtual void halt();

      virtual void print();

      virtual std::string message();

      virtual error exception();
  };


}

#endif

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