SystemCallToHostDirs.h

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/* -*- C++ -*- */
#ifndef _MADARA_SYSTEM_CALL_TO_HOST_DIRS_H_
#define _MADARA_SYSTEM_CALL_TO_HOST_DIRS_H_

#ifndef _MADARA_NO_KARL_

#include <string>
#include <stdexcept>
#include "madara/utility/stdint.h"
#include "madara/expression/SystemCallNode.h"


namespace madara
{
  namespace expression
  {
    // Forward declaration.
    class Visitor;

    class SystemCallToHostDirs : public SystemCallNode
    {
    public:
      SystemCallToHostDirs (
        madara::knowledge::ThreadSafeContext & context,
        const ComponentNodes & nodes);
      
      virtual ~SystemCallToHostDirs (void);

      virtual madara::knowledge::KnowledgeRecord item (void) const;

      virtual madara::knowledge::KnowledgeRecord prune (bool & can_change);

      virtual madara::knowledge::KnowledgeRecord evaluate (
        const madara::knowledge::KnowledgeUpdateSettings & settings);

      virtual void accept (Visitor &visitor) const;
    };
  }
}

#endif // _MADARA_NO_KARL_

#endif /* _MADARA_SYSTEM_CALL_TO_HOST_DIRS_H_ */