/**
 * @module cdatset
 * @author Guenther Neuwirth (0626638), Manuel Mausz (0728348)
 * @brief  Datatype template and datatype definition for CCPU and CMem
 * @date   26.05.2009
 */

#ifndef CDATSET_H
#define CDATSET_H 1

#include <iostream>
#include "cdat.h"

/**
 * @class CDatSet
 *
 * Datatype template for CCPU and CMem.
 */
class CDatSet
  : public CDat<int>, public boost::operators<CDatSet>
{
  public:
    /**
     * @method CDatSet
     * @brief  Default ctor
     * @param  -
     * @return -
     * @globalvars none
     * @exception  bad_alloc
     * @pre  none
     * @post none
     */
    CDatSet()
    {}

    /**
     * @method CDatSet
     * @brief  Copy constructor for int
     * @param  newval  new value for CDatSet
     * @return -
     * @globalvars none
     * @exception  none
     * @pre  none
     * @post none
     */
    CDatSet(const int newval)
      : CDat<int>(newval)
    {}

    /**
     * @method operator>>
     * @brief  Shift/read operator for inputstream
     * @param  stream  reference to inputstream
     * @param  cdat    reference to object which will be read from stream
     * @return reference to inputstream
     * @globalvars none
     * @exception  none
     * @pre  stream != null
     * @post cdat.m_value = count of char 'o'
     */
    friend std::istream& operator>>(std::istream & stream, CDatSet& cdat)
    {
      unsigned count = 0;
      while(stream.good() && !stream.eof())
      {
        int val = stream.get();
        if (val != 'o')
          break;
        ++count;
      }
      stream.clear();
      cdat.m_value = count;
      return stream;
    }
};

#endif

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