RangeParser.h

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// $Id: RangeParser.h,v 1.1 2013/11/19 23:54:10 eml Exp $

#ifndef SZA_UTIL_RANGEPARSER_H
#define SZA_UTIL_RANGEPARSER_H

#include "carma/szautil/String.h"

#include <vector>

namespace sza {
  namespace util {

    class RangeParser {
    public:

      std::vector<unsigned> extractIndexRange(sza::util::String& antStr, unsigned lowestValid, unsigned highestValid,
                                              unsigned baseIndex=0, bool actualIndex=true);

      unsigned parseIndexExpression(sza::util::String& str, 
                                    unsigned baseIndex,   unsigned actualIndex, 
                                    unsigned lowestValid, unsigned highestValid);

      void parseIndexOperands(sza::util::String& str, unsigned& op1, unsigned& op2, std::string op,
                              unsigned baseIndex,   unsigned actualIndex, 
                              unsigned lowestValid, unsigned highestValid);

      void addIndex(std::vector<unsigned>& indices, unsigned index, unsigned lowestValid, unsigned highestValid);

      unsigned firstEvenIndex(unsigned lowestValid, unsigned highestValid);
      unsigned firstOddIndex(unsigned lowestValid, unsigned highestValid);

    }; // End class RangeParser

  } // End namespace util
} // End namespace sza



#endif // End #ifndef SZA_UTIL_RANGEPARSER_H