BoostArrayAsProperty.h

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#pragma once
 
#include <Gaudi/Parsers/CommonParsers.h>
#include <algorithm>
#include <boost/array.hpp>
 
// ============================================================================
// 1) Streamers : value -> string
// ============================================================================
namespace Gaudi {
  namespace Utils {
    template <class ITERATOR>
    inline std::ostream& toStream( ITERATOR           first,   // begin of the sequence
                                   ITERATOR           last,    //   end of the sequence
                                   std::ostream&      s,       //            the stream
                                   const std::string& open,    //               opening
                                   const std::string& close,   //               closing
                                   const std::string& delim ); //             delimiter
    template <class TYPE, std::size_t N>
    inline std::ostream& toStream( const boost::array<TYPE, N>& obj, std::ostream& s ) {
      return toStream( obj.begin(), obj.end(), s, "( ", " )", " , " );
    }
  } // namespace Utils
} // namespace Gaudi
// ============================================================================
// 2) Parsers: string -> value
// ============================================================================
namespace Gaudi {
  namespace Parsers {
    template <class TYPE, std::size_t N>
    StatusCode parse( boost::array<TYPE, N>& result, std::string_view input ) {
      typedef std::vector<TYPE> _Vct;
      // create the temporaty vector
      _Vct tmp;
      // parse the string
      StatusCode sc = parse( tmp, input );
      if ( sc.isFailure() ) { return sc; }
      if ( N != tmp.size() ) { return StatusCode::FAILURE; }
      // copy vector into array
      std::copy( tmp.begin(), tmp.end(), result.begin() );
      //
      return StatusCode::SUCCESS;
    }
  } // namespace Parsers
} // namespace Gaudi