NamedRange.h

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* (c) Copyright 1998-2026 CERN for the benefit of the LHCb and ATLAS collaborations *
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* This software is distributed under the terms of the Apache version 2 licence,     *
* copied verbatim in the file "LICENSE".                                            *
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#pragma once
 
#include <GaudiKernel/Range.h>
#include <string>

namespace Gaudi {
  template <class CONTAINER>
  class NamedRange_ : public Gaudi::Range_<CONTAINER> {
  protected:
    typedef Gaudi::Range_<CONTAINER> Base;
    typedef NamedRange_<CONTAINER> Self;
 
  public:
    NamedRange_() = default;
    NamedRange_( typename Base::iterator ibegin, typename Base::iterator iend, std::string name = "" )
        : Base( ibegin, iend ), m_name( std::move( name ) ) {}

    NamedRange_( const Base& base, std::string name = "" ) : Base( base ), m_name( std::move( name ) ) {}
    NamedRange_( const typename Base::Base& base, std::string name = "" ) : Base( base ), m_name( std::move( name ) ) {}
    NamedRange_( const typename Base::Container& base, std::string name = "" )
        : Base( base ), m_name( std::move( name ) ) {}
    /* constructor of empty range/sequence
     * @param ibegin  iterator to begin of empty sequence
     *  @param name name of the range
     */
    NamedRange_( typename Base::iterator ibegin, std::string name = "" )
        : Base( ibegin, ibegin ), m_name( std::move( name ) ) {}
 
    ~NamedRange_() = default;
 
  public:
    NamedRange_ slice( long index1, long index2 ) const { return NamedRange_( Base::slice( index1, index2 ), m_name ); }
 
  public:
    const std::string& name() const { return m_name; }
    void setName( std::string value ) { m_name = std::move( value ); }
    using Base::operator==;
 
  private:
    std::string m_name; // the name associated to the range
  };

  template <class CONTAINER>
  NamedRange_<CONTAINER> range( const CONTAINER& cnt, std::string name ) {
    return NamedRange_<CONTAINER>( cnt.begin(), cnt.end(), std::move( name ) );
  }
} // namespace Gaudi