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0001 /***********************************************************************************\ 0002 * (c) Copyright 1998-2019 CERN for the benefit of the LHCb and ATLAS collaborations * 0003 * * 0004 * This software is distributed under the terms of the Apache version 2 licence, * 0005 * copied verbatim in the file "LICENSE". * 0006 * * 0007 * In applying this licence, CERN does not waive the privileges and immunities * 0008 * granted to it by virtue of its status as an Intergovernmental Organization * 0009 * or submit itself to any jurisdiction. * 0010 \***********************************************************************************/ 0011 #ifndef GAUDI_NAMEDRANGE_H 0012 #define GAUDI_NAMEDRANGE_H 1 0013 // ============================================================================ 0014 // Include files 0015 // ============================================================================ 0016 // STD & STL 0017 // ============================================================================ 0018 #include <string> 0019 // ============================================================================ 0020 // GaudiUtils 0021 // ============================================================================ 0022 #include "GaudiKernel/Range.h" 0023 // ============================================================================ 0024 /** @file 0025 * 0026 * This file has been imported from 0027 * <a href="http://savannah.cern.ch/projects/loki">LoKi project</a> 0028 * <a href="http://cern.ch/lhcb-comp/Analysis/Loki"> 0029 * "C++ ToolKit for Smart and Friendly Physics Analysis"</a> 0030 * 0031 * The package has been designed with the kind help from 0032 * Galina PAKHLOVA and Sergey BARSUK. Many bright ideas, 0033 * contributions and advices from G.Raven, J.van Tilburg, 0034 * A.Golutvin, P.Koppenburg have been used in the design. 0035 * 0036 * @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl 0037 * @date 2001-01-23 0038 */ 0039 // ============================================================================ 0040 namespace Gaudi { 0041 // ========================================================================== 0042 /** @class NamedRange NamedRange.h GaudiUtils/NamedRange.h 0043 * 0044 * New concept of "named" range : range with name 0045 * 0046 * @see Gaudi::Range_ 0047 * 0048 * @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl 0049 * @date 2004-11-19 0050 */ 0051 template <class CONTAINER, class ITERATOR = typename Gaudi::details::container<CONTAINER>::Iterator> 0052 class NamedRange_ : public Gaudi::Range_<CONTAINER, ITERATOR> { 0053 protected: 0054 // ======================================================================== 0055 /// the base class 0056 typedef Gaudi::Range_<CONTAINER, ITERATOR> Base; 0057 /// "self"-type 0058 typedef NamedRange_<CONTAINER, ITERATOR> Self; 0059 // ======================================================================== 0060 public: 0061 // ======================================================================== 0062 /// default constructor 0063 NamedRange_() = default; 0064 /** Constructor 0065 * @param ibegin iterator to begin of the sequence 0066 * @param iend iterator to end of the sequence 0067 * @param name name of the range 0068 */ 0069 NamedRange_( typename Base::iterator ibegin, typename Base::iterator iend, std::string name = "" ) 0070 : Base( ibegin, iend ), m_name( std::move( name ) ){}; 0071 /** constructor from the base class 0072 * @param base base objects 0073 * @param name name of the range 0074 */ 0075 NamedRange_( const Base& base, std::string name = "" ) : Base( base ), m_name( std::move( name ) ){}; 0076 /** constructor from the base class 0077 * @param base base objects 0078 * @param name name of the range 0079 */ 0080 NamedRange_( const typename Base::Base& base, std::string name = "" ) : Base( base ), m_name( std::move( name ) ){}; 0081 /** constructor from the base class 0082 * @param base base objects 0083 * @param name name of the range 0084 */ 0085 NamedRange_( const typename Base::Container& base, std::string name = "" ) 0086 : Base( base ), m_name( std::move( name ) ){}; 0087 /* constructor of empty range/sequence 0088 * @param ibegin iterator to begin of empty sequence 0089 * @param name name of the range 0090 */ 0091 NamedRange_( typename Base::iterator ibegin, std::string name = "" ) 0092 : Base( ibegin, ibegin ), m_name( std::move( name ) ){}; 0093 /// destructor 0094 ~NamedRange_() = default; 0095 // ======================================================================== 0096 public: 0097 // ======================================================================== 0098 /// get a "slice" of a range, in Python style 0099 NamedRange_ slice( long index1, long index2 ) const { return NamedRange_( Base::slice( index1, index2 ), m_name ); } 0100 // ======================================================================== 0101 public: 0102 // ======================================================================== 0103 /// get the name of the range 0104 const std::string& name() const { return m_name; } 0105 /// set the name of the range 0106 void setName( std::string value ) { m_name = std::move( value ); } 0107 // ======================================================================== 0108 using Base::operator==; 0109 0110 private: 0111 // ======================================================================== 0112 /// the name, associated to the range 0113 std::string m_name; // the name associated to the range 0114 // ======================================================================== 0115 }; 0116 // ========================================================================== 0117 /** simple function to create the named range from arbitrary container 0118 * @code 0119 * 0120 * const CONTAINER& cnt = ... ; 0121 * auto r = range ( cnt , "some name") ; 0122 * 0123 * @endcode 0124 * @author Vanya BELYAEV Ivan.Belyaev@nikhef.nl 0125 * @date 2007-11-29 0126 */ 0127 template <class CONTAINER> 0128 NamedRange_<CONTAINER> range( const CONTAINER& cnt, std::string name ) { 0129 return NamedRange_<CONTAINER>( cnt.begin(), cnt.end(), std::move( name ) ); 0130 } 0131 // ========================================================================== 0132 } // end of namespace Gaudi 0133 // ============================================================================ 0134 // The END 0135 // ============================================================================ 0136 #endif // GAUDI_NAMEDRANGE_H
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