Identifier32.h

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/*
  Copyright (C) 2002-2026 CERN for the benefit of the ATLAS collaboration
*/
 
#ifndef __Identifier32_h__
#define __Identifier32_h__
 
 
#include <vector>
#include <string>
#include <iosfwd>
 
class MsgStream;

class Identifier32{
public:
    using id_type = Identifier32;
    using value_type = unsigned int;
    using size_type = unsigned int;
 
    Identifier32 () = default;

    inline explicit Identifier32 (value_type value):m_id(value){}

    Identifier32& operator |= (value_type value);
    Identifier32& operator &= (value_type value);

    inline void clear () {m_id = m_maxValue;}

    inline value_type  get_compact  () const{ return m_id;}
    
    //All comparisons, since C++20
    auto operator<=>(const Identifier32&) const = default;
   
    inline bool is_valid () const {return m_id != m_maxValue;}

    std::string  getString() const;

    void show (std::ostream & out) const;
    void show (MsgStream & out) const;
    
    //convert to string representation
    explicit operator std::string() const {return getString();}
 
private:
    static constexpr value_type m_maxValue{0xFFFFFFFF};
    value_type m_id{m_maxValue};
};
 
 
inline Identifier32&                                   
Identifier32::operator |= (unsigned int value){
    m_id |= value;
    return (*this);
}
 
inline Identifier32& 
Identifier32::operator &= (unsigned int value){
    m_id &= value;
    return (*this);
}
 
//stream insertion
std::ostream & operator << (std::ostream &out, const Identifier32 &c);
 
 
 
#endif