IRscReadEnumerator.hxx

//
//  Copyright PHOENIX CONTACT Electronics GmbH
//
#pragma once
#include "Arp/System/Core/Arp.h"
 
namespace Arp { namespace System { namespace Rsc { namespace Services
{
 
// forwards
class RscArrayReader;
 
template<class T>
class IRscReadEnumerator
{
public: // typedefs
    typedef std::shared_ptr<IRscReadEnumerator> Ptr;
 
protected: // construction/destruction
    IRscReadEnumerator(void) = default;
 
    virtual ~IRscReadEnumerator(void) = default;
 
public: // abstract operations
    virtual size_t      BeginRead(void) = 0;
 
    virtual bool        ReadNext(T& current) = 0;
 
    virtual bool        ReadNext(RscArrayReader& current) = 0;
 
    virtual void        EndRead(void) = 0;
 
protected: // deleted methods
    IRscReadEnumerator(const IRscReadEnumerator& arg) = default;
    IRscReadEnumerator& operator=(const IRscReadEnumerator& arg) = default;
 
public:
    static constexpr size_t UndefinedArrayLength = std::numeric_limits<size_t>::max();
};
 
}}}} // end of namespace Arp::System::Rsc::Services