cASNSequence.h

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//
 
#ifndef _INC_cASNSequence_H
#define _INC_cASNSequence_H
#ifndef NO_PRAGMA_ONCE
#pragma once
#endif
 
#include "cASNReader.h"
#include "GrayCore/include/StrBuilder.h"
 
namespace GrayLib
{
        class cASNWriterRev;
 
        class GRAYLIB_LINK cASNSequence : public cASNBuf
        {
        public:
                cASNSequence* m_pNextSeq;       
                cASNSequence* m_pChildSeq;      
 
        private:
                static void FreeASNSequence(cASNSequence* pCur)
                {
                        while (pCur != nullptr)
                        {
                                cASNSequence* pNext = pCur->m_pNextSeq;
                                pCur->m_pNextSeq = nullptr;     // clear early so destructor won't do its own free.
                                delete pCur;
                                pCur = pNext;
                        }
                }
 
        public:
                cASNSequence() noexcept
                        : m_pNextSeq(nullptr)
                        , m_pChildSeq(nullptr)
                {
                }
                ~cASNSequence()
                {
                        FreeASNSequence(m_pChildSeq);
                }
 
                void SetEmptySeq()
                {
                        SetEmptyBuf();
                        cASNSequence* pNext = m_pNextSeq;
                        m_pNextSeq = nullptr;
                        FreeASNSequence(pNext);
                }
 
                HRESULT GetDescriptionSeq(StrBuilder& s, const char* pszSep = nullptr, bool bTypeLabel = false, int iLevel = 0) const;
 
                HRESULT ReadSequence1(ASN_t nTagExpected, cASNReader& r);
                HRESULT ReadSequence(ASN_t nTagExpected, cASNReader& r);
                HRESULT WriteSequence(cASNWriterRev& w);
        };
}
 
#endif