PKIFReversePathState.h

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#ifndef __PKIFREVERSEPATHSTATE_H__
#define __PKIFREVERSEPATHSTATE_H__

#include "PKIFdll.h"
#include "PKIFEnums.h"
#include "CertificatePathState.h"
#include "IPKIFTrustAnchor.h"
#include <vector>

FD_LIST_PTR(CPKIFTrustRoot);
FD_LIST_PTR(IPKIFTrustAnchor);
FD_SMART_PTR(CPKIFCertificateNodeListWithSourceInfo);
FD_LIST_PTR(CPKIFNameAndKeyWithScore);
FD_LIST_PTR(CPKIFCertificateSource);
FD_SMART_PTR(CPKIFCertificate);
FD_SMART_PTR(IPKIFNameAndKey);
FD_SMART_PTR(CPKIFPathSettings);

class CPKIFReversePathState : public CPKIFCertificatePathState
{
    friend class CPKIFReversiblePathBuilder;
    friend struct CPKIFReversiblePathBuilderImpl;

public:
    virtual ~CPKIFReversePathState(void);

    void SetTrustRoot(const IPKIFTrustAnchorList& rootList);// {m_rootList.clear(); copy(rootList.begin(), rootList.end(), back_inserter(m_rootList));}
    void ClearState();

private:
    CPKIFReversePathState(const CPKIFReversePathState& copy);
    CPKIFReversePathState& operator=(const CPKIFReversePathState& rhs);

    CPKIFReversePathState(void);

    //m_table is the primary component used by the path builder.  when building in the forward
    //direction, the front position is occupied by the set of candidate target certificates (typically one).  
    //when building in the reverse direction, the front position is occupied by the set of trust anchors.
    //Thus, the nearest position is closest to the target (or is the target), the furtherest position is 
    //closest to the trust anchor (or is a trust anchor).
    std::vector<CPKIFNameAndKeyWithScoreListPtr> m_table;   
    std::vector<CPKIFCertificateSourceListPtr> m_sourceTable;  //MUST BE KEPT IN SYNC WITH m_table

    //for convenience, we maintain the current target here instead of taking it in and out of the CPKIFCertificatePath object
    CPKIFCertificatePtr m_targetCert;
    IPKIFNameAndKeyPtr m_targetCertAsNameAndKey;

    PathBuildingDirection m_direction;

    bool m_bTableIsComplete;
    bool m_bBuildStarted;

    IPKIFTrustAnchorPtr m_curRoot;
    CPKIFPathSettingsPtr m_pathSettings;

    PKIInfoSource m_sources;
};
DECLARE_SMART_POINTERS(CPKIFReversePathState);
#endif