SignatureHandler.h

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//---------------------------------------------------------------------------------------
// Copyright (c) 2001-2025 by Apryse Software Inc. All Rights Reserved.
// Consult legal.txt regarding legal and license information.
//---------------------------------------------------------------------------------------
#ifndef PDFTRON_H_CPPSDFSignatureHandler
#define PDFTRON_H_CPPSDFSignatureHandler
 
#include <vector>
#include <Common/BasicTypes.h>
#include <Common/UString.h>
#include <SDF/Obj.h>
#include <C/Common/TRN_Types.h>
#include <C/SDF/TRN_SignatureHandler.h>
 
namespace pdftron {
namespace SDF {

typedef size_t SignatureHandlerId;

class SignatureHandler
{
public:
    virtual UString GetName() const;
    
    virtual void AppendData(const std::vector<pdftron::UInt8>& data);
    
    virtual bool Reset();
    
    virtual std::vector<pdftron::UInt8> CreateSignature();

    virtual SignatureHandler* Clone() const = 0;

    virtual ~SignatureHandler();
 
#ifndef SWIGHIDDEN_SIG
    static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerGetNameImpl(TRN_UString* out_name, void* derived);
    static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerAppendDataImpl(const TRN_SignatureData in_data, void* derived);
    static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerResetImpl(TRN_Bool* out_result, void* derived);
    static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerCreateSignatureImpl(TRN_SignatureData* out_signature, void* derived);
    //static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerValidateSignatureImpl(TRN_Obj in_sig_dict, TRN_ValidateSignatureResult* out_result, void* derived);
    static TRN_Exception TRN_SIGAPI TRN_SignatureHandlerDestroyImpl(void* derived);
 
    std::vector<pdftron::UInt8> m_signature_data;
#endif // SWIGHIDDEN_SIG
}; // class SignatureHandler
 
}; // namespace SDF
}; // namespace pdftron
 
#include <Impl/SignatureHandler.inl>
 
#endif // PDFTRON_H_CPPSDFSignatureHandler