kynPathDataMetafileRecord.h

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/*******************************************************************************
** Copyright (c) 2025 MAK Technologies, Inc.
** All rights reserved.
*******************************************************************************/
/*******************************************************************************
** $RCSfile:  $ $Revision: $ $State: $
*******************************************************************************/


#ifndef kynPathDataMetafileRec_h
#define kynPathDataMetafileRec_h

#include "terrainDbFactory/additionalDataRecord.h"
#include <iosfwd>
#include <list>
#include "terrainDbFactory/terrainDefines.h"

class DtKynPathDataMetafileRecord;

typedef void (*DtKynPathDataMetafileRecordCallback)(DtKynPathDataMetafileRecord* record, 
                                                   void* usr);

class DT_DLL_terrainDbFactory DtKynPathDataMetafileRecord : public DtAdditionalDataRecord
{
public:

   DtKynPathDataMetafileRecord();

   virtual ~DtKynPathDataMetafileRecord() override;

   DtKynPathDataMetafileRecord(const DtKynPathDataMetafileRecord& orig);

   DtKynPathDataMetafileRecord& operator=(const DtKynPathDataMetafileRecord& orig);

   virtual bool init() override;

   virtual bool get(std::istream &stream) override;

   // identifies a token or passes it to the base class.
   virtual bool processToken(std::istream &stream, DtString &token) override;

   virtual DtString recordTypeName() const override;

   // \return true.
   virtual bool includeInMtd() const override;

   virtual void setPDGName(const DtString& name);
   virtual DtString PDGName() const;
   virtual void setPDGPath(const DtString& path);
   virtual DtString PDGPath() const;
   virtual void setRelativePathCheck(const bool arg);
   virtual bool RelativePathCheck() const;
   virtual void setPDGType(const DtString& type);
   virtual DtString PDGType() const;
   virtual void setObjectType(const DtString& objectType);
   virtual DtString objectType() const;

   static void addPostReadCallback(DtKynPathDataMetafileRecordCallback, void* usr);
   static void removePostReadCallback(DtKynPathDataMetafileRecordCallback, void* usr);

   static DtMetafileRecord * create();

protected:
   // Write self to stream.
   virtual bool writeAttributes(std::ostream &stream) const override;
   virtual bool getAttribute(const DtString attrName, DtString &value,
                            unsigned index = 0) override;
   virtual bool setToken(const DtString &token, const DtString value) override;

   // Invokes all the postReadCallbacks currently on the list passing 'this'
   // as the argument.
   virtual void invokePostReadCallbacks();

protected:
   static const DtString thePDGName;
   static const DtString thePDGPath;
   static const DtString theRelativePathCheck;
   static const DtString thePathDataType;
   static const DtString theObjectType;

   DtString myPDGName;
   DtString myPDGPath;
   bool myRelativePathCheck;
   DtString myPathDataType;
   DtString myObjectType;

   typedef std::pair<DtKynPathDataMetafileRecordCallback, void*> DtCallbackInfo;
   typedef std::list<DtCallbackInfo> DtCallbackInfoList;
   static DtCallbackInfoList thePostReadCallbackList;
};

#endif