ossimNitfTagInformation.h

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//*******************************************************************
// Copyright (C) 2000 ImageLinks Inc. 
//
// License: MIT
//
// Author: Garrett Potts
// 
// Description: Nitf support class
// 
//********************************************************************
// $Id$

#ifndef ossimNitfTagInformation_HEADER
#define ossimNitfTagInformation_HEADER 1

#include <ossim/base/ossimObject.h>
#include <ossim/base/ossimIosFwd.h>
#include <ossim/support_data/ossimNitfRegisteredTag.h>

class ossimString;

class OSSIMDLLEXPORT ossimNitfTagInformation : public ossimObject
{
public:
   ossimNitfTagInformation(ossimRefPtr<ossimNitfRegisteredTag> tagData = 0);
   virtual ~ossimNitfTagInformation();
   
   virtual void parseStream(ossim::istream& in);
   virtual void writeStream(ossim::ostream& out);

   void setTagName(const ossimString& tagName);
   void setTagLength(ossim_uint32 tagLength);

   ossim_uint32 getTotalTagLength()const;

   ossim_uint32 getTagLength()const;
   ossim_uint64 getTagOffset()const;
   ossim_uint64 getTagDataOffset()const;
   
   ossimString   getTagName()const;
   virtual std::ostream& print(std::ostream& out)const;
   void clearFields();
   
   ossimRefPtr<ossimNitfRegisteredTag> getTagData();
   const ossimRefPtr<ossimNitfRegisteredTag> getTagData()const;
   void setTagData(ossimRefPtr<ossimNitfRegisteredTag> tagData);
   ossimString getTagType() const;
   void setTagType(const ossimString& tagType) const;

   bool operator<(const ossimNitfTagInformation& rhs) const
   {
      return getTotalTagLength() < rhs.getTotalTagLength();
   }
   
private:

   char          theTagName[7];

   char           theTagLength[6];

   mutable char theTagType[7];

   ossim_uint64 theTagOffset;

   ossim_uint64 theTagDataOffset;

   ossimRefPtr<ossimNitfRegisteredTag> theTagData;
};

#endif