gdcmAnonymizer.h

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/*=========================================================================
 
  Program: GDCM (Grassroots DICOM). A DICOM library
 
  Copyright (c) 2006-2011 Mathieu Malaterre
  All rights reserved.
  See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html for details.
 
     This software is distributed WITHOUT ANY WARRANTY; without even
     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
     PURPOSE.  See the above copyright notice for more information.
 
=========================================================================*/
#ifndef GDCMANONYMIZER_H
#define GDCMANONYMIZER_H
 
#include "gdcmFile.h"
#include "gdcmSubject.h"
#include "gdcmEvent.h"
#include "gdcmSmartPointer.h"
 
#include <map>
 
namespace gdcm
{
class TagPath;
class IOD;
class CryptographicMessageSyntax;
 
class GDCM_EXPORT Anonymizer : public Subject
{
public:
  Anonymizer():F(new File),CMS(nullptr) {}
  ~Anonymizer() override;
 
  bool Empty( Tag const &t );
 
  bool Empty( PrivateTag const &pt );
 
  bool Clear( Tag const &t );
  bool Clear( PrivateTag const &pt );
 
  bool Remove( Tag const &t );
 
  bool Remove( PrivateTag const &pt );
 
  bool Replace( Tag const &t, const char *value );
  bool Replace( PrivateTag const &t, const char *value );
 
  bool Replace( Tag const &t, const char *value, VL const & vl );
  bool Replace( PrivateTag const &t, const char *value, VL const & vl );
 
  bool RemovePrivateTags();
 
  bool RemoveGroupLength();
 
  bool RemoveRetired();
 
  void SetFile(const File& f) { F = f; }
  //const File &GetFile() const { return *F; }
  File &GetFile() { return *F; }
 
  bool BasicApplicationLevelConfidentialityProfile(bool deidentify = true);
 
  void SetCryptographicMessageSyntax( CryptographicMessageSyntax *cms );
  const CryptographicMessageSyntax *GetCryptographicMessageSyntax() const;
 
  static SmartPointer<Anonymizer> New() { return new Anonymizer; }
 
  static std::vector<Tag> GetBasicApplicationLevelConfidentialityProfileAttributes();
 
  static void ClearInternalUIDs();
 
protected:
  // Internal function used to either empty a tag or set it's value to a dummy value (Type 1 vs Type 2)
  bool BALCPProtect(DataSet &ds, Tag const & tag, const IOD &iod);
  bool CanEmptyTag(Tag const &tag, const IOD &iod) const;
  void RecurseDataSet( DataSet & ds );
 
private:
  bool BasicApplicationLevelConfidentialityProfile1();
  bool BasicApplicationLevelConfidentialityProfile2();
  bool CheckIfSequenceContainsAttributeToAnonymize(File const &file, SequenceOfItems* sqi) const;
 
private:
  // I would prefer to have a smart pointer to DataSet but DataSet does not derive from Object...
  SmartPointer<File> F;
  CryptographicMessageSyntax *CMS;
 
  typedef std::pair< Tag, std::string > TagValueKey;
  typedef std::map< TagValueKey, std::string > DummyMapNonUIDTags;
  typedef std::map< std::string, std::string > DummyMapUIDTags;
  static DummyMapNonUIDTags dummyMapNonUIDTags;
  static DummyMapUIDTags dummyMapUIDTags;
};
 
} // end namespace gdcm
 
#endif //GDCMANONYMIZER_H