--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/DicomParsing/DicomModification.h	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,201 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2020 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation, either version 3 of the
+ * License, or (at your option) any later version.
+ *
+ * In addition, as a special exception, the copyright holders of this
+ * program give permission to link the code of its release with the
+ * OpenSSL project's "OpenSSL" library (or with modified versions of it
+ * that use the same license as the "OpenSSL" library), and distribute
+ * the linked executables. You must obey the GNU General Public License
+ * in all respects for all of the code used other than "OpenSSL". If you
+ * modify file(s) with this exception, you may extend this exception to
+ * your version of the file(s), but you are not obligated to do so. If
+ * you do not wish to do so, delete this exception statement from your
+ * version. If you delete this exception statement from all source files
+ * in the program, then also delete it here.
+ * 
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "ParsedDicomFile.h"
+
+namespace Orthanc
+{
+  class DicomModification : public boost::noncopyable
+  {
+    /**
+     * Process:
+     * (1) Remove private tags
+     * (2) Remove tags specified by the user
+     * (3) Replace tags
+     **/
+
+  public:
+    enum TagOperation
+    {
+      TagOperation_Keep,
+      TagOperation_Remove
+    };
+
+    class IDicomIdentifierGenerator : public boost::noncopyable
+    {
+    public:
+      virtual ~IDicomIdentifierGenerator()
+      {
+      }
+
+      virtual bool Apply(std::string& target,
+                         const std::string& sourceIdentifier,
+                         ResourceType level,
+                         const DicomMap& sourceDicom) = 0;                       
+    };
+
+  private:
+    class RelationshipsVisitor;
+
+    typedef std::set<DicomTag> SetOfTags;
+    typedef std::map<DicomTag, Json::Value*> Replacements;
+    typedef std::map< std::pair<ResourceType, std::string>, std::string>  UidMap;
+
+    SetOfTags removals_;
+    SetOfTags clearings_;
+    Replacements replacements_;
+    bool removePrivateTags_;
+    ResourceType level_;
+    UidMap uidMap_;
+    SetOfTags privateTagsToKeep_;
+    bool allowManualIdentifiers_;
+    bool keepStudyInstanceUid_;
+    bool keepSeriesInstanceUid_;
+    bool keepSopInstanceUid_;
+    bool updateReferencedRelationships_;
+    bool isAnonymization_;
+    DicomMap currentSource_;
+    std::string privateCreator_;
+
+    IDicomIdentifierGenerator* identifierGenerator_;
+
+    std::string MapDicomIdentifier(const std::string& original,
+                                   ResourceType level);
+
+    void RegisterMappedDicomIdentifier(const std::string& original,
+                                       const std::string& mapped,
+                                       ResourceType level);
+
+    void MapDicomTags(ParsedDicomFile& dicom,
+                      ResourceType level);
+
+    void MarkNotOrthancAnonymization();
+
+    void ClearReplacements();
+
+    bool CancelReplacement(const DicomTag& tag);
+
+    void ReplaceInternal(const DicomTag& tag,
+                         const Json::Value& value);
+
+    void SetupAnonymization2008();
+
+    void SetupAnonymization2017c();
+
+    void UnserializeUidMap(ResourceType level,
+                           const Json::Value& serialized,
+                           const char* field);
+
+  public:
+    DicomModification();
+
+    DicomModification(const Json::Value& serialized);
+
+    ~DicomModification();
+
+    void Keep(const DicomTag& tag);
+
+    void Remove(const DicomTag& tag);
+
+    // Replace the DICOM tag as a NULL/empty value (e.g. for anonymization)
+    void Clear(const DicomTag& tag);
+
+    bool IsRemoved(const DicomTag& tag) const;
+
+    bool IsCleared(const DicomTag& tag) const;
+
+    // "safeForAnonymization" tells Orthanc that this replacement does
+    // not break the anonymization process it implements (for internal use only)
+    void Replace(const DicomTag& tag,
+                 const Json::Value& value,   // Encoded using UTF-8
+                 bool safeForAnonymization);
+
+    bool IsReplaced(const DicomTag& tag) const;
+
+    const Json::Value& GetReplacement(const DicomTag& tag) const;
+
+    std::string GetReplacementAsString(const DicomTag& tag) const;
+
+    void SetRemovePrivateTags(bool removed);
+
+    bool ArePrivateTagsRemoved() const
+    {
+      return removePrivateTags_;
+    }
+
+    void SetLevel(ResourceType level);
+
+    ResourceType GetLevel() const
+    {
+      return level_;
+    }
+
+    void SetupAnonymization(DicomVersion version);
+
+    void Apply(ParsedDicomFile& toModify);
+
+    void SetAllowManualIdentifiers(bool check)
+    {
+      allowManualIdentifiers_ = check;
+    }
+
+    bool AreAllowManualIdentifiers() const
+    {
+      return allowManualIdentifiers_;
+    }
+
+    void ParseModifyRequest(const Json::Value& request);
+
+    void ParseAnonymizationRequest(bool& patientNameReplaced,
+                                   const Json::Value& request);
+
+    void SetDicomIdentifierGenerator(IDicomIdentifierGenerator& generator)
+    {
+      identifierGenerator_ = &generator;
+    }
+
+    void Serialize(Json::Value& value) const;
+
+    void SetPrivateCreator(const std::string& privateCreator)
+    {
+      privateCreator_ = privateCreator;
+    }
+
+    const std::string& GetPrivateCreator()
+    {
+      return privateCreator_;
+    }
+  };
+}