--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Core/DicomParsing/DicomWebJsonVisitor.h	Wed Feb 06 15:21:32 2019 +0100
@@ -0,0 +1,164 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2019 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
+
+#if !defined(ORTHANC_ENABLE_PUGIXML)
+#  error Macro ORTHANC_ENABLE_PUGIXML must be defined to use this file
+#endif
+
+#if ORTHANC_ENABLE_PUGIXML == 1
+#  include <pugixml.hpp>
+#endif
+
+#include "ITagVisitor.h"
+
+#include <json/value.h>
+
+
+namespace Orthanc
+{
+  class DicomWebJsonVisitor : public ITagVisitor
+  {
+  public:
+    enum BinaryMode
+    {
+      BinaryMode_Ignore,
+      BinaryMode_BulkDataUri,
+      BinaryMode_InlineBinary
+    };
+    
+    class IBinaryFormatter : public boost::noncopyable
+    {
+    public:
+      virtual ~IBinaryFormatter()
+      {
+      }
+
+      virtual BinaryMode Format(std::string& bulkDataUri,
+                                const std::vector<DicomTag>& parentTags,
+                                const std::vector<size_t>& parentIndexes,
+                                const DicomTag& tag,
+                                ValueRepresentation vr) = 0;
+    };
+    
+  private:
+    Json::Value        result_;
+    IBinaryFormatter  *formatter_;
+
+    static std::string FormatTag(const DicomTag& tag);
+    
+    Json::Value& CreateNode(const std::vector<DicomTag>& parentTags,
+                            const std::vector<size_t>& parentIndexes,
+                            const DicomTag& tag);
+
+    static Json::Value FormatInteger(int64_t value);
+
+    static Json::Value FormatDouble(double value);
+
+  public:
+    DicomWebJsonVisitor() :
+      formatter_(NULL)
+    {
+      Clear();
+    }
+
+    void SetFormatter(IBinaryFormatter& formatter)
+    {
+      formatter_ = &formatter;
+    }
+    
+    void Clear()
+    {
+      result_ = Json::objectValue;
+    }
+
+    const Json::Value& GetResult() const
+    {
+      return result_;
+    }
+
+#if ORTHANC_ENABLE_PUGIXML == 1
+    void FormatXml(pugi::xml_document& target) const;
+#endif
+
+    virtual void VisitNotSupported(const std::vector<DicomTag>& parentTags,
+                                   const std::vector<size_t>& parentIndexes,
+                                   const DicomTag& tag,
+                                   ValueRepresentation vr)
+      ORTHANC_OVERRIDE
+    {
+    }
+
+    virtual void VisitEmptySequence(const std::vector<DicomTag>& parentTags,
+                                    const std::vector<size_t>& parentIndexes,
+                                    const DicomTag& tag)
+      ORTHANC_OVERRIDE;
+
+    virtual void VisitBinary(const std::vector<DicomTag>& parentTags,
+                             const std::vector<size_t>& parentIndexes,
+                             const DicomTag& tag,
+                             ValueRepresentation vr,
+                             const void* data,
+                             size_t size)
+      ORTHANC_OVERRIDE;
+
+    virtual void VisitIntegers(const std::vector<DicomTag>& parentTags,
+                               const std::vector<size_t>& parentIndexes,
+                               const DicomTag& tag,
+                               ValueRepresentation vr,
+                               const std::vector<int64_t>& values)
+      ORTHANC_OVERRIDE;
+
+    virtual void VisitDoubles(const std::vector<DicomTag>& parentTags,
+                              const std::vector<size_t>& parentIndexes,
+                              const DicomTag& tag,
+                              ValueRepresentation vr,
+                              const std::vector<double>& values)
+      ORTHANC_OVERRIDE;
+
+    virtual void VisitAttributes(const std::vector<DicomTag>& parentTags,
+                                 const std::vector<size_t>& parentIndexes,
+                                 const DicomTag& tag,
+                                 const std::vector<DicomTag>& values)
+      ORTHANC_OVERRIDE;
+
+    virtual Action VisitString(std::string& newValue,
+                               const std::vector<DicomTag>& parentTags,
+                               const std::vector<size_t>& parentIndexes,
+                               const DicomTag& tag,
+                               ValueRepresentation vr,
+                               const std::string& value)
+      ORTHANC_OVERRIDE;
+  };
+}