--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Framework/Common/Dictionary.h	Wed Jul 04 08:16:29 2018 +0200
@@ -0,0 +1,60 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital of Liege, Belgium
+ * Copyright (C) 2017-2018 Osimis S.A., Belgium
+ *
+ * This program is free software: you can redistribute it and/or
+ * modify it under the terms of the GNU Affero General Public License
+ * as published by the Free Software Foundation, either version 3 of
+ * the License, or (at your option) any later version.
+ *
+ * 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
+ * Affero General Public License for more details.
+ * 
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ **/
+
+
+#pragma once
+
+#include "IValue.h"
+
+#include <map>
+
+namespace OrthancDatabases
+{
+  class Dictionary : public boost::noncopyable
+  {
+  private:
+    typedef std::map<std::string, IValue*>   Values;
+
+    Values  values_;
+
+  public:
+    ~Dictionary();
+
+    bool HasKey(const std::string& key) const;
+
+    void Remove(const std::string& key);
+
+    void SetValue(const std::string& key,
+                  IValue* value);   // Takes ownership
+
+    void SetUtf8Value(const std::string& key,
+                      const std::string& utf8);
+
+    void SetBinaryValue(const std::string& key,
+                        const std::string& binary);
+
+    void SetIntegerValue(const std::string& key,
+                         int64_t value);
+
+    void SetNullValue(const std::string& key);
+
+    const IValue& GetValue(const std::string& key) const;
+  };
+}