--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/ServerToolbox.cpp	Thu Nov 29 10:59:40 2012 +0100
@@ -0,0 +1,97 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012 Medical Physics Department, CHU of Liege,
+ * 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/>.
+ **/
+
+
+#include "ServerToolbox.h"
+
+#include "../Core/OrthancException.h"
+
+namespace Orthanc
+{
+  void ReadJson(Json::Value& target,
+                const FileStorage& storage,
+                const std::string& fileUuid)
+  {
+    std::string s;
+    storage.ReadFile(s, fileUuid);
+
+    Json::Reader reader;
+    if (!reader.parse(s, target))
+    {
+      throw OrthancException("Corrupted JSON file");
+    }
+  }
+
+  void SimplifyTags(Json::Value& target,
+                    const Json::Value& source)
+  {
+    assert(source.isObject());
+
+    target = Json::objectValue;
+    Json::Value::Members members = source.getMemberNames();
+
+    for (size_t i = 0; i < members.size(); i++)
+    {
+      const Json::Value& v = source[members[i]];
+      const std::string& name = v["Name"].asString();
+      const std::string& type = v["Type"].asString();
+
+      if (type == "String")
+      {
+        target[name] = v["Value"].asString();
+      }
+      else if (type == "TooLong" ||
+               type == "Null")
+      {
+        target[name] = Json::nullValue;
+      }
+      else if (type == "Sequence")
+      {
+        const Json::Value& array = v["Value"];
+        assert(array.isArray());
+
+        Json::Value children = Json::arrayValue;
+        for (Json::Value::ArrayIndex i = 0; i < array.size(); i++)
+        {
+          Json::Value c;
+          SimplifyTags(c, array[i]);
+          children.append(c);
+        }
+
+        target[name] = children;
+      }
+      else
+      {
+        assert(0);
+      }
+    }
+  }
+}