--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancServer/DicomFindQuery.h	Fri May 15 15:34:32 2015 +0200
@@ -0,0 +1,109 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2015 Sebastien Jodogne, Medical Physics
+ * Department, University Hospital 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/>.
+ **/
+
+
+#pragma once
+
+#include "ResourceFinder.h"
+
+namespace Orthanc
+{
+  class DicomFindQuery : public ResourceFinder::IQuery
+  {
+  private:
+    class  IConstraint : public boost::noncopyable
+    {
+    public:
+      virtual ~IConstraint()
+      {
+      }
+
+      virtual bool IsExactConstraint() const
+      {
+        return false;
+      }
+
+      virtual bool Apply(const std::string& value) const = 0;
+    };
+
+
+    class ValueConstraint;
+    class RangeConstraint;
+    class ListConstraint;
+    class WildcardConstraint;
+
+    typedef std::map<DicomTag, IConstraint*>  Constraints;
+    typedef std::map<DicomTag, ResourceType>  MainDicomTags;
+
+    MainDicomTags           mainDicomTags_;
+    ResourceType            level_;
+    bool                    filterJson_;
+    Constraints             constraints_;
+    std::set<ResourceType>  filteredLevels_;
+
+    void AssignConstraint(const DicomTag& tag,
+                          IConstraint* constraint);
+
+    void PrepareMainDicomTags(ResourceType level);
+
+
+  public:
+    DicomFindQuery();
+
+    virtual ~DicomFindQuery();
+
+    void SetLevel(ResourceType level)
+    {
+      level_ = level;
+    }
+
+    virtual ResourceType GetLevel() const
+    {
+      return level_;
+    }
+
+    void SetConstraint(const DicomTag& tag,
+                       const std::string& constraint);
+
+    virtual bool RestrictIdentifier(std::string& value,
+                                    DicomTag identifier) const;
+
+    virtual bool HasMainDicomTagsFilter(ResourceType level) const;
+
+    virtual bool FilterMainDicomTags(const DicomMap& mainTags,
+                                     ResourceType level) const;
+
+    virtual bool HasInstanceFilter() const;
+
+    virtual bool FilterInstance(const std::string& instanceId,
+                                const Json::Value& content) const;
+  };
+}