--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/OrthancFramework/Sources/HttpServer/MultipartStreamReader.h	Wed Jun 10 20:30:34 2020 +0200
@@ -0,0 +1,107 @@
+/**
+ * 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 "StringMatcher.h"
+#include "../ChunkedBuffer.h"
+
+#include <map>
+
+namespace Orthanc
+{
+  class ORTHANC_PUBLIC MultipartStreamReader : public boost::noncopyable
+  {
+  public:
+    typedef std::map<std::string, std::string>  HttpHeaders;
+    
+    class IHandler : public boost::noncopyable
+    {
+    public:
+      virtual ~IHandler()
+      {
+      }
+      
+      virtual void HandlePart(const HttpHeaders& headers,
+                              const void* part,
+                              size_t size) = 0;
+    };
+    
+  private:
+    enum State
+    {
+      State_UnusedArea,
+      State_Content,
+      State_Done
+    };
+    
+    State          state_;
+    IHandler*      handler_;
+    StringMatcher  headersMatcher_;
+    StringMatcher  boundaryMatcher_;
+    ChunkedBuffer  buffer_;
+    size_t         blockSize_;
+
+    void ParseStream();
+
+  public:
+    MultipartStreamReader(const std::string& boundary);
+
+    void SetBlockSize(size_t size);
+
+    size_t GetBlockSize() const
+    {
+      return blockSize_;
+    }
+
+    void SetHandler(IHandler& handler)
+    {
+      handler_ = &handler;
+    }
+    
+    void AddChunk(const void* chunk,
+                  size_t size);
+
+    void AddChunk(const std::string& chunk);
+
+    void CloseStream();
+
+    static bool GetMainContentType(std::string& contentType,
+                                   const HttpHeaders& headers);
+
+    static bool ParseMultipartContentType(std::string& contentType,
+                                          std::string& subType,  // Possibly empty
+                                          std::string& boundary,
+                                          const std::string& contentTypeHeader);
+  };
+}