diff Resources/Orthanc/Core/ChunkedBuffer.cpp @ 16:ff1e935768e7

reorganization
author Sebastien Jodogne <s.jodogne@gmail.com>
date Wed, 09 Nov 2016 20:06:52 +0100
parents Framework/Orthanc/Core/ChunkedBuffer.cpp@2dbe613f6c93
children 7207a407bcd8
line wrap: on
line diff
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/Resources/Orthanc/Core/ChunkedBuffer.cpp	Wed Nov 09 20:06:52 2016 +0100
@@ -0,0 +1,102 @@
+/**
+ * Orthanc - A Lightweight, RESTful DICOM Store
+ * Copyright (C) 2012-2016 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/>.
+ **/
+
+
+#include "PrecompiledHeaders.h"
+#include "ChunkedBuffer.h"
+
+#include <cassert>
+#include <string.h>
+
+
+namespace Orthanc
+{
+  void ChunkedBuffer::Clear()
+  {
+    numBytes_ = 0;
+
+    for (Chunks::iterator it = chunks_.begin(); 
+         it != chunks_.end(); ++it)
+    {
+      delete *it;
+    }
+  }
+
+
+  void ChunkedBuffer::AddChunk(const void* chunkData,
+                               size_t chunkSize)
+  {
+    if (chunkSize == 0)
+    {
+      return;
+    }
+    else
+    {
+      assert(chunkData != NULL);
+      chunks_.push_back(new std::string(reinterpret_cast<const char*>(chunkData), chunkSize));
+      numBytes_ += chunkSize;
+    }
+  }
+
+
+  void ChunkedBuffer::AddChunk(const std::string& chunk)
+  {
+    if (chunk.size() > 0)
+    {
+      AddChunk(&chunk[0], chunk.size());
+    }
+  }
+
+
+  void ChunkedBuffer::Flatten(std::string& result)
+  {
+    result.resize(numBytes_);
+
+    size_t pos = 0;
+    for (Chunks::iterator it = chunks_.begin(); 
+         it != chunks_.end(); ++it)
+    {
+      assert(*it != NULL);
+
+      size_t s = (*it)->size();
+      if (s != 0)
+      {
+        memcpy(&result[pos], (*it)->c_str(), s);
+        pos += s;
+      }
+
+      delete *it;
+    }
+
+    chunks_.clear();
+    numBytes_ = 0;
+  }
+}