1 files changed, 89 insertions, 0 deletions
diff --git a/libktorrent/torrent/dndfile.h b/libktorrent/torrent/dndfile.h
new file mode 100644
index 0000000..a7a7e7b
--- /dev/null
+++ b/libktorrent/torrent/dndfile.h
@@ -0,0 +1,89 @@
+/***************************************************************************
+ *   Copyright (C) 2005 by Joris Guisson                                   *
+ *   joris.guisson@gmail.com                                               *
+ *                                                                         *
+ *   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 2 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 General Public License for more details.                          *
+ *                                                                         *
+ *   You should have received a copy of the GNU General Public License     *
+ *   along with this program; if not, write to the                         *
+ *   Free Software Foundation, Inc.,                                       *
+ *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.             *
+ ***************************************************************************/
+#ifndef BTDNDFILE_H
+#define BTDNDFILE_H
+
+#include <qstring.h>
+#include <util/constants.h>
+
+namespace bt
+{
+	
+
+	/**
+	 * @author Joris Guisson <joris.guisson@gmail.com>
+	 * 
+	 * Special file where we keep the first and last chunk of a file which is marked as do not download.
+	 * THe first and last chunk of a file will most certainly be partial chunks.
+	 */
+	class DNDFile
+	{
+	public:
+		DNDFile(const QString & path);
+		virtual ~DNDFile();
+		
+		/// Change the path of the file
+		void changePath(const QString & npath);
+		
+		/**
+		 * CHeck integrity of the file, create it if it doesn't exist.
+		 */
+		void checkIntegrity();
+		
+		/**
+		 * Read the (partial)first chunk into a buffer.
+		 * @param buf The buffer
+		 * @param off OFfset into the buffer
+		 * @param buf_size Size of the buffer
+		*/
+		Uint32 readFirstChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
+		
+		/**
+		 * Read the (partial)last chunk into a buffer.
+		 * @param buf The buffer
+		 * @param off OFfset into the buffer
+		 * @param buf_size Size of the buffer
+		 */
+		Uint32 readLastChunk(Uint8* buf,Uint32 off,Uint32 buf_size);
+		
+		/**
+		 * Write the partial first chunk.
+		 * @param buf The buffer
+		 * @param fc_size Size to write
+		 */
+		void writeFirstChunk(const Uint8* buf,Uint32 fc_size);
+		
+		/**
+		 * Write the partial last chunk.
+		 * @param buf The buffer
+		 * @param lc_size Size to write
+		 */
+		void writeLastChunk(const Uint8* buf,Uint32 lc_size);
+		
+	private:
+		void create();
+
+	private:
+		QString path;
+	};
+
+}
+
+#endif