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+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002-2005 Vincent Richard <[email protected]>
+//
+// 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.
+//
+// Linking this library statically or dynamically with other modules is making
+// a combined work based on this library.  Thus, the terms and conditions of
+// the GNU General Public License cover the whole combination.
+//
+
+#ifndef VMIME_ATTACHMENTHELPER_HPP_INCLUDED
+#define VMIME_ATTACHMENTHELPER_HPP_INCLUDED
+
+
+#include "vmime/config.hpp"
+
+#include "vmime/attachment.hpp"
+#include "vmime/message.hpp"
+
+#if VMIME_HAVE_MESSAGING_FEATURES
+	#include "vmime/net/message.hpp"
+#endif
+
+
+namespace vmime
+{
+
+
+/** Retrieve attachment information from message parts.
+  */
+class attachmentHelper
+{
+public:
+
+	/** Test whether a body part is an attachment.
+	  *
+	  * @param part message part to test
+	  * @return true if the part is an attachment, false otherwise
+	  */
+	static const bool isBodyPartAnAttachment(ref <const bodyPart> part);
+
+	/** Return attachment information in the specified body part.
+	  * If the specified body part does not contain attachment
+	  * information (ie. is not an attachment), NULL is returned.
+	  *
+	  * @param part message part in which to search
+	  * @return a list of attachments found
+	  */
+	static ref <const attachment>
+		getBodyPartAttachment(ref <const bodyPart> part);
+
+	/** Find all attachments contained in the specified message.
+	  * This is simply a recursive call to getBodyPartAttachment().
+	  *
+	  * @param msg message in which to search
+	  * @return a list of attachments found
+	  */
+	static const std::vector <ref <const attachment> >
+		findAttachmentsInMessage(ref <const message> msg);
+
+	/** Add an attachment to the specified message.
+	  *
+	  * @param msg message into which to add the attachment
+	  * @param att attachment to add
+	  */
+	static void addAttachment(ref <message> msg, ref <attachment> att);
+
+protected:
+
+	static const std::vector <ref <const attachment> >
+		findAttachmentsInBodyPart(ref <const bodyPart> part);
+
+	static ref <bodyPart> findBodyPart
+		(ref <bodyPart> part, const mediaType& type);
+};
+
+
+} // vmime
+
+
+#endif // VMIME_ATTACHMENTHELPER_HPP_INCLUDED
+