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+//
+// VMime library (http://www.vmime.org)
+// Copyright (C) 2002 Vincent Richard <vincent@vmime.org>
+//
+// 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.
+//
+// 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_ATTACHMENT_HPP_INCLUDED
+#define VMIME_ATTACHMENT_HPP_INCLUDED
+
+
+#include "vmime/base.hpp"
+
+#include "vmime/bodyPart.hpp"
+#include "vmime/mediaType.hpp"
+#include "vmime/text.hpp"
+#include "vmime/contentHandler.hpp"
+#include "vmime/encoding.hpp"
+
+
+namespace vmime {
+
+
+/** Base class for all types of attachment.
+ */
+class VMIME_EXPORT attachment : public object {
+
+ friend class messageBuilder;
+ friend class messageParser;
+ friend class attachmentHelper;
+
+protected:
+
+ attachment() { }
+
+public:
+
+ virtual ~attachment() { }
+
+ /** Return the media type of this attachment.
+ *
+ * @return content type of the attachment
+ */
+ virtual const mediaType getType() const = 0;
+
+ /** Return the description of this attachment.
+ *
+ * @return attachment description, or an empty text
+ * if no description is available
+ */
+ virtual const text getDescription() const = 0;
+
+ /** Return the (file) name of this attachment.
+ *
+ * @return attachment name, or an empty word if no
+ * name is available
+ */
+ virtual const word getName() const = 0;
+
+ /** Return the data contained in this attachment.
+ *
+ * @return attachment data
+ */
+ virtual const shared_ptr <const contentHandler> getData() const = 0;
+
+ /** Return the encoding used for this attachment.
+ *
+ * @return attachment data encoding
+ */
+ virtual const encoding getEncoding() const = 0;
+
+ /** Return the part in which the attachment has been found.
+ * This can be a vmime::bodyPart or a vmime::net::part object.
+ *
+ * @return attachment part or NULL if the attachment is not
+ * attached to a part
+ */
+ virtual shared_ptr <const object> getPart() const = 0;
+
+ /** Return the header of the attachment part.
+ *
+ * @return attachment part header or NULL if the attachment
+ * is not attached to a part
+ */
+ virtual shared_ptr <const header> getHeader() const = 0;
+
+protected:
+
+ /** Generate the attachment in the specified body part.
+ *
+ * @param parent body part in which to generate the attachment
+ */
+ virtual void generateIn(const shared_ptr <bodyPart>& parent) const = 0;
+};
+
+
+} // vmime
+
+
+#endif // VMIME_ATTACHMENT_HPP_INCLUDED