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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_MESSAGEID_HPP_INCLUDED
+#define VMIME_MESSAGEID_HPP_INCLUDED
+
+
+#include "vmime/base.hpp"
+#include "vmime/headerFieldValue.hpp"
+
+
+namespace vmime {
+
+
+/** Message identifier (basic type).
+ */
+class VMIME_EXPORT messageId : public headerFieldValue {
+
+ friend class messageIdSequence;
+
+public:
+
+ messageId();
+ messageId(const string& id);
+ messageId(const messageId& mid);
+ messageId(const string& left, const string& right);
+
+public:
+
+ /** Return the left part of the message identifier.
+ *
+ * @return left part of message identifier
+ */
+ const string& getLeft() const;
+
+ /** Set the left part of the message identifier.
+ *
+ * @param left left part of message identifier
+ */
+ void setLeft(const string& left);
+
+ /** Return the right part of the message identifier.
+ *
+ * @return right part of message identifier
+ */
+ const string& getRight() const;
+
+ /** Set the right part of the message identifier.
+ *
+ * @param right right part of message identifier
+ */
+ void setRight(const string& right);
+
+
+ messageId& operator=(const string& id);
+
+ bool operator==(const messageId& mid) const;
+ bool operator!=(const messageId& mid) const;
+
+ /** Generate a random message identifier.
+ *
+ * @return randomly created message identifier
+ */
+ static messageId generateId();
+
+ /** Return the message identifier constructed by using
+ * the right part and the left part, separated by
+ * a '@' character.
+ *
+ * @return full message identifier
+ */
+ const string getId() const;
+
+ shared_ptr <component> clone() const;
+ void copyFrom(const component& other);
+ messageId& operator=(const messageId& other);
+
+ const std::vector <shared_ptr <component> > getChildComponents();
+
+private:
+
+ string m_left;
+ string m_right;
+
+protected:
+
+ // Component parsing & assembling
+ void parseImpl(
+ const parsingContext& ctx,
+ const string& buffer,
+ const size_t position,
+ const size_t end,
+ size_t* newPosition = NULL
+ );
+
+ void generateImpl(
+ const generationContext& ctx,
+ utility::outputStream& os,
+ const size_t curLinePos = 0,
+ size_t* newLinePos = NULL
+ ) const;
+
+ /** Parse a message-id from an input buffer.
+ *
+ * @param buffer input buffer
+ * @param position position in the input buffer
+ * @param end end position in the input buffer
+ * @param newPosition will receive the new position in the input buffer
+ * @return a new message-id object, or null if no more message-id can be parsed from the input buffer
+ */
+ static shared_ptr <messageId> parseNext(
+ const parsingContext& ctx,
+ const string& buffer,
+ const size_t position,
+ const size_t end,
+ size_t* newPosition
+ );
+};
+
+
+} // vmime
+
+
+#endif // VMIME_MESSAGEID_HPP_INCLUDED