1 files changed, 97 insertions, 0 deletions
diff --git a/src/messaging/IMAPTag.cpp b/src/messaging/IMAPTag.cpp
new file mode 100644
index 00000000..023130bb
--- /dev/null
+++ b/src/messaging/IMAPTag.cpp
@@ -0,0 +1,97 @@
+//
+// VMime library (http://vmime.sourceforge.net)
+// Copyright (C) 2002-2004 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., 675 Mass Ave, Cambridge, MA 02139, USA.
+//
+
+#include "IMAPTag.hpp"
+
+
+namespace vmime {
+namespace messaging {
+
+
+const int IMAPTag::sm_maxNumber = 52 * 10 * 10 * 10;
+
+
+IMAPTag::IMAPTag(const int number)
+	: m_number(number)
+{
+	m_tag.resize(4);
+}
+
+
+IMAPTag::IMAPTag(const IMAPTag& tag)
+	: m_number(tag.m_number)
+{
+	m_tag.resize(4);
+}
+
+
+IMAPTag::IMAPTag()
+	: m_number(0)
+{
+	m_tag.resize(4);
+}
+
+
+IMAPTag& IMAPTag::operator++()
+{
+	++m_number;
+
+	if (m_number >= sm_maxNumber)
+		m_number = 1;
+
+	generate();
+
+	return (*this);
+}
+
+
+const IMAPTag IMAPTag::operator++(int)
+{
+	IMAPTag old(*this);
+	operator++();
+	return (old);
+}
+
+
+const int IMAPTag::number() const
+{
+	return (m_number);
+}
+
+
+IMAPTag::operator string() const
+{
+	return (m_tag);
+}
+
+
+void IMAPTag::generate()
+{
+	static const char prefixChars[53] =
+		"abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ";
+
+	m_tag[0] = prefixChars[m_number / 1000];
+	m_tag[1] = '0' + (m_number % 1000) / 100;
+	m_tag[2] = '0' + (m_number % 100) / 10;
+	m_tag[3] = '0' + (m_number % 10);
+}
+
+
+} // messaging
+} // vmime