1 files changed, 131 insertions, 0 deletions
diff --git a/src/utility/stringProxy.cpp b/src/utility/stringProxy.cpp
new file mode 100644
index 00000000..f79e8a58
--- /dev/null
+++ b/src/utility/stringProxy.cpp
@@ -0,0 +1,131 @@
+//
+// 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 "stringProxy.hpp"
+
+#include <iterator>
+#include <algorithm>
+
+
+namespace vmime {
+namespace utility {
+
+
+stringProxy::stringProxy()
+	: m_start(0), m_end(0)
+{
+}
+
+
+stringProxy::stringProxy(const stringProxy& s)
+	: m_buffer(s.m_buffer), m_start(s.m_start), m_end(s.m_end)
+{
+}
+
+
+stringProxy::stringProxy(const string_type& s, const size_type start, const size_type end)
+	: m_buffer(s), m_start(start),
+	  m_end(end == std::numeric_limits <size_type>::max() ? s.length() : end)
+{
+}
+
+
+void stringProxy::set(const string_type& s, const size_type start, const size_type end)
+{
+	m_buffer = s;
+	m_start = start;
+
+	if (end == std::numeric_limits <size_type>::max())
+		m_end = s.length();
+	else
+		m_end = end;
+}
+
+
+void stringProxy::detach()
+{
+	m_buffer.clear();
+	m_start = m_end = 0;
+}
+
+
+stringProxy& stringProxy::operator=(const stringProxy& s)
+{
+	m_buffer = s.m_buffer;
+	m_start = s.m_start;
+	m_end = s.m_end;
+
+	return (*this);
+}
+
+
+stringProxy& stringProxy::operator=(const string_type& s)
+{
+	m_buffer = s;
+	m_start = 0;
+	m_end = s.length();
+
+	return (*this);
+}
+
+
+void stringProxy::extract(outputStream& os, const size_type start, const size_type end) const
+{
+	if (end == std::numeric_limits <size_type>::max())
+		os.write(m_buffer.data() + m_start + start, m_end - start - m_start);
+	else
+		os.write(m_buffer.data() + m_start + start, end - start - m_start);
+}
+
+
+const stringProxy::size_type stringProxy::length() const
+{
+	return (m_end - m_start);
+}
+
+
+const stringProxy::size_type stringProxy::start() const
+{
+	return (m_start);
+}
+
+
+const stringProxy::size_type stringProxy::end() const
+{
+	return (m_end);
+}
+
+
+std::ostream& operator<<(std::ostream& os, const stringProxy& s)
+{
+	outputStreamAdapter adapter(os);
+	s.extract(adapter);
+	return (os);
+}
+
+
+outputStream& operator<<(outputStream& os, const stringProxy& s)
+{
+	s.extract(os);
+	return (os);
+}
+
+
+} // utility
+} // vmime