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+//
+// 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.
+//
+
+#ifndef VMIME_UTILITY_PATH_HPP_INCLUDED
+#define VMIME_UTILITY_PATH_HPP_INCLUDED
+
+
+#include <vector>
+
+#include "../types.hpp"
+#include "../word.hpp"
+
+
+namespace vmime {
+namespace utility {
+
+
+/** Abstract representation of a path (filesystem, mailbox, etc).
+  */
+
+class path
+{
+public:
+
+	typedef vmime::word component;
+	typedef std::vector <component> list;
+
+	// Construct a path
+	path();
+	path(const component& c);
+	path(const path& p);
+	path(const string& s);
+
+	// Append a component to a path
+	path operator/(const path& p) const;
+	path operator/(const component& c) const;
+
+	path& operator/=(const path& p);
+	path& operator/=(const component& c);
+
+	// Return the parent path
+	path parent() const;
+
+	// Assignment
+	path& operator=(const path& p);
+	path& operator=(const component& c);
+
+	// Path comparison
+	const bool operator==(const path& p) const;
+	const bool operator!=(const path& p) const;
+
+	/** Test whether this path is empty (root).
+	  *
+	  * @return true if the path is empty (no components = root)
+	  */
+	const bool empty() const;
+
+	/** Return the last component of this path (const version).
+	  *
+	  * @return last component
+	  */
+	const component last() const;
+
+	/** Return the last component of this path (non-const version).
+	  *
+	  * @return last component
+	  */
+	component& last();
+
+	/** Return the number of components in this path.
+	  *
+	  * @return number of components
+	  */
+	const int size() const;
+
+	/** Return the specified component of the path (const version).
+	  *
+	  * @param x index of the component
+	  * @return component at the specified index
+	  */
+	const component& operator[](const int x) const;
+
+	/** Return the specified component of the path (non-const version).
+	  *
+	  * @param x index of the component
+	  * @return component at the specified index
+	  */
+	component& operator[](const int x);
+
+	/** Test whether this path is a direct parent of another one.
+	  *
+	  * @param p other path
+	  * @return true if the specified path is a child (direct or
+	  * indirect) of this path, false otherwise
+	  */
+	const bool isDirectParentOf(const path& p) const;
+
+private:
+
+	list m_list;
+};
+
+
+} // utility
+} // vmime
+
+
+#endif // VMIME_UTILITY_PATH_HPP_INCLUDED