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+/*
+ *  Quackle -- Crossword game artificial intelligence and analysis tool
+ *  Copyright (C) 2005-2006 Jason Katz-Brown and John O'Laughlin.
+ *
+ *  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., 51 Franklin Street, Fifth Floor, Boston, MA  
+ *  02110-1301  USA
+ */
+
+#ifndef QUACKLE_RACK_H
+#define QUACKLE_RACK_H
+
+#include "alphabetparameters.h"
+
+using namespace std;
+
+namespace Quackle
+{
+
+class Move;
+
+class Rack
+{
+public:
+	// constructs a new empty rack
+	Rack();
+
+	// constructs a new rack containing letters in t
+	Rack(const LetterString &tiles);
+
+	// tiles like AEILNN?
+	void setTiles(const LetterString &tiles);
+	const LetterString &tiles() const;
+	LetterString alphaTiles() const;
+
+	// returns true if no tiles are on rack
+	bool empty() const;
+
+	// returns true if this rack has exactly the same letters as
+	// the specified rack
+	bool equals(const Rack &rack) const;
+
+	// number of tiles on rack
+	unsigned int size() const;
+
+	// equivalent to operator-=(move.usedTiles())
+	// and returns true if all tiles in used were found
+	// in this rack and unloaded
+	bool unload(const LetterString &used);
+
+	// same as above but nonmutating
+	bool contains(const LetterString &used) const;
+
+	void shuffle();
+
+	// sum of scores of letters on rack
+	int score() const;
+
+	UVString xml() const;
+	UVString toString() const;
+
+private:
+	LetterString m_tiles;
+};
+
+inline Rack::Rack()
+{
+}
+
+inline Rack::Rack(const LetterString &tiles)
+{
+    setTiles(tiles);
+}
+
+inline void Rack::setTiles(const LetterString &tiles)
+{
+	m_tiles = tiles;
+}
+
+inline const LetterString &Rack::tiles() const
+{
+	return m_tiles;
+}
+
+inline bool Rack::empty() const
+{
+	return m_tiles.empty();
+}
+
+}
+
+const Quackle::Rack operator-(const Quackle::Rack &rack, const Quackle::Move &move);
+const Quackle::Rack operator-(const Quackle::Rack &rack1, const Quackle::Rack &rack);
+
+UVOStream &operator<<(UVOStream &o, const Quackle::Rack &rack);
+
+#endif