adding cs235

cs235/final/TwoThreeTreeInterface.h

@@ -0,0 +1,58 @@
+//YOU MAY NOT MODIFY THIS DOCUMENT
+#pragma once
+
+#include <string>
+
+using namespace std;
+
+class TwoThreeTreeInterface {
+public:
+	TwoThreeTreeInterface() {}
+	virtual ~TwoThreeTreeInterface() {}
+
+	//This class may use a node of your own creation.
+
+	/*
+	 * Attempts to add the given word to the tree
+	 *
+	 * Addition should be consistent with the instructions found in the exam instructions.
+	 */
+	virtual void add(string word) = 0;
+
+	/*
+	 * Attempts to add the given string of words to the tree
+	 *
+	 * A string of words consists of alphabetical characters, no punctuation marks,
+	 * and white space as the delimiter separating words. The string should be parsed and
+	 * each word should be added to the tree.
+	 */
+	virtual void addPhrase(string words) = 0;
+
+	/*
+	 * Attempts to remove the given word from the tree
+	 *
+	 * Removal should be consistent with the instructions found in the exam instructions.
+	 */
+	virtual void remove(string word) = 0;
+
+	/*
+	 * The tree should print in the following format:
+	 *
+	 * 	Root (value)
+	 *		Left subtree root (value)
+	 *			Left left subtree root (value)
+	 *			Left middle subtree root (value)
+	 *			Left right subtree root (value)
+	 *		Middle subtree root (value)
+	 *			Middle left subtree root (value)
+	 *			Middle middle subtree root (value)
+	 *			Middle right subtree root (value)
+	 *
+	 *		Right subtree root (value)
+	 *			Right left subtree root (value)
+	 *			Right middle subtree root (value)
+	 *			Right right subtree root (value)
+	 *
+	 */
+	virtual string printTree() = 0;
+};