//**************
// concordance BST
//
//  proovides the concordance class which
// is the only interface for the user
//  this class hides the underlying data structure
// BST<CData> and provides functions which are
// concordance-centric and not BST-centric
//
//  DL Frey 10/21/98
//*************************

#ifndef __CONCORDANCE_H_
#define __CONCORDANCE_H_

#include "ctree.h"

class Concordance
{

  private:
	// the concordance tree
	CTree tree;

   public:
	// member functions to support the user menu options

	// insert a 'C' string
	void Insert (const char *s);

	// print all the words whose frequency of occurrence 
	// is >= to freq
	void PrintWords (int freq = 0);

	// return the number of unique words 
	int CountWords ();

	// print word/frequency for a user-specified
	// word
	void PrintAWord (const char *s);
};

#endif