// Copyright 2000
// College of Computer Science
// Northeastern University Boston MA 02115

// This software may be used for educational purposes as long as this copyright
// notice is retained at the top of all files

// Should this software be modified, the words "Modified from Original" must be
// included as a comment below this notice

// All publication rights are retained.  This software or its documentation may
// not be published in any media either in whole or in part.

///////////////////////////////////////////////////////////////////////////////

// StringList.h  simple string list class based on Array template class

///////////////////////////////////////////////////////////////////////////////

#ifndef STRINGLIST_H_
#define STRINGLIST_H_

#include "IOTools.h"


// StringList is a general class for collecting lists of strings

class StringList : public Array<string> {

public:

	StringList(int size = 1) : Array<string>(size) { };


	// Reading reads zero or more strings and appends them to the list
	// Reading returns the count of strings read

	int Reading(const string& prompt) {
		int count = 0;

		string response;

		while (ReadingString(prompt, response)) {
			Append(response);
			count++;
		}

		return count;
	};


	// Print prints all strings in the list

	void Print(ostream& os = cout, const string& prefix = "") const {
		int i;
		int size = ValidSize();

		for (i = 0; i < size; i++)
			os << prefix << FastAccess(i) << endl;
	};


	// Clear marks all data as invalid
	// The data is not actually physically erased

	void Clear() { ValidateNone(); };

}; // StringList

#endif // STRINGLIST_H_