//
// NumericSet.java - class NumericSet definition
//
// Code Developed for the Java Tutor column in Java Report Magazine
// Copyright (c) 1996 by Philip Meese, All Rights Reserved
//

public class NumericSet {
        // member data
        private int     _length=0;      // actual no of elemts in set
        private int     _maxLength=25;  // capacity of set
        private int     _set[];         // internal storage array
        private boolean         _debug=false;   // off by default

        // member functions
        //

        // constructor
        public NumericSet(){
                _set=new int[_maxLength];
        }

        // parses a string with integers seperated by spaces in it
        public void setFromString(String s_){
                int idx=0, idxSpace=0;
                for(_length=0; _length<_maxLength && idx < s_.length(); _length++){
                        // find end of first token
                        idxSpace=s_.indexOf(" ", idx);
                        if(idxSpace == -1) idxSpace=s_.length();        // end of string

                        _set[_length]=Integer.parseInt(s_.substring(idx, idxSpace));

                        // eat white space
                        while(s_.length() > ++idxSpace && 
                              !Character.isDigit(s_.charAt(idxSpace)))
                          ;
                        idx=idxSpace;
                }
        }

        // returns the value of a member of the set
        public int value(int idx_){
                if(idx_ >= _length)     return 0;
                else                    return _set[idx_];
        }

        // returns the maximum value in the set
        public int max(){
                int maxValue=0;
                for(int i=0;i<_length; i++)
                        if(maxValue<_set[i]) maxValue=_set[i];
                return(maxValue);
        }

        public int length() { return _length; }

        public void dump(){
                System.out.println(getClass().getName() + ": " );
                for(int i=0; i<_length; i++)
                        System.out.println("   Elemt #" + i + "=" + _set[i]);
        }

        public void debugPrintln(String s_){
                if(_debug) System.out.println(s_);
        }

} // end of class NumericSet