package com.company;

import java.io.*;

public class modScanner {
    private Reader reader;
    private char lastChar;
    private int start, finish;
    private StringBuilder string;
    private boolean used = false;

    public modScanner(Reader r){
        reader = r;
    }

    public modScanner(InputStream in){
        this(new BufferedReader(new InputStreamReader(in)));
    }

    public void close() throws IOException{
        reader.close();
    }

    private boolean nextSymbolReader() throws IOException {
        int ch = reader.read();
        if (ch >= 0){
            lastChar = (char) ch;
            return true;
        }
        return false;
    }

    private boolean createString() throws IOException{
        used = false;
        string.delete(0, string.length());
//        isNum = true;
        while(nextSymbolReader() && !Character.isWhitespace(lastChar)){
//            isNum = Character.isDigit(lastChar);
            string.append(lastChar);
        }
        return string.length() > 0;
    }

    public boolean hasNext() throws IOException{
        return string.length() > 0;
    }

//    public boolean hasNextInt() throws IOException{
//        //pass
//       return string.length() > 0 && isNum;
//    }

    public boolean hasNextLine() throws IOException{
        //pass
        return true;
    }

    public String next() throws IOException{
        return string.toString();
    }

    public int nextInt() throws IOException{
        return 0;
    }

    public String nextLine(){
        //pass
        return "";
    }
}