Main.java Source code

Introduction

Here is the source code for Main.java

Source

//package com.java2s;

public class Main {
    private final static int begin = 32;
    private final static int middle = begin + 64;
    private final static int last = middle + 22;
    private final static char[] add = { 'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', '1', '2', '3', '4', '5', '6', '7',
            '8', 'K', 'Q', 'R', 'B', 'N', '=' };
    private final static String[] adds = { "O-O", "O-O-O", "1/2-1/2", "1-0", "0-1" };

    public static String unzipPgn(String pgn) {
        StringBuffer buffer = new StringBuffer();
        for (int n = 0; n < pgn.length(); n++) {
            char c = pgn.charAt(n);
            if (c >= last) {
                buffer.append(adds[c - last]);
                buffer.append(' ');
            } else if (c < middle) {
                int num = c - begin;
                buffer.append((char) (num / 8 + 'a'));
                buffer.append((char) (num % 8 + '1'));
                if (n != pgn.length() - 1 && pgn.charAt(n + 1) == last - 1) {
                    buffer.append(add[pgn.charAt(++n) - middle]);
                    buffer.append(add[pgn.charAt(++n) - middle]);
                }
                buffer.append(' ');
            } else {
                buffer.append(add[c - middle]);
            }
        }
        return buffer.toString();
    }
}