package org.paradise.etrc.data.skb;

//90 characters in the table
// can't use \ as the element of the table
public class ETRCData {
    public static char[] codeTable = {
            '0', '1', '2', '3', '4', '5', '6', '7',
            '8', '9', 'a', 'b', 'c', 'd', 'e', 'f',
            'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n',
            'o', 'p', 'q', 'r', 's', 't', 'u', 'v',
            'w', 'x', 'y', 'z', 'A', 'B', 'C', 'D',
            'E', 'F', 'G', 'H', 'I', 'J', 'K', 'L',
            'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T',
            'U', 'V', 'W', 'X', 'Y', 'Z', '.', ' ',
            '!', '@', '#', '$', '%', '^', '&', '*',
            '(', ')', '-', '_', '=', '+', '[', ']',
            '{', '}', '|', '~', ':', ';', '<', '>',
            '/', '?',
    };

    public static int decode(char c) {
        for (int i = 0; i < codeTable.length; i++)
            if (codeTable[i] == c)
                return i;

        return 0;
    }

    public static String encode1(int num) {
        return "" + codeTable[num];
    }

    public static String encode2(int num) {
        if (num >= codeTable.length * codeTable.length)
            return "##";

        int num1 = num / codeTable.length;
        int num2 = num % codeTable.length;

        return "" + codeTable[num1] + codeTable[num2];
    }

}
