[AS3,I/O]Base85的字符集

package advancedflex.io.format {
    /**
     * Base85的字符集(Character Set)
     *
     * @see http://rfc.net/rfc1924.html RFC-1924
     * @see Base85Decoder
     * @see Base85Encoder
     */
    public final class Base85CharSet {
       
        /**
         * 在RFC-1924里定义的一般的字符集(根据编码算字符)
         */
         //0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!#$%&()*+-;<=>?@^_`{|}~
        public static const RFC_1924:Array =
        [
            "0", "1", "2", "3", "4", "5", "6", "7", "8", "9",
            "A", "B", "C", "D", "E", "F", "G", "H", "I", "J",
            "K", "L", "M", "N", "O", "P", "Q", "R", "S", "T",
            "U", "V", "W", "X", "Y", "Z", "a", "b", "c", "d",
            "e", "f", "g", "h", "i", "j", "k", "l", "m", "n",
            "o", "p", "q", "r", "s", "t", "u", "v", "w", "x",
            "y", "z", "!", "#", "$", "%", "&", "(", ")", "*",
            "+", "-", ";", "<", "=", ">", "?", "@", "^", "_",
            "`", "{", "|", "}", "~",
        ];
        /**
         * 在RFC-1924里定义的一般的逆字符集(根据字符算编码)
         */
        public static const DECODE_RFC_1924:Object =
        {
            "0":0,  "1":1,  "2":2,  "3":3,  "4":4,  "5":5,  "6":6,  "7":7,  "8":8, "9":9,
            "A":10, "B":11, "C":12, "D":13, "E":14, "F":15, "G":16, "H":17, "I":18, "J":19,
            "K":20, "L":21, "M":22, "N":23, "O":24, "P":25, "Q":26, "R":27, "S":28, "T":29,
            "U":30, "V":31, "W":32, "X":33, "Y":34, "Z":35, "a":36, "b":37, "c":38, "d":39,
            "e":40, "f":41, "g":42, "h":43, "i":44, "j":45, "k":46, "l":47, "m":48, "n":49,
            "o":50, "p":51, "q":52, "r":53, "s":54, "t":55, "u":56, "v":57, "w":58, "x":59,
            "y":60, "z":61, "!":62, "#":63, "$":64, "%":65, "&":66, "(":67, ")":68, "*":69,
            "+":70, "-":71, ";":72, "<":73, "=":74, ">":75, "?":76, "@":77, "^":78, "_":79,
            "`":80, "{":81, "|":82, "}":83, "~":84
        };
        /**
         * 在ascii85里定义的一般的字符集(根据编码算字符)
         */
         //!\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuv
        public static const ASCII85:Array =
        [
            "!", "\"", "#", "$", "%", "&", "'", "(", ")", "*",
            "+", ",",  "-", ".", "/", "0", "1", "2", "3", "4",
            "5", "6",  "7", "8", "9", ":", ";", "<", "=", ">",
            "?", "@",  "A", "B", "C", "D", "E", "F", "G", "H",
            "I", "J",  "K", "L", "M", "N", "O", "P", "Q", "R",
            "S", "T",  "U", "V", "W", "X", "Y", "Z", "[", "]",
            "^", "_",  "`", "a", "b", "c", "d", "e", "f", "g",
            "h", "i",  "j", "k", "l", "m", "n", "o", "p", "q",
            "r", "s",  "t", "u", "v",
        ];
        /**
         * 在ascii85里定义的一般的字符集(根据编码算字符)
         */
        public static const DECODE_ASCII85:Object =
        {
            "!":0,  "\"":1, "#":2,  "$":3,  "%":4,  "&":5,  "'":6,  "(":7,  ")":8,  "*":9,
            "+":10, ",":11, "-":12, ".":13, "/":14, "0":15, "1":16, "2":17, "3":18, "4":19,
            "5":20, "6":21, "7":22, "8":23, "9":24, ":":25, ";":26, "<":27, "=":28, ">":29,
            "?":30, "@":31, "A":32, "B":33, "C":34, "D":35, "E":36, "F":37, "G":38, "H":39,
            "I":40, "J":41, "K":42, "L":43, "M":44, "N":45, "O":46, "P":47, "Q":48, "R":49,
            "S":50, "T":51, "U":52, "V":53, "W":54, "X":55, "Y":56, "Z":57, "[":58, "]":59,
            "^":60, "_":61, "`":62, "a":63, "b":64, "c":65, "d":66, "e":67, "f":68, "g":69,
            "h":70, "i":71, "j":72, "k":73, "l":74, "m":75, "n":76, "o":77, "p":78, "q":79,
            "r":80, "s":81, "t":82, "u":83, "v":84
        }
    }
}

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