DecoderWindows_1250.java

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package org.albite.io.decoders;

/**
 *
 * @author albus
 */
class DecoderWindows_1250 extends SingleByteDecoder {

    private static DecoderWindows_1250 instance;

    private static final short[] MAP = {
      /* 0x80 */
      0x20ac, (short) 0xfffd, 0x201a, (short) 0xfffd, 0x201e, 0x2026, 0x2020, 0x2021,
      (short) 0xfffd, 0x2030, 0x0160, 0x2039, 0x015a, 0x0164, 0x017d, 0x0179,
      /* 0x90 */
      (short) 0xfffd, 0x2018, 0x2019, 0x201c, 0x201d, 0x2022, 0x2013, 0x2014,
      (short) 0xfffd, 0x2122, 0x0161, 0x203a, 0x015b, 0x0165, 0x017e, 0x017a,
      /* 0xa0 */
      0x00a0, 0x02c7, 0x02d8, 0x0141, 0x00a4, 0x0104, 0x00a6, 0x00a7,
      0x00a8, 0x00a9, 0x015e, 0x00ab, 0x00ac, 0x00ad, 0x00ae, 0x017b,
      /* 0xb0 */
      0x00b0, 0x00b1, 0x02db, 0x0142, 0x00b4, 0x00b5, 0x00b6, 0x00b7,
      0x00b8, 0x0105, 0x015f, 0x00bb, 0x013d, 0x02dd, 0x013e, 0x017c,
      /* 0xc0 */
      0x0154, 0x00c1, 0x00c2, 0x0102, 0x00c4, 0x0139, 0x0106, 0x00c7,
      0x010c, 0x00c9, 0x0118, 0x00cb, 0x011a, 0x00cd, 0x00ce, 0x010e,
      /* 0xd0 */
      0x0110, 0x0143, 0x0147, 0x00d3, 0x00d4, 0x0150, 0x00d6, 0x00d7,
      0x0158, 0x016e, 0x00da, 0x0170, 0x00dc, 0x00dd, 0x0162, 0x00df,
      /* 0xe0 */
      0x0155, 0x00e1, 0x00e2, 0x0103, 0x00e4, 0x013a, 0x0107, 0x00e7,
      0x010d, 0x00e9, 0x0119, 0x00eb, 0x011b, 0x00ed, 0x00ee, 0x010f,
      /* 0xf0 */
      0x0111, 0x0144, 0x0148, 0x00f3, 0x00f4, 0x0151, 0x00f6, 0x00f7,
      0x0159, 0x016f, 0x00fa, 0x0171, 0x00fc, 0x00fd, 0x0163, 0x02d9,
    };

    private DecoderWindows_1250() {}

    public static AlbiteCharacterDecoder getInstance() {
        if (instance == null) {
            instance = new DecoderWindows_1250();
        }
        return instance;
    }

    public final int decode(int code) {
        if (code < 0x80) {
            return code;
        } else {
            code = MAP[code - 0x80] & 0xFFFF;
            if (code == 0xFFFD) {
                return SUBSTITUTE_CHAR;
            } else {
                return code;
            }
        }
    }

    public final String getEncoding() {
        return Encodings.WINDOWS_1250;
    }
}