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69 lines
2.3 KiB
69 lines
2.3 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012-2017 gnosygnu@gmail.com
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XOWA is licensed under the terms of the General Public License (GPL) Version 3,
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or alternatively under the terms of the Apache License Version 2.0.
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You may use XOWA according to either of these licenses as is most appropriate
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for your project on a case-by-case basis.
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The terms of each license can be found in the source code repository:
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GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
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Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
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*/
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package gplx;
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public class Byte_ {//RF:2017-10-08
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public static final String Cls_val_name = "byte";
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public static final Class<?> Cls_ref_type = Byte.class;
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public static final byte
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Zero = 0
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, Min_value = Byte.MIN_VALUE
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, Max_value_127 = 127
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, Val_128 = -128
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, Val_255 = -1
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;
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public static byte By_int(int v) {return v > 127 ? (byte)(v - 256) : (byte)v;} // PERF?: (byte)(v & 0xff)
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public static int To_int(byte v) {return v < 0 ? (int)v + 256 : v;}
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public static String To_str(byte v) {return new Byte(v).toString();}
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public static byte[] To_bry(byte v) {return new byte[] {v};}
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public static byte Cast(Object o) {try {return (Byte)o;} catch (Exception e) {throw Err_.new_type_mismatch_w_exc(e, byte.class, o);}}
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public static byte Parse(String raw) {return Byte.parseByte(raw);}
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public static byte Parse_or(String raw, byte or) {
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if (raw == null) return or;
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try {return Parse(raw);}
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catch (Exception e) {Err_.Noop(e); return or;}
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}
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public static boolean Match_any(byte v, byte... ary) {
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for (byte itm : ary)
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if (v == itm) return true;
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return false;
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}
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public static boolean Match_all(byte v, byte... ary) {
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for (byte itm : ary)
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if (v != itm) return false;
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return true;
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}
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public static int Compare(byte lhs, byte rhs) {
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if (lhs == rhs) return CompareAble_.Same;
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else if (lhs < rhs) return CompareAble_.Less;
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else return CompareAble_.More;
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}
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public static byte[] Ary(byte... ary) {return ary;}
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public static byte[] Ary_by_ints(int... ary) {
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int ary_len = ary.length;
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byte[] rv = new byte[ary_len];
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for (int i = 0; i < ary_len; i++) {
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rv[i] = By_int(ary[i]);
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}
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return rv;
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}
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}
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