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64 lines
2.4 KiB
64 lines
2.4 KiB
/*
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XOWA: the XOWA Offline Wiki Application
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Copyright (C) 2012 gnosygnu@gmail.com
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU Affero General Public License as
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published by the Free Software Foundation, either version 3 of the
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License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Affero General Public License for more details.
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You should have received a copy of the GNU Affero General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package gplx;
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public class Byte_ {
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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 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 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 boolean In(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 Eq_many(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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return rv;
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}
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}
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