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68 lines
3.2 KiB
68 lines
3.2 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 Object_ {
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public static final String Cls_val_name = "Object";
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public static final Object[] Ary_empty = new Object[0];
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public static Object[] Ary(Object... ary) {return ary;}
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public static Object[] Ary_add(Object[] lhs, Object[] rhs) {
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int lhs_len = lhs.length, rhs_len = rhs.length;
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if (lhs_len == 0) return rhs;
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else if (rhs_len == 0) return lhs;
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int rv_len = lhs_len + rhs_len;
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Object[] rv = new Object[rv_len];
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for (int i = 0; i < lhs_len; ++i)
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rv[i] = lhs[i];
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for (int i = lhs_len; i < rv_len; ++i)
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rv[i] = rhs[i - lhs_len];
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return rv;
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}
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public static String[] Ary__to_str_ary(Object[]... ary) {
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int len = ary.length;
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String[] rv = new String[len];
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for (int i = 0; i < len; ++i)
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rv[i] = String_.Concat_with_obj("|", (Object[])ary[i]);
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return rv;
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}
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public static boolean Eq(Object lhs, Object rhs) {
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if (lhs == null && rhs == null) return true;
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else if (lhs == null || rhs == null) return false;
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else return lhs.equals(rhs);
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}
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public static String Xto_str_or(Object v, String or) {return v == null ? or : ToString_lang(v);}
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public static String Xto_str_strict_or_null(Object v) {return v == null ? null : ToString_lang(v);}
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public static String Xto_str_strict_or_null_mark(Object v) {return v == null ? String_.Null_mark : ToString_lang(v);}
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public static String Xto_str_strict_or_empty(Object v) {return v == null ? String_.Empty : ToString_lang(v);}
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private static String ToString_lang(Object v) {
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Class<?> c = v.getClass();
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if (Type_adp_.Eq(c, String_.Cls_ref_type)) return (String)v;
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else if (Type_adp_.Eq(c, Bry_.Cls_ref_type)) return String_.new_u8((byte[])v);
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else return v.toString();
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}
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public static String Xto_str_loose_or(Object v, String or) { // tries to pretty-print doubles; also standardizes true/false; DATE:2014-07-14
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if (v == null) return null;
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Class<?> c = Type_adp_.ClassOf_obj(v);
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if (Type_adp_.Eq(c, String_.Cls_ref_type)) return (String)v;
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else if (Type_adp_.Eq(c, Bry_.Cls_ref_type)) return String_.new_u8((byte[])v);
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else if (Type_adp_.Eq(c, Bool_.Cls_ref_type)) return Bool_.cast(v) ? Bool_.True_str : Bool_.False_str; // always return "true" / "false"
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else if (Type_adp_.Eq(c, Double_.Cls_ref_type)) return Double_.To_str_loose(Double_.cast(v));
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else return v.toString();
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}
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public static final Object Null = null;
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public static final byte[] Bry__null = Bry_.new_a7("null");
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} |