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65 lines
3.0 KiB
65 lines
3.0 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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import gplx.langs.gfs.*;
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public class Bool_ implements Gfo_invk {
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public static final String Cls_val_name = "boolean";
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public static final Class<?> Cls_ref_type = Boolean.class;
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public static final boolean N = false , Y = true;
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public static final byte N_byte = 0 , Y_byte = 1 , __byte = 127;
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public static final int N_int = 0 , Y_int = 1 , __int = -1;
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public static final byte[] N_bry = new byte[] {Byte_ascii.Ltr_n}, Y_bry = new byte[] {Byte_ascii.Ltr_y};
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public static final String True_str = "true", False_str = "false";
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public static final byte[] True_bry = Bry_.new_a7(True_str), False_bry = Bry_.new_a7(False_str);
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public static boolean cast(Object obj) {try {return (Boolean)obj;} catch (Exception e) {throw Err_.new_type_mismatch_w_exc(e, boolean.class, obj);}}
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public static boolean cast_or(Object obj, boolean v) {try {return (Boolean)obj;} catch (Exception e) {Err_.Noop(e); return v;}}
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public static boolean parse(String raw) {
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if ( String_.Eq(raw, True_str)
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|| String_.Eq(raw, "True") // needed for Store_Wtr(){boolVal.toString();}
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)
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return true;
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else if ( String_.Eq(raw, "false")
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|| String_.Eq(raw, False_str)
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)
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return false;
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throw Err_.new_parse_type(boolean.class, raw);
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}
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public static int Compare(boolean lhs, boolean 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 /*lhs && !rhs*/ return CompareAble_.More;
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}
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public static boolean By_int(int v) {return v == Y_int;}
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public static int To_int(boolean v) {return v ? Y_int : N_int;}
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public static byte To_byte(boolean v) {return v ? Y_byte : N_byte;}
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public static String To_str_lower(boolean v) {return v ? True_str : False_str;}
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public static final Bool_ Gfs = new Bool_();
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public Object Invk(GfsCtx ctx, int ikey, String k, GfoMsg m) {
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if (ctx.Match(k, Invk_to_str)) {
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boolean v = m.ReadBool(GfsCore_.Arg_primitive);
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String fmt = m.ReadStrOr("fmt", null);
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if (fmt == null) return v ? "true" : "false";
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else if (String_.Eq(fmt, "yn")) return v ? "y" : "n";
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else if (String_.Eq(fmt, "yes_no")) return v ? "yes" : "no";
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else return v ? "true" : "false";
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}
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else return Gfo_invk_.Rv_unhandled;
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} public static final String Invk_to_str = "to_str";
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}
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