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77 lines
2.8 KiB
77 lines
2.8 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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import gplx.core.stores.*;
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public class Yn {
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public static final String Y = "y", N = "n";
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public static boolean parse_by_char_or(String v, boolean or) {
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if (String_.Eq(v, Y)) return true;
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else if (String_.Eq(v, N)) return false;
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else return or;
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}
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public static boolean parse_or_n_(String v) {return parse_or(v, false);}
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public static int parse_as_int(String v) {
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if (v == null) return Bool_.__int;
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else if (String_.Eq(v, "y")) return Bool_.Y_int;
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else if (String_.Eq(v, "n")) return Bool_.N_int;
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else return Bool_.__int;
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}
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public static boolean parse_or(String v, boolean or) {
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int v_int = parse_as_int(v);
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switch (v_int) {
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case Bool_.N_int: return false;
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case Bool_.Y_int: return true;
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case Bool_.__int: return or;
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default: throw Err_.new_unhandled(v_int);
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}
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}
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public static boolean parse(String v) {
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int v_int = parse_as_int(v);
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if (v_int == Bool_.__int) Err_.new_unhandled(v);
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return v_int == Bool_.Y_int;
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}
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public static String To_str(boolean v) {return v ? "y" : "n";}
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public static String To_nullable_str(byte v) {
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switch (v) {
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case Bool_.Y_byte: return "y";
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case Bool_.N_byte: return "n";
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case Bool_.__byte: return "?";
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default: throw Err_.new_unhandled(v);
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}
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}
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public static byte To_nullable_byte(String v) {
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if (v != null && String_.Len(v) == 1) {
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char c = String_.CharAt(v, 0);
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switch (c) {
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case 'y': return Bool_.Y_byte;
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case 'n': return Bool_.N_byte;
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case '?': return Bool_.__byte;
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}
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}
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throw Err_.new_unhandled(v);
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}
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public static boolean store_bool_or(SrlMgr mgr, String key, boolean or) {
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String v = mgr.SrlStrOr(key, "");
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return mgr.Type_rdr() ? parse_or(v, or) : or;
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}
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public static boolean coerce_(Object o) {String s = String_.as_(o); return s != null ? parse_or(s, false) : Bool_.Cast(o);}
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public static boolean readOrFalse_(DataRdr rdr, String key) {return read_(rdr, key, false);}
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public static boolean readOrTrue_(DataRdr rdr, String key) {return read_(rdr, key, true);}
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static boolean read_(DataRdr rdr, String key, boolean or) {
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String v = rdr.ReadStrOr(key, null);
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return parse_or(v, or);
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}
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} |