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gnosygnu_xowa/100_core/src/gplx/Bool_.java

62 lines
2.6 KiB

/*
XOWA: the XOWA Offline Wiki Application
Copyright (C) 2012-2017 gnosygnu@gmail.com
XOWA is licensed under the terms of the General Public License (GPL) Version 3,
or alternatively under the terms of the Apache License Version 2.0.
You may use XOWA according to either of these licenses as is most appropriate
for your project on a case-by-case basis.
The terms of each license can be found in the source code repository:
GPLv3 License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-GPLv3.txt
Apache License: https://github.com/gnosygnu/xowa/blob/master/LICENSE-APACHE2.txt
*/
package gplx;
import gplx.langs.gfs.*;
public class Bool_ {
public static final String Cls_val_name = "bool";
public static final Class<?> Cls_ref_type = Boolean.class;
public static final boolean N = false , Y = true;
public static final byte N_byte = 0 , Y_byte = 1 , __byte = 127;
public static final int N_int = 0 , Y_int = 1 , __int = -1;
public static final byte[] N_bry = new byte[] {Byte_ascii.Ltr_n}, Y_bry = new byte[] {Byte_ascii.Ltr_y};
public static final String True_str = "true", False_str = "false";
public static final byte[] True_bry = Bry_.new_a7(True_str), False_bry = Bry_.new_a7(False_str);
public static boolean Cast(Object obj) {try {return (Boolean)obj;} catch (Exception e) {throw Err_.new_type_mismatch_w_exc(e, boolean.class, obj);}}
public static boolean Cast_or(Object obj, boolean or) {try {return (Boolean)obj;} catch (Exception e) {Err_.Noop(e); return or;}}
public static boolean Parse(String raw) {
if ( String_.Eq(raw, True_str)
|| String_.Eq(raw, "True") // needed for Store_Wtr(){boolVal.toString();}
)
return true;
else if ( String_.Eq(raw, False_str)
|| String_.Eq(raw, "False")
)
return false;
throw Err_.new_parse_type(boolean.class, raw);
}
public static boolean Parse_or(String raw, boolean or) {
if ( String_.Eq(raw, True_str)
|| String_.Eq(raw, "True") // needed for Store_Wtr(){boolVal.toString();}
)
return true;
else if ( String_.Eq(raw, False_str)
|| String_.Eq(raw, "False")
)
return false;
return or;
}
public static int Compare(boolean lhs, boolean rhs) {
if ( lhs == rhs) return CompareAble_.Same;
else if (!lhs && rhs) return CompareAble_.Less;
else /*lhs && !rhs*/ return CompareAble_.More;
}
public static boolean By_int(int v) {return v == Y_int;}
public static int To_int(boolean v) {return v ? Y_int : N_int;}
public static byte To_byte(boolean v) {return v ? Y_byte : N_byte;}
public static String To_str_lower(boolean v) {return v ? True_str : False_str;}
}