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

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/*
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;
public class Char_ {
public static final String Cls_val_name = "char";
public static final Class<?> Cls_ref_type = Character.class;
public static final char Null = '\0', NewLine = '\n';
public static boolean IsCaseLower(char c) {return Character.isLowerCase(c);}
public static boolean IsLetterOrDigit(char c) {return Character.isLetterOrDigit(c);}
public static boolean IsLetterEnglish(char c) {
switch (c) {
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o': case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y': case 'z':
case 'A': case 'B': case 'C': case 'D': case 'E': case 'F': case 'G': case 'H': case 'I': case 'J':
case 'K': case 'L': case 'M': case 'N': case 'O': case 'P': case 'Q': case 'R': case 'S': case 'T':
case 'U': case 'V': case 'W': case 'X': case 'Y': case 'Z': return true;
default: return false;
}
}
public static boolean IsLetterLowerEnglish(char c) {
switch (c) {
case 'a': case 'b': case 'c': case 'd': case 'e': case 'f': case 'g': case 'h': case 'i': case 'j':
case 'k': case 'l': case 'm': case 'n': case 'o': case 'p': case 'q': case 'r': case 's': case 't':
case 'u': case 'v': case 'w': case 'x': case 'y': case 'z': return true;
default: return false;
}
}
public static boolean IsNumber(char c) {
switch (c) {
case '0': case '1': case '2': case '3': case '4': case '5': case '6': case '7': case '8': case '9': return true;
default: return false;
}
}
public static boolean IsWhitespace(char c) {
switch (c) {
case ' ': case '\t': case '\n': case '\r': return true;
default: return false;
}
}
public static boolean In(char match, char... ary) {
for (char itm : ary)
if (itm == match) return true;
return false;
}
public static int To_int_or(char c, int or) {
switch (c) {
case '0': return 0; case '1': return 1; case '2': return 2; case '3': return 3; case '4': return 4;
case '5': return 5; case '6': return 6; case '7': return 7; case '8': return 8; case '9': return 9;
default: return or;
}
}
public static String To_str(char[] ary, int pos, int length) {return new String(ary, pos, length);}
public static String To_str(int b) {return To_str((char)b);}
public static String To_str(char c) {return String.valueOf(c);}
public static char By_int(int i) {return (char)i;}
public static char cast(Object o) {try {return (Character)o;} catch(Exception e) {throw Err_.new_type_mismatch_w_exc(e, char.class, o);}}
public static char parse(String raw) {try {return raw.charAt(0);} catch(Exception exc) {throw Err_.new_parse_exc(exc, char.class, raw);}}
}