[jdom-interest] Possible inconsistency in Verifier.isXMLCharacter()
Rolf Lear
rlear at algorithmics.com
Thu Apr 10 14:47:57 PDT 2003
This is the code from isXMLCharacter().
public static boolean isXMLCharacter(char c) {
if (c == '\n') return true;
if (c == '\r') return true;
if (c == '\t') return true;
if (c < 0x20) return false; if (c <= 0xD7FF) return true;
if (c < 0xE000) return false; if (c <= 0xFFFD) return true;
if (c < 0x10000) return false; if (c <= 0x10FFFF) return true;
return false;
}
Now, according to Java spec, chars have value 0x0000 through 0xffff
(http://java.sun.com/docs/books/jls/second_edition/html/typesValues.doc.html
#9151)
Thus, the line:
if (c < 0x10000) return false; if (c <= 0x10FFFF) return true;
is redundant, until there is a java with more than 2 byte chars.
So, whatever characters are meant to be in the range 0x10000 through 0x10FFF
they will never validate.
Rolf
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