/**
* Scans public ID literal.
*
* <p>[12] PubidLiteral ::= '"' PubidChar* '"' | "'" (PubidChar - "'")* "'" [13] PubidChar::= #x20
* | #xD | #xA | [a-zA-Z0-9] | [-'()+,./:=?;!*#@$_%]
*
* <p>The returned string is normalized according to the following rule, from
* http://www.w3.org/TR/REC-xml#dt-pubid:
*
* <p>Before a match is attempted, all strings of white space in the public identifier must be
* normalized to single space characters (#x20), and leading and trailing white space must be
* removed.
*
* @param literal The string to fill in with the public ID literal.
* @return True on success.
* <p><strong>Note:</strong> This method uses fStringBuffer, anything in it at the time of
* calling is lost.
*/
protected boolean scanPubidLiteral(XMLString literal) throws IOException, XNIException {
int quote = fEntityScanner.scanChar();
if (quote != '\'' && quote != '"') {
reportFatalError("QuoteRequiredInPublicID", null);
return false;
}
fStringBuffer.clear();
// skip leading whitespace
boolean skipSpace = true;
boolean dataok = true;
while (true) {
int c = fEntityScanner.scanChar();
// REVISIT: it could really only be \n or 0x20; all else is normalized, no? - neilg
if (c == ' ' || c == '\n' || c == '\r' || c == 0x85 || c == 0x2028) {
if (!skipSpace) {
// take the first whitespace as a space and skip the others
fStringBuffer.append(' ');
skipSpace = true;
}
} else if (c == quote) {
if (skipSpace) {
// if we finished on a space let's trim it
fStringBuffer.length--;
}
literal.setValues(fStringBuffer);
break;
} else if (XMLChar.isPubid(c)) {
fStringBuffer.append((char) c);
skipSpace = false;
} else if (c == -1) {
reportFatalError("PublicIDUnterminated", null);
return false;
} else {
dataok = false;
reportFatalError("InvalidCharInPublicID", new Object[] {Integer.toHexString(c)});
}
}
return dataok;
}
