Method eQName

basex-core/src/main/java/org/basex/query/QueryParser.java:4426–4457

Parses the "EQName" rule. @param ns default namespace (can be null), or #SKIPCHECK to skip checks @param error optional error message. If not null, will be raised if no EQName is found @return QName or null @throws QueryException query exception

(final byte[] ns, final QueryError error)

   * @throws QueryException query exception
   */
  private QNm eQName(final byte[] ns, final QueryError error) throws QueryException {
    // parse URIQualifiedName
    final int p = pos;
    if(consume("Q{")) {
      final byte[] uri = bracedURILiteral(), name1 = ncName(null, true);
      if(name1.length != 0) {
        if(!consume(':')) return new QNm(name1, uri);
        final byte[] name2 = ncName(null, true);
        if(name2.length != 0) {
          if(uri.length == 0) throw error(PREFIXNOURI_X, name2);
          return new QNm(name1, name2, uri);
        }
      }
      pos = p;
    }

    // parse QName (null will only be returned if no error was raised)
    final byte[] nm = qName(error);
    if(nm.length == 0) return null;
    if(ns == SKIPCHECK) return new QNm(nm);

    // create new EQName and set namespace
    final QNm name = new QNm(nm, qc, sc);
    if(!name.hasURI()) {
      if(name.hasPrefix()) {
        pos = p;
        throw error(NOURI_X, name.prefix());
      }
      name.uri(ns);
    }
    return name;
  }

  /**
   * Parses the "QName" rule.