Method nsScope

basex-core/src/main/java/org/basex/query/value/node/XNode.java:291–304

Returns a copy of the namespace hierarchy. @param qc query context (can be null) @return namespaces

(final QueryContext qc)

   * @return namespaces
   */
  public final Atts nsScope(final QueryContext qc) {
    final Atts ns = new Atts();
    for(XNode node = this; node != null; node = node.parent()) {
      final Atts nsp = node.namespaces();
      if(nsp != null) {
        for(int a = nsp.size() - 1; a >= 0; a--) {
          final byte[] name = nsp.name(a);
          if(!ns.contains(name)) ns.add(name, nsp.value(a));
        }
      }
    }
    if(qc != null) qc.ns.inScope(ns);
    return ns;
  }

  /**
   * Recursively finds the URI for the specified prefix.