ValidateVisitor {

    {{
    private String errors = "";
    }}
    {{
    private Hashtable ids = null;
    }}


    before XMLDoc {{
        ids = host.get_element_ids();
    }}

    before S {{

        if (host.get_depth() != null)
        {
            if (host.get_depth().get_value() < 1)
                addError("Value (" + host.get_depth().get_value() + ") in element 'depth' cannot be < 1");
        }
    }}

    before C {{

        if (host.get_depth() != null)
        {
            if (host.get_depth().get_value() < 1)
                addError("Value (" + host.get_depth().get_value() + ") in element 'depth' cannot be < 1");
        }

        if (new String("
+
*").indexOf("
" + host.get_op().get_value() + "") < 0)
            addError("Value (" + host.get_op().get_value() + ") in element 'op' is not one of the enumerated values");

        if (host.get_argsListUnit().size() < 1)
            addError("Size (" + host.get_argsListUnit().size() + ") of 'argsListUnit' list cannot be less than 1");
    }}


    public String get_return_val() {{
        return errors;
    }}

    private void addError(String errorText) {{
        errors = errors + "\n" + errorText;
    }}

}  // end of class ValidateVisitor