void visit(rule_type const& r)
{
const symbolizers& symbols = r.get_symbolizers();
symbolizers::const_iterator symIter=symbols.begin();
symbolizer_attributes attr(names_);
while (symIter != symbols.end())
{
boost::apply_visitor(attr,*symIter++);
}
filter_ptr const& filter = r.get_filter();
filter->accept(*this);
}
static boost::python::tuple
getstate(const rule_type& r)
{
boost::python::list syms;
rule_type::symbolizers::const_iterator begin = r.get_symbolizers().begin();
rule_type::symbolizers::const_iterator end = r.get_symbolizers().end();
pickle_symbolizer serializer( syms );
std::for_each( begin, end , boost::apply_visitor( serializer ));
// We serialize filter expressions AST as strings
std::string filter_expr = to_expression_string(*r.get_filter());
return boost::python::make_tuple(r.get_abstract(),filter_expr,r.has_else_filter(),syms);
}
