Method compare_rel

Tools/EditorFramework/pugixml.cpp:8247–8321

	template<class Comp>
	static bool compare_rel(
		xpath_ast_node* lhs,
		xpath_ast_node* rhs,
		const xpath_context& c,
		const xpath_stack& stack,
		const Comp& comp)
	{
		xpath_value_type lt = lhs->rettype(), rt = rhs->rettype();

		if (lt != xpath_type_node_set && rt != xpath_type_node_set)
			return comp(lhs->eval_number(c, stack), rhs->eval_number(c, stack));
		else if (lt == xpath_type_node_set && rt == xpath_type_node_set)
		{
			xpath_allocator_capture cr(stack.result);

			xpath_node_set_raw ls = lhs->eval_node_set(c, stack);
			xpath_node_set_raw rs = rhs->eval_node_set(c, stack);

			for (const xpath_node* li = ls.begin(); li != ls.end(); ++li)
			{
				xpath_allocator_capture cri(stack.result);

				double l = convert_string_to_number(string_value(*li, stack.result).c_str());

				for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
				{
					xpath_allocator_capture crii(stack.result);

					if (comp(l, convert_string_to_number(string_value(*ri, stack.result).c_str())))
						return true;
				}
			}

			return false;
		}
		else if (lt != xpath_type_node_set && rt == xpath_type_node_set)
		{
			xpath_allocator_capture cr(stack.result);

			double l = lhs->eval_number(c, stack);
			xpath_node_set_raw rs = rhs->eval_node_set(c, stack);

			for (const xpath_node* ri = rs.begin(); ri != rs.end(); ++ri)
			{
				xpath_allocator_capture cri(stack.result);

				if (comp(l, convert_string_to_number(string_value(*ri, stack.result).c_str())))
					return true;
			}

			return false;
		}
		else if (lt == xpath_type_node_set && rt != xpath_type_node_set)
		{
			xpath_allocator_capture cr(stack.result);

			xpath_node_set_raw ls = lhs->eval_node_set(c, stack);
			double r = rhs->eval_number(c, stack);