Method eval_string

contrib/pugixml/src/pugixml.cpp:11181–11422

		}

		xpath_string eval_string(const xpath_context& c, const xpath_stack& stack)
		{
			switch (_type)
			{
			case ast_string_constant:
				return xpath_string::from_const(_data.string);

			case ast_func_local_name_0:
			{
				xpath_node na = c.n;

				return xpath_string::from_const(local_name(na));
			}

			case ast_func_local_name_1:
			{
				xpath_allocator_capture cr(stack.result);

				xpath_node_set_raw ns = _left->eval_node_set(c, stack, nodeset_eval_first);
				xpath_node na = ns.first();

				return xpath_string::from_const(local_name(na));
			}

			case ast_func_name_0:
			{
				xpath_node na = c.n;

				return xpath_string::from_const(qualified_name(na));
			}

			case ast_func_name_1:
			{
				xpath_allocator_capture cr(stack.result);

				xpath_node_set_raw ns = _left->eval_node_set(c, stack, nodeset_eval_first);
				xpath_node na = ns.first();

				return xpath_string::from_const(qualified_name(na));
			}

			case ast_func_namespace_uri_0:
			{
				xpath_node na = c.n;

				return xpath_string::from_const(namespace_uri(na));
			}

			case ast_func_namespace_uri_1:
			{
				xpath_allocator_capture cr(stack.result);

				xpath_node_set_raw ns = _left->eval_node_set(c, stack, nodeset_eval_first);
				xpath_node na = ns.first();

				return xpath_string::from_const(namespace_uri(na));
			}