| // Copyright 2019 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_SERVICES_CUPS_PROXY_IPP_ATTRIBUTE_VALIDATOR_H_ |
| #define CHROME_SERVICES_CUPS_PROXY_IPP_ATTRIBUTE_VALIDATOR_H_ |
| |
| #include <cups/ipp.h> |
| |
| #include <string> |
| |
| #include "chrome/services/cups_ipp_parser/public/mojom/ipp_parser.mojom.h" |
| |
| namespace cups_proxy { |
| |
| // Validates an attribute |name| of type |type| in operation |ipp_oper_id|. |
| // |values_count| represents number of values in the attribute. The following |
| // constraints are enforced: |
| // - only operations from predefined set are accepted |
| // - only attributes from predefined set are accepted |
| // - an attribute must be part of given operation (request or response) |
| // - a type of the attribute must match the specification |
| // - a single-value attribute cannot have more than one value |
| // - a set-of-values attribute cannot be empty |
| // Returns false <=> at least one of the constraints has been violated. |
| bool ValidateAttribute(ipp_op_t ipp_oper_id, |
| const std::string& name, |
| cups_ipp_parser::mojom::ValueType type, |
| size_t values_count); |
| |
| } // namespace cups_proxy |
| |
| #endif // CHROME_SERVICES_CUPS_PROXY_IPP_ATTRIBUTE_VALIDATOR_H_ |
