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// Copyright 2018 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.
// Defines a mojom representation for an IPP, Internet Printing Protocol,
// request, IppRequest, and an interface for parsing arbitrary requests into
// this format, IppParser.
module ipp_parser.mojom;
[Extensible] enum ValueType {
struct Resolution {
int32 xres;
int32 yres;
union IppAttributeValue {
array<bool> bools;
// Per the RFC1903 DateAndTime specification, date's are serialized as a
// string of 11 octets.
array<uint8> date;
array<int32> ints;
array<string> strings;
array<array<uint8>> octets;
array<Resolution> resolutions;
struct IppAttribute {
string name;
int64 group_tag;
int64 value_tag;
ValueType type;
IppAttributeValue value;
struct IppMessage {
int64 major_version;
int64 minor_version;
int64 operation_id;
int64 request_id;
array<IppAttribute> attributes;
struct IppRequest {
string method;
string endpoint;
string http_version;
map<string, string> headers;
IppMessage ipp;
array<uint8> data;
// Implemented by the CupsIppParserService; supports parsing arbitrary IPP
// requests.
interface IppParser {
// Treats |to_parse| as an IPP request and attempts to parse into IppRequest
// format. Returns empty IppRequest on failure.
ParseIpp(array<uint8> to_parse) => (IppRequest? request);