1 // Protocol Buffers - Google's data interchange format
2 // Copyright 2008 Google Inc. All rights reserved.
3 // https://developers.google.com/protocol-buffers/
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are
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11 // * Redistributions in binary form must reproduce the above
12 // copyright notice, this list of conditions and the following disclaimer
13 // in the documentation and/or other materials provided with the
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17 // this software without specific prior written permission.
19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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31 #import <Foundation/Foundation.h>
33 @class GPBUnknownField;
35 NS_ASSUME_NONNULL_BEGIN
38 * A collection of unknown fields. Fields parsed from the binary representation
39 * of a message that are unknown end up in an instance of this set. This only
40 * applies for files declared with the "proto2" syntax. Files declared with the
41 * "proto3" syntax discard the unknown values.
43 @interface GPBUnknownFieldSet : NSObject<NSCopying>
46 * Tests to see if the given field number has a value.
48 * @param number The field number to check.
50 * @return YES if there is an unknown field for the given field number.
52 - (BOOL)hasField:(int32_t)number;
55 * Fetches the GPBUnknownField for the given field number.
57 * @param number The field number to look up.
59 * @return The GPBUnknownField or nil if none found.
61 - (nullable GPBUnknownField *)getField:(int32_t)number;
64 * @return The number of fields in this set.
66 - (NSUInteger)countOfFields;
69 * Adds the given field to the set.
71 * @param field The field to add to the set.
73 - (void)addField:(GPBUnknownField *)field;
76 * @return An array of the GPBUnknownFields sorted by the field numbers.
78 - (NSArray<GPBUnknownField *> *)sortedFields;