1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 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 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 #import <Foundation/Foundation.h> 32 33 @class GPBUnknownField; 34 35 NS_ASSUME_NONNULL_BEGIN 36 37 /** 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. 42 **/ 43 @interface GPBUnknownFieldSet : NSObject<NSCopying> 44 45 /** 46 * Tests to see if the given field number has a value. 47 * 48 * @param number The field number to check. 49 * 50 * @return YES if there is an unknown field for the given field number. 51 **/ 52 - (BOOL)hasField:(int32_t)number; 53 54 /** 55 * Fetches the GPBUnknownField for the given field number. 56 * 57 * @param number The field number to look up. 58 * 59 * @return The GPBUnknownField or nil if none found. 60 **/ 61 - (nullable GPBUnknownField *)getField:(int32_t)number; 62 63 /** 64 * @return The number of fields in this set. 65 **/ 66 - (NSUInteger)countOfFields; 67 68 /** 69 * Adds the given field to the set. 70 * 71 * @param field The field to add to the set. 72 **/ 73 - (void)addField:(GPBUnknownField *)field; 74 75 /** 76 * @return An array of the GPBUnknownFields sorted by the field numbers. 77 **/ 78 - (NSArray<GPBUnknownField *> *)sortedFields; 79 80 @end 81 82 NS_ASSUME_NONNULL_END 83