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 /// A collection of unknown fields. 38 @interface GPBUnknownFieldSet : NSObject<NSCopying> 39 40 /// Tests to see if the given field number has a value. 41 /// 42 /// @param number The field number to check. 43 /// 44 /// @return YES if there is an unknown field for the given field number. 45 - (BOOL)hasField:(int32_t)number; 46 47 /// Fetches the @c GPBUnknownField for the given field number. 48 /// 49 /// @param number The field number to look up. 50 /// 51 /// @return The @c GPBUnknownField or nil. 52 - (nullable GPBUnknownField *)getField:(int32_t)number; 53 54 /// Returns the number of fields in this set. 55 - (NSUInteger)countOfFields; 56 57 /// Adds the given field to the set. 58 - (void)addField:(GPBUnknownField *)field; 59 60 /// Returns an NSArray of the @c GPBUnknownFields sorted by the field numbers. 61 - (NSArray<GPBUnknownField*> *)sortedFields; 62 63 @end 64 65 NS_ASSUME_NONNULL_END 66