1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
|
// Protocol Buffers - Google's data interchange format
// Copyright 2008 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import <Foundation/Foundation.h>
@class GPBDescriptor;
@class GPBExtensionDescriptor;
NS_ASSUME_NONNULL_BEGIN
/**
* A table of known extensions, searchable by name or field number. When
* parsing a protocol message that might have extensions, you must provide a
* GPBExtensionRegistry in which you have registered any extensions that you
* want to be able to parse. Otherwise, those extensions will just be treated
* like unknown fields.
*
* The *Root classes provide `+extensionRegistry` for the extensions defined
* in a given file *and* all files it imports. You can also create a
* GPBExtensionRegistry, and merge those registries to handle parsing
* extensions defined from non overlapping files.
*
* ```
* GPBExtensionRegistry *registry = [[MyProtoFileRoot extensionRegistry] copy];
* [registry addExtension:[OtherMessage neededExtension]]; // Not in MyProtoFile
* NSError *parseError;
* MyMessage *msg = [MyMessage parseData:data extensionRegistry:registry error:&parseError];
* ```
**/
@interface GPBExtensionRegistry : NSObject<NSCopying>
/**
* Adds the given GPBExtensionDescriptor to this registry.
*
* @param extension The extension description to add.
**/
- (void)addExtension:(GPBExtensionDescriptor *)extension;
/**
* Adds all the extensions from another registry to this registry.
*
* @param registry The registry to merge into this registry.
**/
- (void)addExtensions:(GPBExtensionRegistry *)registry;
/**
* Looks for the extension registered for the given field number on a given
* GPBDescriptor.
*
* @param descriptor The descriptor to look for a registered extension on.
* @param fieldNumber The field number of the extension to look for.
*
* @return The registered GPBExtensionDescriptor or nil if none was found.
**/
- (nullable GPBExtensionDescriptor *)extensionForDescriptor:(GPBDescriptor *)descriptor
fieldNumber:(NSInteger)fieldNumber;
@end
NS_ASSUME_NONNULL_END
|
