Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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70 lines
2.4 KiB
70 lines
2.4 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// |
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// Use of this source code is governed by a BSD-style |
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// license that can be found in the LICENSE file or at |
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// https://developers.google.com/open-source/licenses/bsd |
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#import <Foundation/Foundation.h> |
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#import "GPBDescriptor.h" |
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NS_ASSUME_NONNULL_BEGIN |
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/** |
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* A table of known extensions, searchable by name or field number. When |
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* parsing a protocol message that might have extensions, you must provide a |
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* GPBExtensionRegistry in which you have registered any extensions that you |
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* want to be able to parse. Otherwise, those extensions will just be treated |
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* like unknown fields. |
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**/ |
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@protocol GPBExtensionRegistry <NSObject> |
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/** |
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* Looks for the extension registered for the given field number on a given |
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* GPBDescriptor. |
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* |
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* @param descriptor The descriptor to look for a registered extension on. |
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* @param fieldNumber The field number of the extension to look for. |
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* |
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* @return The registered GPBExtensionDescriptor or nil if none was found. |
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**/ |
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- (nullable GPBExtensionDescriptor *)extensionForDescriptor:(GPBDescriptor *)descriptor |
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fieldNumber:(NSInteger)fieldNumber; |
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@end |
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/** |
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* A concrete implementation of `GPBExtensionRegistry`. |
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* |
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* The *Root classes provide `+extensionRegistry` for the extensions defined |
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* in a given file *and* all files it imports. You can also create a |
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* GPBExtensionRegistry, and merge those registries to handle parsing |
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* extensions defined from non overlapping files. |
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* |
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* ``` |
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* GPBExtensionRegistry *registry = [[MyProtoFileRoot extensionRegistry] copy]; |
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* [registry addExtension:[OtherMessage neededExtension]]; // Not in MyProtoFile |
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* NSError *parseError; |
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* MyMessage *msg = [MyMessage parseData:data extensionRegistry:registry error:&parseError]; |
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* ``` |
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**/ |
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__attribute__((objc_subclassing_restricted)) |
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@interface GPBExtensionRegistry : NSObject<NSCopying, GPBExtensionRegistry> |
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/** |
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* Adds the given GPBExtensionDescriptor to this registry. |
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* |
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* @param extension The extension description to add. |
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**/ |
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- (void)addExtension:(GPBExtensionDescriptor *)extension; |
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/** |
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* Adds all the extensions from another registry to this registry. |
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* |
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* @param registry The registry to merge into this registry. |
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**/ |
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- (void)addExtensions:(GPBExtensionRegistry *)registry; |
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@end |
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NS_ASSUME_NONNULL_END
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