Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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82 lines
3.7 KiB
82 lines
3.7 KiB
// Protocol Buffers - Google's data interchange format |
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// Copyright 2008 Google Inc. All rights reserved. |
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// https://developers.google.com/protocol-buffers/ |
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// |
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// Redistribution and use in source and binary forms, with or without |
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// modification, are permitted provided that the following conditions are |
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// met: |
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// |
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// * Redistributions of source code must retain the above copyright |
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// notice, this list of conditions and the following disclaimer. |
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// * Redistributions in binary form must reproduce the above |
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// copyright notice, this list of conditions and the following disclaimer |
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// in the documentation and/or other materials provided with the |
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// distribution. |
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// * Neither the name of Google Inc. nor the names of its |
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// contributors may be used to endorse or promote products derived from |
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// this software without specific prior written permission. |
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// |
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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#import <Foundation/Foundation.h> |
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@class GPBDescriptor; |
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@class GPBExtensionDescriptor; |
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NS_ASSUME_NONNULL_BEGIN |
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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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/// @c 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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/// The @c *Root classes provide @c +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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/// @c 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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/// @code |
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/// GPBExtensionRegistry *registry = |
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/// [[[MyProtoFileRoot extensionRegistry] copy] autorelease]; |
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/// [registry addExtension:[OtherMessage neededExtension]; // Not in MyProtoFile |
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/// NSError *parseError = nil; |
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/// MyMessage *msg = [MyMessage parseData:data |
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/// extensionRegistry:registry |
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/// error:&parseError]; |
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/// @endcode |
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@interface GPBExtensionRegistry : NSObject<NSCopying> |
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/// Add the given @c GPBExtensionDescriptor to this registry. |
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/// |
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/// @param extension The extension description to add. |
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- (void)addExtension:(GPBExtensionDescriptor *)extension; |
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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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- (void)addExtensions:(GPBExtensionRegistry *)registry; |
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/// Looks for the extension registered for the given field number on a given |
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/// @c 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 an extension to look for. |
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/// |
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/// @return The registered @c GPBExtensionDescripto or nil if none was found. |
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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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NS_ASSUME_NONNULL_END
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