Protocol Buffers - Google's data interchange format (grpc依赖)
https://developers.google.com/protocol-buffers/
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82 lines
3.1 KiB
82 lines
3.1 KiB
10 years ago
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// 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 GPBMessage;
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@class GPBExtensionRegistry;
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// Reads and decodes protocol message fields.
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// Subclassing of GPBCodedInputStream is NOT supported.
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@interface GPBCodedInputStream : NSObject
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+ (instancetype)streamWithData:(NSData *)data;
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- (instancetype)initWithData:(NSData *)data;
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// Attempt to read a field tag, returning zero if we have reached EOF.
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// Protocol message parsers use this to read tags, since a protocol message
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// may legally end wherever a tag occurs, and zero is not a valid tag number.
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- (int32_t)readTag;
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- (double)readDouble;
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- (float)readFloat;
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- (uint64_t)readUInt64;
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- (uint32_t)readUInt32;
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- (int64_t)readInt64;
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- (int32_t)readInt32;
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- (uint64_t)readFixed64;
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- (uint32_t)readFixed32;
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- (int32_t)readEnum;
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- (int32_t)readSFixed32;
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- (int64_t)readSFixed64;
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- (int32_t)readSInt32;
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- (int64_t)readSInt64;
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- (BOOL)readBool;
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- (NSString *)readString;
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- (NSData *)readData;
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// Read an embedded message field value from the stream.
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- (void)readMessage:(GPBMessage *)message
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extensionRegistry:(GPBExtensionRegistry *)extensionRegistry;
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// Reads and discards a single field, given its tag value.
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- (BOOL)skipField:(int32_t)tag;
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// Reads and discards an entire message. This will read either until EOF
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// or until an endgroup tag, whichever comes first.
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- (void)skipMessage;
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// Verifies that the last call to readTag() returned the given tag value.
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// This is used to verify that a nested group ended with the correct
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// end tag.
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- (void)checkLastTagWas:(int32_t)value;
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@end
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