319 lines
11 KiB
Objective-C
319 lines
11 KiB
Objective-C
// 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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#import "GPBRuntimeTypes.h"
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@class GPBEnumDescriptor;
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@class GPBFieldDescriptor;
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@class GPBFileDescriptor;
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@class GPBOneofDescriptor;
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NS_ASSUME_NONNULL_BEGIN
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/** Syntax used in the proto file. */
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typedef NS_ENUM(uint8_t, GPBFileSyntax) {
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/** Unknown syntax. */
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GPBFileSyntaxUnknown = 0,
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/** Proto2 syntax. */
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GPBFileSyntaxProto2 = 2,
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/** Proto3 syntax. */
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GPBFileSyntaxProto3 = 3,
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};
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/** Type of proto field. */
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typedef NS_ENUM(uint8_t, GPBFieldType) {
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/** Optional/required field. Only valid for proto2 fields. */
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GPBFieldTypeSingle,
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/** Repeated field. */
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GPBFieldTypeRepeated,
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/** Map field. */
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GPBFieldTypeMap,
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};
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/**
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* Describes a proto message.
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**/
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@interface GPBDescriptor : NSObject<NSCopying>
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/** Name of the message. */
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@property(nonatomic, readonly, copy) NSString *name;
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/** Fields declared in the message. */
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@property(nonatomic, readonly, strong, nullable) NSArray<GPBFieldDescriptor*> *fields;
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/** Oneofs declared in the message. */
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@property(nonatomic, readonly, strong, nullable) NSArray<GPBOneofDescriptor*> *oneofs;
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/** Extension range declared for the message. */
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@property(nonatomic, readonly, nullable) const GPBExtensionRange *extensionRanges;
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/** Number of extension ranges declared for the message. */
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@property(nonatomic, readonly) uint32_t extensionRangesCount;
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/** Descriptor for the file where the message was defined. */
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@property(nonatomic, readonly) GPBFileDescriptor *file;
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/** Whether the message is in wire format or not. */
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@property(nonatomic, readonly, getter=isWireFormat) BOOL wireFormat;
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/** The class of this message. */
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@property(nonatomic, readonly) Class messageClass;
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/** Containing message descriptor if this message is nested, or nil otherwise. */
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@property(readonly, nullable) GPBDescriptor *containingType;
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/**
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* Fully qualified name for this message (package.message). Can be nil if the
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* value is unable to be computed.
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*/
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@property(readonly, nullable) NSString *fullName;
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/**
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* Gets the field for the given number.
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*
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* @param fieldNumber The number for the field to get.
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*
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* @return The field descriptor for the given number, or nil if not found.
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**/
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- (nullable GPBFieldDescriptor *)fieldWithNumber:(uint32_t)fieldNumber;
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/**
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* Gets the field for the given name.
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*
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* @param name The name for the field to get.
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*
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* @return The field descriptor for the given name, or nil if not found.
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**/
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- (nullable GPBFieldDescriptor *)fieldWithName:(NSString *)name;
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/**
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* Gets the oneof for the given name.
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*
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* @param name The name for the oneof to get.
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*
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* @return The oneof descriptor for the given name, or nil if not found.
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**/
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- (nullable GPBOneofDescriptor *)oneofWithName:(NSString *)name;
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@end
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/**
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* Describes a proto file.
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**/
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@interface GPBFileDescriptor : NSObject
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/** The package declared in the proto file. */
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@property(nonatomic, readonly, copy) NSString *package;
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/** The objc prefix declared in the proto file. */
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@property(nonatomic, readonly, copy, nullable) NSString *objcPrefix;
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/** The syntax of the proto file. */
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@property(nonatomic, readonly) GPBFileSyntax syntax;
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@end
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/**
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* Describes a oneof field.
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**/
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@interface GPBOneofDescriptor : NSObject
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/** Name of the oneof field. */
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@property(nonatomic, readonly) NSString *name;
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/** Fields declared in the oneof. */
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@property(nonatomic, readonly) NSArray<GPBFieldDescriptor*> *fields;
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/**
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* Gets the field for the given number.
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*
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* @param fieldNumber The number for the field to get.
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*
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* @return The field descriptor for the given number, or nil if not found.
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**/
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- (nullable GPBFieldDescriptor *)fieldWithNumber:(uint32_t)fieldNumber;
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/**
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* Gets the field for the given name.
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*
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* @param name The name for the field to get.
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*
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* @return The field descriptor for the given name, or nil if not found.
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**/
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- (nullable GPBFieldDescriptor *)fieldWithName:(NSString *)name;
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@end
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/**
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* Describes a proto field.
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**/
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@interface GPBFieldDescriptor : NSObject
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/** Name of the field. */
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@property(nonatomic, readonly, copy) NSString *name;
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/** Number associated with the field. */
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@property(nonatomic, readonly) uint32_t number;
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/** Data type contained in the field. */
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@property(nonatomic, readonly) GPBDataType dataType;
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/** Whether it has a default value or not. */
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@property(nonatomic, readonly) BOOL hasDefaultValue;
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/** Default value for the field. */
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@property(nonatomic, readonly) GPBGenericValue defaultValue;
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/** Whether this field is required. Only valid for proto2 fields. */
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@property(nonatomic, readonly, getter=isRequired) BOOL required;
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/** Whether this field is optional. */
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@property(nonatomic, readonly, getter=isOptional) BOOL optional;
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/** Type of field (single, repeated, map). */
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@property(nonatomic, readonly) GPBFieldType fieldType;
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/** Type of the key if the field is a map. The value's type is -dataType. */
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@property(nonatomic, readonly) GPBDataType mapKeyDataType;
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/** Whether the field is packable. */
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@property(nonatomic, readonly, getter=isPackable) BOOL packable;
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/** The containing oneof if this field is part of one, nil otherwise. */
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@property(nonatomic, readonly, nullable) GPBOneofDescriptor *containingOneof;
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/** Class of the message if the field is of message type. */
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@property(nonatomic, readonly, nullable) Class msgClass;
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/** Descriptor for the enum if this field is an enum. */
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@property(nonatomic, readonly, strong, nullable) GPBEnumDescriptor *enumDescriptor;
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/**
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* Checks whether the given enum raw value is a valid enum value.
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*
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* @param value The raw enum value to check.
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*
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* @return YES if value is a valid enum raw value.
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**/
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- (BOOL)isValidEnumValue:(int32_t)value;
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/** @return Name for the text format, or nil if not known. */
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- (nullable NSString *)textFormatName;
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@end
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/**
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* Describes a proto enum.
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**/
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@interface GPBEnumDescriptor : NSObject
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/** Name of the enum. */
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@property(nonatomic, readonly, copy) NSString *name;
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/** Function that validates that raw values are valid enum values. */
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@property(nonatomic, readonly) GPBEnumValidationFunc enumVerifier;
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/**
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* Returns the enum value name for the given raw enum.
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*
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* Note that there can be more than one name corresponding to a given value
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* if the allow_alias option is used.
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*
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* @param number The raw enum value.
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*
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* @return The first name that matches the enum value passed, or nil if not valid.
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**/
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- (nullable NSString *)enumNameForValue:(int32_t)number;
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/**
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* Gets the enum raw value for the given enum name.
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*
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* @param outValue A pointer where the value will be set.
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* @param name The enum name for which to get the raw value.
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*
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* @return YES if a value was copied into the pointer, NO otherwise.
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**/
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- (BOOL)getValue:(nullable int32_t *)outValue forEnumName:(NSString *)name;
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/**
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* Returns the text format for the given raw enum value.
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*
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* @param number The raw enum value.
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*
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* @return The first text format name which matches the enum value, or nil if not valid.
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**/
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- (nullable NSString *)textFormatNameForValue:(int32_t)number;
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/**
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* Gets the enum raw value for the given text format name.
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*
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* @param outValue A pointer where the value will be set.
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* @param textFormatName The text format name for which to get the raw value.
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*
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* @return YES if a value was copied into the pointer, NO otherwise.
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**/
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- (BOOL)getValue:(nullable int32_t *)outValue forEnumTextFormatName:(NSString *)textFormatName;
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/**
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* Gets the number of defined enum names.
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*
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* @return Count of the number of enum names, including any aliases.
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*/
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@property(nonatomic, readonly) uint32_t enumNameCount;
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/**
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* Gets the enum name corresponding to the given index.
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*
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* @param index Index into the available names. The defined range is from 0
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* to self.enumNameCount - 1.
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*
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* @returns The enum name at the given index, or nil if the index is out of range.
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*/
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- (nullable NSString *)getEnumNameForIndex:(uint32_t)index;
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/**
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* Gets the enum text format name corresponding to the given index.
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*
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* @param index Index into the available names. The defined range is from 0
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* to self.enumNameCount - 1.
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*
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* @returns The text format name at the given index, or nil if the index is out of range.
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*/
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- (nullable NSString *)getEnumTextFormatNameForIndex:(uint32_t)index;
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@end
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/**
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* Describes a proto extension.
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**/
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@interface GPBExtensionDescriptor : NSObject<NSCopying>
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/** Field number under which the extension is stored. */
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@property(nonatomic, readonly) uint32_t fieldNumber;
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/** The containing message class, i.e. the class extended by this extension. */
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@property(nonatomic, readonly) Class containingMessageClass;
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/** Data type contained in the extension. */
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@property(nonatomic, readonly) GPBDataType dataType;
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/** Whether the extension is repeated. */
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@property(nonatomic, readonly, getter=isRepeated) BOOL repeated;
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/** Whether the extension is packable. */
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@property(nonatomic, readonly, getter=isPackable) BOOL packable;
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/** The class of the message if the extension is of message type. */
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@property(nonatomic, readonly) Class msgClass;
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/** The singleton name for the extension. */
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@property(nonatomic, readonly) NSString *singletonName;
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/** The enum descriptor if the extension is of enum type. */
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@property(nonatomic, readonly, strong, nullable) GPBEnumDescriptor *enumDescriptor;
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/** The default value for the extension. */
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@property(nonatomic, readonly, nullable) id defaultValue;
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@end
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NS_ASSUME_NONNULL_END
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