7377eb2b03
Objc any helpers
235 lines
8.4 KiB
Objective-C
235 lines
8.4 KiB
Objective-C
// Protocol Buffers - Google's data interchange format
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// Copyright 2015 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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// This CPP symbol can be defined to use imports that match up to the framework
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// imports needed when using CocoaPods.
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#if !defined(GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS)
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#define GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS 0
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#endif
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#if GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS
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#import <Protobuf/Any.pbobjc.h>
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#import <Protobuf/Duration.pbobjc.h>
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#import <Protobuf/Timestamp.pbobjc.h>
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#else
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#import "google/protobuf/Any.pbobjc.h"
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#import "google/protobuf/Duration.pbobjc.h"
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#import "google/protobuf/Timestamp.pbobjc.h"
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#endif
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NS_ASSUME_NONNULL_BEGIN
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#pragma mark - Errors
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/** NSError domain used for errors. */
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extern NSString *const GPBWellKnownTypesErrorDomain;
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/** Error code for NSError with GPBWellKnownTypesErrorDomain. */
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typedef NS_ENUM(NSInteger, GPBWellKnownTypesErrorCode) {
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/** The type_url could not be computed for the requested GPBMessage class. */
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GPBWellKnownTypesErrorCodeFailedToComputeTypeURL = -100,
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/** type_url in a Any doesn’t match that of the requested GPBMessage class. */
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GPBWellKnownTypesErrorCodeTypeURLMismatch = -101,
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};
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#pragma mark - GPBTimestamp
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/**
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* Category for GPBTimestamp to work with standard Foundation time/date types.
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**/
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@interface GPBTimestamp (GBPWellKnownTypes)
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/** The NSDate representation of this GPBTimestamp. */
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@property(nonatomic, readwrite, strong) NSDate *date;
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/**
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* The NSTimeInterval representation of this GPBTimestamp.
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*
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* @note: Not all second/nanos combinations can be represented in a
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* NSTimeInterval, so getting this could be a lossy transform.
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**/
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@property(nonatomic, readwrite) NSTimeInterval timeIntervalSince1970;
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/**
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* Initializes a GPBTimestamp with the given NSDate.
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*
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* @param date The date to configure the GPBTimestamp with.
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*
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* @return A newly initialized GPBTimestamp.
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**/
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- (instancetype)initWithDate:(NSDate *)date;
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/**
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* Initializes a GPBTimestamp with the given NSTimeInterval.
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*
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* @param timeIntervalSince1970 Time interval to configure the GPBTimestamp with.
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*
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* @return A newly initialized GPBTimestamp.
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**/
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- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970;
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@end
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#pragma mark - GPBDuration
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/**
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* Category for GPBDuration to work with standard Foundation time type.
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**/
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@interface GPBDuration (GBPWellKnownTypes)
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/**
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* The NSTimeInterval representation of this GPBDuration.
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*
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* @note: Not all second/nanos combinations can be represented in a
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* NSTimeInterval, so getting this could be a lossy transform.
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**/
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@property(nonatomic, readwrite) NSTimeInterval timeIntervalSince1970;
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/**
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* Initializes a GPBDuration with the given NSTimeInterval.
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*
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* @param timeIntervalSince1970 Time interval to configure the GPBDuration with.
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*
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* @return A newly initialized GPBDuration.
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**/
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- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970;
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@end
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#pragma mark - GPBAny
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/**
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* Category for GPBAny to help work with the message within the object.
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**/
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@interface GPBAny (GBPWellKnownTypes)
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/**
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* Convenience method to create a GPBAny containing the serialized message.
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* This uses type.googleapis.com/ as the type_url's prefix.
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*
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* @param message The message to be packed into the GPBAny.
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* @param errorPtr Pointer to an error that will be populated if something goes
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* wrong.
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*
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* @return A newly configured GPBAny with the given message, or nil on failure.
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*/
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+ (nullable instancetype)anyWithMessage:(nonnull GPBMessage *)message
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error:(NSError **)errorPtr;
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/**
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* Convenience method to create a GPBAny containing the serialized message.
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*
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* @param message The message to be packed into the GPBAny.
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* @param typeURLPrefix The URL prefix to apply for type_url.
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* @param errorPtr Pointer to an error that will be populated if something
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* goes wrong.
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*
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* @return A newly configured GPBAny with the given message, or nil on failure.
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*/
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+ (nullable instancetype)anyWithMessage:(nonnull GPBMessage *)message
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typeURLPrefix:(nonnull NSString *)typeURLPrefix
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error:(NSError **)errorPtr;
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/**
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* Initializes a GPBAny to contain the serialized message. This uses
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* type.googleapis.com/ as the type_url's prefix.
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*
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* @param message The message to be packed into the GPBAny.
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* @param errorPtr Pointer to an error that will be populated if something goes
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* wrong.
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*
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* @return A newly configured GPBAny with the given message, or nil on failure.
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*/
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- (nullable instancetype)initWithMessage:(nonnull GPBMessage *)message
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error:(NSError **)errorPtr;
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/**
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* Initializes a GPBAny to contain the serialized message.
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*
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* @param message The message to be packed into the GPBAny.
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* @param typeURLPrefix The URL prefix to apply for type_url.
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* @param errorPtr Pointer to an error that will be populated if something
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* goes wrong.
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*
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* @return A newly configured GPBAny with the given message, or nil on failure.
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*/
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- (nullable instancetype)initWithMessage:(nonnull GPBMessage *)message
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typeURLPrefix:(nonnull NSString *)typeURLPrefix
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error:(NSError **)errorPtr;
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/**
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* Packs the serialized message into this GPBAny. This uses
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* type.googleapis.com/ as the type_url's prefix.
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*
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* @param message The message to be packed into the GPBAny.
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* @param errorPtr Pointer to an error that will be populated if something goes
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* wrong.
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*
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* @return Whether the packing was successful or not.
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*/
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- (BOOL)packWithMessage:(nonnull GPBMessage *)message
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error:(NSError **)errorPtr;
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/**
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* Packs the serialized message into this GPBAny.
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*
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* @param message The message to be packed into the GPBAny.
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* @param typeURLPrefix The URL prefix to apply for type_url.
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* @param errorPtr Pointer to an error that will be populated if something
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* goes wrong.
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*
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* @return Whether the packing was successful or not.
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*/
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- (BOOL)packWithMessage:(nonnull GPBMessage *)message
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typeURLPrefix:(nonnull NSString *)typeURLPrefix
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error:(NSError **)errorPtr;
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/**
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* Unpacks the serialized message as if it was an instance of the given class.
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*
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* @note When checking type_url, the base URL is not checked, only the fully
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* qualified name.
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*
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* @param messageClass The class to use to deserialize the contained message.
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* @param errorPtr Pointer to an error that will be populated if something
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* goes wrong.
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*
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* @return An instance of the given class populated with the contained data, or
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* nil on failure.
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*/
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- (nullable GPBMessage *)unpackMessageClass:(Class)messageClass
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error:(NSError **)errorPtr;
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@end
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NS_ASSUME_NONNULL_END
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