protobuf/objectivec/GPBWellKnownTypes.h
Thomas Van Lenten d0bc096b4a Timestamp helper fix, Duration helper cleanup.
- The Timestamp proto does not allow for negative nanos fields, so the seconds
  must be shifted and a positive nanos then applied.
- Tweak the helpers on Duration to make it clear there is no "base" time
  involved.
- Update the unittests for duration and timestamp to cover positive and
  negative NSTimeIntervals and what their impact is on the protos.
2017-01-12 19:33:25 -05:00

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// Protocol Buffers - Google's data interchange format
// Copyright 2015 Google Inc. All rights reserved.
// https://developers.google.com/protocol-buffers/
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#import <Foundation/Foundation.h>
// This CPP symbol can be defined to use imports that match up to the framework
// imports needed when using CocoaPods.
#if !defined(GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS)
#define GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS 0
#endif
#if GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS
#import <Protobuf/Any.pbobjc.h>
#import <Protobuf/Duration.pbobjc.h>
#import <Protobuf/Timestamp.pbobjc.h>
#else
#import "google/protobuf/Any.pbobjc.h"
#import "google/protobuf/Duration.pbobjc.h"
#import "google/protobuf/Timestamp.pbobjc.h"
#endif
NS_ASSUME_NONNULL_BEGIN
#pragma mark - Errors
/** NSError domain used for errors. */
extern NSString *const GPBWellKnownTypesErrorDomain;
/** Error code for NSError with GPBWellKnownTypesErrorDomain. */
typedef NS_ENUM(NSInteger, GPBWellKnownTypesErrorCode) {
/** The type_url could not be computed for the requested GPBMessage class. */
GPBWellKnownTypesErrorCodeFailedToComputeTypeURL = -100,
/** type_url in a Any doesnt match that of the requested GPBMessage class. */
GPBWellKnownTypesErrorCodeTypeURLMismatch = -101,
};
#pragma mark - GPBTimestamp
/**
* Category for GPBTimestamp to work with standard Foundation time/date types.
**/
@interface GPBTimestamp (GBPWellKnownTypes)
/** The NSDate representation of this GPBTimestamp. */
@property(nonatomic, readwrite, strong) NSDate *date;
/**
* The NSTimeInterval representation of this GPBTimestamp.
*
* @note: Not all second/nanos combinations can be represented in a
* NSTimeInterval, so getting this could be a lossy transform.
**/
@property(nonatomic, readwrite) NSTimeInterval timeIntervalSince1970;
/**
* Initializes a GPBTimestamp with the given NSDate.
*
* @param date The date to configure the GPBTimestamp with.
*
* @return A newly initialized GPBTimestamp.
**/
- (instancetype)initWithDate:(NSDate *)date;
/**
* Initializes a GPBTimestamp with the given NSTimeInterval.
*
* @param timeIntervalSince1970 Time interval to configure the GPBTimestamp with.
*
* @return A newly initialized GPBTimestamp.
**/
- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970;
@end
#pragma mark - GPBDuration
/**
* Category for GPBDuration to work with standard Foundation time type.
**/
@interface GPBDuration (GBPWellKnownTypes)
/**
* The NSTimeInterval representation of this GPBDuration.
*
* @note: Not all second/nanos combinations can be represented in a
* NSTimeInterval, so getting this could be a lossy transform.
**/
@property(nonatomic, readwrite) NSTimeInterval timeInterval;
/**
* Initializes a GPBDuration with the given NSTimeInterval.
*
* @param timeInterval Time interval to configure the GPBDuration with.
*
* @return A newly initialized GPBDuration.
**/
- (instancetype)initWithTimeInterval:(NSTimeInterval)timeInterval;
// These next two methods are deprecated because GBPDuration has no need of a
// "base" time. The older methods were about symmetry with GBPTimestamp, but
// the unix epoch usage is too confusing.
/** Deprecated, use timeInterval instead. */
@property(nonatomic, readwrite) NSTimeInterval timeIntervalSince1970
__attribute__((deprecated("Use timeInterval")));
/** Deprecated, use initWithTimeInterval: instead. */
- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970
__attribute__((deprecated("Use initWithTimeInterval:")));
@end
#pragma mark - GPBAny
/**
* Category for GPBAny to help work with the message within the object.
**/
@interface GPBAny (GBPWellKnownTypes)
/**
* Convenience method to create a GPBAny containing the serialized message.
* This uses type.googleapis.com/ as the type_url's prefix.
*
* @param message The message to be packed into the GPBAny.
* @param errorPtr Pointer to an error that will be populated if something goes
* wrong.
*
* @return A newly configured GPBAny with the given message, or nil on failure.
*/
+ (nullable instancetype)anyWithMessage:(nonnull GPBMessage *)message
error:(NSError **)errorPtr;
/**
* Convenience method to create a GPBAny containing the serialized message.
*
* @param message The message to be packed into the GPBAny.
* @param typeURLPrefix The URL prefix to apply for type_url.
* @param errorPtr Pointer to an error that will be populated if something
* goes wrong.
*
* @return A newly configured GPBAny with the given message, or nil on failure.
*/
+ (nullable instancetype)anyWithMessage:(nonnull GPBMessage *)message
typeURLPrefix:(nonnull NSString *)typeURLPrefix
error:(NSError **)errorPtr;
/**
* Initializes a GPBAny to contain the serialized message. This uses
* type.googleapis.com/ as the type_url's prefix.
*
* @param message The message to be packed into the GPBAny.
* @param errorPtr Pointer to an error that will be populated if something goes
* wrong.
*
* @return A newly configured GPBAny with the given message, or nil on failure.
*/
- (nullable instancetype)initWithMessage:(nonnull GPBMessage *)message
error:(NSError **)errorPtr;
/**
* Initializes a GPBAny to contain the serialized message.
*
* @param message The message to be packed into the GPBAny.
* @param typeURLPrefix The URL prefix to apply for type_url.
* @param errorPtr Pointer to an error that will be populated if something
* goes wrong.
*
* @return A newly configured GPBAny with the given message, or nil on failure.
*/
- (nullable instancetype)initWithMessage:(nonnull GPBMessage *)message
typeURLPrefix:(nonnull NSString *)typeURLPrefix
error:(NSError **)errorPtr;
/**
* Packs the serialized message into this GPBAny. This uses
* type.googleapis.com/ as the type_url's prefix.
*
* @param message The message to be packed into the GPBAny.
* @param errorPtr Pointer to an error that will be populated if something goes
* wrong.
*
* @return Whether the packing was successful or not.
*/
- (BOOL)packWithMessage:(nonnull GPBMessage *)message
error:(NSError **)errorPtr;
/**
* Packs the serialized message into this GPBAny.
*
* @param message The message to be packed into the GPBAny.
* @param typeURLPrefix The URL prefix to apply for type_url.
* @param errorPtr Pointer to an error that will be populated if something
* goes wrong.
*
* @return Whether the packing was successful or not.
*/
- (BOOL)packWithMessage:(nonnull GPBMessage *)message
typeURLPrefix:(nonnull NSString *)typeURLPrefix
error:(NSError **)errorPtr;
/**
* Unpacks the serialized message as if it was an instance of the given class.
*
* @note When checking type_url, the base URL is not checked, only the fully
* qualified name.
*
* @param messageClass The class to use to deserialize the contained message.
* @param errorPtr Pointer to an error that will be populated if something
* goes wrong.
*
* @return An instance of the given class populated with the contained data, or
* nil on failure.
*/
- (nullable GPBMessage *)unpackMessageClass:(Class)messageClass
error:(NSError **)errorPtr;
@end
NS_ASSUME_NONNULL_END