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Diffstat (limited to 'third_party/protobuf/3.4.0/objectivec/GPBWellKnownTypes.m')
-rw-r--r-- | third_party/protobuf/3.4.0/objectivec/GPBWellKnownTypes.m | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/third_party/protobuf/3.4.0/objectivec/GPBWellKnownTypes.m b/third_party/protobuf/3.4.0/objectivec/GPBWellKnownTypes.m new file mode 100644 index 0000000000..2808afeb23 --- /dev/null +++ b/third_party/protobuf/3.4.0/objectivec/GPBWellKnownTypes.m @@ -0,0 +1,272 @@ +// 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. + +// Importing sources here to force the linker to include our category methods in +// the static library. If these were compiled separately, the category methods +// below would be stripped by the linker. + +#import "GPBWellKnownTypes.h" + +#import "GPBUtilities_PackagePrivate.h" + +NSString *const GPBWellKnownTypesErrorDomain = + GPBNSStringifySymbol(GPBWellKnownTypesErrorDomain); + +static NSString *kTypePrefixGoogleApisCom = @"type.googleapis.com/"; + +static NSTimeInterval TimeIntervalFromSecondsAndNanos(int64_t seconds, + int32_t nanos) { + return seconds + (NSTimeInterval)nanos / 1e9; +} + +static int32_t SecondsAndNanosFromTimeInterval(NSTimeInterval time, + int64_t *outSeconds, + BOOL nanosMustBePositive) { + NSTimeInterval seconds; + NSTimeInterval nanos = modf(time, &seconds); + + if (nanosMustBePositive && (nanos < 0)) { + // Per Timestamp.proto, nanos is non-negative and "Negative second values with + // fractions must still have non-negative nanos values that count forward in + // time. Must be from 0 to 999,999,999 inclusive." + --seconds; + nanos = 1.0 + nanos; + } + + nanos *= 1e9; + *outSeconds = (int64_t)seconds; + return (int32_t)nanos; +} + +static NSString *BuildTypeURL(NSString *typeURLPrefix, NSString *fullName) { + if (typeURLPrefix.length == 0) { + return fullName; + } + + if ([typeURLPrefix hasSuffix:@"/"]) { + return [typeURLPrefix stringByAppendingString:fullName]; + } + + return [NSString stringWithFormat:@"%@/%@", typeURLPrefix, fullName]; +} + +static NSString *ParseTypeFromURL(NSString *typeURLString) { + NSRange range = [typeURLString rangeOfString:@"/" options:NSBackwardsSearch]; + if ((range.location == NSNotFound) || + (NSMaxRange(range) == typeURLString.length)) { + return nil; + } + NSString *result = [typeURLString substringFromIndex:range.location + 1]; + return result; +} + +#pragma mark - GPBTimestamp + +@implementation GPBTimestamp (GBPWellKnownTypes) + +- (instancetype)initWithDate:(NSDate *)date { + return [self initWithTimeIntervalSince1970:date.timeIntervalSince1970]; +} + +- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 { + if ((self = [super init])) { + int64_t seconds; + int32_t nanos = SecondsAndNanosFromTimeInterval( + timeIntervalSince1970, &seconds, YES); + self.seconds = seconds; + self.nanos = nanos; + } + return self; +} + +- (NSDate *)date { + return [NSDate dateWithTimeIntervalSince1970:self.timeIntervalSince1970]; +} + +- (void)setDate:(NSDate *)date { + self.timeIntervalSince1970 = date.timeIntervalSince1970; +} + +- (NSTimeInterval)timeIntervalSince1970 { + return TimeIntervalFromSecondsAndNanos(self.seconds, self.nanos); +} + +- (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 { + int64_t seconds; + int32_t nanos = + SecondsAndNanosFromTimeInterval(timeIntervalSince1970, &seconds, YES); + self.seconds = seconds; + self.nanos = nanos; +} + +@end + +#pragma mark - GPBDuration + +@implementation GPBDuration (GBPWellKnownTypes) + +- (instancetype)initWithTimeInterval:(NSTimeInterval)timeInterval { + if ((self = [super init])) { + int64_t seconds; + int32_t nanos = SecondsAndNanosFromTimeInterval( + timeInterval, &seconds, NO); + self.seconds = seconds; + self.nanos = nanos; + } + return self; +} + +- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 { + return [self initWithTimeInterval:timeIntervalSince1970]; +} + +- (NSTimeInterval)timeInterval { + return TimeIntervalFromSecondsAndNanos(self.seconds, self.nanos); +} + +- (void)setTimeInterval:(NSTimeInterval)timeInterval { + int64_t seconds; + int32_t nanos = + SecondsAndNanosFromTimeInterval(timeInterval, &seconds, NO); + self.seconds = seconds; + self.nanos = nanos; +} + +- (NSTimeInterval)timeIntervalSince1970 { + return self.timeInterval; +} + +- (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 { + self.timeInterval = timeIntervalSince1970; +} + +@end + +#pragma mark - GPBAny + +@implementation GPBAny (GBPWellKnownTypes) + ++ (instancetype)anyWithMessage:(GPBMessage *)message + error:(NSError **)errorPtr { + return [self anyWithMessage:message + typeURLPrefix:kTypePrefixGoogleApisCom + error:errorPtr]; +} + ++ (instancetype)anyWithMessage:(GPBMessage *)message + typeURLPrefix:(NSString *)typeURLPrefix + error:(NSError **)errorPtr { + return [[[self alloc] initWithMessage:message + typeURLPrefix:typeURLPrefix + error:errorPtr] autorelease]; +} + +- (instancetype)initWithMessage:(GPBMessage *)message + error:(NSError **)errorPtr { + return [self initWithMessage:message + typeURLPrefix:kTypePrefixGoogleApisCom + error:errorPtr]; +} + +- (instancetype)initWithMessage:(GPBMessage *)message + typeURLPrefix:(NSString *)typeURLPrefix + error:(NSError **)errorPtr { + self = [self init]; + if (self) { + if (![self packWithMessage:message + typeURLPrefix:typeURLPrefix + error:errorPtr]) { + [self release]; + self = nil; + } + } + return self; +} + +- (BOOL)packWithMessage:(GPBMessage *)message + error:(NSError **)errorPtr { + return [self packWithMessage:message + typeURLPrefix:kTypePrefixGoogleApisCom + error:errorPtr]; +} + +- (BOOL)packWithMessage:(GPBMessage *)message + typeURLPrefix:(NSString *)typeURLPrefix + error:(NSError **)errorPtr { + NSString *fullName = [message descriptor].fullName; + if (fullName.length == 0) { + if (errorPtr) { + *errorPtr = + [NSError errorWithDomain:GPBWellKnownTypesErrorDomain + code:GPBWellKnownTypesErrorCodeFailedToComputeTypeURL + userInfo:nil]; + } + return NO; + } + if (errorPtr) { + *errorPtr = nil; + } + self.typeURL = BuildTypeURL(typeURLPrefix, fullName); + self.value = message.data; + return YES; +} + +- (GPBMessage *)unpackMessageClass:(Class)messageClass + error:(NSError **)errorPtr { + NSString *fullName = [messageClass descriptor].fullName; + if (fullName.length == 0) { + if (errorPtr) { + *errorPtr = + [NSError errorWithDomain:GPBWellKnownTypesErrorDomain + code:GPBWellKnownTypesErrorCodeFailedToComputeTypeURL + userInfo:nil]; + } + return nil; + } + + NSString *expectedFullName = ParseTypeFromURL(self.typeURL); + if ((expectedFullName == nil) || ![expectedFullName isEqual:fullName]) { + if (errorPtr) { + *errorPtr = + [NSError errorWithDomain:GPBWellKnownTypesErrorDomain + code:GPBWellKnownTypesErrorCodeTypeURLMismatch + userInfo:nil]; + } + return nil; + } + + // Any is proto3, which means no extensions, so this assumes anything put + // within an any also won't need extensions. A second helper could be added + // if needed. + return [messageClass parseFromData:self.value + error:errorPtr]; +} + +@end |