Pull new version of protobuf sources.

third_party/protobuf/objectivec/GPBWellKnownTypes.m

Index: third_party/protobuf/objectivec/GPBWellKnownTypes.m
diff --git a/third_party/protobuf/objectivec/GPBWellKnownTypes.m b/third_party/protobuf/objectivec/GPBWellKnownTypes.m
new file mode 100644
index 0000000000000000000000000000000000000000..b48f8a53bdb051ef91efcc00ccf382936dd09467
--- /dev/null
+++ b/third_party/protobuf/objectivec/GPBWellKnownTypes.m
@@ -0,0 +1,166 @@
+// 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 "google/protobuf/Timestamp.pbobjc.m"
+#import "google/protobuf/Duration.pbobjc.m"
+#import "GPBWellKnownTypes.h"
+
+static NSTimeInterval TimeIntervalSince1970FromSecondsAndNanos(int64_t seconds,
+                                                               int32_t nanos) {
+  return seconds + (NSTimeInterval)nanos / 1e9;
+}
+
+static int32_t SecondsAndNanosFromTimeIntervalSince1970(NSTimeInterval time,
+                                                        int64_t *outSeconds) {
+  NSTimeInterval seconds;
+  NSTimeInterval nanos = modf(time, &seconds);
+  nanos *= 1e9;
+  *outSeconds = (int64_t)seconds;
+  return (int32_t)nanos;
+}
+
+@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 = SecondsAndNanosFromTimeIntervalSince1970(
+        timeIntervalSince1970, &seconds);
+    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 TimeIntervalSince1970FromSecondsAndNanos(self.seconds, self.nanos);
+}
+
+- (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
+  int64_t seconds;
+  int32_t nanos =
+      SecondsAndNanosFromTimeIntervalSince1970(timeIntervalSince1970, &seconds);
+  self.seconds = seconds;
+  self.nanos = nanos;
+}
+
+@end
+
+@implementation GPBDuration (GBPWellKnownTypes)
+
+- (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
+  if ((self = [super init])) {
+    int64_t seconds;
+    int32_t nanos = SecondsAndNanosFromTimeIntervalSince1970(
+        timeIntervalSince1970, &seconds);
+    self.seconds = seconds;
+    self.nanos = nanos;
+  }
+  return self;
+}
+
+- (NSTimeInterval)timeIntervalSince1970 {
+  return TimeIntervalSince1970FromSecondsAndNanos(self.seconds, self.nanos);
+}
+
+- (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
+  int64_t seconds;
+  int32_t nanos =
+      SecondsAndNanosFromTimeIntervalSince1970(timeIntervalSince1970, &seconds);
+  self.seconds = seconds;
+  self.nanos = nanos;
+}
+
+@end
+
+NSString *const GPBTypeGoogleApisComPrefix = @"type.googleapis.com/";
+
+@implementation GPBAny (GBPWellKnownTypes)
+
+- (instancetype)initWithMessage:(GPBMessage*)message {
+  self = [super init];
+  if (self) {
+    [self setMessage:message];
+  }
+  return self;
+}
+
+- (NSString*)typeName {
+  NSAssert([self.typeURL hasPrefix:GPBTypeGoogleApisComPrefix],
+           @"Invalid any type url (%@).", self.typeURL);
+  if (![self.typeURL hasPrefix:GPBTypeGoogleApisComPrefix]) {
+    return nil;
+  }
+  return [self.typeURL substringFromIndex:[GPBTypeGoogleApisComPrefix length]];
+}
+
+- (void)setMessage:(GPBMessage*)message {
+  self.typeURL = [GPBTypeGoogleApisComPrefix stringByAppendingString:message.descriptor.name];
+  self.value = message.data;
+}
+
+- (GPBMessage*)messageOfClass:(Class)messageClass {
+  if ([self wrapsMessageOfClass:messageClass]) {
+    GPBMessage* message = [messageClass message];
+    [message mergeFromData:self.value extensionRegistry:nil];
+    return message;
+  } else {
+    return nil;
+  }
+}
+
+- (BOOL)wrapsMessageOfClass:(Class)messageClass {
+  NSAssert([messageClass isSubclassofClass:[GPBMessage class]],
+           @"Given class (%@) is not a subclass of GPBMessage",
+           [messageClass name]);
+  if (![messageClass isSubclassOfClass:[GPBMessage class]]) {
+    return NO;
+  }
+  return [[self typeName] isEqualToString:messageClass.descriptor.name];
+}
+
+@end
+