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      1 // Protocol Buffers - Google's data interchange format
      2 // Copyright 2015 Google Inc.  All rights reserved.
      3 // https://developers.google.com/protocol-buffers/
      4 //
      5 // Redistribution and use in source and binary forms, with or without
      6 // modification, are permitted provided that the following conditions are
      7 // met:
      8 //
      9 //     * Redistributions of source code must retain the above copyright
     10 // notice, this list of conditions and the following disclaimer.
     11 //     * Redistributions in binary form must reproduce the above
     12 // copyright notice, this list of conditions and the following disclaimer
     13 // in the documentation and/or other materials provided with the
     14 // distribution.
     15 //     * Neither the name of Google Inc. nor the names of its
     16 // contributors may be used to endorse or promote products derived from
     17 // this software without specific prior written permission.
     18 //
     19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
     20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
     21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
     22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
     23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
     25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
     29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     30 
     31 // Importing sources here to force the linker to include our category methods in
     32 // the static library. If these were compiled separately, the category methods
     33 // below would be stripped by the linker.
     34 
     35 #import "google/protobuf/Timestamp.pbobjc.m"
     36 #import "google/protobuf/Duration.pbobjc.m"
     37 #import "GPBWellKnownTypes.h"
     38 
     39 static NSTimeInterval TimeIntervalSince1970FromSecondsAndNanos(int64_t seconds,
     40                                                                int32_t nanos) {
     41   return seconds + (NSTimeInterval)nanos / 1e9;
     42 }
     43 
     44 static int32_t SecondsAndNanosFromTimeIntervalSince1970(NSTimeInterval time,
     45                                                         int64_t *outSeconds) {
     46   NSTimeInterval seconds;
     47   NSTimeInterval nanos = modf(time, &seconds);
     48   nanos *= 1e9;
     49   *outSeconds = (int64_t)seconds;
     50   return (int32_t)nanos;
     51 }
     52 
     53 @implementation GPBTimestamp (GBPWellKnownTypes)
     54 
     55 - (instancetype)initWithDate:(NSDate *)date {
     56   return [self initWithTimeIntervalSince1970:date.timeIntervalSince1970];
     57 }
     58 
     59 - (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
     60   if ((self = [super init])) {
     61     int64_t seconds;
     62     int32_t nanos = SecondsAndNanosFromTimeIntervalSince1970(
     63         timeIntervalSince1970, &seconds);
     64     self.seconds = seconds;
     65     self.nanos = nanos;
     66   }
     67   return self;
     68 }
     69 
     70 - (NSDate *)date {
     71   return [NSDate dateWithTimeIntervalSince1970:self.timeIntervalSince1970];
     72 }
     73 
     74 - (void)setDate:(NSDate *)date {
     75   self.timeIntervalSince1970 = date.timeIntervalSince1970;
     76 }
     77 
     78 - (NSTimeInterval)timeIntervalSince1970 {
     79   return TimeIntervalSince1970FromSecondsAndNanos(self.seconds, self.nanos);
     80 }
     81 
     82 - (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
     83   int64_t seconds;
     84   int32_t nanos =
     85       SecondsAndNanosFromTimeIntervalSince1970(timeIntervalSince1970, &seconds);
     86   self.seconds = seconds;
     87   self.nanos = nanos;
     88 }
     89 
     90 @end
     91 
     92 @implementation GPBDuration (GBPWellKnownTypes)
     93 
     94 - (instancetype)initWithTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
     95   if ((self = [super init])) {
     96     int64_t seconds;
     97     int32_t nanos = SecondsAndNanosFromTimeIntervalSince1970(
     98         timeIntervalSince1970, &seconds);
     99     self.seconds = seconds;
    100     self.nanos = nanos;
    101   }
    102   return self;
    103 }
    104 
    105 - (NSTimeInterval)timeIntervalSince1970 {
    106   return TimeIntervalSince1970FromSecondsAndNanos(self.seconds, self.nanos);
    107 }
    108 
    109 - (void)setTimeIntervalSince1970:(NSTimeInterval)timeIntervalSince1970 {
    110   int64_t seconds;
    111   int32_t nanos =
    112       SecondsAndNanosFromTimeIntervalSince1970(timeIntervalSince1970, &seconds);
    113   self.seconds = seconds;
    114   self.nanos = nanos;
    115 }
    116 
    117 @end
    118