timestamp_gogo.go

Documentation: github.com/gogo/protobuf/types

     1  // Protocol Buffers for Go with Gadgets
     2  //
     3  // Copyright (c) 2016, The GoGo Authors. All rights reserved.
     4  // http://github.com/gogo/protobuf
     5  //
     6  // Redistribution and use in source and binary forms, with or without
     7  // modification, are permitted provided that the following conditions are
     8  // met:
     9  //
    10  //     * Redistributions of source code must retain the above copyright
    11  // notice, this list of conditions and the following disclaimer.
    12  //     * Redistributions in binary form must reproduce the above
    13  // copyright notice, this list of conditions and the following disclaimer
    14  // in the documentation and/or other materials provided with the
    15  // distribution.
    16  //
    17  // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    18  // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    19  // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    20  // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    21  // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    22  // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    23  // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    24  // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    25  // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    26  // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    27  // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    28  
    29  package types
    30  
    31  import (
    32  	"time"
    33  )
    34  
    35  func NewPopulatedTimestamp(r interface {
    36  	Int63() int64
    37  }, easy bool) *Timestamp {
    38  	this := &Timestamp{}
    39  	ns := int64(r.Int63())
    40  	this.Seconds = ns / 1e9
    41  	this.Nanos = int32(ns % 1e9)
    42  	return this
    43  }
    44  
    45  func (ts *Timestamp) String() string {
    46  	return TimestampString(ts)
    47  }
    48  
    49  func NewPopulatedStdTime(r interface {
    50  	Int63() int64
    51  }, easy bool) *time.Time {
    52  	timestamp := NewPopulatedTimestamp(r, easy)
    53  	t, err := TimestampFromProto(timestamp)
    54  	if err != nil {
    55  		return nil
    56  	}
    57  	return &t
    58  }
    59  
    60  func SizeOfStdTime(t time.Time) int {
    61  	ts, err := TimestampProto(t)
    62  	if err != nil {
    63  		return 0
    64  	}
    65  	return ts.Size()
    66  }
    67  
    68  func StdTimeMarshal(t time.Time) ([]byte, error) {
    69  	size := SizeOfStdTime(t)
    70  	buf := make([]byte, size)
    71  	_, err := StdTimeMarshalTo(t, buf)
    72  	return buf, err
    73  }
    74  
    75  func StdTimeMarshalTo(t time.Time, data []byte) (int, error) {
    76  	ts, err := TimestampProto(t)
    77  	if err != nil {
    78  		return 0, err
    79  	}
    80  	return ts.MarshalTo(data)
    81  }
    82  
    83  func StdTimeUnmarshal(t *time.Time, data []byte) error {
    84  	ts := &Timestamp{}
    85  	if err := ts.Unmarshal(data); err != nil {
    86  		return err
    87  	}
    88  	tt, err := TimestampFromProto(ts)
    89  	if err != nil {
    90  		return err
    91  	}
    92  	*t = tt
    93  	return nil
    94  }
    95
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