/usr/lib/ruby/vendor_ruby/active_support/duration.rb is in ruby-activesupport 2:4.2.6-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 | require 'active_support/core_ext/array/conversions'
require 'active_support/core_ext/object/acts_like'
module ActiveSupport
# Provides accurate date and time measurements using Date#advance and
# Time#advance, respectively. It mainly supports the methods on Numeric.
#
# 1.month.ago # equivalent to Time.now.advance(months: -1)
class Duration
attr_accessor :value, :parts
def initialize(value, parts) #:nodoc:
@value, @parts = value, parts
end
# Adds another Duration or a Numeric to this Duration. Numeric values
# are treated as seconds.
def +(other)
if Duration === other
Duration.new(value + other.value, @parts + other.parts)
else
Duration.new(value + other, @parts + [[:seconds, other]])
end
end
# Subtracts another Duration or a Numeric from this Duration. Numeric
# values are treated as seconds.
def -(other)
self + (-other)
end
def -@ #:nodoc:
Duration.new(-value, parts.map { |type,number| [type, -number] })
end
def is_a?(klass) #:nodoc:
Duration == klass || value.is_a?(klass)
end
alias :kind_of? :is_a?
def instance_of?(klass) # :nodoc:
Duration == klass || value.instance_of?(klass)
end
# Returns +true+ if +other+ is also a Duration instance with the
# same +value+, or if <tt>other == value</tt>.
def ==(other)
if Duration === other
other.value == value
else
other == value
end
end
def to_s
@value.to_s
end
# Returns the number of seconds that this Duration represents.
#
# 1.minute.to_i # => 60
# 1.hour.to_i # => 3600
# 1.day.to_i # => 86400
#
# Note that this conversion makes some assumptions about the
# duration of some periods, e.g. months are always 30 days
# and years are 365.25 days:
#
# # equivalent to 30.days.to_i
# 1.month.to_i # => 2592000
#
# # equivalent to 365.25.days.to_i
# 1.year.to_i # => 31557600
#
# In such cases, Ruby's core
# Date[http://ruby-doc.org/stdlib/libdoc/date/rdoc/Date.html] and
# Time[http://ruby-doc.org/stdlib/libdoc/time/rdoc/Time.html] should be used for precision
# date and time arithmetic.
def to_i
@value.to_i
end
# Returns +true+ if +other+ is also a Duration instance, which has the
# same parts as this one.
def eql?(other)
Duration === other && other.value.eql?(value)
end
def hash
@value.hash
end
def self.===(other) #:nodoc:
other.is_a?(Duration)
rescue ::NoMethodError
false
end
# Calculates a new Time or Date that is as far in the future
# as this Duration represents.
def since(time = ::Time.current)
sum(1, time)
end
alias :from_now :since
# Calculates a new Time or Date that is as far in the past
# as this Duration represents.
def ago(time = ::Time.current)
sum(-1, time)
end
alias :until :ago
def inspect #:nodoc:
parts.
reduce(::Hash.new(0)) { |h,(l,r)| h[l] += r; h }.
sort_by {|unit, _ | [:years, :months, :days, :minutes, :seconds].index(unit)}.
map {|unit, val| "#{val} #{val == 1 ? unit.to_s.chop : unit.to_s}"}.
to_sentence(locale: ::I18n.default_locale)
end
def as_json(options = nil) #:nodoc:
to_i
end
def respond_to_missing?(method, include_private=false) #:nodoc
@value.respond_to?(method, include_private)
end
delegate :<=>, to: :value
protected
def sum(sign, time = ::Time.current) #:nodoc:
parts.inject(time) do |t,(type,number)|
if t.acts_like?(:time) || t.acts_like?(:date)
if type == :seconds
t.since(sign * number)
else
t.advance(type => sign * number)
end
else
raise ::ArgumentError, "expected a time or date, got #{time.inspect}"
end
end
end
private
# We define it as a workaround to Ruby 2.0.0-p353 bug.
# For more information, check rails/rails#13055.
# Remove it when we drop support for 2.0.0-p353.
def ===(other) #:nodoc:
value === other
end
def method_missing(method, *args, &block) #:nodoc:
value.send(method, *args, &block)
end
end
end
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