/usr/lib/ruby/vendor_ruby/tzinfo/timezone_offset.rb is in ruby-tzinfo 1.1.0-1.
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 | #--
# Copyright (c) 2006-2013 Philip Ross
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
# THE SOFTWARE.
#++
module TZInfo
# Represents an offset defined in a Timezone data file.
class TimezoneOffset
# The base offset of the timezone from UTC in seconds.
attr_reader :utc_offset
# The offset from standard time for the zone in seconds (i.e. non-zero if
# daylight savings is being observed).
attr_reader :std_offset
# The total offset of this observance from UTC in seconds
# (utc_offset + std_offset).
attr_reader :utc_total_offset
# The abbreviation that identifies this observance, e.g. "GMT"
# (Greenwich Mean Time) or "BST" (British Summer Time) for "Europe/London". The returned identifier is a
# symbol.
attr_reader :abbreviation
# Constructs a new TimezoneOffset. utc_offset and std_offset are specified
# in seconds.
def initialize(utc_offset, std_offset, abbreviation)
@utc_offset = utc_offset
@std_offset = std_offset
@abbreviation = abbreviation
@utc_total_offset = @utc_offset + @std_offset
end
# True if std_offset is non-zero.
def dst?
@std_offset != 0
end
# Converts a UTC Time, DateTime or integer timestamp to local time, based on
# the offset of this period.
def to_local(utc)
TimeOrDateTime.wrap(utc) {|wrapped|
wrapped + @utc_total_offset
}
end
# Converts a local Time, DateTime or integer timestamp to UTC, based on the
# offset of this period.
def to_utc(local)
TimeOrDateTime.wrap(local) {|wrapped|
wrapped - @utc_total_offset
}
end
# Returns true if and only if toi has the same utc_offset, std_offset
# and abbreviation as this TimezoneOffset.
def ==(toi)
toi.kind_of?(TimezoneOffset) &&
utc_offset == toi.utc_offset && std_offset == toi.std_offset && abbreviation == toi.abbreviation
end
# Returns true if and only if toi has the same utc_offset, std_offset
# and abbreviation as this TimezoneOffset.
def eql?(toi)
self == toi
end
# Returns a hash of this TimezoneOffset.
def hash
utc_offset.hash ^ std_offset.hash ^ abbreviation.hash
end
# Returns internal object state as a programmer-readable string.
def inspect
"#<#{self.class}: #@utc_offset,#@std_offset,#@abbreviation>"
end
end
end
|