/usr/lib/ruby/2.5.0/rss/maker.rb is in libruby2.5 2.5.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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require "rss/rss"
module RSS
##
#
# Provides a set of builders for various RSS objects
#
# * Feeds
# * RSS 0.91
# * RSS 1.0
# * RSS 2.0
# * Atom 1.0
#
# * Elements
# * Atom::Entry
module Maker
# Collection of supported makers
MAKERS = {}
class << self
# Builder for an RSS object
# Creates an object of the type passed in +args+
#
# Executes the +block+ to populate elements of the created RSS object
def make(version, &block)
self[version].make(&block)
end
# Returns the maker for the +version+
def [](version)
maker_info = maker(version)
raise UnsupportedMakerVersionError.new(version) if maker_info.nil?
maker_info[:maker]
end
# Adds a maker to the set of supported makers
def add_maker(version, normalized_version, maker)
MAKERS[version] = {:maker => maker, :version => normalized_version}
end
# Returns collection of supported maker versions
def versions
MAKERS.keys.uniq.sort
end
# Returns collection of supported makers
def makers
MAKERS.values.collect { |info| info[:maker] }.uniq
end
# Returns true if the version is supported
def supported?(version)
versions.include?(version)
end
private
# Can I remove this method?
def maker(version)
MAKERS[version]
end
end
end
end
require "rss/maker/1.0"
require "rss/maker/2.0"
require "rss/maker/feed"
require "rss/maker/entry"
require "rss/maker/content"
require "rss/maker/dublincore"
require "rss/maker/slash"
require "rss/maker/syndication"
require "rss/maker/taxonomy"
require "rss/maker/trackback"
require "rss/maker/image"
require "rss/maker/itunes"
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