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# frozen_string_literal: true
module ActiveSupport
class Deprecation
# A managed collection of deprecators. Configuration methods, such as
# #behavior=, affect all deprecators in the collection. Additionally, the
# #silence method silences all deprecators in the collection for the
# duration of a given block.
class Deprecators
def initialize
@options = {}
@deprecators = {}
end
# Returns a deprecator added to this collection via #[]=.
def [](name)
@deprecators[name]
end
# Adds a given +deprecator+ to this collection. The deprecator will be
# immediately configured with any options previously set on this
# collection.
#
# deprecators = ActiveSupport::Deprecation::Deprecators.new
# deprecators.debug = true
#
# foo_deprecator = ActiveSupport::Deprecation.new("2.0", "Foo")
# foo_deprecator.debug # => false
#
# deprecators[:foo] = foo_deprecator
# deprecators[:foo].debug # => true
# foo_deprecator.debug # => true
#
def []=(name, deprecator)
apply_options(deprecator)
@deprecators[name] = deprecator
end
# Iterates over all deprecators in this collection. If no block is given,
# returns an +Enumerator+.
def each(&block)
return to_enum(__method__) unless block
@deprecators.each_value(&block)
end
# Sets the silenced flag for all deprecators in this collection.
def silenced=(silenced)
set_option(:silenced, silenced)
end
# Sets the debug flag for all deprecators in this collection.
def debug=(debug)
set_option(:debug, debug)
end
# Sets the deprecation warning behavior for all deprecators in this
# collection.
#
# See ActiveSupport::Deprecation#behavior=.
def behavior=(behavior)
set_option(:behavior, behavior)
end
# Sets the disallowed deprecation warning behavior for all deprecators in
# this collection.
#
# See ActiveSupport::Deprecation#disallowed_behavior=.
def disallowed_behavior=(disallowed_behavior)
set_option(:disallowed_behavior, disallowed_behavior)
end
# Sets the disallowed deprecation warnings for all deprecators in this
# collection.
#
# See ActiveSupport::Deprecation#disallowed_warnings=.
def disallowed_warnings=(disallowed_warnings)
set_option(:disallowed_warnings, disallowed_warnings)
end
# Silences all deprecators in this collection for the duration of the
# given block.
#
# See ActiveSupport::Deprecation#silence.
def silence(&block)
each { |deprecator| deprecator.begin_silence }
block.call
ensure
each { |deprecator| deprecator.end_silence }
end
private
def set_option(name, value)
@options[name] = value
each { |deprecator| deprecator.public_send("#{name}=", value) }
end
def apply_options(deprecator)
@options.each do |name, value|
deprecator.public_send("#{name}=", value)
end
end
end
end
end
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