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Contents
# frozen_string_literal: true
module RuboCop
module Cop
# Severity class is simple value object about severity
class Severity
include Comparable
# @api private
NAMES = %i[refactor convention warning error fatal].freeze
# @api private
CODE_TABLE = { R: :refactor, C: :convention,
W: :warning, E: :error, F: :fatal }.freeze
# @api public
#
# @!attribute [r] name
#
# @return [Symbol]
# severity.
# any of `:refactor`, `:convention`, `:warning`, `:error` or `:fatal`.
attr_reader :name
# @api private
def self.name_from_code(code)
name = code.to_sym
CODE_TABLE[name] || name
end
# @api private
def initialize(name_or_code)
name = Severity.name_from_code(name_or_code)
unless NAMES.include?(name)
raise ArgumentError, "Unknown severity: #{name}"
end
@name = name.freeze
freeze
end
# @api private
def to_s
@name.to_s
end
# @api private
def code
@name.to_s[0].upcase
end
# @api private
def level
NAMES.index(name) + 1
end
# @api private
def ==(other)
@name == if other.is_a?(Symbol)
other
else
other.name
end
end
# @api private
def hash
@name.hash
end
# @api private
def <=>(other)
level <=> other.level
end
end
end
end
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