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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks if usage of %() or %Q() matches configuration.
#
# @example EnforcedStyle: bare_percent (default)
# # bad
# %Q(He said: "#{greeting}")
# %q{She said: 'Hi'}
#
# # good
# %(He said: "#{greeting}")
# %{She said: 'Hi'}
#
# @example EnforcedStyle: percent_q
# # bad
# %|He said: "#{greeting}"|
# %/She said: 'Hi'/
#
# # good
# %Q|He said: "#{greeting}"|
# %q/She said: 'Hi'/
#
class BarePercentLiterals < Base
include ConfigurableEnforcedStyle
extend AutoCorrector
MSG = 'Use `%%%<good>s` instead of `%%%<bad>s`.'
def on_dstr(node)
check(node)
end
def on_str(node)
check(node)
end
private
def check(node)
return if node.heredoc?
return unless node.loc.respond_to?(:begin)
return unless node.loc.begin
source = node.loc.begin.source
if requires_percent_q?(source)
add_offense_for_wrong_style(node, 'Q', '')
elsif requires_bare_percent?(source)
add_offense_for_wrong_style(node, '', 'Q')
end
end
def requires_percent_q?(source)
style == :percent_q && /^%[^\w]/.match?(source)
end
def requires_bare_percent?(source)
style == :bare_percent && source.start_with?('%Q')
end
def add_offense_for_wrong_style(node, good, bad)
location = node.loc.begin
add_offense(location, message: format(MSG, good: good, bad: bad)) do |corrector|
source = location.source
replacement = source.start_with?('%Q') ? '%' : '%Q'
corrector.replace(location, source.sub(/%Q?/, replacement))
end
end
end
end
end
end
Version data entries
74 entries across 74 versions & 8 rubygems