class RuboCop::Cop::Style::BarePercentLiterals


%q/She said: ‘Hi’/
%Q|He said: “#{greeting}”|
# good
%/She said: ‘Hi’/
%|He said: “#{greeting}”|
# bad
@example EnforcedStyle: percent_q
%{She said: ‘Hi’}
%(He said: “#{greeting}”)
# good
%q{She said: ‘Hi’}
%Q(He said: “#{greeting}”)
# bad
@example EnforcedStyle: bare_percent (default)
This cop checks if usage of %() or %Q() matches configuration.

def add_offense_for_wrong_style(node, good, bad)

def add_offense_for_wrong_style(node, good, bad)
  add_offense(node, location: :begin, message: format(MSG,
                                                      good: good,
                                                      bad: bad))
end

def autocorrect(node)

def autocorrect(node)
  src = node.loc.begin.source
  replacement = src.start_with?('%Q') ? '%' : '%Q'
  lambda do |corrector|
    corrector.replace(node.loc.begin, src.sub(/%Q?/, replacement))
  end
end

def check(node)

def check(node)
  return if node.loc.respond_to?(:heredoc_body)
  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 on_dstr(node)

def on_dstr(node)
  check(node)
end

def on_str(node)

def on_str(node)
  check(node)
end

def requires_bare_percent?(source)

def requires_bare_percent?(source)
  style == :bare_percent && source =~ /^%Q/
end

def requires_percent_q?(source)

def requires_percent_q?(source)
  style == :percent_q && source =~ /^%[^\w]/
end