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)
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)
  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

def check(node) 

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 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.start_with?('%Q')
end

def requires_percent_q?(source) 

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