class RuboCop::Cop::Style::RedundantPercentQ


question = ‘“What did you say?”’
time = “8 o’clock”
name = ‘Bruce Wayne’
# good
question = %q(“What did you say?”)
time = %q(8 o’clock)
name = %q(Bruce Wayne)
# bad
@example
Checks for usage of the %q/%Q syntax when ” or “” would do.

def acceptable_capital_q?(node) 

def acceptable_capital_q?(node)
  src = node.source
  src.include?(QUOTE) &&
    (STRING_INTERPOLATION_REGEXP.match?(src) ||
    (node.str_type? && double_quotes_required?(src)))
end

def acceptable_q?(node) 

def acceptable_q?(node)
  src = node.source
  return true if STRING_INTERPOLATION_REGEXP.match?(src)
  src.scan(/\\./).any?(ESCAPED_NON_BACKSLASH)
end

def allowed_percent_q?(node) 

def allowed_percent_q?(node)
  (node.source.start_with?(PERCENT_Q) && acceptable_q?(node)) ||
    (node.source.start_with?(PERCENT_CAPITAL_Q) && acceptable_capital_q?(node))
end

def check(node) 

def check(node)
  return unless start_with_percent_q_variant?(node)
  return if interpolated_quotes?(node) || allowed_percent_q?(node)
  add_offense(node) do |corrector|
    delimiter = /\A%Q[^"]+\z|'/.match?(node.source) ? QUOTE : SINGLE_QUOTE
    corrector.replace(node.loc.begin, delimiter)
    corrector.replace(node.loc.end, delimiter)
  end
end

def interpolated_quotes?(node) 

def interpolated_quotes?(node)
  node.source.include?(SINGLE_QUOTE) && node.source.include?(QUOTE)
end

def message(node) 

def message(node)
  src = node.source
  extra = if src.start_with?(PERCENT_CAPITAL_Q)
            DYNAMIC_MSG
          else
            EMPTY
          end
  format(MSG, q_type: src[0, 2], extra: extra)
end

def on_dstr(node) 

def on_dstr(node)
  return unless string_literal?(node)
  check(node)
end

def on_str(node) 

def on_str(node)
  # Interpolated strings that contain more than just interpolation
  # will call `on_dstr` for the entire string and `on_str` for the
  # non interpolated portion of the string
  return unless string_literal?(node)
  check(node)
end

def start_with_percent_q_variant?(string) 

def start_with_percent_q_variant?(string)
  string.source.start_with?(PERCENT_Q, PERCENT_CAPITAL_Q)
end

def string_literal?(node) 

def string_literal?(node)
  node.loc.respond_to?(:begin) && node.loc.respond_to?(:end) &&
    node.loc.begin && node.loc.end
end