class RuboCop::Cop::Layout::SpaceInsidePercentLiteralDelimiters

Checks for unnecessary additional spaces inside the delimiters of %i/%w/%x literals.

@example

# bad
%i( foo bar baz )

# good
%i(foo bar baz)

# bad
%w( foo bar baz )

# good
%w(foo bar baz)

# bad
%x(  ls -l )

# good
%x(ls -l)

# bad
%w( )
%w(
)

# good
%w()

Constants

BEGIN_REGEX
END_REGEX
MSG

Public Instance Methods

on_array(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 45
def on_array(node)
  process(node, '%i', '%I', '%w', '%W')
end
on_percent_literal(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 53
def on_percent_literal(node)
  add_offenses_for_blank_spaces(node)
  add_offenses_for_unnecessary_spaces(node)
end
on_xstr(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 49
def on_xstr(node)
  process(node, '%x')
end

Private Instance Methods

add_offenses_for_blank_spaces(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 60
def add_offenses_for_blank_spaces(node)
  range = body_range(node)
  return if range.source.empty? || !range.source.strip.empty?

  add_offense(range) do |corrector|
    corrector.remove(range)
  end
end
add_offenses_for_unnecessary_spaces(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 69
def add_offenses_for_unnecessary_spaces(node)
  return unless node.single_line?

  regex_matches(node) do |match_range|
    add_offense(match_range) do |corrector|
      corrector.remove(match_range)
    end
  end
end
body_range(node) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 85
def body_range(node)
  node.source_range.with(
    begin_pos: node.location.begin.end_pos,
    end_pos: node.location.end.begin_pos
  )
end
regex_matches(node, &blk) click to toggle source
# File lib/rubocop/cop/layout/space_inside_percent_literal_delimiters.rb, line 79
def regex_matches(node, &blk)
  [BEGIN_REGEX, END_REGEX].each do |regex|
    each_match_range(contents_range(node), regex, &blk)
  end
end