Class: RuboCop::Cop::Layout::IndentationWidth

Inherits:
Cop
  • Object
show all
Includes:
Alignment, CheckAssignment, EndKeywordAlignment, IgnoredPattern, RangeHelp
Defined in:
lib/rubocop/cop/layout/indentation_width.rb

Overview

This cops checks for indentation that doesn’t use the specified number of spaces.

See also the IndentationConsistency cop which is the companion to this one.

Examples:

# bad
class A
 def test
  puts 'hello'
 end
end

# good
class A
  def test
    puts 'hello'
  end
end

IgnoredPatterns: [‘^s*module’]

# bad
module A
class B
  def test
  puts 'hello'
  end
end
end

# good
module A
class B
  def test
    puts 'hello'
  end
end
end

Constant Summary collapse

MSG = 
'Use %<configured_indentation_width>d (not %<indentation>d) ' \
'spaces for%<name>s indentation.'.freeze
SPECIAL_MODIFIERS = 
%w[private protected].freeze

Constants included from EndKeywordAlignment

EndKeywordAlignment::BYTE_ORDER_MARK

Constants included from Util

Util::ASGN_NODES, Util::CONDITIONAL_NODES, Util::EQUALS_ASGN_NODES, Util::LITERAL_REGEX, Util::LOGICAL_OPERATOR_NODES, Util::MODIFIER_NODES, Util::OPERATOR_METHODS, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods included from CheckAssignment

extract_rhs

Methods included from ConfigurableEnforcedStyle

#alternative_style, #alternative_styles, #ambiguous_style_detected, #correct_style_detected, #detected_style, #detected_style=, #no_acceptable_style!, #no_acceptable_style?, #opposite_style_detected, #style, #style_detected, #style_parameter_name, #supported_styles, #unexpected_style_detected

Methods inherited from Cop

#add_offense, all, autocorrect_incompatible_with, badge, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, #cop_name, cop_name, #correct, department, #duplicate_location?, #excluded_file?, #find_location, #highlights, inherited, #initialize, #join_force?, lint?, match?, #messages, non_rails, #parse, qualified_cop_name, #relevant_file?, #target_rails_version, #target_ruby_version

Methods included from AST::Sexp

#s

Methods included from NodePattern::Macros

#def_node_matcher, #def_node_search, #node_search, #node_search_all, #node_search_body, #node_search_first

Methods included from AutocorrectLogic

#autocorrect?, #autocorrect_enabled?, #autocorrect_requested?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

begins_its_line?, comment_line?, double_quotes_required?, escape_string, first_part_of_call_chain, interpret_string_escapes, line_range, needs_escaping?, on_node, operator?, parentheses?, same_line?, to_string_literal, to_supported_styles, tokens

Methods included from PathUtil

absolute?, match_path?, pwd, relative_path, reset_pwd, smart_path

Constructor Details

This class inherits a constructor from RuboCop::Cop::Cop

Instance Method Details

#autocorrect(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 149

def autocorrect(node)
  AlignmentCorrector.correct(processed_source, node, @column_delta)
end

#on_block(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 76

def on_block(node)
  end_loc = node.loc.end

  return unless begins_its_line?(end_loc)

  check_indentation(end_loc, node.body)

  return unless indentation_consistency_style == 'rails'

  check_members(end_loc, [node.body])
end

#on_case(case_node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 133

def on_case(case_node)
  case_node.each_when do |when_node|
    check_indentation(when_node.loc.keyword, when_node.body)
  end

  check_indentation(case_node.when_branches.last.loc.keyword,
                    case_node.else_branch)
end

#on_class(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 93

def on_class(node)
  _class_name, _base_class, *members = *node
  check_members(node.loc.keyword, members)
end

#on_def(node) ⇒ Object Also known as: on_defs 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 116

def on_def(node)
  return if ignored_node?(node)

  check_indentation(node.loc.keyword, node.body)
end

#on_ensure(node) ⇒ Object Also known as: on_resbody, on_for 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 62

def on_ensure(node)
  check_indentation(node.loc.keyword, node.body)
end

#on_if(node, base = node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 142

def on_if(node, base = node)
  return if ignored_node?(node) || !node.body
  return if node.ternary? || node.modifier_form?

  check_if(node, node.body, node.else_branch, base.loc)
end

#on_kwbegin(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 69

def on_kwbegin(node)
  # Check indentation against end keyword but only if it's first on its
  # line.
  return unless begins_its_line?(node.loc.end)
  check_indentation(node.loc.end, node.children.first)
end

#on_module(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 88

def on_module(node)
  _module_name, *members = *node
  check_members(node.loc.keyword, members)
end

#on_rescue(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 57

def on_rescue(node)
  _begin_node, *_rescue_nodes, else_node = *node
  check_indentation(node.loc.else, else_node)
end

#on_send(node) ⇒ Object 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 98

def on_send(node)
  super
  return unless node.adjacent_def_modifier?

  *_, body = *node.first_argument

  def_end_config = config.for_cop('Layout/DefEndAlignment')
  style = def_end_config['EnforcedStyleAlignWith'] || 'start_of_line'
  base = if style == 'def'
           node.first_argument
         else
           leftmost_modifier_of(node) || node
         end

  check_indentation(base.source_range, body)
  ignore_node(node.first_argument)
end

#on_while(node, base = node) ⇒ Object Also known as: on_until 



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# File 'lib/rubocop/cop/layout/indentation_width.rb', line 123

def on_while(node, base = node)
  return if ignored_node?(node)

  return unless node.single_line_condition?

  check_indentation(base.loc, node.body)
end