Class: Rubocop::Cop::Style::IndentationWidth

Inherits:
Cop
  • Object
show all
Includes:
AutocorrectAlignment, CheckAssignment, CheckMethods, IfNode
Defined in:
lib/rubocop/cop/style/indentation_width.rb

Overview

This cops checks for indentation that doesn't use two spaces.

class A def test puts 'hello' end end

Constant Summary collapse

CORRECT_INDENTATION = 
2

Constants included from CheckAssignment

CheckAssignment::TYPES

Constants included from Util

Util::ASGN_NODES, Util::EQUALS_ASGN_NODES, Util::OPERATOR_METHODS, Util::PROC_NEW_NODE, Util::SHORTHAND_ASGN_NODES

Instance Attribute Summary

Attributes inherited from Cop

#config, #corrections, #offenses, #processed_source

Instance Method Summary collapse

Methods included from IfNode

#elsif?, #if_else?, #modifier_if?, #ternary_op?

Methods included from CheckAssignment

#on_casgn, #on_op_asgn

Methods included from CheckMethods

#on_def, #on_defs

Methods included from AutocorrectAlignment

#autocorrect, #calculate_range, #check_alignment, #each_line, #remove, #start_of_line?

Methods inherited from Cop

#add_offense, all, #autocorrect?, #config_to_allow_offenses, #config_to_allow_offenses=, #cop_config, cop_name, #cop_name, cop_type, #debug?, #display_cop_names?, #exclude_file?, #include_file?, inherited, #initialize, lint?, #message, non_rails, rails?, #relevant_file?, #support_autocorrect?

Methods included from IgnoredNode

#ignore_node, #ignored_node?, #part_of_ignored_node?

Methods included from Util

block_length, command?, comment_line?, const_name, first_part_of_call_chain, lambda?, lambda_or_proc?, line_range, on_node, operator?, parentheses?, proc?, range_with_surrounding_space, source_range, strip_quotes

Methods included from PathUtil

match_path?, relative_path

Constructor Details

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

Instance Method Details

#check(node, _method_name, _args, body) ⇒ Object 



44
45
46
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 44

def check(node, _method_name, _args, body)
  check_indentation(node.loc.keyword, body)
end

#on_block(node) ⇒ Object 



27
28
29
30
31
32
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 27

def on_block(node)
  _method, _args, body = *node
  # Check body against end/} indentation. Checking against variable
  # assignments, etc, would be more difficult.
  check_indentation(node.loc.end, body)
end

#on_case(node) ⇒ Object 



62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 62

def on_case(node)
  _condition, *branches = *node
  latest_when = nil
  branches.compact.each do |b|
    if b.type == :when
      _condition, body = *b
      # Check "when" body against "when" keyword indentation.
      check_indentation(b.loc.keyword, body)
      latest_when = b
    else
      # Since it's not easy to get the position of the "else" keyword,
      # we check "else" body against latest "when" keyword indentation.
      check_indentation(latest_when.loc.keyword, b)
    end
  end
end

#on_class(node) ⇒ Object 



39
40
41
42
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 39

def on_class(node)
  _class_name, _base_class, *members = *node
  members.each { |m| check_indentation(node.loc.keyword, m) }
end

#on_for(node) ⇒ Object 



48
49
50
51
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 48

def on_for(node)
  _variable, _collection, body = *node
  check_indentation(node.loc.keyword, body)
end

#on_if(node, base = node) ⇒ Object 



79
80
81
82
83
84
85
86
87
88
89
90
91
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 79

def on_if(node, base = node)
  return if ignored_node?(node)
  return if ternary_op?(node)
  return if modifier_if?(node)

  case node.loc.keyword.source
  when 'if'     then _condition, body, else_clause = *node
  when 'unless' then _condition, else_clause, body = *node
  else               _condition, body = *node
  end

  check_if(node, body, else_clause, base.loc) if body
end

#on_kwbegin(node) ⇒ Object 



23
24
25
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 23

def on_kwbegin(node)
  check_indentation(node.loc.end, node.children.first)
end

#on_module(node) ⇒ Object 



34
35
36
37
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 34

def on_module(node)
  _module_name, *members = *node
  members.each { |m| check_indentation(node.loc.keyword, m) }
end

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



53
54
55
56
57
58
 
# File 'lib/rubocop/cop/style/indentation_width.rb', line 53

def on_while(node, base = node)
  _condition, body = *node
  if node.loc.keyword.begin_pos == node.loc.expression.begin_pos
    check_indentation(base.loc, body)
  end
end