forked from rubocop/rubocop
/
multiline_literal_brace_corrector.rb
94 lines (78 loc) · 2.73 KB
/
multiline_literal_brace_corrector.rb
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
# frozen_string_literal: true
module RuboCop
module Cop
# Autocorrection logic for the closing brace of a literal either
# on the same line as the last contained elements, or a new line.
class MultilineLiteralBraceCorrector
include MultilineLiteralBraceLayout
include RangeHelp
def initialize(node, processed_source)
@node = node
@processed_source = processed_source
end
def call(corrector)
if closing_brace_on_same_line?(node)
correct_same_line_brace(corrector)
else
# When a comment immediately before the closing brace gets in the
# way of an easy correction, the offense is reported but not auto-
# corrected. The user must handle the delicate decision of where to
# put the comment.
return if new_line_needed_before_closing_brace?(node)
correct_next_line_brace(corrector)
end
end
private
attr_reader :node, :processed_source
def correct_same_line_brace(corrector)
corrector.insert_before(node.loc.end, "\n")
end
def correct_next_line_brace(corrector)
corrector.remove(
range_with_surrounding_space(range: node.loc.end, side: :left)
)
corrector.insert_before(
last_element_range_with_trailing_comma(node).end,
content_if_comment_present(corrector, node)
)
end
def content_if_comment_present(corrector, node)
range = range_with_surrounding_space(
range: children(node).last.source_range,
side: :right
).end.resize(1)
if range.source == '#'
select_content_to_be_inserted_after_last_element(corrector, node)
else
node.loc.end.source
end
end
def select_content_to_be_inserted_after_last_element(corrector, node)
range = range_between(
node.loc.end.begin_pos,
range_by_whole_lines(node.loc.expression).end.end_pos
)
remove_trailing_content_of_comment(corrector, range)
range.source
end
def remove_trailing_content_of_comment(corrector, range)
corrector.remove(range)
end
def last_element_range_with_trailing_comma(node)
trailing_comma_range = last_element_trailing_comma_range(node)
if trailing_comma_range
children(node).last.source_range.join(trailing_comma_range)
else
children(node).last.source_range
end
end
def last_element_trailing_comma_range(node)
range = range_with_surrounding_space(
range: children(node).last.source_range,
side: :right
).end.resize(1)
range.source == ',' ? range : nil
end
end
end
end