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
|
# frozen_string_literal: true
module RuboCop
module AST
# A node extension for `str`, `dstr`, and `xstr` nodes. This will be used
# in place of a plain node when the builder constructs the AST, making
# its methods available to all `str` nodes within RuboCop.
class StrNode < Node
include BasicLiteralNode
PERCENT_LITERAL_TYPES = {
:% => /\A%(?=[^a-zA-Z])/,
:q => /\A%q/,
:Q => /\A%Q/
}.freeze
private_constant :PERCENT_LITERAL_TYPES
def single_quoted?
loc_is?(:begin, "'")
end
def double_quoted?
loc_is?(:begin, '"')
end
def character_literal?
loc_is?(:begin, '?')
end
def heredoc?
loc.is_a?(Parser::Source::Map::Heredoc)
end
# Checks whether the string literal is delimited by percent brackets.
#
# @overload percent_literal?
# Check for any string percent literal.
#
# @overload percent_literal?(type)
# Check for a string percent literal of type `type`.
#
# @param type [Symbol] an optional percent literal type
#
# @return [Boolean] whether the string is enclosed in percent brackets
def percent_literal?(type = nil)
return false unless loc?(:begin)
if type
loc.begin.source.match?(PERCENT_LITERAL_TYPES.fetch(type))
else
loc.begin.source.start_with?('%')
end
end
end
end
end
|
