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Versions: 11
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Contents
# frozen_string_literal: true
module RuboCop
module Cop
# Common functionality for handling Regexp literals.
module RegexpLiteralHelp
private
def freespace_mode_regexp?(node)
regopt = node.children.find(&:regopt_type?)
regopt.children.include?(:x)
end
def pattern_source(node)
freespace_mode = freespace_mode_regexp?(node)
node.children.reject(&:regopt_type?).map do |child|
source_with_comments_and_interpolations_blanked(child, freespace_mode)
end.join
end
def source_with_comments_and_interpolations_blanked(child, freespace_mode)
source = child.source
# We don't want to consider the contents of interpolations or free-space mode comments as
# part of the pattern source, but need to preserve their width, to allow offsets to
# correctly line up with the original source: spaces have no effect, and preserve width.
if child.begin_type?
replace_match_with_spaces(source, /.*/m) # replace all content
elsif freespace_mode
replace_match_with_spaces(source, /(?<!\\)#.*/) # replace any comments
else
source
end
end
def replace_match_with_spaces(source, pattern)
source.sub(pattern) { ' ' * Regexp.last_match[0].length }
end
end
end
end
Version data entries
11 entries across 11 versions & 3 rubygems