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Contents
# frozen_string_literal: true
module RuboCop
module Cop
module Style
# This cop checks for non-ascii characters in identifier names.
class AsciiIdentifiers < Cop
MSG = 'Use only ascii symbols in identifiers.'.freeze
def investigate(processed_source)
processed_source.tokens.each do |token|
next unless token.type == :tIDENTIFIER && !token.text.ascii_only?
add_offense(token, first_offense_range(token))
end
end
private
def first_offense_range(identifier)
expression = identifier.pos
first_offense = first_non_ascii_chars(identifier.text)
start_position = expression.begin_pos +
identifier.text.index(first_offense)
end_position = start_position + first_offense.length
range_between(start_position, end_position)
end
def first_non_ascii_chars(string)
string.match(/[^[:ascii:]]+/).to_s
end
end
end
end
end
Version data entries
17 entries across 17 versions & 2 rubygems