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Contents
# encoding: utf-8
module Rubocop
module Cop
class StringLiterals < Cop
ERROR_MESSAGE = "Prefer single-quoted strings when you don't need " +
'string interpolation or special symbols.'
def inspect(file, source, tokens, sexp)
state = :outside
tokens.each do |t|
state = case [state, t.type]
when [:outside, :on_tstring_beg]
:double_quote if t.text == '"'
when [:double_quote, :on_tstring_content]
:valid_double_quote if t.text =~ /'|\\[ntrx]/
when [:double_quote, :on_embexpr_beg]
:embedded_expression
when [:double_quote, :on_tstring_end]
add_offence(:convention, t.pos.lineno, ERROR_MESSAGE)
:outside
when [:embedded_expression, :on_rbrace]
:valid_double_quote
when [:valid_double_quote, :on_tstring_end]
:outside
end || state
end
end
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems