class Tailor::Rulers::AllowUnnecessaryDoubleQuotesRuler
Public Class Methods
new(config, options)
click to toggle source
Calls superclass method
Tailor::Ruler::new
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 6 def initialize(config, options) super(config, options) add_lexer_observers :nl end
Public Instance Methods
measure(lineno, column)
click to toggle source
Checks to see if the double_quotes are unnecessary.
@param [Fixnum] lineno Line the problem was found on. @param [Fixnum] column Column the problem was found on.
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 24 def measure(lineno, column) @problems << Problem.new('unnecessary_double_quotes', lineno, column, "Unnecessary double quotes at column #{column}, " + 'expected single quotes.', @options[:level]) end
nl_update(lexed_line, lineno, _)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 11 def nl_update(lexed_line, lineno, _) quotes(lexed_line).each do |quote| unless contains_embedded_expression?(quote) || contains_escape_sequence?(quote) measure(lineno, column(quote.first)) end end end
Private Instance Methods
column(token)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 48 def column(token) token[0][1] end
contains_embedded_expression?(tokens)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 32 def contains_embedded_expression?(tokens) tokens.any? { |t| t[1] == :on_embexpr_beg } end
contains_escape_sequence?(tokens)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 36 def contains_escape_sequence?(tokens) tokens.any? do |t| t[1] == :on_tstring_content and t[2].match(/\\[a-z]+/) end end
double_quote_end?(token)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 56 def double_quote_end?(token) token[1] == :on_tstring_end and token[2] == '"' end
double_quote_start?(token)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 52 def double_quote_start?(token) token[1] == :on_tstring_beg and token[2] == '"' end
quotes(tokens)
click to toggle source
# File lib/tailor/rulers/allow_unnecessary_double_quotes_ruler.rb, line 42 def quotes(tokens) tokens.select do |t| true if (double_quote_start?(t))..(double_quote_end?(t)) end.slice_before { |t| double_quote_start?(t) }.reject { |q| q.empty? } end