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Class: RuboCop::Cop::Utils::FormatString

Relationships & Source Files
Namespace Children
Classes:
FormatSequence
Inherits: Object
Defined in: lib/rubocop/cop/utils/format_string.rb

Overview

Parses Kernel#sprintf format strings.

Constant Summary

Class Method Summary

Instance Attribute Summary

Instance Method Summary

Constructor Details

.new(string) ⇒ FormatString

[ GitHub ] 

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 89



def initialize(string)
  @source = string
end


  







Instance Attribute Details



  

    #mixed_formats?  ⇒ Boolean  (readonly, private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 117



def mixed_formats?
  formats = format_sequences.reject(&:percent?).map do |seq|
    if seq.name
      :named
    elsif seq.max_digit_dollar_num
      :numbered
    else
      :unnumbered
    end
  end

  formats.uniq.size > 1
end


  








  

    #named_interpolation?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 101



def named_interpolation?
  format_sequences.any?(&:name)
end


  








  

    #valid?  ⇒ Boolean  (readonly)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 97



def valid?
  !mixed_formats?
end


  







Instance Method Details



  

    #format_sequences  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 93



def format_sequences
  @format_sequences ||= parse
end


  








  

    #max_digit_dollar_num  
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 105



def max_digit_dollar_num
  format_sequences.map(&:max_digit_dollar_num).max
end


  








  

    #parse   (private)
  

  [ GitHub ]


  

  


# File 'lib/rubocop/cop/utils/format_string.rb', line 111



def parse
  matches = []
  @source.scan(SEQUENCE) { matches << FormatSequence.new(Regexp.last_match) }
  matches
end