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Class: Prism::CodeUnitsCache::UTF16Counter

Do not use. This class is for internal use only.
Relationships & Source Files
Inherits: Object
Defined in: lib/prism/parse_result.rb

Class Method Summary

Instance Method Summary

Constructor Details

.new(source, encoding) ⇒ UTF16Counter

: (String source, Encoding encoding) -> void

[ GitHub ] 

  


# File 'lib/prism/parse_result.rb', line 247



def initialize(source, encoding)
  @source = source
  @encoding = encoding
end


  







Instance Method Details



  

    #count(byte_offset, byte_length)  
  



  

    

: (Integer byte_offset, Integer byte_length) -> Integer


  



  [ GitHub ]


  

  


# File 'lib/prism/parse_result.rb', line 253



def count(byte_offset, byte_length)
  (@source.byteslice(byte_offset, byte_length) or raise).encode(@encoding, invalid: :replace, undef: :replace).bytesize / 2
end