Method: PDF::Reader::Encoding#initialize

Defined in:
lib/pdf/reader/encoding.rb

#initialize(enc) ⇒ Encoding

Returns a new instance of Encoding.



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# File 'lib/pdf/reader/encoding.rb', line 38

def initialize(enc)
  @mapping  = default_mapping # maps from character codes to Unicode codepoints
  @string_cache  = {} # maps from character codes to UTF-8 strings.

  if enc.kind_of?(Hash)
    self.differences = enc[:Differences] if enc[:Differences]
    enc = enc[:Encoding] || enc[:BaseEncoding]
  elsif enc != nil
    enc = enc.to_sym
  else
    enc = nil
  end

  @enc_name = enc
  @unpack   = get_unpack(enc)
  @map_file = get_mapping_file(enc)

  load_mapping(@map_file) if @map_file
end