Class: String

Inherits:
Object show all
Defined in:
lib/asciidoctor/pdf/ext/core/string.rb

Instance Method Summary collapse

Instance Method Details

#as_pdf ⇒ Object

If the string is ASCII only, convert it to a PDF LiteralString object. Otherwise, return self.



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# File 'lib/asciidoctor/pdf/ext/core/string.rb', line 13

def as_pdf
  ascii_only? ? (::PDF::Core::LiteralString.new encode ::Encoding::ASCII_8BIT) : self
end

#pred ⇒ Object 



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# File 'lib/asciidoctor/pdf/ext/core/string.rb', line 4

def pred
  # integers
  (Integer self).pred.to_s
rescue ::ArgumentError
  # chars (upper alpha, lower alpha, lower greek)
  ([65, 97, 945].include? ord) ? '0' : ([ord - 1].pack 'U1')
end

#to_pdf_object ⇒ Object

Convert the string to a serialized PDF object. If the string can be encoded as ASCII-8BIT, first convert it to a PDF LiteralString object.



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# File 'lib/asciidoctor/pdf/ext/core/string.rb', line 19

def to_pdf_object
  ::PDF::Core.pdf_object as_pdf
end