Class: Pdf::Label::LengthNode

Inherits:
XML::Mapping::SingleAttributeNode
  • Object
show all
Defined in:
lib/pdf/label/length_node.rb

Instance Method Summary collapse

Instance Method Details

#extract_attr_value(xml) ⇒ Object 



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# File 'lib/pdf/label/length_node.rb', line 39

def extract_attr_value(xml)
  @value = default_when_xpath_err{@path.first(xml).text}
Length.new(@value)
end

#initialize_impl(path) ⇒ Object 



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# File 'lib/pdf/label/length_node.rb', line 35

def initialize_impl(path)
  @path = XML::XXPath.new(path)
end

#set_attr_value(xml, value) ⇒ Object 



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# File 'lib/pdf/label/length_node.rb', line 44

def set_attr_value(xml, value)
  raise "Not a Length: #{value}" unless Length===value
  @path.first(xml,:ensure_created=>true).text = value.value
end