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module Ox
# Represents an XML document. It has a fixed set of attributes which form
# the XML prolog. A Document includes Elements.
class Document < Element
# Create a new Document.
# @param [Hash] prolog prolog attributes
# @option prolog [String] :version version, typically '1.0' or '1.1'
# @option prolog [String] :encoding encoding for the document, currently included but ignored
# @option prolog [String] :standalone indicates the document is standalone
def initialize(prolog={})
super(nil)
@attributes = { }
@attributes[:version] = prolog[:version] unless prolog[:version].nil?
@attributes[:encoding] = prolog[:encoding] unless prolog[:encoding].nil?
@attributes[:standalone] = prolog[:standalone] unless prolog[:standalone].nil?
end
# Returns the first Element in the document.
def root()
unless !instance_variable_defined?(:@nodes) || @nodes.nil?
@nodes.each do |n|
return n if n.is_a?(::Ox::Element)
end
end
nil
end
end # Document
end # Ox
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