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module ROXML
PARSERS = %w[nokogiri libxml].freeze
unless const_defined? 'XML_PARSER'
parsers = PARSERS.dup
begin
require parsers.first
XML_PARSER = parsers.first # :nodoc:
rescue LoadError
parsers.shift
retry unless parsers.empty?
raise "Could not load a parser. Tried #{PARSERS.to_sentence}"
end
end
require File.join('roxml/xml/parsers', XML_PARSER)
module XML
class Node
def self.from(data)
case data
when XML::Node
data
when XML::Document
data.root
when File, IO
XML.parse_io(data).root
else
if (defined?(URI) && data.is_a?(URI::Generic)) ||
(defined?(Pathname) && data.is_a?(Pathname))
XML.parse_file(data.to_s).root
else
XML.parse_string(data).root
end
end
end
end
end
end
require 'roxml/xml/references'
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