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# Only allow this backend the xml-simple gem is already loaded
raise ::LoadError, "The xml-simple library isn't available. require 'xmlsimple'" unless defined?(XmlSimple)
module OEmbed
module Formatter
module XML
module Backends
# Use the xml-simple gem to parse XML values.
module XmlSimple
extend self
# Parses an XML string or IO and convert it into an object.
def decode(xml)
if !xml.respond_to?(:read)
xml = StringIO.new(xml)
end
::XmlSimple.xml_in(xml, 'ForceArray'=>false)
rescue
case $!
when parse_error
raise $!
else
raise parse_error, "Couldn't parse the given document."
end
end
def decode_fail_msg
"The version of the xml-simple library you have installed isn't parsing XML like ruby-oembed expected."
end
def parse_error
::ArgumentError
end
end
end
end
end
end
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