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module Nokogiri
module Decorators
###
# The Slop decorator implements method missing such that a methods may be
# used instead of XPath or CSS. See Nokogiri.Slop
module Slop
# The default XPath search context for Slop
XPATH_PREFIX = "./"
###
# look for node with +name+. See Nokogiri.Slop
def method_missing name, *args, &block
if args.empty?
list = xpath("#{XPATH_PREFIX}#{name.to_s.sub(/^_/, '')}")
elsif args.first.is_a? Hash
hash = args.first
if hash[:css]
list = css("#{name}#{hash[:css]}")
elsif hash[:xpath]
conds = Array(hash[:xpath]).join(' and ')
list = xpath("#{XPATH_PREFIX}#{name}[#{conds}]")
end
else
CSS::Parser.without_cache do
list = xpath(
*CSS.xpath_for("#{name}#{args.first}", :prefix => XPATH_PREFIX)
)
end
end
super if list.empty?
list.length == 1 ? list.first : list
end
def respond_to_missing? name, include_private = false
list = xpath("#{XPATH_PREFIX}#{name.to_s.sub(/^_/, '')}")
!list.empty?
end
end
end
end
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