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Contents
module Traject
module Macros
module NokogiriMacros
def default_namespaces
@default_namespaces ||= (settings["nokogiri.namespaces"] || {}).tap { |ns|
unless ns.kind_of?(Hash)
raise ArgumentError, "nokogiri.namespaces must be a hash, not: #{ns.inspect}"
end
}
end
def extract_xpath(xpath, ns: {}, to_text: true)
if ns && ns.length > 0
namespaces = default_namespaces.merge(ns)
else
namespaces = default_namespaces
end
lambda do |record, accumulator|
result = record.xpath(xpath, namespaces)
if to_text
# take all matches, for each match take all
# text content, join it together separated with spaces
# Make sure to avoid text content that was all blank, which is "between the children"
# whitespace.
result = result.collect do |n|
n.xpath('.//text()').collect(&:text).tap do |arr|
arr.reject! { |s| s =~ (/\A\s+\z/) }
end.join(" ")
end
else
# just put all matches in accumulator as Nokogiri::XML::Node's
result = result.to_a
end
accumulator.concat result
end
end
end
end
end
Version data entries
7 entries across 7 versions & 1 rubygems