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# Copyright (C) 2008-2011 AMEE UK Ltd. - http://www.amee.com
# Released as Open Source Software under the BSD 3-Clause license. See LICENSE.txt for details.
module ParseHelper
def x(xpath,options = {})
doc = options[:doc] || @doc
preamble = options[:meta] == true ? metaxmlpathpreamble : xmlpathpreamble
if doc.is_a?(Nokogiri::XML::Node)
nodes = doc.xpath("#{preamble}#{xpath}")
else
nodes=REXML::XPath.match(doc,"#{preamble}#{xpath}")
end
if nodes.is_a? String
return nodes
end
if nodes.length==1
return node_value(nodes.first)
elsif nodes.length>1
return nodes.map{|x| node_value(x)}
else
return nil
end
end
def node_value(node)
if node.is_a?(Nokogiri::XML::Attr) || node.is_a?(REXML::Attribute)
# Attributes are allowed to be an empty string
return node.to_s
elsif node.is_a?(Nokogiri::XML::Element) || node.is_a?(REXML::Element)
return node.text == '' ? nil : node.text
else
return node.to_s
end
end
def xmlpathpreamble
''
end
def load_xml_doc(xml)
doc = Nokogiri.XML(xml) { |config| config.strict }
doc.remove_namespaces!
doc
end
private :x
end
Version data entries
18 entries across 18 versions & 1 rubygems