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##
# This class encapsulates an XML file. If Mechanize finds a content-type
# of 'text/xml' or 'application/xml' this class will be instantiated and
# returned. This class also opens up the +search+ and +at+ methods available
# on the underlying Nokogiri::XML::Document object.
#
# Example:
#
# require 'mechanize'
#
# agent = Mechanize.new
# xml = agent.get('http://example.org/some-xml-file.xml')
# xml.class #=> Mechanize::XmlFile
# xml.search('//foo[@attr="bar"]/etc')
class Mechanize::XmlFile < Mechanize::File
extend Forwardable
# The underlying Nokogiri::XML::Document object
attr_reader :xml
def initialize(uri = nil, response = nil, body = nil, code = nil)
super uri, response, body, code
@xml = Nokogiri.XML body
end
##
# :method: search
#
# Search for +paths+ in the page using Nokogiri's #search. The +paths+ can
# be XPath or CSS and an optional Hash of namespaces may be appended.
#
# See Nokogiri::XML::Node#search for further details.
def_delegator :xml, :search, :search
##
# :method: at
#
# Search through the page for +path+ under +namespace+ using Nokogiri's #at.
# The +path+ may be either a CSS or XPath expression.
#
# See also Nokogiri::XML::Node#at
def_delegator :xml, :at, :at
end
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