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Contents
module Watir
# @private
module XpathLocator
def xmlparser_document_object
@xml_parser_doc ||= begin
require 'nokogiri'
Nokogiri.parse("<html>#{@container.html}</html>")
end
end
# execute css selector and return an array of elements
def elements_by_css(selector)
xmlparser_document_object # Needed to ensure Nokogiri has been loaded
xpath = Nokogiri::CSS.xpath_for(selector)[0]
elements_by_xpath(xpath)
end
# return the first element that matches the css selector
def element_by_css(selector)
elements_by_css(selector)[0]
end
# return the first element that matches the xpath
def element_by_xpath(xpath)
elements_by_xpath(xpath)[0]
end
# execute xpath selector and return an array of elements
def elements_by_xpath(xpath)
doc = xmlparser_document_object
current_tag = @container.is_a?(Browser) ? "body" : @container.tag_name
doc.xpath(xpath).reduce([]) do |elements, element|
absolute_xpath_parts = element.path.split("/")
first_tag_position = absolute_xpath_parts.index(current_tag) || absolute_xpath_parts.index("html") + 1
element_xpath_parts = absolute_xpath_parts[first_tag_position..-1]
elements << element_xpath_parts.reduce(@container.page_container) do |container, tag|
tag_name, index = tag.split(/[\[\]]/)
index = index ? index.to_i - 1 : 0
specifiers = {:tag_name => [tag_name]}
direct_children(container, container.send(:elements, specifiers))[index]
end.ole_object
end
end
def direct_children container, elements
return elements if container.is_a?(Browser)
elements.select {|el| el.parent == container}
end
end
end
Version data entries
5 entries across 5 versions & 1 rubygems