Class: Nekohtml::HtmlThing

Inherits:
Object
  • Object
show all
Defined in:
lib/nekohtml/html_document.rb

Direct Known Subclasses

HtmlDocument, HtmlNode, HtmlNodeList

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(java_object) ⇒ HtmlThing

Returns a new instance of HtmlThing.



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# File 'lib/nekohtml/html_document.rb', line 5

def initialize(java_object)
  @java_object = java_object

  @jxpath_factory =
    javax.xml.xpath.XPathFactory.newInstance()
end

Instance Attribute Details

#java_object ⇒ Object

Returns the value of attribute java_object.



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# File 'lib/nekohtml/html_document.rb', line 4

def java_object
  @java_object
end

Instance Method Details

#at(xpath) ⇒ Object 



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# File 'lib/nekohtml/html_document.rb', line 33

def at(xpath)
  @jxpath_settings = javax.xml.xpath.XPathConstants::NODE
  jnode = self.do_search(xpath, @jxpath_settings)

  result = jnode ? HtmlNode.new(jnode) : nil
end

#do_search(xpath, settings) ⇒ Object 



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# File 'lib/nekohtml/html_document.rb', line 12

def do_search(xpath, settings)
  jxpath_object = @jxpath_factory.newXPath()
  jmaybe_node_list = begin
                       jxpath_object.evaluate(
                         xpath, 
                         @java_object,
                         settings
                       )
                     rescue
                       nil
                     end
  return jmaybe_node_list
end

#search(xpath) ⇒ Object 



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# File 'lib/nekohtml/html_document.rb', line 26

def search(xpath)
  @jxpath_settings = javax.xml.xpath.XPathConstants::NODESET
  jnode_list = self.do_search(xpath, @jxpath_settings)

  result = jnode_list ? HtmlNodeList.new(jnode_list) : nil
end