Module: XML

Included in:
Document, Node
Defined in:
lib/s33r/libxml_extensions.rb

Overview

Convenience methods for libxml classes.

Defined Under Namespace

Classes: Document, Node

Class Method Summary collapse

Instance Method Summary collapse

Class Method Details

.get_xml_doc(xml_str) ⇒ Object

Parse an XML string into an XML::Document instance.



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# File 'lib/s33r/libxml_extensions.rb', line 19

def self.get_xml_doc(xml_str)
  parser = XML::Parser.new
  parser.string = xml_str
  parser.parse
end

Instance Method Details

#xget(xpath) ⇒ Object

Find first element matching xpath and return its content (intended for use as a mixed-in method for Document/Node instances).

xpath: XPath query to run against self.

Returns nil if no element matches xpath.



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# File 'lib/s33r/libxml_extensions.rb', line 9

def xget(xpath)
  nodes = self.find(xpath).to_a
  if nodes.empty?
    return nil
  else
    return nodes.first.content
  end
end