Class: Xmldsig::Transforms::XPath

Inherits:
Transform
  • Object
show all
Defined in:
lib/xmldsig/transforms/xpath.rb

Constant Summary collapse

REC_XPATH_1991116_QUERY = 
"(//. | //@* | //namespace::*)"

Instance Attribute Summary collapse

Attributes inherited from Transform

#node, #transform_node, #with_comments

Instance Method Summary collapse

Constructor Details

#initialize(node, transform_node) ⇒ XPath

Returns a new instance of XPath.



8
9
10
11
 
# File 'lib/xmldsig/transforms/xpath.rb', line 8

def initialize(node, transform_node)
  @xpath_query = transform_node.at_xpath("ds:XPath", NAMESPACES).text
  super(node, transform_node)
end

Instance Attribute Details

#xpath_query ⇒ Object (readonly)

Returns the value of attribute xpath_query.



4
5
6
 
# File 'lib/xmldsig/transforms/xpath.rb', line 4

def xpath_query
  @xpath_query
end

Instance Method Details

#transform ⇒ Object 



13
14
15
16
17
18
19
 
# File 'lib/xmldsig/transforms/xpath.rb', line 13

def transform
  node.xpath(REC_XPATH_1991116_QUERY)
    .reject { |n| !n.respond_to?(:xpath) }
    .reject { |n| n.xpath(@xpath_query, node.namespaces) }
    .each(&:remove)
  node
end