Module: T2Server::XML::Methods

Included in:
Administrator, OutputPort, Port, Run, Server, XPathCache
Defined in:
lib/t2-server/xml/methods.rb

Instance Method Summary collapse

Instance Method Details

#get_uris_from_doc(doc, keys) ⇒ Object

Given a list of xpath keys, extract the href URIs from those elements.



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# File 'lib/t2-server/xml/methods.rb', line 87

def get_uris_from_doc(doc, keys)
  cache = XPathCache.instance
  uris = {}

  keys.each do |key|
    uri = xpath_attr(doc, cache[key], "href")
    uris[key] = uri.nil? ? nil : URI.parse(uri)
  end

  uris
end

#xml_children(doc, &block) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 53

def xml_children(doc, &block)
  doc.each { |node| yield node }
end

#xml_document(string) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 41

def xml_document(string)
  LibXML::XML::Document.string(string)
end

#xml_first_child(node) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 49

def xml_first_child(node)
  node.first
end

#xml_node_attribute(node, attribute) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 65

def xml_node_attribute(node, attribute)
  node.attributes[attribute]
end

#xml_node_content(node) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 61

def xml_node_content(node)
  node.content
end

#xml_node_name(node) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 57

def xml_node_name(node)
  node.name
end

#xml_text_node(text) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 45

def xml_text_node(text)
  LibXML::XML::Node.new_text(text)
end

#xpath_attr(doc, expr, attribute) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 81

def xpath_attr(doc, expr, attribute)
  node = xpath_first(doc, expr)
  node.nil? ? nil : node.attributes[attribute]
end

#xpath_compile(xpath) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 69

def xpath_compile(xpath)
  LibXML::XML::XPath::Expression.new(xpath)
end

#xpath_find(doc, expr) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 73

def xpath_find(doc, expr)
  doc.find(expr, Namespaces::MAP)
end

#xpath_first(doc, expr) ⇒ Object 



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# File 'lib/t2-server/xml/methods.rb', line 77

def xpath_first(doc, expr)
  doc.find_first(expr, Namespaces::MAP)
end