Class: Nokogiri::XML::Attr

Inherits:
Node
  • Object
show all
Defined in:
lib/nokogiri/xml/attr.rb,
lib/nokogiri/ffi/xml/attr.rb,
ext/nokogiri/xml_attr.c

Constant Summary

Constants inherited from Node

Node::ATTRIBUTE_DECL, Node::ATTRIBUTE_NODE, Node::CDATA_SECTION_NODE, Node::COMMENT_NODE, Node::DOCB_DOCUMENT_NODE, Node::DOCUMENT_FRAG_NODE, Node::DOCUMENT_NODE, Node::DOCUMENT_TYPE_NODE, Node::DTD_NODE, Node::ELEMENT_DECL, Node::ELEMENT_NODE, Node::ENTITY_DECL, Node::ENTITY_NODE, Node::ENTITY_REF_NODE, Node::HTML_DOCUMENT_NODE, Node::NAMESPACE_DECL, Node::NOTATION_NODE, Node::PI_NODE, Node::TEXT_NODE, Node::XINCLUDE_END, Node::XINCLUDE_START

Instance Attribute Summary

Attributes inherited from Node

#cstruct

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#<=>, #==, #>, #[], #[]=, #accept, #add_child, #add_namespace, #add_namespace_definition, #add_next_sibling, #add_previous_sibling, #after, #ancestors, #at, #at_css, #at_xpath, #attribute, #attribute_nodes, #attribute_with_ns, #attributes, #before, #blank?, #cdata?, #child, #children, #clone, #comment?, #content, #create_external_subset, #create_internal_subset, #css, #css_path, #decorate!, #default_namespace=, #description, #document, #dup, #each, #element?, #element_children, #elements, #encode_special_chars, #external_subset, #first_element_child, #fragment, #fragment?, #has_attribute?, #html?, #initialize, #inner_html, #inner_html=, #inner_text, #internal_subset, #key?, #keys, #last_element_child, #line, #matches?, #name, #name=, #namespace, #namespace=, #namespace_definitions, #namespace_scopes, #namespaced_key?, #namespaces, #next, #next_element, #next_sibling, #node_name, #node_name=, node_properties, #node_type, #parent, #parent=, #parse, #path, #pointer_id, #previous, #previous_element, #previous_sibling, #read_only?, #remove, #remove_attribute, #replace, #search, #serialize, #set_attribute, #swap, #text, #text?, #to_html, #to_xhtml, #to_xml, #traverse, #type, #unlink, #values, wrap, #write_html_to, #write_to, #write_xhtml_to, #write_xml_to, #xml?, #xpath

Methods included from PP::Node

#inspect, #pretty_print

Constructor Details

This class inherits a constructor from Nokogiri::XML::Node

Class Method Details

.new(document, name) ⇒ Object

Create a new Attr element on the document with name



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# File 'lib/nokogiri/ffi/xml/attr.rb', line 5

def self.new(document, name, *rest) # :nodoc:
  node_ptr = LibXML.xmlNewDocProp(document.cstruct, name.to_s, nil)
  node_cstruct = LibXML::XmlNode.new(node_ptr)
  node_cstruct.keep_reference_from_document!

  node = Node.wrap(node_cstruct, self)
  node.send :initialize, document, name, *rest
  yield node if block_given?
  node
end

Instance Method Details

#content= ⇒ Object 



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# File 'lib/nokogiri/xml/attr.rb', line 6

alias :content= :value=

#value=(content) ⇒ Object

Set the value for this Attr to content



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# File 'lib/nokogiri/ffi/xml/attr.rb', line 16

def value=(content) # :nodoc:
  unless cstruct[:children].null?
    LibXML.xmlFreeNodeList(cstruct[:children])
  end
  cstruct[:children] = cstruct[:last] = nil
  return unless content

  char_ptr = LibXML.xmlEncodeEntitiesReentrant(cstruct[:doc], content)

  cstruct[:children] = LibXML.xmlStringGetNodeList(cstruct[:doc], char_ptr)
  child_cstruct = cstruct[:children]
  while ! child_cstruct.null?
    child = Node.wrap(child_cstruct)
    child.cstruct[:parent] = cstruct
    child.cstruct[:doc] = cstruct[:doc]
    cstruct[:last] = child.cstruct
    child_cstruct = child.cstruct[:next]
  end
  LibXML.xmlFree(char_ptr)

  content
end