Class: Nokogiri::XML::Attr

Inherits:
Node
  • Object
show all
Defined in:
lib/nokogiri/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

Constants included from Searchable

Searchable::LOOKS_LIKE_XPATH

Class Method Summary collapse

Instance Method Summary collapse

Methods inherited from Node

#<<, #<=>, #==, #>, #[], #[]=, #accept, #add_child, #add_namespace_definition, #add_next_sibling, #add_previous_sibling, #after, #ancestors, #attribute, #attribute_nodes, #attribute_with_ns, #attributes, #before, #blank?, #canonicalize, #cdata?, #child, #children, #children=, #comment?, #content, #create_external_subset, #create_internal_subset, #css_path, #decorate!, #default_namespace=, #description, #do_xinclude, #document, #document?, #dup, #each, #element?, #element_children, #encode_special_chars, #external_subset, #first_element_child, #fragment, #fragment?, #html?, #initialize, #inner_html, #inner_html=, #internal_subset, #key?, #keys, #lang, #lang=, #last_element_child, #line, #matches?, #namespace, #namespace=, #namespace_definitions, #namespace_scopes, #namespaced_key?, #namespaces, #native_content=, #next_element, #next_sibling, #node_name, #node_name=, #node_type, #parent, #parent=, #parse, #path, #pointer_id, #prepend_child, #previous_element, #previous_sibling, #processing_instruction?, #read_only?, #remove_attribute, #replace, #serialize, #swap, #text?, #to_html, #to_xhtml, #to_xml, #traverse, #unlink, #values, #write_html_to, #write_to, #write_xhtml_to, #write_xml_to, #xml?

Methods included from Searchable

#at, #at_css, #at_xpath, #css, #search, #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 'ext/nokogiri/xml_attr.c', line 49

static VALUE new(int argc, VALUE *argv, VALUE klass)
{
  xmlDocPtr xml_doc;
  VALUE document;
  VALUE name;
  VALUE rest;
  xmlAttrPtr node;
  VALUE rb_node;

  rb_scan_args(argc, argv, "2*", &document, &name, &rest);

  Data_Get_Struct(document, xmlDoc, xml_doc);

  node = xmlNewDocProp(
      xml_doc,
      (const xmlChar *)StringValueCStr(name),
      NULL
  );

  nokogiri_root_node((xmlNodePtr)node);

  rb_node = Nokogiri_wrap_xml_node(klass, (xmlNodePtr)node);
  rb_obj_call_init(rb_node, argc, argv);

  if(rb_block_given_p()) rb_yield(rb_node);

  return rb_node;
}

Instance Method Details

#value=(content) ⇒ Object Also known as: content=

Set the value for this Attr to content



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# File 'ext/nokogiri/xml_attr.c', line 9

static VALUE set_value(VALUE self, VALUE content)
{
  xmlAttrPtr attr;
  Data_Get_Struct(self, xmlAttr, attr);

  if(attr->children) xmlFreeNodeList(attr->children);

  attr->children = attr->last = NULL;

  if(content) {
    xmlChar *buffer;
    xmlNode *tmp;

    /* Encode our content */
    buffer = xmlEncodeEntitiesReentrant(attr->doc, (unsigned char *)StringValueCStr(content));

    attr->children = xmlStringGetNodeList(attr->doc, buffer);
    attr->last = NULL;
    tmp = attr->children;

    /* Loop through the children */
    for(tmp = attr->children; tmp; tmp = tmp->next) {
      tmp->parent = (xmlNode *)attr;
      tmp->doc = attr->doc;
      if(tmp->next == NULL) attr->last = tmp;
    }

    /* Free up memory */
    xmlFree(buffer);
  }

  return content;
}