Class: Nokolexbor::ProcessingInstruction

Inherits:

Node

• Object
• Node
• Nokolexbor::ProcessingInstruction

Defined in:

ext/nokolexbor/nl_processing_instruction.c

Constant Summary

Constants inherited from Node

Node::ATTRIBUTE_NODE, Node::CDATA_SECTION_NODE, Node::COMMENT_NODE, Node::DOCUMENT_FRAG_NODE, Node::DOCUMENT_NODE, Node::DOCUMENT_TYPE_NODE, Node::ELEMENT_NODE, Node::ENTITY_NODE, Node::ENTITY_REF_NODE, Node::LOOKS_LIKE_XPATH, Node::NOTATION_NODE, Node::PI_NODE, Node::TEXT_NODE

Instance Attribute Summary

Attributes inherited from Node

#document

Class Method Summary

• .new(name, content, document) {|ProcessingInstruction| ... } ⇒ ProcessingInstruction

  Create a new ProcessingInstruction from name and content.

Methods inherited from Node

#<<, #==, #[], #[]=, #add_child, #add_class, #add_next_sibling, #add_previous_sibling, #add_sibling, #after, #ancestors, #append_class, #at, #at_css, #at_css_impl, #at_xpath, #attribute, #attribute_nodes, #attributes, #attrs, #before, #cdata?, #child, #children, #children=, #classes, #clone, #comment?, #content, #content=, #css, #css_impl, #destroy, #document?, #each, #element?, #first_element_child, #fragment, #fragment?, #inner_html, #key?, #keys, #kwattr_add, #kwattr_append, #kwattr_remove, #kwattr_values, #last_element_child, #matches?, #name, #next, #next_element, #node_type, #nokogiri_at_css, #nokogiri_css, #outer_html, #parent, #parent=, #parse, #prepend_child, #previous, #previous_element, #processing_instruction?, #remove, #remove_attr, #remove_class, #replace, #search, #swap, #text?, #traverse, #values, #wrap, #write_to, #xpath

Class Method Details

.new(name, content, document) {|ProcessingInstruction| ... } ⇒ ProcessingInstruction

Create a new ProcessingInstruction from name and content.

Yields:

• (ProcessingInstruction)

Returns:

• (ProcessingInstruction)

# File 'ext/nokolexbor/nl_processing_instruction.c', line 13

static VALUE
nl_processing_instruction_new(int argc, VALUE *argv, VALUE klass)
{
  lxb_dom_document_t *document;
  VALUE rb_name;
  VALUE rb_content;
  VALUE rb_document;
  VALUE rest;

  rb_scan_args(argc, argv, "3*", &rb_name, &rb_content, &rb_document, &rest);

  if (!rb_obj_is_kind_of(rb_document, cNokolexborDocument)) {
    rb_raise(rb_eArgError, "Document must be a Nokolexbor::Document");
  }

  document = nl_rb_document_unwrap(rb_document);

  const char *c_name = StringValuePtr(rb_name);
  size_t name_len = RSTRING_LEN(rb_name);
  const char *c_content = StringValuePtr(rb_content);
  size_t content_len = RSTRING_LEN(rb_content);
  lxb_dom_processing_instruction_t *node = lxb_dom_document_create_processing_instruction(document, (const lxb_char_t *)c_name, name_len, (const lxb_char_t *)c_content, content_len);
  if (node == NULL) {
    rb_raise(rb_eRuntimeError, "Error creating processing instruction");
  }

  VALUE rb_node = nl_rb_node_create(&node->char_data.node, rb_document);

  if (rb_block_given_p()) {
    rb_yield(rb_node);
  }

  return rb_node;
}