Class: Nokolexbor::Node

Inherits:
Object
  • Object
show all
Includes:
Enumerable
Defined in:
lib/nokolexbor/node.rb,
ext/nokolexbor/nl_node.c

Direct Known Subclasses

Document, NodeSet

Constant Summary collapse

ELEMENT_NODE = 
1
ATTRIBUTE_NODE = 
2
TEXT_NODE = 
3
CDATA_SECTION_NODE = 
4
ENTITY_REF_NODE = 
5
ENTITY_NODE = 
6
PI_NODE = 
7
COMMENT_NODE = 
8
DOCUMENT_NODE = 
9
DOCUMENT_TYPE_NODE = 
10
DOCUMENT_FRAG_NODE = 
11
NOTATION_NODE = 
12
LOOKS_LIKE_XPATH = 
%r{^(\./|/|\.\.|\.$)}

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Instance Attribute Details

#document ⇒ Object (readonly)

Returns the value of attribute document.



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# File 'lib/nokolexbor/node.rb', line 20

def document
  @document
end

Class Method Details

.new(*args) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 55

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

  rb_scan_args(argc, argv, "2*", &rb_name, &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);

  lxb_dom_element_t *element = lxb_dom_document_create_element(document, (const lxb_char_t *)StringValueCStr(rb_name), RSTRING_LEN(rb_name), NULL);
  if (element == NULL)
  {
    rb_raise(rb_eRuntimeError, "Error creating element");
  }

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

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

  return rb_node;
}

Instance Method Details

#==(other) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 590

static VALUE
nl_node_equals(VALUE self, VALUE other)
{
  lxb_dom_node_t *node1 = nl_rb_node_unwrap(self);
  lxb_dom_node_t *node2 = nl_rb_node_unwrap(other);
  return node1 == node2 ? Qtrue : Qfalse;
}

#[](rb_attr) ⇒ Object Also known as: attr 



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# File 'ext/nokolexbor/nl_node.c', line 105

static VALUE
nl_node_get_attr(VALUE self, VALUE rb_attr)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return Qnil;
  }

  VALUE rb_attr_s = rb_String(rb_attr);
  const char *attr_c = RSTRING_PTR(rb_attr_s);
  size_t attr_len = RSTRING_LEN(rb_attr_s);

  lxb_dom_element_t *element = lxb_dom_interface_element(node);

  if (!lxb_dom_element_has_attribute(element, (const lxb_char_t *)attr_c, attr_len))
  {
    return Qnil;
  }

  size_t attr_value_len;
  const lxb_char_t *attr_value = lxb_dom_element_get_attribute(element, (const lxb_char_t *)attr_c, attr_len, &attr_value_len);

  return rb_utf8_str_new((const char *)attr_value, attr_value_len);
}

#[]=(rb_attr, rb_value) ⇒ Object Also known as: set_attr 



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# File 'ext/nokolexbor/nl_node.c', line 132

static VALUE
nl_node_set_attr(VALUE self, VALUE rb_attr, VALUE rb_value)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return Qnil;
  }

  VALUE rb_attr_s = rb_String(rb_attr);
  VALUE rb_value_s = rb_String(rb_value);

  const char *attr_c = RSTRING_PTR(rb_attr_s);
  size_t attr_len = RSTRING_LEN(rb_attr_s);
  const char *value_c = RSTRING_PTR(rb_value_s);
  size_t value_len = RSTRING_LEN(rb_value_s);

  lxb_dom_element_t *element = lxb_dom_interface_element(node);

  lxb_dom_element_set_attribute(element, (const lxb_char_t *)attr_c, attr_len, (const lxb_char_t *)value_c, value_len);

  return rb_value;
}

#add_child(new) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 697

static VALUE
nl_node_add_child(VALUE self, VALUE new)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_document_t *doc = node->owner_document;

  if (TYPE(new) == T_STRING)
  {
    lxb_dom_node_t *frag_root = nl_node_parse_fragment(doc, (lxb_char_t *)RSTRING_PTR(new), RSTRING_LEN(new));

    while (frag_root->first_child != NULL)
    {
      lxb_dom_node_t *child = frag_root->first_child;
      lxb_dom_node_remove(child);
      lxb_dom_node_insert_child(node, child);
    }
    lxb_dom_node_destroy(frag_root);
  }
  else if (rb_obj_class(new) == cNokolexborNode)
  {
    lxb_dom_node_t *node_new = nl_rb_node_unwrap(new);
    lxb_dom_node_remove(node_new);
    lxb_dom_node_insert_child(node, node_new);
  }
  else
  {
    rb_raise(rb_eArgError, "Unsupported node type");
  }
  return Qnil;
}

#add_class(names) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 175

def add_class(names)
  kwattr_add("class", names)
end

#add_sibling(next_or_previous, new) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 652

static VALUE
nl_node_add_sibling(VALUE self, VALUE next_or_previous, VALUE new)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_document_t *doc = node->owner_document;

  int insert_after;
  if (rb_eql(rb_String(next_or_previous), rb_str_new_literal("next")))
  {
    insert_after = 1;
  }
  else if (rb_eql(rb_String(next_or_previous), rb_str_new_literal("previous")))
  {
    insert_after = 0;
  }
  else
  {
    rb_raise(rb_eArgError, "Unsupported inserting position");
  }

  if (TYPE(new) == T_STRING)
  {
    lxb_dom_node_t *frag_root = nl_node_parse_fragment(doc, (lxb_char_t *)RSTRING_PTR(new), RSTRING_LEN(new));

    while (frag_root->first_child != NULL)
    {
      lxb_dom_node_t *child = frag_root->first_child;
      lxb_dom_node_remove(child);
      insert_after ? lxb_dom_node_insert_after(node, child) : lxb_dom_node_insert_before(node, child);
    }
    lxb_dom_node_destroy(frag_root);
  }
  else if (rb_obj_class(new) == cNokolexborNode)
  {
    lxb_dom_node_t *node_new = nl_rb_node_unwrap(new);
    lxb_dom_node_remove(node_new);
    insert_after ? lxb_dom_node_insert_after(node, node_new) : lxb_dom_node_insert_before(node, node_new);
  }
  else
  {
    rb_raise(rb_eArgError, "Unsupported node type");
  }
  return Qnil;
}

#ancestors(selector = nil) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 48

def ancestors(selector = nil)
  return NodeSet.new(@document) unless respond_to?(:parent)
  return NodeSet.new(@document) unless parent

  parents = [parent]

  while parents.last.respond_to?(:parent)
    break unless (ctx_parent = parents.last.parent)

    parents << ctx_parent
  end

  return NodeSet.new(@document, parents) unless selector

  root = parents.last
  search_results = root.search(selector)

  NodeSet.new(@document, parents.find_all do |parent|
    search_results.include?(parent)
  end)
end

#append_class(names) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 179

def append_class(names)
  kwattr_append("class", names)
end

#at(*args) ⇒ Object Also known as: % 



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# File 'lib/nokolexbor/node.rb', line 159

def at(*args)
  paths, handler, ns, binds = extract_params(args)

  if paths.size == 1 && !LOOKS_LIKE_XPATH.match?(paths.first)
    return at_css(paths.first)
  end

  at_xpath(*(paths + [ns, handler, binds].compact))
end

#at_css(*args) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 133

def at_css(*args)
  at_css_impl(args.join(', '))
end

#at_css_impl(selector) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 308

static VALUE
nl_node_at_css(VALUE self, VALUE selector)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lexbor_array_t *array = lexbor_array_create();

  nl_node_find(self, selector, nl_node_at_css_callback, array);

  if (array->length == 0)
  {
    return Qnil;
  }

  sort_nodes_if_necessary(selector, node->owner_document, array);

  VALUE ret = nl_rb_node_create(array->list[0], nl_rb_document_get(self));

  lexbor_array_destroy(array, true);

  return ret;
}

#at_xpath(*args) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 143

def at_xpath(*args)
  xpath(*args).first
end

#attribute(name) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 94

def attribute(name)
  return nil unless key?(name)
  Attribute.new(name, attr(name))
end

#attributes ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 99

def attributes
  attrs.map { |k, v| [k, Attribute.new(k, v)] }.to_h
end

#attrs ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 469

static VALUE
nl_node_attrs(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  VALUE rb_hash = rb_hash_new();

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return rb_hash;
  }

  lxb_dom_attr_t *attr = lxb_dom_element_first_attribute(lxb_dom_interface_element(node));

  while (attr != NULL)
  {
    size_t tmp_len;
    const lxb_char_t *tmp = lxb_dom_attr_qualified_name(attr, &tmp_len);
    VALUE rb_key = rb_utf8_str_new((const char *)tmp, tmp_len);

    tmp = lxb_dom_attr_value(attr, &tmp_len);
    VALUE rb_value = tmp != NULL ? rb_utf8_str_new((const char *)tmp, tmp_len) : rb_str_new("", 0);

    rb_hash_aset(rb_hash, rb_key, rb_value);

    attr = lxb_dom_element_next_attribute(attr);
  }

  return rb_hash;
}

#cdata? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 28

def cdata?
  type == CDATA_SECTION_NODE
end

#child ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 566

static VALUE
nl_node_child(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_node_t *child = node->first_child;
  return child ? nl_rb_node_create(child, nl_rb_document_get(self)) : Qnil;
}

#children ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 550

static VALUE
nl_node_children(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_node_t *child = node->first_child;
  lexbor_array_t *array = lexbor_array_create();

  while (child != NULL)
  {
    lexbor_array_push(array, child);
    child = child->next;
  }

  return nl_rb_node_set_create_with_data(array, nl_rb_document_get(self));
}

#children=(node) ⇒ Object Also known as: inner_html= 



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# File 'lib/nokolexbor/node.rb', line 112

def children=(node)
  children.remove
  if node.is_a?(NodeSet)
    node.each { |n| add_child(n) }
  else
    add_child(node)
  end
end

#classes ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 171

def classes
  kwattr_values("class")
end

#clone ⇒ Object Also known as: dup 



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# File 'ext/nokolexbor/nl_node.c', line 796

static VALUE
nl_node_clone(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_node_t *clone = lxb_dom_node_clone(node, 1);
  return nl_rb_node_create(clone, nl_rb_document_get(self));
}

#comment? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 24

def comment?
  type == COMMENT_NODE
end

#content ⇒ Object Also known as: text, inner_text, to_str 



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# File 'ext/nokolexbor/nl_node.c', line 88

static VALUE
nl_node_content(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);

  size_t str_len = 0;
  lxb_char_t *text = lxb_dom_node_text_content(node, &str_len);
  if (text == NULL)
  {
    return rb_str_new("", 0);
  }
  VALUE rb_str = rb_utf8_str_new((char *)text, str_len);
  lxb_dom_document_destroy_text(node->owner_document, text);

  return rb_str;
}

#css(*args) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 129

def css(*args)
  css_impl(args.join(', '))
end

#css_impl(selector) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 330

static VALUE
nl_node_css(VALUE self, VALUE selector)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lexbor_array_t *array = lexbor_array_create();

  nl_node_find(self, selector, nl_node_css_callback, array);

  sort_nodes_if_necessary(selector, node->owner_document, array);

  return nl_rb_node_set_create_with_data(array, nl_rb_document_get(self));
}

#destroy ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 582

static VALUE
nl_node_destroy(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_node_destroy(node);
  return Qnil;
}

#each ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 121

def each
  attributes.each do |name, node|
    yield [name, node.value]
  end
end

#element? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 44

def element?
  type == ELEMENT_NODE
end

#first_element_child ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 734

static VALUE
nl_node_first_element_child(VALUE self)
{
  lxb_dom_node_t *parent = nl_rb_node_unwrap(self);
  lxb_dom_node_t *cur;

  if (parent == NULL)
  {
    return Qnil;
  }
  switch (parent->type)
  {
  case LXB_DOM_NODE_TYPE_ELEMENT:
  case LXB_DOM_NODE_TYPE_ENTITY:
  case LXB_DOM_NODE_TYPE_DOCUMENT:
    cur = parent->first_child;
    break;
  default:
    return Qnil;
  }
  while (cur != NULL)
  {
    if (cur->type == LXB_DOM_NODE_TYPE_ELEMENT)
    {
      return nl_rb_node_create(cur, nl_rb_document_get(self));
    }
    cur = cur->next;
  }
  return Qnil;
}

#fragment(html) ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 641

static VALUE
nl_node_fragment(VALUE self, VALUE html)
{
  Check_Type(html, T_STRING);
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_document_t *doc = node->owner_document;

  lxb_dom_node_t *frag_root = nl_node_parse_fragment(doc, (lxb_char_t *)RSTRING_PTR(html), RSTRING_LEN(html));
  return nl_rb_node_create(frag_root, nl_rb_document_get(self));
}

#fragment? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 40

def fragment?
  type == DOCUMENT_FRAG_NODE
end

#inner_html ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 343

static VALUE
nl_node_inner_html(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lexbor_str_t str = {0};
  lxb_status_t status = lxb_html_serialize_deep_str(node, &str);
  if (status != LXB_STATUS_OK)
  {
    if (str.data != NULL)
    {
      lexbor_str_destroy(&str, node->owner_document->text, false);
    }
    nl_raise_lexbor_error(status);
  }

  if (str.data != NULL)
  {
    VALUE ret = rb_utf8_str_new((const char *)str.data, str.length);
    lexbor_str_destroy(&str, node->owner_document->text, false);
    return ret;
  }

  return Qnil;
}

#key?(rb_attr) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'ext/nokolexbor/nl_node.c', line 393

static VALUE
nl_node_has_key(VALUE self, VALUE rb_attr)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return Qfalse;
  }

  VALUE rb_attr_s = rb_String(rb_attr);
  const char *attr_c = RSTRING_PTR(rb_attr_s);
  size_t attr_len = RSTRING_LEN(rb_attr_s);

  lxb_dom_element_t *element = lxb_dom_interface_element(node);

  return lxb_dom_element_has_attribute(element, (const lxb_char_t *)attr_c, attr_len) ? Qtrue : Qfalse;
}

#keys ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 412

static VALUE
nl_node_keys(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  VALUE ary_keys = rb_ary_new();

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return ary_keys;
  }

  lxb_dom_attr_t *attr = lxb_dom_element_first_attribute(lxb_dom_interface_element(node));

  while (attr != NULL)
  {
    size_t tmp_len;
    const lxb_char_t *tmp = lxb_dom_attr_qualified_name(attr, &tmp_len);
    rb_ary_push(ary_keys, rb_utf8_str_new((const char *)tmp, tmp_len));

    attr = lxb_dom_element_next_attribute(attr);
  }

  return ary_keys;
}

#keywordify(keywords) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 224

def keywordify(keywords)
  case keywords
  when Enumerable
    keywords
  when String
    keywords.scan(/\S+/)
  else
    raise ArgumentError,
      "Keyword attributes must be passed as either a String or an Enumerable, but received #{keywords.class}"
  end
end

#kwattr_add(attribute_name, keywords) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 191

def kwattr_add(attribute_name, keywords)
  keywords = keywordify(keywords)
  current_kws = kwattr_values(attribute_name)
  new_kws = (current_kws + (keywords - current_kws)).join(" ")
  set_attr(attribute_name, new_kws)
  self
end

#kwattr_append(attribute_name, keywords) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 199

def kwattr_append(attribute_name, keywords)
  keywords = keywordify(keywords)
  current_kws = kwattr_values(attribute_name)
  new_kws = (current_kws + keywords).join(" ")
  set_attr(attribute_name, new_kws)
  self
end

#kwattr_remove(attribute_name, keywords) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 207

def kwattr_remove(attribute_name, keywords)
  if keywords.nil?
    remove_attr(attribute_name)
    return self
  end

  keywords = keywordify(keywords)
  current_kws = kwattr_values(attribute_name)
  new_kws = current_kws - keywords
  if new_kws.empty?
    remove_attr(attribute_name)
  else
    set_attr(attribute_name, new_kws.join(" "))
  end
  self
end

#kwattr_values(attribute_name) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 187

def kwattr_values(attribute_name)
  keywordify(attr(attribute_name) || [])
end

#last_element_child ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 765

static VALUE
nl_node_last_element_child(VALUE self)
{
  lxb_dom_node_t *parent = nl_rb_node_unwrap(self);
  lxb_dom_node_t *cur;

  if (parent == NULL)
  {
    return Qnil;
  }
  switch (parent->type)
  {
  case LXB_DOM_NODE_TYPE_ELEMENT:
  case LXB_DOM_NODE_TYPE_ENTITY:
  case LXB_DOM_NODE_TYPE_DOCUMENT:
    cur = parent->last_child;
    break;
  default:
    return Qnil;
  }
  while (cur != NULL)
  {
    if (cur->type == LXB_DOM_NODE_TYPE_ELEMENT)
    {
      return nl_rb_node_create(cur, nl_rb_document_get(self));
    }
    cur = cur->prev;
  }
  return Qnil;
}

#matches?(selector) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 90

def matches?(selector)
  ancestors.last.css(selector).any? { |node| node == self }
end

#name ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 609

static VALUE
nl_node_name(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  size_t len;
  const lxb_char_t *name = lxb_dom_node_name_qualified(node, &len);
  return rb_utf8_str_new((const char *)name, len);
}

#next ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 528

static VALUE
nl_node_next(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  return node->next ? nl_rb_node_create(node->next, nl_rb_document_get(self)) : Qnil;
}

#next_element ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 535

static VALUE
nl_node_next_element(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  while (node->next != NULL)
  {
    node = node->next;
    if (node->type == LXB_DOM_NODE_TYPE_ELEMENT)
    {
      return nl_rb_node_create(node, nl_rb_document_get(self));
    }
  }
  return Qnil;
}

#node_type ⇒ Object Also known as: type 



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# File 'ext/nokolexbor/nl_node.c', line 728

static VALUE
nl_node_get_type(VALUE self)
{
  return INT2NUM(nl_rb_node_unwrap(self)->type);
}

#outer_html ⇒ Object Also known as: to_html, to_s 



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# File 'ext/nokolexbor/nl_node.c', line 368

static VALUE
nl_node_outer_html(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lexbor_str_t str = {0};
  lxb_status_t status = lxb_html_serialize_tree_str(node, &str);
  if (status != LXB_STATUS_OK)
  {
    if (str.data != NULL)
    {
      lexbor_str_destroy(&str, node->owner_document->text, false);
    }
    nl_raise_lexbor_error(status);
  }

  if (str.data != NULL)
  {
    VALUE ret = rb_utf8_str_new((const char *)str.data, str.length);
    lexbor_str_destroy(&str, node->owner_document->text, false);
    return ret;
  }

  return Qnil;
}

#parent ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 499

static VALUE
nl_node_parent(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  return node->parent ? nl_rb_node_create(node->parent, nl_rb_document_get(self)) : Qnil;
}

#previous ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 506

static VALUE
nl_node_previous(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  return node->prev ? nl_rb_node_create(node->prev, nl_rb_document_get(self)) : Qnil;
}

#previous_element ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 513

static VALUE
nl_node_previous_element(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  while (node->prev != NULL)
  {
    node = node->prev;
    if (node->type == LXB_DOM_NODE_TYPE_ELEMENT)
    {
      return nl_rb_node_create(node, nl_rb_document_get(self));
    }
  }
  return Qnil;
}

#processing_instruction? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 32

def processing_instruction?
  type == PI_NODE
end

#remove ⇒ Object Also known as: unlink 



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# File 'ext/nokolexbor/nl_node.c', line 574

static VALUE
nl_node_remove(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  lxb_dom_node_remove(node);
  return Qnil;
}

#remove_attr(rb_attr) ⇒ Object Also known as: delete 



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# File 'ext/nokolexbor/nl_node.c', line 157

static VALUE
nl_node_remove_attr(VALUE self, VALUE rb_attr)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return Qnil;
  }

  VALUE rb_attr_s = rb_String(rb_attr);

  const char *attr_c = RSTRING_PTR(rb_attr_s);
  size_t attr_len = RSTRING_LEN(rb_attr_s);

  lxb_dom_element_t *element = lxb_dom_interface_element(node);

  return lxb_dom_element_remove_attribute(element, (const lxb_char_t *)attr_c, attr_len) == LXB_STATUS_OK ? Qtrue : Qfalse;
}

#remove_class(names = nil) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 183

def remove_class(names = nil)
  kwattr_remove("class", names)
end

#replace(node) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 103

def replace(node)
  if node.is_a?(NodeSet)
    node.each { |n| add_sibling(:previous, n) }
  else
    add_sibling(:previous, node)
  end
  remove
end

#search(*args) ⇒ Object Also known as: / 



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# File 'lib/nokolexbor/node.rb', line 147

def search(*args)
  paths, handler, ns, binds = extract_params(args)

  if paths.size == 1 && !LOOKS_LIKE_XPATH.match?(paths.first)
    return css(paths.first)
  end

  xpath(*(paths + [ns, handler, binds].compact))
end

#text? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokolexbor/node.rb', line 36

def text?
  type == TEXT_NODE
end

#values ⇒ Object 



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# File 'ext/nokolexbor/nl_node.c', line 437

static VALUE
nl_node_values(VALUE self)
{
  lxb_dom_node_t *node = nl_rb_node_unwrap(self);
  VALUE ary_values = rb_ary_new();

  if (node->type != LXB_DOM_NODE_TYPE_ELEMENT)
  {
    return ary_values;
  }

  lxb_dom_attr_t *attr = lxb_dom_element_first_attribute(lxb_dom_interface_element(node));

  while (attr != NULL)
  {
    size_t tmp_len;
    const lxb_char_t *tmp = lxb_dom_attr_value(attr, &tmp_len);
    if (tmp != NULL)
    {
      rb_ary_push(ary_values, rb_utf8_str_new((const char *)tmp, tmp_len));
    }
    else
    {
      rb_ary_push(ary_values, rb_str_new("", 0));
    }

    attr = lxb_dom_element_next_attribute(attr);
  }

  return ary_values;
}

#wrap(node) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 70

def wrap(node)
  case node
  when String
    new_parent = fragment(node).child
  when Node
    new_parent = node.dup
  else
    raise ArgumentError, "Requires a String or Node argument, and cannot accept a #{node.class}"
  end

  if parent
    add_sibling(:next, new_parent)
  else
    new_parent.remove
  end
  new_parent.add_child(self)

  self
end

#xpath(*args) ⇒ Object 



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# File 'lib/nokolexbor/node.rb', line 137

def xpath(*args)
  paths, handler, ns, binds = extract_params(args)

  xpath_internal(self, paths, handler, ns, binds)
end