Class: Nokogiri::XML::DTD

Inherits:
Node
  • Object
show all
Defined in:
lib/nokogiri/xml/dtd.rb,
ext/nokogiri/xml_dtd.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 ClassResolver

ClassResolver::VALID_NAMESPACES

Constants included from Searchable

Searchable::LOOKS_LIKE_XPATH

Instance Method Summary collapse

Methods inherited from Node

#<<, #<=>, #==, #[], #[]=, #accept, #add_child, #add_class, #add_namespace_definition, #add_next_sibling, #add_previous_sibling, #after, #ancestors, #append_class, #attribute, #attribute_nodes, #attribute_with_ns, #before, #blank?, #canonicalize, #cdata?, #child, #children, #children=, #classes, #comment?, #content, #content=, #create_external_subset, #create_internal_subset, #css_path, #decorate!, #default_namespace=, #description, #do_xinclude, #document, #document?, #dup, #element?, #element_children, #encode_special_chars, #external_subset, #first_element_child, #fragment, #fragment?, #html?, #initialize, #inner_html, #inner_html=, #internal_subset, #key?, #kwattr_add, #kwattr_append, #kwattr_remove, #kwattr_values, #lang, #lang=, #last_element_child, #line, #line=, #matches?, #namespace, #namespace=, #namespace_definitions, #namespace_scopes, #namespaced_key?, #namespaces, #native_content=, new, #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, #remove_class, #replace, #serialize, #swap, #text?, #to_html, #to_s, #to_xhtml, #to_xml, #traverse, #unlink, #value?, #values, #wrap, #write_html_to, #write_to, #write_xhtml_to, #write_xml_to, #xml?

Methods included from ClassResolver

#related_class

Methods included from Searchable

#>, #at, #at_css, #at_xpath, #css, #search, #xpath

Methods included from PP::Node

#inspect, #pretty_print

Methods included from HTML5::Node

#fragment, #inner_html, #write_to

Constructor Details

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

Instance Method Details

#attributes ⇒ Object

Get a hash of the attributes for this DTD.



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# File 'ext/nokogiri/xml_dtd.c', line 87

static VALUE
attributes(VALUE self)
{
  xmlDtdPtr dtd;
  VALUE hash;

  Noko_Node_Get_Struct(self, xmlDtd, dtd);

  hash = rb_hash_new();

  if (!dtd->attributes) { return hash; }

  xmlHashScan((xmlHashTablePtr)dtd->attributes, element_copier, (void *)hash);

  return hash;
}

#each ⇒ Object 



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# File 'lib/nokogiri/xml/dtd.rb', line 17

def each
  attributes.each do |key, value|
    yield([key, value])
  end
end

#elements ⇒ Object

Get a hash of the elements for this DTD.



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# File 'ext/nokogiri/xml_dtd.c', line 110

static VALUE
elements(VALUE self)
{
  xmlDtdPtr dtd;
  VALUE hash;

  Noko_Node_Get_Struct(self, xmlDtd, dtd);

  if (!dtd->elements) { return Qnil; }

  hash = rb_hash_new();

  xmlHashScan((xmlHashTablePtr)dtd->elements, element_copier, (void *)hash);

  return hash;
}

#entities ⇒ Object

Get a hash of the elements for this DTD.



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# File 'ext/nokogiri/xml_dtd.c', line 41

static VALUE
entities(VALUE self)
{
  xmlDtdPtr dtd;
  VALUE hash;

  Noko_Node_Get_Struct(self, xmlDtd, dtd);

  if (!dtd->entities) { return Qnil; }

  hash = rb_hash_new();

  xmlHashScan((xmlHashTablePtr)dtd->entities, element_copier, (void *)hash);

  return hash;
}

#external_id ⇒ Object

Get the external identifier for PUBLIC



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# File 'ext/nokogiri/xml_entity_decl.c', line 60

static VALUE
external_id(VALUE self)
{
  xmlEntityPtr node;
  Noko_Node_Get_Struct(self, xmlEntity, node);

  if (!node->ExternalID) { return Qnil; }

  return NOKOGIRI_STR_NEW2(node->ExternalID);
}

#html5_dtd? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokogiri/xml/dtd.rb', line 27

def html5_dtd?
  html_dtd? &&
    external_id.nil? &&
    (system_id.nil? || system_id == "about:legacy-compat")
end

#html_dtd? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/nokogiri/xml/dtd.rb', line 23

def html_dtd?
  name.casecmp("html").zero?
end

#keys ⇒ Object 



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# File 'lib/nokogiri/xml/dtd.rb', line 13

def keys
  attributes.keys
end

#notations ⇒ Object

Returns

All the notations for this DTD in a Hash of Notation name to Notation.



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# File 'ext/nokogiri/xml_dtd.c', line 64

static VALUE
notations(VALUE self)
{
  xmlDtdPtr dtd;
  VALUE hash;

  Noko_Node_Get_Struct(self, xmlDtd, dtd);

  if (!dtd->notations) { return Qnil; }

  hash = rb_hash_new();

  xmlHashScan((xmlHashTablePtr)dtd->notations, notation_copier, (void *)hash);

  return hash;
}

#system_id ⇒ Object

Get the URI for a SYSTEM or PUBLIC Entity



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# File 'ext/nokogiri/xml_entity_decl.c', line 77

static VALUE
system_id(VALUE self)
{
  xmlEntityPtr node;
  Noko_Node_Get_Struct(self, xmlEntity, node);

  if (!node->SystemID) { return Qnil; }

  return NOKOGIRI_STR_NEW2(node->SystemID);
}

#validate(document) ⇒ Object

Validate document returning a list of errors



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# File 'ext/nokogiri/xml_dtd.c', line 133

static VALUE
validate(VALUE self, VALUE document)
{
  xmlDocPtr doc;
  xmlDtdPtr dtd;
  xmlValidCtxtPtr ctxt;
  VALUE error_list;

  Noko_Node_Get_Struct(self, xmlDtd, dtd);
  Noko_Node_Get_Struct(document, xmlDoc, doc);
  error_list = rb_ary_new();

  ctxt = xmlNewValidCtxt();

  xmlSetStructuredErrorFunc((void *)error_list, Nokogiri_error_array_pusher);

  xmlValidateDtd(ctxt, doc, dtd);

  xmlSetStructuredErrorFunc(NULL, NULL);

  xmlFreeValidCtxt(ctxt);

  return error_list;
}