Class: Moxml::Element

Inherits:
Node
  • Object
show all
Defined in:
lib/moxml/element.rb

Constant Summary

Constants inherited from Node

Node::TYPES

Instance Attribute Summary

Attributes inherited from Node

#context, #native, #parent_node

Instance Method Summary collapse

Methods inherited from Node

#==, adapter, #add_child, #add_next_sibling, #add_previous_sibling, #at_xpath, #children, #clone, #document, #each_node, #find, #first_child, #has_children?, #initialize, #last_child, #next_sibling, #parent, #previous_sibling, #refresh_native!, #remove, #replace, #to_xml, wrap, #xpath

Methods included from XmlUtils

#encode_entities, #normalize_xml_value, #validate_comment_content, #validate_declaration_encoding, #validate_declaration_standalone, #validate_declaration_version, #validate_element_name, #validate_entity_reference_name, #validate_pi_target, #validate_prefix, #validate_uri

Constructor Details

This class inherits a constructor from Moxml::Node

Instance Method Details

#[](name) ⇒ Object 



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# File 'lib/moxml/element.rb', line 48

def [](name)
  adapter.get_attribute_value(@native, name)
end

#[]=(name, value) ⇒ Object 



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# File 'lib/moxml/element.rb', line 43

def []=(name, value)
  adapter.set_attribute(@native, name, normalize_xml_value(value))
  @attributes = nil
end

#add_namespace(prefix, uri) ⇒ Object Also known as: add_namespace_definition 



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# File 'lib/moxml/element.rb', line 81

def add_namespace(prefix, uri)
  adapter.create_namespace(@native, prefix, uri,
                           namespace_validation_mode: context.config.namespace_validation_mode)
  @namespaces = nil
  self
rescue ValidationError => e
  # Re-raise as NamespaceError, provide attributes for error context
  # but the to_s will only add details if provided
  raise Moxml::NamespaceError.new(
    e.message,
    prefix: prefix,
    uri: uri,
    element: self,
  )
end

#attribute(name) ⇒ Object 



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# File 'lib/moxml/element.rb', line 52

def attribute(name)
  native_attr = adapter.get_attribute(@native, name)
  native_attr && Attribute.new(native_attr, context)
end

#attributes ⇒ Object 



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# File 'lib/moxml/element.rb', line 67

def attributes
  @attributes ||= adapter.attributes(@native).map do |attr|
    a = Attribute.new(attr, context)
    a.parent_node = self
    a
  end
end

#expanded_name ⇒ Object

Returns the expanded name including namespace prefix



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# File 'lib/moxml/element.rb', line 23

def expanded_name
  if namespace_prefix && !namespace_prefix.empty?
    "#{namespace_prefix}:#{name}"
  else
    name
  end
end

#find_all(xpath) ⇒ Object 



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# File 'lib/moxml/element.rb', line 195

def find_all(xpath)
  xpath(xpath).to_a
end

#find_element(xpath) ⇒ Object

Convenience find methods



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# File 'lib/moxml/element.rb', line 191

def find_element(xpath)
  at_xpath(xpath)
end

#get(attr_name) ⇒ Object

Alias for getting attribute value (used by XPath engine)



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# File 'lib/moxml/element.rb', line 58

def get(attr_name)
  attribute(attr_name)
end

#identifier ⇒ String

Returns the primary identifier for this element (its tag name)

Returns:

  • (String) —

    the element name



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# File 'lib/moxml/element.rb', line 18

def identifier
  name
end

#in_scope_namespaces ⇒ Object

Returns all namespaces in scope for this element, including those inherited from ancestor elements.



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# File 'lib/moxml/element.rb', line 128

def in_scope_namespaces
  adapter.in_scope_namespaces(@native).map do |ns|
    Namespace.new(ns, context)
  end
end

#inner_text ⇒ Object 



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# File 'lib/moxml/element.rb', line 148

def inner_text
  adapter.inner_text(@native)
end

#inner_xml ⇒ Object 



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# File 'lib/moxml/element.rb', line 152

def inner_xml
  adapter.inner_xml(@native)
end

#inner_xml=(xml) ⇒ Object 



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# File 'lib/moxml/element.rb', line 156

def inner_xml=(xml)
  doc = context.parse("<root>#{xml}</root>")
  adapter.replace_children(@native, doc.root.children.map(&:native))
  invalidate_children_cache!
end

#invalidate_attribute_cache! ⇒ Object

Called by Attribute#remove to invalidate the cached attributes



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# File 'lib/moxml/element.rb', line 205

def invalidate_attribute_cache!
  @attributes = nil
end

#name ⇒ Object 



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# File 'lib/moxml/element.rb', line 8

def name
  adapter.node_name(@native)
end

#name=(value) ⇒ Object 



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# File 'lib/moxml/element.rb', line 12

def name=(value)
  adapter.set_node_name(@native, value)
end

#namespace ⇒ Object

it’s NOT the same as namespaces.first



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# File 'lib/moxml/element.rb', line 99

def namespace
  ns = adapter.namespace(@native)
  ns && Namespace.new(ns, context)
end

#namespace=(ns_or_hash) ⇒ Object

add the prefix to the element name and add the namespace to the list of namespace definitions



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# File 'lib/moxml/element.rb', line 106

def namespace=(ns_or_hash)
  if ns_or_hash.is_a?(Hash)
    adapter.set_namespace(
      @native,
      adapter.create_namespace(@native, *ns_or_hash.to_a.first,
                               namespace_validation_mode: context.config.namespace_validation_mode),
    )
  else
    adapter.set_namespace(@native, ns_or_hash&.native)
  end
  @namespaces = nil
end

#namespace_name ⇒ Object

Returns the namespace URI of this element (alias for namespace_uri)



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# File 'lib/moxml/element.rb', line 135

def namespace_name
  namespace_uri
end

#namespace_prefix ⇒ Object

Returns the namespace prefix of this element



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# File 'lib/moxml/element.rb', line 32

def namespace_prefix
  ns = namespace
  ns&.prefix
end

#namespace_uri ⇒ Object

Returns the namespace URI of this element



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# File 'lib/moxml/element.rb', line 38

def namespace_uri
  ns = namespace
  ns&.uri
end

#namespaces ⇒ Object Also known as: namespace_definitions 



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# File 'lib/moxml/element.rb', line 119

def namespaces
  @namespaces ||= adapter.namespace_definitions(@native).map do |ns|
    Namespace.new(ns, context)
  end
end

#nodes ⇒ Object

Alias for children (used by XPath engine)



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# File 'lib/moxml/element.rb', line 200

def nodes
  children
end

#remove_attribute(name) ⇒ Object 



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# File 'lib/moxml/element.rb', line 75

def remove_attribute(name)
  adapter.remove_attribute(@native, name)
  @attributes = nil
  self
end

#set_attributes(attributes_hash) ⇒ Object

Bulk attribute setting



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# File 'lib/moxml/element.rb', line 179

def set_attributes(attributes_hash)
  attributes_hash.each { |name, value| self[name] = value }
  self
end

#text ⇒ Object 



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# File 'lib/moxml/element.rb', line 139

def text
  adapter.text_content(@native)
end

#text=(content) ⇒ Object 



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# File 'lib/moxml/element.rb', line 143

def text=(content)
  adapter.set_text_content(@native, normalize_xml_value(content))
  invalidate_children_cache!
end

#with_attribute(name, value) ⇒ Object

Fluent interface methods



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# File 'lib/moxml/element.rb', line 163

def with_attribute(name, value)
  self[name] = value
  self
end

#with_child(child) ⇒ Object

Chainable child addition



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# File 'lib/moxml/element.rb', line 185

def with_child(child)
  add_child(child)
  self
end

#with_namespace(prefix, uri) ⇒ Object 



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# File 'lib/moxml/element.rb', line 168

def with_namespace(prefix, uri)
  add_namespace(prefix, uri)
  self
end

#with_text(content) ⇒ Object 



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# File 'lib/moxml/element.rb', line 173

def with_text(content)
  self.text = content
  self
end