Class: Html::Merge::NodeWrapper

Inherits:
Object
  • Object
show all
Defined in:
lib/html/merge/node_wrapper.rb,
sig/html/merge.rbs

Overview

Parser-derived identity, attributes, semantics, and source range for an HTML element.

Constant Summary collapse

ELEMENT_TYPES =

Returns:

  • (Array[String]) 
%w[element script_element style_element].freeze

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(node, source:, parent: nil) ⇒ NodeWrapper

Returns a new instance of NodeWrapper.

Parameters:

  • node (Object)
  • source: (String)
  • parent: (NodeWrapper, nil) (defaults to: nil) 


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# File 'lib/html/merge/node_wrapper.rb', line 11

def initialize(node, source:, parent: nil)
  @node = node
  @source = source
  @parent = parent
end

Instance Attribute Details

#node ⇒ Object (readonly)

Returns the value of attribute node.

Returns:

  • (Object) 


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# File 'lib/html/merge/node_wrapper.rb', line 9

def node
  @node
end

#parent ⇒ NodeWrapper? (readonly)

Returns the value of attribute parent.

Returns:



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# File 'lib/html/merge/node_wrapper.rb', line 9

def parent
  @parent
end

#source ⇒ String (readonly)

Returns the value of attribute source.

Returns:

  • (String) 


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# File 'lib/html/merge/node_wrapper.rb', line 9

def source
  @source
end

Instance Method Details

#attributes ⇒ Hash[String, String | true]

Returns:

  • (Hash[String, String | true]) 


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# File 'lib/html/merge/node_wrapper.rb', line 31

def attributes
  return {} unless start_node

  start_node.children.select { |child| child.type == "attribute" }.to_h do |attribute|
    attribute_pair(attribute)
  end.freeze
end

#element? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html/merge/node_wrapper.rb', line 17

def element? = ELEMENT_TYPES.include?(node.type)

#end_byte ⇒ Integer

Returns:

  • (Integer) 


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# File 'lib/html/merge/node_wrapper.rb', line 20

def end_byte
  return start_node.end_byte if !explicit_end_tag? && start_node

  node.end_byte
end

#explicit_end_tag? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html/merge/node_wrapper.rb', line 28

def explicit_end_tag? = node.children.any? { |child| child.type == "end_tag" }

#explicit_id ⇒ String, ...

Returns:

  • (String, true, nil) 


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# File 'lib/html/merge/node_wrapper.rb', line 39

def explicit_id = attributes["id"]

#self_closing? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/html/merge/node_wrapper.rb', line 29

def self_closing? = start_node&.type == "self_closing_tag"

#semantic_tree ⇒ Object

Returns:

  • (Object) 


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# File 'lib/html/merge/node_wrapper.rb', line 41

def semantic_tree
  semantic_node(node)
end

#source_text ⇒ String

Returns:

  • (String) 


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# File 'lib/html/merge/node_wrapper.rb', line 26

def source_text = source.byteslice(start_byte...end_byte).to_s

#start_byte ⇒ Integer

Returns:

  • (Integer) 


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# File 'lib/html/merge/node_wrapper.rb', line 18

def start_byte = node.start_byte

#tag_name ⇒ String?

Returns:

  • (String, nil) 


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# File 'lib/html/merge/node_wrapper.rb', line 27

def tag_name = node_text(first_descendant(start_node, "tag_name"))&.downcase