Class: RomanticText::Element

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

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(subject = nil, attributes = {}) ⇒ Element

Returns a new instance of Element.



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# File 'lib/romantic_text/element.rb', line 5

def initialize(subject = nil, attributes = {})
  @name = pick_element_name(subject)
  @attributes = pick_id_and_classes(subject)
  merge_attributes!(attributes)
  @children = []
  @parent = nil
end

Instance Attribute Details

#parent ⇒ Object

Returns the value of attribute parent.



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

def parent
  @parent
end

Instance Method Details

#<<(str) ⇒ Object Also known as: text, _ 



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# File 'lib/romantic_text/element.rb', line 22

def <<(str)
  append_child HTMLNode.new(Utils.escape(str))
end

#>(element_or_str) ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 28

def >(element_or_str)
  unless element_or_str.is_a?(Element) || element_or_str.is_a?(HTMLNode)
    element_or_str = HTMLNode.new(element_or_str)
  end
  append_child(element_or_str)
  element_or_str
end

#`(name) ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 14

def `(name)
  Element.new(name).tap { |e| append_child(e) }
end

#append_child(element) ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 54

def append_child(element)
  element.parent&.remove_child(element)
  element.parent = self
  @children.push(element)
end

#dangerous_raw_html(str) ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 36

def dangerous_raw_html(str)
  append_child HTMLNode.new(str.to_s)
end

#h(name, attributes = {}, &block) ⇒ Object 



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

def h(name, attributes = {}, &block)
  public_send(:`, name).render(attributes, &block)
end

#remove_child(element) ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 60

def remove_child(element)
  return unless @children.include?(element)

  element.parent = nil
  @children.delete(element)
end

#render(attributes = {}, &block) ⇒ Object Also known as: [] 



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# File 'lib/romantic_text/element.rb', line 40

def render(attributes = {}, &block)
  merge_attributes!(attributes)
  instance_eval(&block) if block_given?
  self
end

#to_s ⇒ Object 



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# File 'lib/romantic_text/element.rb', line 47

def to_s
  inner = @children.map(&:to_s).join('')
  return inner if @name.nil?

  generate_tag(@name, @attributes, inner)
end