Class: Undies::ElementNode

Inherits:
Object
  • Object
show all
Defined in:
lib/undies/element_node.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(io, element) ⇒ ElementNode

Returns a new instance of ElementNode.



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# File 'lib/undies/element_node.rb', line 17

def initialize(io, element)
  @io = io
  @cached = nil
  @element = element

  @start_tag_written = false
end

Instance Attribute Details

#cached ⇒ Object (readonly)

ElementNode is specifically used to handle nested element markup.



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# File 'lib/undies/element_node.rb', line 15

def cached
  @cached
end

#element ⇒ Object (readonly)

ElementNode is specifically used to handle nested element markup.



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# File 'lib/undies/element_node.rb', line 15

def element
  @element
end

#io ⇒ Object (readonly)

ElementNode is specifically used to handle nested element markup.



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# File 'lib/undies/element_node.rb', line 15

def io
  @io
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/undies/element_node.rb', line 78

def ==(other)
  other.instance_variable_get("@io") == @io &&
  other.instance_variable_get("@element") == @element
end

#attrs(*args) ⇒ Object 



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# File 'lib/undies/element_node.rb', line 25

def attrs(*args)
  @element.__attrs(*args)
end

#element_node(element_node) ⇒ Object 



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# File 'lib/undies/element_node.rb', line 33

def element_node(element_node)
  if !@start_tag_written
    # with newline
    # -1 level offset b/c we are operating on the element build one deep
    write_start_tag(@io.newline, -1)
  end
  write_cached
  @cached = element_node
end

#flush ⇒ Object 



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# File 'lib/undies/element_node.rb', line 47

def flush
  write_cached
  @cached = nil
  self
end

#partial(partial) ⇒ Object 



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# File 'lib/undies/element_node.rb', line 43

def partial(partial)
  element_node(partial)
end

#pop ⇒ Object 



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# File 'lib/undies/element_node.rb', line 58

def pop
  flush
  @io.pop
  write_end_tag
end

#push ⇒ Object 



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# File 'lib/undies/element_node.rb', line 53

def push
  @io.push(@cached)
  @cached = nil
end

#text(raw) ⇒ Object

Raises:



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# File 'lib/undies/element_node.rb', line 29

def text(raw)
  raise ElementAPIError, "can't insert text markup in an element build block - pass in as a content argument instead"
end

#to_s ⇒ Object 



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# File 'lib/undies/element_node.rb', line 64

def to_s
  @io.push(self)

  @element.__build
  flush

  @io.pop
  write_end_tag

  # needed so the `write_cached` calls on ElementNode and RootNode won't add
  # anything else to the IO
  return ""
end

#to_str(*args) ⇒ Object Also known as: inspect

overriding this because the base Node class defines a ‘to_s’ method that needs to be honored



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# File 'lib/undies/element_node.rb', line 85

def to_str(*args)
  "Undies::ElementNode:#{self.object_id} @element=#{@element.inspect}"
end