Module: TextNode

Includes:
BaseNode, NodeProcessing
Included in:
DoubleQuotedTextNode, HerbNodeRetainingTextNode, HerbStringVariable, HerbTextNode, MethodCallNode, PluralizeNode, RailsTextVariableNode
Defined in:
lib/core/text_node.rb

Instance Method Summary collapse

Methods included from NodeProcessing

#flatten

Methods included from BaseNode

#shatter?, #shattered_node_list

Instance Method Details

#amount_of_ending_whitespace ⇒ Object 



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# File 'lib/core/text_node.rb', line 44

def amount_of_ending_whitespace
  self.text_value.length - self.text_value.rstrip.length    
end

#amount_of_starting_whitespace ⇒ Object 



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# File 'lib/core/text_node.rb', line 48

def amount_of_starting_whitespace
  self.text_value.length - self.text_value.lstrip.length    
end

#contains_alpha_characters? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 39

def contains_alpha_characters?
  !self.text_value[/[a-zA-Z]/].nil?
end

#extract_text(text_extractor, node_tree) ⇒ Object 



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# File 'lib/core/text_node.rb', line 5

def extract_text( text_extractor, node_tree )
  if( self.strip_whitespace? && self.has_leading_or_trailing_whitespace? )
    self.remove_leading_and_trailing_whitespace.each do |node|
      node.extract_text( text_extractor, node_tree )
    end
  else
    text_extractor.add_html_text( self )
  end
end

#has_leading_or_trailing_whitespace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 52

def has_leading_or_trailing_whitespace?
  amount_of_ending_whitespace > 0 || amount_of_starting_whitespace > 0
end

#has_variables? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 15

def has_variables?
  false
end

#html? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 19

def html?
  true
end

#remove_leading_and_trailing_whitespace ⇒ Object

This probably won’t work, because I want it to retain all of the nodes. Maybe we should run this after the text extraction happens? Nope, that won’t work.…



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# File 'lib/core/text_node.rb', line 59

def remove_leading_and_trailing_whitespace
  to_return = []
  if( self.text_value.strip.empty? ) # is this only whitespace
    to_return << HerbWhiteSpaceTextNode.new( self.text_value )
  else # otherwise it has some text
    if( amount_of_starting_whitespace > 0 )
      to_return << HerbWhiteSpaceTextNode.new( self.text_value[0..(amount_of_starting_whitespace - 1 )] )
    end
    to_return << HerbTextNode.new( self.text_value.strip )
    if( amount_of_ending_whitespace > 0 )
      to_return << HerbWhiteSpaceTextNode.new( self.text_value[(self.text_value.length - amount_of_ending_whitespace)..self.text_value.length ])
    end
  end

  to_return
end

#strip_whitespace? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 23

def strip_whitespace?
  true
end

#text? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 27

def text?
  true
end

#top_level? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 31

def top_level?
  true
end

#white_space? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/core/text_node.rb', line 35

def white_space?
  false
end