Class: Less::Node::Function

Inherits:
String show all
Includes:
Functions, Entity
Defined in:
lib/less/engine/nodes/function.rb

Overview

A CSS function, like rgb() or url()

it calls functions from the Functions module

Instance Attribute Summary

Attributes included from Entity

#parent

Instance Method Summary collapse

Methods included from Functions

available, #hsl, #hsla, #rgb, #rgba

Methods included from Entity

#inspect, #path, #root, #to_s

Methods inherited from String

#blank?, #column_of, #indent, #line_of, #tabto, #treetop_camelize

Constructor Details

#initialize(name, *args) ⇒ Function

Returns a new instance of Function.



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# File 'lib/less/engine/nodes/function.rb', line 55

def initialize name, *args
  @args = args.flatten
  super name
end

Instance Method Details

#evaluate ⇒ Object

Call the function

If the function isn’t found, we just print it out, this is the case for url(), for example,



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# File 'lib/less/engine/nodes/function.rb', line 70

def evaluate
  if Functions.available.include? self.to_sym
    send to_sym, *@args
  else
    Node::Anonymous.new("#{to_sym}(#{@args.map(&:to_css) * ', '})")
  end
end

#to_css ⇒ Object 



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# File 'lib/less/engine/nodes/function.rb', line 60

def to_css
  self.evaluate.to_css
end