Class: Sass::Tree::DirectiveNode

Inherits:
Node
  • Object
show all
Defined in:
lib/sass/tree/directive_node.rb

Overview

A static node representing an unproccessed Sass @-directive. Directives known to Sass, like @for and @debug, are handled by their own nodes; only CSS directives like @media and @font-face become DirectiveNodes.

@import is a bit of a weird case; it becomes an ImportNode.

See Also:

Instance Attribute Summary collapse

Attributes inherited from Node

#children, #filename, #has_children, #line, #options

Instance Method Summary collapse

Methods inherited from Node

#<<, #==, #_cssize, #_perform, #balance, #check_child!, #children_to_src, #cssize, #cssize!, #dasherize, #do_extend, #each, #invalid_child?, #invisible?, #perform, #perform!, #perform_children, #render, #run_interp, #semi, #style, #to_s, #to_sass, #to_scss

Constructor Details

#initialize(value) ⇒ DirectiveNode

Returns a new instance of DirectiveNode.

Parameters:

  • value (String) —

    See #value



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# File 'lib/sass/tree/directive_node.rb', line 18

def initialize(value)
  @value = value
  super()
end

Instance Attribute Details

#value ⇒ String

The text of the directive, @ and all.

Returns:

  • (String) 


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# File 'lib/sass/tree/directive_node.rb', line 15

def value
  @value
end

Instance Method Details

#_to_s(tabs) ⇒ String (protected)

Computes the CSS for the directive.

Parameters:

  • tabs (Fixnum) —

    The level of indentation for the CSS

Returns:

  • (String) —

    The resulting CSS



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# File 'lib/sass/tree/directive_node.rb', line 36

def _to_s(tabs)
  return value + ";" unless has_children
  return value + " {}" if children.empty?
  result = if style == :compressed
             "#{value}{"
           else
             "#{'  ' * (tabs - 1)}#{value} {" + (style == :compact ? ' ' : "\n")
           end
  was_prop = false
  first = true
  children.each do |child|
    next if child.invisible?
    if style == :compact
      if child.is_a?(PropNode)
        result << "#{child.to_s(first || was_prop ? 1 : tabs + 1)} "
      else
        if was_prop
          result[-1] = "\n"
        end
        rendered = child.to_s(tabs + 1).dup
        rendered = rendered.lstrip if first
        result << rendered.rstrip + "\n"
      end
      was_prop = child.is_a?(PropNode)
      first = false
    elsif style == :compressed
      result << (was_prop ? ";#{child.to_s(1)}" : child.to_s(1))
      was_prop = child.is_a?(PropNode)
    else
      result << child.to_s(tabs + 1) + "\n"
    end
  end
  result.rstrip + if style == :compressed
                    "}"
                  else
                    (style == :expanded ? "\n" : " ") + "}\n"
                  end
end

#to_src(tabs, opts, fmt) (protected)

See Also:



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# File 'lib/sass/tree/directive_node.rb', line 26

def to_src(tabs, opts, fmt)
  res = "#{'  ' * tabs}#{value}"
  return res + "#{semi fmt}\n" if children.empty?
  res + children_to_src(tabs, opts, fmt) + "\n"
end