Class: Sass::Tree::DirectiveNode

Inherits:
Node show all
Defined in:
lib/sass/tree/directive_node.rb,
lib/sass/css.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; if it’s importing a Sass file, it becomes a FileNode, but if it’s importing a plain CSS file, it becomes a DirectiveNode.

See Also:

Instance Attribute Summary collapse

Attributes inherited from Node

#children, #filename, #line, #options

Instance Method Summary collapse

Methods inherited from Node

#<<, #==, #invisible?, #last, #perform, #render, #style

Constructor Details

#initialize(value) ⇒ DirectiveNode 



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# File 'lib/sass/tree/directive_node.rb', line 21

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

Instance Attribute Details

#value ⇒ String

The text of the directive, ‘@` and all.



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

def value
  @value
end

Instance Method Details

#to_s(tabs) ⇒ String

Computes the CSS for the directive.



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# File 'lib/sass/tree/directive_node.rb', line 30

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

#to_sass(tabs, opts = {}) ⇒ Object

See Also:



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# File 'lib/sass/css.rb', line 46

def to_sass(tabs, opts = {})
  "#{'  ' * tabs}#{value}#{children.map {|c| c.to_sass(tabs + 1, opts)}}\n"
end