Class: Sass::Environment

Inherits:
Object show all
Defined in:
lib/sass/environment.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(parent = nil, options = nil) ⇒ Environment

Returns a new instance of Environment.



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# File 'lib/sass/environment.rb', line 5

def initialize(parent = nil, options = nil)
  @vars = {}
  @mixins = {}
  @parent = parent
  @options = options
end

Instance Attribute Details

#parent ⇒ Object (readonly)

Returns the value of attribute parent.



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# File 'lib/sass/environment.rb', line 3

def parent
  @parent
end

Class Method Details

.inherited_hash(name) ⇒ Object 



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# File 'lib/sass/environment.rb', line 16

def self.inherited_hash(name)
  class_eval <<RUBY, __FILE__, __LINE__ + 1
    def #{name}(name)
      @#{name}s[name] || @parent && @parent.#{name}(name)
    end

    def set_#{name}(name, value)
      @#{name}s[name] = value unless try_set_#{name}(name, value)
    end

    def try_set_#{name}(name, value)
      if @#{name}s.include?(name)
        @#{name}s[name] = value
        true
      elsif @parent
        @parent.try_set_#{name}(name, value)
      else
        false
      end
    end
    protected :try_set_#{name}

    def set_local_#{name}(name, value)
      @#{name}s[name] = value
    end
RUBY
end

Instance Method Details

#options ⇒ Object 



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# File 'lib/sass/environment.rb', line 12

def options
  @options || (parent && parent.options) || {}
end