Module: Sass::Script::Functions

Defined in:
lib/sass_extensions.rb

Constant Summary collapse

COMMA_SEPARATOR = 
/\s*,\s*/

Instance Method Summary collapse

Instance Method Details

#enumerate(prefix, from, through) ⇒ Object 



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# File 'lib/sass_extensions.rb', line 15

def enumerate(prefix, from, through)
  selectors = (from.value..through.value).map{|i| "#{prefix.value}-#{i}"}.join(", ")
  Sass::Script::String.new(selectors)
end

#image_url(path) ⇒ Object 



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# File 'lib/sass_extensions.rb', line 20

def image_url(path)
  if absolute_path?(path.value)
    return Sass::Script::String.new("url(#{path})")
  end
  http_images_path = if Compass.configuration.http_images_path == :relative
    if (target_css_file = options[:css_filename])
      images_path = File.join(Compass.configuration.project_path, Compass.configuration.images_dir)
      Pathname.new(images_path).relative_path_from(Pathname.new(File.dirname(target_css_file))).to_s
    else
      nil
    end
  else
    Compass.configuration.http_images_path
  end
  if http_images_path
    http_images_path = "#{http_images_path}/" unless http_images_path[-1..-1] == "/"
    path = "#{http_images_path}#{path}"
  end
  Sass::Script::String.new("url(#{path})")
end

#nest(*arguments) ⇒ Object 



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# File 'lib/sass_extensions.rb', line 6

def nest(*arguments)
  nested = arguments.map{|a| a.value}.inject do |memo,arg|
    ancestors = memo.split(COMMA_SEPARATOR)
    descendants = arg.split(COMMA_SEPARATOR)
    ancestors.map{|a| descendants.map{|d| "#{a} #{d}"}.join(", ")}.join(", ")
  end
  Sass::Script::String.new(nested)
end