Module: SassC::Script::ValueConversion

Defined in:
lib/sassc/script/value_conversion.rb,
lib/sassc/script/value_conversion/map.rb,
lib/sassc/script/value_conversion/base.rb,
lib/sassc/script/value_conversion/bool.rb,
lib/sassc/script/value_conversion/list.rb,
lib/sassc/script/value_conversion/color.rb,
lib/sassc/script/value_conversion/number.rb,
lib/sassc/script/value_conversion/string.rb

Defined Under Namespace

Classes: Base, Bool, Color, List, Map, Number, String

Constant Summary collapse

SEPARATORS = 
{
  space: :sass_space,
  comma: :sass_comma
}

Class Method Summary collapse

Class Method Details

.from_native(native_value, options) ⇒ Object 



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# File 'lib/sassc/script/value_conversion.rb', line 4

def self.from_native(native_value, options)
  case value_tag = Native.value_get_tag(native_value)
  when :sass_null
    # no-op
  when :sass_string
    value = Native.string_get_value(native_value)
    type = Native.string_get_type(native_value)
    argument = Script::String.new(value, type)

    argument
  when :sass_boolean
    value = Native.boolean_get_value(native_value)
    argument = Script::Bool.new(value)
    
    argument
  when :sass_number
    value = Native.number_get_value(native_value)
    unit = Native.number_get_unit(native_value)
    argument = Sass::Script::Value::Number.new(value, unit)

    argument
  when :sass_color
    red, green, blue, alpha = Native.color_get_r(native_value), Native.color_get_g(native_value), Native.color_get_b(native_value), Native.color_get_a(native_value)

    argument = Script::Color.new([red, green, blue, alpha])
    argument.options = options

    argument
  when :sass_map
    values = {}
    length = Native::map_get_length native_value

    (0..length-1).each do |index|
      key = Native::map_get_key(native_value, index)
      value = Native::map_get_value(native_value, index)
      values[from_native(key, options)] = from_native(value, options)
    end

    argument = Sass::Script::Value::Map.new values
    argument
  when :sass_list
    length = Native::list_get_length(native_value)
    items = (0...length).map do |index|
      native_item = Native::list_get_value(native_value, index)
      from_native(native_item, options)
    end

    if Gem.loaded_specs['sass'].version < Gem::Version.create('3.5')
      Sass::Script::Value::List.new(items, :space)
    else
      Sass::Script::Value::List.new(items, separator: :space)
    end
  else
    raise UnsupportedValue.new("Sass argument of type #{value_tag} unsupported")
  end
end

.to_native(value) ⇒ Object 



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# File 'lib/sassc/script/value_conversion.rb', line 61

def self.to_native(value)
  case value_name = value.class.name.split("::").last
  when "String"
    String.new(value).to_native
  when "Color"
    Color.new(value).to_native
  when "Number"
    Number.new(value).to_native
  when "Map"
    Map.new(value).to_native
  when "List"
    List.new(value).to_native
  when "Bool"
    Bool.new(value).to_native
  else
    raise UnsupportedValue.new("Sass return type #{value_name} unsupported")
  end
end