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# frozen_string_literal: true
module SassC::Script::ValueConversion
def self.from_native(native_value, options)
case value_tag = SassC::Native.value_get_tag(native_value)
when :sass_null
# no-op
when :sass_string
value = SassC::Native.string_get_value(native_value)
type = SassC::Native.string_get_type(native_value)
argument = SassC::Script::Value::String.new(value, type)
argument
when :sass_boolean
value = SassC::Native.boolean_get_value(native_value)
argument = SassC::Script::Value::Bool.new(value)
argument
when :sass_number
value = SassC::Native.number_get_value(native_value)
unit = SassC::Native.number_get_unit(native_value)
argument = SassC::Script::Value::Number.new(value, unit)
argument
when :sass_color
red, green, blue, alpha = SassC::Native.color_get_r(native_value), SassC::Native.color_get_g(native_value), SassC::Native.color_get_b(native_value), SassC::Native.color_get_a(native_value)
argument = SassC::Script::Value::Color.new(red:red, green:green, blue:blue, alpha:alpha)
argument.options = options
argument
when :sass_map
values = {}
length = SassC::Native::map_get_length native_value
(0..length-1).each do |index|
key = SassC::Native::map_get_key(native_value, index)
value = SassC::Native::map_get_value(native_value, index)
values[from_native(key, options)] = from_native(value, options)
end
argument = SassC::Script::Value::Map.new values
argument
when :sass_list
length = SassC::Native::list_get_length(native_value)
items = (0...length).map do |index|
native_item = SassC::Native::list_get_value(native_value, index)
from_native(native_item, options)
end
SassC::Script::Value::List.new(items, separator: :space)
else
raise UnsupportedValue.new("Sass argument of type #{value_tag} unsupported")
end
end
def self.to_native(value)
case value_name = value.class.name.split("::").last
when "String"
SassC::Script::ValueConversion::String.new(value).to_native
when "Color"
SassC::Script::ValueConversion::Color.new(value).to_native
when "Number"
SassC::Script::ValueConversion::Number.new(value).to_native
when "Map"
SassC::Script::ValueConversion::Map.new(value).to_native
when "List"
SassC::Script::ValueConversion::List.new(value).to_native
when "Bool"
SassC::Script::ValueConversion::Bool.new(value).to_native
else
raise SassC::UnsupportedValue.new("Sass return type #{value_name} unsupported")
end
end
end
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