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# frozen_string_literal: true
module SassC
class ImportHandler
def initialize(options)
@importer = if options[:importer]
options[:importer].new(options)
else
nil
end
end
def setup(native_options)
return unless @importer
importer_callback = Native.make_importer(import_function, nil)
list = Native.make_function_list(1)
Native::function_set_list_entry(list, 0, importer_callback)
Native.option_set_c_importers(native_options, list)
end
private
def import_function
@import_function ||= FFI::Function.new(:pointer, [:string, :pointer, :pointer]) do |path, importer_entry, compiler|
last_import = Native::compiler_get_last_import(compiler)
parent_path = Native::import_get_abs_path(last_import)
imports = [*@importer.imports(path, parent_path)]
imports_to_native(imports)
end
end
def imports_to_native(imports)
import_list = Native.make_import_list(imports.size)
imports.each_with_index do |import, i|
source = import.source ? Native.native_string(import.source) : nil
source_map_path = nil
entry = Native.make_import_entry(import.path, source, source_map_path)
Native.import_set_list_entry(import_list, i, entry)
end
import_list
end
end
end
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