public static void SetFileManager(IFileManager fileManager) { if (fileManager != null) { if (RuntimeInformation.IsOSPlatform(OSPlatform.Windows)) { _getCurrentDirectoryDelegateUtf16 = fileManager.GetCurrentDirectory; _fileExistsDelegateUtf16 = fileManager.FileExists; _isAbsolutePathDelegateUtf16 = fileManager.IsAbsolutePath; _toAbsolutePathDelegateUtf16 = fileManager.ToAbsolutePath; _readFileDelegateUtf16 = fileManager.ReadFile; Sass_Api.sass_file_manager_set_get_current_directory_delegate_utf16(_getCurrentDirectoryDelegateUtf16); Sass_Api.sass_file_manager_set_file_exists_delegate_utf16(_fileExistsDelegateUtf16); Sass_Api.sass_file_manager_set_is_absolute_path_delegate_utf16(_isAbsolutePathDelegateUtf16); Sass_Api.sass_file_manager_set_to_absolute_path_delegate_utf16(_toAbsolutePathDelegateUtf16); Sass_Api.sass_file_manager_set_read_file_delegate_utf16(_readFileDelegateUtf16); } else { _getCurrentDirectoryDelegateUtf8 = fileManager.GetCurrentDirectory; _fileExistsDelegateUtf8 = fileManager.FileExists; _isAbsolutePathDelegateUtf8 = fileManager.IsAbsolutePath; _toAbsolutePathDelegateUtf8 = fileManager.ToAbsolutePath; _readFileDelegateUtf8 = fileManager.ReadFile; Sass_Api.sass_file_manager_set_get_current_directory_delegate_utf8(_getCurrentDirectoryDelegateUtf8); Sass_Api.sass_file_manager_set_file_exists_delegate_utf8(_fileExistsDelegateUtf8); Sass_Api.sass_file_manager_set_is_absolute_path_delegate_utf8(_isAbsolutePathDelegateUtf8); Sass_Api.sass_file_manager_set_to_absolute_path_delegate_utf8(_toAbsolutePathDelegateUtf8); Sass_Api.sass_file_manager_set_read_file_delegate_utf8(_readFileDelegateUtf8); } Sass_Api.sass_file_manager_set_supports_conversion_to_absolute_path( fileManager.SupportsConversionToAbsolutePath); Sass_Api.sass_file_manager_set_is_initialized(true); } else { UnsetFileManager(); } }