Microsoft.VisualStudio.R.Package.DataInspect.DataImport.ImportDataWindow.BuildCommandLine C# (CSharp) 메소드

        private string BuildCommandLine(bool preview) {
            if (string.IsNullOrEmpty(_utf8FilePath)) {
                return null;
            }

            var encoding = GetSelectedString(EncodingComboBox);
            var input = new Dictionary<string, string> {
                ["file"] = _utf8FilePath.ToRPath().ToRStringLiteral(),
                ["header"] = (HeaderCheckBox.IsChecked != null && HeaderCheckBox.IsChecked.Value).ToString().ToUpperInvariant(),
                ["row.names"] = GetSelectedNullableIntValueAsString(RowNamesComboBox),
                ["encoding"] = "UTF-8".ToRStringLiteral(),
                ["sep"] = GetSelectedValue(SeparatorComboBox),
                ["dec"] = GetSelectedValue(DecimalComboBox),
                ["quote"] = GetSelectedValue(QuoteComboBox),
                ["comment.char"] = GetSelectedValue(CommentComboBox),
                ["na.strings"] = string.IsNullOrEmpty(NaStringTextBox.Text) ? null : NaStringTextBox.Text.ToRStringLiteral()
            };

            var inputString = string.Join(", ", input
                .Where(kvp => kvp.Value != null)
                .Select(kvp => Invariant($"{kvp.Key}={kvp.Value}")));

            return preview
                ? Invariant($"read.csv({inputString}, nrows=20)")
                : Invariant($"`{VariableNameBox.Text}` <- read.csv({inputString})");
        }