AcTools.Utils.Helpers.ProcessExtension.GetQuotedArgument C# (CSharp) Метод

        private static string GetQuotedArgument(string argument) {
            // The argument is processed in reverse character order.
            // Any quotes (except the outer quotes) are escaped with backslash.
            // Any sequences of backslashes preceding a quote (including outer quotes) are doubled in length.
            var resultBuilder = new StringBuilder();

            var outerQuotesRequired = HasWhitespace(argument);

            var precedingQuote = false;
            if (outerQuotesRequired) {
                resultBuilder.Append('"');
                precedingQuote = true;
            }

            for (var index = argument.Length - 1; index >= 0; index--) {
                var @char = argument[index];
                resultBuilder.Append(@char);

                if (@char == '"') {
                    precedingQuote = true;
                    resultBuilder.Append('\\');
                } else if (@char == '\\' && precedingQuote) {
                    resultBuilder.Append('\\');
                } else {
                    precedingQuote = false;
                }
            }

            if (outerQuotesRequired) {
                resultBuilder.Append('"');
            }

            return Reverse(resultBuilder.ToString());
        }