ReviewR.Diff.DiffReader.ReadFileName C# (CSharp) Method

        private static string ReadFileName(LineReader reader, string expectedPrefix)
        {
            string line = reader.Current.Trim();
            if (!line.StartsWith(expectedPrefix))
            {
                throw new FormatException("Invalid Unified Diff header");
            }
            reader.NextLine();

            // Extract file name
            return line.Substring(3).Trim();
        }