CSMSL.IO.MzTab.MzTabPeptide.GetValue C# (CSharp) Метод

        public override string GetValue(string fieldName)
        {
            switch (fieldName)
            {
                case Fields.Sequence:
                    return Sequence;
                case Fields.Accession:
                    return Accession;
                case Fields.Unique:
                    return Unique ? "1" : "0";
                case Fields.Database:
                    return Database;
                case Fields.DatabaseVersion:
                    return DatabaseVersion;
                case Fields.SearchEngine:
                    return string.Join("|", SearchEngines);
                case Fields.Reliability:
                    if (Reliability == MzTab.ReliabilityScore.NotSet)
                        return MzTab.NullFieldText;
                    return ((int) Reliability).ToString();
                case Fields.Modifications:
                    return Modifications;
                case Fields.RetentionTime:
                    return string.Join("|", RetentionTime);
                case Fields.Charge:
                    return Charge.ToString();
                case Fields.MZ:
                    return MZ.ToString();
                case Fields.Uri:
                    return Uri.ToString();
                case Fields.SpectraReference:
                    return SpectraReference;
                case Fields.RetentionTimeWindow:
                    return string.Join("|", RetentionTimeWindows);
            }

            if (fieldName.Contains("["))
            {
                string condensedFieldName;
                List<int> indices = MzTab.GetFieldIndicies(fieldName, out condensedFieldName);

                switch (condensedFieldName)
                {
                    case Fields.AbundanceAssay:
                        return GetListValue(_abundanceAssays, indices[0]);
                    case Fields.AbundanceStudyVariable:
                        return GetListValue(_abundanceStudyVariables, indices[0]);
                    case Fields.AbundanceStDevStudyVariable:
                        return GetListValue(_abundanceStdevStudyVariables, indices[0]);
                    case Fields.AbudnanceStdErrorStudyVariable:
                        return GetListValue(_abundanceStandardErrorStudyVariables, indices[0]);
                    case Fields.BestSearchEngineScore:
                        return GetListValue(_bestSearchEngineScores, indices[0]);
                }
            }

            if (fieldName.StartsWith(MzTab.OptionalColumnPrefix))
            {
                return GetOptionalData(fieldName);
            }

            throw new ArgumentException("Unexpected field name: " + fieldName);
        }