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

        public override string GetValue(string fieldName)
        {
            switch (fieldName)
            {
                case Fields.Accession:
                    return Accession;
                case Fields.Description:
                    return Description;
                case Fields.Database:
                    return Database;
                case Fields.DatabaseVersion:
                    return DatabaseVersion;
                case Fields.SearchEngine:
                    return SearchEngines == null ? MzTab.NullFieldText : string.Join("|", SearchEngines);
                case Fields.TaxID:
                    return TaxID.ToString();
                case Fields.Species:
                    return Species;
                case Fields.Modifications:
                    return Modificiations;
                case Fields.AmbiguityMembers:
                    return AmbiguityMembers == null ? MzTab.NullFieldText : string.Join(",", AmbiguityMembers);
                case Fields.Reliability:
                    if (Reliability == MzTab.ReliabilityScore.NotSet)
                        return MzTab.NullFieldText;
                    return ((int) Reliability).ToString();
                case Fields.Coverage:
                    return Coverage.ToString();
                case Fields.Uri:
                    return Uri != null ? Uri.ToString() : MzTab.NullFieldText;
                case Fields.GoTerms:
                    return GoTerms == null ? MzTab.NullFieldText : string.Join("|", GoTerms);
            }

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

                switch (condensedFieldName)
                {
                    case Fields.SearchEngine:
                        return GetListValue(_searchEngines, indices[0]);
                    case Fields.BestSearchEngineScore:
                        return GetListValue(_bestSearchEngineScores, indices[0]);
                    case Fields.AbundancePerAssay:
                        return GetListValue(_abundanceAssays, indices[0]);
                    case Fields.AbundanceStudyVariables:
                        return GetListValue(_abundanceStudyVariables, indices[0]);
                    case Fields.AbundanceStdevStudyVariables:
                        return GetListValue(_abundanceStdevStudyVariables, indices[0]);
                    case Fields.AbundanceStandardErrorStudyVariables:
                        return GetListValue(_abundanceStandardErrorStudyVariables, indices[0]);
                    case Fields.SearchEngineScoreMsRun:
                        return GetListValue(_searchEngineScoreMsRun, indices[0], indices[1]);
                    case Fields.NumberOfPsmsPerMsRun:
                        return GetListValue(_numberOfPsmsPerMsRun, indices[0]);
                    case Fields.NumberOfDistinctPeptidesPerMsRun:
                        return GetListValue(_numberOfDistinctPeptidesPerMsRun, indices[0]);
                    case Fields.NumberOfUniquePeptidesPerMsRun:
                        return GetListValue(_numberOfUniquePeptidesPerMsRun, indices[0]);
                }
            }

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

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