Dev2.Utils.WorkflowDesignerUtils.FormatDsfActivityField C# (CSharp) Method

        public IList<string> FormatDsfActivityField(string activityField)
        {
            //2013.06.10: Ashley Lewis for bug 9306 - handle the case of miss-matched region braces

            IList<string> result = new List<string>();

            var regions = DataListCleaningUtils.SplitIntoRegionsForFindMissing(activityField);
            foreach(var region in regions)
            {
                // Sashen: 09-10-2012 : Using the new parser
                var intellisenseParser = new SyntaxTreeBuilder();

                Node[] nodes = intellisenseParser.Build(region);

                // No point in continuing ;)
                if(nodes == null)
                {
                    return result;
                }

                if(intellisenseParser.EventLog.HasEventLogs)
                {
                    IDev2StudioDataLanguageParser languageParser = DataListFactory.CreateStudioLanguageParser();

                    try
                    {
                        result = languageParser.ParseForActivityDataItems(region);
                    }
                    catch(Dev2DataLanguageParseError)
                    {
                        return new List<string>();
                    }
                    catch(NullReferenceException)
                    {
                        return new List<string>();
                    }

                }
                var allNodes = new List<Node>();

                if(nodes.Any() && !(intellisenseParser.EventLog.HasEventLogs))
                {
                    nodes[0].CollectNodes(allNodes);

                    // ReSharper disable once ForCanBeConvertedToForeach
                    for(int i = 0; i < allNodes.Count; i++)
                    {
                        if(allNodes[i] is DatalistRecordSetNode)
                        {
                            var refNode = allNodes[i] as DatalistRecordSetNode;
                            string nodeName = refNode.GetRepresentationForEvaluation();
                            nodeName = nodeName.Substring(2, nodeName.Length - 4);
                            result.Add(nodeName);
                        }
                        else if(allNodes[i] is DatalistReferenceNode)
                        {
                            var refNode = allNodes[i] as DatalistReferenceNode;
                            string nodeName = refNode.GetRepresentationForEvaluation();
                            nodeName = nodeName.Substring(2, nodeName.Length - 4);
                            result.Add(nodeName);
                        }

                    }
                }
            }

            return result;
        }