XamlStyler.Core.DocumentManipulation.NodeReorderService.ReorderChildNodes C# (CSharp) Méthode

        private void ReorderChildNodes(XElement element)
        {
            List<NodeCollection> nodeCollections = new List<NodeCollection>();

            var children = element.Nodes();

            // This indicates if last element matched ChildNodeNames
            bool inMatchingChildBlock = false;
            // This value changes each time a non matching ChildNodeName is reached ensuring that only sortable elements are reordered
            int childBlockIndex = 0;

            NodeCollection currentNodeCollection = null;

            // Run through children
            foreach (var child in children)
            {
                if (currentNodeCollection == null)
                {
                    currentNodeCollection = new NodeCollection();
                    nodeCollections.Add(currentNodeCollection);
                }

                if (child.NodeType == XmlNodeType.Element)
                {
                    XElement childElement = (XElement)child;

                    var isMatchingChild = ChildNodeNames.Any(match => match.IsMatch(childElement.Name));
                    if (isMatchingChild == false || inMatchingChildBlock == false)
                    {
                        childBlockIndex++;
                        inMatchingChildBlock = isMatchingChild;
                    }

                    if (isMatchingChild)
                    {
                        currentNodeCollection.SortAttributeValues = SortByAttributes.Select(x => x.GetValue(childElement)).ToArray();
                    }

                    currentNodeCollection.BlockIndex = childBlockIndex;
                }

                currentNodeCollection.Nodes.Add(child);

                if (child.NodeType == XmlNodeType.Element)
                    currentNodeCollection = null;
            }

            if (currentNodeCollection != null)
                currentNodeCollection.BlockIndex = childBlockIndex + 1;

            // sort node list
            nodeCollections = nodeCollections.OrderBy(x => x).ToList();

            // replace the element's nodes
            element.ReplaceNodes(nodeCollections.SelectMany(nc => nc.Nodes));
        }