System.Xml.Xsl.XsltOld.Stylesheet.AddTemplate C# (CSharp) Method

        internal void AddTemplate(TemplateAction template) {
            XmlQualifiedName mode = template.Mode;

            //
            // Ensure template has a unique name
            //

            Debug.Assert(this.templateNameTable != null);

            if (template.Name != null) {
                if (this.templateNameTable.ContainsKey(template.Name) == false) {
                    this.templateNameTable[template.Name] = template;
                }
                else {
                    throw XsltException.Create(Res.Xslt_DupTemplateName, template.Name.ToString());
                }
            }


            if (template.MatchKey != Compiler.InvalidQueryKey) {
                if (this.modeManagers == null) {
                    this.modeManagers = new Hashtable();
                }
                Debug.Assert(this.modeManagers != null);

                if (mode == null) {
                    mode = XmlQualifiedName.Empty;
                }

                TemplateManager manager = (TemplateManager) this.modeManagers[mode];

                if (manager == null) {
                    manager = new TemplateManager(this, mode);

                    this.modeManagers[mode] = manager;

                    if (mode.IsEmpty) {
                        Debug.Assert(this.templates == null);
                        this.templates = manager;
                    }
                }
                Debug.Assert(manager != null);

                template.TemplateId = ++ this.templateCount;
                manager.AddTemplate(template);
            }
        }