/// <summary> /// Creates a child element, if supported by this node /// </summary> /// <param name="parentPointer"></param> /// <param name="formatter"></param> /// <param name="version"></param> /// <param name="context"></param> /// <returns></returns> public INodePointer CreateChild(INodePointer parentPointer, SifFormatter formatter, SifVersion version, SifXPathContext context) { // 1) Create an instance of the SimpleField with a null value (It's assigned later) // // STEP 2 // Find the actual field to set the value to // SifElement parent = (SifElement)((SifElementPointer)parentPointer).Element; SifElement targetElement = parent; if (!fElementDef.Field) { // This indicates a child SifElement that needs to be created targetElement = SifElement.Create(parent, fElementDef); formatter.AddChild(parent, targetElement, version); } IElementDef fieldDef = null; if (fValueXpath.Equals(".")) { fieldDef = fElementDef; } else { String fieldName = fValueXpath; if (fValueXpath.StartsWith("@")) { fieldName = fValueXpath.Substring(1); } fieldDef = Adk.Dtd.LookupElementDef(fElementDef, fieldName); } if (fieldDef == null) { throw new ArgumentException("Support for value path {" + fValueXpath + "} is not supported by XPathSurrogate."); } SifSimpleType ssf = fieldDef.TypeConverter.GetSifSimpleType(null); SimpleField sf = ssf.CreateField(targetElement, fieldDef); targetElement.SetField(sf); // 2) built out a fake set of node pointers representing the SIF 1.5r1 path and // return the root pointer from that stack return(BuildLegacyPointers(parentPointer, sf)); }
public override INodePointer CreateAttribute(SifXPathContext context, String name) { IElementDef subEleDef = GetChildDef(name); SifElement sifElement = (SifElement)fElement; if (subEleDef.Field) { SifSimpleType ssf = subEleDef.TypeConverter.GetSifSimpleType(null); SimpleField sf = ssf.CreateField(sifElement, subEleDef); sifElement.SetField(sf); return(SimpleFieldPointer.Create(this, sf)); } throw new ArgumentException( "Factory could not create a child node for path: " + Name + "/" + name); }