System.Xml.Schema.BaseValidator.ProcessEntity C# (CSharp) Méthode

        protected static void ProcessEntity(SchemaInfo sinfo, string name, object sender, ValidationEventHandler  eventhandler, string baseUri, int lineNumber, int linePosition) {
            SchemaEntity en = (SchemaEntity)sinfo.GeneralEntities[new XmlQualifiedName(name)];
            XmlSchemaException e = null;
            if (en == null) {
                // validation error, see xml spec [68]
                e = new XmlSchemaException(Res.Sch_UndeclaredEntity, name, baseUri, lineNumber, linePosition);                    
            }
            else if (en.NData.IsEmpty) {
                e = new XmlSchemaException(Res.Sch_UnparsedEntityRef, name, baseUri, lineNumber, linePosition);
            }
            if (e != null) {
                if (eventhandler != null) {
                    eventhandler(sender, new ValidationEventArgs(e));
                }
                else {
                    throw e;
                }
            }
        }

        private void ProcessTokenizedType(XmlTokenizedType ttype, string name)
        {
            switch (ttype)
            {
            case XmlTokenizedType.ID:
                if (this.FindId(name) == null)
                {
                    this.AddID(name, base.context.LocalName);
                    return;
                }
                base.SendValidationEvent("Sch_DupId", name);
                return;

            case XmlTokenizedType.IDREF:
                if (this.FindId(name) != null)
                {
                    break;
                }
                this.idRefListHead = new IdRefNode(this.idRefListHead, name, base.PositionInfo.LineNumber, base.PositionInfo.LinePosition);
                return;

            case XmlTokenizedType.IDREFS:
                break;

            case XmlTokenizedType.ENTITY:
                BaseValidator.ProcessEntity(base.schemaInfo, name, this, base.EventHandler, base.reader.BaseURI, base.PositionInfo.LineNumber, base.PositionInfo.LinePosition);
                break;

            default:
                return;
            }
        }