System.Xml.XmlTextReaderImpl.InitFragmentReader C# (CSharp) Méthode

        private void InitFragmentReader(XmlNodeType fragmentType, XmlParserContext parserContext, bool allowXmlDeclFragment)
        {
            _fragmentParserContext = parserContext;

            if (parserContext != null)
            {
                if (parserContext.NamespaceManager != null)
                {
                    _namespaceManager = parserContext.NamespaceManager;
                    _xmlContext.defaultNamespace = _namespaceManager.LookupNamespace(string.Empty);
                }
                else
                {
                    _namespaceManager = new XmlNamespaceManager(_nameTable);
                }

                _ps.baseUriStr = parserContext.BaseURI;
                _ps.baseUri = null;
                _xmlContext.xmlLang = parserContext.XmlLang;
                _xmlContext.xmlSpace = parserContext.XmlSpace;
            }
            else
            {
                _namespaceManager = new XmlNamespaceManager(_nameTable);
                _ps.baseUriStr = string.Empty;
                _ps.baseUri = null;
            }

            _reportedBaseUri = _ps.baseUriStr;

            switch (fragmentType)
            {
                case XmlNodeType.Attribute:
                    _ps.appendMode = false;
                    _parsingFunction = ParsingFunction.SwitchToInteractive;
                    _nextParsingFunction = ParsingFunction.FragmentAttribute;
                    break;
                case XmlNodeType.Element:
                    Debug.Assert(_parsingFunction == ParsingFunction.SwitchToInteractiveXmlDecl);
                    _nextParsingFunction = ParsingFunction.DocumentContent;
                    break;
                case XmlNodeType.Document:
                    Debug.Assert(_parsingFunction == ParsingFunction.SwitchToInteractiveXmlDecl);
                    Debug.Assert(_nextParsingFunction == ParsingFunction.DocumentContent);
                    break;
                case XmlNodeType.XmlDeclaration:
                    if (allowXmlDeclFragment)
                    {
                        _ps.appendMode = false;
                        _parsingFunction = ParsingFunction.SwitchToInteractive;
                        _nextParsingFunction = ParsingFunction.XmlDeclarationFragment;
                        break;
                    }
                    else
                    {
                        goto default;
                    }
                default:
                    Throw(SR.Xml_PartialContentNodeTypeNotSupportedEx, fragmentType.ToString());
                    return;
            }
            _fragmentType = fragmentType;
            _fragment = true;
        }