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C# XmlReader.ResolveEntity方法代码示例

本文整理汇总了C#中System.IO.XmlReader.ResolveEntity方法的典型用法代码示例。如果您正苦于以下问题:C# XmlReader.ResolveEntity方法的具体用法?C# XmlReader.ResolveEntity怎么用?C# XmlReader.ResolveEntity使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在System.IO.XmlReader的用法示例。


在下文中一共展示了XmlReader.ResolveEntity方法的3个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。

示例1: BuildSubtree

        internal static void BuildSubtree(XmlReader reader, XmlWriter writer)
        {
            // important (perf) string literal...
            string xmlnsUri = XmlConst.ReservedNsXmlNs; // http://www.w3.org/2000/xmlns/
            ReadState readState = reader.ReadState;

            if (readState != ReadState.Initial
                && readState != ReadState.Interactive)
            {
                throw new ArgumentException(SR.Xml_InvalidOperation, "reader");
            }
            int level = 0;
            if (readState == ReadState.Initial)
            {
                if (!reader.Read())
                    return;
                level++; // if start in initial, read everything (not just first)
            }
            do
            {
                switch (reader.NodeType)
                {
                    case XmlNodeType.Element:
                        writer.WriteStartElement(reader.Prefix, reader.LocalName, reader.NamespaceURI);
                        bool isEmptyElement = reader.IsEmptyElement;

                        while (reader.MoveToNextAttribute())
                        {
                            if ((object)reader.NamespaceURI == (object)xmlnsUri)
                            {
                                if (reader.Prefix.Length == 0)
                                {
                                    // Default namespace declaration "xmlns"
                                    Debug.Assert(reader.LocalName == "xmlns");
                                    writer.WriteAttributeString("", "xmlns", xmlnsUri, reader.Value);
                                }
                                else
                                {
                                    Debug.Assert(reader.Prefix == "xmlns");
                                    writer.WriteAttributeString("xmlns", reader.LocalName, xmlnsUri, reader.Value);
                                }
                            }
                            else
                            {
                                writer.WriteStartAttribute(reader.Prefix, reader.LocalName, reader.NamespaceURI);
                                writer.WriteString(reader.Value);
                                writer.WriteEndAttribute();
                            }
                        }

                        reader.MoveToElement();
                        if (isEmptyElement)
                        {
                            // there might still be a value, if there is a default value specified in the schema
                            writer.WriteEndElement();
                        }
                        else
                        {
                            level++;
                        }
                        break;
                    case XmlNodeType.EndElement:
                        writer.WriteFullEndElement();
                        //should not read beyond the level of the reader's original position.
                        level--;
                        break;
                    case XmlNodeType.Text:
                    case XmlNodeType.CDATA:
                        writer.WriteString(reader.Value);
                        break;
                    case XmlNodeType.SignificantWhitespace:
                    case XmlNodeType.Whitespace:
                        writer.WriteString(reader.Value);
                        break;
                    case XmlNodeType.Comment:
                        writer.WriteComment(reader.Value);
                        break;
                    case XmlNodeType.ProcessingInstruction:
                        writer.WriteProcessingInstruction(reader.LocalName, reader.Value);
                        break;
                    case XmlNodeType.EntityReference:
                        reader.ResolveEntity();
                        break;
                    case XmlNodeType.EndEntity:
                    case XmlNodeType.None:
                    case XmlNodeType.DocumentType:
                    case XmlNodeType.XmlDeclaration:
                        break;
                    case XmlNodeType.Attribute:
                        if ((object)reader.NamespaceURI == (object)xmlnsUri)
                        {
                            if (reader.Prefix.Length == 0)
                            {
                                // Default namespace declaration "xmlns"
                                Debug.Assert(reader.LocalName == "xmlns");
                                writer.WriteAttributeString("", "xmlns", xmlnsUri, reader.Value);
                            }
                            else
                            {
                                Debug.Assert(reader.Prefix == "xmlns");
//.........这里部分代码省略.........
开发者ID:noahfalk,项目名称:corefx,代码行数:101,代码来源:XPathNavigator.cs

示例2: LoadFromReader


//.........这里部分代码省略.........
                    {
                        case XmlNodeType.Element:
                            {
                                bool isEmptyElement = reader.IsEmptyElement;

                                builder.WriteStartElement(reader.Prefix, reader.LocalName, reader.NamespaceURI, reader.BaseURI);

                                // Add attribute and namespace nodes to element
                                while (reader.MoveToNextAttribute())
                                {
                                    string namespaceUri = reader.NamespaceURI;

                                    if ((object)namespaceUri == (object)xmlnsUri)
                                    {
                                        if (reader.Prefix.Length == 0)
                                        {
                                            // Default namespace declaration "xmlns"
                                            Debug.Assert(reader.LocalName == "xmlns");
                                            builder.WriteNamespaceDeclaration(string.Empty, reader.Value);
                                        }
                                        else
                                        {
                                            Debug.Assert(reader.Prefix == "xmlns");
                                            builder.WriteNamespaceDeclaration(reader.LocalName, reader.Value);
                                        }
                                    }
                                    else
                                    {
                                        builder.WriteStartAttribute(reader.Prefix, reader.LocalName, namespaceUri);
                                        builder.WriteString(reader.Value, TextBlockType.Text);
                                        builder.WriteEndAttribute();
                                    }
                                }

                                if (isEmptyElement)
                                    builder.WriteEndElement(true);
                                break;
                            }

                        case XmlNodeType.EndElement:
                            builder.WriteEndElement(false);
                            break;

                        case XmlNodeType.Text:
                        case XmlNodeType.CDATA:
                            builder.WriteString(reader.Value, TextBlockType.Text);
                            break;

                        case XmlNodeType.SignificantWhitespace:
                            if (reader.XmlSpace == XmlSpace.Preserve)
                                builder.WriteString(reader.Value, TextBlockType.SignificantWhitespace);
                            else
                                // Significant whitespace without xml:space="preserve" is not significant in XPath/XQuery data model
                                goto case XmlNodeType.Whitespace;
                            break;

                        case XmlNodeType.Whitespace:
                            // We intentionally ignore the reader.XmlSpace property here and blindly trust
                            //   the reported node type. If the reported information is not in sync
                            //   (in this case if the reader.XmlSpace == Preserve) then we make the choice
                            //   to trust the reported node type. Since we have no control over the input reader
                            //   we can't even assert here.

                            // Always filter top-level whitespace
                            if (space == XmlSpace.Preserve && (!topLevelReader || reader.Depth != 0))
                                builder.WriteString(reader.Value, TextBlockType.Whitespace);
                            break;

                        case XmlNodeType.Comment:
                            builder.WriteComment(reader.Value);
                            break;

                        case XmlNodeType.ProcessingInstruction:
                            builder.WriteProcessingInstruction(reader.LocalName, reader.Value, reader.BaseURI);
                            break;

                        case XmlNodeType.EntityReference:
                            reader.ResolveEntity();
                            break;

                        case XmlNodeType.DocumentType:
                            // Create ID tables
                            IDtdInfo info = reader.DtdInfo;
                            if (info != null)
                                builder.CreateIdTables(info);
                            break;

                        case XmlNodeType.EndEntity:
                        case XmlNodeType.None:
                        case XmlNodeType.XmlDeclaration:
                            break;
                    }
                }
                while (reader.Read());
            }
            finally
            {
                builder.Close();
            }
        }
开发者ID:Corillian,项目名称:corefx,代码行数:101,代码来源:XPathDocument.cs

示例3: ReadChildNodes

	    private void ReadChildNodes( XPathContainer parent, string parentBaseUri, XmlReader reader, PositionInfo positionInfo ) {
		    do {
		        documentIndex++;
			    switch( reader.NodeType ) {
				case XmlNodeType.Element: {
                    string baseUri = reader.BaseURI;
                    XPathElement e = null;
                    if( reader.IsEmptyElement ) {
                        e = new XPathEmptyElement( reader.Prefix, reader.LocalName, reader.NamespaceURI, positionInfo.LineNumber, positionInfo.LinePosition, parent.topNamespace, documentIndex );
    					ReadAttributes( e, reader );
                    }
                    else {
                        e = new XPathElement( reader.Prefix, reader.LocalName, reader.NamespaceURI, positionInfo.LineNumber, positionInfo.LinePosition, parent.topNamespace, documentIndex );
    					ReadAttributes( e, reader );
    					reader.Read();
	    				ReadChildNodes( e, baseUri, reader, positionInfo );
                    }
                    if (parentBaseUri != baseUri) {
                        // We can't user Ref.Equial Because Reader fails to fully atomize base Uri.
                        if (elementBaseUriMap == null) {
                            elementBaseUriMap = new Hashtable();
                        }
                        elementBaseUriMap[e] = baseUri;
                    }
                    parent.AppendChild( e );
                    break;
				}	

				case XmlNodeType.Comment:
                    parent.AppendChild( new XPathComment( reader.Value, documentIndex ) );
                    break;

				case XmlNodeType.ProcessingInstruction:
                    parent.AppendChild( new XPathProcessingInstruction( reader.LocalName, reader.Value, documentIndex ) );
                    break;

				case XmlNodeType.SignificantWhitespace:
                    if( reader.XmlSpace == XmlSpace.Preserve ) {
                        parent.AppendSignificantWhitespace( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
                    }
                    else {
                        // SWS without xml:space='preserve' is not really significant for XPath.
                        // so we treat it as just WS
                        goto case XmlNodeType.Whitespace;
                    }
                    break;

				case XmlNodeType.Whitespace:
                    if( space == XmlSpace.Preserve ) {
                        parent.AppendWhitespace( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
                    }
                    break;

				case XmlNodeType.CDATA:
				case XmlNodeType.Text:
                    parent.AppendText( reader.Value, positionInfo.LineNumber, positionInfo.LinePosition, documentIndex );
                    break;

                case XmlNodeType.EntityReference:
                    reader.ResolveEntity();
                    reader.Read();
                    ReadChildNodes( parent, parentBaseUri, reader, positionInfo);
                    break;

                case XmlNodeType.EndEntity:
				case XmlNodeType.EndElement:
                case XmlNodeType.None:
					return;

                case XmlNodeType.DocumentType:
                    XmlValidatingReader vr = reader as XmlValidatingReader;
                    if ( vr != null ) {
                        SchemaInfo info = vr.GetSchemaInfo();
                        if ( info != null ) {
                            GetIDInfo( info);
                        }
                    }
                    break;
                case XmlNodeType.XmlDeclaration:
                default:
                    break;
			    }
		    }while( reader.Read() );
	    }
开发者ID:ArildF,项目名称:masters,代码行数:84,代码来源:xpathdocument.cs


注:本文中的System.IO.XmlReader.ResolveEntity方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。