mcs/class/referencesource/System.Data.SqlXml/System/Xml/Xsl/XsltOld/NavigatorOutput.cs

   1 //------------------------------------------------------------------------------
   2 // <copyright file="NavigatorOutput.cs" company="Microsoft">
   3 //     Copyright (c) Microsoft Corporation.  All rights reserved.
   4 // </copyright>
   5 // <owner current="true" primary="true">Microsoft</owner>
   6 //------------------------------------------------------------------------------
   7
   8 namespace System.Xml.Xsl.XsltOld {
   9     using Res = System.Xml.Utils.Res;
  10     using System;
  11     using System.Diagnostics;
  12     using System.Xml;
  13     using System.Xml.XPath;
  14     using MS.Internal.Xml.Cache;
  15
  16     internal class NavigatorOutput : RecordOutput {
  17         private XPathDocument doc;
  18         private int documentIndex;
  19         private XmlRawWriter wr;
  20
  21         internal XPathNavigator Navigator {
  22             get { return ((IXPathNavigable)doc).CreateNavigator(); }
  23         }
  24
  25         internal NavigatorOutput(string baseUri) {
  26             doc = new XPathDocument();
  27             this.wr = doc.LoadFromWriter(XPathDocument.LoadFlags.AtomizeNames, baseUri);
  28         }
  29
  30         public Processor.OutputResult RecordDone(RecordBuilder record) {
  31             Debug.Assert(record != null);
  32
  33             BuilderInfo mainNode = record.MainNode;
  34             documentIndex++;
  35             switch(mainNode.NodeType) {
  36                 case XmlNodeType.Element: {
  37                     wr.WriteStartElement( mainNode.Prefix, mainNode.LocalName, mainNode.NamespaceURI );
  38                     for (int attrib = 0; attrib < record.AttributeCount; attrib ++) {
  39                         documentIndex++;
  40                         Debug.Assert(record.AttributeList[attrib] is BuilderInfo);
  41                         BuilderInfo attrInfo = (BuilderInfo) record.AttributeList[attrib];
  42                         if (attrInfo.NamespaceURI == XmlReservedNs.NsXmlNs) {
  43                             if( attrInfo.Prefix.Length == 0 )
  44                                 wr.WriteNamespaceDeclaration(string.Empty, attrInfo.Value );
  45                             else
  46                                 wr.WriteNamespaceDeclaration( attrInfo.LocalName, attrInfo.Value );
  47                         }
  48                         else {
  49                             wr.WriteAttributeString( attrInfo.Prefix, attrInfo.LocalName, attrInfo.NamespaceURI, attrInfo.Value );
  50                         }
  51                     }
  52
  53                     wr.StartElementContent();
  54
  55                     if (mainNode.IsEmptyTag)
  56                         wr.WriteEndElement( mainNode.Prefix, mainNode.LocalName, mainNode.NamespaceURI );
  57                     break;
  58                 }
  59
  60                 case XmlNodeType.Text:
  61                     wr.WriteString( mainNode.Value );
  62                     break;
  63                 case XmlNodeType.Whitespace:
  64                     break;
  65                 case XmlNodeType.SignificantWhitespace:
  66                     wr.WriteString( mainNode.Value );
  67                     break;
  68
  69                 case XmlNodeType.ProcessingInstruction:
  70                     wr.WriteProcessingInstruction( mainNode.LocalName, mainNode.Value );
  71                     break;
  72                 case XmlNodeType.Comment:
  73                     wr.WriteComment( mainNode.Value );
  74                     break;
  75
  76                 case XmlNodeType.Document:
  77                     break;
  78
  79                 case XmlNodeType.EndElement:
  80                     wr.WriteEndElement( mainNode.Prefix, mainNode.LocalName, mainNode.NamespaceURI );
  81                     break;
  82
  83                 default:
  84                     Debug.Fail("Invalid NodeType on output: " + mainNode.NodeType);
  85                     break;
  86             }
  87             record.Reset();
  88             return Processor.OutputResult.Continue;
  89         }
  90
  91         public void TheEnd() {
  92             wr.Close();
  93         }
  94     }
  95 }