IXmlLineInfo-Schnittstelle
Stellt eine Schnittstelle bereit, über die eine Klasse Zeilen- und Positionsinformationen zurückgeben kann.
Namespace: System.Xml
Assembly: System.Xml (in system.xml.dll)
Syntax
'Declaration
Public Interface IXmlLineInfo
'Usage
Dim instance As IXmlLineInfo
public interface IXmlLineInfo
public interface class IXmlLineInfo
public interface IXmlLineInfo
public interface IXmlLineInfo
Beispiel
Im folgenden Beispiel wird ein XML-Fragment analysiert. Jeder Knoten wird mit Tiefe, Zeilennummer und -position angezeigt.
Imports System
Imports System.IO
Imports System.Xml
Imports Microsoft.VisualBasic
public class Sample
public shared sub Main()
' Create the XML fragment to be parsed.
Dim xmlFrag as string = "<book>" + Chr(10) & _
" <misc>" + Chr(10) & _
" <style>paperback</style>" + Chr(10) & _
" <pages>240</pages>" + Chr(10) & _
" </misc>" + Chr(10) & _
"</book>"
' Create the XmlNamespaceManager.
Dim nsmgr as XmlNamespaceManager = new XmlNamespaceManager(new NameTable())
' Create the XmlParserContext.
Dim context as XmlParserContext = new XmlParserContext(nothing, nsmgr, nothing, XmlSpace.None)
' Create the reader.
Dim reader as XmlValidatingReader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context)
Dim lineInfo as IXmlLineInfo = CType(reader, IXmlLineInfo)
if (lineInfo.HasLineInfo())
' Parse the XML and display each node.
while (reader.Read())
select case reader.NodeType
case XmlNodeType.Element:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine("<{0}>", reader.Name)
case XmlNodeType.Text:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine(" {0}", reader.Value)
case XmlNodeType.EndElement:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition)
Console.WriteLine("</{0}>", reader.Name)
end select
end while
end if
' Close the reader.
reader.Close()
end sub
end class
using System;
using System.IO;
using System.Xml;
public class Sample{
public static void Main(){
// Create the XML fragment to be parsed.
string xmlFrag =
@"<book>
<misc>
<style>paperback</style>
<pages>240</pages>
</misc>
</book>
";
// Create the XmlNamespaceManager.
XmlNamespaceManager nsmgr = new XmlNamespaceManager(new NameTable());
// Create the XmlParserContext.
XmlParserContext context = new XmlParserContext(null, nsmgr, null, XmlSpace.None);
// Create the reader.
XmlValidatingReader reader = new XmlValidatingReader(xmlFrag, XmlNodeType.Element, context);
IXmlLineInfo lineInfo = ((IXmlLineInfo)reader);
if (lineInfo.HasLineInfo()){
// Parse the XML and display each node.
while (reader.Read()){
switch (reader.NodeType){
case XmlNodeType.Element:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine("<{0}>", reader.Name);
break;
case XmlNodeType.Text:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine(" {0}", reader.Value);
break;
case XmlNodeType.EndElement:
Console.Write("{0} {1},{2} ", reader.Depth, lineInfo.LineNumber, lineInfo.LinePosition);
Console.WriteLine("</{0}>", reader.Name);
break;
}
}
}
// Close the reader.
reader.Close();
}
}
#using <System.Xml.dll>
using namespace System;
using namespace System::IO;
using namespace System::Xml;
int main()
{
// Create the XML fragment to be parsed.
String^ xmlFrag = "<book>\n"
"<misc>\n"
"<style>paperback</style>\n"
"<pages>240</pages>\n"
"</misc>\n"
"</book>\n";
// Create the XmlNamespaceManager.
XmlNamespaceManager^ nsmgr = gcnew XmlNamespaceManager( gcnew NameTable );
// Create the XmlParserContext.
XmlParserContext^ context = gcnew XmlParserContext( nullptr,nsmgr,nullptr,XmlSpace::None );
// Create the reader.
XmlValidatingReader^ reader = gcnew XmlValidatingReader( xmlFrag,XmlNodeType::Element,context );
IXmlLineInfo^ lineInfo = (dynamic_cast<IXmlLineInfo^>(reader));
if ( lineInfo->HasLineInfo() )
{
// Parse the XML and display each node.
while ( reader->Read() )
{
switch ( reader->NodeType )
{
case XmlNodeType::Element:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( "< {0}>", reader->Name );
break;
case XmlNodeType::Text:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( " {0}", reader->Value );
break;
case XmlNodeType::EndElement:
Console::Write( " {0} {1}, {2} ", reader->Depth, lineInfo->LineNumber, lineInfo->LinePosition );
Console::WriteLine( "</ {0}>", reader->Name );
break;
}
}
}
// Close the reader.
reader->Close();
}
import System.*;
import System.IO.*;
import System.Xml.*;
public class Sample
{
public static void main(String[] args)
{
// Create the XML fragment to be parsed.
String xmlFrag = "<book>\n"
+ " <misc>\n"
+ " <style>paperback</style>\n"
+ " <pages>240</pages>\n"
+ " </misc>\n"
+ " </book>"
+ " ";
// Create the XmlNamespaceManager.
XmlNamespaceManager nsMgr = new XmlNamespaceManager(new NameTable());
// Create the XmlParserContext.
XmlParserContext context = new XmlParserContext(null, nsMgr,
null, XmlSpace.None);
// Create the reader.
XmlValidatingReader reader = new XmlValidatingReader(xmlFrag,
XmlNodeType.Element, context);
IXmlLineInfo lineInfo = (IXmlLineInfo)reader;
if (lineInfo.HasLineInfo()) {
// Parse the XML and display each node.
while (reader.Read()) {
switch (reader.get_NodeType()) {
case XmlNodeType.Element :
Console.Write("{0} {1},{2} ", System.Convert.ToString(
reader.get_Depth()), System.Convert.ToString(
lineInfo.get_LineNumber()), System.Convert.
ToString(lineInfo.get_LinePosition()));
Console.WriteLine("<{0}>", reader.get_Name());
break;
case XmlNodeType.Text :
Console.Write("{0} {1},{2} ", System.Convert.ToString(
reader.get_Depth()), System.Convert.ToString(
lineInfo.get_LineNumber()), System.Convert.
ToString(lineInfo.get_LinePosition()));
Console.WriteLine(" {0}", System.Convert.ToString(
reader.get_Value()));
break;
case XmlNodeType.EndElement :
Console.Write("{0} {1},{2} ", System.Convert.ToString(
reader.get_Depth()), System.Convert.ToString(
lineInfo.get_LineNumber()), System.Convert.
ToString(lineInfo.get_LinePosition()));
Console.WriteLine("</{0}>", System.Convert.ToString(
reader.get_Name()));
break;
}
}
}
// Close the reader.
reader.Close();
} //main
} //Sample
Plattformen
Windows 98, Windows 2000 SP4, Windows CE, Windows Millennium Edition, Windows Mobile für Pocket PC, Windows Mobile für Smartphone, Windows Server 2003, Windows XP Media Center Edition, Windows XP Professional x64 Edition, Windows XP SP2, Windows XP Starter Edition
.NET Framework unterstützt nicht alle Versionen sämtlicher Plattformen. Eine Liste der unterstützten Versionen finden Sie unter Systemanforderungen.
Versionsinformationen
.NET Framework
Unterstützt in: 2.0, 1.1, 1.0
.NET Compact Framework
Unterstützt in: 2.0, 1.0