Writes XML to an xml writer to ensure proper formatting

Syntax

Visual Basic (Declaration)
Public Overloads Overridable Sub WriteXml( _ ByVal wtr As XmlWriter _ )

C#
public virtual void WriteXml( XmlWriter wtr )

Parameters

wtr

Example

Library/Library.Test/TestHtmlParser.cs

C#	Copy Code
string html = @"<html> <body attrib=""this & that ><  !""> this char '<' and this one '>' and this one '&' should be encoded. We encoded '   ' and Ã and ' ' and ' ' all by ourselves. This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it. This entity name will pass-through &unknown; this will not &whateverthatmeans; and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;. </body> </html>"; string expect = @"<html><body attrib=""this & that ><" + (Char)160 + @" !""> this char '<' and this one '>' and this one '&' should be encoded. We encoded '   ' and Ã and ' ' and ' ' all by ourselves. This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it. This entity name will pass-through &unknown; this will not &whateverthatmeans; and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;. </body></html>"; XmlLightDocument doc = new HtmlLightDocument(html); XmlWriterSettings settings = new XmlWriterSettings() { CheckCharacters = true, Indent = false, IndentChars = "", NewLineChars = "", NewLineHandling = NewLineHandling.None, OmitXmlDeclaration = true, CloseOutput = false }; StringWriter sw = new StringWriter(); XmlWriter wtr = XmlWriter.Create(sw, settings); doc.WriteXml(wtr); wtr.Flush(); string xml = sw.ToString(); Assert.AreEqual(expect, xml);

Copy Code

string html = @"<html>
<body attrib=""this & that ><&nbsp;&#32;!"">
    this char '<' and this one '>' and this one '&' should be encoded.  
    We encoded ' &nbsp; ' and &Atilde; and '&#32;' and '&#x20;' all by ourselves.
    This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it.
    This entity name will pass-through &unknown; this will not &whateverthatmeans;
    and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;.
</body>
</html>";
string expect = @"<html><body attrib=""this &amp; that &gt;&lt;" + (Char)160 + @" !"">
    this char '&lt;' and this one '&gt;' and this one '&amp;' should be encoded.  
    We encoded ' &nbsp; ' and &Atilde; and '&#32;' and '&#x20;' all by ourselves.
    This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it.
    This entity name will pass-through &unknown; this will not &amp;whateverthatmeans;
    and nor will these &amp;; &amp;#; &amp;h; &amp;l t; &amp;1two; &amp;234; &amp;#x00fg; &amp;#-123;.
</body></html>";

XmlLightDocument doc = new HtmlLightDocument(html);
XmlWriterSettings settings = new XmlWriterSettings()
{
    CheckCharacters = true,
    Indent = false,
    IndentChars = "",
    NewLineChars = "",
    NewLineHandling = NewLineHandling.None,
    OmitXmlDeclaration = true,
    CloseOutput = false
};
StringWriter sw = new StringWriter();
XmlWriter wtr = XmlWriter.Create(sw, settings);
doc.WriteXml(wtr);
wtr.Flush();
string xml = sw.ToString();

Assert.AreEqual(expect, xml);

VB.NET	Copy Code
Dim html As String = "<html>" & vbCr & vbLf & " <body attrib=""this & that ><  !"">" & vbCr & vbLf & " this char '<' and this one '>' and this one '&' should be encoded. " & vbCr & vbLf & " We encoded '   ' and Ã and ' ' and ' ' all by ourselves." & vbCr & vbLf & " This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it." & vbCr & vbLf & " This entity name will pass-through &unknown; this will not &whateverthatmeans;" & vbCr & vbLf & " and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;." & vbCr & vbLf & " </body>" & vbCr & vbLf & " </html>" Dim expect As String = "<html><body attrib=""this & that ><" + DirectCast(160, [Char]) + " !"">" & vbCr & vbLf & " this char '<' and this one '>' and this one '&' should be encoded. " & vbCr & vbLf & " We encoded '   ' and Ã and ' ' and ' ' all by ourselves." & vbCr & vbLf & " This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it." & vbCr & vbLf & " This entity name will pass-through &unknown; this will not &whateverthatmeans;" & vbCr & vbLf & " and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;." & vbCr & vbLf & " </body></html>" Dim doc As XmlLightDocument = New HtmlLightDocument(html) Dim settings As New XmlWriterSettings() With { _ Key .CheckCharacters = True, _ Key .Indent = False, _ Key .IndentChars = "", _ Key .NewLineChars = "", _ Key .NewLineHandling = NewLineHandling.None, _ Key .OmitXmlDeclaration = True, _ Key .CloseOutput = False _ } Dim sw As New StringWriter() Dim wtr As XmlWriter = XmlWriter.Create(sw, settings) doc.WriteXml(wtr) wtr.Flush() Dim xml As String = sw.ToString() Assert.AreEqual(expect, xml)

VB.NET

Copy Code

Dim html As String = "<html>" & vbCr & vbLf & "            <body attrib=""this & that ><&nbsp;&#32;!"">" & vbCr & vbLf & "                this char '<' and this one '>' and this one '&' should be encoded.  " & vbCr & vbLf & "                We encoded ' &nbsp; ' and &Atilde; and '&#32;' and '&#x20;' all by ourselves." & vbCr & vbLf & "                This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it." & vbCr & vbLf & "                This entity name will pass-through &unknown; this will not &whateverthatmeans;" & vbCr & vbLf & "                and nor will these &; &#; &h; &l t; &1two; &234; &#x00fg; &#-123;." & vbCr & vbLf & "            </body>" & vbCr & vbLf & "            </html>"
Dim expect As String = "<html><body attrib=""this &amp; that &gt;&lt;" + DirectCast(160, [Char]) + " !"">" & vbCr & vbLf & "                this char '&lt;' and this one '&gt;' and this one '&amp;' should be encoded.  " & vbCr & vbLf & "                We encoded ' &nbsp; ' and &Atilde; and '&#32;' and '&#x20;' all by ourselves." & vbCr & vbLf & "                This in not valid xml &#xffffffff;, nor is &#123456789;, but we still allow it." & vbCr & vbLf & "                This entity name will pass-through &unknown; this will not &amp;whateverthatmeans;" & vbCr & vbLf & "                and nor will these &amp;; &amp;#; &amp;h; &amp;l t; &amp;1two; &amp;234; &amp;#x00fg; &amp;#-123;." & vbCr & vbLf & "            </body></html>"

Dim doc As XmlLightDocument = New HtmlLightDocument(html)
Dim settings As New XmlWriterSettings() With { _
    Key .CheckCharacters = True, _
    Key .Indent = False, _
    Key .IndentChars = "", _
    Key .NewLineChars = "", _
    Key .NewLineHandling = NewLineHandling.None, _
    Key .OmitXmlDeclaration = True, _
    Key .CloseOutput = False _
}
Dim sw As New StringWriter()
Dim wtr As XmlWriter = XmlWriter.Create(sw, settings)
doc.WriteXml(wtr)
wtr.Flush()
Dim xml As String = sw.ToString()

Assert.AreEqual(expect, xml)

Requirements

Target Platforms: Windows XP, Windows Server 2003, Windows Vista, Windows Server 2008, Windows 7

Syntax

Parameters

Example

Requirements

See Also

Reference

Source Code

Used By

CSharpTest.Net
WriteXml(XmlWriter) Method
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