HtmlKit.HtmlWriter.WriteAttribute C# (CSharp) Method

WriteAttribute() public method

Write the attribute to the output stream.
Writes the attribute to the output stream.
/// is null. /// /// The is not in a state that allows writing attributes. /// /// The has been disposed. ///
public WriteAttribute ( HtmlAttribute attribute ) : void
attribute HtmlAttribute The attribute.
return void
		public void WriteAttribute (HtmlAttribute attribute)
		{
			if (attribute == null)
				throw new ArgumentNullException ("attribute");

			EncodeAttributeName (attribute.Name);

			if (attribute.Value != null)
				EncodeAttributeValue (attribute.Value);
		}

Same methods

HtmlWriter::WriteAttribute ( HtmlAttributeId id, char buffer, int index, int count ) : void
HtmlWriter::WriteAttribute ( HtmlAttributeId id, string value ) : void
HtmlWriter::WriteAttribute ( string name, char buffer, int index, int count ) : void
HtmlWriter::WriteAttribute ( string name, string value ) : void

Usage Example

Esempio n. 1
0
		public void TestHtmlWriter ()
		{
			const string expected = "<html ltr=\"true\"><head/><body><p class=\"paragraph\">" +
				"special characters in this text should get encoded: &lt;&gt;&#39;&amp;\n" +
				"special characters should not get encoded: &lt;&gt;" +
				"</p></body></html>";
			var actual = new StringBuilder ();

			using (var html = new HtmlWriter (new StringWriter (actual))) {
				Assert.AreEqual (HtmlWriterState.Default, html.WriterState);

				// make sure we can't start by writing an attribute since we are in the wrong state
				Assert.Throws<InvalidOperationException> (() => html.WriteAttribute (new HtmlAttribute (HtmlAttributeId.Action, "invalid state")));
				Assert.Throws<InvalidOperationException> (() => html.WriteAttribute (HtmlAttributeId.Action, "invalid state"));
				Assert.Throws<InvalidOperationException> (() => html.WriteAttribute ("action", "invalid state"));

				// write a tag
				html.WriteStartTag (HtmlTagId.Html);
				Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);

				// *now* we should be able to write an attribute
				html.WriteAttribute (new HtmlAttribute ("ltr", "true"));

				// write en empty element tag, this should change the state to Default
				html.WriteEmptyElementTag (HtmlTagId.Head);
				Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);

				html.WriteStartTag ("body");
				Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);

				html.WriteStartTag (HtmlTagId.P);
				Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);

				// make sure that we can't write an attribute value yet
				Assert.Throws<InvalidOperationException> (() => html.WriteAttributeValue ("attrValue"));
				Assert.Throws<InvalidOperationException> (() => html.WriteAttributeValue ("attrValue".ToCharArray (), 0, 9));

				html.WriteAttributeName (HtmlAttributeId.Class);
				Assert.AreEqual (HtmlWriterState.Attribute, html.WriterState);

				html.WriteAttributeValue ("paragraph");
				Assert.AreEqual (HtmlWriterState.Tag, html.WriterState);

				html.WriteText ("special characters in this text should get encoded: <>'&\n");
				html.WriteMarkupText ("special characters should not get encoded: &lt;&gt;");
				Assert.AreEqual (HtmlWriterState.Default, html.WriterState);

				html.WriteEndTag (HtmlTagId.P);

				html.WriteEndTag (HtmlTagId.Body);
				html.WriteEndTag ("html");
			}

			Assert.AreEqual (expected, actual.ToString ());
		}
All Usage Examples Of HtmlKit.HtmlWriter::WriteAttribute