Click here to Skip to main content
Click here to Skip to main content
Add your own
alternative version

Using AvalonEdit (WPF Text Editor)

, 1 Apr 2013 LGPL3
AvalonEdit is an extensible Open-Source text editor with support for syntax highlighting and folding.
AvalonEdit_4.3.1_Binaries-noexe.zip
AvalonEdit_4.3.1_Binaries.zip
AvalonEdit.Sample.exe
ICSharpCode.AvalonEdit.dll
AvalonEdit_4.3.1_Source-noexe.zip
AvalonEdit.Sample
AvalonEdit
dependencies.png
folding.png
renderingPipeline.png
screenshot.png
snoop.png
CustomHighlighting.xshd
Images
Copy.png
Cut.png
Delete.png
Open.png
Paste.png
Redo.png
Save.png
Undo.png
WordWrap.png
Properties
RenderingPipeline.pptx
Documentation
Architecture.aml
Code Completion.aml
Coordinate Systems.aml
Folding.aml
ICSharpCode.AvalonEdit.content
ICSharpCode.AvalonEdit.shfbproj
Media
NamespaceDependencies.png
RenderingPipeline.png
VisualTree.png
WelcomeScreenshot.png
Sample Application.aml
Syntax Highlighting.aml
Text Rendering.aml
Welcome.aml
ICSharpCode.AvalonEdit.Tests
Document
Editing
Highlighting
ICSharpCode.AvalonEdit.Tests.PartCover.Settings
Properties
Search
Utils
ICSharpCode.AvalonEdit
CodeCompletion
Document
Editing
Folding
Highlighting
Resources
ASPX.xshd
Boo.xshd
Coco-Mode.xshd
CPP-Mode.xshd
CSharp-Mode.xshd
CSS-Mode.xshd
HTML-Mode.xshd
Java-Mode.xshd
JavaScript-Mode.xshd
MarkDown-Mode.xshd
Patch-Mode.xshd
PHP-Mode.xshd
PowerShell.xshd
Tex-Mode.xshd
VBNET-Mode.xshd
XML-Mode.xshd
XmlDoc.xshd
Xshd
ICSharpCode.AvalonEdit.snk
Indentation
CSharp
Properties
Rendering
Search
next.png
prev.png
Snippets
themes
RightArrow.cur
Utils
Xml
AvalonEdit_4.3.1_Source.zip
dependencies.png
folding.png
renderingPipeline.png
screenshot.png
snoop.png
CustomHighlighting.xshd
Copy.png
Cut.png
Delete.png
Open.png
Paste.png
Redo.png
Save.png
Undo.png
WordWrap.png
RenderingPipeline.pptx
Architecture.aml
Code Completion.aml
Coordinate Systems.aml
Folding.aml
ICSharpCode.AvalonEdit.content
ICSharpCode.AvalonEdit.shfbproj
NamespaceDependencies.png
RenderingPipeline.png
VisualTree.png
WelcomeScreenshot.png
Sample Application.aml
Syntax Highlighting.aml
Text Rendering.aml
Welcome.aml
ICSharpCode.AvalonEdit.Tests.PartCover.Settings
nunit.framework.dll
ASPX.xshd
Boo.xshd
Coco-Mode.xshd
CPP-Mode.xshd
CSharp-Mode.xshd
CSS-Mode.xshd
HTML-Mode.xshd
Java-Mode.xshd
JavaScript-Mode.xshd
MarkDown-Mode.xshd
Patch-Mode.xshd
PHP-Mode.xshd
PowerShell.xshd
Tex-Mode.xshd
VBNET-Mode.xshd
XML-Mode.xshd
XmlDoc.xshd
ICSharpCode.AvalonEdit.snk
next.png
prev.png
RightArrow.cur
AvalonEdit_Binaries-noexe.zip
AvalonEdit_Binaries.zip
AvalonEdit.Sample.exe
ICSharpCode.AvalonEdit.dll
AvalonEdit_CHM_Documentation.zip
AvalonEdit Documentation.chm
AvalonEdit_Source.zip
dependencies.png
folding.png
renderingPipeline.png
screenshot.png
snoop.png
CustomHighlighting.xshd
Copy.png
Cut.png
Delete.png
Open.png
Paste.png
Redo.png
Save.png
Undo.png
WordWrap.png
RenderingPipeline.pptx
Architecture.aml
Code Completion.aml
Coordinate Systems.aml
Folding.aml
Help
ICSharpCode.AvalonEdit.content
ICSharpCode.AvalonEdit.shfbproj
NamespaceDependencies.png
RenderingPipeline.png
VisualTree.png
WelcomeScreenshot.png
Sample Application.aml
Syntax Highlighting.aml
Text Rendering.aml
Welcome.aml
ICSharpCode.AvalonEdit.Tests.PartCover.Settings
nunit.framework.dll
ASPX.xshd
Boo.xshd
Coco-Mode.xshd
CPP-Mode.xshd
CSharp-Mode.xshd
CSS-Mode.xshd
HTML-Mode.xshd
Java-Mode.xshd
JavaScript-Mode.xshd
Patch-Mode.xshd
PHP-Mode.xshd
PowerShell.xshd
Tex-Mode.xshd
VBNET-Mode.xshd
XML-Mode.xshd
XmlDoc.xshd
ICSharpCode.AvalonEdit.snk
next.png
prev.png
RightArrow.cur
// Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
// This code is distributed under the GNU LGPL (for details please see \doc\license.txt)

using System;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.Collections.Specialized;
using System.Diagnostics;
using System.Globalization;
using System.Linq;

using ICSharpCode.AvalonEdit.Document;

namespace ICSharpCode.AvalonEdit.Xml
{
	/// <summary>
	/// Name-value pair in a tag
	/// </summary>
	[System.Diagnostics.CodeAnalysis.SuppressMessage("Microsoft.Naming", "CA1711:IdentifiersShouldNotHaveIncorrectSuffix")]
	public class AXmlAttribute: AXmlObject
	{
		/// <summary> Name with namespace prefix - exactly as in source file </summary>
		public string Name { get;  internal set; }
		/// <summary> Equals sign and surrounding whitespace </summary>
		public string EqualsSign { get; internal set; }
		/// <summary> The raw value - exactly as in source file (*probably* quoted and escaped) </summary>
		public string QuotedValue { get; internal set; }
		/// <summary> Unquoted and dereferenced value of the attribute </summary>
		public string Value { get; internal set; }
		
		internal override void DebugCheckConsistency(bool checkParentPointers)
		{
			DebugAssert(Name != null, "Null Name");
			DebugAssert(EqualsSign != null, "Null EqualsSign");
			DebugAssert(QuotedValue != null, "Null QuotedValue");
			DebugAssert(Value != null, "Null Value");
			base.DebugCheckConsistency(checkParentPointers);
		}
		
		#region Helpper methods
		
		/// <summary> The element containing this attribute </summary>
		/// <returns> Null if orphaned </returns>
		public AXmlElement ParentElement {
			get {
				AXmlTag tag = this.Parent as AXmlTag;
				if (tag != null) {
					return tag.Parent as AXmlElement;
				}
				return null;
			}
		}
		
		/// <summary> The part of name before ":"</summary>
		/// <returns> Empty string if not found </returns>
		public string Prefix {
			get {
				return GetNamespacePrefix(this.Name);
			}
		}
		
		/// <summary> The part of name after ":" </summary>
		/// <returns> Whole name if ":" not found </returns>
		public string LocalName {
			get {
				return GetLocalName(this.Name);
			}
		}
		
		/// <summary>
		/// Resolved namespace of the name.  Empty string if not found
		/// From the specification: "The namespace name for an unprefixed attribute name always has no value."
		/// </summary>
		public string Namespace {
			get {
				if (string.IsNullOrEmpty(this.Prefix)) return NoNamespace;
				
				AXmlElement elem = this.ParentElement;
				if (elem != null) {
					return elem.ResolvePrefix(this.Prefix);
				}
				return NoNamespace; // Orphaned attribute
			}
		}
		
		/// <summary> Attribute is declaring namespace ("xmlns" or "xmlns:*") </summary>
		public bool IsNamespaceDeclaration {
			get {
				return this.Name == "xmlns" || this.Prefix == "xmlns";
			}
		}
		
		#endregion
		
		/// <inheritdoc/>
		public override void AcceptVisitor(IAXmlVisitor visitor)
		{
			visitor.VisitAttribute(this);
		}
		
		/// <inheritdoc/>
		internal override bool UpdateDataFrom(AXmlObject source)
		{
			if (!base.UpdateDataFrom(source)) return false;
			AXmlAttribute src = (AXmlAttribute)source;
			if (this.Name != src.Name ||
				this.EqualsSign != src.EqualsSign ||
				this.QuotedValue != src.QuotedValue ||
				this.Value != src.Value)
			{
				OnChanging();
				this.Name = src.Name;
				this.EqualsSign = src.EqualsSign;
				this.QuotedValue = src.QuotedValue;
				this.Value = src.Value;
				OnChanged();
				return true;
			} else {
				return false;
			}
		}
		
		/// <inheritdoc/>
		public override string ToString()
		{
			return string.Format(CultureInfo.InvariantCulture, "[{0} '{1}{2}{3}']", base.ToString(), this.Name, this.EqualsSign, this.Value);
		}
	}
}

By viewing downloads associated with this article you agree to the Terms of Service and the article's licence.

If a file you wish to view isn't highlighted, and is a text file (not binary), please let us know and we'll add colourisation support for it.

License

This article, along with any associated source code and files, is licensed under The GNU Lesser General Public License (LGPLv3)

Share

About the Author

Daniel Grunwald

Germany Germany
I am the lead developer on the SharpDevelop open source project.
Follow on   Twitter   Google+   LinkedIn

| Advertise | Privacy | Terms of Use | Mobile
Web03 | 2.8.141223.1 | Last Updated 1 Apr 2013
Article Copyright 2009 by Daniel Grunwald
Everything else Copyright © CodeProject, 1999-2014
Layout: fixed | fluid