MERGE

1 files changed, 129 insertions, 0 deletions

diff --git a/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlAttribute.cs b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlAttribute.cs
new file mode 100644
index 000000000..b8b726ef9
--- /dev/null
+++ b/Software/Visual_Studio/Scripting/Tango.Scripting.Editors/Xml/AXmlAttribute.cs
@@ -0,0 +1,129 @@
+// 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 Tango.Scripting.Editors.Document;
+
+namespace Tango.Scripting.Editors.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);
+		}
+	}
+}