Implement ExpandedString to easily construct strings from chains of ExpandedStringSegments

CSharp/Plugins/UniversalEditor.Essential/ExpandedString.cs

@@ -0,0 +1,93 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+
+namespace UniversalEditor
+{
+	public class ExpandedString
+	{
+		public static readonly ExpandedString Empty = new ExpandedString();
+
+		public ExpandedString()
+		{
+
+		}
+		public ExpandedString(params ExpandedStringSegment[] segments)
+		{
+			foreach (ExpandedStringSegment segment in segments)
+			{
+				mvarSegments.Add(segment);
+			}
+		}
+
+		private ExpandedStringSegment.ExpandedStringSegmentCollection mvarSegments = new ExpandedStringSegment.ExpandedStringSegmentCollection();
+		public ExpandedStringSegment.ExpandedStringSegmentCollection Segments { get { return mvarSegments; } }
+
+		public override string ToString()
+		{
+			StringBuilder sb = new StringBuilder();
+			foreach (ExpandedStringSegment segment in mvarSegments)
+			{
+				sb.Append(segment.ToString());
+			}
+			return sb.ToString();
+		}
+	}
+	public abstract class ExpandedStringSegment
+	{
+		public class ExpandedStringSegmentCollection
+			: System.Collections.ObjectModel.Collection<ExpandedStringSegment>
+		{
+
+		}
+
+		private static readonly Dictionary<string, string> _empty = new Dictionary<string, string>();
+
+		public abstract string ToString(Dictionary<string, string> variables);
+		public override string ToString()
+		{
+			return ToString(_empty);
+		}
+	}
+	public class ExpandedStringSegmentLiteral : ExpandedStringSegment
+	{
+		private string mvarValue = String.Empty;
+		public string Value { get { return mvarValue; } set { mvarValue = value; } }
+
+		public override string ToString(Dictionary<string, string> variables)
+		{
+			return mvarValue;
+		}
+	}
+	/// <summary>
+	/// Represents a string segment whose value is populated by a variable.
+	/// </summary>
+	public class ExpandedStringSegmentVariable : ExpandedStringSegment
+	{
+		private string mvarVariableName = String.Empty;
+		/// <summary>
+		/// The name of the variable in the variables dictionary from which to retrieve the value for this <see cref="ExpandedStringSegment" />.
+		/// </summary>
+		public string VariableName { get { return mvarVariableName; } set { mvarVariableName = value; } }
+
+		/// <summary>
+		/// Creates a new instance of <see cref="ExpandedStringSegmentVariable" /> with the given variable name.
+		/// </summary>
+		/// <param name="variableName">The name of the variable in the variables dictionary from which to retrieve the value for this <see cref="ExpandedStringSegment" />.</param>
+		public ExpandedStringSegmentVariable(string variableName)
+		{
+			mvarVariableName = variableName;
+		}
+
+		/// <summary>
+		/// Returns the value of this <see cref="ExpandedStringSegment" /> with the given variables.
+		/// </summary>
+		/// <param name="variables">The variables to pass into the <see cref="ExpandedStringSegment" />.</param>
+		/// <returns>A <see cref="String" /> that contains the value of this <see cref="ExpandedStringSegment" />.</returns>
+		public override string ToString(Dictionary<string, string> variables)
+		{
+			return variables[mvarVariableName];
+		}
+	}
+}

CSharp/Plugins/UniversalEditor.Essential/UniversalEditor.Essential.csproj

@@ -64,6 +64,8 @@
     <Compile Include="DataFormats\Shortcut\FreeDesktop\DesktopShortcutDataFormat.cs" />
     <Compile Include="DataFormats\Shortcut\FreeDesktop\DesktopShortcutStartupNotifyBehavior.cs" />
     <Compile Include="DataFormats\Shortcut\FreeDesktop\DesktopShortcutType.cs" />
+    <Compile Include="DataFormats\UEPackage\UEPackageXMLDataFormat.cs" />
+    <Compile Include="ExpandedString.cs" />
     <Compile Include="ObjectModels\AbstractSyntax\AbstractSyntaxObjectModel.cs" />
     <Compile Include="ObjectModels\Chunked\ChunkedObjectModel.cs" />
     <Compile Include="ObjectModels\Chunked\RIFFChunk.cs" />
@@ -107,6 +109,7 @@
     <Compile Include="ObjectModels\Text\Formatted\Items\Container.cs" />
     <Compile Include="ObjectModels\Text\Formatted\Items\Literal.cs" />
     <Compile Include="ObjectModels\Text\Plain\PlainTextObjectModel.cs" />
+    <Compile Include="ObjectModels\UEPackage\UEPackageObjectModel.cs" />
     <Compile Include="ProjectTask.cs" />
     <Compile Include="ProjectType.cs" />
     <Compile Include="Properties\AssemblyInfo.cs" />