Refactoring context now exposes the document instead of the document

like functions.

ICSharpCode.NRefactory.CSharp/Refactoring/ContextAction/InsertAnonymousMethodSignature.cs

@@ -60,7 +60,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			sb.Append (")");
 			
 			using (var script = context.StartScript ()) {
-				script.InsertText (context.GetOffset (anonymousMethodExpression.DelegateToken.EndLocation), sb.ToString ());
+				script.InsertText (context.Document.GetOffset (anonymousMethodExpression.DelegateToken.EndLocation), sb.ToString ());
 			}
 		}
 		

ICSharpCode.NRefactory.CSharp/Refactoring/ContextAction/IntroduceFormatItem.cs

@@ -92,10 +92,10 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		
 		static PrimitiveExpression CreateFormatString (RefactoringContext context, PrimitiveExpression pExpr, int argumentNumber)
 		{
-			var start = context.GetOffset (pExpr.StartLocation);
-			var end = context.GetOffset (pExpr.EndLocation);
+			var start = context.Document.GetOffset (pExpr.StartLocation);
+			var end = context.Document.GetOffset (pExpr.EndLocation);
 			
-			return new PrimitiveExpression ("", context.GetText (start, context.SelectionStart - start) + "{" + argumentNumber + "}" + context.GetText (context.SelectionEnd, end - context.SelectionEnd));
+			return new PrimitiveExpression ("", context.Document.GetText (start, context.SelectionStart - start) + "{" + argumentNumber + "}" + context.Document.GetText (context.SelectionEnd, end - context.SelectionEnd));
 		}
 	}
 }

ICSharpCode.NRefactory.CSharp/Refactoring/ContextAction/SplitString.cs

@@ -47,7 +47,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		public void Run (RefactoringContext context)
 		{
 			var pexpr = context.GetNode<PrimitiveExpression> ();
-			int offset = context.GetOffset (context.Location);
+			int offset = context.Document.GetOffset (context.Location);
 			using (var script = context.StartScript ()) {
 				script.InsertText (offset, pexpr.LiteralValue.StartsWith ("@") ? "\" + @\"" : "\" + \"");
 			}

ICSharpCode.NRefactory.CSharp/Refactoring/RefactoringContext.cs

@@ -98,7 +98,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		public virtual string EolMarker {
 			get { return Environment.NewLine; }
 		}
-		
+
 		public virtual bool IsSomethingSelected {
 			get { return this.SelectionLength > 0; }
 		}
@@ -117,20 +117,9 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			get { return 0; }
 		}
 
-		public abstract int GetOffset (TextLocation location);
-
-		public abstract IDocumentLine GetLineByOffset (int offset);
-		
-		public int GetOffset (int line, int col)
-		{
-			return GetOffset (new TextLocation (line, col));
+		public abstract IDocument Document {
+			get;
 		}
-
-		public abstract TextLocation GetLocation (int offset);
-
-		public abstract string GetText (int offset, int length);
-
-		public abstract string GetText (ISegment segment);
 		#endregion
 		
 		#region Resolving