[Refactoring] Format text can now take a node list to format / fixed a

formatting issue.

ICSharpCode.NRefactory.CSharp/Formatter/AstFormattingVisitor.cs

@@ -119,16 +119,20 @@ namespace ICSharpCode.NRefactory.CSharp
 
 		protected override void VisitChildren (AstNode node)
 		{
-			if (!FormattingRegion.IsEmpty) {
-				if (node.EndLocation < FormattingRegion.Begin || node.StartLocation > FormattingRegion.End)
-					return;
-			}
-
 			AstNode next;
 			for (var child = node.FirstChild; child != null; child = next) {
 				// Store next to allow the loop to continue
 				// if the visitor removes/replaces child.
 				next = child.NextSibling;
+
+				if (!FormattingRegion.IsEmpty) {
+					if (child.EndLocation < FormattingRegion.Begin) {
+						continue;
+					}
+					if (child.StartLocation > FormattingRegion.End) {
+						break;
+					}
+				}
 				child.AcceptVisitor (this);
 			}
 		}
@@ -404,7 +408,8 @@ namespace ICSharpCode.NRefactory.CSharp
 		void ForceSpace(int startOffset, int endOffset, bool forceSpace)
 		{
 			int lastNonWs = SearchLastNonWsChar(startOffset, endOffset);
-			AddChange(lastNonWs + 1, System.Math.Max(0, endOffset - lastNonWs - 1), forceSpace ? " " : "");
+			if (lastNonWs >= 0)
+				AddChange(lastNonWs + 1, System.Math.Max(0, endOffset - lastNonWs - 1), forceSpace ? " " : "");
 		}
 //		void ForceSpacesAfter (AstNode n, bool forceSpaces)
 //		{

ICSharpCode.NRefactory.CSharp/Refactoring/CodeActions/IterateViaForeachAction.cs

@@ -70,7 +70,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 					var blockStatement = new BlockStatement();
 					blockStatement.Statements.Add(iterator);
 					script.Replace(usingStatement.EmbeddedStatement, blockStatement);
-					script.FormatText(blockStatement);
+					script.FormatText((AstNode)blockStatement);
 				} else if (usingStatement.EmbeddedStatement is BlockStatement) {
 					var anchorNode = usingStatement.EmbeddedStatement.FirstChild;
 					script.InsertAfter(anchorNode, iterator);

ICSharpCode.NRefactory.CSharp/Refactoring/DocumentScript.cs

@@ -17,8 +17,10 @@
 // DEALINGS IN THE SOFTWARE.
 
 using System;
+using System.Linq;
 using System.Diagnostics;
 using ICSharpCode.NRefactory.Editor;
+using System.Collections.Generic;
 
 namespace ICSharpCode.NRefactory.CSharp.Refactoring
 {
@@ -95,14 +97,17 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			return originalDocument.Version.MoveOffsetTo(currentDocument.Version, originalDocumentOffset);
 		}
 		
-		public override void FormatText(AstNode node)
+		public override void FormatText(IEnumerable<AstNode> nodes)
 		{
-			var segment = GetSegment(node);
 			var syntaxTree = SyntaxTree.Parse(currentDocument, "dummy.cs");
-			var formatter = new AstFormattingVisitor(FormattingOptions, currentDocument, Options);
-			formatter.FormattingRegion = new ICSharpCode.NRefactory.TypeSystem.DomRegion (node.StartLocation, node.EndLocation);
-			syntaxTree.AcceptVisitor(formatter);
-			formatter.ApplyChanges(segment.Offset, segment.Length);
+			foreach (var node in nodes.OrderByDescending (n => n.StartLocation)) {
+				var segment = GetSegment(node);
+				var formatter = new AstFormattingVisitor(FormattingOptions, currentDocument, Options);
+
+				formatter.FormattingRegion = new ICSharpCode.NRefactory.TypeSystem.DomRegion (node.StartLocation, node.EndLocation);
+				syntaxTree.AcceptVisitor(formatter);
+				formatter.ApplyChanges(segment.Offset, segment.Length);
+			}
 		}
 		
 		protected override int GetIndentLevelAt(int offset)

ICSharpCode.NRefactory.CSharp/Refactoring/Script.cs

@@ -202,21 +202,28 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 			CorrectFormatting (node, node);
 		}
 
+		List<AstNode> nodesToFormat = new List<AstNode> ();
+
 		void CorrectFormatting(AstNode node, AstNode newNode)
 		{
 			if (node is Identifier || node is IdentifierExpression || node is CSharpTokenNode || node is AstType)
 				return;
 			if (node == null || node.Parent is BlockStatement) {
-				FormatText(newNode); 
+				nodesToFormat.Add (newNode); 
 			} else {
-				FormatText((node.Parent != null && (node.Parent is Statement || node.Parent is Expression || node.Parent is VariableInitializer)) ? node.Parent : newNode); 
+				nodesToFormat.Add ((node.Parent != null && (node.Parent is Statement || node.Parent is Expression || node.Parent is VariableInitializer)) ? node.Parent : newNode); 
 			}
 		}
 		
 		public abstract void Remove (AstNode node, bool removeEmptyLine = true);
 		
-		public abstract void FormatText (AstNode node);
-		
+		public abstract void FormatText (IEnumerable<AstNode> nodes);
+
+		public void FormatText (params AstNode[] node)
+		{
+			FormatText ((IEnumerable<AstNode>)node);
+		}
+
 		public virtual void Select (AstNode node)
 		{
 			// default implementation: do nothing
@@ -380,6 +387,7 @@ namespace ICSharpCode.NRefactory.CSharp.Refactoring
 		
 		public virtual void Dispose()
 		{
+			FormatText (nodesToFormat);
 		}
 		
 		public enum NewTypeContext {

ICSharpCode.NRefactory.Tests/CSharp/CodeActions/ConvertSwitchToIfTests.cs

@@ -138,10 +138,15 @@ class TestClass
 	{
 		if (a == 0) {
 			int b = 1;
-		} else if (a == 1 || a == 2) {
-		} else if (a == 3 || a == 4 || a == 5) {
-		} else {
 		}
+		else
+			if (a == 1 || a == 2) {
+			}
+			else
+				if (a == 3 || a == 4 || a == 5) {
+				}
+				else {
+				}
 	}
 }");
 		}

ICSharpCode.NRefactory.Tests/CSharp/CodeActions/MoveToOuterScopeTests.cs

@@ -88,7 +88,7 @@ class A
 	int i = 2;
 		while (true) {
 		int j = 3;
-	}
+		}
 ");
 		}
 		
@@ -116,10 +116,10 @@ class A
 	}
 ", @"
 	int j;
-		while (true) {
+	while (true) {
 		int i = 2;
 		j = i;
-	}
+		}
 ");
 		}
 		

ICSharpCode.NRefactory.Tests/CSharp/CodeActions/SplitDeclarationAndAssignmentTests.cs

@@ -101,6 +101,7 @@ namespace ICSharpCode.NRefactory.CSharp.CodeActions
 				"	{" + Environment.NewLine +
 				"		int i;" + Environment.NewLine +
 				"		for (i = 1; i < 10; i++) {" + Environment.NewLine +
+				"		" + Environment.NewLine +
 				"		}" + Environment.NewLine +
 				"	}" + Environment.NewLine +
 				"}", result);