/// <summary>
/// Do not place regions within elements.
/// </summary>
/// <param name="node">
/// The node to process.
/// </param>
private void DoNotPlaceRegionsWithinElements(ITreeNode node)
{
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is ITokenNode)
{
ITokenNode tokenNode = currentNode as ITokenNode;
if (tokenNode.GetTokenType() == CSharpTokenType.PP_START_REGION)
{
IStartRegionNode startRegionNode = tokenNode.GetContainingElement <IStartRegionNode>(true);
if (startRegionNode != null)
{
if (startRegionNode.Parent is IBlock)
{
// we're in a block so remove the end and start region
IEndRegionNode endRegionNode = startRegionNode.EndRegion;
using (WriteLockCookie.Create(true))
{
LowLevelModificationUtil.DeleteChild(endRegionNode);
LowLevelModificationUtil.DeleteChild(startRegionNode);
}
}
}
}
}
if (currentNode.FirstChild != null)
{
this.DoNotPlaceRegionsWithinElements(currentNode.FirstChild);
}
}
}
/// <summary>
/// Moves the IStartRegion specified inside the next open curly bracket and moves the corresponding end region inside too.
/// </summary>
/// <param name="startRegionNode">
/// The node to move.
/// </param>
public static void MoveRegionInsideNextOpenCurlyBracket(IStartRegionNode startRegionNode)
{
using (WriteLockCookie.Create(true))
{
ITokenNode newLocationTokenNode = Utils.GetFirstNonWhitespaceTokenToRight(startRegionNode.Message);
// if its a start region there is probably a corresponding end region
// find it, and move it inside the block
// find the position to delete from
ITokenNode startOfTokensToDelete = Utils.GetFirstNewLineTokenToLeft(startRegionNode.NumberSign);
ITokenNode endOfTokensToDelete = Utils.GetFirstNewLineTokenToRight(startRegionNode.Message);
ITokenNode startOfTokensToFormat = startOfTokensToDelete.GetPrevToken();
IEndRegionNode endRegionNode = startRegionNode.EndRegion;
IStartRegionNode newStartRegionNode = startRegionNode.CopyElement(null);
ITokenNode firstNonWhitespaceAfterBracket = Utils.GetFirstNonWhitespaceTokenToRight(newLocationTokenNode);
LowLevelModificationUtil.AddChildBefore(firstNonWhitespaceAfterBracket, new[] { newStartRegionNode });
newStartRegionNode.ToTreeNode().InsertNewLineAfter();
LowLevelModificationUtil.DeleteChildRange(startOfTokensToDelete, endOfTokensToDelete);
IElement endOfTokensToFormat = (IElement)newStartRegionNode;
if (endRegionNode != null)
{
startOfTokensToDelete = Utils.GetFirstNewLineTokenToLeft(endRegionNode.NumberSign);
endOfTokensToDelete = Utils.GetFirstNewLineTokenToRight(endRegionNode.NumberSign);
IEndRegionNode newEndRegionNode = endRegionNode.CopyElement(null);
ITokenNode newLineToken = Utils.GetFirstNonWhitespaceTokenToLeft(endRegionNode.NumberSign);
LowLevelModificationUtil.AddChildBefore(newLineToken, new[] { newEndRegionNode });
newEndRegionNode.InsertNewLineAfter();
LowLevelModificationUtil.DeleteChildRange(startOfTokensToDelete, endOfTokensToDelete);
endOfTokensToFormat = newLineToken;
}
CSharpFormatterHelper.FormatterInstance.Format(startOfTokensToFormat, endOfTokensToFormat);
}
}
private void CodeMustNotContainEmptyRegions(ITreeNode node)
{
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is ITokenNode)
{
ITokenNode tokenNode = currentNode as ITokenNode;
if (tokenNode.GetTokenType() == CSharpTokenType.PP_START_REGION)
{
IStartRegionNode startRegionNode = tokenNode.GetContainingElement <IStartRegionNode>(true);
IEndRegionNode endRegion = startRegionNode.EndRegion;
if (endRegion != null)
{
ITokenNode previousTokenNode = Utils.GetFirstNonWhitespaceTokenToLeft(endRegion.NumberSign);
IStartRegionNode a = previousTokenNode.GetContainingElement <IStartRegionNode>(true);
if (a != null && a.Equals(startRegionNode))
{
using (WriteLockCookie.Create(true))
{
ModificationUtil.DeleteChild(startRegionNode);
ModificationUtil.DeleteChild(endRegion);
}
}
}
}
}
if (currentNode.FirstChild != null)
{
this.CodeMustNotContainEmptyRegions(currentNode.FirstChild);
}
}
}
