/// <summary>
/// Block statements must not contain embedded regions.
/// </summary>
/// <param name="node">
/// The node to process.
/// </param>
private void BlockStatementsMustNotContainEmbeddedRegions(ITreeNode node)
{
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is ITokenNode)
{
ITokenNode tokenNode = currentNode as ITokenNode;
if (tokenNode.GetTokenType() == CSharpTokenType.LBRACE)
{
ITokenNode previousTokenNode = Utils.GetFirstNonWhitespaceTokenToLeft(tokenNode);
ITokenNode previousTokenNode2 = previousTokenNode.GetPrevToken();
if (previousTokenNode.GetTokenType() == CSharpTokenType.PP_MESSAGE && previousTokenNode2.GetTokenType() == CSharpTokenType.PP_START_REGION)
{
IStartRegion startRegionNode = previousTokenNode.GetContainingNode <IStartRegion>(true);
if (startRegionNode != null)
{
MoveRegionInsideNextOpenCurlyBracket(startRegionNode);
}
}
}
}
if (currentNode.FirstChild != null)
{
this.BlockStatementsMustNotContainEmbeddedRegions(currentNode.FirstChild);
}
}
}
/// <summary>
/// The code must not contain multiple whitespace in a row.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
public static void CodeMustNotContainMultipleWhitespaceInARow(ITreeNode node)
{
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is ITokenNode)
{
ITokenNode currentToken = currentNode as ITokenNode;
ITokenNode previousToken = currentToken.GetPrevToken();
if (previousToken != null)
{
if (currentToken.GetTokenType() == CSharpTokenType.WHITE_SPACE && previousToken.GetTokenType() == CSharpTokenType.WHITE_SPACE)
{
using (WriteLockCookie.Create(true))
{
LowLevelModificationUtil.DeleteChild(currentToken);
}
}
}
}
if (currentNode.FirstChild != null)
{
CodeMustNotContainMultipleWhitespaceInARow(currentNode.FirstChild);
}
}
}
/// <summary>
/// Element documentation headers must be preceded by blank line.
/// </summary>
/// <param name="node">
/// The node.
/// </param>
private void ElementDocumentationHeadersMustBePrecededByBlankLine(ITreeNode node)
{
// go back to first new line to the left
// thisnew line must be immeidately preceded by a new line and if not insert one
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is IDocCommentNode)
{
ITokenNode token = currentNode as ITokenNode;
ITokenNode firstNewLineToLeft = Utils.GetFirstNewLineTokenToLeft(token);
if (firstNewLineToLeft != null)
{
ITokenNode tokenBeforeNewLine = firstNewLineToLeft.GetPrevToken();
// if we're the start of a code block then don't insert a new line.
if (!tokenBeforeNewLine.IsNewLine() && tokenBeforeNewLine.GetTokenType() != CSharpTokenType.LBRACE &&
tokenBeforeNewLine.GetTokenType() != CSharpTokenType.END_OF_LINE_COMMENT)
{
firstNewLineToLeft.GetNextToken().InsertNewLineBefore();
}
}
}
if (currentNode.FirstChild != null)
{
this.ElementDocumentationHeadersMustBePrecededByBlankLine(currentNode.FirstChild);
}
}
}
/// <summary>
/// Commas must be spaced correctly.
/// </summary>
/// <param name="node">
/// The node to use.
/// </param>
public void EqualsMustBeSpacedCorrectly(ITreeNode node)
{
List <TokenNodeType> tokensThatCanBeLeftSideOfEquals = new List <TokenNodeType>
{
CSharpTokenType.WHITE_SPACE,
CSharpTokenType.NE,
CSharpTokenType.LT,
CSharpTokenType.GT
};
const string WhiteSpace = " ";
for (ITreeNode currentNode = node; currentNode != null; currentNode = currentNode.NextSibling)
{
if (currentNode is ITokenNode)
{
ITokenNode tokenNode = currentNode as ITokenNode;
if (tokenNode.GetTokenType() == CSharpTokenType.EQ)
{
ITokenNode nextToken = tokenNode.GetNextToken();
ITokenNode previousToken = tokenNode.GetPrevToken();
if (!nextToken.IsWhitespace())
{
using (WriteLockCookie.Create(true))
{
// insert a space
LeafElementBase leafElement = TreeElementFactory.CreateLeafElement(
CSharpTokenType.WHITE_SPACE, new JetBrains.Text.StringBuffer(WhiteSpace), 0, WhiteSpace.Length);
LowLevelModificationUtil.AddChildBefore(nextToken, new ITreeNode[] { leafElement });
}
}
if (!tokensThatCanBeLeftSideOfEquals.Contains(previousToken.GetTokenType()))
{
using (WriteLockCookie.Create(true))
{
// insert a space
LeafElementBase leafElement = TreeElementFactory.CreateLeafElement(
CSharpTokenType.WHITE_SPACE, new JetBrains.Text.StringBuffer(WhiteSpace), 0, WhiteSpace.Length);
LowLevelModificationUtil.AddChildBefore(tokenNode, new ITreeNode[] { leafElement });
}
}
}
}
if (currentNode.FirstChild != null)
{
this.EqualsMustBeSpacedCorrectly(currentNode.FirstChild);
}
}
}
/// <summary>
/// Remove line if previous tokens are new lines.
/// </summary>
/// <param name="tokenNode">
/// The token node.
/// </param>
private static void RemoveLineIfPreviousTokensAreNewLines(ITokenNode tokenNode)
{
// first prev token will be whitespace padding out the line
ITokenNode prevToken1 = tokenNode.GetPrevToken();
ITokenNode prevToken2 = prevToken1.GetPrevToken();
ITokenNode prevToken3 = prevToken2.GetPrevToken();
IWhitespaceNode prevToken2WhiteSpaceNode = prevToken2 as IWhitespaceNode;
IWhitespaceNode prevToken3WhiteSpaceNode = prevToken3 as IWhitespaceNode;
if (prevToken2WhiteSpaceNode != null && prevToken2WhiteSpaceNode.IsNewLine && prevToken3WhiteSpaceNode != null && prevToken3WhiteSpaceNode.IsNewLine)
{
Utils.RemoveNewLineBefore(tokenNode);
}
}
/// <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(IStartRegion 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();
IEndRegion endRegionNode = startRegionNode.EndRegion;
IStartRegion newStartRegion = startRegionNode.Copy(null);
ITokenNode firstNonWhitespaceAfterBracket = Utils.GetFirstNonWhitespaceTokenToRight(newLocationTokenNode);
LowLevelModificationUtil.AddChildBefore(firstNonWhitespaceAfterBracket, new[] { newStartRegion });
newStartRegion.InsertNewLineAfter();
LowLevelModificationUtil.DeleteChildRange(startOfTokensToDelete, endOfTokensToDelete);
IStartRegion endOfTokensToFormat = newStartRegion;
if (endRegionNode != null)
{
startOfTokensToDelete = Utils.GetFirstNewLineTokenToLeft(endRegionNode.NumberSign);
endOfTokensToDelete = Utils.GetFirstNewLineTokenToRight(endRegionNode.NumberSign);
IEndRegion newEndRegionNode = endRegionNode.Copy(null);
ITokenNode newLineToken = Utils.GetFirstNonWhitespaceTokenToLeft(endRegionNode.NumberSign);
LowLevelModificationUtil.AddChildBefore(newLineToken, new[] { newEndRegionNode });
newEndRegionNode.InsertNewLineAfter();
LowLevelModificationUtil.DeleteChildRange(startOfTokensToDelete, endOfTokensToDelete);
endOfTokensToFormat = (IStartRegion)newLineToken;
}
////CSharpFormatterHelper.FormatterInstance.Format(startOfTokensToFormat, endOfTokensToFormat);
ICSharpCodeFormatter codeFormatter = (ICSharpCodeFormatter)CSharpLanguage.Instance.LanguageService().CodeFormatter;
codeFormatter.Format(startOfTokensToFormat, endOfTokensToFormat);
}
}
/// <summary>
/// Moves the comment token specified after the next available non whitespace char (normally an open curly bracket).
/// </summary>
/// <param name="commentTokenNode">
/// The comment token to move.
/// </param>
public static void MoveCommentInsideNextOpenCurlyBracket(ITokenNode commentTokenNode)
{
using (WriteLockCookie.Create(true))
{
// move comment inside block curly bracket here
// we copy it, then insert it and then delete the copied one
ITokenNode startOfTokensToDelete = Utils.GetFirstNonWhitespaceTokenToLeft(commentTokenNode).GetNextToken();
ITokenNode endOfTokensToDelete = Utils.GetFirstNewLineTokenToRight(commentTokenNode);
ITokenNode startOfTokensToFormat = startOfTokensToDelete.GetPrevToken();
ITokenNode openCurlyBracketTokenNode = Utils.GetFirstNonWhitespaceTokenToRight(commentTokenNode);
ITokenNode newCommentTokenNode = commentTokenNode.Copy(null);
ITokenNode tokenNodeToInsertAfter = Utils.GetFirstNewLineTokenToRight(openCurlyBracketTokenNode);
LowLevelModificationUtil.AddChildAfter(tokenNodeToInsertAfter, new[] { newCommentTokenNode });
LowLevelModificationUtil.AddChildAfter(newCommentTokenNode, newCommentTokenNode.InsertNewLineAfter());
DeleteChildRange(startOfTokensToDelete, endOfTokensToDelete);
ITokenNode endOfTokensToFormat = newCommentTokenNode;
CSharpFormatterHelper.FormatterInstance.Format(startOfTokensToFormat, endOfTokensToFormat);
}
}
/// <summary>
/// Gets the first non-whitespace token that occurs before the token passed in.
/// </summary>
/// <param name="tokenNode">
/// The TokenNode to start at.
/// </param>
/// <returns>
/// The first non-whitespace token.
/// </returns>
public static ITokenNode GetFirstNonWhitespaceTokenToLeft(ITokenNode tokenNode)
{
ITokenNode currentToken = tokenNode.GetPrevToken();
while (currentToken != null && currentToken.IsWhitespace())
{
currentToken = currentToken.GetPrevToken();
}
return currentToken;
}
/// <summary>
/// Gets the first non-whitespace token that occurs before the token passed in.
/// </summary>
/// <param name="tokenNode">
/// The TokenNode to start at.
/// </param>
/// <returns>
/// The first non-whitespace token.
/// </returns>
public static ITokenNode GetFirstNewLineTokenToLeft(ITokenNode tokenNode)
{
ITokenNode currentToken = tokenNode.GetPrevToken();
while (!currentToken.IsNewLine() && currentToken != null)
{
currentToken = currentToken.GetPrevToken();
}
return currentToken;
}
/// <summary>
/// True if the token is preceded on the same line by a non-whitespace token.
/// </summary>
/// <param name="tokenNode">
/// THe token to start at.
/// </param>
/// <returns>
/// True or false.
/// </returns>
public static bool TokenHasNonWhitespaceTokenToLeftOnSameLine(ITokenNode tokenNode)
{
ITokenNode currentToken = tokenNode.GetPrevToken();
if (currentToken == null)
{
return false;
}
while (currentToken.IsWhitespace() && !currentToken.IsNewLine() && currentToken != null)
{
currentToken = currentToken.GetPrevToken();
}
return currentToken != null && !currentToken.IsNewLine();
}
/// <summary>
/// Remove line if previous tokens are new lines.
/// </summary>
/// <param name="tokenNode">
/// The token node.
/// </param>
private static void RemoveLineIfPreviousTokensAreNewLines(ITokenNode tokenNode)
{
// first prev token will be whitespace padding out the line
ITokenNode prevToken1 = tokenNode.GetPrevToken();
ITokenNode prevToken2 = prevToken1.GetPrevToken();
ITokenNode prevToken3 = prevToken2.GetPrevToken();
IWhitespaceNode prevToken2WhiteSpaceNode = prevToken2 as IWhitespaceNode;
IWhitespaceNode prevToken3WhiteSpaceNode = prevToken3 as IWhitespaceNode;
if (prevToken2WhiteSpaceNode != null && prevToken2WhiteSpaceNode.IsNewLine && prevToken3WhiteSpaceNode != null && prevToken3WhiteSpaceNode.IsNewLine)
{
Utils.RemoveNewLineBefore(tokenNode);
}
}
