private void DoTestAddInsertRemoveReplaceOnEmptyList(SyntaxTriviaList list)
{
Assert.Equal(0, list.Count);
var triviaD = SyntaxFactory.ParseLeadingTrivia("/*D*/")[0];
var triviaE = SyntaxFactory.ParseLeadingTrivia("/*E*/")[0];
var newList = list.Add(triviaD);
Assert.Equal(1, newList.Count);
Assert.Equal("/*D*/", newList.ToFullString());
newList = list.AddRange(new[] { triviaD, triviaE });
Assert.Equal(2, newList.Count);
Assert.Equal("/*D*//*E*/", newList.ToFullString());
newList = list.Insert(0, triviaD);
Assert.Equal(1, newList.Count);
Assert.Equal("/*D*/", newList.ToFullString());
newList = list.InsertRange(0, new[] { triviaD, triviaE });
Assert.Equal(2, newList.Count);
Assert.Equal("/*D*//*E*/", newList.ToFullString());
newList = list.Remove(triviaD);
Assert.Equal(0, newList.Count);
Assert.Equal(-1, list.IndexOf(triviaD));
Assert.Throws <ArgumentOutOfRangeException>(() => list.RemoveAt(0));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(1, triviaD));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(-1, triviaD));
Assert.Throws <ArgumentOutOfRangeException>(
() => list.InsertRange(1, new[] { triviaD })
);
Assert.Throws <ArgumentOutOfRangeException>(
() => list.InsertRange(-1, new[] { triviaD })
);
Assert.Throws <ArgumentOutOfRangeException>(() => list.Replace(triviaD, triviaE));
Assert.Throws <ArgumentOutOfRangeException>(
() => list.ReplaceRange(triviaD, new[] { triviaE })
);
Assert.Throws <ArgumentOutOfRangeException>(() => list.Add(default(SyntaxTrivia)));
Assert.Throws <ArgumentOutOfRangeException>(() => list.Insert(0, default(SyntaxTrivia)));
Assert.Throws <ArgumentNullException>(
() => list.AddRange((IEnumerable <SyntaxTrivia>)null)
);
Assert.Throws <ArgumentNullException>(
() => list.InsertRange(0, (IEnumerable <SyntaxTrivia>)null)
);
}
SyntaxTriviaList Insert_Space_Before_Comment_Text(SyntaxTriviaList syntaxTrivias, SyntaxTrivia currentTrivia)
{
if (CheckOption((int)CleanupTypes.Insert_Space_Before_Comment_Text))
{
if (currentTrivia.IsKind(SyntaxKind.SingleLineCommentTrivia))
{
var commentText = currentTrivia.ToFullString().Trim();
if (commentText.Length > 2 && commentText[2] != ' ')
{
commentText = $"{commentText.Substring(0, 2)} {commentText.Substring(2)}";
syntaxTrivias = syntaxTrivias.Replace(currentTrivia, SyntaxFactory.Comment(commentText));
}
}
}
return(syntaxTrivias);
}
public static SyntaxTriviaList ReplaceAt(this SyntaxTriviaList triviaList, int index, SyntaxTrivia newTrivia)
{
return(triviaList.Replace(triviaList[index], newTrivia));
}
protected SyntaxTriviaList ProcessSpecialTrivias(SyntaxTriviaList syntaxTrivias, bool itsForCloseBrace)
{
if (CheckShortSyntax(syntaxTrivias, itsForCloseBrace))
{
return(syntaxTrivias);
}
var specialTriviasCount = syntaxTrivias.Count(t => !t.IsKind(SyntaxKind.EndOfLineTrivia) && !t.IsKind(SyntaxKind.WhitespaceTrivia));
var outputTriviasList = new List <SyntaxTrivia>();
var specialTiviasCount = 0;
var bAddedBlankLine = false;
for (var i = 0; i < syntaxTrivias.Count; i++)
{
var countOfChars = 0;
if (specialTiviasCount == specialTriviasCount)
{
if (itsForCloseBrace)
{
i += RemoveBlankDuplication(syntaxTrivias, SyntaxKind.EndOfLineTrivia, i) + 1;
if (RemoveBlankDuplication(syntaxTrivias, SyntaxKind.WhitespaceTrivia, i) != -1)
{
outputTriviasList.Add(syntaxTrivias[i]);
}
i = syntaxTrivias.Count;
continue;
}
}
if
(
(
syntaxTrivias[i].IsKind(SyntaxKind.EndOfLineTrivia) ||
syntaxTrivias[i].IsKind(SyntaxKind.WhitespaceTrivia) ||
syntaxTrivias[i].IsKind(SyntaxKind.SingleLineCommentTrivia) ||
syntaxTrivias[i].IsKind(SyntaxKind.MultiLineCommentTrivia)
) == false
)
{
outputTriviasList.Add(syntaxTrivias[i]);
specialTiviasCount++;
continue;
}
if (syntaxTrivias[i].IsKind(SyntaxKind.SingleLineCommentTrivia) || syntaxTrivias[i].IsKind(SyntaxKind.MultiLineCommentTrivia))
{
if (syntaxTrivias[i].IsKind(SyntaxKind.SingleLineCommentTrivia))
{
var commentText = syntaxTrivias[i].ToFullString().Trim();
if (commentText.Length > 2 && commentText[2] != ' ')
{
commentText = $"{commentText.Substring(0, 2)} {commentText.Substring(2)}";
}
syntaxTrivias = syntaxTrivias.Replace(syntaxTrivias[i], SyntaxFactory.Comment(commentText));
}
outputTriviasList.Add(syntaxTrivias[i]);
i++;
if (i < syntaxTrivias.Count && syntaxTrivias[i].IsKind(SyntaxKind.EndOfLineTrivia))
{
outputTriviasList.Add(syntaxTrivias[i]);
}
specialTiviasCount++;
continue;
}
if ((countOfChars = RemoveBlankDuplication(syntaxTrivias, SyntaxKind.EndOfLineTrivia, i)) != -1)
{
outputTriviasList.Add(syntaxTrivias[i]);
i += countOfChars + 1;
bAddedBlankLine = true;
}
if ((countOfChars = RemoveBlankDuplication(syntaxTrivias, SyntaxKind.WhitespaceTrivia, i)) != -1)
{
outputTriviasList.Add(syntaxTrivias[i]);
i += countOfChars;
}
else if (bAddedBlankLine)
{
i--;
}
bAddedBlankLine = false;
}
return(outputTriviasList.ToSyntaxTriviaList());
}
private static SyntaxNode ReplaceWellFormedMultiLineCommentHeader(Document document, SyntaxNode root, StyleCopSettings settings, int commentIndex, XmlFileHeader header)
{
SyntaxTriviaList trivia = root.GetLeadingTrivia();
var commentTrivia = trivia[commentIndex];
// Is the comment pushed in by a prefix?
var commentIndentation = string.Empty;
if (commentIndex > 0)
{
var prefixTrivia = trivia[commentIndex - 1];
if (prefixTrivia.IsKind(SyntaxKind.WhitespaceTrivia))
{
commentIndentation = prefixTrivia.ToFullString();
}
}
var triviaString = commentTrivia.ToFullString();
var startIndex = triviaString.IndexOf("/*", StringComparison.Ordinal) + 2;
var endIndex = triviaString.LastIndexOf("*/", StringComparison.Ordinal);
var commentContext = triviaString.Substring(startIndex, endIndex - startIndex).Trim(' ', '\t').TrimEnd();
var triviaStringParts = commentContext.Replace("\r\n", "\n").Split('\n');
// Assume we have comments that have a leading *
string interlinePadding = " *";
int minExpectedLength = (commentIndentation + interlinePadding).Length;
string newLineText = document.Project.Solution.Workspace.Options.GetOption(FormattingOptions.NewLine, LanguageNames.CSharp);
// Examine second line to see if we should have stars or not if it's blank
// set the interline padding to be blank also.
if ((triviaStringParts.Length > 2) &&
(triviaStringParts[1].Length > minExpectedLength) &&
string.IsNullOrWhiteSpace(triviaStringParts[1].Substring(0, minExpectedLength)))
{
interlinePadding = " ";
}
// Pad line that used to be next to a /*
triviaStringParts[0] = commentIndentation + interlinePadding + " " + triviaStringParts[0];
StringBuilder sb = StringBuilderPool.Allocate();
string fileName = GetFileName(document);
var copyrightText = GetCopyrightText(commentIndentation + interlinePadding, settings.DocumentationRules.GetCopyrightText(fileName), newLineText);
var newHeader = WrapInXmlComment(commentIndentation + interlinePadding, copyrightText, fileName, settings, newLineText);
sb.Append(commentIndentation);
sb.Append("/*");
if (header.GetElement("copyright") == null)
{
// No copyright element at the moment so add us.
sb.Append(newHeader.Substring(minExpectedLength));
sb.Append(newLineText);
// Append the original stuff
foreach (var oldLine in triviaStringParts)
{
sb.Append(oldLine.TrimEnd());
sb.Append(newLineText);
}
}
else
{
bool firstLine = true;
bool inCopyright = false;
foreach (var oldLine in triviaStringParts)
{
var openingTag = oldLine.Contains("<copyright ");
var closingTag = oldLine.Contains("</copyright>") ||
(openingTag && oldLine.Trim().EndsWith("/>"));
if (openingTag)
{
inCopyright = !closingTag;
sb.Append(newHeader.Substring(firstLine ? minExpectedLength : 0));
sb.Append(newLineText);
}
if (inCopyright)
{
inCopyright = !closingTag;
}
else
{
sb.Append(oldLine.Substring(firstLine ? minExpectedLength : 0));
sb.Append(newLineText);
}
firstLine = false;
}
}
sb.Append(commentIndentation);
sb.Append(" */");
// Get rid of any trailing spaces.
var lines = sb.ToString().Split(new string[] { newLineText }, StringSplitOptions.None);
sb.Clear();
for (int i = 0; i < lines.Length; i++)
{
sb.Append((i == 0 ? string.Empty : newLineText) + lines[i].TrimEnd());
}
var newTrivia = SyntaxFactory.SyntaxTrivia(SyntaxKind.MultiLineCommentTrivia, StringBuilderPool.ReturnAndFree(sb));
return(root.WithLeadingTrivia(trivia.Replace(commentTrivia, newTrivia)));
}
private void DoTestAddInsertRemoveReplaceOnEmptyList(SyntaxTriviaList list)
{
Assert.Equal(0, list.Count);
var triviaD = SyntaxFactory.ParseLeadingTrivia("/*D*/")[0];
var triviaE = SyntaxFactory.ParseLeadingTrivia("/*E*/")[0];
var newList = list.Add(triviaD);
Assert.Equal(1, newList.Count);
Assert.Equal("/*D*/", newList.ToFullString());
newList = list.AddRange(new[] { triviaD, triviaE });
Assert.Equal(2, newList.Count);
Assert.Equal("/*D*//*E*/", newList.ToFullString());
newList = list.Insert(0, triviaD);
Assert.Equal(1, newList.Count);
Assert.Equal("/*D*/", newList.ToFullString());
newList = list.InsertRange(0, new[] { triviaD, triviaE });
Assert.Equal(2, newList.Count);
Assert.Equal("/*D*//*E*/", newList.ToFullString());
newList = list.Remove(triviaD);
Assert.Equal(0, newList.Count);
Assert.Equal(-1, list.IndexOf(triviaD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.RemoveAt(0));
Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(1, triviaD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.Insert(-1, triviaD));
Assert.Throws<ArgumentOutOfRangeException>(() => list.InsertRange(1, new[] { triviaD }));
Assert.Throws<ArgumentOutOfRangeException>(() => list.InsertRange(-1, new[] { triviaD }));
Assert.Throws<ArgumentException>(() => list.Replace(triviaD, triviaE));
Assert.Throws<ArgumentException>(() => list.ReplaceRange(triviaD, new[] { triviaE }));
Assert.Throws<ArgumentException>(() => list.Add(default(SyntaxTrivia)));
Assert.Throws<ArgumentException>(() => list.Insert(0, default(SyntaxTrivia)));
Assert.Throws<ArgumentNullException>(() => list.AddRange((IEnumerable<SyntaxTrivia>)null));
Assert.Throws<ArgumentNullException>(() => list.InsertRange(0, (IEnumerable<SyntaxTrivia>)null));
}