static string GetImportsFromTrivia(SyntaxTriviaList triviaList)
{
return triviaList
.Where(trivia => trivia.IsKind(SyntaxKind.MultiLineCommentTrivia) || trivia.IsKind(SyntaxKind.SingleLineCommentTrivia))
.Select(trivia => trivia.ToString().TrimStart('/', '*').Trim())
.Where(comment => comment.StartsWith("import"))
.Aggregate("", (current, comment) => current + (comment + ConvertToSwift.NewLine));
}
private SyntaxTriviaList RemoveRegions(SyntaxTriviaList oldTriviaList)
{
return SyntaxFactory.TriviaList(oldTriviaList
.Where(trivia => trivia.Kind() != SyntaxKind.RegionDirectiveTrivia &&
trivia.Kind() != SyntaxKind.EndRegionDirectiveTrivia));
}
public static SyntaxTrivia?GetLastCommentOrWhitespace(this SyntaxTriviaList triviaList)
{
return(triviaList
.Where(t => t.MatchesKind(SyntaxKind.SingleLineCommentTrivia, SyntaxKind.MultiLineCommentTrivia, SyntaxKind.WhitespaceTrivia))
.LastOrNullable());
}
public static SyntaxTrivia?GetLastComment(this SyntaxTriviaList triviaList)
{
return(triviaList
.Where(t => t.IsRegularComment())
.LastOrNullable());
}
public static SyntaxTrivia?GetFirstNewLine(this SyntaxTriviaList triviaList)
{
return(triviaList
.Where(t => t.Kind() == SyntaxKind.EndOfLineTrivia)
.FirstOrNullable());
}
public static SyntaxTriviaList WithoutWhitespaceTrivia(this SyntaxTriviaList triviaList)
{
return(new SyntaxTriviaList().AddRange(triviaList.Where(t => !t.IsWhitespaceTrivia())));
}
/// <summary>
/// return only skipped tokens
/// </summary>
private static IEnumerable <SyntaxToken> GetSkippedTokens(SyntaxTriviaList list)
{
return(list.Where(trivia => trivia.RawKind == (int)SyntaxKind.SkippedTokensTrivia)
.SelectMany(t => ((SkippedTokensTriviaSyntax)t.GetStructure()).Tokens));
}
public static SyntaxTriviaList ExcludeDirectivies(this SyntaxTriviaList list)
{
return(SyntaxFactory.TriviaList(list.Where(t => !t.IsDirective)));
}
public static List <string> ToList(SyntaxTriviaList trivias) => trivias.Where(Filter).Select(ExtractText).ToList();