internal static async Task <SyntaxNode> GetTransformedSyntaxRootAsync(ISyntaxFacts syntaxFacts, AbstractFileHeaderHelper fileHeaderHelper, SyntaxTrivia newLineTrivia, Document document, CancellationToken cancellationToken)
{
var tree = await document.GetRequiredSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
var root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false);
if (!document.Project.AnalyzerOptions.TryGetEditorConfigOption(CodeStyleOptions2.FileHeaderTemplate, tree, out string fileHeaderTemplate) ||
string.IsNullOrEmpty(fileHeaderTemplate))
{
// This exception would show up as a gold bar, but as indicated we do not believe this is reachable.
throw ExceptionUtilities.Unreachable;
}
var expectedFileHeader = fileHeaderTemplate.Replace("{fileName}", Path.GetFileName(document.FilePath));
var fileHeader = fileHeaderHelper.ParseFileHeader(root);
SyntaxNode newSyntaxRoot;
if (fileHeader.IsMissing)
{
newSyntaxRoot = AddHeader(syntaxFacts, fileHeaderHelper, newLineTrivia, root, expectedFileHeader);
}
else
{
newSyntaxRoot = ReplaceHeader(syntaxFacts, fileHeaderHelper, newLineTrivia, root, expectedFileHeader);
}
return(newSyntaxRoot);
}
internal static async Task <SyntaxNode> GetTransformedSyntaxRootAsync(ISyntaxFacts syntaxFacts, AbstractFileHeaderHelper fileHeaderHelper, SyntaxTrivia newLineTrivia, Document document, string?fileHeaderTemplate, CancellationToken cancellationToken)
{
var tree = await document.GetRequiredSyntaxTreeAsync(cancellationToken).ConfigureAwait(false);
var root = await tree.GetRootAsync(cancellationToken).ConfigureAwait(false);
// If we weren't given a header lets get the one from editorconfig
if (fileHeaderTemplate is null &&
!document.Project.AnalyzerOptions.AnalyzerConfigOptionsProvider.GetOptions(tree).TryGetEditorConfigOption(CodeStyleOptions2.FileHeaderTemplate, out fileHeaderTemplate))
{
// No header supplied, no editorconfig setting, nothing to do
return(root);
}
if (RoslynString.IsNullOrEmpty(fileHeaderTemplate))
{
// Header template is empty, nothing to do. This shouldn't be possible if this method is called in
// reaction to a diagnostic, but this method is also used when creating new documents so lets be defensive.
return(root);
}
var expectedFileHeader = fileHeaderTemplate.Replace("{fileName}", Path.GetFileName(document.FilePath));
var fileHeader = fileHeaderHelper.ParseFileHeader(root);
SyntaxNode newSyntaxRoot;
if (fileHeader.IsMissing)
{
newSyntaxRoot = AddHeader(syntaxFacts, fileHeaderHelper, newLineTrivia, root, expectedFileHeader);
}
else
{
newSyntaxRoot = ReplaceHeader(syntaxFacts, fileHeaderHelper, newLineTrivia, root, expectedFileHeader);
}
return(newSyntaxRoot);
}