private static string?GetNameOfInvokedExpression(ISyntaxFacts syntaxFacts, SyntaxNode invokedExpression)
{
if (syntaxFacts.IsSimpleMemberAccessExpression(invokedExpression))
{
return(syntaxFacts.GetIdentifierOfSimpleName(syntaxFacts.GetNameOfMemberAccessExpression(invokedExpression)).ValueText);
}
if (syntaxFacts.IsIdentifierName(invokedExpression))
{
return(syntaxFacts.GetIdentifierOfSimpleName(invokedExpression).ValueText);
}
return(null);
}
private static bool IsValidFormatMethod(ISyntaxFacts syntaxFacts, SyntaxNode expression)
{
// When calling string.Format(...), the expression will be MemberAccessExpressionSyntax
if (syntaxFacts.IsSimpleMemberAccessExpression(expression))
{
var nameOfMemberAccessExpression = syntaxFacts.GetNameOfMemberAccessExpression(expression);
return(!syntaxFacts.IsGenericName(nameOfMemberAccessExpression) &&
syntaxFacts.GetIdentifierOfSimpleName(nameOfMemberAccessExpression).ValueText
== (nameof(string.Format)));
}
// When using static System.String and calling Format(...), the expression will be
// IdentifierNameSyntax
if (syntaxFacts.IsIdentifierName(expression))
{
return(syntaxFacts.GetIdentifierOfSimpleName(expression).ValueText
== (nameof(string.Format)));
}
return(false);
}
protected static string?GetNameOfType(SyntaxNode?typeNode, ISyntaxFacts syntaxFacts)
{
if (syntaxFacts.IsQualifiedName(typeNode))
{
return(GetNameOfType(syntaxFacts.GetRightSideOfDot(typeNode), syntaxFacts));
}
else if (syntaxFacts.IsIdentifierName(typeNode))
{
return(syntaxFacts.GetIdentifierOfSimpleName(typeNode).ValueText);
}
return(null);
}
protected bool ValuePatternMatches(TExpressionSyntax expression)
{
if (_valuePattern.IsToken)
{
return(_syntaxFacts.IsIdentifierName(expression) &&
_syntaxFacts.AreEquivalent(
_valuePattern.AsToken(),
_syntaxFacts.GetIdentifierOfSimpleName(expression)));
}
else
{
return(_syntaxFacts.AreEquivalent(
_valuePattern.AsNode(), expression));
}
}
