public static bool TryFindArgumentFiltersWithin(Expression expression, out ArgumentFilterCollection argumentFilters)
{
Debug.Assert(expression != null);
var visitor = new ArgumentFiltersVisitor();
try
{
visitor.Visit(expression);
argumentFilters = visitor.argumentFilters;
return(argumentFilters != null && argumentFilters.All(x => x != null));
}
catch (Exception)
{
}
argumentFilters = null;
return(false);
}
public static bool TryFindArgumentFiltersWithin(Expression expression, out ArgumentFilterCollection argumentFilters)
{
Debug.Assert(expression != null);
var visitor = new ArgumentFiltersVisitor();
try
{
visitor.Visit(expression);
argumentFilters = visitor.argumentFilters;
return argumentFilters != null && argumentFilters.All(x => x != null);
}
catch (Exception)
{
}
argumentFilters = null;
return false;
}
protected override Expression VisitMethodCall(MethodCallExpression node)
{
this.stringBuilder.Append(node.Method.Name).Append("(");
ArgumentFilterCollection argumentFilters;
if (ArgumentFiltersVisitor.TryFindArgumentFiltersWithin(node, out argumentFilters))
{
for (var i = 0; i < argumentFilters.Count; ++i)
{
if (i > 0)
{
this.stringBuilder.Append(", ");
}
this.stringBuilder.Append(argumentFilters[i].ToString());
}
}
this.stringBuilder.Append(")");
return(node);
}
