public static string GetChildFormatSpecifier(string formatSpecifier,
IRemoteValueFormat valueFormat)
{
formatSpecifier = Clean(formatSpecifier);
if (!TrySplitSpecifier(formatSpecifier, out string size, out string raw,
out string baseSpecifier))
{
// If we do not have the plain base formatter, let us inherit 'view' and
// inheritable raw formatter (we ignore 'expand' as it is not inherited).
raw = formatSpecifier.StartsWith(InheritableRawFormatSpecifier)
? InheritableRawFormatSpecifier
: "";
baseSpecifier = RemoveRawFormatSpecifierPrefix(formatSpecifier);
if (string.IsNullOrEmpty(NatvisViewsUtil.ParseViewFormatSpecifier(baseSpecifier)))
{
baseSpecifier = "";
}
return(raw + baseSpecifier);
}
// Remove the non-inheritable ! specifier.
if (raw == RawFormatSpecifier)
{
raw = "";
}
// Let the valueFormat decide whether to inherit the type. Note: Some types are not
// represented as IRemoteValueFormat, e.g "na". These are not inherited, though.
if (!valueFormat.ShouldInheritFormatSpecifier())
{
baseSpecifier = "";
}
return($"{raw}{baseSpecifier}");
}
/// <summary>
/// Returns true if |formatSpecifier| is a valid format specifier, i.e. if it's handled
/// by some base formatter (possibly with size and raw specifiers) or if it's a misc other
/// format specifier like "view(foo)" that maps to RemoteValueFormat.Default.
/// </summary>
public static bool IsValidFormat(string formatSpecifier)
{
// TODO We should support more combinations of formatters, e.g.,
// size specifier can be combined with 'view', etc.
// Pass a dummy size to correctly resolve the case when size specifier is an expression.
return(ParseFormat(formatSpecifier, 0U) != null ||
ExpandFormatSpecifierUtil.TryParseExpandFormatSpecifier(formatSpecifier,
out _) ||
!string.IsNullOrEmpty(NatvisViewsUtil.ParseViewFormatSpecifier(formatSpecifier)));
}