public static bool TryGetName(this Link link, out string str)
{
// Защита от зацикливания
if (!_linksWithNamesGatheringProcess.Add(link))
{
str = "...";
return(true);
}
try
{
if (link != null)
{
if (link.Linker == Net.And)
{
str = SequenceHelpers.FormatSequence(link);
return(true);
}
else if (link.IsGroup())
{
str = LinkConverter.ToString(LinkConverter.ToList(link.Target));
return(true);
}
else if (link.IsChar())
{
str = LinkConverter.ToChar(link).ToString();
return(true);
}
else if (link.TryGetSpecificName(out str))
{
return(true);
}
if (link.Source == link || link.Linker == link || link.Target == link)
{
return(false);
}
if (link.Source.TryGetName(out string sourceName) && link.Linker.TryGetName(out string linkerName) && link.Target.TryGetName(out string targetName))
{
var sb = new StringBuilder();
sb.Append(sourceName).Append(' ').Append(linkerName).Append(' ').Append(targetName);
str = sb.ToString();
return(true);
}
}
str = null;
return(false);
}
finally
{
_linksWithNamesGatheringProcess.Remove(link);
}
}