static public bool TryGetName(this Link link, out string str)
{
if (!LinksWithNamesGatheringProcess.Add(link))
{
str = "...";
return(true);
}
else
{
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 (TryGetSpecificName(link, out str))
{
return(true);
}
if (link.Source == link || link.Linker == link || link.Target == link)
{
return(false);
}
string sourceName, linkerName, targetName;
if (TryGetName(link.Source, out sourceName) && TryGetName(link.Linker, out linkerName) && TryGetName(link.Target, out 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);
}
}
}
static public bool TryGetSpecificName(this Link link, out string name)
{
string nameLocal = null;
if (Net.Name.ReferersBySourceCount < link.ReferersBySourceCount)
{
Net.Name.WalkThroughReferersBySource(referer =>
{
if (referer.Linker == Net.ThatIsRepresentedBy)
{
if (Link.Exists(link, Net.Has, referer))
{
nameLocal = LinkConverter.ToString(referer.Target);
return(false); // Останавливаем проход
}
}
return(true);
});
}
else
{
link.WalkThroughReferersBySource(referer =>
{
if (referer.Linker == Net.Has)
{
Link nameLink = referer.Target;
if (nameLink.Source == Net.Name && nameLink.Linker == Net.ThatIsRepresentedBy)
{
nameLocal = LinkConverter.ToString(nameLink.Target);
return(false); // Останавливаем проход
}
}
return(true);
});
}
name = nameLocal;
return(nameLocal != null);
}