Beispiel #1
0
        public static string FormatStructure(this ILinks <ulong> links, ulong linkIndex, Func <Link <ulong>, bool> isElement, Action <StringBuilder, Link <ulong> > appendElement, bool renderIndex = false, bool renderDebug = false)
        {
            var sb      = new StringBuilder();
            var visited = new HashSet <ulong>();

            links.AppendStructure(sb, visited, linkIndex, isElement, appendElement, renderIndex, renderDebug);
            return(sb.ToString());
        }
Beispiel #2
0
 public static void AppendStructure(this ILinks <ulong> links, StringBuilder sb, HashSet <ulong> visited, ulong linkIndex, Func <Link <ulong>, bool> isElement, Action <StringBuilder, Link <ulong> > appendElement, bool renderIndex = false, bool renderDebug = false)
 {
     if (sb == null)
     {
         throw new ArgumentNullException(nameof(sb));
     }
     if (linkIndex == Constants.Null || linkIndex == Constants.Any || linkIndex == Constants.Itself)
     {
         return;
     }
     if (links.Exists(linkIndex))
     {
         if (visited.Add(linkIndex))
         {
             sb.Append('(');
             var link = new Link <ulong>(links.GetLink(linkIndex));
             if (renderIndex)
             {
                 sb.Append(link.Index);
                 sb.Append(':');
             }
             if (link.Source == link.Index)
             {
                 sb.Append(link.Index);
             }
             else
             {
                 var source = new Link <ulong>(links.GetLink(link.Source));
                 if (isElement(source))
                 {
                     appendElement(sb, source);
                 }
                 else
                 {
                     links.AppendStructure(sb, visited, source.Index, isElement, appendElement, renderIndex);
                 }
             }
             sb.Append(' ');
             if (link.Target == link.Index)
             {
                 sb.Append(link.Index);
             }
             else
             {
                 var target = new Link <ulong>(links.GetLink(link.Target));
                 if (isElement(target))
                 {
                     appendElement(sb, target);
                 }
                 else
                 {
                     links.AppendStructure(sb, visited, target.Index, isElement, appendElement, renderIndex);
                 }
             }
             sb.Append(')');
         }
         else
         {
             if (renderDebug)
             {
                 sb.Append('*');
             }
             sb.Append(linkIndex);
         }
     }
     else
     {
         if (renderDebug)
         {
             sb.Append('~');
         }
         sb.Append(linkIndex);
     }
 }