NBTExplorer/NBTUtil/Ops/PrintTreeOperation.cs

using System;
using System.Collections.Generic;
using System.Text;
using NBTExplorer.Model;

namespace NBTUtil.Ops
{
    class PrintTreeOperation : ConsoleOperation
    {
        public override bool CanProcess (DataNode dataNode)
        {
            return true;
        }

        public override bool Process (DataNode dataNode, ConsoleOptions options)
        {
            PrintSubTree(dataNode, options, "", true);

            return true;
        }

        private void PrintSubTree (DataNode dataNode, ConsoleOptions options, string indent, bool last)
        {
            Console.WriteLine(indent + " + " + TypePrinter.Print(dataNode, options.ShowTypes));

            indent += last ? "  " : " |";
            int cnt = 0;

            dataNode.Expand();
            foreach (DataNode child in dataNode.Nodes) {
                cnt++;
                PrintSubTree(child, options, indent, cnt == dataNode.Nodes.Count);
            }
        }
    }
}