Add JSON exporter to NBTUtil

NBTUtil/ConsoleOptions.cs

@@ -12,6 +12,7 @@ namespace NBTUtil
         PrintTree,
         SetValue,
         SetList,
+        Json,
         Help,
     }
 
@@ -38,6 +39,10 @@ namespace NBTUtil
                 { "print", "Print the value(s) of a tag", v => Command = ConsoleCommand.Print },
                 { "printtree", "Print the NBT tree rooted at a tag", v => Command = ConsoleCommand.PrintTree },
                 { "types", "Show data types when printing tags", v => ShowTypes = true },
+                { "json=", "Export the NBT tree rooted at a tag as JSON", v => {
+                    Command = ConsoleCommand.Json;
+                    Values.Add(v);
+                }},
                 { "setvalue=", "Set a single tag value", v => { 
                     Command = ConsoleCommand.SetValue;
                     _currentKey = "setvalue";

NBTUtil/ConsoleRunner.cs

@@ -16,6 +16,7 @@ namespace NBTUtil
             { ConsoleCommand.SetList, new SetListOperation() },
             { ConsoleCommand.Print, new PrintOperation() },
             { ConsoleCommand.PrintTree, new PrintTreeOperation() },
+            { ConsoleCommand.Json, new JsonOperation() },
         };
 
         private ConsoleOptions _options;

NBTUtil/NBTUtil.csproj

@@ -46,6 +46,7 @@
     <Compile Include="NDesk\Options.cs" />
     <Compile Include="Ops\ConsoleOperation.cs" />
     <Compile Include="Ops\EditOperation.cs" />
+    <Compile Include="Ops\JsonOperation.cs" />
     <Compile Include="Ops\PrintOperation.cs" />
     <Compile Include="Ops\PrintTreeOperation.cs" />
     <Compile Include="Ops\SetListOperation.cs" />

NBTUtil/Ops/JsonOperation.cs

@@ -0,0 +1,58 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using System.Text;
+using NBTExplorer.Model;
+using Substrate.Nbt;
+
+namespace NBTUtil.Ops
+{
+    class JsonOperation : ConsoleOperation
+    {
+        public override bool CanProcess (DataNode dataNode)
+        {
+            return dataNode is NbtFileDataNode || dataNode is TagDataNode;
+        }
+
+        public override bool Process (DataNode dataNode, ConsoleOptions options)
+        {
+            if (options.Values.Count == 0)
+                return false;
+
+            string jsonPath = options.Values[0];
+            using (FileStream stream = File.OpenWrite(jsonPath)) {
+                using (StreamWriter writer = new StreamWriter(stream)) {
+                    if (dataNode is TagDataNode) {
+                        TagDataNode tagNode = dataNode as TagDataNode;
+                        WriteNbtTag(writer, tagNode.Tag);
+                    }
+                    else if (dataNode is NbtFileDataNode) {
+                        dataNode.Expand();
+                        TagNodeCompound root = new TagNodeCompound();
+
+                        foreach (DataNode child in dataNode.Nodes) {
+                            TagDataNode childTagNode = child as TagDataNode;
+                            if (childTagNode == null)
+                                continue;
+
+                            if (childTagNode.Tag != null)
+                                root.Add(childTagNode.NodeName, childTagNode.Tag);
+                        }
+
+                        WriteNbtTag(writer, root);
+                    }
+                }
+            }
+
+            return true;
+        }
+
+        private void WriteNbtTag (StreamWriter writer, TagNode tag)
+        {
+            if (tag == null)
+                return;
+
+            writer.Write(JSONSerializer.Serialize(tag));
+        }
+    }
+}

NBTUtil/Properties/AssemblyInfo.cs

@@ -32,5 +32,5 @@ using System.Runtime.InteropServices;
 // You can specify all the values or you can default the Build and Revision Numbers 
 // by using the '*' as shown below:
 // [assembly: AssemblyVersion("1.0.*")]
-[assembly: AssemblyVersion("1.0.0.0")]
+[assembly: AssemblyVersion("1.0.1.0")]
-[assembly: AssemblyFileVersion("1.0.0.0")]
+[assembly: AssemblyFileVersion("1.0.1.0")]