From 4dfee8cfd6b2a4862763845ed293ac41a0438425 Mon Sep 17 00:00:00 2001
From: Jon Kunkee <jonathan.kunkee@gmail.com>
Date: Sat, 27 Jun 2020 20:21:06 -0700
Subject: [PATCH] Add --delete operation

---
 NBTUtil/ConsoleOptions.cs      |  2 ++
 NBTUtil/ConsoleRunner.cs       |  1 +
 NBTUtil/NBTUtil.csproj         |  1 +
 NBTUtil/Ops/DeleteOperation.cs | 25 +++++++++++++++++++++++++
 4 files changed, 29 insertions(+)
 create mode 100644 NBTUtil/Ops/DeleteOperation.cs

diff --git a/NBTUtil/ConsoleOptions.cs b/NBTUtil/ConsoleOptions.cs
index 1fdee5c..863650d 100644
--- a/NBTUtil/ConsoleOptions.cs
+++ b/NBTUtil/ConsoleOptions.cs
@@ -11,6 +11,7 @@ namespace NBTUtil
         Print,
         PrintTree,
         SetValue,
+        DeleteValue,
         SetList,
         Json,
         Help,
@@ -64,6 +65,7 @@ namespace NBTUtil
                             break;
                     }
                 }},
+                { "delete", "Delete the NBT tag if found", v => Command = ConsoleCommand.DeleteValue },
             };
         }
 
diff --git a/NBTUtil/ConsoleRunner.cs b/NBTUtil/ConsoleRunner.cs
index c0f07fc..df1a465 100644
--- a/NBTUtil/ConsoleRunner.cs
+++ b/NBTUtil/ConsoleRunner.cs
@@ -13,6 +13,7 @@ namespace NBTUtil
     {
         private static readonly Dictionary<ConsoleCommand, ConsoleOperation> _commandTable = new Dictionary<ConsoleCommand, ConsoleOperation>() {
             { ConsoleCommand.SetValue, new EditOperation() },
+            { ConsoleCommand.DeleteValue, new DeleteOperation() },
             { ConsoleCommand.SetList, new SetListOperation() },
             { ConsoleCommand.Print, new PrintOperation() },
             { ConsoleCommand.PrintTree, new PrintTreeOperation() },
diff --git a/NBTUtil/NBTUtil.csproj b/NBTUtil/NBTUtil.csproj
index 8571a2f..7b90512 100644
--- a/NBTUtil/NBTUtil.csproj
+++ b/NBTUtil/NBTUtil.csproj
@@ -45,6 +45,7 @@
     <Compile Include="ConsoleRunner.cs" />
     <Compile Include="NDesk\Options.cs" />
     <Compile Include="Ops\ConsoleOperation.cs" />
+    <Compile Include="Ops\DeleteOperation.cs" />
     <Compile Include="Ops\EditOperation.cs" />
     <Compile Include="Ops\JsonOperation.cs" />
     <Compile Include="Ops\PrintOperation.cs" />
diff --git a/NBTUtil/Ops/DeleteOperation.cs b/NBTUtil/Ops/DeleteOperation.cs
new file mode 100644
index 0000000..a3b165c
--- /dev/null
+++ b/NBTUtil/Ops/DeleteOperation.cs
@@ -0,0 +1,25 @@
+using System;
+using System.Collections.Generic;
+using System.IO;
+using NBTExplorer.Model;
+
+namespace NBTUtil.Ops
+{
+    class DeleteOperation : ConsoleOperation
+    {
+        public override bool OptionsValid (ConsoleOptions options)
+        {
+            return true;
+        }
+
+        public override bool CanProcess (DataNode dataNode)
+        {
+            return (dataNode != null) && dataNode.CanDeleteNode && (dataNode.Root != dataNode);
+        }
+
+        public override bool Process (DataNode dataNode, ConsoleOptions options)
+        {
+            return dataNode.DeleteNode();
+        }
+    }
+}