Dnspy/Extensions/dnSpy.AsmEditor/Commands/DeletedFieldUpdater.cs
2021-09-20 18:20:01 +02:00

61 lines
1.9 KiB
C#

/*
Copyright (C) 2014-2019 de4dot@gmail.com
This file is part of dnSpy
dnSpy is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
dnSpy is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with dnSpy. If not, see <http://www.gnu.org/licenses/>.
*/
using System;
using System.Collections.Generic;
using dnlib.DotNet;
using dnSpy.Contracts.Documents.TreeView;
using dnSpy.Contracts.TreeView;
namespace dnSpy.AsmEditor.Commands {
sealed class DeletedFieldUpdater {
public IEnumerable<DocumentTreeNodeData> OriginalNodes {
get { yield return ownerNode; }
}
readonly TreeNodeData parentNode;
readonly FieldNode ownerNode;
readonly TypeDef ownerType;
readonly FieldDef field;
int fieldIndex;
public DeletedFieldUpdater(ModuleDocumentNode modNode, FieldDef originalField) {
var node = modNode.Context.DocumentTreeView.FindNode(originalField);
if (node is null)
throw new InvalidOperationException();
ownerNode = node;
parentNode = ownerNode.TreeNode.Parent!.Data;
ownerType = originalField.DeclaringType;
field = originalField;
}
public void Add() {
if (!parentNode.TreeNode.Children.Remove(ownerNode.TreeNode))
throw new InvalidOperationException();
fieldIndex = ownerType.Fields.IndexOf(field);
ownerType.Fields.RemoveAt(fieldIndex);
}
public void Remove() {
ownerType.Fields.Insert(fieldIndex, field);
parentNode.TreeNode.AddChild(ownerNode.TreeNode);
}
}
}