Dnspy/dnSpy/dnSpy.Contracts.DnSpy/Documents/TreeView/Resources/SerializedResourceElementNode.cs
2021-09-20 18:20:01 +02:00

139 lines
3.9 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.Collections.Generic;
using System.Diagnostics;
using System.IO;
using System.Runtime.Serialization.Formatters.Binary;
using System.Threading;
using dnlib.DotNet.Resources;
using dnSpy.Contracts.Images;
using dnSpy.Contracts.TreeView;
namespace dnSpy.Contracts.Documents.TreeView.Resources {
/// <summary>
/// Serialized resource element node base class
/// </summary>
public abstract class SerializedResourceElementNode : ResourceElementNode {
object? deserializedData;
string? DeserializedStringValue => deserializedData?.ToString();
bool IsSerialized => deserializedData is null;
/// <inheritdoc/>
protected override string ValueString {
get {
if (deserializedData is null)
return base.ValueString;
return ConvertObjectToString(deserializedData)!;
}
}
/// <inheritdoc/>
protected override ImageReference GetIcon() => DsImages.UserDefinedDataType;
/// <summary>
/// Constructor
/// </summary>
/// <param name="treeNodeGroup">Treenode group</param>
/// <param name="resourceElement">Resource element</param>
protected SerializedResourceElementNode(ITreeNodeGroup treeNodeGroup, ResourceElement resourceElement)
: base(treeNodeGroup, resourceElement) => Debug.Assert(resourceElement.ResourceData is BinaryResourceData);
/// <inheritdoc/>
public override void Initialize() => DeserializeIfPossible();
void DeserializeIfPossible() {
if (Context.DeserializeResources)
Deserialize();
}
/// <inheritdoc/>
protected override IEnumerable<ResourceData> GetDeserializedData() {
var dd = deserializedData;
var re = ResourceElement;
if (dd is not null)
yield return new ResourceData(re.Name, token => ResourceUtilities.StringToStream(ConvertObjectToString(dd)));
else
yield return new ResourceData(re.Name, token => new MemoryStream(((BinaryResourceData)re.ResourceData).Data));
}
/// <summary>
/// Called after it's been deserialized
/// </summary>
protected virtual void OnDeserialized() { }
/// <summary>
/// true if <see cref="Deserialize()"/> can execute
/// </summary>
public bool CanDeserialize => IsSerialized;
/// <summary>
/// Deserializes the data
/// </summary>
public void Deserialize() {
if (!CanDeserialize)
return;
var serializedData = ((BinaryResourceData)ResourceElement.ResourceData).Data;
var formatter = new BinaryFormatter();
try {
#pragma warning disable SYSLIB0011
deserializedData = formatter.Deserialize(new MemoryStream(serializedData));
#pragma warning restore SYSLIB0011
}
catch {
return;
}
if (deserializedData is null)
return;
try {
OnDeserialized();
}
catch {
deserializedData = null;
}
}
string? ConvertObjectToString(object obj) {
if (obj is null)
return null;
if (!Context.DeserializeResources)
return obj.ToString();
return SerializationUtilities.ConvertObjectToString(obj);
}
/// <inheritdoc/>
public override void UpdateData(ResourceElement newResElem) {
base.UpdateData(newResElem);
deserializedData = null;
DeserializeIfPossible();
}
/// <inheritdoc/>
public override string? ToString(CancellationToken token, bool canDecompile) {
if (IsSerialized)
return null;
return DeserializedStringValue;
}
}
}