2021-05-07 22:05:11 -04:00

92 lines
2.8 KiB
C#

//
// BinaryObjectModel.cs - provides an ObjectModel for manipulating raw binary data
//
// Author:
// Michael Becker <alcexhim@gmail.com>
//
// Copyright (c) 2019-2020 Mike Becker's Software
//
// This program 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.
//
// This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
using System;
using System.Collections.Generic;
namespace UniversalEditor.ObjectModels.Binary
{
/// <summary>
/// Provides an <see cref="ObjectModel" /> for manipulating raw binary data.
/// </summary>
public class BinaryObjectModel : ObjectModel
{
public byte[] Data { get; set; } = new byte[0];
private static ObjectModelReference _omr = null;
protected override ObjectModelReference MakeReferenceInternal()
{
if (_omr == null)
{
_omr = base.MakeReferenceInternal();
_omr.Path = new string[] { "General", "Binary" };
_omr.Description = "Edits raw binary data";
}
return _omr;
}
public override void Clear()
{
Data = new byte[0];
}
public override void CopyTo(ObjectModel where)
{
BinaryObjectModel clone = (where as BinaryObjectModel);
if (clone == null) throw new ObjectModelNotSupportedException();
clone.Data = (Data.Clone() as byte[]);
}
protected override CriteriaResult[] FindInternal(CriteriaQuery query)
{
List<CriteriaResult> list = new List<CriteriaResult>();
for (int i = 0; i < Data.Length; i++)
{
if ((i < Data.Length - 1) && (query.Check(_CriteriaObjects[0].Properties[0], BitConverter.ToUInt16(Data, i))))
{
list.Add(new CriteriaResult(new BinarySelection(new byte[] { Data[i], Data[i + 1] }, i, 2)));
}
}
return list.ToArray();
}
private CriteriaObject[] _CriteriaObjects = null;
protected override CriteriaObject[] GetCriteriaObjectsInternal()
{
if (_CriteriaObjects == null)
{
_CriteriaObjects = new CriteriaObject[]
{
new CriteriaObject("Data", new CriteriaProperty[]
{
new CriteriaProperty("Unsigned short", typeof(ushort)),
new CriteriaProperty("Unsigned integer", typeof(uint)),
new CriteriaProperty("Unsigned long", typeof(ulong)),
new CriteriaProperty("String", typeof(string)),
new CriteriaProperty("HexString", typeof(string))
}),
};
}
return _CriteriaObjects;
}
}
}