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SimpleScannerWorker.cs
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80 lines (63 loc) · 1.72 KB
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using System;
using System.Collections.Generic;
using System.Diagnostics.Contracts;
using System.Threading;
using ReClassNET.MemoryScanner.Comparer;
namespace ReClassNET.MemoryScanner
{
internal class SimpleScannerWorker : IScannerWorker
{
private readonly ScanSettings settings;
private readonly ISimpleScanComparer comparer;
public SimpleScannerWorker(ScanSettings settings, ISimpleScanComparer comparer)
{
Contract.Requires(settings != null);
Contract.Requires(comparer != null);
this.settings = settings;
this.comparer = comparer;
}
public IList<ScanResult> Search(byte[] data, int count, CancellationToken ct)
{
Contract.Requires(data != null);
var results = new List<ScanResult>();
var endIndex = count - comparer.ValueSize;
for (var i = 0; i < endIndex; i += settings.FastScanAlignment)
{
if (ct.IsCancellationRequested)
{
break;
}
if (comparer.Compare(data, i, out var result))
{
result.Address = (IntPtr)i;
results.Add(result);
}
}
return results;
}
public IList<ScanResult> Search(byte[] data, int count, IEnumerable<ScanResult> previousResults, CancellationToken ct)
{
Contract.Requires(data != null);
Contract.Requires(previousResults != null);
var results = new List<ScanResult>();
var endIndex = count - comparer.ValueSize;
foreach (var previousResult in previousResults)
{
if (ct.IsCancellationRequested)
{
break;
}
var offset = previousResult.Address.ToInt32();
if (offset <= endIndex)
{
if (comparer.Compare(data, offset, previousResult, out var result))
{
result.Address = previousResult.Address;
results.Add(result);
}
}
}
return results;
}
}
}