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// Copyright (c) .NET Foundation and contributors. All rights reserved. Licensed under the Microsoft Reciprocal License. See LICENSE.TXT file in the project root for full license information.
namespace WixToolset.Core.WindowsInstaller.Databases
{
using System;
using System.Collections.Generic;
using System.Globalization;
using System.IO;
using WixToolset.Core.Bind;
using WixToolset.Data;
using WixToolset.Data.Rows;
/// <summary>
/// Creates delta patches and updates the appropriate rows to point to the newly generated patches.
/// </summary>
internal class CreateDeltaPatchesCommand
{
public IEnumerable<FileFacade> FileFacades { private get; set; }
public Table WixPatchIdTable { private get; set; }
public string TempFilesLocation { private get; set; }
public void Execute()
{
bool optimizePatchSizeForLargeFiles = false;
PatchSymbolFlagsType apiPatchingSymbolFlags = 0;
if (null != this.WixPatchIdTable)
{
Row row = this.WixPatchIdTable.Rows[0];
if (null != row)
{
if (null != row[2])
{
optimizePatchSizeForLargeFiles = (1 == Convert.ToUInt32(row[2], CultureInfo.InvariantCulture));
}
if (null != row[3])
{
apiPatchingSymbolFlags = (PatchSymbolFlagsType)Convert.ToUInt32(row[3], CultureInfo.InvariantCulture);
}
}
}
foreach (FileFacade facade in this.FileFacades)
{
if (RowOperation.Modify == facade.File.Operation &&
0 != (facade.WixFile.PatchAttributes & PatchAttributeType.IncludeWholeFile))
{
string deltaBase = String.Concat("delta_", facade.File.File);
string deltaFile = Path.Combine(this.TempFilesLocation, String.Concat(deltaBase, ".dpf"));
string headerFile = Path.Combine(this.TempFilesLocation, String.Concat(deltaBase, ".phd"));
bool retainRangeWarning = false;
if (PatchAPI.PatchInterop.CreateDelta(
deltaFile,
facade.WixFile.Source,
facade.DeltaPatchFile.Symbols,
facade.DeltaPatchFile.RetainOffsets,
new[] { facade.WixFile.PreviousSource },
facade.DeltaPatchFile.PreviousSymbols.Split(new[] { ';' }),
facade.DeltaPatchFile.PreviousIgnoreLengths.Split(new[] { ';' }),
facade.DeltaPatchFile.PreviousIgnoreOffsets.Split(new[] { ';' }),
facade.DeltaPatchFile.PreviousRetainLengths.Split(new[] { ';' }),
facade.DeltaPatchFile.PreviousRetainOffsets.Split(new[] { ';' }),
apiPatchingSymbolFlags,
optimizePatchSizeForLargeFiles,
out retainRangeWarning))
{
PatchAPI.PatchInterop.ExtractDeltaHeader(deltaFile, headerFile);
facade.WixFile.Source = deltaFile;
facade.WixFile.DeltaPatchHeaderSource = headerFile;
}
if (retainRangeWarning)
{
// TODO: get patch family to add to warning message for PatchWiz parity.
Messaging.Instance.OnMessage(WixWarnings.RetainRangeMismatch(facade.File.SourceLineNumbers, facade.File.File));
}
}
}
}
}
}
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