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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.Bind
{
using System;
using System.Collections.Generic;
using System.Linq;
using WixToolset.Core.Bind;
using WixToolset.Data;
using WixToolset.Data.WindowsInstaller;
using WixToolset.Data.WindowsInstaller.Rows;
using WixToolset.Extensibility;
using WixToolset.Extensibility.Services;
internal class GetFileFacadesFromTransforms
{
public GetFileFacadesFromTransforms(IMessaging messaging, FileSystemManager fileSystemManager, IEnumerable<SubStorage> subStorages)
{
this.Messaging = messaging;
this.FileSystemManager = fileSystemManager;
this.SubStorages = subStorages;
}
private IMessaging Messaging { get; }
private FileSystemManager FileSystemManager { get; }
private IEnumerable<SubStorage> SubStorages { get; }
public List<FileFacade> FileFacades { get; private set; }
public void Execute()
{
var allFileRows = new List<FileFacade>();
var patchMediaRows = new RowDictionary<MediaRow>();
var patchMediaFileRows = new Dictionary<int, RowDictionary<FileRow>>();
//var patchActualFileTable = this.Output.EnsureTable(this.TableDefinitions["File"]);
// Index paired transforms by name without their "#" prefix.
var pairedTransforms = this.SubStorages.Where(s => s.Name.StartsWith("#")).ToDictionary(s => s.Name, s => s.Data);
// Enumerate through main transforms.
foreach (var substorage in this.SubStorages.Where(s => !s.Name.StartsWith("#")))
{
var mainTransform = substorage.Data;
var mainFileTable = mainTransform.Tables["File"];
if (null == mainFileTable)
{
continue;
}
// Index File table of pairedTransform
var pairedTransform = pairedTransforms["#" + substorage.Name];
var pairedFileRows = new RowDictionary<FileRow>(pairedTransform.Tables["File"]);
foreach (FileRow mainFileRow in mainFileTable.Rows.Where(f => f.Operation != RowOperation.Delete))
{
var mainFileId = mainFileRow.File;
// We need compare the underlying files and include all file changes.
var objectField = (ObjectField)mainFileRow.Fields[9];
var pairedFileRow = pairedFileRows.Get(mainFileId);
// If the file is new, we always need to add it to the patch.
if (mainFileRow.Operation == RowOperation.Add)
{
if (null != pairedFileRow) // RowOperation.Add
{
// Always patch-added, but never non-compressed.
pairedFileRow.Attributes |= WindowsInstallerConstants.MsidbFileAttributesPatchAdded;
pairedFileRow.Attributes &= ~WindowsInstallerConstants.MsidbFileAttributesNoncompressed;
pairedFileRow.Fields[6].Modified = true;
pairedFileRow.Operation = RowOperation.Add;
}
}
else
{
// If PreviousData doesn't exist, target and upgrade layout point to the same location. No need to compare.
if (null == objectField.PreviousData)
{
if (mainFileRow.Operation == RowOperation.None)
{
continue;
}
}
else
{
// TODO: should this entire condition be placed in the binder file manager?
if (/*(0 == (PatchAttributeType.Ignore & mainWixFileRow.PatchAttributes)) &&*/
!this.FileSystemManager.CompareFiles(objectField.PreviousData.ToString(), objectField.Data.ToString()))
{
// If the file is different, we need to mark the mainFileRow and pairedFileRow as modified.
mainFileRow.Operation = RowOperation.Modify;
if (null != pairedFileRow)
{
// Always patch-added, but never non-compressed.
pairedFileRow.Attributes |= WindowsInstallerConstants.MsidbFileAttributesPatchAdded;
pairedFileRow.Attributes &= ~WindowsInstallerConstants.MsidbFileAttributesNoncompressed;
pairedFileRow.Fields[6].Modified = true;
pairedFileRow.Operation = RowOperation.Modify;
}
}
else
{
// The File is same. We need mark all the attributes as unchanged.
mainFileRow.Operation = RowOperation.None;
foreach (var field in mainFileRow.Fields)
{
field.Modified = false;
}
if (null != pairedFileRow)
{
pairedFileRow.Attributes &= ~WindowsInstallerConstants.MsidbFileAttributesPatchAdded;
pairedFileRow.Fields[6].Modified = false;
pairedFileRow.Operation = RowOperation.None;
}
continue;
}
}
}
// index patch files by diskId+fileId
var diskId = mainFileRow.DiskId;
if (!patchMediaFileRows.TryGetValue(diskId, out var mediaFileRows))
{
mediaFileRows = new RowDictionary<FileRow>();
patchMediaFileRows.Add(diskId, mediaFileRows);
}
var patchFileRow = mediaFileRows.Get(mainFileId);
if (null == patchFileRow)
{
//patchFileRow = (FileRow)patchFileTable.CreateRow(mainFileRow.SourceLineNumbers);
patchFileRow = (FileRow)mainFileRow.TableDefinition.CreateRow(mainFileRow.SourceLineNumbers);
mainFileRow.CopyTo(patchFileRow);
mediaFileRows.Add(patchFileRow);
allFileRows.Add(new FileFacade(patchFileRow)); // TODO: should we be passing along delta information? Probably, right?
}
else
{
// TODO: confirm the rest of data is identical?
// make sure Source is same. Otherwise we are silently ignoring a file.
if (0 != String.Compare(patchFileRow.Source, mainFileRow.Source, StringComparison.OrdinalIgnoreCase))
{
this.Messaging.Write(ErrorMessages.SameFileIdDifferentSource(mainFileRow.SourceLineNumbers, mainFileId, patchFileRow.Source, mainFileRow.Source));
}
#if TODO_PATCHING_DELTA
// capture the previous file versions (and associated data) from this targeted instance of the baseline into the current filerow.
patchFileRow.AppendPreviousDataFrom(mainFileRow);
#endif
}
}
}
this.FileFacades = allFileRows;
}
}
}
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