@joebigelow / wix-1
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1 // 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.
2
3 namespace WixToolset.Core.WindowsInstaller.Bind
4 {
5 using System.Collections.Generic;
6 using System.Linq;
7 using WixToolset.Data;
8 using WixToolset.Data.Symbols;
9 using WixToolset.Extensibility.Data;
10 using WixToolset.Extensibility.Services;
11
12 internal class GetFileFacadesCommand
13 {
14 public GetFileFacadesCommand(IntermediateSection section, IWindowsInstallerBackendHelper backendHelper)
15 {
16 this.Section = section;
17 this.BackendHelper = backendHelper;
18 }
19
20 private IntermediateSection Section { get; }
21
22 private IWindowsInstallerBackendHelper BackendHelper { get; }
23
24 public List<IFileFacade> FileFacades { get; private set; }
25
26 public void Execute()
27 {
28 var facades = new List<IFileFacade>();
29
30 #if TODO_PATCHING_DELTA
31 //var deltaPatchFiles = this.Section.Symbols.OfType<WixDeltaPatchFileSymbol>().ToDictionary(t => t.Id.Id);
32 #endif
33
34 foreach (var file in this.Section.Symbols.OfType<FileSymbol>())
35 {
36 #if TODO_PATCHING_DELTA
37 //deltaPatchFiles.TryGetValue(file.Id.Id, out var deltaPatchFile);
38 // TODO: should we be passing along delta information to the file facade? Probably, right?
39 #endif
40 var fileFacade = this.BackendHelper.CreateFileFacade(file);
41
42 facades.Add(fileFacade);
43 }
44
45 #if TODO_PATCHING_DELTA
46 this.ResolveDeltaPatchSymbolPaths(deltaPatchFiles, facades);
47 #endif
48
49 this.FileFacades = facades;
50 }
51
52 #if TODO_PATCHING_DELTA
53 /// <summary>
54 /// Merge data from the WixPatchSymbolPaths rows into the WixDeltaPatchFile rows.
55 /// </summary>
56 public void ResolveDeltaPatchSymbolPaths(Dictionary<string, WixDeltaPatchFileSymbol> deltaPatchFiles, IEnumerable<FileFacade> facades)
57 {
58 ILookup<string, FileFacade> filesByComponent = null;
59 ILookup<string, FileFacade> filesByDirectory = null;
60 ILookup<string, FileFacade> filesByDiskId = null;
61
62 foreach (var row in this.Section.Symbols.OfType<WixDeltaPatchSymbolPathsSymbol>().OrderBy(r => r.SymbolType))
63 {
64 switch (row.SymbolType)
65 {
66 case SymbolPathType.File:
67 this.MergeSymbolPaths(row, deltaPatchFiles[row.SymbolId]);
68 break;
69
70 case SymbolPathType.Component:
71 if (null == filesByComponent)
72 {
73 filesByComponent = facades.ToLookup(f => f.File.ComponentRef);
74 }
75
76 foreach (var facade in filesByComponent[row.SymbolId])
77 {
78 this.MergeSymbolPaths(row, deltaPatchFiles[facade.File.Id.Id]);
79 }
80 break;
81
82 case SymbolPathType.Directory:
83 if (null == filesByDirectory)
84 {
85 filesByDirectory = facades.ToLookup(f => f.File.DirectoryRef);
86 }
87
88 foreach (var facade in filesByDirectory[row.SymbolId])
89 {
90 this.MergeSymbolPaths(row, deltaPatchFiles[facade.File.Id.Id]);
91 }
92 break;
93
94 case SymbolPathType.Media:
95 if (null == filesByDiskId)
96 {
97 filesByDiskId = facades.ToLookup(f => f.File.DiskId.ToString(CultureInfo.InvariantCulture));
98 }
99
100 foreach (var facade in filesByDiskId[row.SymbolId])
101 {
102 this.MergeSymbolPaths(row, deltaPatchFiles[facade.File.Id.Id]);
103 }
104 break;
105
106 case SymbolPathType.Product:
107 foreach (var fileRow in deltaPatchFiles.Values)
108 {
109 this.MergeSymbolPaths(row, fileRow);
110 }
111 break;
112
113 default:
114 // error
115 break;
116 }
117 }
118 }
119
120 /// <summary>
121 /// Merge data from a row in the WixPatchSymbolsPaths table into an associated WixDeltaPatchFile row.
122 /// </summary>
123 /// <param name="row">Row from the WixPatchSymbolsPaths table.</param>
124 /// <param name="file">FileRow into which to set symbol information.</param>
125 /// <comment>This includes PreviousData as well.</comment>
126 private void MergeSymbolPaths(WixDeltaPatchSymbolPathsSymbol row, WixDeltaPatchFileSymbol file)
127 {
128 if (file.SymbolPaths is null)
129 {
130 file.SymbolPaths = row.SymbolPaths;
131 }
132 else
133 {
134 file.SymbolPaths = String.Concat(file.SymbolPaths, ";", row.SymbolPaths);
135 }
136
137 Field field = row.Fields[2];
138 if (null != field.PreviousData)
139 {
140 if (null == file.PreviousSymbols)
141 {
142 file.PreviousSymbols = field.PreviousData;
143 }
144 else
145 {
146 file.PreviousSymbols = String.Concat(file.PreviousSymbols, ";", field.PreviousData);
147 }
148 }
149 }
150 #endif
151 }
152 }