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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
{
using System;
using System.Collections.Generic;
using System.Linq;
using WixToolset.Core.Bind;
using WixToolset.Core.Link;
using WixToolset.Data;
using WixToolset.Extensibility.Data;
using WixToolset.Extensibility.Services;
/// <summary>
/// Core librarian tool.
/// </summary>
internal class Librarian : ILibrarian
{
internal Librarian(IServiceProvider serviceProvider)
{
this.ServiceProvider = serviceProvider;
this.Messaging = this.ServiceProvider.GetService<IMessaging>();
}
private IServiceProvider ServiceProvider { get; }
private IMessaging Messaging { get; }
/// <summary>
/// Create a library by combining several intermediates (objects).
/// </summary>
/// <param name="sections">The sections to combine into a library.</param>
/// <returns>Returns the new library.</returns>
public Intermediate Combine(ILibraryContext context)
{
if (String.IsNullOrEmpty(context.LibraryId))
{
context.LibraryId = Convert.ToBase64String(Guid.NewGuid().ToByteArray()).TrimEnd('=').Replace('+', '.').Replace('/', '_');
}
foreach (var extension in context.Extensions)
{
extension.PreCombine(context);
}
Intermediate library = null;
try
{
var sections = context.Intermediates.SelectMany(i => i.Sections).ToList();
var collate = new CollateLocalizationsCommand(this.Messaging, context.Localizations);
var localizationsByCulture = collate.Execute();
if (this.Messaging.EncounteredError)
{
return null;
}
var embedFilePaths = this.ResolveFilePathsToEmbed(context, sections);
foreach (var section in sections)
{
section.LibraryId = context.LibraryId;
}
library = new Intermediate(context.LibraryId, sections, localizationsByCulture, embedFilePaths);
this.Validate(library);
}
finally
{
foreach (var extension in context.Extensions)
{
extension.PostCombine(library);
}
}
return this.Messaging.EncounteredError ? null : library;
}
/// <summary>
/// Validate that a library contains one entry section and no duplicate symbols.
/// </summary>
/// <param name="library">Library to validate.</param>
private void Validate(Intermediate library)
{
var find = new FindEntrySectionAndLoadSymbolsCommand(this.Messaging, library.Sections);
find.Execute();
// TODO: Consider bringing this sort of verification back.
// foreach (Section section in library.Sections)
// {
// ResolveReferencesCommand resolve = new ResolveReferencesCommand(find.EntrySection, find.Symbols);
// resolve.Execute();
//
// ReportDuplicateResolvedSymbolErrorsCommand reportDupes = new ReportDuplicateResolvedSymbolErrorsCommand(find.SymbolsWithDuplicates, resolve.ResolvedSections);
// reportDupes.Execute();
// }
}
private List<string> ResolveFilePathsToEmbed(ILibraryContext context, IEnumerable<IntermediateSection> sections)
{
var embedFilePaths = new List<string>();
// Resolve paths to files that are to be embedded in the library.
if (context.BindFiles)
{
var variableResolver = new WixVariableResolver(this.Messaging);
var fileResolver = new FileResolver(context.BindPaths, context.Extensions);
foreach (var tuple in sections.SelectMany(s => s.Tuples))
{
foreach (var field in tuple.Fields.Where(f => f?.Type == IntermediateFieldType.Path))
{
var pathField = field.AsPath();
if (pathField != null)
{
var resolution = variableResolver.ResolveVariables(tuple.SourceLineNumbers, pathField.Path, false);
var file = fileResolver.Resolve(tuple.SourceLineNumbers, tuple.Definition, resolution.Value);
if (!String.IsNullOrEmpty(file))
{
// File was successfully resolved so track the embedded index as the embedded file index.
field.Set(new IntermediateFieldPathValue { EmbeddedFileIndex = embedFilePaths.Count });
embedFilePaths.Add(file);
}
else
{
this.Messaging.Write(ErrorMessages.FileNotFound(tuple.SourceLineNumbers, pathField.Path, tuple.Definition.Name));
}
}
}
}
}
return embedFilePaths;
}
}
}
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