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// Copyright (c) .NET Foundation. All rights reserved.
// Licensed under the Apache License, Version 2.0. See License.txt in the project root for license information.
using System;
using System.Collections.Concurrent;
using System.Collections.Generic;
using System.Diagnostics;
using System.Linq;
using System.Threading;
using System.Threading.Tasks;
using Microsoft.Build.Construction;
using Microsoft.Build.Evaluation;
using Microsoft.Build.Framework;
using Microsoft.Build.Utilities;
using RepoTasks.Utilities;
namespace RepoTasks.ProjectModel
{
internal class SolutionInfoFactory
{
private readonly TaskLoggingHelper _logger;
private readonly IBuildEngine4 _buildEngine;
public SolutionInfoFactory(TaskLoggingHelper logger, IBuildEngine4 buildEngine)
{
_logger = logger;
_buildEngine = buildEngine;
}
public IReadOnlyList<SolutionInfo> Create(IEnumerable<ITaskItem> solutionItems, IDictionary<string, string> properties, string defaultConfig, CancellationToken ct)
{
var timer = Stopwatch.StartNew();
var solutions = new ConcurrentBag<SolutionInfo>();
Parallel.ForEach(solutionItems, solution =>
{
if (ct.IsCancellationRequested)
{
return;
}
var solutionFile = solution.ItemSpec.Replace('\\', '/');
var solutionProps = new Dictionary<string, string>(properties, StringComparer.OrdinalIgnoreCase);
foreach (var prop in MSBuildListSplitter.GetNamedProperties(solution.GetMetadata("AdditionalProperties")))
{
solutionProps[prop.Key] = prop.Value;
}
if (solutionProps.TryGetValue("Configuration", out var configName))
{
solutionProps["Configuration"] = configName = defaultConfig;
}
var key = $"SlnInfo:{solutionFile}:{configName}";
var obj = _buildEngine.GetRegisteredTaskObject(key, RegisteredTaskObjectLifetime.Build);
if (obj is SolutionInfo cachedSlnInfo)
{
solutions.Add(cachedSlnInfo);
return;
}
_logger.LogMessage($"Analyzing {solutionFile} ({configName})");
var projects = new ConcurrentBag<ProjectInfo>();
var projectFiles = GetProjectsForSolutionConfig(solutionFile, configName);
using (var projCollection = new ProjectCollection(solutionProps) { IsBuildEnabled = false })
{
Parallel.ForEach(projectFiles, projectFile =>
{
if (ct.IsCancellationRequested)
{
return;
}
try
{
projects.Add(new ProjectInfoFactory(_logger).Create(projectFile, projCollection));
}
catch (Exception ex)
{
_logger.LogErrorFromException(ex);
}
});
}
bool.TryParse(solution.GetMetadata("Build"), out var shouldBuild);
bool.TryParse(solution.GetMetadata("Shipped"), out var shipped);
var solutionInfo = new SolutionInfo(
solutionFile,
configName,
projects.ToArray(),
shouldBuild,
shipped);
_buildEngine.RegisterTaskObject(key, solutionInfo, RegisteredTaskObjectLifetime.Build, allowEarlyCollection: true);
solutions.Add(solutionInfo);
});
timer.Stop();
_logger.LogMessage(MessageImportance.High, $"Finished design-time build in {timer.ElapsedMilliseconds}ms");
return solutions.ToArray();
}
private IList<string> GetProjectsForSolutionConfig(string filePath, string configName)
{
var sln = SolutionFile.Parse(filePath);
if (string.IsNullOrEmpty(configName))
{
configName = sln.GetDefaultConfigurationName();
}
var projects = new List<string>();
var config = sln.SolutionConfigurations.FirstOrDefault(c => c.ConfigurationName == configName);
if (config == null)
{
throw new InvalidOperationException($"A solution configuration by the name of '{configName}' was not found in '{filePath}'");
}
foreach (var project in sln.ProjectsInOrder
.Where(p =>
p.ProjectType == SolutionProjectType.KnownToBeMSBuildFormat // skips solution folders
&& p.ProjectConfigurations.TryGetValue(config.FullName, out var projectConfig)
&& projectConfig.IncludeInBuild))
{
projects.Add(project.AbsolutePath.Replace('\\', '/'));
}
return projects;
}
}
}
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