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using System;
using System.IO;
using System.Linq;
using System.Collections.Generic;
using Microsoft.Build.Construction;
using VNLib.Tools.Build.Executor.Model;
using VNLib.Tools.Build.Executor.Projects;
using VNLib.Tools.Build.Executor.Constants;
using static VNLib.Tools.Build.Executor.Constants.Config;
using VNLib.Tools.Build.Executor.Extensions;
namespace VNLib.Tools.Build.Executor.Modules
{
/*
* Discovers all projects within a dotnet solution file. First it finds the solution file in the
* working directory, then it parses the solution file to find all projects within the solution.
*
* Leaf projects are then discovered by searching for all project files within the working directory
* that are not part of the solution.
*/
internal sealed class MsBuildModuleExplorer(BuildConfig config, IModuleData Module, DirectoryInfo ModuleDir) : IProjectExplorer
{
///<inheritdoc/>
public IEnumerable<IProject> DiscoverProjects()
{
LinkedList<IProject> projects = new();
//First load the solution file
FileInfo? slnFile = ModuleDir.EnumerateFiles("*.sln", SearchOption.TopDirectoryOnly).FirstOrDefault();
if(slnFile is not null)
{
GetProjectsForSoution(slnFile, projects);
}
//Capture any leaf projects that are not part of the solution
IEnumerable<FileInfo> leafProjects = ModuleDir.EnumerateFiles("package.json", SearchOption.AllDirectories).Distinct();
//Capture them
foreach (FileInfo leafProjFile in leafProjects)
{
//Create relative file path
string realtivePath = leafProjFile.FullName.Replace(ModuleDir.FullName, string.Empty).TrimStart(Path.DirectorySeparatorChar);
//If the leaf project is ignored, skip it
if (Module.Repository.IsFileIgnored(realtivePath))
{
continue;
}
//Create the leaf project
LeafProject project = new(config, leafProjFile);
Log.Verbose("Discovered leaf project in {proj} ", leafProjFile.DirectoryName);
projects.AddLast(project);
}
return projects;
}
private static void GetProjectsForSoution(FileInfo slnFile, LinkedList<IProject> projects)
{
//Parse solution
SolutionFile Solution = SolutionFile.Parse(slnFile.FullName);
//Loop through all artificats within the solution
foreach (ProjectInSolution proj in Solution.ProjectsInOrder.Where(static p => p.ProjectType == SolutionProjectType.KnownToBeMSBuildFormat))
{
//Ignore test projects in a solution
if(proj.ProjectName.Contains("test", StringComparison.OrdinalIgnoreCase))
{
continue;
}
//Create the new project artifact
DotnetProject project = new(new(proj.AbsolutePath), proj.ProjectName);
Log.Verbose("Discovered project {proj} ", proj.ProjectName);
projects.AddLast(project);
}
}
}
}
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