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Add file system watcher v1

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This commit is contained in:
Matt Parker
2025-10-08 00:18:13 +10:00
parent 80942c464b
commit f4356b7653
6 changed files with 118 additions and 11 deletions
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20
Directory.Packages.props
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@@ -2,8 +2,8 @@
<PropertyGroup>
<ManagePackageVersionsCentrally>true</ManagePackageVersionsCentrally>
<CentralPackageTransitivePinningEnabled>true</CentralPackageTransitivePinningEnabled>
<!-- We are not using package source mapping. -->
<NoWarn>$(NoWarn);NU1507</NoWarn>
<!-- We are not using package source mapping. -->
<NoWarn>$(NoWarn);NU1507</NoWarn>
</PropertyGroup>
<ItemGroup>
<PackageVersion Include="Ardalis.GuardClauses" Version="5.0.0" />
@@ -12,6 +12,7 @@
<PackageVersion Include="BlazorMonaco" Version="3.3.0" />
<PackageVersion Include="CliWrap" Version="3.9.0" />
<PackageVersion Include="ClrDebug" Version="0.3.4" />
<PackageVersion Include="FileWatcherEx" Version="2.7.0" />
<PackageVersion Include="Krafs.Publicizer" Version="2.3.0" />
<PackageVersion Include="Microsoft.AspNetCore.Components" Version="10.0.0-rc.1.25451.107" />
<PackageVersion Include="Microsoft.AspNetCore.Components.WebView" Version="10.0.0-rc.1.25451.107" />
@@ -24,6 +25,7 @@
<PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0-2.25465.103" />
<PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Features" Version="5.0.0-2.25465.103" />
<PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.0.0-2.25465.103" />
<PackageVersion Include="Microsoft.Extensions.FileSystemGlobbing" Version="10.0.0-rc.1.25451.107" />
<PackageVersion Include="Microsoft.Extensions.ObjectPool" Version="8.0.0" />
<PackageVersion Include="Microsoft.AspNetCore.Razor.Utilities.Shared" Version="10.0.0-preview.25465.103" />
<PackageVersion Include="Microsoft.CodeAnalysis.Features" Version="5.0.0-2.25465.103" />
@@ -46,14 +48,14 @@
<PackageVersion Include="R3" Version="1.3.0" />
<PackageVersion Include="XtermBlazor" Version="2.1.2" />
</ItemGroup>
<ItemGroup Label="Aspire">
<PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Instrumentation.Runtime" Version="1.12.0" />
</ItemGroup>
<ItemGroup Label="Aspire">
<PackageVersion Include="OpenTelemetry.Exporter.OpenTelemetryProtocol" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Extensions.Hosting" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Instrumentation.Http" Version="1.12.0" />
<PackageVersion Include="OpenTelemetry.Instrumentation.Runtime" Version="1.12.0" />
</ItemGroup>
<ItemGroup Label="Pinned Transitive Dependencies">
<PackageVersion Include="Microsoft.CodeAnalysis.ExternalAccess.Razor.Features" Version="5.0.0-2.25465.103" />
<PackageVersion Include="Microsoft.CodeAnalysis.Remote.ServiceHub" Version="5.0.0-2.25465.103" />
</ItemGroup>
</Project>
</Project>

93
src/SharpIDE.Application/Features/FileWatching/IdeFileWatcher.cs Normal file
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@@ -0,0 +1,93 @@
using FileWatcherEx;
using Microsoft.Extensions.FileSystemGlobbing;
using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
namespace SharpIDE.Application.Features.FileWatching;
public sealed class IdeFileWatcher : IDisposable
{
private Matcher? _matcher;
private FileSystemWatcherEx? _fileWatcher;
private SharpIdeSolutionModel? _solution;
public void StartWatching(SharpIdeSolutionModel solution)
{
_solution = solution;
var matcher = new Matcher();
//matcher.AddIncludePatterns(["**/*.cs", "**/*.csproj", "**/*.sln"]);
matcher.AddIncludePatterns(["**/*"]);
matcher.AddExcludePatterns(["**/bin", "**/obj", "**/node_modules", "**/.vs", "**/.git", "**/.idea", "**/.vscode"]);
_matcher = matcher;
var fileWatcher = new FileSystemWatcherEx();
fileWatcher.FolderPath = solution.DirectoryPath;
//fileWatcher.Filters.AddRange(["*"]);
fileWatcher.IncludeSubdirectories = true;
fileWatcher.NotifyFilter = NotifyFilters.LastWrite | NotifyFilters.FileName | NotifyFilters.DirectoryName;
fileWatcher.OnChanged += OnEvent;
fileWatcher.OnCreated += OnEvent;
fileWatcher.OnDeleted += OnEvent;
fileWatcher.OnRenamed += OnEvent;
fileWatcher.Start();
_fileWatcher = fileWatcher;
}
public void StopWatching()
{
if (_fileWatcher is not null)
{
_fileWatcher.Stop();
_fileWatcher.Dispose();
_fileWatcher = null!;
}
}
// TODO: Put events on a queue and process them in the background to avoid filling the buffer? FileSystemWatcherEx might already handle this
private void OnEvent(object? sender, FileChangedEvent e)
{
var matchResult = _matcher!.Match(_solution!.DirectoryPath, e.FullPath);
if (!matchResult.HasMatches) return;
switch (e.ChangeType)
{
case ChangeType.CHANGED: HandleChanged(e.FullPath); break;
case ChangeType.CREATED: HandleCreated(e.FullPath); break;
case ChangeType.DELETED: HandleDeleted(e.FullPath); break;
case ChangeType.RENAMED: HandleRenamed(e.OldFullPath, e.FullPath); break;
default: throw new ArgumentOutOfRangeException();
}
}
private void HandleRenamed(string? oldFullPath, string fullPath)
{
Console.WriteLine($"FileSystemWatcher: Renamed - {oldFullPath}, {fullPath}");
}
private void HandleDeleted(string fullPath)
{
Console.WriteLine($"FileSystemWatcher: Deleted - {fullPath}");
}
private void HandleCreated(string fullPath)
{
Console.WriteLine($"FileSystemWatcher: Created - {fullPath}");
}
// The only changed event we care about is files, not directories
// We will naively assume that if the file name does not have an extension, it's a directory
// This may not always be true, but it lets us avoid reading the file system to check
// TODO: Make a note to users that they should not use files without extensions
private void HandleChanged(string fullPath)
{
if (Path.HasExtension(fullPath) is false) return;
// TODO: Handle updating the content of open files in editors
Console.WriteLine($"FileSystemWatcher: Changed - {fullPath}");
}
public void Dispose()
{
StopWatching();
}
}

2
src/SharpIDE.Application/Features/SolutionDiscovery/VsPersistence/SharpIdeModels.cs
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@@ -34,6 +34,7 @@ public class SharpIdeSolutionModel : ISharpIdeNode, IExpandableSharpIdeNode
{
public required string Name { get; set; }
public required string FilePath { get; set; }
public required string DirectoryPath { get; set; }
public required List<SharpIdeProjectModel> Projects { get; set; }
public required List<SharpIdeSolutionFolder> Folders { get; set; }
public required HashSet<SharpIdeProjectModel> AllProjects { get; set; }
@@ -48,6 +49,7 @@ public class SharpIdeSolutionModel : ISharpIdeNode, IExpandableSharpIdeNode
var allFiles = new ConcurrentBag<SharpIdeFile>();
Name = solutionName;
FilePath = solutionFilePath;
DirectoryPath = Path.GetDirectoryName(solutionFilePath)!;
Projects = intermediateModel.Projects.Select(s => new SharpIdeProjectModel(s, allProjects, allFiles, this)).ToList();
Folders = intermediateModel.SolutionFolders.Select(s => new SharpIdeSolutionFolder(s, allProjects, allFiles, this)).ToList();
AllProjects = allProjects.ToHashSet();

2
src/SharpIDE.Application/SharpIDE.Application.csproj
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@@ -19,7 +19,9 @@
<ItemGroup>
<PackageReference Include="CliWrap" />
<PackageReference Include="FileWatcherEx" />
<PackageReference Include="Microsoft.Diagnostics.NETCore.Client" PrivateAssets="all" />
<PackageReference Include="Microsoft.Extensions.FileSystemGlobbing" />
<PackageReference Include="Microsoft.VisualStudio.Shared.VSCodeDebugProtocol" />
<!-- If any Microsoft.Build.*.dll (Excluding Locator) ends up in the output, it will be prioritised for loading by MSBuild Nodes -->
<PackageReference Include="Ardalis.GuardClauses" />

6
src/SharpIDE.Godot/IdeRoot.cs
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@@ -4,6 +4,8 @@ using Microsoft.Extensions.Hosting;
using SharpIDE.Application.Features.Analysis;
using SharpIDE.Application.Features.Build;
using SharpIDE.Application.Features.Events;
using SharpIDE.Application.Features.FileWatching;
using SharpIDE.Application.Features.Run;
using SharpIDE.Application.Features.SolutionDiscovery;
using SharpIDE.Application.Features.SolutionDiscovery.VsPersistence;
using SharpIDE.Godot.Features.BottomPanel;
@@ -39,6 +41,10 @@ public partial class IdeRoot : Control
{
GodotGlobalEvents.Instance = new GodotGlobalEvents();
GlobalEvents.Instance = new GlobalEvents();
Singletons.RunService = new RunService();
Singletons.BuildService = new BuildService();
Singletons.FileWatcher?.Dispose();
Singletons.FileWatcher = new IdeFileWatcher();
}
public override void _Ready()

6
src/SharpIDE.Godot/Singletons.cs
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@@ -1,4 +1,5 @@
using SharpIDE.Application.Features.Build;
using SharpIDE.Application.Features.FileWatching;
using SharpIDE.Application.Features.Run;
using SharpIDE.Godot.Features.IdeSettings;
@@ -6,7 +7,8 @@ namespace SharpIDE.Godot;
public static class Singletons
{
public static RunService RunService { get; } = new RunService();
public static BuildService BuildService { get; } = new BuildService();
public static RunService RunService { get; set; } = null!;
public static BuildService BuildService { get; set; } = null!;
public static IdeFileWatcher FileWatcher { get; set; } = null!;
public static AppState AppState { get; set; } = null!;
}