| 1 | using CascadeIDE.Contracts; |
| 2 | |
| 3 | namespace CascadeIDE.Features.Terminal.DataAcquisition; |
| 4 | |
| 5 | /// <summary>Lifecycle wrapper for ConPTY/redirected integrated shell session.</summary> |
| 6 | [IoBoundary] |
| 7 | internal sealed class IntegratedTerminalSessionHost : IDisposable |
| 8 | { |
| 9 | private readonly Func<string?> _getSolutionPath; |
| 10 | private IIntegratedShellSession? _session; |
| 11 | private bool _disposed; |
| 12 | |
| 13 | public IntegratedTerminalSessionHost(Func<string?> getSolutionPath) => |
| 14 | _getSolutionPath = getSolutionPath; |
| 15 | |
| 16 | public event Action<byte[]>? OutputReceived; |
| 17 | |
| 18 | public event Action<int>? SessionExited; |
| 19 | |
| 20 | public string? ActiveShellDisplayName { get; private set; } |
| 21 | |
| 22 | public void EnsureStarted() |
| 23 | { |
| 24 | ObjectDisposedException.ThrowIf(_disposed, this); |
| 25 | if (_session is not null) |
| 26 | return; |
| 27 | |
| 28 | var workingDirectory = IntegratedShellLaunch.ResolveWorkingDirectory(_getSolutionPath()); |
| 29 | var launch = IntegratedShellLaunch.ResolveLaunchConfiguration(workingDirectory); |
| 30 | ActiveShellDisplayName = launch.DisplayName; |
| 31 | |
| 32 | _session = IntegratedShellLaunch.CreateSession(launch); |
| 33 | _session.DataReceived += OnDataReceived; |
| 34 | _session.Exited += OnSessionExited; |
| 35 | } |
| 36 | |
| 37 | public void SendInput(byte[] input) |
| 38 | { |
| 39 | ObjectDisposedException.ThrowIf(_disposed, this); |
| 40 | if (input.Length == 0) |
| 41 | return; |
| 42 | |
| 43 | EnsureStarted(); |
| 44 | _session!.Send(input); |
| 45 | } |
| 46 | |
| 47 | public void Resize(int cols, int rows) |
| 48 | { |
| 49 | ObjectDisposedException.ThrowIf(_disposed, this); |
| 50 | if (_session is null || cols <= 0 || rows <= 0) |
| 51 | return; |
| 52 | |
| 53 | _session.Resize(cols, rows); |
| 54 | } |
| 55 | |
| 56 | public void Dispose() |
| 57 | { |
| 58 | if (_disposed) |
| 59 | return; |
| 60 | |
| 61 | _disposed = true; |
| 62 | if (_session is not null) |
| 63 | { |
| 64 | _session.DataReceived -= OnDataReceived; |
| 65 | _session.Exited -= OnSessionExited; |
| 66 | _session.Dispose(); |
| 67 | _session = null; |
| 68 | } |
| 69 | } |
| 70 | |
| 71 | private void OnDataReceived(byte[] data) |
| 72 | { |
| 73 | if (data.Length == 0) |
| 74 | return; |
| 75 | |
| 76 | OutputReceived?.Invoke(data); |
| 77 | } |
| 78 | |
| 79 | private void OnSessionExited(int exitCode) |
| 80 | { |
| 81 | SessionExited?.Invoke(exitCode); |
| 82 | if (_session is not null) |
| 83 | { |
| 84 | _session.DataReceived -= OnDataReceived; |
| 85 | _session.Exited -= OnSessionExited; |
| 86 | _session.Dispose(); |
| 87 | _session = null; |
| 88 | } |
| 89 | } |
| 90 | } |
| 91 | |