Files
mpv.net/mpv.net/Scripting/PowerShellScript.cs
2020-03-03 23:02:40 +01:00

130 lines
5.0 KiB
C#

using System;
using System.IO;
using System.Threading;
using System.Management.Automation.Runspaces;
using System.Reflection;
using System.Management.Automation;
namespace mpvnet
{
public class PowerShellScript
{
public static void Execute(string filepath, params string[] parameters)
{
using (Runspace runspace = RunspaceFactory.CreateRunspace())
{
runspace.ApartmentState = ApartmentState.STA;
runspace.Open();
using (Pipeline pipeline = runspace.CreatePipeline())
{
pipeline.Commands.AddScript(
"Using namespace mpvnet\n" +
"Using namespace System\n" +
"[System.Reflection.Assembly]::LoadWithPartialName(\"mpvnet\")\n");
pipeline.Commands.AddScript(File.ReadAllText(filepath));
if (parameters != null)
foreach (string i in parameters)
pipeline.Commands[1].Parameters.Add(null, i);
PowerShellOutput output = new PowerShellOutput();
output.ModuleName = Path.GetFileName(filepath);
pipeline.Output.DataReady += output.Output_DataReady;
pipeline.Error.DataReady += output.Error_DataReady;
runspace.SessionStateProxy.SetVariable("Output", output);
try {
pipeline.Invoke();
}
catch (RuntimeException e) {
Msg.ShowError("PowerShell Exception", e.Message + "\n\n" +
e.ErrorRecord.ScriptStackTrace.Replace(" <ScriptBlock>, <No file>", "") +
"\n\n" + Path.GetFileName(filepath));
}
catch (Exception e) {
Msg.ShowException(e);
}
pipeline.Output.DataReady -= output.Output_DataReady;
pipeline.Error.DataReady -= output.Error_DataReady;
}
}
}
public static void Init(string filepath)
{
foreach (var eventInfo in typeof(mp).GetEvents())
{
if (eventInfo.Name.ToLower() ==
Path.GetFileNameWithoutExtension(filepath).ToLower().Replace("-", ""))
{
PowerShellEventObject eventObject = new PowerShellEventObject();
MethodInfo mi;
eventObject.Filepath = filepath;
if (eventInfo.EventHandlerType == typeof(Action))
mi = eventObject.GetType().GetMethod(nameof(PowerShellEventObject.Invoke));
else if (eventInfo.EventHandlerType == typeof(Action<EndFileEventMode>))
mi = eventObject.GetType().GetMethod(nameof(PowerShellEventObject.InvokeEndFile));
else if (eventInfo.EventHandlerType == typeof(Action<string[]>))
mi = eventObject.GetType().GetMethod(nameof(PowerShellEventObject.InvokeStrings));
else
throw new Exception();
eventObject.EventInfo = eventInfo;
Delegate handler = Delegate.CreateDelegate(eventInfo.EventHandlerType, eventObject, mi);
eventObject.Delegate = handler;
eventInfo.AddEventHandler(eventObject, handler);
return;
}
}
Execute(filepath);
}
class PowerShellOutput
{
public string ModuleName { get; set; }
public bool WriteStandard { get; set; } = true;
public bool WriteError { get; set; } = true;
public void Output_DataReady(object sender, EventArgs e)
{
if (!WriteStandard)
return;
var output = sender as PipelineReader<PSObject>;
while (output.Count > 0)
Console.WriteLine("[" + ModuleName + "] " + output.Read().ToString());
}
public void Error_DataReady(object sender, EventArgs e)
{
if (!WriteError)
return;
var output = sender as PipelineReader<Object>;
while (output.Count > 0)
ConsoleHelp.WriteError("[" + ModuleName + "] " + output.Read().ToString());
}
}
}
public class PowerShellEventObject
{
public EventInfo EventInfo { get; set; }
public Delegate Delegate { get; set; }
public string Filepath { get; set; }
public void Invoke() => PowerShellScript.Execute(Filepath);
public void InvokeEndFile(EndFileEventMode arg) => PowerShellScript.Execute(Filepath, arg.ToString());
public void InvokeStrings(string[] args) => PowerShellScript.Execute(Filepath, args);
}
}