ps12exe

0.4.8

src/programFrames/DllExport.cs

using System;
using System.Collections.Generic;
using System.Text;
using System.Management.Automation;
using System.Management.Automation.Runspaces;
using System.Management.Automation.Language;
using System.Globalization;
using System.Management.Automation.Host;
using System.Security;
using System.Reflection;
using System.Text.RegularExpressions;
using System.Runtime.InteropServices;
using RGiesecke.DllExport;
using System.Runtime.Versioning;
 
namespace PSRunnerNS {
    partial static class PSRunnerEntry {
        // DllInitChecker
        [$threadingModelThread]
        public static void DllInitChecker() {
            if(!Inited) {
                PSRunner.BaseInit();
                // run pwsh code
                System.Threading.ManualResetEvent mre = new System.Threading.ManualResetEvent(false);
 
                PSDataCollection<string> colInput = new PSDataCollection<string> ();
                colInput.Complete();
 
                PSDataCollection<PSObject> colOutput = new PSDataCollection<PSObject> ();
                colOutput.DataAdded += (object sender, DataAddedEventArgs e) => {
                    me.ui.WriteLine(((PSDataCollection<PSObject>) sender)[e.Index].ToString());
                };
 
                me.pwsh.AddScript(".$PSEXECodeBlock|Out-String -Stream");
 
                me.pwsh.BeginInvoke<string, PSObject> (colInput, colOutput, null, (IAsyncResult ar) => {
                    if (ar.IsCompleted)
                        mre.Set();
                }, null);
 
                while (!mre.WaitOne(100))
                    if (me.ShouldExit) break;
 
                Inited = true;
 
                if(me.pwsh.InvocationStateInfo.State == PSInvocationState.Failed)
                    me.ui.WriteErrorLine(me.pwsh.InvocationStateInfo.Reason.Message);
 
                mre.Dispose();
            }
        }
        [DllExport("DllExportExample", CallingConvention = CallingConvention.StdCall)]
        public static int DllExportExample(int a, int b) {
            DllInitChecker();
            if(me.ShouldExit)
                throw new System.TypeUnloadedException(me.pwsh.InvocationStateInfo.Reason.Message);
            //set parameters as variables in psrunspace
            me.PSRunSpace.SessionStateProxy.SetVariable("PSEXEDLLCallIngParameters", new System.Collections.ArrayList{a, b});
            me.pwsh.AddScript("DllExportExample @PSEXEDLLCallIngParameters");
            System.Threading.ManualResetEvent mre = new System.Threading.ManualResetEvent(false);
 
            PSDataCollection<string> colInput = new PSDataCollection<string> ();
            colInput.Complete();
 
            PSDataCollection<PSObject> colOutput = new PSDataCollection<PSObject> ();
            //output as return value
            colOutput.Complete();
 
            me.pwsh.BeginInvoke<string, PSObject> (colInput, colOutput, null, (IAsyncResult ar) => {
                if (ar.IsCompleted)
                    mre.Set();
            }, null);
 
            while (!mre.WaitOne(100))
                if (me.ShouldExit) break;
 
            if(me.pwsh.InvocationStateInfo.State == PSInvocationState.Failed)
                throw new System.InternalErrorException(me.pwsh.InvocationStateInfo.Reason.Message);
 
            //if only one object is in colOutput, return it
            if(colOutput.Count == 1)
                return colOutput[0];
            //else return the whole collection
            return colOutput;
        }
    }
}