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Code Issues Releases Wiki Activity

Unfinished work on object marshaler

pull/83/head
David Hall 2019-12-06 17:09:56 -07:00
parent 159f1c8235
commit 38baa53cc1
1 changed files with 39 additions and 1 deletions
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40
Core/InteropServices/IntPtrConverter.cs
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@ -1,10 +1,14 @@
using System; using System;
using System.Collections;
using System.Collections.Generic;
using System.IO; using System.IO;
using System.Linq; using System.Linq;
using System.Reflection;
using System.Runtime.InteropServices; using System.Runtime.InteropServices;
using System.Runtime.Serialization; using System.Runtime.Serialization;
using System.Runtime.Serialization.Formatters.Binary; using System.Runtime.Serialization.Formatters.Binary;
using Vanara.Extensions; using Vanara.Extensions;
using Vanara.Extensions.Reflection;
using Vanara.PInvoke; using Vanara.PInvoke;
namespace Vanara.InteropServices namespace Vanara.InteropServices
@ -52,7 +56,7 @@ namespace Vanara.InteropServices
{ {
return marshaler.MarshalNativeToManaged(ptr, sz); return marshaler.MarshalNativeToManaged(ptr, sz);
} }
if (typeof(ISerializable).IsAssignableFrom(destType)) if (destType.IsSerializable)
{ {
using var mem = new MemoryStream(ptr.ToArray<byte>((int)sz)); using var mem = new MemoryStream(ptr.ToArray<byte>((int)sz));
return new BinaryFormatter().Deserialize(mem); return new BinaryFormatter().Deserialize(mem);
@ -101,6 +105,40 @@ namespace Vanara.InteropServices
object GetBlittable(Type retType) => InteropExtensions.GetValueType(ptr, retType); object GetBlittable(Type retType) => InteropExtensions.GetValueType(ptr, retType);
} }
/*public static IntPtr Convert(object value, Func<int, IntPtr> memAlloc, out int bytesAllocated, CharSet charSet = CharSet.Auto, int prefixBytes = 0)
{
bytesAllocated = 0;
if (value is null)
return IntPtr.Zero;
var type = value.GetType();
// Handle special cases
if (type.IsArray || type.InheritsFrom(typeof(IEnumerable<>)))
{
var elemType = type.FindElementType();
if (elemType == typeof(string))
{
}
else
{
var enumType = typeof(IEnumerable<>).MakeGenericType(new[] { elemType });
var mi = typeof(InteropExtensions).GetMethod("Write", BindingFlags.Public | BindingFlags.Static, null, new[] { typeof(IntPtr), enumType, typeof(int), typeof(SizeT) }, null);
var gmi = mi.MakeGenericMethod(new[] { elemType });
return gmi.Invoke(null, new object[] { x });
}
}
if (value is IEnumerable)
{
if ()
{
}
}
throw new NotImplementedException();
}*/
/// <summary>Converts the specified pointer to <typeparamref name="T"/>.</summary> /// <summary>Converts the specified pointer to <typeparamref name="T"/>.</summary>
/// <typeparam name="T">The destination type.</typeparam> /// <typeparam name="T">The destination type.</typeparam>
/// <param name="hMem">A block of allocated memory.</param> /// <param name="hMem">A block of allocated memory.</param>