138 lines
4.1 KiB
C#
138 lines
4.1 KiB
C#
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//
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// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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//
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// System.Reflection.Emit/UnmanagedMarshal.cs
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//
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// Author:
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// Paolo Molaro (lupus@ximian.com)
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//
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// (C) 2001-2002 Ximian, Inc. http://www.ximian.com
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//
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#if !FULL_AOT_RUNTIME
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using System.Reflection.Emit;
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using System.Runtime.InteropServices;
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using System;
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namespace System.Reflection.Emit {
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[Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
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[ComVisible (true)]
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[Serializable]
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[StructLayout (LayoutKind.Sequential)]
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public sealed class UnmanagedMarshal {
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#pragma warning disable 169, 414
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private int count;
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private UnmanagedType t;
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private UnmanagedType tbase;
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string guid;
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string mcookie;
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string marshaltype;
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internal Type marshaltyperef;
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private int param_num;
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private bool has_size;
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#pragma warning restore 169, 414
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private UnmanagedMarshal (UnmanagedType maint, int cnt) {
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count = cnt;
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t = maint;
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tbase = maint;
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}
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private UnmanagedMarshal (UnmanagedType maint, UnmanagedType elemt) {
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count = 0;
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t = maint;
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tbase = elemt;
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}
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public UnmanagedType BaseType {
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get {
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if (t == UnmanagedType.LPArray)
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throw new ArgumentException ();
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#if FEATURE_COMINTEROP
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if (t == UnmanagedType.SafeArray)
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throw new ArgumentException ();
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#endif
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return tbase;
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}
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}
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public int ElementCount {
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get {return count;}
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}
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public UnmanagedType GetUnmanagedType {
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get {return t;}
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}
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public Guid IIDGuid {
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get {return new Guid (guid);}
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}
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public static UnmanagedMarshal DefineByValArray( int elemCount) {
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return new UnmanagedMarshal (UnmanagedType.ByValArray, elemCount);
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}
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public static UnmanagedMarshal DefineByValTStr( int elemCount) {
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return new UnmanagedMarshal (UnmanagedType.ByValTStr, elemCount);
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}
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public static UnmanagedMarshal DefineLPArray( UnmanagedType elemType) {
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return new UnmanagedMarshal (UnmanagedType.LPArray, elemType);
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}
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#if FEATURE_COMINTEROP
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public static UnmanagedMarshal DefineSafeArray( UnmanagedType elemType) {
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return new UnmanagedMarshal (UnmanagedType.SafeArray, elemType);
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}
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#endif
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public static UnmanagedMarshal DefineUnmanagedMarshal( UnmanagedType unmanagedType) {
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return new UnmanagedMarshal (unmanagedType, unmanagedType);
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}
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#if FEATURE_COMINTEROP
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internal static UnmanagedMarshal DefineCustom (Type typeref, string cookie, string mtype, Guid id) {
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UnmanagedMarshal res = new UnmanagedMarshal (UnmanagedType.CustomMarshaler, UnmanagedType.CustomMarshaler);
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res.mcookie = cookie;
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res.marshaltype = mtype;
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res.marshaltyperef = typeref;
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if (id == Guid.Empty)
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res.guid = String.Empty;
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else
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res.guid = id.ToString ();
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return res;
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}
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#endif
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// sizeConst and sizeParamIndex can be -1 meaning they are not specified
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internal static UnmanagedMarshal DefineLPArrayInternal (UnmanagedType elemType, int sizeConst, int sizeParamIndex) {
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UnmanagedMarshal res = new UnmanagedMarshal (UnmanagedType.LPArray, elemType);
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res.count = sizeConst;
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res.param_num = sizeParamIndex;
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res.has_size = true;
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return res;
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}
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}
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}
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#endif
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