1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
//
// Copyright (C) 2004 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
//
// System.Reflection.Emit/UnmanagedMarshal.cs
//
// Author:
// Paolo Molaro (lupus@ximian.com)
//
// (C) 2001-2002 Ximian, Inc. http://www.ximian.com
//
using System.Reflection.Emit;
using System.Runtime.InteropServices;
using System;
namespace System.Reflection.Emit {
[Obsolete ("An alternate API is available: Emit the MarshalAs custom attribute instead.")]
[ComVisible (true)]
[Serializable]
[StructLayout (LayoutKind.Sequential)]
public sealed class UnmanagedMarshal {
#pragma warning disable 169, 414
private int count;
private UnmanagedType t;
private UnmanagedType tbase;
string guid;
string mcookie;
string marshaltype;
Type marshaltyperef;
private int param_num;
private bool has_size;
#pragma warning restore 169, 414
private UnmanagedMarshal (UnmanagedType maint, int cnt) {
count = cnt;
t = maint;
tbase = maint;
}
private UnmanagedMarshal (UnmanagedType maint, UnmanagedType elemt) {
count = 0;
t = maint;
tbase = elemt;
}
public UnmanagedType BaseType {
get {
if (t == UnmanagedType.LPArray || t == UnmanagedType.SafeArray)
throw new ArgumentException ();
return tbase;
}
}
public int ElementCount {
get {return count;}
}
public UnmanagedType GetUnmanagedType {
get {return t;}
}
public Guid IIDGuid {
get {return new Guid (guid);}
}
public static UnmanagedMarshal DefineByValArray( int elemCount) {
return new UnmanagedMarshal (UnmanagedType.ByValArray, elemCount);
}
public static UnmanagedMarshal DefineByValTStr( int elemCount) {
return new UnmanagedMarshal (UnmanagedType.ByValTStr, elemCount);
}
public static UnmanagedMarshal DefineLPArray( UnmanagedType elemType) {
return new UnmanagedMarshal (UnmanagedType.LPArray, elemType);
}
public static UnmanagedMarshal DefineSafeArray( UnmanagedType elemType) {
return new UnmanagedMarshal (UnmanagedType.SafeArray, elemType);
}
public static UnmanagedMarshal DefineUnmanagedMarshal( UnmanagedType unmanagedType) {
return new UnmanagedMarshal (unmanagedType, unmanagedType);
}
internal static UnmanagedMarshal DefineCustom (Type typeref, string cookie, string mtype, Guid id) {
UnmanagedMarshal res = new UnmanagedMarshal (UnmanagedType.CustomMarshaler, UnmanagedType.CustomMarshaler);
res.mcookie = cookie;
res.marshaltype = mtype;
res.marshaltyperef = typeref;
if (id == Guid.Empty)
res.guid = String.Empty;
else
res.guid = id.ToString ();
return res;
}
// sizeConst and sizeParamIndex can be -1 meaning they are not specified
internal static UnmanagedMarshal DefineLPArrayInternal (UnmanagedType elemType, int sizeConst, int sizeParamIndex) {
UnmanagedMarshal res = new UnmanagedMarshal (UnmanagedType.LPArray, elemType);
res.count = sizeConst;
res.param_num = sizeParamIndex;
res.has_size = true;
return res;
}
}
}
|
