**** Merged from MCS ****
[mono-project.git] / mcs / class / corlib / System.Runtime.Remoting.Messaging / ArgInfo.cs
blob813701613b1a5c80fb58de4c30ea8de72289a23f
1 //
2 // System.Runtime.Remoting.Messaging.ArgInfo.cs
3 //
4 // Author: Lluis Sanchez Gual (lluis@ideary.com)
5 //
6 // 2003 (C) Lluis Sanchez Gual
7 //
9 //
10 // Copyright (C) 2004 Novell, Inc (http://www.novell.com)
12 // Permission is hereby granted, free of charge, to any person obtaining
13 // a copy of this software and associated documentation files (the
14 // "Software"), to deal in the Software without restriction, including
15 // without limitation the rights to use, copy, modify, merge, publish,
16 // distribute, sublicense, and/or sell copies of the Software, and to
17 // permit persons to whom the Software is furnished to do so, subject to
18 // the following conditions:
19 //
20 // The above copyright notice and this permission notice shall be
21 // included in all copies or substantial portions of the Software.
22 //
23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
32 using System;
33 using System.Reflection;
35 namespace System.Runtime.Remoting.Messaging
37 internal enum ArgInfoType : byte { In, Out };
39 internal class ArgInfo
41 int[] _paramMap;
42 int _inoutArgCount;
43 MethodBase _method;
45 public ArgInfo(MethodBase method, ArgInfoType type)
47 _method = method;
49 ParameterInfo[] parameters = _method.GetParameters();
50 _paramMap = new int[parameters.Length];
51 _inoutArgCount = 0;
53 if (type == ArgInfoType.In) {
54 for (int n=0; n<parameters.Length; n++)
55 if (!parameters[n].ParameterType.IsByRef) { _paramMap [_inoutArgCount++] = n; }
57 else {
58 for (int n=0; n<parameters.Length; n++)
59 if (parameters[n].ParameterType.IsByRef || parameters[n].IsOut)
60 { _paramMap [_inoutArgCount++] = n; }
64 public int GetInOutArgIndex (int inoutArgNum)
66 return _paramMap[inoutArgNum];
69 public virtual string GetInOutArgName (int index)
71 return _method.GetParameters()[_paramMap[index]].Name;
74 public int GetInOutArgCount ()
76 return _inoutArgCount;
79 public object [] GetInOutArgs (object[] args)
81 object[] inoutArgs = new object[_inoutArgCount];
82 for (int n=0; n<_inoutArgCount; n++)
83 inoutArgs[n] = args[_paramMap[n]];
84 return inoutArgs;