1 //
2 // Mono.Unix/FileNameMarshaler.cs
3 //
4 // Authors:
5 //   Jonathan Pryor (jonpryor@vt.edu)
6 //
7 // (C) 2005 Jonathan Pryor
8 //
9 // Permission is hereby granted, free of charge, to any person obtaining
10 // a copy of this software and associated documentation files (the
11 // "Software"), to deal in the Software without restriction, including
12 // without limitation the rights to use, copy, modify, merge, publish,
13 // distribute, sublicense, and/or sell copies of the Software, and to
14 // permit persons to whom the Software is furnished to do so, subject to
15 // the following conditions:
16 //
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
19 //
20 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
21 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
22 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
23 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
24 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
25 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
26 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 //
28 
29 using System;
30 using System.Runtime.InteropServices;
31 using Mono.Unix;
32 
33 namespace Mono.Unix.Native {
34 
35 	class FileNameMarshaler : ICustomMarshaler {
36 
37 		private static FileNameMarshaler Instance = new FileNameMarshaler ();
38 
GetInstance(string s)39 		public static ICustomMarshaler GetInstance (string s)
40 		{
41 			return Instance;
42 		}
43 
CleanUpManagedData(object o)44 		public void CleanUpManagedData (object o)
45 		{
46 		}
47 
CleanUpNativeData(IntPtr pNativeData)48 		public void CleanUpNativeData (IntPtr pNativeData)
49 		{
50 			// Console.WriteLine ("# FileNameMarshaler.CleanUpManagedData ({0:x})", pNativeData);
51 			UnixMarshal.FreeHeap (pNativeData);
52 		}
53 
GetNativeDataSize()54 		public int GetNativeDataSize ()
55 		{
56 			return IntPtr.Size;
57 		}
58 
MarshalManagedToNative(object obj)59 		public IntPtr MarshalManagedToNative (object obj)
60 		{
61 			string s = obj as string;
62 			if (s == null)
63 				return IntPtr.Zero;
64 			IntPtr p = UnixMarshal.StringToHeap (s, UnixEncoding.Instance);
65 			// Console.WriteLine ("# FileNameMarshaler.MarshalNativeToManaged for `{0}'={1:x}", s, p);
66 			return p;
67 		}
68 
MarshalNativeToManaged(IntPtr pNativeData)69 		public object MarshalNativeToManaged (IntPtr pNativeData)
70 		{
71 			string s = UnixMarshal.PtrToString (pNativeData, UnixEncoding.Instance);
72 			// Console.WriteLine ("# FileNameMarshaler.MarshalNativeToManaged ({0:x})=`{1}'",
73 			// 		pNativeData, s);
74 			return s;
75 		}
76 	}
77 }
78 
79 // vim: noexpandtab
80