Merge pull request #5714 from alexischr/update_bockbuild
[mono.git] / mcs / class / Mono.Posix / Mono.Unix / UnixFileInfo.cs
1 //
2 // Mono.Unix/UnixFileInfo.cs
3 //
4 // Authors:
5 //   Jonathan Pryor (jonpryor@vt.edu)
6 //
7 // (C) 2004-2006 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.IO;
31 using System.Text;
32 using Mono.Unix;
33
34 namespace Mono.Unix {
35
36         public sealed class UnixFileInfo : UnixFileSystemInfo
37         {
38                 public UnixFileInfo (string path)
39                         : base (path)
40                 {
41                 }
42
43                 internal UnixFileInfo (string path, Native.Stat stat)
44                         : base (path, stat)
45                 {
46                 }
47
48                 public override string Name {
49                         get {return UnixPath.GetFileName (FullPath);}
50                 }
51
52                 public string DirectoryName {
53                         get {return UnixPath.GetDirectoryName (FullPath);}
54                 }
55
56                 public UnixDirectoryInfo Directory {
57                         get {return new UnixDirectoryInfo (DirectoryName);}
58                 }
59
60                 public override void Delete ()
61                 {
62                         int r = Native.Syscall.unlink (FullPath);
63                         UnixMarshal.ThrowExceptionForLastErrorIf (r);
64                         base.Refresh ();
65                 }
66
67                 public UnixStream Create ()
68                 {
69                         Native.FilePermissions mode = // 0644
70                                 Native.FilePermissions.S_IRUSR | Native.FilePermissions.S_IWUSR |
71                                 Native.FilePermissions.S_IRGRP | Native.FilePermissions.S_IROTH; 
72                         return Create (mode);
73                 }
74
75                 [CLSCompliant (false)]
76                 public UnixStream Create (Native.FilePermissions mode)
77                 {
78                         int fd = Native.Syscall.creat (FullPath, mode);
79                         if (fd < 0)
80                                 UnixMarshal.ThrowExceptionForLastError ();
81                         base.Refresh ();
82                         return new UnixStream (fd);
83                 }
84
85                 public UnixStream Create (FileAccessPermissions mode)
86                 {
87                         return Create ((Native.FilePermissions) mode);
88                 }
89
90                 [CLSCompliant (false)]
91                 public UnixStream Open (Native.OpenFlags flags)
92                 {
93                         if ((flags & Native.OpenFlags.O_CREAT) != 0)
94                                 throw new ArgumentException (
95                                                 "Cannot specify OpenFlags.O_CREAT without providing " + 
96                                                 "FilePermissions.  Use the Open(OpenFlags, FilePermissions) " +
97                                                 "method instead");
98                         int fd = Native.Syscall.open (FullPath, flags);
99                         if (fd < 0)
100                                 UnixMarshal.ThrowExceptionForLastError ();
101                         return new UnixStream (fd);
102                 }
103
104                 [CLSCompliant (false)]
105                 public UnixStream Open (Native.OpenFlags flags, Native.FilePermissions mode)
106                 {
107                         int fd = Native.Syscall.open (FullPath, flags, mode);
108                         if (fd < 0)
109                                 UnixMarshal.ThrowExceptionForLastError ();
110                         return new UnixStream (fd);
111                 }
112
113                 public UnixStream Open (FileMode mode)
114                 {
115                         Native.OpenFlags flags = Native.NativeConvert.ToOpenFlags (mode, FileAccess.ReadWrite);
116                         return Open (flags);
117                 }
118
119                 public UnixStream Open (FileMode mode, FileAccess access)
120                 {
121                         Native.OpenFlags flags = Native.NativeConvert.ToOpenFlags (mode, access);
122                         return Open (flags);
123                 }
124
125                 [CLSCompliant (false)]
126                 public UnixStream Open (FileMode mode, FileAccess access, Native.FilePermissions perms)
127                 {
128                         Native.OpenFlags flags = Native.NativeConvert.ToOpenFlags (mode, access);
129                         int fd = Native.Syscall.open (FullPath, flags, perms);
130                         if (fd < 0)
131                                 UnixMarshal.ThrowExceptionForLastError ();
132                         return new UnixStream (fd);
133                 }
134
135                 public UnixStream OpenRead ()
136                 {
137                         return Open (FileMode.Open, FileAccess.Read);
138                 }
139
140                 public UnixStream OpenWrite ()
141                 {
142                         return Open (FileMode.OpenOrCreate, FileAccess.Write);
143                 }
144         }
145 }
146
147 // vim: noexpandtab