2 // Mono.Unix/UnixFileInfo.cs
5 // Jonathan Pryor (jonpryor@vt.edu)
7 // (C) 2004 Jonathan Pryor
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:
17 // The above copyright notice and this permission notice shall be
18 // included in all copies or substantial portions of the Software.
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.
36 public class UnixFileInfo : UnixFileSystemInfo
38 public UnixFileInfo (string path)
43 internal UnixFileInfo (string path, Stat stat)
48 public override void Delete ()
50 int r = Syscall.unlink (Path);
51 UnixMarshal.ThrowExceptionForLastErrorIf (r);
55 public UnixStream Create ()
57 FilePermissions mode = // 0644
58 FilePermissions.S_IRUSR | FilePermissions.S_IWUSR |
59 FilePermissions.S_IRGRP | FilePermissions.S_IROTH;
63 public UnixStream Create (FilePermissions mode)
65 int fd = Syscall.creat (Path, mode);
67 UnixMarshal.ThrowExceptionForLastError ();
69 return new UnixStream (fd);
72 public UnixStream Open (OpenFlags flags)
74 int fd = Syscall.open (Path, flags);
76 UnixMarshal.ThrowExceptionForLastError ();
77 return new UnixStream (fd);
80 public UnixStream Open (OpenFlags flags, FilePermissions mode)
82 int fd = Syscall.open (Path, flags, mode);
84 UnixMarshal.ThrowExceptionForLastError ();
85 return new UnixStream (fd);
88 public UnixStream Open (FileMode mode)
90 OpenFlags flags = ToOpenFlags (mode, FileAccess.ReadWrite);
91 int fd = Syscall.open (Path, flags);
93 UnixMarshal.ThrowExceptionForLastError ();
94 return new UnixStream (fd);
97 public UnixStream Open (FileMode mode, FileAccess access)
99 OpenFlags flags = ToOpenFlags (mode, access);
100 int fd = Syscall.open (Path, flags);
102 UnixMarshal.ThrowExceptionForLastError ();
103 return new UnixStream (fd);
106 public UnixStream Open (FileMode mode, FileAccess access, FilePermissions perms)
108 OpenFlags flags = ToOpenFlags (mode, access);
109 int fd = Syscall.open (Path, flags, perms);
111 UnixMarshal.ThrowExceptionForLastError ();
112 return new UnixStream (fd);
115 public UnixStream OpenRead ()
117 return Open (FileMode.Open, FileAccess.Read);
120 public UnixStream OpenWrite ()
122 return Open (FileMode.OpenOrCreate, FileAccess.Write);
125 public static OpenFlags ToOpenFlags (FileMode mode, FileAccess access)
129 case FileMode.CreateNew:
130 flags = OpenFlags.O_CREAT | OpenFlags.O_EXCL;
132 case FileMode.Create:
133 flags = OpenFlags.O_CREAT | OpenFlags.O_TRUNC;
138 case FileMode.OpenOrCreate:
139 flags = OpenFlags.O_CREAT;
141 case FileMode.Truncate:
142 flags = OpenFlags.O_TRUNC;
144 case FileMode.Append:
145 flags = OpenFlags.O_APPEND;
148 throw new ArgumentOutOfRangeException ("mode", mode,
149 Locale.GetText ("Unsupported mode value"));
153 if (UnixConvert.TryFromOpenFlags (OpenFlags.O_LARGEFILE, out _ignored))
154 flags |= OpenFlags.O_LARGEFILE;
157 case FileAccess.Read:
158 flags |= OpenFlags.O_RDONLY;
160 case FileAccess.Write:
161 flags |= OpenFlags.O_WRONLY;
163 case FileAccess.ReadWrite:
164 flags |= OpenFlags.O_RDWR;
167 throw new ArgumentOutOfRangeException ("access", access,
168 Locale.GetText ("Unsupported access value"));