dvm.commands.List source code

1 /**
2  * Copyright: Copyright (c) 2011 Jacob Carlborg. All rights reserved.
3  * Authors: Jacob Carlborg
4  * Version: Initial created: May 31, 2011
5  * License: $(LINK2 http://www.boost.org/LICENSE_1_0.txt, Boost Software License 1.0)
6  */
7 module dvm.commands.List;
8 
9 import tango.io.vfs.FileFolder;
10 
11 import mambo.core._;
12 import dvm.commands.Command;
13 import Path = dvm.io.Path;
14 
15 class List : Command
16 {
17     this (string name, string summary = "")
18     {
19         super(name, summary);
20     }
21 
22     this ()
23     {
24         super("list", "Show currently installed D compilers.");
25     }
26 
27     override void execute ()
28     {
29         auto errorMessage = "No installed D compilers";
30 
31         if (!Path.exists(options.path.compilers))
32         {
33             println(errorMessage);
34             return;
35         }
36 
37         scope folder = new FileFolder(options.path.compilers);
38 
39         if (folder.self.folders == 0)
40         {
41             println(errorMessage);
42             return;
43         }
44 
45         println("Installed D compilers:\n");
46 
47         foreach (file ; folder)
48             println(stripPath(file.toString));
49     }
50 
51     private string stripPath (string name)
52     {
53         return Path.parse(name).file;
54     }
55 }