/src/lib/io/filesystem/path_name/unix_directory_notation.e

 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4class UNIX_DIRECTORY_NOTATION
 5   -- The Unix like file path notation looks like:
 6   --   /LibertyEiffel/sys/system.se
 7
 8inherit
 9   PATH_NAME_NOTATION
10
11feature {ANY}
12   is_current_directory (path: STRING): BOOLEAN
13      do
14         if path.compare(once ".") = 0 or else path.compare(once "./") = 0 then
15            Result := True
16         elseif path.is_empty then
17         elseif path.first /= '/' then
18            Result := path.occurrences('.') + path.occurrences('/') = path.count and not path.has_substring(once "..")
19         end
20      end
21
22   is_parent_directory (path: STRING): BOOLEAN
23      local
24         pos: INTEGER
25      do
26         if path.compare(once "..") = 0 or else path.compare(once "../") = 0 then
27            Result := True
28         elseif path.is_empty then
29         elseif path.first /= '/' then
30            Result := path.occurrences('.') + path.occurrences('/') = path.count and path.has_substring(once "..")
31            if Result then
32               pos := path.first_substring_index(once "..")
33               Result := Result and path.substring_index(once "..", pos + 2) = 0
34            end
35         end
36      end
37
38   to_directory_path (path: STRING)
39      do
40         path.extend_unless('/')
41      end
42
43feature {ANY}
44   is_case_sensitive: BOOLEAN True
45
46feature {}
47   tmp1: POSIX_PATH_NAME
48      once
49         create Result.make_empty
50      end
51
52   tmp2: POSIX_PATH_NAME
53      once
54         create Result.make_empty
55      end
56
57end -- class UNIX_DIRECTORY_NOTATION
58--
59-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
60--
61-- Permission is hereby granted, free of charge, to any person obtaining a copy
62-- of this software and associated documentation files (the "Software"), to deal
63-- in the Software without restriction, including without limitation the rights
64-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
65-- copies of the Software, and to permit persons to whom the Software is
66-- furnished to do so, subject to the following conditions:
67--
68-- The above copyright notice and this permission notice shall be included in
69-- all copies or substantial portions of the Software.
70--
71-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
72-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
73-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
74-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
75-- LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
76-- OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
77-- THE SOFTWARE.