/src/lib/cli/internal/clarg_file.e

 1-- This file is part of a Liberty Eiffel library.
 2-- See the full copyright at the end.
 3--
 4class CLARG_FILE
 5
 6inherit
 7   CLARG_WITH_ARG[REGULAR_FILE]
 8
 9create {COMMAND_LINE_ARGUMENT_FACTORY}
10   optional, positional
11
12feature {ANY}
13   item: REGULAR_FILE
14
15   is_set: BOOLEAN
16      do
17         Result := item /= Void
18      end
19
20feature {CLARG_PARSER}
21   is_valid_data (arg: STRING): BOOLEAN
22      do
23         bd.ensure_system_notation
24         if bd.system_notation.is_valid_path(arg) then
25            Result := not ft.file_exists(arg) or else not ft.is_directory(arg)
26         end
27      end
28
29feature {}
30   set_data (context: COMMAND_LINE_CONTEXT; arg: STRING)
31      do
32         create item.make(arg)
33      end
34
35   unset
36      do
37         item := Void
38      end
39
40   bd: BASIC_DIRECTORY
41   ft: FILE_TOOLS
42
43end -- CLARG_FILE
44--
45-- Copyright (C) 2009-2017: by all the people cited in the AUTHORS file.
46--
47-- Permission is hereby granted, free of charge, to any person obtaining a copy
48-- of this software and associated documentation files (the "Software"), to deal
49-- in the Software without restriction, including without limitation the rights
50-- to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
51-- copies of the Software, and to permit persons to whom the Software is
52-- furnished to do so, subject to the following conditions:
53--
54-- The above copyright notice and this permission notice shall be included in
55-- all copies or substantial portions of the Software.
56--
57-- THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
58-- IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
59-- FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
60-- AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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63-- THE SOFTWARE.