1 # mob-directory.tcl --
2 #
3 # Abstract represetation of a media object directory.
4 #
5 # Copyright (c) 1996-2002 The Regents of the University of California.
6 # All rights reserved.
7 #
8 # Redistribution and use in source and binary forms, with or without
9 # modification, are permitted provided that the following conditions are met:
10 #
11 # A. Redistributions of source code must retain the above copyright notice,
12 # this list of conditions and the following disclaimer.
13 # B. Redistributions in binary form must reproduce the above copyright notice,
14 # this list of conditions and the following disclaimer in the documentation
15 # and/or other materials provided with the distribution.
16 # C. Neither the names of the copyright holders nor the names of its
17 # contributors may be used to endorse or promote products derived from this
18 # software without specific prior written permission.
19 #
20 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS ``AS IS''
21 # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 # ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR
24 # ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
25 # DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
26 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
27 # CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
28 # OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
29 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 #
31 # @(#)
32
33 import Mob
34 Class MobDirectory -superclass Mob
35
36
37 MobDirectory instproc init { name args } {
38 eval $self next $name $args
39
40 $self instvar children_
41 set children_ ""
42 }
43
44
45 MobDirectory instproc add_child { mob } {
46 $self instvar children_
47 lappend children_ $mob
48 }
49
50
51 MobDirectory instproc get_children { } {
52 $self instvar children_
53 return $children_
54 }
55
56
57 MobDirectory instproc write_info_file {} {
58 # Make sure the directory exists
59 $self instvar name_
60 if ![file exists $name_] {
61 file mkdir $name_
62 }
63 $self next
64 }
65
66
67 MobDirectory instproc del_info_file {} {
68 $self instvar name_
69 file delete $name_/.info
70 file delete -force $name_
71 }
72
73
74 MobDirectory instproc open_info_file {attr} {
75 $self instvar name_
76 return [open $name_/.info $attr]
77 }
78
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