1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
|
# -*- tcl -*-
# # ## ### ##### ######## #############
# (C) 2009 Andreas Kupries
# @@ Meta Begin
# Package tcl::chan::core 1
# Meta as::author {Andreas Kupries}
# Meta as::copyright 2009
# Meta as::license BSD
# Meta description Support package handling a core
# Meta description aspect of reflected base channels
# Meta description (initialization, finalization).
# Meta description It is expected that this class
# Meta description is used as either one superclass of the
# Meta description class C for a specific channel, or is
# Meta description mixed into C.
# Meta platform tcl
# Meta require TclOO
# Meta require {Tcl 8.5}
# @@ Meta End
# # ## ### ##### ######## #############
package require Tcl 8.5
package require TclOO
# # ## ### ##### ######## #############
oo::class create ::tcl::chan::core {
destructor {
if {$channel eq {}} return
close $channel
return
}
# # ## ### ##### ######## #############
method initialize {thechannel mode} {
set methods [info object methods [self] -all]
# Note: Checking of the mode against the supported methods is
# done by the caller.
set channel $thechannel
set supported {}
foreach m {
initialize finalize watch read write seek configure cget
cgetall blocking
} {
if {$m in $methods} {
lappend supported $m
}
}
return $supported
}
method finalize {c} {
set channel {} ; # Prevent destroctor from calling close.
my destroy
return
}
# # ## ### ##### ######## #############
variable channel
# channel The channel the handler belongs to.
# # ## ### ##### ######## #############
}
# # ## ### #####
package provide tcl::chan::core 1
return
|
