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
|
# -*- tcl -*-
# # ## ### ##### ######## #############
# (C) 2009 Andreas Kupries
# @@ Meta Begin
# Package tcl::transform::hex 1
# Meta as::author {Andreas Kupries}
# Meta as::copyright 2009
# Meta as::license BSD
# Meta description Implementation of a hex transformation,
# Meta description using Tcl 8.6's transformation
# Meta description reflection support. Uses the binary
# Meta description command to implement the transformation.
# Meta description Exports a single command adding a new
# Meta description transform of this type to a channel. One
# Meta description argument, the channel to extend. No
# Meta description result.
# Meta platform tcl
# Meta require tcl::transform::core
# Meta require {Tcl 8.6}
# @@ Meta End
# # ## ### ##### ######## #############
package require Tcl 8.6
package require tcl::transform::core
# # ## ### ##### ######## #############
namespace eval ::tcl::transform {}
proc ::tcl::transform::hex {chan} {
::chan push $chan [hex::implementation new]
return
}
oo::class create ::tcl::transform::hex::implementation {
superclass tcl::transform::core ;# -> initialize, finalize, destructor
method write {c data} {
# bytes -> hex
binary scan $data H* hex
return $hex
}
method read {c data} {
# hex -> bytes
return [binary format H* $data]
}
# No partial data, nor state => no flush, drain, nor clear needed.
# # ## ### ##### ######## #############
}
# # ## ### ##### ######## #############
package provide tcl::transform::hex 1
return
|
