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1 \ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
2 \ All rights reserved.
3
4 \ Redistribution and use in source and binary forms, with or without
5 \ modification, are permitted provided that the following conditions
6 \ are met:
7 \ 1. Redistributions of source code must retain the above copyright
8 \    notice, this list of conditions and the following disclaimer.
9 \ 2. Redistributions in binary form must reproduce the above copyright
10 \    notice, this list of conditions and the following disclaimer in the
11 \    documentation and/or other materials provided with the distribution.
12
13 \ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 \ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 \ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 \ ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
17 \ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 \ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 \ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 \ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 \ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 \ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 \ SUCH DAMAGE.
24
25 \ $FreeBSD$
26
27 marker task-version.4th
28
29 vocabulary version-processing
30 only forth also version-processing definitions
31
32 variable versionX
33 variable versionY
34
35 \ Default $loader_version value if not overridden or using tribute screen
36 : str_loader_version ( -- C-ADDR/U|-1 ) -1 ;
37
38 \ Initialize text placement to defaults
39 80 versionX !   \ NOTE: this is the ending column (text is right-justified)
40 24 versionY !
41
42 only forth definitions also version-processing
43
44 : print_version ( -- )
45
46         \ Get the text placement position (if set)
47         s" loader_version_x" getenv dup -1 <> if
48                 ?number drop versionX ! -1
49         then drop
50         s" loader_version_y" getenv dup -1 <> if
51                 ?number drop versionY ! -1
52         then drop
53
54         \ Default version if none was set
55         s" loader_version" getenv dup -1 = if
56                 drop
57                 \ Use above default if no logo is requested
58                 s" loader_logo" getenv dup -1 = if
59                         drop str_loader_version
60                 else
61                         \ For tributes, do nothing (defer to logo-*.4th)
62                         2dup s" tribute" compare-insensitive 0= if
63                                 2drop
64                                 s" logo" sfind if
65                                         drop exit \ see logo-tribute.4th
66                                 else
67                                         drop str_loader_version
68                                 then
69                         else 2dup s" tributebw" compare-insensitive 0= if
70                                 2drop
71                                 s" logo" sfind if
72                                         drop exit \ see logo-tributebw.4th
73                                 else
74                                         drop str_loader_version
75                                 then
76                         else
77                                 2drop str_loader_version
78                         then then
79                 then
80         then dup -1 = if
81                 drop exit \ default version (above) is disabled
82         then
83
84         \ Right justify the text
85         dup versionX @ swap - versionY @ at-xy
86
87         \ Print the version (optionally in cyan)
88         loader_color? dup ( c-addr/u -- c-addr/u bool bool )
89         if 6 fg then
90         -rot type
91         if me then
92
93         0 25 at-xy
94 ;
95
96 only forth definitions