/stand/forth/version.4th
Forth | 96 lines | 83 code | 13 blank | 0 comment | 6 complexity | de4e0513eea1aa039128153f555a5995 MD5 | raw file
- \ Copyright (c) 2006-2015 Devin Teske <dteske@FreeBSD.org>
- \ All rights reserved.
- \
- \ Redistribution and use in source and binary forms, with or without
- \ modification, are permitted provided that the following conditions
- \ are met:
- \ 1. Redistributions of source code must retain the above copyright
- \ notice, this list of conditions and the following disclaimer.
- \ 2. Redistributions in binary form must reproduce the above copyright
- \ notice, this list of conditions and the following disclaimer in the
- \ documentation and/or other materials provided with the distribution.
- \
- \ THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
- \ ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- \ IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- \ ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
- \ FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- \ DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- \ OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- \ HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- \ LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- \ OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- \ SUCH DAMAGE.
- \
- \ $FreeBSD$
- marker task-version.4th
- vocabulary version-processing
- only forth also version-processing definitions
- variable versionX
- variable versionY
- \ Default $loader_version value if not overridden or using tribute screen
- : str_loader_version ( -- C-ADDR/U|-1 ) -1 ;
- \ Initialize text placement to defaults
- 80 versionX ! \ NOTE: this is the ending column (text is right-justified)
- 24 versionY !
- only forth definitions also version-processing
- : print_version ( -- )
- \ Get the text placement position (if set)
- s" loader_version_x" getenv dup -1 <> if
- ?number drop versionX ! -1
- then drop
- s" loader_version_y" getenv dup -1 <> if
- ?number drop versionY ! -1
- then drop
- \ Default version if none was set
- s" loader_version" getenv dup -1 = if
- drop
- \ Use above default if no logo is requested
- s" loader_logo" getenv dup -1 = if
- drop str_loader_version
- else
- \ For tributes, do nothing (defer to logo-*.4th)
- 2dup s" tribute" compare-insensitive 0= if
- 2drop
- s" logo" sfind if
- drop exit \ see logo-tribute.4th
- else
- drop str_loader_version
- then
- else 2dup s" tributebw" compare-insensitive 0= if
- 2drop
- s" logo" sfind if
- drop exit \ see logo-tributebw.4th
- else
- drop str_loader_version
- then
- else
- 2drop str_loader_version
- then then
- then
- then dup -1 = if
- drop exit \ default version (above) is disabled
- then
- \ Right justify the text
- dup versionX @ swap - versionY @ at-xy
- \ Print the version (optionally in cyan)
- loader_color? dup ( c-addr/u -- c-addr/u bool bool )
- if 6 fg then
- -rot type
- if me then
- 0 25 at-xy
- ;
- only forth definitions