xenocara/app/xterm/gen-charsets.pl
2019-02-24 11:41:42 +00:00

106 lines
3.4 KiB
Perl

#! /usr/bin/perl -w
# $XTermId: gen-charsets.pl,v 1.2 2018/08/22 22:59:15 tom Exp $
# -----------------------------------------------------------------------------
# this file is part of xterm
#
# Copyright 2018 by Thomas E. Dickey
#
# All Rights Reserved
#
# Permission is hereby granted, free of charge, to any person obtaining a
# copy of this software and associated documentation files (the
# "Software"), to deal in the Software without restriction, including
# without limitation the rights to use, copy, modify, merge, publish,
# distribute, sublicense, and/or sell copies of the Software, and to
# permit persons to whom the Software is furnished to do so, subject to
# the following conditions:
#
# The above copyright notice and this permission notice shall be included
# in all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
# OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
# IN NO EVENT SHALL THE ABOVE LISTED COPYRIGHT HOLDER(S) BE LIABLE FOR ANY
# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
#
# Except as contained in this notice, the name(s) of the above copyright
# holders shall not be used in advertising or otherwise to promote the
# sale, use or other dealings in this Software without prior written
# authorization.
# -----------------------------------------------------------------------------
#
# Translate a Unicode mapping, e.g., for one of the ISO-8859-x codepages,
# into the form used in charsets.c for converting characters.
use strict;
$| = 1;
sub do_file($) {
my $file = shift;
my $undef = hex(0x2426);
open( FP, $file ) || do {
print STDERR "Can't open $file: $!\n";
return;
};
my @data = <FP>;
close(FP);
my $name = $file;
$name =~ s,^.*/,,;
$name =~ s/\..*$//;
$name =~ s/^(8859)/ISO-$1/;
$name =~ s/-/_/g;
printf "#define map_%s(code) \\\n", $name;
printf "\tswitch (code) { \\\n";
my @target;
my @noteof;
for my $n ( 0 .. $#data ) {
chomp $data[$n];
$data[$n] =~ s/^\s*//;
$data[$n] =~ s/\s*$//;
next if ( $data[$n] =~ /^#/ );
next if ( $data[$n] eq "" );
if ( $data[$n] !~ /^0x[[:xdigit:]]+\s+0x[[:xdigit:]]+\s*#/i ) {
printf STDERR "?? %d:%s\n", $n + 1, $data[$n];
next;
}
my $source = $data[$n];
$source =~ s/\s.*//;
$source = hex($source);
next if ( $source < 160 or $source > 255 );
$source -= 128;
my $target = $data[$n];
$target =~ s/^[^\s]+\s+(0x[[:xdigit:]]+).*$/$1/i;
$target = hex($target);
my $noteof = $data[$n];
$noteof =~ s/^[^#]+#\s*//;
$target[$source] = $target;
$noteof[$source] = $noteof;
}
my $lo = $target[32] ? 32 : 33;
my $hi = $target[127] ? 127 : 126;
for my $n ( $lo .. $hi ) {
if ( defined $target[$n] ) {
printf "\t UNI(0x%02x, 0x%04x);\t/* %s */ \\\n", $n,
$target[$n], $noteof[$n];
}
else {
printf "\t XXX(0x%02x, UNDEF);\t/* undefined */ \\\n", $n;
}
}
printf "\t}\n";
}
while ( $#ARGV >= 0 ) {
&do_file( shift @ARGV );
}
1;