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