86 lines
2.2 KiB
Perl
86 lines
2.2 KiB
Perl
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#!/usr/bin/perl -w
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use warnings;
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use strict;
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print <<__EOF__;
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/*
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* This file is part of PhysicsFS (http://icculus.org/physfs/)
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*
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* This data generated by physfs/extras/makecasefoldhashtable.pl ...
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* Do not manually edit this file!
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*
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* Please see the file LICENSE.txt in the source's root directory.
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*/
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#ifndef __PHYSICSFS_INTERNAL__
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#error Do not include this header from your applications.
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#endif
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__EOF__
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my @foldPairs;
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for (my $i = 0; $i < 256; $i++) {
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$foldPairs[$i] = '';
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}
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open(FH,'<','casefolding.txt') or die("failed to open casefolding.txt: $!\n");
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while (<FH>) {
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chomp;
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# strip comments from textfile...
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s/\#.*\Z//;
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# strip whitespace...
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s/\A\s+//;
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s/\s+\Z//;
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next if not /\A([a-fA-F0-9]+)\;\s*(.)\;\s*(.+)\;/;
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my ($code, $status, $mapping) = ($1, $2, $3);
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my $hexxed = hex($code);
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my $hashed = (($hexxed ^ ($hexxed >> 8)) & 0xFF);
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#print("// code '$code' status '$status' mapping '$mapping'\n");
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#print("// hexxed '$hexxed' hashed '$hashed'\n");
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if (($status eq 'C') or ($status eq 'F')) {
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my ($map1, $map2, $map3) = ('0000', '0000', '0000');
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$map1 = $1 if $mapping =~ s/\A([a-fA-F0-9]+)(\s*|\Z)//;
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$map2 = $1 if $mapping =~ s/\A([a-fA-F0-9]+)(\s*|\Z)//;
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$map3 = $1 if $mapping =~ s/\A([a-fA-F0-9]+)(\s*|\Z)//;
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die("mapping space too small for '$code'\n") if ($mapping ne '');
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$foldPairs[$hashed] .= " { 0x$code, 0x$map1, 0x$map2, 0x$map3 },\n";
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}
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}
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close(FH);
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for (my $i = 0; $i < 256; $i++) {
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$foldPairs[$i] =~ s/,\n\Z//;
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my $str = $foldPairs[$i];
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next if $str eq '';
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my $num = '000' . $i;
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$num =~ s/\A.*?(\d\d\d)\Z/$1/;
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my $sym = "case_fold_${num}";
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print("static const CaseFoldMapping ${sym}[] = {\n$str\n};\n\n");
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}
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print("\nstatic const CaseFoldHashBucket case_fold_hash[256] = {\n");
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for (my $i = 0; $i < 256; $i++) {
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my $str = $foldPairs[$i];
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if ($str eq '') {
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print(" { 0, NULL },\n");
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} else {
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my $num = '000' . $i;
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$num =~ s/\A.*?(\d\d\d)\Z/$1/;
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my $sym = "case_fold_${num}";
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print(" { __PHYSFS_ARRAYLEN($sym), $sym },\n");
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}
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}
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print("};\n\n");
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exit 0;
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# end of makecashfoldhashtable.pl ...
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