Sweden-Number/unicode/cpmap.pl

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#!/usr/bin/perl
#
# Generate code page .c files from ftp.unicode.org descriptions
#
# Copyright 2000 Alexandre Julliard
#
# base directory for ftp.unicode.org files
$BASEDIR = "ftp.unicode.org/Public/";
$MAPPREFIX = $BASEDIR . "MAPPINGS/";
# UnicodeData file
$UNICODEDATA = $BASEDIR . "UNIDATA/UnicodeData.txt";
# Defaults mapping
$DEFAULTS = "./defaults";
# Default char for undefined mappings
$DEF_CHAR = ord '?';
@allfiles =
(
[ 37, "VENDORS/MICSFT/EBCDIC/CP037.TXT", "IBM EBCDIC US Canada" ],
[ 42, "VENDORS/ADOBE/symbol.txt", "Symbol" ],
[ 424, "VENDORS/MISC/CP424.TXT", "IBM EBCDIC Hebrew" ],
[ 437, "VENDORS/MICSFT/PC/CP437.TXT", "OEM United States" ],
[ 500, "VENDORS/MICSFT/EBCDIC/CP500.TXT", "IBM EBCDIC International" ],
[ 737, "VENDORS/MICSFT/PC/CP737.TXT", "OEM Greek 437G" ],
[ 775, "VENDORS/MICSFT/PC/CP775.TXT", "OEM Baltic" ],
[ 850, "VENDORS/MICSFT/PC/CP850.TXT", "OEM Multilingual Latin 1" ],
[ 852, "VENDORS/MICSFT/PC/CP852.TXT", "OEM Slovak Latin 2" ],
[ 855, "VENDORS/MICSFT/PC/CP855.TXT", "OEM Cyrillic" ],
[ 856, "VENDORS/MISC/CP856.TXT", "Hebrew PC" ],
[ 857, "VENDORS/MICSFT/PC/CP857.TXT", "OEM Turkish" ],
[ 860, "VENDORS/MICSFT/PC/CP860.TXT", "OEM Portuguese" ],
[ 861, "VENDORS/MICSFT/PC/CP861.TXT", "OEM Icelandic" ],
[ 862, "VENDORS/MICSFT/PC/CP862.TXT", "OEM Hebrew" ],
[ 863, "VENDORS/MICSFT/PC/CP863.TXT", "OEM Canadian French" ],
[ 864, "VENDORS/MICSFT/PC/CP864.TXT", "OEM Arabic" ],
[ 865, "VENDORS/MICSFT/PC/CP865.TXT", "OEM Nordic" ],
[ 866, "VENDORS/MICSFT/PC/CP866.TXT", "OEM Russian" ],
[ 869, "VENDORS/MICSFT/PC/CP869.TXT", "OEM Greek" ],
[ 874, "VENDORS/MICSFT/PC/CP874.TXT", "ANSI/OEM Thai" ],
[ 875, "VENDORS/MICSFT/EBCDIC/CP875.TXT", "IBM EBCDIC Greek" ],
[ 878, "VENDORS/MISC/KOI8-R.TXT", "Russian KOI8" ],
[ 932, "VENDORS/MICSFT/WINDOWS/CP932.TXT", "ANSI/OEM Japanese Shift-JIS" ],
[ 936, "VENDORS/MICSFT/WINDOWS/CP936.TXT", "ANSI/OEM Simplified Chinese GBK" ],
[ 949, "VENDORS/MICSFT/WINDOWS/CP949.TXT", "ANSI/OEM Korean Unified Hangul" ],
[ 950, "VENDORS/MICSFT/WINDOWS/CP950.TXT", "ANSI/OEM Traditional Chinese Big5" ],
[ 1006, "VENDORS/MISC/CP1006.TXT", "IBM Arabic" ],
[ 1026, "VENDORS/MICSFT/EBCDIC/CP1026.TXT", "IBM EBCDIC Latin 5 Turkish" ],
[ 1250, "VENDORS/MICSFT/WINDOWS/CP1250.TXT", "ANSI Eastern Europe" ],
[ 1251, "VENDORS/MICSFT/WINDOWS/CP1251.TXT", "ANSI Cyrillic" ],
[ 1252, "VENDORS/MICSFT/WINDOWS/CP1252.TXT", "ANSI Latin 1" ],
[ 1253, "VENDORS/MICSFT/WINDOWS/CP1253.TXT", "ANSI Greek" ],
[ 1254, "VENDORS/MICSFT/WINDOWS/CP1254.TXT", "ANSI Turkish" ],
[ 1255, "VENDORS/MICSFT/WINDOWS/CP1255.TXT", "ANSI Hebrew" ],
[ 1256, "VENDORS/MICSFT/WINDOWS/CP1256.TXT", "ANSI Arabic" ],
[ 1257, "VENDORS/MICSFT/WINDOWS/CP1257.TXT", "ANSI Baltic" ],
[ 1258, "VENDORS/MICSFT/WINDOWS/CP1258.TXT", "ANSI/OEM Viet Nam" ],
[ 10000, "VENDORS/MICSFT/MAC/ROMAN.TXT", "Mac Roman" ],
[ 10006, "VENDORS/MICSFT/MAC/GREEK.TXT", "Mac Greek" ],
[ 10007, "VENDORS/MICSFT/MAC/CYRILLIC.TXT", "Mac Cyrillic" ],
[ 10029, "VENDORS/MICSFT/MAC/LATIN2.TXT", "Mac Latin 2" ],
[ 10079, "VENDORS/MICSFT/MAC/ICELAND.TXT", "Mac Icelandic" ],
[ 10081, "VENDORS/MICSFT/MAC/TURKISH.TXT", "Mac Turkish" ],
[ 20866, "VENDORS/MISC/KOI8-R.TXT", "Russian KOI8" ],
[ 28591, "ISO8859/8859-1.TXT", "ISO 8859-1 Latin 1" ],
[ 28592, "ISO8859/8859-2.TXT", "ISO 8859-2 Eastern Europe" ],
[ 28593, "ISO8859/8859-3.TXT", "ISO 8859-3 Turkish" ],
[ 28594, "ISO8859/8859-4.TXT", "ISO 8859-4 Baltic" ],
[ 28595, "ISO8859/8859-5.TXT", "ISO 8859-5 Cyrillic" ],
[ 28596, "ISO8859/8859-6.TXT", "ISO 8859-6 Arabic" ],
[ 28597, "ISO8859/8859-7.TXT", "ISO 8859-7 Greek" ],
[ 28598, "ISO8859/8859-8.TXT", "ISO 8859-8 Hebrew" ],
[ 28599, "ISO8859/8859-9.TXT", "ISO 8859-9 Latin 5" ]
);
################################################################
# main routine
READ_DEFAULTS();
DUMP_CASE_MAPPINGS();
foreach $file (@allfiles) { HANDLE_FILE( @$file ); }
OUTPUT_CPTABLE();
exit(0);
################################################################
# read in the defaults file
sub READ_DEFAULTS
{
@unicode_defaults = ();
@unicode_aliases = ();
@tolower_table = ();
@toupper_table = ();
# first setup a few default mappings
open DEFAULTS or die "Cannot open $DEFAULTS";
print "Loading $DEFAULTS\n";
while (<DEFAULTS>)
{
next if /^\#/; # skip comments
next if /^$/; # skip empty lines
if (/^(([0-9a-fA-F]+)(,[0-9a-fA-F]+)*)\s+([0-9a-fA-F]+|'.'|none)\s+(\#.*)?/)
{
my @src = map hex, split /,/,$1;
my $dst = $4;
my $comment = $5;
if ($#src > 0) { push @unicode_aliases, \@src; }
next if ($dst eq "none");
$dst = ($dst =~ /\'.\'/) ? ord substr($dst,1,1) : hex $dst;
foreach $src (@src)
{
die "Duplicate value" if defined($unicode_defaults[$src]);
$unicode_defaults[$src] = $dst;
}
next;
}
die "Unrecognized line $_\n";
}
# now build mappings from the decomposition field of the Unicode database
open UNICODEDATA or die "Cannot open $UNICODEDATA";
print "Loading $UNICODEDATA\n";
while (<UNICODEDATA>)
{
# Decode the fields ...
($code, $name, $cat, $comb, $bidi,
$decomp, $dec, $dig, $num, $mirror,
$oldname, $comment, $upper, $lower, $title) = split /;/;
if ($lower ne "") { $tolower_table[hex $code] = hex $lower; }
if ($upper ne "") { $toupper_table[hex $code] = hex $upper; }
next if $decomp eq ""; # no decomposition, skip it
$src = hex $code;
if ($decomp =~ /^<([a-zA-Z]+)>\s+([0-9a-fA-F]+)$/)
{
# decomposition of the form "<foo> 1234" -> use char if type is known
next unless ($1 eq "font" ||
$1 eq "noBreak" ||
$1 eq "circle" ||
$1 eq "super" ||
$1 eq "sub" ||
$1 eq "wide" ||
$1 eq "narrow" ||
$1 eq "compat" ||
$1 eq "small");
$dst = hex $2;
}
elsif ($decomp =~ /^<compat>\s+0020\s+([0-9a-fA-F]+)/)
{
# decomposition "<compat> 0020 1234" -> combining accent
$dst = hex $1;
}
elsif ($decomp =~ /^([0-9a-fA-F]+)/)
{
# decomposition contains only char values without prefix -> use first char
$dst = hex $1;
}
else
{
next;
}
next if defined($unicode_defaults[$src]); # may have been set in the defaults file
# check for loops
for ($i = $dst; ; $i = $unicode_defaults[$i])
{
die sprintf("loop detected for %04x -> %04x",$src,$dst) if $i == $src;
last unless defined($unicode_defaults[$i]);
}
$unicode_defaults[$src] = $dst;
}
}
################################################################
# parse the input file
sub READ_FILE
{
my $name = shift;
open INPUT,$name or die "Cannot open $name";
@cp2uni = ();
@lead_bytes = ();
@uni2cp = ();
while (<INPUT>)
{
next if /^\#/; # skip comments
next if /^$/; # skip empty lines
next if /\x1a/; # skip ^Z
next if (/^0x([0-9a-fA-F]+)\s+\#UNDEFINED/); # undefined char
if (/^0x([0-9a-fA-F]+)\s+\#DBCS LEAD BYTE/)
{
$cp = hex $1;
push @lead_bytes,$cp;
$cp2uni[$cp] = 0;
next;
}
if (/^0x([0-9a-fA-F]+)\s+0x([0-9a-fA-F]+)\s+(\#.*)?/)
{
$cp = hex $1;
$uni = hex $2;
$cp2uni[$cp] = $uni unless defined($cp2uni[$cp]);
$uni2cp[$uni] = $cp unless defined($uni2cp[$uni]);
next;
}
die "$name: Unrecognized line $_\n";
}
}
################################################################
# parse the symbol.txt file, since its syntax is different from the other ones
sub READ_SYMBOL_FILE
{
my $name = shift;
open INPUT,$name or die "Cannot open $name";
@cp2uni = ();
@lead_bytes = ();
@uni2cp = ();
while (<INPUT>)
{
next if /^\#/; # skip comments
next if /^$/; # skip empty lines
next if /\x1a/; # skip ^Z
if (/^([0-9a-fA-F]+)\s+([0-9a-fA-F]+)\s+(\#.*)?/)
{
$uni = hex $1;
$cp = hex $2;
$cp2uni[$cp] = $uni unless defined($cp2uni[$cp]);
$uni2cp[$uni] = $cp unless defined($uni2cp[$uni]);
next;
}
die "$name: Unrecognized line $_\n";
}
}
################################################################
# add default mappings once the file had been read
sub ADD_DEFAULT_MAPPINGS
{
# Apply aliases
foreach $alias (@unicode_aliases)
{
my $target = undef;
foreach $src (@$alias)
{
if (defined($uni2cp[$src]))
{
$target = $uni2cp[$src];
last;
}
}
next unless defined($target);
# At least one char of the alias set is defined, set the others to the same value
foreach $src (@$alias)
{
$uni2cp[$src] = $target unless defined($uni2cp[$src]);
}
}
# For every src -> target mapping in the defaults table,
# make uni2cp[src] = uni2cp[target] if uni2cp[target] is defined
for ($src = 0; $src < 65536; $src++)
{
next if defined($uni2cp[$src]); # source has a definition already
next unless defined($unicode_defaults[$src]); # no default for this char
my $target = $unicode_defaults[$src];
# do a recursive mapping until we find a target char that is defined
while (!defined($uni2cp[$target]) &&
defined($unicode_defaults[$target])) { $target = $unicode_defaults[$target]; }
if (defined($uni2cp[$target])) { $uni2cp[$src] = $uni2cp[$target]; }
}
# Add an identity mapping for all undefined chars
for ($i = 0; $i < 256; $i++)
{
next if defined($cp2uni[$i]);
next if defined($uni2cp[$i]);
$cp2uni[$i] = $uni2cp[$i] = $i;
}
}
################################################################
# dump an array of integers
sub DUMP_ARRAY
{
my ($format,$default,@array) = @_;
my $i, $ret = " ";
for ($i = 0; $i < $#array; $i++)
{
$ret .= sprintf($format, defined $array[$i] ? $array[$i] : $default);
$ret .= (($i % 8) != 7) ? ", " : ",\n ";
}
$ret .= sprintf($format, defined $array[$i] ? $array[$i] : $default);
return $ret;
}
################################################################
# dump an SBCS mapping table
sub DUMP_SBCS_TABLE
{
my ($codepage, $name) = @_;
my $i;
# output the ascii->unicode table
printf OUTPUT "static const WCHAR cp2uni[256] =\n";
printf OUTPUT "{\n%s\n};\n\n", DUMP_ARRAY( "0x%04x", $DEF_CHAR, @cp2uni[0 .. 255] );
# count the number of unicode->ascii subtables that contain something
my @filled = ();
my $subtables = 1;
for ($i = 0; $i < 65536; $i++)
{
next unless defined $uni2cp[$i];
$filled[$i >> 8] = 1;
$subtables++;
$i = ($i & ~255) + 256;
}
# output all the subtables into a single array
printf OUTPUT "static const unsigned char uni2cp_low[%d] =\n{\n", $subtables*256;
for ($i = 0; $i < 256; $i++)
{
next unless $filled[$i];
printf OUTPUT " /* 0x%02x00 .. 0x%02xff */\n", $i, $i;
printf OUTPUT "%s,\n", DUMP_ARRAY( "0x%02x", $DEF_CHAR, @uni2cp[($i<<8) .. ($i<<8)+255] );
}
printf OUTPUT " /* defaults */\n";
printf OUTPUT "%s\n};\n\n", DUMP_ARRAY( "0x%02x", 0, ($DEF_CHAR) x 256 );
# output a table of the offsets of the subtables in the previous array
my $pos = 0;
my @offsets = ();
for ($i = 0; $i < 256; $i++)
{
if ($filled[$i]) { push @offsets, $pos; $pos += 256; }
else { push @offsets, ($subtables-1) * 256; }
}
printf OUTPUT "static const unsigned short uni2cp_high[256] =\n";
printf OUTPUT "{\n%s\n};\n\n", DUMP_ARRAY( "0x%04x", 0, @offsets );
# output the code page descriptor
printf OUTPUT "const struct sbcs_table cptable_%03d =\n{\n", $codepage;
printf OUTPUT " { %d, 1, 0x%04x, 0x%04x, \"%s\" },\n",
$codepage, $DEF_CHAR, $DEF_CHAR, $name;
printf OUTPUT " cp2uni,\n";
printf OUTPUT " uni2cp_low,\n";
printf OUTPUT " uni2cp_high\n};\n";
}
################################################################
# dump a DBCS mapping table
sub DUMP_DBCS_TABLE
{
my ($codepage, $name) = @_;
my $i, $x, $y;
# build a list of lead bytes that are actually used
my @lblist = ();
LBLOOP: for ($y = 0; $y <= $#lead_bytes; $y++)
{
my $base = $lead_bytes[$y] << 8;
for ($x = 0; $x < 256; $x++)
{
if (defined $cp2uni[$base+$x])
{
push @lblist,$lead_bytes[$y];
next LBLOOP;
}
}
}
my $unused = ($#lead_bytes > $#lblist);
# output the ascii->unicode table for the single byte chars
printf OUTPUT "static const WCHAR cp2uni[%d] =\n", 256 * ($#lblist + 2 + $unused);
printf OUTPUT "{\n%s,\n", DUMP_ARRAY( "0x%04x", $DEF_CHAR, @cp2uni[0 .. 255] );
# output the default table for unused lead bytes
if ($unused)
{
printf OUTPUT " /* unused lead bytes */\n";
printf OUTPUT "%s,\n", DUMP_ARRAY( "0x%04x", 0, ($DEF_CHAR) x 256 );
}
# output the ascii->unicode table for each DBCS lead byte
for ($y = 0; $y <= $#lblist; $y++)
{
my $base = $lblist[$y] << 8;
printf OUTPUT " /* lead byte %02x */\n", $lblist[$y];
printf OUTPUT "%s", DUMP_ARRAY( "0x%04x", $DEF_CHAR, @cp2uni[$base .. $base+255] );
printf OUTPUT ($y < $#lblist) ? ",\n" : "\n};\n\n";
}
# output the lead byte subtables offsets
my @offsets = ();
for ($x = 0; $x < 256; $x++) { $offsets[$x] = 0; }
for ($x = 0; $x <= $#lblist; $x++) { $offsets[$lblist[$x]] = $x + 1; }
if ($unused)
{
# increment all lead bytes offset to take into account the unused table
for ($x = 0; $x <= $#lead_bytes; $x++) { $offsets[$lead_bytes[$x]]++; }
}
printf OUTPUT "static const unsigned char cp2uni_leadbytes[256] =\n";
printf OUTPUT "{\n%s\n};\n\n", DUMP_ARRAY( "0x%02x", 0, @offsets );
# count the number of unicode->ascii subtables that contain something
my @filled = ();
my $subtables = 1;
for ($i = 0; $i < 65536; $i++)
{
next unless defined $uni2cp[$i];
$filled[$i >> 8] = 1;
$subtables++;
$i = ($i & ~255) + 256;
}
# output all the subtables into a single array
printf OUTPUT "static const unsigned short uni2cp_low[%d] =\n{\n", $subtables*256;
for ($y = 0; $y < 256; $y++)
{
next unless $filled[$y];
printf OUTPUT " /* 0x%02x00 .. 0x%02xff */\n", $y, $y;
printf OUTPUT "%s,\n", DUMP_ARRAY( "0x%04x", $DEF_CHAR, @uni2cp[($y<<8) .. ($y<<8)+255] );
}
printf OUTPUT " /* defaults */\n";
printf OUTPUT "%s\n};\n\n", DUMP_ARRAY( "0x%04x", 0, ($DEF_CHAR) x 256 );
# output a table of the offsets of the subtables in the previous array
my $pos = 0;
my @offsets = ();
for ($y = 0; $y < 256; $y++)
{
if ($filled[$y]) { push @offsets, $pos; $pos += 256; }
else { push @offsets, ($subtables-1) * 256; }
}
printf OUTPUT "static const unsigned short uni2cp_high[256] =\n";
printf OUTPUT "{\n%s\n};\n\n", DUMP_ARRAY( "0x%04x", 0, @offsets );
# output the code page descriptor
printf OUTPUT "const struct dbcs_table cptable_%03d =\n{\n", $codepage;
printf OUTPUT " { %d, 2, 0x%04x, 0x%04x, \"%s\" },\n",
$codepage, $DEF_CHAR, $DEF_CHAR, $name;
printf OUTPUT " cp2uni,\n";
printf OUTPUT " cp2uni_leadbytes,\n";
printf OUTPUT " uni2cp_low,\n";
printf OUTPUT " uni2cp_high,\n";
DUMP_LB_RANGES();
printf OUTPUT "};\n";
}
################################################################
# dump the list of defined lead byte ranges
sub DUMP_LB_RANGES
{
my @list = ();
my $i = 0;
foreach $i (@lead_bytes) { $list[$i] = 1; }
my $on = 0;
printf OUTPUT " { ";
for ($i = 0; $i < 256; $i++)
{
if ($on)
{
if (!defined $list[$i]) { printf OUTPUT "0x%02x, ", $i-1; $on = 0; }
}
else
{
if ($list[$i]) { printf OUTPUT "0x%02x, ", $i; $on = 1; }
}
}
if ($on) { printf OUTPUT "0xff, "; }
printf OUTPUT "0x00, 0x00 }\n";
}
################################################################
# dump the case mapping tables
sub DUMP_CASE_MAPPINGS
{
open OUTPUT,">casemap.c" or die "Cannot create casemap.c";
printf "Building casemap.c\n";
printf OUTPUT "/* Unicode case mappings */\n";
printf OUTPUT "/* Automatically generated; DO NOT EDIT!! */\n\n";
printf OUTPUT "#include \"wine/unicode.h\"\n\n";
DUMP_CASE_TABLE( "casemap_lower", @tolower_table );
DUMP_CASE_TABLE( "casemap_upper", @toupper_table );
close OUTPUT;
}
################################################################
# dump a case mapping table
sub DUMP_CASE_TABLE
{
my ($name,@table) = @_;
# count the number of sub tables that contain something
my @filled = ();
my $pos = 512;
for ($i = 0; $i < 65536; $i++)
{
next unless defined $table[$i];
$filled[$i >> 8] = $pos;
$pos += 256;
$i = ($i & ~255) + 256;
}
for ($i = 0; $i < 65536; $i++)
{
next unless defined $table[$i];
$table[$i] = ($table[$i] - $i) & 0xffff;
}
# dump the table
printf OUTPUT "const WCHAR %s[%d] =\n", $name, $pos;
printf OUTPUT "{\n /* index */\n";
printf OUTPUT "%s,\n", DUMP_ARRAY( "0x%04x", 256, @filled );
printf OUTPUT " /* defaults */\n";
printf OUTPUT "%s", DUMP_ARRAY( "0x%04x", 0, (0) x 256 );
for ($i = 0; $i < 256; $i++)
{
next unless $filled[$i];
printf OUTPUT ",\n /* 0x%02x00 .. 0x%02xff */\n", $i, $i;
printf OUTPUT "%s", DUMP_ARRAY( "0x%04x", 0, @table[($i<<8) .. ($i<<8)+255] );
}
printf OUTPUT "\n};\n";
}
################################################################
# read an input file and generate the corresponding .c file
sub HANDLE_FILE
{
my ($codepage,$filename,$comment) = @_;
# symbol codepage file is special
if ($codepage == 42) { READ_SYMBOL_FILE($MAPPREFIX . $filename); }
else { READ_FILE($MAPPREFIX . $filename); }
ADD_DEFAULT_MAPPINGS();
my $output = sprintf "c_%03d.c", $codepage;
open OUTPUT,">$output" or die "Cannot create $output";
printf "Building %s from %s (%s)\n", $output, $filename, $comment;
# dump all tables
printf OUTPUT "/* code page %03d (%s) */\n", $codepage, $comment;
printf OUTPUT "/* generated from %s */\n", $MAPPREFIX . $filename;
printf OUTPUT "/* DO NOT EDIT!! */\n\n";
printf OUTPUT "#include \"wine/unicode.h\"\n\n";
if ($#lead_bytes == -1) { DUMP_SBCS_TABLE( $codepage, $comment ); }
else { DUMP_DBCS_TABLE( $codepage, $comment ); }
close OUTPUT;
}
################################################################
# output the list of codepage tables into the cptable.c file
sub OUTPUT_CPTABLE
{
@tables_decl = ();
foreach $file (@allfiles)
{
my ($codepage,$filename,$comment) = @$file;
push @tables_decl, sprintf("extern union cptable cptable_%03d;\n",$codepage);
}
push @tables_decl, sprintf("\nstatic const union cptable * const cptables[%d] =\n{\n",$#allfiles+1);
foreach $file (@allfiles)
{
my ($codepage,$filename,$comment) = @$file;
push @tables_decl, sprintf(" &cptable_%03d,\n", $codepage);
}
push @tables_decl, "};";
REPLACE_IN_FILE( "cptable.c", @tables_decl );
}
################################################################
# replace the contents of a file between ### cpmap ### marks
sub REPLACE_IN_FILE
{
my $name = shift;
my @data = @_;
my @lines = ();
open(FILE,$name) or die "Can't open $name";
while (<FILE>)
{
push @lines, $_;
last if /\#\#\# cpmap begin \#\#\#/;
}
push @lines, @data;
while (<FILE>)
{
if (/\#\#\# cpmap end \#\#\#/) { push @lines, "\n", $_; last; }
}
push @lines, <FILE>;
open(FILE,">$name") or die "Can't modify $name";
print FILE @lines;
close(FILE);
}