openkylin
/
glib2.0
mirror of https://gitee.com/openkylin/glib2.0.git
9
0
Fork 0
Code Issues Projects Releases Wiki Activity
glib2.0/glib/gen-unicode-tables.pl

1566 lines
38 KiB
Perl
Executable File
Raw Blame History

#! /usr/bin/perl -w
# Copyright (C) 1998, 1999 Tom Tromey
# Copyright (C) 2001 Red Hat Software
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2, or (at your option)
# any later version.
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
# You should have received a copy of the GNU General Public License
# along with this program; if not, see <http://www.gnu.org/licenses/>.
# Contributor(s):
# Andrew Taylor <andrew.taylor@montage.ca>
# gen-unicode-tables.pl - Generate tables for libunicode from Unicode data.
# See http://www.unicode.org/Public/UNIDATA/UnicodeCharacterDatabase.html
# I consider the output of this program to be unrestricted. Use it as
# you will.
# FIXME:
# * For decomp table it might make sense to use a shift count other
# than 8. We could easily compute the perfect shift count.
# we use some perl unicode features
require 5.006;
use bytes;
use vars qw($CODE $NAME $CATEGORY $COMBINING_CLASSES $BIDI_CATEGORY $DECOMPOSITION $DECIMAL_VALUE $DIGIT_VALUE $NUMERIC_VALUE $MIRRORED $OLD_NAME $COMMENT $UPPER $LOWER $TITLE $BREAK_CODE $BREAK_CATEGORY $BREAK_NAME $CASE_CODE $CASE_LOWER $CASE_TITLE $CASE_UPPER $CASE_CONDITION);
# Names of fields in Unicode data table.
$CODE = 0;
$NAME = 1;
$CATEGORY = 2;
$COMBINING_CLASSES = 3;
$BIDI_CATEGORY = 4;
$DECOMPOSITION = 5;
$DECIMAL_VALUE = 6;
$DIGIT_VALUE = 7;
$NUMERIC_VALUE = 8;
$MIRRORED = 9;
$OLD_NAME = 10;
$COMMENT = 11;
$UPPER = 12;
$LOWER = 13;
$TITLE = 14;
# Names of fields in the line break table
$BREAK_CODE = 0;
$BREAK_PROPERTY = 1;
# Names of fields in the SpecialCasing table
$CASE_CODE = 0;
$CASE_LOWER = 1;
$CASE_TITLE = 2;
$CASE_UPPER = 3;
$CASE_CONDITION = 4;
# Names of fields in the CaseFolding table
$FOLDING_CODE = 0;
$FOLDING_STATUS = 1;
$FOLDING_MAPPING = 2;
# Map general category code onto symbolic name.
%mappings =
(
# Normative.
'Lu' => "G_UNICODE_UPPERCASE_LETTER",
'Ll' => "G_UNICODE_LOWERCASE_LETTER",
'Lt' => "G_UNICODE_TITLECASE_LETTER",
'Mn' => "G_UNICODE_NON_SPACING_MARK",
'Mc' => "G_UNICODE_SPACING_MARK",
'Me' => "G_UNICODE_ENCLOSING_MARK",
'Nd' => "G_UNICODE_DECIMAL_NUMBER",
'Nl' => "G_UNICODE_LETTER_NUMBER",
'No' => "G_UNICODE_OTHER_NUMBER",
'Zs' => "G_UNICODE_SPACE_SEPARATOR",
'Zl' => "G_UNICODE_LINE_SEPARATOR",
'Zp' => "G_UNICODE_PARAGRAPH_SEPARATOR",
'Cc' => "G_UNICODE_CONTROL",
'Cf' => "G_UNICODE_FORMAT",
'Cs' => "G_UNICODE_SURROGATE",
'Co' => "G_UNICODE_PRIVATE_USE",
'Cn' => "G_UNICODE_UNASSIGNED",
# Informative.
'Lm' => "G_UNICODE_MODIFIER_LETTER",
'Lo' => "G_UNICODE_OTHER_LETTER",
'Pc' => "G_UNICODE_CONNECT_PUNCTUATION",
'Pd' => "G_UNICODE_DASH_PUNCTUATION",
'Ps' => "G_UNICODE_OPEN_PUNCTUATION",
'Pe' => "G_UNICODE_CLOSE_PUNCTUATION",
'Pi' => "G_UNICODE_INITIAL_PUNCTUATION",
'Pf' => "G_UNICODE_FINAL_PUNCTUATION",
'Po' => "G_UNICODE_OTHER_PUNCTUATION",
'Sm' => "G_UNICODE_MATH_SYMBOL",
'Sc' => "G_UNICODE_CURRENCY_SYMBOL",
'Sk' => "G_UNICODE_MODIFIER_SYMBOL",
'So' => "G_UNICODE_OTHER_SYMBOL"
);
%break_mappings =
(
'AI' => "G_UNICODE_BREAK_AMBIGUOUS",
'AL' => "G_UNICODE_BREAK_ALPHABETIC",
'AK' => "G_UNICODE_BREAK_AKSARA",
'AP' => "G_UNICODE_BREAK_AKSARA_PRE_BASE",
'AS' => "G_UNICODE_BREAK_AKSARA_START",
'B2' => "G_UNICODE_BREAK_BEFORE_AND_AFTER",
'BA' => "G_UNICODE_BREAK_AFTER",
'BB' => "G_UNICODE_BREAK_BEFORE",
'BK' => "G_UNICODE_BREAK_MANDATORY",
'CB' => "G_UNICODE_BREAK_CONTINGENT",
'CJ' => "G_UNICODE_BREAK_CONDITIONAL_JAPANESE_STARTER",
'CL' => "G_UNICODE_BREAK_CLOSE_PUNCTUATION",
'CM' => "G_UNICODE_BREAK_COMBINING_MARK",
'CP' => "G_UNICODE_BREAK_CLOSE_PARENTHESIS",
'CR' => "G_UNICODE_BREAK_CARRIAGE_RETURN",
'EB' => "G_UNICODE_BREAK_EMOJI_BASE",
'EM' => "G_UNICODE_BREAK_EMOJI_MODIFIER",
'EX' => "G_UNICODE_BREAK_EXCLAMATION",
'GL' => "G_UNICODE_BREAK_NON_BREAKING_GLUE",
'H2' => "G_UNICODE_BREAK_HANGUL_LV_SYLLABLE",
'H3' => "G_UNICODE_BREAK_HANGUL_LVT_SYLLABLE",
'HL' => "G_UNICODE_BREAK_HEBREW_LETTER",
'HY' => "G_UNICODE_BREAK_HYPHEN",
'ID' => "G_UNICODE_BREAK_IDEOGRAPHIC",
'IN' => "G_UNICODE_BREAK_INSEPARABLE",
'IS' => "G_UNICODE_BREAK_INFIX_SEPARATOR",
'JL' => "G_UNICODE_BREAK_HANGUL_L_JAMO",
'JT' => "G_UNICODE_BREAK_HANGUL_T_JAMO",
'JV' => "G_UNICODE_BREAK_HANGUL_V_JAMO",
'LF' => "G_UNICODE_BREAK_LINE_FEED",
'NL' => "G_UNICODE_BREAK_NEXT_LINE",
'NS' => "G_UNICODE_BREAK_NON_STARTER",
'NU' => "G_UNICODE_BREAK_NUMERIC",
'OP' => "G_UNICODE_BREAK_OPEN_PUNCTUATION",
'PO' => "G_UNICODE_BREAK_POSTFIX",
'PR' => "G_UNICODE_BREAK_PREFIX",
'QU' => "G_UNICODE_BREAK_QUOTATION",
'RI' => "G_UNICODE_BREAK_REGIONAL_INDICATOR",
'SA' => "G_UNICODE_BREAK_COMPLEX_CONTEXT",
'SG' => "G_UNICODE_BREAK_SURROGATE",
'SP' => "G_UNICODE_BREAK_SPACE",
'SY' => "G_UNICODE_BREAK_SYMBOL",
'VF' => "G_UNICODE_BREAK_VIRAMA_FINAL",
'VI' => "G_UNICODE_BREAK_VIRAMA",
'WJ' => "G_UNICODE_BREAK_WORD_JOINER",
'XX' => "G_UNICODE_BREAK_UNKNOWN",
'ZW' => "G_UNICODE_BREAK_ZERO_WIDTH_SPACE",
'ZWJ' => "G_UNICODE_BREAK_ZERO_WIDTH_JOINER"
);
# Title case mappings.
%title_to_lower = ();
%title_to_upper = ();
# Maximum length of special-case strings
my @special_cases;
my @special_case_offsets;
my $special_case_offset = 0;
# Scripts
my @scripts;
# East asian widths
my @eawidths;
$do_decomp = 0;
$do_props = 1;
$do_scripts = 1;
if (@ARGV && $ARGV[0] eq '-decomp')
{
$do_decomp = 1;
$do_props = 0;
shift @ARGV;
}
elsif (@ARGV && $ARGV[0] eq '-both')
{
$do_decomp = 1;
shift @ARGV;
}
if (@ARGV != 2) {
$0 =~ s@.*/@@;
die "\nUsage: $0 [-decomp | -both] UNICODE-VERSION DIRECTORY\n\n DIRECTORY should contain the following Unicode data files:\n UnicodeData.txt, LineBreak.txt, SpecialCasing.txt, CaseFolding.txt,\n CompositionExclusions.txt Scripts.txt extracted/DerivedEastAsianWidth.txt \n\n";
}
my ($unicodedatatxt, $linebreaktxt, $specialcasingtxt, $casefoldingtxt, $compositionexclusionstxt,
$scriptstxt, $derivedeastasianwidth);
my $d = $ARGV[1];
opendir (my $dir, $d) or die "Cannot open Unicode data dir $d: $!\n";
for my $f (readdir ($dir))
{
$unicodedatatxt = "$d/$f" if ($f =~ /^UnicodeData.*\.txt/);
$linebreaktxt = "$d/$f" if ($f =~ /^LineBreak.*\.txt/);
$specialcasingtxt = "$d/$f" if ($f =~ /^SpecialCasing.*\.txt/);
$casefoldingtxt = "$d/$f" if ($f =~ /^CaseFolding.*\.txt/);
$compositionexclusionstxt = "$d/$f" if ($f =~ /^CompositionExclusions.*\.txt/);
$scriptstxt = "$d/$f" if ($f =~ /^Scripts.*\.txt/);
}
my $extd = $ARGV[1] . "/extracted";
opendir (my $extdir, $extd) or die "Cannot open Unicode/extracted data dir $extd: $!\n";
for my $f (readdir ($extdir))
{
$derivedeastasianwidthtxt = "$extd/$f" if ($f =~ /^DerivedEastAsianWidth.*\.txt/);
}
defined $unicodedatatxt or die "Did not find UnicodeData file";
defined $linebreaktxt or die "Did not find LineBreak file";
defined $specialcasingtxt or die "Did not find SpecialCasing file";
defined $casefoldingtxt or die "Did not find CaseFolding file";
defined $compositionexclusionstxt or die "Did not find CompositionExclusions file";
defined $scriptstxt or die "Did not find Scripts file";
defined $derivedeastasianwidthtxt or die "Did not find DerivedEastAsianWidth file";
print "Creating decomp table\n" if ($do_decomp);
print "Creating property table\n" if ($do_props);
print "Composition exclusions from $compositionexclusionstxt\n";
open (INPUT, "< $compositionexclusionstxt") || exit 1;
while (<INPUT>) {
chop;
next if /^#/;
next if /^\s*$/;
s/\s*#.*//;
s/^\s*//;
s/\s*$//;
$composition_exclusions{hex($_)} = 1;
}
close INPUT;
print "Unicode data from $unicodedatatxt\n";
open (INPUT, "< $unicodedatatxt") || exit 1;
# we save memory by skipping the huge empty area before U+E0000
my $pages_before_e0000;
$last_code = -1;
while (<INPUT>)
{
chop;
@fields = split (';', $_, 30);
if ($#fields != 14)
{
printf STDERR ("Entry for $fields[$CODE] has wrong number of fields (%d)\n", $#fields);
}
$code = hex ($fields[$CODE]);
if ($code >= 0xE0000 and $last_code < 0xE0000)
{
$pages_before_e0000 = ($last_code >> 8) + 1;
}
if ($code > $last_code + 1)
{
# Found a gap.
if ($fields[$NAME] =~ /Last>/)
{
# Fill the gap with the last character read,
# since this was a range specified in the char database
@gfields = @fields;
}
else
{
# The gap represents undefined characters. Only the type
# matters.
@gfields = ('', '', 'Cn', '0', '', '', '', '', '', '', '',
'', '', '', '');
}
for (++$last_code; $last_code < $code; ++$last_code)
{
$gfields{$CODE} = sprintf ("%04x", $last_code);
&process_one ($last_code, @gfields);
}
}
&process_one ($code, @fields);
$last_code = $code;
}
close INPUT;
@gfields = ('', '', 'Cn', '0', '', '', '', '', '', '', '',
'', '', '', '');
for (++$last_code; $last_code <= 0x10FFFF; ++$last_code)
{
$gfields{$CODE} = sprintf ("%04x", $last_code);
&process_one ($last_code, @gfields);
}
--$last_code; # Want last to be 0x10FFFF.
print "Creating line break table\n";
print "Line break data from $linebreaktxt\n";
open (INPUT, "< $linebreaktxt") || exit 1;
$last_code = -1;
while (<INPUT>)
{
my ($start_code, $end_code);
chop;
next if /^#/;
next if /^$/;
s/\s*#.*//;
@fields = split (';', $_, 30);
if ($#fields != 1)
{
printf STDERR ("Entry for $fields[$CODE] has wrong number of fields (%d)\n", $#fields);
next;
}
# Trim leading and trailing whitespace
$fields[$CODE] =~ s/^\s+|\s+$//;
$fields[$BREAK_PROPERTY] =~ s/^\s+|\s+$//;
if ($fields[$CODE] =~ /([A-F0-9]{4,6})\.\.([A-F0-9]{4,6})/)
{
$start_code = hex ($1);
$end_code = hex ($2);
} else {
$start_code = $end_code = hex ($fields[$CODE]);
}
if ($start_code > $last_code + 1)
{
# The gap represents undefined characters. If assigned,
# they are AL, if not assigned, XX
for (++$last_code; $last_code < $start_code; ++$last_code)
{
if ($type[$last_code] eq 'Cn')
{
$break_props[$last_code] = 'XX';
}
else
{
$break_props[$last_code] = 'AL';
}
}
}
for ($last_code = $start_code; $last_code <= $end_code; $last_code++)
{
$break_props[$last_code] = $fields[$BREAK_PROPERTY];
}
$last_code = $end_code;
}
close INPUT;
for (++$last_code; $last_code <= 0x10FFFF; ++$last_code)
{
if ($type[$last_code] eq 'Cn')
{
$break_props[$last_code] = 'XX';
}
else
{
$break_props[$last_code] = 'AL';
}
}
--$last_code; # Want last to be 0x10FFFF.
print STDERR "Last code is not 0x10FFFF" if ($last_code != 0x10FFFF);
print "Reading special-casing table for case conversion\n";
open (INPUT, "< $specialcasingtxt") || exit 1;
while (<INPUT>)
{
my $code;
chop;
next if /^#/;
next if /^\s*$/;
s/\s*#.*//;
@fields = split ('\s*;\s*', $_, 30);
$raw_code = $fields[$CASE_CODE];
$code = hex ($raw_code);
if ($#fields != 4 && $#fields != 5)
{
printf STDERR ("Entry for $raw_code has wrong number of fields (%d)\n", $#fields);
next;
}
if (!defined $type[$code])
{
printf STDERR "Special case for code point: $code, which has no defined type\n";
next;
}
if (defined $fields[5]) {
# Ignore conditional special cases - we'll handle them in code
next;
}
if ($type[$code] eq 'Lu')
{
(hex $fields[$CASE_UPPER] == $code) || die "$raw_code is Lu and UCD_Upper($raw_code) != $raw_code";
&add_special_case ($code, $value[$code], $fields[$CASE_LOWER], $fields[$CASE_TITLE]);
} elsif ($type[$code] eq 'Lt')
{
(hex $fields[$CASE_TITLE] == $code) || die "$raw_code is Lt and UCD_Title($raw_code) != $raw_code";
&add_special_case ($code, undef, $fields[$CASE_LOWER], $fields[$CASE_UPPER]);
} elsif ($type[$code] eq 'Ll')
{
(hex $fields[$CASE_LOWER] == $code) || die "$raw_code is Ll and UCD_Lower($raw_code) != $raw_code";
&add_special_case ($code, $value[$code], $fields[$CASE_UPPER], $fields[$CASE_TITLE]);
} else {
printf STDERR "Special case for non-alphabetic code point: $raw_code\n";
next;
}
}
close INPUT;
open (INPUT, "< $casefoldingtxt") || exit 1;
my $casefoldlen = 0;
my @casefold;
while (<INPUT>)
{
my $code;
chop;
next if /^#/;
next if /^\s*$/;
s/\s*#.*//;
@fields = split ('\s*;\s*', $_, 30);
$raw_code = $fields[$FOLDING_CODE];
$code = hex ($raw_code);
if ($#fields != 3)
{
printf STDERR ("Entry for $raw_code has wrong number of fields (%d)\n", $#fields);
next;
}
# we don't use Simple or Turkic rules here
next if ($fields[$FOLDING_STATUS] =~ /^[ST]$/);
@values = map { hex ($_) } split /\s+/, $fields[$FOLDING_MAPPING];
# Check simple case
if (@values == 1 &&
!(defined $value[$code] && $value[$code] >= 0x1000000) &&
defined $type[$code]) {
my $lower;
if ($type[$code] eq 'Ll')
{
$lower = $code;
} elsif ($type[$code] eq 'Lt')
{
$lower = $title_to_lower{$code};
} elsif ($type[$code] eq 'Lu')
{
$lower = $value[$code];
} else {
$lower = $code;
}
if ($lower == $values[0]) {
next;
}
}
my $string = pack ("U*", @values);
if (1 + &length_in_bytes ($string) > $casefoldlen) {
$casefoldlen = 1 + &length_in_bytes ($string);
}
push @casefold, [ $code, &escape ($string) ];
}
close INPUT;
print "Reading scripts\n";
open (INPUT, "< $scriptstxt") || exit 1;
while (<INPUT>) {
s/#.*//;
next if /^\s*$/;
if (!/^([0-9A-F]+)(?:\.\.([0-9A-F]+))?\s*;\s*([A-Za-z_]+)\s*$/) {
die "Cannot parse line: '$_'\n";
}
if (defined $2) {
push @scripts, [ hex $1, hex $2, uc $3 ];
} else {
push @scripts, [ hex $1, hex $1, uc $3 ];
}
}
close INPUT;
print "Reading derived east asian widths\n";
open (INPUT, "< $derivedeastasianwidthtxt") || exit 1;
while (<INPUT>)
{
my ($start_code, $end_code);
chop;
s/#.*//;
next if /^\s*$/;
if (!/^([0-9A-F]+)(?:\.\.([0-9A-F]+))?\s*;\s*([A-Za-z_]+)\s*$/) {
die "Cannot parse line: '$_'\n";
}
if (defined $2) {
push @eawidths, [ hex $1, hex $2, $3 ];
} else {
push @eawidths, [ hex $1, hex $1, $3 ];
}
}
close INPUT;
if ($do_props) {
&print_tables ($last_code)
}
if ($do_decomp) {
&print_decomp ($last_code);
&output_composition_table;
}
&print_line_break ($last_code);
if ($do_scripts) {
&print_scripts
}
exit 0;
# perl "length" returns the length in characters
sub length_in_bytes
{
my ($string) = @_;
return length $string;
}
# Process a single character.
sub process_one
{
my ($code, @fields) = @_;
$type[$code] = $fields[$CATEGORY];
if ($type[$code] eq 'Nd')
{
$value[$code] = int ($fields[$DECIMAL_VALUE]);
}
elsif ($type[$code] eq 'Ll')
{
$value[$code] = hex ($fields[$UPPER]);
}
elsif ($type[$code] eq 'Lu')
{
$value[$code] = hex ($fields[$LOWER]);
}
if ($type[$code] eq 'Lt')
{
$title_to_lower{$code} = hex ($fields[$LOWER]);
$title_to_upper{$code} = hex ($fields[$UPPER]);
}
$cclass[$code] = $fields[$COMBINING_CLASSES];
# Handle decompositions.
if ($fields[$DECOMPOSITION] ne '')
{
if ($fields[$DECOMPOSITION] =~ s/\<.*\>\s*//) {
$decompose_compat[$code] = 1;
} else {
$decompose_compat[$code] = 0;
if (!exists $composition_exclusions{$code}) {
$compositions{$code} = $fields[$DECOMPOSITION];
}
}
$decompositions[$code] = $fields[$DECOMPOSITION];
}
}
sub print_tables
{
my ($last) = @_;
my ($outfile) = "gunichartables.h";
local ($bytes_out) = 0;
print "Writing $outfile...\n";
open (OUT, "> $outfile");
print OUT "/* This file is automatically generated. DO NOT EDIT!\n";
print OUT " Instead, edit gen-unicode-tables.pl and re-run. */\n\n";
print OUT "#ifndef CHARTABLES_H\n";
print OUT "#define CHARTABLES_H\n\n";
print OUT "#define G_UNICODE_DATA_VERSION \"$ARGV[0]\"\n\n";
printf OUT "#define G_UNICODE_LAST_CHAR 0x%04x\n\n", $last;
printf OUT "#define G_UNICODE_MAX_TABLE_INDEX 10000\n\n";
my $last_part1 = ($pages_before_e0000 * 256) - 1;
printf OUT "#define G_UNICODE_LAST_CHAR_PART1 0x%04X\n\n", $last_part1;
printf OUT "#define G_UNICODE_LAST_PAGE_PART1 %d\n\n", $pages_before_e0000 - 1;
$table_index = 0;
printf OUT "static const char type_data[][256] = {\n";
for ($count = 0; $count <= $last; $count += 256)
{
$row[$count / 256] = &print_row ($count, 1, \&fetch_type);
}
printf OUT "\n};\n\n";
printf OUT "/* U+0000 through U+%04X */\n", $last_part1;
print OUT "static const gint16 type_table_part1[$pages_before_e0000] = {\n";
for ($count = 0; $count <= $last_part1; $count += 256)
{
print OUT ",\n" if $count > 0;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
printf OUT "/* U+E0000 through U+%04X */\n", $last;
print OUT "static const gint16 type_table_part2[768] = {\n";
for ($count = 0xE0000; $count <= $last; $count += 256)
{
print OUT ",\n" if $count > 0xE0000;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
#
# Now print attribute table.
#
$table_index = 0;
printf OUT "static const gunichar attr_data[][256] = {\n";
for ($count = 0; $count <= $last; $count += 256)
{
$row[$count / 256] = &print_row ($count, 4, \&fetch_attr);
}
printf OUT "\n};\n\n";
printf OUT "/* U+0000 through U+%04X */\n", $last_part1;
print OUT "static const gint16 attr_table_part1[$pages_before_e0000] = {\n";
for ($count = 0; $count <= $last_part1; $count += 256)
{
print OUT ",\n" if $count > 0;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
printf OUT "/* U+E0000 through U+%04X */\n", $last;
print OUT "static const gint16 attr_table_part2[768] = {\n";
for ($count = 0xE0000; $count <= $last; $count += 256)
{
print OUT ",\n" if $count > 0xE0000;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
#
# print title case table
#
print OUT "static const gunichar title_table[][3] = {\n";
my ($item);
my ($first) = 1;
foreach $item (sort keys %title_to_lower)
{
print OUT ",\n"
unless $first;
$first = 0;
printf OUT " { 0x%04x, 0x%04x, 0x%04x }", $item, $title_to_upper{$item}, $title_to_lower{$item};
$bytes_out += 12;
}
print OUT "\n};\n\n";
#
# And special case conversion table -- conversions that change length
#
&output_special_case_table (\*OUT);
&output_casefold_table (\*OUT);
#
# And the widths tables
#
&output_width_tables (\*OUT);
print OUT "#endif /* CHARTABLES_H */\n";
close (OUT);
printf STDERR "Generated %d bytes in tables\n", $bytes_out;
}
# A fetch function for the type table.
sub fetch_type
{
my ($index) = @_;
return $mappings{$type[$index]};
}
# A fetch function for the attribute table.
sub fetch_attr
{
my ($index) = @_;
if (defined $value[$index])
{
return sprintf ("0x%04x", $value[$index]);
}
else
{
return "0x0000";
}
}
sub print_row
{
my ($start, $typsize, $fetcher) = @_;
my ($i);
my (@values);
my ($flag) = 1;
my ($off);
for ($off = 0; $off < 256; ++$off)
{
$values[$off] = $fetcher->($off + $start);
if ($values[$off] ne $values[0])
{
$flag = 0;
}
}
if ($flag)
{
return $values[0] . " + G_UNICODE_MAX_TABLE_INDEX";
}
printf OUT ",\n" if ($table_index != 0);
printf OUT " { /* page %d, index %d */\n ", $start / 256, $table_index;
my ($column) = 4;
for ($i = $start; $i < $start + 256; ++$i)
{
print OUT ","
if $i > $start;
my ($text) = $values[$i - $start];
if (length ($text) + $column + 2 > 78)
{
print OUT "\n ";
$column = 4;
}
elsif ($i > $start)
{
print OUT " "
}
print OUT $text;
$column += length ($text) + 2;
}
print OUT "\n }";
$bytes_out += 256 * $typsize;
return sprintf "%d /* page %d */", $table_index++, $start / 256;
}
sub escape
{
my ($string) = @_;
my $escaped = unpack("H*", $string);
$escaped =~ s/(.{2})/\\x$1/g;
return $escaped;
}
# Returns the offset of $decomp in the offset string. Updates the
# referenced variables as appropriate.
sub handle_decomp ($$$$)
{
my ($decomp, $decomp_offsets_ref, $decomp_string_ref, $decomp_string_offset_ref) = @_;
my $offset = "G_UNICODE_NOT_PRESENT_OFFSET";
if (defined $decomp)
{
if (defined $decomp_offsets_ref->{$decomp})
{
$offset = $decomp_offsets_ref->{$decomp};
}
else
{
$offset = ${$decomp_string_offset_ref};
$decomp_offsets_ref->{$decomp} = $offset;
${$decomp_string_ref} .= "\n \"" . &escape ($decomp) . "\\0\" /* offset ${$decomp_string_offset_ref} */";
${$decomp_string_offset_ref} += &length_in_bytes ($decomp) + 1;
}
}
return $offset;
}
# Generate the character decomposition header.
sub print_decomp
{
my ($last) = @_;
my ($outfile) = "gunidecomp.h";
local ($bytes_out) = 0;
print "Writing $outfile...\n";
open (OUT, "> $outfile") || exit 1;
print OUT "/* This file is automatically generated. DO NOT EDIT! */\n\n";
print OUT "#ifndef DECOMP_H\n";
print OUT "#define DECOMP_H\n\n";
printf OUT "#define G_UNICODE_LAST_CHAR 0x%04x\n\n", $last;
printf OUT "#define G_UNICODE_MAX_TABLE_INDEX (0x110000 / 256)\n\n";
my $last_part1 = ($pages_before_e0000 * 256) - 1;
printf OUT "#define G_UNICODE_LAST_CHAR_PART1 0x%04X\n\n", $last_part1;
printf OUT "#define G_UNICODE_LAST_PAGE_PART1 %d\n\n", $pages_before_e0000 - 1;
$NOT_PRESENT_OFFSET = 65535;
print OUT "#define G_UNICODE_NOT_PRESENT_OFFSET $NOT_PRESENT_OFFSET\n\n";
my ($count, @row);
$table_index = 0;
printf OUT "static const guchar cclass_data[][256] = {\n";
for ($count = 0; $count <= $last; $count += 256)
{
$row[$count / 256] = &print_row ($count, 1, \&fetch_cclass);
}
printf OUT "\n};\n\n";
print OUT "static const gint16 combining_class_table_part1[$pages_before_e0000] = {\n";
for ($count = 0; $count <= $last_part1; $count += 256)
{
print OUT ",\n" if $count > 0;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
print OUT "static const gint16 combining_class_table_part2[768] = {\n";
for ($count = 0xE0000; $count <= $last; $count += 256)
{
print OUT ",\n" if $count > 0xE0000;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
print OUT "typedef struct\n{\n";
print OUT " gunichar ch;\n";
print OUT " guint16 canon_offset;\n";
print OUT " guint16 compat_offset;\n";
print OUT "} decomposition;\n\n";
print OUT "static const decomposition decomp_table[] =\n{\n";
my ($iter);
my ($first) = 1;
my ($decomp_string) = "";
my ($decomp_string_offset) = 0;
for ($count = 0; $count <= $last; ++$count)
{
if (defined $decompositions[$count])
{
print OUT ",\n"
if ! $first;
$first = 0;
my $canon_decomp;
my $compat_decomp;
if (!$decompose_compat[$count]) {
$canon_decomp = make_decomp ($count, 0);
}
$compat_decomp = make_decomp ($count, 1);
if (defined $canon_decomp && $compat_decomp eq $canon_decomp) {
undef $compat_decomp;
}
my $canon_offset = handle_decomp ($canon_decomp, \%decomp_offsets, \$decomp_string, \$decomp_string_offset);
my $compat_offset = handle_decomp ($compat_decomp, \%decomp_offsets, \$decomp_string, \$decomp_string_offset);
die if $decomp_string_offset > $NOT_PRESENT_OFFSET;
printf OUT qq( { 0x%04x, $canon_offset, $compat_offset }), $count;
$bytes_out += 8;
}
}
print OUT "\n};\n\n";
$bytes_out += $decomp_string_offset + 1;
printf OUT "static const gchar decomp_expansion_string[] = %s;\n\n", $decomp_string;
print OUT "typedef struct\n{\n";
print OUT " gunichar ch;\n";
print OUT " gunichar a;\n";
print OUT " gunichar b;\n";
print OUT "} decomposition_step;\n\n";
# There's lots of room to optimize the following table...
print OUT "static const decomposition_step decomp_step_table[] =\n{\n";
$first = 1;
my @steps = ();
for ($count = 0; $count <= $last; ++$count)
{
if ((defined $decompositions[$count]) && (!$decompose_compat[$count]))
{
print OUT ",\n"
if ! $first;
$first = 0;
my @list;
@list = (split(' ', $decompositions[$count]), "0");
printf OUT qq( { 0x%05x, 0x%05x, 0x%05x }), $count, hex($list[0]), hex($list[1]);
# don't include 1:1 in the compose table
push @steps, [ ($count, hex($list[0]), hex($list[1])) ]
if hex($list[1])
}
}
print OUT "\n};\n\n";
print OUT "#endif /* DECOMP_H */\n";
printf STDERR "Generated %d bytes in decomp tables\n", $bytes_out;
}
sub print_line_break
{
my ($last) = @_;
my ($outfile) = "gunibreak.h";
local ($bytes_out) = 0;
print "Writing $outfile...\n";
open (OUT, "> $outfile");
print OUT "/* This file is automatically generated. DO NOT EDIT!\n";
print OUT " Instead, edit gen-unicode-tables.pl and re-run. */\n\n";
print OUT "#ifndef BREAKTABLES_H\n";
print OUT "#define BREAKTABLES_H\n\n";
print OUT "#include <glib/gtypes.h>\n";
print OUT "#include <glib/gunicode.h>\n\n";
print OUT "#define G_UNICODE_DATA_VERSION \"$ARGV[0]\"\n\n";
printf OUT "#define G_UNICODE_LAST_CHAR 0x%04X\n\n", $last;
printf OUT "#define G_UNICODE_MAX_TABLE_INDEX 10000\n\n";
my $last_part1 = ($pages_before_e0000 * 256) - 1;
printf OUT "/* the last code point that should be looked up in break_property_table_part1 */\n";
printf OUT "#define G_UNICODE_LAST_CHAR_PART1 0x%04X\n\n", $last_part1;
$table_index = 0;
printf OUT "static const gint8 break_property_data[][256] = {\n";
for ($count = 0; $count <= $last; $count += 256)
{
$row[$count / 256] = &print_row ($count, 1, \&fetch_break_type);
}
printf OUT "\n};\n\n";
printf OUT "/* U+0000 through U+%04X */\n", $last_part1;
print OUT "static const gint16 break_property_table_part1[$pages_before_e0000] = {\n";
for ($count = 0; $count <= $last_part1; $count += 256)
{
print OUT ",\n" if $count > 0;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
printf OUT "/* U+E0000 through U+%04X */\n", $last;
print OUT "static const gint16 break_property_table_part2[768] = {\n";
for ($count = 0xE0000; $count <= $last; $count += 256)
{
print OUT ",\n" if $count > 0xE0000;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
print OUT "#endif /* BREAKTABLES_H */\n";
close (OUT);
printf STDERR "Generated %d bytes in break tables\n", $bytes_out;
}
# A fetch function for the break properties table.
sub fetch_break_type
{
my ($index) = @_;
return $break_mappings{$break_props[$index]};
}
# Fetcher for combining class.
sub fetch_cclass
{
my ($i) = @_;
return $cclass[$i];
}
# Expand a character decomposition recursively.
sub expand_decomp
{
my ($code, $compat) = @_;
my ($iter, $val);
my (@result) = ();
foreach $iter (split (' ', $decompositions[$code]))
{
$val = hex ($iter);
if (defined $decompositions[$val] &&
($compat || !$decompose_compat[$val]))
{
push (@result, &expand_decomp ($val, $compat));
}
else
{
push (@result, $val);
}
}
return @result;
}
sub make_decomp
{
my ($code, $compat) = @_;
my $result = "";
foreach $iter (&expand_decomp ($code, $compat))
{
$result .= pack ("U", $iter); # to utf-8
}
$result;
}
# Generate special case data string from two fields
sub add_special_case
{
my ($code, $single, $field1, $field2) = @_;
@values = (defined $single ? $single : (),
(map { hex ($_) } split /\s+/, $field1),
0,
(map { hex ($_) } split /\s+/, $field2));
$result = "";
for $value (@values) {
$result .= pack ("U", $value); # to utf-8
}
push @special_case_offsets, $special_case_offset;
# We encode special cases up in the 0x1000000 space
$value[$code] = 0x1000000 + $special_case_offset;
$special_case_offset += 1 + &length_in_bytes ($result);
push @special_cases, &escape ($result);
}
sub output_special_case_table
{
my $out = shift;
print $out <<EOT;
/* Table of special cases for case conversion; each record contains
* First, the best single character mapping to lowercase if Lu,
* and to uppercase if Ll, followed by the output mapping for the two cases
* other than the case of the codepoint, in the order [Ll],[Lu],[Lt],
* encoded in UTF-8, separated and terminated by a null character.
*/
static const gchar special_case_table[] = {
EOT
my $i = 0;
for $case (@special_cases) {
print $out qq( "$case\\0" /* offset ${special_case_offsets[$i]} */\n);
$i++;
}
print $out <<EOT;
};
EOT
print STDERR "Generated " . ($special_case_offset + 1) . " bytes in special case table\n";
}
sub enumerate_ordered
{
my ($array) = @_;
my $n = 0;
for my $code (sort { $a <=> $b } keys %$array) {
if ($array->{$code} == 1) {
delete $array->{$code};
next;
}
$array->{$code} = $n++;
}
return $n;
}
sub output_composition_table
{
print STDERR "Generating composition table\n";
local ($bytes_out) = 0;
my %first;
my %second;
# First we need to go through and remove decompositions
# starting with a non-starter, and single-character
# decompositions. At the same time, record
# the first and second character of each decomposition
for $code (keys %compositions)
{
@values = map { hex ($_) } split /\s+/, $compositions{$code};
# non-starters
if ($cclass[$code]) {
delete $compositions{$code};
next;
}
if ($cclass[$values[0]]) {
delete $compositions{$code};
next;
}
# single-character decompositions
if (@values == 1) {
delete $compositions{$code};
next;
}
if (@values != 2) {
die "$code has more than two elements in its decomposition!\n";
}
if (exists $first{$values[0]}) {
$first{$values[0]}++;
} else {
$first{$values[0]} = 1;
}
}
# Assign integer indices, removing singletons
my $n_first = enumerate_ordered (\%first);
# Now record the second character of each (non-singleton) decomposition
for $code (keys %compositions) {
@values = map { hex ($_) } split /\s+/, $compositions{$code};
if (exists $first{$values[0]}) {
if (exists $second{$values[1]}) {
$second{$values[1]}++;
} else {
$second{$values[1]} = 1;
}
}
}
# Assign integer indices, removing duplicate
my $n_second = enumerate_ordered (\%second);
# Build reverse table
my @first_singletons;
my @second_singletons;
my %reverse;
for $code (keys %compositions) {
@values = map { hex ($_) } split /\s+/, $compositions{$code};
my $first = $first{$values[0]};
my $second = $second{$values[1]};
if (defined $first && defined $second) {
$reverse{"$first|$second"} = $code;
} elsif (!defined $first) {
push @first_singletons, [ $values[0], $values[1], $code ];
} else {
push @second_singletons, [ $values[1], $values[0], $code ];
}
}
@first_singletons = sort { $a->[0] <=> $b->[0] } @first_singletons;
@second_singletons = sort { $a->[0] <=> $b->[0] } @second_singletons;
my %vals;
open OUT, ">gunicomp.h" or die "Cannot open gunicomp.h: $!\n";
# Assign values in lookup table for all code points involved
my $total = 1;
my $last = 0;
printf OUT "#define COMPOSE_FIRST_START %d\n", $total;
for $code (keys %first) {
$vals{$code} = $first{$code} + $total;
$last = $code if $code > $last;
}
$total += $n_first;
$i = 0;
printf OUT "#define COMPOSE_FIRST_SINGLE_START %d\n", $total;
for $record (@first_singletons) {
my $code = $record->[0];
$vals{$code} = $i++ + $total;
$last = $code if $code > $last;
}
$total += @first_singletons;
printf OUT "#define COMPOSE_SECOND_START %d\n", $total;
for $code (keys %second) {
$vals{$code} = $second{$code} + $total;
$last = $code if $code > $last;
}
$total += $n_second;
$i = 0;
printf OUT "#define COMPOSE_SECOND_SINGLE_START %d\n\n", $total;
for $record (@second_singletons) {
my $code = $record->[0];
$vals{$code} = $i++ + $total;
$last = $code if $code > $last;
}
printf OUT "#define COMPOSE_TABLE_LAST %d\n\n", $last / 256;
# Output lookup table
my @row;
$table_index = 0;
printf OUT "static const guint16 compose_data[][256] = {\n";
for (my $count = 0; $count <= $last; $count += 256)
{
$row[$count / 256] = &print_row ($count, 2, sub { exists $vals{$_[0]} ? $vals{$_[0]} : 0; });
}
printf OUT "\n};\n\n";
print OUT "static const gint16 compose_table[COMPOSE_TABLE_LAST + 1] = {\n";
for (my $count = 0; $count <= $last; $count += 256)
{
print OUT ",\n" if $count > 0;
print OUT " ", $row[$count / 256];
$bytes_out += 2;
}
print OUT "\n};\n\n";
# Output first singletons
print OUT "static const gunichar compose_first_single[][2] = {\n";
$i = 0;
for $record (@first_singletons) {
print OUT ",\n" if $i++ > 0;
printf OUT " { %#06x, %#06x }", $record->[1], $record->[2];
}
print OUT "\n};\n";
$bytes_out += @first_singletons * 4;
# Output second singletons
print OUT "static const gunichar compose_second_single[][2] = {\n";
$i = 0;
for $record (@second_singletons) {
print OUT ",\n" if $i++ > 0;
printf OUT " { %#06x, %#06x }", $record->[1], $record->[2];
}
print OUT "\n};\n";
$bytes_out += @second_singletons * 4;
# Output array of composition pairs
print OUT <<EOT;
static const guint16 compose_array[$n_first][$n_second] = {
EOT
for (my $i = 0; $i < $n_first; $i++) {
print OUT ",\n" if $i;
print OUT " { ";
for (my $j = 0; $j < $n_second; $j++) {
print OUT ", " if $j;
if (exists $reverse{"$i|$j"}) {
if ($reverse{"$i|$j"} > 0xFFFF) {
die "time to switch compose_array to gunichar" ;
}
printf OUT "0x%04x", $reverse{"$i|$j"};
} else {
print OUT " 0";
}
}
print OUT " }";
}
print OUT "\n";
print OUT <<EOT;
};
EOT
$bytes_out += $n_first * $n_second * 2;
printf STDERR "Generated %d bytes in compose tables\n", $bytes_out;
}
sub output_casefold_table
{
my $out = shift;
print $out <<EOT;
/* Table of casefolding cases that can't be derived by lowercasing
*/
static const struct {
guint16 ch;
gchar data[$casefoldlen];
} casefold_table[] = {
EOT
@casefold = sort { $a->[0] <=> $b->[0] } @casefold;
for $case (@casefold)
{
$code = $case->[0];
$string = $case->[1];
if ($code > 0xFFFF) {
die "time to switch casefold_table to gunichar" ;
}
print $out sprintf(qq( { 0x%04x, "$string" },\n), $code);
}
print $out <<EOT;
};
EOT
my $recordlen = (2+$casefoldlen+1) & ~1;
printf "Generated %d bytes for casefold table\n", $recordlen * @casefold;
}
sub output_one_width_table
{
my ($out, $name, $wpe) = @_;
my $start;
my $end;
my $wp;
my $rex;
print $out "static const struct Interval g_unicode_width_table_${name}[] = {\n";
$rex = qr/$wpe/;
for (my $i = 0; $i <= $#eawidths; $i++) {
$start = $eawidths[$i]->[0];
$end = $eawidths[$i]->[1];
$wp = $eawidths[$i]->[2];
next if ($wp !~ $rex);
while ($i <= $#eawidths - 1 &&
$eawidths[$i + 1]->[0] == $end + 1 &&
($eawidths[$i + 1]->[2] =~ $rex)) {
$i++;
$end = $eawidths[$i]->[1];
}
printf $out "{0x%04X, 0x%04X},\n", $start, $end;
}
printf $out "};\n\n";
}
sub output_width_tables
{
my $out = shift;
@eawidths = sort { $a->[0] <=> $b->[0] } @eawidths;
print $out <<EOT;
struct Interval
{
gunichar start, end;
};
EOT
&output_one_width_table ($out,"wide", "[FW]");
&output_one_width_table ($out, "ambiguous", "[A]");
}
sub print_scripts
{
my $start;
my $end;
my $script;
my $easy_range;
my $i;
print STDERR "Writing gscripttable.h\n";
open OUT, ">gscripttable.h" or die "Cannot open gscripttable.h: $!\n";
print OUT<<EOT;
/* This file is automatically generated. DO NOT EDIT!
Instead, edit gen-unicode-tables.pl and re-run. */
#ifndef SCRIPTTABLES_H
#define SCRIPTTABLES_H
EOT
@scripts = sort { $a->[0] <=> $b->[0] } @scripts;
$easy_range = 0x2000;
print OUT<<EOT;
#define G_EASY_SCRIPTS_RANGE $easy_range
static const guchar g_script_easy_table[$easy_range] = {
EOT
$i = 0;
$end = -1;
for (my $c = 0; $c < $easy_range; $c++) {
if ($c % 3 == 0) {
printf OUT "\n ";
}
if ($c > $end) {
$start = $scripts[$i]->[0];
$end = $scripts[$i]->[1];
$script = $scripts[$i]->[2];
$i++;
}
if ($c < $start) {
printf OUT " G_UNICODE_SCRIPT_UNKNOWN,";
} else {
printf OUT " G_UNICODE_SCRIPT_%s,", $script;
}
}
if ($end >= $easy_range) {
$i--;
$scripts[$i]->[0] = $easy_range;
}
print OUT<<EOT;
};
static const struct {
gunichar start;
guint16 chars;
guint16 script;
} g_script_table[] = {
EOT
for (; $i <= $#scripts; $i++) {
$start = $scripts[$i]->[0];
$end = $scripts[$i]->[1];
$script = $scripts[$i]->[2];
while ($i <= $#scripts - 1 &&
$scripts[$i + 1]->[0] == $end + 1 &&
$scripts[$i + 1]->[2] eq $script) {
$i++;
$end = $scripts[$i]->[1];
}
printf OUT " { %#06x, %5d, G_UNICODE_SCRIPT_%s },\n", $start, $end - $start + 1, $script;
}
printf OUT<<EOT;
};
#endif /* SCRIPTTABLES_H */
EOT
close OUT;
}
Reference in New Issue View Git Blame Copy Permalink