# 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, write to the Free Software
-# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
-# 02111-1307, USA.
+# along with this program; if not, see <http://www.gnu.org/licenses/>.
# Contributer(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
-# Usage: gen-unicode-tables.pl [-decomp | -both] UNICODE-VERSION UnicodeData.txt LineBreak.txt SpecialCasing.txt CaseFolding.txt
# I consider the output of this program to be unrestricted. Use it as
# you will.
# 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);
'Ll' => "G_UNICODE_LOWERCASE_LETTER",
'Lt' => "G_UNICODE_TITLECASE_LETTER",
'Mn' => "G_UNICODE_NON_SPACING_MARK",
- 'Mc' => "G_UNICODE_COMBINING_MARK",
+ 'Mc' => "G_UNICODE_SPACING_MARK",
'Me' => "G_UNICODE_ENCLOSING_MARK",
'Nd' => "G_UNICODE_DECIMAL_NUMBER",
'Nl' => "G_UNICODE_LETTER_NUMBER",
%break_mappings =
(
- 'BK' => "G_UNICODE_BREAK_MANDATORY",
- 'CR' => "G_UNICODE_BREAK_CARRIAGE_RETURN",
- 'LF' => "G_UNICODE_BREAK_LINE_FEED",
- 'CM' => "G_UNICODE_BREAK_COMBINING_MARK",
- 'SG' => "G_UNICODE_BREAK_SURROGATE",
- 'ZW' => "G_UNICODE_BREAK_ZERO_WIDTH_SPACE",
- 'IN' => "G_UNICODE_BREAK_INSEPARABLE",
- 'GL' => "G_UNICODE_BREAK_NON_BREAKING_GLUE",
- 'CB' => "G_UNICODE_BREAK_CONTINGENT",
- 'SP' => "G_UNICODE_BREAK_SPACE",
+ 'AI' => "G_UNICODE_BREAK_AMBIGUOUS",
+ 'AL' => "G_UNICODE_BREAK_ALPHABETIC",
+ 'B2' => "G_UNICODE_BREAK_BEFORE_AND_AFTER",
'BA' => "G_UNICODE_BREAK_AFTER",
'BB' => "G_UNICODE_BREAK_BEFORE",
- 'B2' => "G_UNICODE_BREAK_BEFORE_AND_AFTER",
- 'HY' => "G_UNICODE_BREAK_HYPHEN",
- 'NS' => "G_UNICODE_BREAK_NON_STARTER",
- 'OP' => "G_UNICODE_BREAK_OPEN_PUNCTUATION",
+ 'BK' => "G_UNICODE_BREAK_MANDATORY",
+ 'CB' => "G_UNICODE_BREAK_CONTINGENT",
+ 'CJ' => "G_UNICODE_BREAK_CONDITIONAL_JAPANESE_STARTER",
'CL' => "G_UNICODE_BREAK_CLOSE_PUNCTUATION",
- 'QU' => "G_UNICODE_BREAK_QUOTATION",
+ 'CM' => "G_UNICODE_BREAK_COMBINING_MARK",
+ 'CP' => "G_UNICODE_BREAK_CLOSE_PARANTHESIS",
+ 'CR' => "G_UNICODE_BREAK_CARRIAGE_RETURN",
'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",
- 'NU' => "G_UNICODE_BREAK_NUMERIC",
+ 'IN' => "G_UNICODE_BREAK_INSEPARABLE",
'IS' => "G_UNICODE_BREAK_INFIX_SEPARATOR",
- 'SY' => "G_UNICODE_BREAK_SYMBOL",
- 'AL' => "G_UNICODE_BREAK_ALPHABETIC",
- 'PR' => "G_UNICODE_BREAK_PREFIX",
+ '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",
- 'AI' => "G_UNICODE_BREAK_AMBIGUOUS",
- 'NL' => "G_UNICODE_BREAK_NEXT_LINE",
+ 'SG' => "G_UNICODE_BREAK_SURROGATE",
+ 'SP' => "G_UNICODE_BREAK_SPACE",
+ 'SY' => "G_UNICODE_BREAK_SYMBOL",
'WJ' => "G_UNICODE_BREAK_WORD_JOINER",
- 'XX' => "G_UNICODE_BREAK_UNKNOWN"
+ 'XX' => "G_UNICODE_BREAK_UNKNOWN",
+ 'ZW' => "G_UNICODE_BREAK_ZERO_WIDTH_SPACE"
);
# Title case mappings.
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;
shift @ARGV;
}
-if (@ARGV != 6) {
+if (@ARGV != 2) {
$0 =~ s@.*/@@;
- die "Usage: $0 [-decomp | -both] UNICODE-VERSION UnicodeData.txt LineBreak.txt SpecialCasing.txt CaseFolding.txt CompositionExclusions.txt\n";
+ 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 exlusions from $ARGV[5]\n";
+print "Composition exlusions from $compositionexclusionstxt\n";
-open (INPUT, "< $ARGV[5]") || exit 1;
+open (INPUT, "< $compositionexclusionstxt") || exit 1;
while (<INPUT>) {
close INPUT;
-print "Unicode data from $ARGV[1]\n";
+print "Unicode data from $unicodedatatxt\n";
-open (INPUT, "< $ARGV[1]") || exit 1;
+open (INPUT, "< $unicodedatatxt") || exit 1;
# we save memory by skipping the huge empty area before U+E0000
my $pages_before_e0000;
print "Creating line break table\n";
-print "Line break data from $ARGV[2]\n";
+print "Line break data from $linebreaktxt\n";
-open (INPUT, "< $ARGV[2]") || exit 1;
+open (INPUT, "< $linebreaktxt") || exit 1;
$last_code = -1;
while (<INPUT>)
chop;
next if /^#/;
+ next if /^$/;
s/\s*#.*//;
print "Reading special-casing table for case conversion\n";
-open (INPUT, "< $ARGV[3]") || exit 1;
+open (INPUT, "< $specialcasingtxt") || exit 1;
while (<INPUT>)
{
close INPUT;
-open (INPUT, "< $ARGV[4]") || exit 1;
+open (INPUT, "< $casefoldingtxt") || exit 1;
my $casefoldlen = 0;
my @casefold;
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 ($last_code)
}
&print_decomp ($last_code);
&output_composition_table;
}
-
&print_line_break ($last_code);
+if ($do_scripts) {
+ &print_scripts
+}
+
exit 0;
{
my ($string) = @_;
- use bytes;
return length $string;
}
&output_special_case_table (\*OUT);
&output_casefold_table (\*OUT);
+ #
+ # And the widths tables
+ #
+ &output_width_tables (\*OUT);
+
print OUT "#endif /* CHARTABLES_H */\n";
close (OUT);
{
my ($string) = @_;
- $string =~ s/(\C)/sprintf "\\x%02x",ord($1)/eg;
+ my $escaped = unpack("H*", $string);
+ $escaped =~ s/(.{2})/\\x$1/g;
- return $string;
+ return $escaped;
}
# Returns the offset of $decomp in the offset string. Updates the
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", $bytes_out;
print OUT "#ifndef BREAKTABLES_H\n";
print OUT "#define BREAKTABLES_H\n\n";
+ print OUT "#include <glib/gtypes.h>\n";
+ print OUT "#include <glib/gunicode.h>\n\n";
+
print OUT "#define G_UNICODE_DATA_VERSION \"$ARGV[0]\"\n\n";
printf OUT "#define G_UNICODE_LAST_CHAR 0x%04X\n\n", $last;
(map { hex ($_) } split /\s+/, $field1),
0,
(map { hex ($_) } split /\s+/, $field2));
- $result = "";
+ $result = "";
for $value (@values) {
$result .= pack ("U", $value); # to utf-8
@values = map { hex ($_) } split /\s+/, $compositions{$code};
# non-starters
+ if ($cclass[$code]) {
+ delete $compositions{$code};
+ next;
+ }
if ($cclass[$values[0]]) {
delete $compositions{$code};
next;
$last = $code if $code > $last;
}
+ printf OUT "#define COMPOSE_TABLE_LAST %d\n\n", $last / 256;
+
# Output lookup table
my @row;
}
printf OUT "\n};\n\n";
- print OUT "static const gint16 compose_table[256] = {\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";
- $bytes_out += 256 * 2;
-
# Output first singletons
- print OUT "static const guint16 compose_first_single[][2] = {\n";
+ print OUT "static const gunichar compose_first_single[][2] = {\n";
$i = 0;
for $record (@first_singletons) {
- if ($record->[1] > 0xFFFF or $record->[2] > 0xFFFF) {
- die "time to switch compose_first_single to gunichar" ;
- }
print OUT ",\n" if $i++ > 0;
printf OUT " { %#06x, %#06x }", $record->[1], $record->[2];
}
# Output second singletons
- print OUT "static const guint16 compose_second_single[][2] = {\n";
+ print OUT "static const gunichar compose_second_single[][2] = {\n";
$i = 0;
for $record (@second_singletons) {
- if ($record->[1] > 0xFFFF or $record->[2] > 0xFFFF) {
- die "time to switch compose_second_single to gunichar";
- }
print OUT ",\n" if $i++ > 0;
printf OUT " { %#06x, %#06x }", $record->[1], $record->[2];
}
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;
+}
projects / platform / upstream / glib.git / blobdiff