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[perl5.git] / lib / unicore / mktables
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d73e5302 1#!/usr/bin/perl -w
d73e5302 2use strict;
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3use Carp;
4##
5## mktables -- create the runtime Perl Unicode files (lib/unicore/**/*.pl)
6## from the Unicode database files (lib/unicore/*.txt).
7##
d2d499f5 8
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9mkdir("In", 0755);
10mkdir("Is", 0755);
11mkdir("To", 0755);
12
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13##
14## Process any args.
15##
16my $Verbose = 0;
17
18while (@ARGV)
19{
20 my $arg = shift @ARGV;
21 if ($arg eq '-v') {
22 $Verbose = 1;
23 } elsif ($arg eq '-q') {
24 $Verbose = 0;
d73e5302 25 } else {
cf25bb62 26 die "usage: $0 [-v|-q]";
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27 }
28}
29
cf25bb62 30my $LastUnicodeCodepoint = 0x10FFFF; # As of Unicode 3.1.1.
d73e5302 31
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32my $now = localtime;
33my $HEADER=<<"EOF";
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34# !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
35# This file is built by $0 from e.g. Unicode.txt.
36# Any changes made here will be lost!
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37
38EOF
39
40##
41## The main datastructure (a "Table") represents a set of code points that
42## are part of a particular quality (that are part of \pL, \p{InGreek},
43## etc.). They are kept as ranges of code points (starting and ending of
44## each range).
45##
46## For example, a range ASCII LETTERS would be represented as:
47## [ [ 0x41 => 0x5A, 'UPPER' ],
48## [ 0x61 => 0x7A, 'LOWER, ] ]
49##
50sub RANGE_START() { 0 } ## index into range element
51sub RANGE_END() { 1 } ## index into range element
52sub RANGE_NAME() { 2 } ## index into range element
53
54my %TableInfo;
55my %FuzzyNames;
56my %AliasInfo;
57
58##
59## Associates a property ("Greek", "Lu", "Assigned",...) with a Table.
60##
61## Called like:
62## New_Prop(In => 'Greek', $Table, AllowFuzzy => 1);
63##
64## Normally, these parameters are set when the Table is created (when the
65## Table->New constructor is called), but there are times when it needs to
66## be done after-the-fact...)
67##
68sub New_Prop($$$@)
69{
70 my $Type = shift; ## "Is" or "In";
71 my $Name = shift;
72 my $Table = shift;
73
74 ## remaining args are optional key/val
75 my %Args = @_;
76
77 my $AllowFuzzy = delete $Args{AllowFuzzy};
78
79 ## sanity check a few args
80 if (%Args or ($Type ne 'Is' and $Type ne 'In') or not ref $Table) {
81 confess "$0: bad args to New_Prop"
82 }
83
84 if (not $TableInfo{$Type}->{$Name})
85 {
86 $TableInfo{$Type}->{$Name} = $Table;
87 if ($AllowFuzzy) {
88 $FuzzyNames{$Type}->{$Name} = $Name;
89 }
90 }
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91}
92
d73e5302 93
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94##
95## Creates a new Table object.
96##
97## Args are key/value pairs:
98## In => Name -- Name of "In" property to be associated with
99## Is => Name -- Name of "Is" property to be associated with
100## AllowFuzzy => Boolean -- True if name can be accessed "fuzzily"
101##
102## No args are required.
103##
104sub Table::New
105{
106 my $class = shift;
107 my %Args = @_;
108
109 my $Table = bless [], $class;
110
111 my $AllowFuzzy = delete $Args{AllowFuzzy};
112
113 for my $Type ('Is', 'In')
114 {
115 if (my $Name = delete $Args{$Type}) {
116 New_Prop($Type => $Name, $Table, AllowFuzzy => $AllowFuzzy);
117 }
118 }
119
120 ## shouldn't have any left over
121 if (%Args) {
122 confess "$0: bad args to Table->New"
123 }
124
125 return $Table;
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126}
127
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128##
129## Returns true if the Table has no code points
130##
131sub Table::IsEmpty
132{
133 my $Table = shift; #self
134 return not @$Table;
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135}
136
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137##
138## Returns true if the Table has code points
139##
140sub Table::NotEmpty
141{
142 my $Table = shift; #self
143 return @$Table;
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144}
145
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146##
147## Returns the maximum code point currently in the table.
148##
149sub Table::Max
150{
151 my $Table = shift; #self
152 confess "oops" if $Table->IsEmpty; ## must have code points to have a max
153 return $Table->[-1]->[RANGE_END];
154}
d73e5302 155
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156##
157## Replaces the codepoints in the Table with those in the Table given
158## as an arg. (NOTE: this is not a "deep copy").
159##
160sub Table::Replace($$)
161{
162 my $Table = shift; #self
163 my $New = shift;
d73e5302 164
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165 @$Table = @$New;
166}
71d929cb 167
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168##
169## Given a new code point, make the last range of the Table extend to
170## include the new (and all intervening) code points.
171##
172sub Table::Extend
173{
174 my $Table = shift; #self
175 my $codepoint = shift;
d73e5302 176
cf25bb62 177 my $PrevMax = $Table->Max;
e904f995 178
cf25bb62 179 confess "oops ($codepoint <= $PrevMax)" if $codepoint <= $PrevMax;
e904f995 180
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181 $Table->[-1]->[RANGE_END] = $codepoint;
182}
c3a8a2b8 183
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184##
185## Given a code point range start and end (and optional name), blindly
186## append them to the list of ranges for the Table.
187##
188## NOTE: Code points must be added in strictly ascending numeric order.
189##
190sub Table::RawAppendRange
191{
192 my $Table = shift; #self
193 my $start = shift;
194 my $end = shift;
195 my $name = shift;
196 $name = "" if not defined $name; ## warning: $name can be "0"
197
198 push @$Table, [ $start, # RANGE_START
199 $end, # RANGE_END
200 $name ]; # RANGE_NAME
201}
c3a8a2b8 202
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203##
204## Given a code point (and optional name), add it to the Table.
205##
206## NOTE: Code points must be added in strictly ascending numeric order.
207##
208sub Table::Append
209{
210 my $Table = shift; #self
211 my $codepoint = shift;
212 my $name = shift;
213 $name = "" if not defined $name; ## warning: $name can be "0"
214
215 ##
216 ## If we've already got a range working, and this code point is the next
217 ## one in line, and if the name is the same, just extend the current range.
218 ##
219 if ($Table->NotEmpty
220 and
221 $Table->Max == $codepoint - 1
222 and
223 $Table->[-1]->[RANGE_NAME] eq $name)
224 {
225 $Table->Extend($codepoint);
c3a8a2b8 226 }
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227 else
228 {
229 $Table->RawAppendRange($codepoint, $codepoint, $name);
d73e5302 230 }
cf25bb62 231}
d73e5302 232
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233##
234## Given a code point range starting value and ending value (and name),
235## Add the range to teh Table.
236##
237## NOTE: Code points must be added in strictly ascending numeric order.
238##
239sub Table::AppendRange
240{
241 my $Table = shift; #self
242 my $start = shift;
243 my $end = shift;
244 my $name = shift;
245 $name = "" if not defined $name; ## warning: $name can be "0"
246
247 $Table->Append($start, $name);
248 $Table->Extend($end) if $end > $start;
249}
d73e5302 250
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251##
252## Return a new Table that represents all code points not in the Table.
253##
254sub Table::Invert
255{
256 my $Table = shift; #self
257
258 my $New = Table->New();
259 my $max = -1;
260 for my $range (@$Table)
261 {
262 my $start = $range->[RANGE_START];
263 my $end = $range->[RANGE_END];
264 if ($start-1 >= $max+1) {
265 $New->AppendRange($max+1, $start-1, "");
266 }
267 $max = $end;
d73e5302 268 }
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269 if ($max+1 < $LastUnicodeCodepoint) {
270 $New->AppendRange($max+1, $LastUnicodeCodepoint);
d73e5302 271 }
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272 return $New;
273}
d73e5302 274
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275##
276## Merges any number of other tables with $self, returning the new table.
277## (existing tables are not modified)
278##
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279##
280## Args may be Tables, or individual code points (as integers).
281##
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282## Can be called as either a constructor or a method.
283##
284sub Table::Merge
285{
286 shift(@_) if not ref $_[0]; ## if called as a constructor, lose the class
287 my @Tables = @_;
288
289 ## Accumulate all records from all tables
290 my @Records;
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291 for my $Arg (@Tables)
292 {
293 if (ref $Arg) {
294 ## arg is a table -- get its ranges
295 push @Records, @$Arg;
296 } else {
297 ## arg is a codepoint, make a range
298 push @Records, [ $Arg, $Arg ]
299 }
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300 }
301
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302 ## sort by range start, with longer ranges coming first.
303 my ($first, @Rest) = sort {
304 ($a->[RANGE_START] <=> $b->[RANGE_START])
305 or
306 ($b->[RANGE_END] <=> $b->[RANGE_END])
307 } @Records;
308
309 my $New = Table->New();
310
311 ## Ensuring the first range is there makes the subsequent loop easier
312 $New->AppendRange($first->[RANGE_START],
313 $first->[RANGE_END]);
314
315 ## Fold in records so long as they add new information.
316 for my $set (@Rest)
317 {
318 my $start = $set->[RANGE_START];
319 my $end = $set->[RANGE_END];
320 if ($start > $New->Max) {
321 $New->AppendRange($start, $end);
322 } elsif ($end > $New->Max) {
323 $New->Extend($end);
324 }
d73e5302 325 }
d73e5302 326
cf25bb62 327 return $New;
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328}
329
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330##
331## Given a filename, write a representation of the Table to a file.
332##
333sub Table::Write
334{
335 my $Table = shift; #self
336 my $filename = shift;
d73e5302 337
cf25bb62 338 print "$filename\n" if $Verbose;
d73e5302 339
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340 if (not open(OUT, ">$filename")) {
341 die "$0: can't write $filename: $!\n";
342 }
d73e5302 343
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344 print OUT $HEADER;
345 print OUT "return <<'END';\n";
d73e5302 346
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347 for my $set (@$Table)
348 {
349 my $start = $set->[RANGE_START];
350 my $end = $set->[RANGE_END];
351 my $name = $set->[RANGE_NAME];
d73e5302 352
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353 if ($start == $end) {
354 printf OUT "%04X\t\t%s\n", $start, $name;
355 } else {
356 printf OUT "%04X\t%04X\t%s\n", $start, $end, $name;
357 }
358 }
d73e5302 359
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360 print OUT "END\n";
361 close OUT;
362}
363
364###########################################################################
365###########################################################################
366###########################################################################
367
368
369##
370## Called like:
371## New_Alias(Is => 'All', SameAs => 'Any', AllowFuzzy => 1);
372##
373## The args must be in that order, although the AllowFuzzy pair may be omitted.
374##
375## This creates 'IsAll' as an alias for 'IsAny'
376##
377sub New_Alias($$$@)
378{
379 my $Type = shift; ## "Is" or "In"
380 my $Alias = shift;
381 my $SameAs = shift;
382 my $Name = shift;
383
384 ## remaining args are optional key/val
385 my %Args = @_;
386
387 my $AllowFuzzy = delete $Args{AllowFuzzy};
388
389 ## sanity check a few args
390 if (%Args or ($Type ne 'Is' and $Type ne 'In') or $SameAs ne 'SameAs') {
391 confess "$0: bad args to New_Alias"
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392 }
393
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394 if (not $TableInfo{$Type}->{$Name}) {
395 confess "$0: don't have orignial $Type => $Name to make alias"
396 }
397 if ($TableInfo{$Alias}) {
398 confess "$0: already have original $Type => $Alias; can't make alias";
d73e5302 399 }
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400 $AliasInfo{$Type}->{$Name} = $Alias;
401 if ($AllowFuzzy) {
402 $FuzzyNames{$Type}->{$Alias} = $Name;
403 }
404
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405}
406
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407##
408## Turn something like
409## OLD-ITALIC
410## to
411## Old_Italic
412##
413sub CanonicalName($)
414{
415 my $name = lc shift;
416 $name =~ s/\W+/_/;
417 $name =~ s/(?<![a-z])(\w)/\u$1/g;
418 return $name;
419}
d73e5302 420
d73e5302 421
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422## All assigned code points
423my $Assigned = Table->New(Is => 'Assigned', AllowFuzzy => 1);
d2d499f5 424
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425my $Name = Table->New(); ## all characters, individually by name
426my $General = Table->New(); ## all characters, grouped by category
427my %General;
428my %Cat;
d73e5302 429
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430##
431## Process Unicode.txt (Categories, etc.)
432##
433sub Unicode_Txt()
434{
435 my $Bidi = Table->New();
436 my $Deco = Table->New();
437 my $Comb = Table->New();
438 my $Number = Table->New();
439 my $Mirrored = Table->New(Is => 'Mirrored', AllowFuzzy => 0);
d73e5302 440
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441 my %DC;
442 my %Bidi;
443 my %Deco;
444 $Deco{Canon} = Table->New(Is => 'Canon', AllowFuzzy => 0);
445 $Deco{Compat} = Table->New(Is => 'Compat', AllowFuzzy => 0);
446
447 ## Initialize Perl-generated categories
448 $Cat{Alnum} = Table->New(Is => 'Alnum', AllowFuzzy => 0);
449 $Cat{Alpha} = Table->New(Is => 'Alpha', AllowFuzzy => 0);
450 $Cat{ASCII} = Table->New(Is => 'ASCII', AllowFuzzy => 0);
451 $Cat{Blank} = Table->New(Is => 'Blank', AllowFuzzy => 0);
452 $Cat{Cntrl} = Table->New(Is => 'Cntrl', AllowFuzzy => 0);
453 $Cat{Digit} = Table->New(Is => 'Digit', AllowFuzzy => 0);
454 $Cat{Graph} = Table->New(Is => 'Graph', AllowFuzzy => 0);
455 $Cat{Lower} = Table->New(Is => 'Lower', AllowFuzzy => 0);
456 $Cat{Print} = Table->New(Is => 'Print', AllowFuzzy => 0);
457 $Cat{Punct} = Table->New(Is => 'Punct', AllowFuzzy => 0);
458 $Cat{SpacePerl} = Table->New(Is => 'SpacePerl', AllowFuzzy => 0);
459 $Cat{Space} = Table->New(Is => 'Space', AllowFuzzy => 0);
460 $Cat{Title} = Table->New(Is => 'Title', AllowFuzzy => 0);
461 $Cat{Upper} = Table->New(Is => 'Upper', AllowFuzzy => 0);
462 $Cat{Word} = Table->New(Is => 'Word' , AllowFuzzy => 0);
463 $Cat{XDigit} = Table->New(Is => 'XDigit', AllowFuzzy => 0);
464 ## Categories from Unicode.txt are auto-initialized in gencat()
d73e5302 465
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466 my %To;
467 $To{Upper} = Table->New();
468 $To{Lower} = Table->New();
469 $To{Title} = Table->New();
470 $To{Digit} = Table->New();
471
472 sub gencat($$$$)
473 {
474 my ($name, ## Name ("LATIN CAPITAL LETTER A")
475 $cat, ## Category ("Lu", "Zp", "Nd", etc.)
476 $code, ## Code point (as an integer)
477 $op) = @_;
478
479 my $MajorCat = substr($cat, 0, 1); ## L, M, Z, S, etc
480
481 $Assigned->$op($code);
482 $Name->$op($code, $name);
483 $General->$op($code, $cat);
484
485 ## add to the sub category (e.g. "Lu", "Nd", "Cf", ..)
486 $Cat{$cat} ||= Table->New(Is => $cat, AllowFuzzy => 0);
487 $Cat{$cat}->$op($code);
488
489 ## add to the major category (e.g. "L", "N", "C", ...)
490 $Cat{$MajorCat} ||= Table->New(Is => $MajorCat, AllowFuzzy => 0);
491 $Cat{$MajorCat}->$op($code);
492
493 ($General{$name} ||= Table->New)->$op($code, $name);
494
495 # 005F: SPACING UNDERSCORE
496 $Cat{Word}->$op($code) if $cat =~ /^[LMN]/ || $code == 0x005F;
497 $Cat{Alnum}->$op($code) if $cat =~ /^[LMN]/;
498 $Cat{Alpha}->$op($code) if $cat =~ /^[LM]/;
499
500
501
502 $Cat{Space}->$op($code) if $cat =~ /^Z/
503 || $code == 0x0009 # 0009: HORIZONTAL TAB
504 || $code == 0x000A # 000A: LINE FEED
505 || $code == 0x000B # 000B: VERTICAL TAB
506 || $code == 0x000C # 000C: FORM FEED
507 || $code == 0x000D; # 000D: CARRIAGE RETURN
508
509
510 $Cat{SpacePerl}->$op($code) if $cat =~ /^Z/
511 || $code == 0x0009 # 0009: HORIZONTAL TAB
512 || $code == 0x000A # 000A: LINE FEED
513 || $code == 0x000C # 000C: FORM FEED
514 || $code == 0x000D # 000D: CARRIAGE RETURN
515 || $code == 0x0085 # 0085: <NEXT LINE>
516 || $code == 0x2028 # 2028: LINE SEPARATOR
517 || $code == 0x2029;# 2029: PARAGRAPH SEP.
518
519 $Cat{Blank}->$op($code) if $cat =~ /^Z[^lp]$/
520 || $code == 0x0009 # 0009: HORIZONTAL TAB
521 || $code == 0x0020; # 0020: SPACE
522
523 $Cat{Digit}->$op($code) if $cat eq "Nd";
524 $Cat{Upper}->$op($code) if $cat eq "Lu";
525 $Cat{Lower}->$op($code) if $cat eq "Ll";
526 $Cat{Title}->$op($code) if $cat eq "Lt";
527 $Cat{ASCII}->$op($code) if $code <= 0x007F;
528 $Cat{Cntrl}->$op($code) if $cat =~ /^C/;
529 $Cat{Graph}->$op($code) if $cat =~ /^([LMNPS]|Co)/;
530 $Cat{Print}->$op($code) if $cat =~ /^([LMNPS]|Co|Zs)/;
531 $Cat{Punct}->$op($code) if $cat =~ /^P/;
532
533 $Cat{XDigit}->$op($code) if ($code >= 0x30 && $code <= 0x39) ## 0..9
534 || ($code >= 0x41 && $code <= 0x46) ## A..F
535 || ($code >= 0x61 && $code <= 0x66); ## a..f
536 }
d73e5302 537
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538 ## open ane read file.....
539 if (not open IN, "Unicode.txt") {
540 die "$0: Unicode.txt: $!\n";
541 }
d73e5302 542
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543 ##
544 ## For building \p{_CombAbove} and \p{_CanonDCIJ}
545 ##
546 my %_Above_HexCodes; ## Hexcodes for chars with $comb == 230 ("ABOVE")
547
548 my %CodeToDeco; ## Maps code to decomp. list for chars with first
549 ## decomp. char an "i" or "j" (for \p{_CanonDCIJ})
550
551 ## This is filled in as we go....
552 my $CombAbove = Table->New(Is => '_CombAbove', AllowFuzzy => 0);
553
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554 while (<IN>)
555 {
556 next unless /^[0-9A-Fa-f]+;/;
557 s/\s+$//;
558
559 my ($hexcode, ## code point in hex (e.g. "0041")
560 $name, ## character name (e.g. "LATIN CAPITAL LETTER A")
561 $cat, ## category (e.g. "Lu")
562 $comb, ## Canonical combining class (e.t. "230")
563 $bidi, ## directional category (e.g. "L")
564 $deco, ## decomposition mapping
565 $decimal, ## decimal digit value
566 $digit, ## digit value
567 $number, ## numeric value
568 $mirrored, ## mirrored
569 $unicode10, ## name in Unicode 1.0
570 $comment, ## comment field
571 $upper, ## uppercase mapping
572 $lower, ## lowercase mapping
573 $title, ## titlecase mapping
574 ) = split(/\s*;\s*/);
575
576 my $code = hex($hexcode);
577
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578 if ($comb and $comb == 230) {
579 $CombAbove->Append($code);
580 $_Above_HexCodes{$hexcode} = 1;
581 }
582
583 ## Used in building \p{_CanonDCIJ}
584 if ($deco and $deco =~ m/^006[9A]\b/) {
585 $CodeToDeco{$code} = $deco;
586 }
587
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588 ##
589 ## There are a few pairs of lines like:
590 ## AC00;<Hangul Syllable, First>;Lo;0;L;;;;;N;;;;;
591 ## D7A3;<Hangul Syllable, Last>;Lo;0;L;;;;;N;;;;;
592 ## that define ranges.
593 ##
594 if ($name =~ /^<(.+), (First|Last)>$/)
595 {
596 $name = $1;
597 gencat($name, $cat, $code, $2 eq 'First' ? 'Append' : 'Extend');
598 #New_Prop(In => $name, $General{$name}, AllowFuzzy => 1);
599 }
600 else
601 {
602 ## normal (single-character) lines
603 gencat($name, $cat, $code, 'Append');
604
605 # No Append() here since since several codes may map into one.
606 $To{Upper}->RawAppendRange($code, $code, $upper) if $upper;
607 $To{Lower}->RawAppendRange($code, $code, $lower) if $lower;
608 $To{Title}->RawAppendRange($code, $code, $title) if $title;
609 $To{Digit}->Append($code, $decimal) if length $decimal;
610
611 $Bidi->Append($code, $bidi);
612 $Comb->Append($code, $comb) if $comb;
613 $Number->Append($code, $number) if length $number;
614
615 $Mirrored->Append($code) if $mirrored eq "Y";
616
617 $Bidi{$bidi} ||= Table->New(Is => "Bidi$bidi", AllowFuzzy => 0);
618 $Bidi{$bidi}->Append($code);
619
620 if ($deco)
621 {
622 $Deco->Append($code, $deco);
623 if ($deco =~/^<(\w+)>/)
624 {
625 $Deco{Compat}->Append($code);
626
627 $DC{$1} ||= Table->New(Is => "DC$1", AllowFuzzy => 0);
628 $DC{$1}->Append($code);
629 }
630 else
631 {
632 $Deco{Canon}->Append($code);
633 }
634 }
635 }
636 }
637 close IN;
d2d499f5 638
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639 ##
640 ## Tidy up a few special cases....
641 ##
d73e5302 642
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643 $Cat{Cn} = $Assigned->Invert; ## Cn is everything that doesn't exist
644 New_Prop(Is => 'Cn', $Cat{Cn}, AllowFuzzy => 0);
d73e5302 645
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646 ## Unassigned is the same as 'Cn'
647 New_Alias(Is => 'Unassigned', SameAs => 'Cn', AllowFuzzy => 1);
d73e5302 648
cf25bb62 649 $Cat{C}->Replace($Cat{C}->Merge($Cat{Cn})); ## Now merge in Cn into C
d73e5302 650
d73e5302 651
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652 # L& is Ll, Lu, and Lt.
653 New_Prop(Is => 'L&',
654 Table->Merge(@Cat{qw[Ll Lu Lt]}),
655 AllowFuzzy => 0);
d73e5302 656
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657 ## Any and All are all code points.
658 my $Any = Table->New(Is => 'Any', AllowFuzzy => 1);
659 $Any->RawAppendRange(0, $LastUnicodeCodepoint);
d73e5302 660
cf25bb62 661 New_Alias(Is => 'All', SameAs => 'Any', AllowFuzzy => 1);
d73e5302 662
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663 ##
664 ## Build special properties for Perl's internal case-folding needs:
665 ## \p{_CaseIgnorable}
666 ## \p{_CanonDCIJ}
667 ## \p{_CombAbove}
668 ## _CombAbove was built above. Others are built here....
669 ##
670
671 ## \p{_CaseIgnorable} is [\p{Mn}\0x00AD\x2010]
672 New_Prop(Is => '_CaseIgnorable',
673 Table->Merge($Cat{Mn},
674 0x00AD, #SOFT HYPHEN
675 0x2010), #HYPHEN
676 AllowFuzzy => 0);
677
678
679 ## \p{_CanonDCIJ} is fairly complex...
680 my $CanonCDIJ = Table->New(Is => '_CanonDCIJ', AllowFuzzy => 0);
681 ## It contains the ASCII 'i' and 'j'....
682 $CanonCDIJ->Append(0x0069); # ASCII ord("i")
683 $CanonCDIJ->Append(0x006A); # ASCII ord("j")
684 ## ...and any character with a decomposition that starts with either of
685 ## those code points, but only if the decomposition does not have any
686 ## combining character with the "ABOVE" canonical combining class.
687 for my $code (sort { $a <=> $b} keys %CodeToDeco)
688 {
689 ## Need to ensure that all decomposition characters do not have
690 ## a %HexCodeToComb in %AboveCombClasses.
691 my $want = 1;
692 for my $deco_hexcode (split / /, $CodeToDeco{$code})
693 {
694 if (exists $_Above_HexCodes{$deco_hexcode}) {
695 ## one of the decmposition chars has an ABOVE combination
696 ## class, so we're not interested in this one
697 $want = 0;
698 last;
699 }
700 }
701 if ($want) {
702 $CanonCDIJ->Append($code);
703 }
704 }
705
706
d73e5302 707
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708 ##
709 ## Now dump the files.
710 ##
711 $Name->Write("Name.pl");
712 $Bidi->Write("Bidirectional.pl");
713 $Comb->Write("CombiningClass.pl");
714 $Deco->Write("Decomposition.pl");
715 $Number->Write("Number.pl");
716 $General->Write("Category.pl");
717
718 for my $to (sort keys %To) {
719 $To{$to}->Write("To/$to.pl");
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720 }
721}
722
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723##
724## Process LineBrk.txt
725##
726sub LineBrk_Txt()
727{
728 if (not open IN, "LineBrk.txt") {
729 die "$0: LineBrk.txt: $!\n";
730 }
d73e5302 731
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732 my $Lbrk = Table->New();
733 my %Lbrk;
d73e5302 734
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735 while (<IN>)
736 {
737 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(\w+)/;
d73e5302 738
cf25bb62 739 my ($first, $last, $lbrk) = (hex($1), hex($2||""), $3);
d73e5302 740
cf25bb62 741 $Lbrk->Append($first, $lbrk);
d73e5302 742
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743 $Lbrk{$lbrk} ||= Table->New(Is => "Lbrk$lbrk", AllowFuzzy => 0);
744 $Lbrk{$lbrk}->Append($first);
d73e5302 745
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746 if ($last) {
747 $Lbrk->Extend($last);
748 $Lbrk{$lbrk}->Extend($last);
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749 }
750 }
cf25bb62 751 close IN;
d73e5302 752
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753 $Lbrk->Write("Lbrk.pl");
754}
d73e5302 755
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756##
757## Process ArabShap.txt.
758##
759sub ArabShap_txt()
760{
761 if (not open IN, "ArabShap.txt") {
762 die "$0: ArabShap.txt: $!\n";
763 }
d73e5302 764
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765 my $ArabLink = Table->New();
766 my $ArabLinkGroup = Table->New();
d73e5302 767
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768 while (<IN>)
769 {
770 next unless /^[0-9A-Fa-f]+;/;
771 s/\s+$//;
d73e5302 772
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773 my ($hexcode, $name, $link, $linkgroup) = split(/\s*;\s*/);
774 my $code = hex($hexcode);
775 $ArabLink->Append($code, $link);
776 $ArabLinkGroup->Append($code, $linkgroup);
d73e5302 777 }
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778 close IN;
779
780 $ArabLink->Write("ArabLink.pl");
781 $ArabLinkGroup->Write("ArabLnkGrp.pl");
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782}
783
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784##
785## Process Jamo.txt.
786##
787sub Jamo_txt()
788{
789 if (not open IN, "Jamo.txt") {
790 die "$0: Jamo.txt: $!\n";
791 }
792 my $Short = Table->New();
d73e5302 793
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794 while (<IN>)
795 {
796 next unless /^([0-9A-Fa-f]+)\s*;\s*(\w*)/;
797 my ($code, $short) = (hex($1), $2);
d73e5302 798
cf25bb62 799 $Short->Append($code, $short);
d73e5302 800 }
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801 close IN;
802 $Short->Write("JamoShort.pl");
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803}
804
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805##
806## Process Scripts.txt.
807##
808sub Scripts_txt()
809{
810 my @ScriptInfo;
d73e5302 811
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812 if (not open(IN, "Scripts.txt")) {
813 die "$0: Scripts.txt: $!\n";
814 }
815 while (<IN>) {
816 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
d73e5302 817
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818 # Wait until all the scripts have been read since
819 # they are not listed in numeric order.
820 push @ScriptInfo, [ hex($1), hex($2||""), $3 ];
821 }
822 close IN;
d73e5302 823
cf25bb62 824 # Now append the scripts properties in their code point order.
d73e5302 825
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826 my %Script;
827 my $Scripts = Table->New();
d73e5302 828
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829 for my $script (sort { $a->[0] <=> $b->[0] } @ScriptInfo)
830 {
831 my ($first, $last, $name) = @$script;
832 $Scripts->Append($first, $name);
d73e5302 833
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834 $Script{$name} ||= Table->New(Is => CanonicalName($name),
835 AllowFuzzy => 1);
836 $Script{$name}->Append($first, $name);
d73e5302 837
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838 if ($last) {
839 $Scripts->Extend($last);
840 $Script{$name}->Extend($last);
841 }
842 }
d73e5302 843
cf25bb62 844 $Scripts->Write("Scripts.pl");
d73e5302 845
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846 ## Common is everything not explicitly assigned to a Script
847 ##
848 ## ***shouldn't this be intersected with \p{Assigned}? ******
849 ##
850 New_Prop(Is => 'Common', $Scripts->Invert, AllowFuzzy => 1);
851}
d73e5302 852
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853##
854## Given a name like "Close Punctuation", return a regex (that when applied
855## with /i) matches any valid form of that name (e.g. "ClosePunctuation",
856## "Close-Punctuation", etc.)
857##
858## Accept any space, dash, or underbar where in the official name there is
859## space or a dash (or underbar, but there never is).
860##
861##
862sub NameToRegex($)
863{
864 my $Name = shift;
865 $Name =~ s/[- _]/(?:[-_]|\\s+)?/g;
866 return $Name;
867}
d73e5302 868
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869##
870## Process Blocks.txt.
871##
872sub Blocks_txt()
873{
874 my $Blocks = Table->New();
875 my %Blocks;
d73e5302 876
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877 if (not open IN, "Blocks.txt") {
878 die "$0: Blocks.txt: $!\n";
879 }
d73e5302 880
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881 while (<IN>)
882 {
883 #next if not /Private Use$/;
884 next if not /^([0-9A-Fa-f]+)\.\.([0-9A-Fa-f]+)\s*;\s*(.+?)\s*$/;
d73e5302 885
cf25bb62 886 my ($first, $last, $name) = (hex($1), hex($2), $3);
d73e5302 887
cf25bb62 888 $Blocks->Append($first, $name);
76ccdbe2 889
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890 $Blocks{$name} ||= Table->New(In=>CanonicalName($name), AllowFuzzy=>1);
891 $Blocks{$name}->Append($first, $name);
76ccdbe2 892
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893 if ($last and $last != $first) {
894 $Blocks->Extend($last);
895 $Blocks{$name}->Extend($last);
d73e5302 896 }
d73e5302 897 }
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898 close IN;
899
900 $Blocks->Write("Blocks.pl");
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901}
902
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903##
904## Read in the PropList.txt. It contains extended properties not
905## listed in the Unicode.txt, such as 'Other_Alphabetic':
906## alphabetic but not of the general category L; many modifiers
907## belong to this extended property category: while they are not
908## alphabets, they are alphabetic in nature.
909##
910sub PropList_txt()
911{
912 my @PropInfo;
913
914 if (not open IN, "PropList.txt") {
915 die "$0: PropList.txt: $!\n";
916 }
d73e5302 917
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918 while (<IN>)
919 {
920 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
d73e5302 921
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922 # Wait until all the extended properties have been read since
923 # they are not listed in numeric order.
924 push @PropInfo, [ hex($1), hex($2||""), $3 ];
925 }
926 close IN;
71d929cb 927
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928 # Now append the extended properties in their code point order.
929 my $Props = Table->New();
930 my %Prop;
71d929cb 931
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932 for my $prop (sort { $a->[0] <=> $b->[0] } @PropInfo)
933 {
934 my ($first, $last, $name) = @$prop;
935 $Props->Append($first, $name);
71d929cb 936
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937 $Prop{$name} ||= Table->New(Is => $name, AllowFuzzy => 1);
938 $Prop{$name}->Append($first, $name);
71d929cb 939
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940 if ($last) {
941 $Props->Extend($last);
942 $Prop{$name}->Extend($last);
943 }
71d929cb 944 }
d73e5302 945
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946 # Alphabetic is L and Other_Alphabetic.
947 New_Prop(Is => 'Alphabetic',
948 Table->Merge($Cat{L}, $Prop{Other_Alphabetic}),
949 AllowFuzzy => 1);
950
951 # Lowercase is Ll and Other_Lowercase.
952 New_Prop(Is => 'Lowercase',
953 Table->Merge($Cat{Ll}, $Prop{Other_Lowercase}),
954 AllowFuzzy => 1);
955
956 # Uppercase is Lu and Other_Uppercase.
957 New_Prop(Is => 'Uppercase',
958 Table->Merge($Cat{Lu}, $Prop{Other_Uppercase}),
959 AllowFuzzy => 1);
960
961 # Math is Sm and Other_Math.
962 New_Prop(Is => 'Math',
963 Table->Merge($Cat{Sm}, $Prop{Other_Math}),
964 AllowFuzzy => 1);
965
966 # ID_Start is Ll, Lu, Lt, Lm, Lo, and Nl.
967 New_Prop(Is => 'ID_Start',
968 Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl]}),
969 AllowFuzzy => 1);
970
971 # ID_Continue is ID_Start, Mn, Mc, Nd, and Pc.
972 New_Prop(Is => 'ID_Continue',
973 Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl Mn Mc Nd Pc ]}),
974 AllowFuzzy => 1);
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975}
976
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977sub Make_GC_Aliases()
978{
979 ##
980 ## The mapping from General Category long forms to short forms is
981 ## currently hardwired here since no simple data file in the UCD
982 ## seems to do that. Unicode 3.2 will assumedly correct this.
983 ##
984 my %Is = (
d73e5302 985 'Letter' => 'L',
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986 'Uppercase_Letter' => 'Lu',
987 'Lowercase_Letter' => 'Ll',
988 'Titlecase_Letter' => 'Lt',
989 'Modifier_Letter' => 'Lm',
990 'Other_Letter' => 'Lo',
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991
992 'Mark' => 'M',
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993 'Non_Spacing_Mark' => 'Mn',
994 'Spacing_Mark' => 'Mc',
995 'Enclosing_Mark' => 'Me',
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996
997 'Separator' => 'Z',
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998 'Space_Separator' => 'Zs',
999 'Line_Separator' => 'Zl',
1000 'Paragraph_Separator' => 'Zp',
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1001
1002 'Number' => 'N',
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1003 'Decimal_Number' => 'Nd',
1004 'Letter_Number' => 'Nl',
1005 'Other_Number' => 'No',
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1006
1007 'Punctuation' => 'P',
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1008 'Connector_Punctuation' => 'Pc',
1009 'Dash_Punctuation' => 'Pd',
1010 'Open_Punctuation' => 'Ps',
1011 'Close_Punctuation' => 'Pe',
1012 'Initial_Punctuation' => 'Pi',
1013 'Final_Punctuation' => 'Pf',
1014 'Other_Punctuation' => 'Po',
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1015
1016 'Symbol' => 'S',
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1017 'Math_Symbol' => 'Sm',
1018 'Currency_Symbol' => 'Sc',
1019 'Modifier_Symbol' => 'Sk',
1020 'Other_Symbol' => 'So',
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1021
1022 'Other' => 'C',
1023 'Control' => 'Cc',
1024 'Format' => 'Cf',
1025 'Surrogate' => 'Cs',
1026 'Private Use' => 'Co',
e150c829 1027 'Unassigned' => 'Cn',
cf25bb62 1028 );
d2d499f5 1029
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1030 ## make the aliases....
1031 while (my ($Alias, $Name) = each %Is) {
1032 New_Alias(Is => $Alias, SameAs => $Name, AllowFuzzy => 1);
1033 }
1034}
d2d499f5 1035
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1036##
1037## Writes the info accumulated in
1038##
1039## %TableInfo;
1040## %FuzzyNames;
1041## %AliasInfo;
1042##
1043##
1044sub WriteAllMappings()
1045{
1046 for my $Type ('In', 'Is')
1047 {
1048 my %Filenames;
1049 my %NameToFile;
1050
1051 my %Exact; ## will become %utf8::Is or %utf8::In
1052 my %Pat; ## will become %utf8::IsPat or %utf8::InPat
1053
1054 ##
1055 ## First write all the files to the $Type/ directory
1056 ##
1057 while (my ($Name, $Table) = each %{$TableInfo{$Type}})
1058 {
1059 ## Need an 8.3 safe filename.
1060 my $filename = $Name;
1061 $filename =~ s/[_\W]+(\w*)/\u$1/g;
1062 substr($filename, 8) = '' if length($filename) > 8;
1063
1064 ##
1065 ## Make sure the filename doesn't conflict with something we
1066 ## might have already written. If we have, say,
1067 ## Greek_Extended1
1068 ## Greek_Extended2
1069 ## they become
1070 ## Greek_Ex
1071 ## Greek_E2
1072 ##
1073 while (my $num = $Filenames{lc $filename}++)
1074 {
1075 $num++; ## so filenames with numbers start with '2', which
1076 ## just looks more natural.
1077 substr($filename, -length($num)) = $num;
1078 }
1079
1080 ##
1081 ## Okay, write the file...
1082 ##
1083 $Exact{$Name} = $filename;
1084 $Table->Write("$Type/$filename.pl");
1085 }
1086
1087 ##
1088 ## Build %Pat
1089 ##
1090 while (my ($Fuzzy, $Real) = each %{$FuzzyNames{$Type}})
1091 {
1092 my $File = $Exact{$Real};
1093
1094 if (not $File) {
1095 die "$0: oops [$Real]";
1096 }
1097
1098 ## The prefix length of 2 is enough spread,
1099 ## and besides, we have 'Yi' as an In category.
1100 my $Prefix = lc(substr($Fuzzy, 0, 2));
1101 my $Regex = NameToRegex($Fuzzy);
1102
1103 if ($Pat{$Prefix}->{$Regex}) {
1104 warn "WHOA, conflict with /$Regex/: $Pat{$Prefix}->{$Regex} vs $File\n";
1105 }
1106
1107 $Pat{$Prefix}->{$Regex} = $File;
1108 }
1109
1110 ##
1111 ## Since the fuzzy method will provide for a way to match $Fuzzy,
1112 ## there's no need for $Fuzzy to be in %Exact as well.
1113 ## This can't be done in the loop above because there could be
1114 ## multiple $Fuzzys pointing at the same $Real, and we don't want
1115 ## the first to delete the exact mapping out from under the second.
1116 ##
1117 for my $Fuzzy (keys %{$FuzzyNames{$Type}})
1118 {
1119 delete $Exact{$Fuzzy};
1120 }
1121
1122
1123
1124 ##
1125 ## Now write In.pl / Is.pl
1126 ##
1127 if (not open OUT, ">$Type.pl") {
1128 die "$0: $Type.pl: $!\n";
1129 }
1130 print OUT $HEADER;
1131 print OUT "##\n";
1132 print OUT "## Data in this file used by ../utf8_heavy.pl\n";
1133 print OUT "##\n";
1134 print OUT "\n";
1135 print OUT "## Mapping from name to filename in ./$Type\n";
1136 print OUT "%utf8::$Type = (\n";
1137 for my $Name (sort keys %Exact)
1138 {
1139 my $File = $Exact{$Name};
1140 printf OUT " %-41s => %s,\n", "'$Name'", "'$File'";
1141 }
1142 print OUT ");\n\n";
1143
1144 print OUT "## Mappings from regex to filename in ./$Type/\n";
1145 print OUT "%utf8::${Type}Pat = (\n";
1146 for my $Prefix (sort keys %Pat)
1147 {
1148 print OUT " '$Prefix' => {\n";
1149 while (my ($Regex, $File) = each %{ $Pat{$Prefix} }) {
1150 print OUT "\t'$Regex' => '$File',\n";
1151 }
1152 print OUT " },\n";
1153 }
1154 print OUT ");\n";
1155
1156 close(OUT);
d2d499f5 1157 }
d2d499f5
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1158}
1159
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1160sub SpecCase_txt()
1161{
1162 #
1163 # Read in the special cases.
1164 #
983ffd37 1165
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1166 my %CaseInfo;
1167
1168 if (not open IN, "SpecCase.txt") {
1169 die "$0: SpecCase.txt: $!\n";
1170 }
1171 while (<IN>) {
1172 next unless /^[0-9A-Fa-f]+;/;
1173 s/\#.*//;
1174 s/\s+$//;
1175
1176 my ($code, $lower, $title, $upper, $condition) = split(/\s*;\s*/);
1177
1178 if ($condition) { # not implemented yet
1179 print "# SKIPPING $_\n" if $Verbose;
1180 next;
1181 }
1182
1183 # Wait until all the special cases have been read since
1184 # they are not listed in numeric order.
1185 my $ix = hex($code);
1186 push @{$CaseInfo{Lower}}, [ $ix, $code, $lower ];
1187 push @{$CaseInfo{Title}}, [ $ix, $code, $title ];
1188 push @{$CaseInfo{Upper}}, [ $ix, $code, $upper ];
1189 }
1190 close IN;
1191
1192 # Now write out the special cases properties in their code point order.
1193 # Prepend them to the To/{Upper,Lower,Title}.pl.
1194
1195 for my $case (qw(Lower Title Upper))
1196 {
1197 my $NormalCase = do "To/$case.pl" || die "$0: $@\n";
1198 if (not open OUT, ">To/$case.pl") {
1199 die "$0: To/$case.txt: $!";
1200 }
1201
1202 print OUT $HEADER, "\n";
1203 print OUT "%utf8::ToSpec$case =\n(\n";
1204
1205 for my $prop (sort { $a->[0] <=> $b->[0] } @{$CaseInfo{$case}}) {
1206 my ($ix, $code, $to) = @$prop;
1207 my $tostr =
1208 join "", map { sprintf "\\x{%s}", $_ } split ' ', $to;
1209 printf OUT qq['%04X' => "$tostr",\n], $ix;
1210 }
1211 print OUT ");\n\n";
1212 print OUT "return <<'END';\n";
1213 print OUT $NormalCase;
1214 print OUT "END\n";
1215 close OUT;
d2d499f5 1216 }
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1217}
1218
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1219#
1220# Read in the case foldings.
1221#
1222# We will do full case folding, C + F + I (see CaseFold.txt).
1223#
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1224sub CaseFold_txt()
1225{
1226 if (not open IN, "CaseFold.txt") {
1227 die "$0: To/Fold.pl: $!\n";
1228 }
c4051cc5 1229
cf25bb62 1230 my $Fold = Table->New();
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1231 my %Fold;
1232
cf25bb62 1233 while (<IN>) {
254ba52a 1234 # Skip status 'S', simple case folding
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1235 next unless /^([0-9A-Fa-f]+)\s*;\s*([CFI])\s*;\s*([0-9A-Fa-f]+(?: [0-9A-Fa-f]+)*)\s*;/;
1236
cf25bb62 1237 my ($code, $status, $fold) = (hex($1), $2, $3);
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1238
1239 if ($status eq 'C') { # Common: one-to-one folding
254ba52a 1240 # No append() since several codes may fold into one.
cf25bb62 1241 $Fold->RawAppendRange($code, $code, $fold);
c4051cc5 1242 } else { # F: full, or I: dotted uppercase I -> dotless lowercase I
cf25bb62 1243 $Fold{$code} = $fold;
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1244 }
1245 }
cf25bb62 1246 close IN;
c4051cc5 1247
cf25bb62 1248 $Fold->Write("To/Fold.pl");
c4051cc5
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1249
1250 #
1251 # Prepend the special foldings to the common foldings.
1252 #
1253
1254 my $CommonFold = do "To/Fold.pl" || die "$0: To/Fold.pl: $!\n";
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1255 if (not open OUT, ">To/Fold.pl") {
1256 die "$0: To/Fold.pl: $!\n";
1257 }
1258 print OUT $HEADER, "\n";
1259 print OUT "%utf8::ToSpecFold =\n(\n";
1260 for my $code (sort { $a <=> $b } keys %Fold) {
1261 my $foldstr =
1262 join "", map { sprintf "\\x{%s}", $_ } split ' ', $Fold{$code};
1263 printf OUT qq['%04X' => "$foldstr",\n], $code;
c4051cc5 1264 }
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1265 print OUT ");\n\n";
1266 print OUT "return <<'END';\n";
1267 print OUT $CommonFold;
1268 print OUT "END\n";
1269 close OUT;
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1270}
1271
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1272## Do it....
1273
1274Unicode_Txt();
1275Make_GC_Aliases();
1276PropList_txt();
1277
1278Scripts_txt();
1279Blocks_txt();
1280
1281LineBrk_Txt();
1282ArabShap_txt();
1283Jamo_txt();
1284SpecCase_txt();
1285
1286WriteAllMappings();
1287
1288CaseFold_txt();
1289
d73e5302
JH
1290# That's all, folks!
1291
cf25bb62 1292__END__