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[perl5.git] / lib / unicore / mktables
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d73e5302 1#!/usr/bin/perl -w
d73e5302 2use strict;
cf25bb62 3use Carp;
5beb625e 4
c65e4d19
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5die "$0: Please run me as ./mktables to avoid unnecessary differences\n"
6 unless $0 eq "./mktables";
7
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8##
9## mktables -- create the runtime Perl Unicode files (lib/unicore/**/*.pl)
10## from the Unicode database files (lib/unicore/*.txt).
11##
d2d499f5 12
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13mkdir("lib", 0755);
14mkdir("To", 0755);
d73e5302 15
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16##
17## Process any args.
18##
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19my $Verbose = 0;
20my $MakeTestScript = 0;
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21
22while (@ARGV)
23{
24 my $arg = shift @ARGV;
25 if ($arg eq '-v') {
26 $Verbose = 1;
27 } elsif ($arg eq '-q') {
28 $Verbose = 0;
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29 } elsif ($arg eq '-maketest') {
30 $MakeTestScript = 1;
d73e5302 31 } else {
5beb625e 32 die "usage: $0 [-v|-q] [-maketest]";
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33 }
34}
35
cf25bb62 36my $LastUnicodeCodepoint = 0x10FFFF; # As of Unicode 3.1.1.
d73e5302 37
cf25bb62 38my $HEADER=<<"EOF";
d73e5302 39# !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
551b6b6f 40# This file is built by $0 from e.g. UnicodeData.txt.
d73e5302 41# Any changes made here will be lost!
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42
43EOF
44
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45
46##
47## Given a filename and a reference to an array of lines,
48## write the lines to the file only if the contents have not changed.
49##
50sub WriteIfChanged($\@)
51{
52 my $file = shift;
53 my $lines = shift;
54
55 my $TextToWrite = join '', @$lines;
56 if (open IN, $file) {
57 local($/) = undef;
58 my $PreviousText = <IN>;
59 close IN;
60 if ($PreviousText eq $TextToWrite) {
61 print "$file unchanged.\n" if $Verbose;
62 return;
63 }
64 }
65 if (not open OUT, ">$file") {
66 die "$0: can't open $file for output: $!\n";
67 }
68 print "$file written.\n" if $Verbose;
69
70 print OUT $TextToWrite;
71 close OUT;
72}
73
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74##
75## The main datastructure (a "Table") represents a set of code points that
76## are part of a particular quality (that are part of \pL, \p{InGreek},
77## etc.). They are kept as ranges of code points (starting and ending of
78## each range).
79##
80## For example, a range ASCII LETTERS would be represented as:
81## [ [ 0x41 => 0x5A, 'UPPER' ],
82## [ 0x61 => 0x7A, 'LOWER, ] ]
83##
84sub RANGE_START() { 0 } ## index into range element
85sub RANGE_END() { 1 } ## index into range element
86sub RANGE_NAME() { 2 } ## index into range element
87
99598c8c 88## Conceptually, these should really be folded into the 'Table' objects
cf25bb62 89my %TableInfo;
99598c8c 90my %TableDesc;
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91my %FuzzyNames;
92my %AliasInfo;
5beb625e 93my %CanonicalToOrig;
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94
95##
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96## Turn something like
97## OLD-ITALIC
5beb625e 98## into
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99## OldItalic
100##
101sub CanonicalName($)
102{
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103 my $orig = shift;
104 my $name = lc $orig;
99598c8c 105 $name =~ s/(?<![a-z])(\w)/\u$1/g;
5beb625e 106 $name =~ s/[-_\s]+//g;
99598c8c 107
5beb625e 108 $CanonicalToOrig{$name} = $orig if not $CanonicalToOrig{$name};
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109 return $name;
110}
111
99598c8c 112##
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113## Associates a property ("Greek", "Lu", "Assigned",...) with a Table.
114##
115## Called like:
99598c8c 116## New_Prop(In => 'Greek', $Table, Desc => 'Greek Block', Fuzzy => 1);
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117##
118## Normally, these parameters are set when the Table is created (when the
119## Table->New constructor is called), but there are times when it needs to
120## be done after-the-fact...)
121##
122sub New_Prop($$$@)
123{
124 my $Type = shift; ## "Is" or "In";
125 my $Name = shift;
126 my $Table = shift;
127
128 ## remaining args are optional key/val
129 my %Args = @_;
130
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131 my $Fuzzy = delete $Args{Fuzzy};
132 my $Desc = delete $Args{Desc}; # description
133
5beb625e 134 $Name = CanonicalName($Name) if $Fuzzy;
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135
136 ## sanity check a few args
137 if (%Args or ($Type ne 'Is' and $Type ne 'In') or not ref $Table) {
138 confess "$0: bad args to New_Prop"
139 }
140
141 if (not $TableInfo{$Type}->{$Name})
142 {
143 $TableInfo{$Type}->{$Name} = $Table;
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144 $TableDesc{$Type}->{$Name} = $Desc;
145 if ($Fuzzy) {
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146 $FuzzyNames{$Type}->{$Name} = $Name;
147 }
148 }
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149}
150
d73e5302 151
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152##
153## Creates a new Table object.
154##
155## Args are key/value pairs:
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156## In => Name -- Name of "In" property to be associated with
157## Is => Name -- Name of "Is" property to be associated with
158## Fuzzy => Boolean -- True if name can be accessed "fuzzily"
159## Desc => String -- Description of the property
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160##
161## No args are required.
162##
163sub Table::New
164{
165 my $class = shift;
166 my %Args = @_;
167
168 my $Table = bless [], $class;
169
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170 my $Fuzzy = delete $Args{Fuzzy};
171 my $Desc = delete $Args{Desc};
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172
173 for my $Type ('Is', 'In')
174 {
175 if (my $Name = delete $Args{$Type}) {
99598c8c 176 New_Prop($Type => $Name, $Table, Desc => $Desc, Fuzzy => $Fuzzy);
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177 }
178 }
179
180 ## shouldn't have any left over
181 if (%Args) {
182 confess "$0: bad args to Table->New"
183 }
184
185 return $Table;
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186}
187
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188##
189## Returns true if the Table has no code points
190##
191sub Table::IsEmpty
192{
193 my $Table = shift; #self
194 return not @$Table;
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195}
196
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197##
198## Returns true if the Table has code points
199##
200sub Table::NotEmpty
201{
202 my $Table = shift; #self
203 return @$Table;
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204}
205
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206##
207## Returns the maximum code point currently in the table.
208##
209sub Table::Max
210{
211 my $Table = shift; #self
212 confess "oops" if $Table->IsEmpty; ## must have code points to have a max
213 return $Table->[-1]->[RANGE_END];
214}
d73e5302 215
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216##
217## Replaces the codepoints in the Table with those in the Table given
218## as an arg. (NOTE: this is not a "deep copy").
219##
220sub Table::Replace($$)
221{
222 my $Table = shift; #self
223 my $New = shift;
d73e5302 224
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225 @$Table = @$New;
226}
71d929cb 227
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228##
229## Given a new code point, make the last range of the Table extend to
230## include the new (and all intervening) code points.
231##
232sub Table::Extend
233{
234 my $Table = shift; #self
235 my $codepoint = shift;
d73e5302 236
cf25bb62 237 my $PrevMax = $Table->Max;
e904f995 238
cf25bb62 239 confess "oops ($codepoint <= $PrevMax)" if $codepoint <= $PrevMax;
e904f995 240
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241 $Table->[-1]->[RANGE_END] = $codepoint;
242}
c3a8a2b8 243
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244##
245## Given a code point range start and end (and optional name), blindly
246## append them to the list of ranges for the Table.
247##
248## NOTE: Code points must be added in strictly ascending numeric order.
249##
250sub Table::RawAppendRange
251{
252 my $Table = shift; #self
253 my $start = shift;
254 my $end = shift;
255 my $name = shift;
256 $name = "" if not defined $name; ## warning: $name can be "0"
257
258 push @$Table, [ $start, # RANGE_START
259 $end, # RANGE_END
260 $name ]; # RANGE_NAME
261}
c3a8a2b8 262
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263##
264## Given a code point (and optional name), add it to the Table.
265##
266## NOTE: Code points must be added in strictly ascending numeric order.
267##
268sub Table::Append
269{
270 my $Table = shift; #self
271 my $codepoint = shift;
272 my $name = shift;
273 $name = "" if not defined $name; ## warning: $name can be "0"
274
275 ##
276 ## If we've already got a range working, and this code point is the next
277 ## one in line, and if the name is the same, just extend the current range.
278 ##
279 if ($Table->NotEmpty
280 and
281 $Table->Max == $codepoint - 1
282 and
283 $Table->[-1]->[RANGE_NAME] eq $name)
284 {
285 $Table->Extend($codepoint);
c3a8a2b8 286 }
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287 else
288 {
289 $Table->RawAppendRange($codepoint, $codepoint, $name);
d73e5302 290 }
cf25bb62 291}
d73e5302 292
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293##
294## Given a code point range starting value and ending value (and name),
295## Add the range to teh Table.
296##
297## NOTE: Code points must be added in strictly ascending numeric order.
298##
299sub Table::AppendRange
300{
301 my $Table = shift; #self
302 my $start = shift;
303 my $end = shift;
304 my $name = shift;
305 $name = "" if not defined $name; ## warning: $name can be "0"
306
307 $Table->Append($start, $name);
308 $Table->Extend($end) if $end > $start;
309}
d73e5302 310
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311##
312## Return a new Table that represents all code points not in the Table.
313##
314sub Table::Invert
315{
316 my $Table = shift; #self
317
318 my $New = Table->New();
319 my $max = -1;
320 for my $range (@$Table)
321 {
322 my $start = $range->[RANGE_START];
323 my $end = $range->[RANGE_END];
324 if ($start-1 >= $max+1) {
325 $New->AppendRange($max+1, $start-1, "");
326 }
327 $max = $end;
d73e5302 328 }
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329 if ($max+1 < $LastUnicodeCodepoint) {
330 $New->AppendRange($max+1, $LastUnicodeCodepoint);
d73e5302 331 }
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332 return $New;
333}
d73e5302 334
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335##
336## Merges any number of other tables with $self, returning the new table.
337## (existing tables are not modified)
338##
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339##
340## Args may be Tables, or individual code points (as integers).
341##
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342## Can be called as either a constructor or a method.
343##
344sub Table::Merge
345{
346 shift(@_) if not ref $_[0]; ## if called as a constructor, lose the class
347 my @Tables = @_;
348
349 ## Accumulate all records from all tables
350 my @Records;
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351 for my $Arg (@Tables)
352 {
353 if (ref $Arg) {
354 ## arg is a table -- get its ranges
355 push @Records, @$Arg;
356 } else {
357 ## arg is a codepoint, make a range
358 push @Records, [ $Arg, $Arg ]
359 }
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360 }
361
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362 ## sort by range start, with longer ranges coming first.
363 my ($first, @Rest) = sort {
364 ($a->[RANGE_START] <=> $b->[RANGE_START])
365 or
366 ($b->[RANGE_END] <=> $b->[RANGE_END])
367 } @Records;
368
369 my $New = Table->New();
370
371 ## Ensuring the first range is there makes the subsequent loop easier
372 $New->AppendRange($first->[RANGE_START],
373 $first->[RANGE_END]);
374
375 ## Fold in records so long as they add new information.
376 for my $set (@Rest)
377 {
378 my $start = $set->[RANGE_START];
379 my $end = $set->[RANGE_END];
380 if ($start > $New->Max) {
381 $New->AppendRange($start, $end);
382 } elsif ($end > $New->Max) {
383 $New->Extend($end);
384 }
d73e5302 385 }
d73e5302 386
cf25bb62 387 return $New;
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388}
389
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390##
391## Given a filename, write a representation of the Table to a file.
99598c8c 392## May have an optional comment as a 2nd arg.
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393##
394sub Table::Write
395{
99598c8c 396 my $Table = shift; #self
cf25bb62 397 my $filename = shift;
99598c8c 398 my $comment = shift;
d73e5302 399
5beb625e 400 my @OUT = $HEADER;
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401 if (defined $comment) {
402 $comment =~ s/\s+\Z//;
403 $comment =~ s/^/# /gm;
5beb625e 404 push @OUT, "#\n$comment\n#\n";
99598c8c 405 }
5beb625e 406 push @OUT, "return <<'END';\n";
d73e5302 407
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408 for my $set (@$Table)
409 {
410 my $start = $set->[RANGE_START];
411 my $end = $set->[RANGE_END];
412 my $name = $set->[RANGE_NAME];
d73e5302 413
cf25bb62 414 if ($start == $end) {
5beb625e 415 push @OUT, sprintf "%04X\t\t%s\n", $start, $name;
cf25bb62 416 } else {
5beb625e 417 push @OUT, sprintf "%04X\t%04X\t%s\n", $start, $end, $name;
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418 }
419 }
d73e5302 420
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421 push @OUT, "END\n";
422
423 WriteIfChanged($filename, @OUT);
424}
425
426## This used only for making the test script.
427## helper function
428sub IsUsable($)
429{
430 my $code = shift;
431 return 0 if $code <= 0x0000; ## don't use null
432 return 0 if $code >= $LastUnicodeCodepoint; ## keep in range
433 return 0 if ($code >= 0xD800 and $code <= 0xDFFF); ## no surrogates
434 return 0 if ($code >= 0xFDD0 and $code <= 0xFDEF); ## utf8.c says no good
435 return 0 if (($code & 0xFFFF) == 0xFFFE); ## utf8.c says no good
436 return 0 if (($code & 0xFFFF) == 0xFFFF); ## utf8.c says no good
437 return 1;
438}
439
440## Return a code point that's part of the table.
441## Returns nothing if the table is empty (or covers only surrogates).
442## This used only for making the test script.
443sub Table::ValidCode
444{
445 my $Table = shift; #self
446 for my $set (@$Table) {
447 return $set->[RANGE_END] if IsUsable($set->[RANGE_END]);
448 }
449 return ();
450}
451
452## Return a code point that's not part of the table
453## Returns nothing if the table covers all code points.
454## This used only for making the test script.
455sub Table::InvalidCode
456{
457 my $Table = shift; #self
458
459 return 0x1234 if $Table->IsEmpty();
460
461 for my $set (@$Table)
462 {
463 if (IsUsable($set->[RANGE_END] + 1))
464 {
465 return $set->[RANGE_END] + 1;
466 }
467
468 if (IsUsable($set->[RANGE_START] - 1))
469 {
470 return $set->[RANGE_START] - 1;
471 }
472 }
473 return ();
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474}
475
476###########################################################################
477###########################################################################
478###########################################################################
479
480
481##
482## Called like:
99598c8c 483## New_Alias(Is => 'All', SameAs => 'Any', Fuzzy => 1);
cf25bb62 484##
99598c8c 485## The args must be in that order, although the Fuzzy pair may be omitted.
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486##
487## This creates 'IsAll' as an alias for 'IsAny'
488##
489sub New_Alias($$$@)
490{
491 my $Type = shift; ## "Is" or "In"
492 my $Alias = shift;
99598c8c 493 my $SameAs = shift; # expecting "SameAs" -- just ignored
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494 my $Name = shift;
495
496 ## remaining args are optional key/val
497 my %Args = @_;
498
99598c8c 499 my $Fuzzy = delete $Args{Fuzzy};
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500
501 ## sanity check a few args
502 if (%Args or ($Type ne 'Is' and $Type ne 'In') or $SameAs ne 'SameAs') {
503 confess "$0: bad args to New_Alias"
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504 }
505
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506 $Alias = CanonicalName($Alias) if $Fuzzy;
507
508 if (not $TableInfo{$Type}->{$Name})
509 {
510 my $CName = CanonicalName($Name);
511 if ($TableInfo{$Type}->{$CName}) {
512 confess "$0: Use canonical form '$CName' instead of '$Name' for alias.";
513 } else {
514 confess "$0: don't have orignial $Type => $Name to make alias";
515 }
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516 }
517 if ($TableInfo{$Alias}) {
518 confess "$0: already have original $Type => $Alias; can't make alias";
d73e5302 519 }
cf25bb62 520 $AliasInfo{$Type}->{$Name} = $Alias;
99598c8c 521 if ($Fuzzy) {
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522 $FuzzyNames{$Type}->{$Alias} = $Name;
523 }
524
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525}
526
d73e5302 527
cf25bb62 528## All assigned code points
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529my $Assigned = Table->New(Is => 'Assigned',
530 Desc => "All assigned code points",
5beb625e 531 Fuzzy => 0);
d2d499f5 532
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533my $Name = Table->New(); ## all characters, individually by name
534my $General = Table->New(); ## all characters, grouped by category
535my %General;
536my %Cat;
d73e5302 537
cf25bb62 538##
551b6b6f 539## Process UnicodeData.txt (Categories, etc.)
cf25bb62 540##
44da8cae 541sub UnicodeData_Txt()
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542{
543 my $Bidi = Table->New();
544 my $Deco = Table->New();
545 my $Comb = Table->New();
546 my $Number = Table->New();
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547 my $Mirrored = Table->New(Is => 'Mirrored',
548 Desc => "Mirrored in bidirectional text",
549 Fuzzy => 0);
d73e5302 550
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551 my %DC;
552 my %Bidi;
553 my %Deco;
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554 $Deco{Canon} = Table->New(Is => 'Canon',
555 Desc => 'Decomposes to multiple characters',
556 Fuzzy => 0);
557 $Deco{Compat} = Table->New(Is => 'Compat',
558 Desc => 'Compatible with a more-basic character',
559 Fuzzy => 0);
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560
561 ## Initialize Perl-generated categories
551b6b6f 562 ## (Categories from UnicodeData.txt are auto-initialized in gencat)
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563 $Cat{Alnum} =
564 Table->New(Is => 'Alnum', Desc => "[[:Alnum:]]", Fuzzy => 0);
565 $Cat{Alpha} =
566 Table->New(Is => 'Alpha', Desc => "[[:Alpha:]]", Fuzzy => 0);
567 $Cat{ASCII} =
568 Table->New(Is => 'ASCII', Desc => "[[:ASCII:]]", Fuzzy => 0);
569 $Cat{Blank} =
570 Table->New(Is => 'Blank', Desc => "[[:Blank:]]", Fuzzy => 0);
571 $Cat{Cntrl} =
572 Table->New(Is => 'Cntrl', Desc => "[[:Cntrl:]]", Fuzzy => 0);
573 $Cat{Digit} =
574 Table->New(Is => 'Digit', Desc => "[[:Digit:]]", Fuzzy => 0);
575 $Cat{Graph} =
576 Table->New(Is => 'Graph', Desc => "[[:Graph:]]", Fuzzy => 0);
577 $Cat{Lower} =
578 Table->New(Is => 'Lower', Desc => "[[:Lower:]]", Fuzzy => 0);
579 $Cat{Print} =
580 Table->New(Is => 'Print', Desc => "[[:Print:]]", Fuzzy => 0);
581 $Cat{Punct} =
582 Table->New(Is => 'Punct', Desc => "[[:Punct:]]", Fuzzy => 0);
583 $Cat{Space} =
584 Table->New(Is => 'Space', Desc => "[[:Space:]]", Fuzzy => 0);
585 $Cat{Title} =
586 Table->New(Is => 'Title', Desc => "[[:Title:]]", Fuzzy => 0);
587 $Cat{Upper} =
588 Table->New(Is => 'Upper', Desc => "[[:Upper:]]", Fuzzy => 0);
589 $Cat{XDigit} =
590 Table->New(Is => 'XDigit', Desc => "[[:XDigit:]]", Fuzzy => 0);
591 $Cat{Word} =
592 Table->New(Is => 'Word', Desc => "[[:Word:]]", Fuzzy => 0);
593 $Cat{SpacePerl} =
594 Table->New(Is => 'SpacePerl', Desc => '\s', Fuzzy => 0);
d73e5302 595
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596 my %To;
597 $To{Upper} = Table->New();
598 $To{Lower} = Table->New();
599 $To{Title} = Table->New();
600 $To{Digit} = Table->New();
601
602 sub gencat($$$$)
603 {
604 my ($name, ## Name ("LATIN CAPITAL LETTER A")
605 $cat, ## Category ("Lu", "Zp", "Nd", etc.)
606 $code, ## Code point (as an integer)
607 $op) = @_;
608
609 my $MajorCat = substr($cat, 0, 1); ## L, M, Z, S, etc
610
611 $Assigned->$op($code);
612 $Name->$op($code, $name);
613 $General->$op($code, $cat);
614
615 ## add to the sub category (e.g. "Lu", "Nd", "Cf", ..)
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616 $Cat{$cat} ||= Table->New(Is => $cat,
617 Desc => "General Category '$cat'",
618 Fuzzy => 0);
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619 $Cat{$cat}->$op($code);
620
621 ## add to the major category (e.g. "L", "N", "C", ...)
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622 $Cat{$MajorCat} ||= Table->New(Is => $MajorCat,
623 Desc => "Major Category '$MajorCat'",
624 Fuzzy => 0);
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625 $Cat{$MajorCat}->$op($code);
626
627 ($General{$name} ||= Table->New)->$op($code, $name);
628
629 # 005F: SPACING UNDERSCORE
d75d706f 630 $Cat{Word}->$op($code) if $cat =~ /^[LMN]|Pc/;
c65e4d19 631 $Cat{Alnum}->$op($code) if $cat =~ /^[LM]|Nd/;
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632 $Cat{Alpha}->$op($code) if $cat =~ /^[LM]/;
633
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634 my $isspace =
635 ($cat =~ /Zs|Zl|Zp/ &&
636 $code != 0x200B) # 200B is ZWSP which is for line break control
637 # and therefore it is not part of "space" even while it is "Zs".
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638 || $code == 0x0009 # 0009: HORIZONTAL TAB
639 || $code == 0x000A # 000A: LINE FEED
640 || $code == 0x000B # 000B: VERTICAL TAB
641 || $code == 0x000C # 000C: FORM FEED
e6f58734 642 || $code == 0x000D # 000D: CARRIAGE RETURN
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643 || $code == 0x0085 # 0085: NEL
644
645 ;
cf25bb62 646
d75d706f 647 $Cat{Space}->$op($code) if $isspace;
cf25bb62 648
d75d706f
JH
649 $Cat{SpacePerl}->$op($code) if $isspace
650 && $code != 0x000B; # Backward compat.
cf25bb62 651
d75d706f
JH
652 $Cat{Blank}->$op($code) if $isspace
653 && !($code == 0x000A ||
654 $code == 0x000B ||
655 $code == 0x000C ||
656 $code == 0x000D ||
657 $code == 0x0085 ||
658 $cat =~ /^Z[lp]/);
cf25bb62
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659
660 $Cat{Digit}->$op($code) if $cat eq "Nd";
661 $Cat{Upper}->$op($code) if $cat eq "Lu";
662 $Cat{Lower}->$op($code) if $cat eq "Ll";
663 $Cat{Title}->$op($code) if $cat eq "Lt";
664 $Cat{ASCII}->$op($code) if $code <= 0x007F;
665 $Cat{Cntrl}->$op($code) if $cat =~ /^C/;
d75d706f
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666 my $isgraph = !$isspace && $cat !~ /Cc|Cs|Cn/;
667 $Cat{Graph}->$op($code) if $isgraph;
668 $Cat{Print}->$op($code) if $isgraph || $isspace;
cf25bb62
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669 $Cat{Punct}->$op($code) if $cat =~ /^P/;
670
671 $Cat{XDigit}->$op($code) if ($code >= 0x30 && $code <= 0x39) ## 0..9
672 || ($code >= 0x41 && $code <= 0x46) ## A..F
673 || ($code >= 0x61 && $code <= 0x66); ## a..f
674 }
d73e5302 675
cf25bb62 676 ## open ane read file.....
551b6b6f
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677 if (not open IN, "UnicodeData.txt") {
678 die "$0: UnicodeData.txt: $!\n";
cf25bb62 679 }
d73e5302 680
a3a8c5f0
JH
681 ##
682 ## For building \p{_CombAbove} and \p{_CanonDCIJ}
683 ##
684 my %_Above_HexCodes; ## Hexcodes for chars with $comb == 230 ("ABOVE")
685
686 my %CodeToDeco; ## Maps code to decomp. list for chars with first
687 ## decomp. char an "i" or "j" (for \p{_CanonDCIJ})
688
689 ## This is filled in as we go....
99598c8c
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690 my $CombAbove = Table->New(Is => '_CombAbove',
691 Desc => '(for internal casefolding use)',
692 Fuzzy => 0);
a3a8c5f0 693
cf25bb62
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694 while (<IN>)
695 {
696 next unless /^[0-9A-Fa-f]+;/;
697 s/\s+$//;
698
699 my ($hexcode, ## code point in hex (e.g. "0041")
700 $name, ## character name (e.g. "LATIN CAPITAL LETTER A")
701 $cat, ## category (e.g. "Lu")
702 $comb, ## Canonical combining class (e.t. "230")
703 $bidi, ## directional category (e.g. "L")
704 $deco, ## decomposition mapping
705 $decimal, ## decimal digit value
706 $digit, ## digit value
707 $number, ## numeric value
708 $mirrored, ## mirrored
709 $unicode10, ## name in Unicode 1.0
710 $comment, ## comment field
711 $upper, ## uppercase mapping
712 $lower, ## lowercase mapping
713 $title, ## titlecase mapping
714 ) = split(/\s*;\s*/);
715
2eb5892f
JH
716 # Note that in Unicode 3.2 there will be names like
717 # LINE FEED (LF), which probably means that \N{} needs
718 # to cope also with LINE FEED and LF.
719 $name = $unicode10 if $name eq '<control>' && $unicode10 ne '';
720
cf25bb62
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721 my $code = hex($hexcode);
722
a3a8c5f0
JH
723 if ($comb and $comb == 230) {
724 $CombAbove->Append($code);
725 $_Above_HexCodes{$hexcode} = 1;
726 }
727
728 ## Used in building \p{_CanonDCIJ}
729 if ($deco and $deco =~ m/^006[9A]\b/) {
730 $CodeToDeco{$code} = $deco;
731 }
732
cf25bb62
JH
733 ##
734 ## There are a few pairs of lines like:
735 ## AC00;<Hangul Syllable, First>;Lo;0;L;;;;;N;;;;;
736 ## D7A3;<Hangul Syllable, Last>;Lo;0;L;;;;;N;;;;;
737 ## that define ranges.
738 ##
739 if ($name =~ /^<(.+), (First|Last)>$/)
740 {
741 $name = $1;
742 gencat($name, $cat, $code, $2 eq 'First' ? 'Append' : 'Extend');
99598c8c 743 #New_Prop(In => $name, $General{$name}, Fuzzy => 1);
cf25bb62
JH
744 }
745 else
746 {
747 ## normal (single-character) lines
748 gencat($name, $cat, $code, 'Append');
749
750 # No Append() here since since several codes may map into one.
751 $To{Upper}->RawAppendRange($code, $code, $upper) if $upper;
752 $To{Lower}->RawAppendRange($code, $code, $lower) if $lower;
753 $To{Title}->RawAppendRange($code, $code, $title) if $title;
754 $To{Digit}->Append($code, $decimal) if length $decimal;
755
756 $Bidi->Append($code, $bidi);
757 $Comb->Append($code, $comb) if $comb;
758 $Number->Append($code, $number) if length $number;
759
760 $Mirrored->Append($code) if $mirrored eq "Y";
761
99598c8c
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762 $Bidi{$bidi} ||= Table->New(Is => "Bidi$bidi",
763 Desc => "Bi-directional category '$bidi'",
764 Fuzzy => 0);
cf25bb62
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765 $Bidi{$bidi}->Append($code);
766
767 if ($deco)
768 {
769 $Deco->Append($code, $deco);
770 if ($deco =~/^<(\w+)>/)
771 {
772 $Deco{Compat}->Append($code);
773
99598c8c
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774 $DC{$1} ||= Table->New(Is => "DC$1",
775 Desc => "Compatible with '$1'",
776 Fuzzy => 0);
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777 $DC{$1}->Append($code);
778 }
779 else
780 {
781 $Deco{Canon}->Append($code);
782 }
783 }
784 }
785 }
786 close IN;
d2d499f5 787
cf25bb62
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788 ##
789 ## Tidy up a few special cases....
790 ##
d73e5302 791
cf25bb62 792 $Cat{Cn} = $Assigned->Invert; ## Cn is everything that doesn't exist
99598c8c
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793 New_Prop(Is => 'Cn',
794 $Cat{Cn},
795 Desc => "General Category 'Cn' [not functional in Perl]",
796 Fuzzy => 0);
d73e5302 797
cf25bb62 798 ## Unassigned is the same as 'Cn'
5beb625e 799 New_Alias(Is => 'Unassigned', SameAs => 'Cn', Fuzzy => 0);
d73e5302 800
cf25bb62 801 $Cat{C}->Replace($Cat{C}->Merge($Cat{Cn})); ## Now merge in Cn into C
d73e5302 802
d73e5302 803
cf25bb62
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804 # L& is Ll, Lu, and Lt.
805 New_Prop(Is => 'L&',
806 Table->Merge(@Cat{qw[Ll Lu Lt]}),
99598c8c
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807 Desc => '[\p{Ll}\p{Lu}\p{Lt}]',
808 Fuzzy => 0);
d73e5302 809
cf25bb62 810 ## Any and All are all code points.
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811 my $Any = Table->New(Is => 'Any',
812 Desc => sprintf("[\\x{0000}-\\x{%X}]",
813 $LastUnicodeCodepoint),
5beb625e 814 Fuzzy => 0);
cf25bb62 815 $Any->RawAppendRange(0, $LastUnicodeCodepoint);
d73e5302 816
5beb625e 817 New_Alias(Is => 'All', SameAs => 'Any', Fuzzy => 0);
d73e5302 818
a3a8c5f0
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819 ##
820 ## Build special properties for Perl's internal case-folding needs:
821 ## \p{_CaseIgnorable}
822 ## \p{_CanonDCIJ}
823 ## \p{_CombAbove}
824 ## _CombAbove was built above. Others are built here....
825 ##
826
827 ## \p{_CaseIgnorable} is [\p{Mn}\0x00AD\x2010]
828 New_Prop(Is => '_CaseIgnorable',
829 Table->Merge($Cat{Mn},
830 0x00AD, #SOFT HYPHEN
831 0x2010), #HYPHEN
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832 Desc => '(for internal casefolding use)',
833 Fuzzy => 0);
a3a8c5f0
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834
835
836 ## \p{_CanonDCIJ} is fairly complex...
99598c8c
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837 my $CanonCDIJ = Table->New(Is => '_CanonDCIJ',
838 Desc => '(for internal casefolding use)',
839 Fuzzy => 0);
a3a8c5f0
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840 ## It contains the ASCII 'i' and 'j'....
841 $CanonCDIJ->Append(0x0069); # ASCII ord("i")
842 $CanonCDIJ->Append(0x006A); # ASCII ord("j")
843 ## ...and any character with a decomposition that starts with either of
844 ## those code points, but only if the decomposition does not have any
845 ## combining character with the "ABOVE" canonical combining class.
846 for my $code (sort { $a <=> $b} keys %CodeToDeco)
847 {
848 ## Need to ensure that all decomposition characters do not have
849 ## a %HexCodeToComb in %AboveCombClasses.
850 my $want = 1;
851 for my $deco_hexcode (split / /, $CodeToDeco{$code})
852 {
853 if (exists $_Above_HexCodes{$deco_hexcode}) {
854 ## one of the decmposition chars has an ABOVE combination
855 ## class, so we're not interested in this one
856 $want = 0;
857 last;
858 }
859 }
860 if ($want) {
861 $CanonCDIJ->Append($code);
862 }
863 }
864
865
d73e5302 866
cf25bb62
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867 ##
868 ## Now dump the files.
869 ##
870 $Name->Write("Name.pl");
871 $Bidi->Write("Bidirectional.pl");
872 $Comb->Write("CombiningClass.pl");
873 $Deco->Write("Decomposition.pl");
874 $Number->Write("Number.pl");
875 $General->Write("Category.pl");
876
877 for my $to (sort keys %To) {
878 $To{$to}->Write("To/$to.pl");
d73e5302
JH
879 }
880}
881
cf25bb62 882##
551b6b6f 883## Process LineBreak.txt
cf25bb62 884##
551b6b6f 885sub LineBreak_Txt()
cf25bb62 886{
551b6b6f
JH
887 if (not open IN, "LineBreak.txt") {
888 die "$0: LineBreak.txt: $!\n";
cf25bb62 889 }
d73e5302 890
cf25bb62
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891 my $Lbrk = Table->New();
892 my %Lbrk;
d73e5302 893
cf25bb62
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894 while (<IN>)
895 {
896 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(\w+)/;
d73e5302 897
cf25bb62 898 my ($first, $last, $lbrk) = (hex($1), hex($2||""), $3);
d73e5302 899
cf25bb62 900 $Lbrk->Append($first, $lbrk);
d73e5302 901
99598c8c
JH
902 $Lbrk{$lbrk} ||= Table->New(Is => "Lbrk$lbrk",
903 Desc => "Linebreak category '$lbrk'",
904 Fuzzy => 0);
cf25bb62 905 $Lbrk{$lbrk}->Append($first);
d73e5302 906
cf25bb62
JH
907 if ($last) {
908 $Lbrk->Extend($last);
909 $Lbrk{$lbrk}->Extend($last);
d73e5302
JH
910 }
911 }
cf25bb62 912 close IN;
d73e5302 913
cf25bb62
JH
914 $Lbrk->Write("Lbrk.pl");
915}
d73e5302 916
cf25bb62 917##
551b6b6f 918## Process ArabicShaping.txt.
cf25bb62 919##
551b6b6f 920sub ArabicShaping_txt()
cf25bb62 921{
551b6b6f
JH
922 if (not open IN, "ArabicShaping.txt") {
923 die "$0: ArabicShaping.txt: $!\n";
cf25bb62 924 }
d73e5302 925
cf25bb62
JH
926 my $ArabLink = Table->New();
927 my $ArabLinkGroup = Table->New();
d73e5302 928
cf25bb62
JH
929 while (<IN>)
930 {
931 next unless /^[0-9A-Fa-f]+;/;
932 s/\s+$//;
d73e5302 933
cf25bb62
JH
934 my ($hexcode, $name, $link, $linkgroup) = split(/\s*;\s*/);
935 my $code = hex($hexcode);
936 $ArabLink->Append($code, $link);
937 $ArabLinkGroup->Append($code, $linkgroup);
d73e5302 938 }
cf25bb62
JH
939 close IN;
940
941 $ArabLink->Write("ArabLink.pl");
942 $ArabLinkGroup->Write("ArabLnkGrp.pl");
d73e5302
JH
943}
944
cf25bb62
JH
945##
946## Process Jamo.txt.
947##
948sub Jamo_txt()
949{
950 if (not open IN, "Jamo.txt") {
951 die "$0: Jamo.txt: $!\n";
952 }
953 my $Short = Table->New();
d73e5302 954
cf25bb62
JH
955 while (<IN>)
956 {
957 next unless /^([0-9A-Fa-f]+)\s*;\s*(\w*)/;
958 my ($code, $short) = (hex($1), $2);
d73e5302 959
cf25bb62 960 $Short->Append($code, $short);
d73e5302 961 }
cf25bb62
JH
962 close IN;
963 $Short->Write("JamoShort.pl");
d73e5302
JH
964}
965
cf25bb62
JH
966##
967## Process Scripts.txt.
968##
969sub Scripts_txt()
970{
971 my @ScriptInfo;
d73e5302 972
cf25bb62
JH
973 if (not open(IN, "Scripts.txt")) {
974 die "$0: Scripts.txt: $!\n";
975 }
976 while (<IN>) {
977 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
d73e5302 978
cf25bb62
JH
979 # Wait until all the scripts have been read since
980 # they are not listed in numeric order.
981 push @ScriptInfo, [ hex($1), hex($2||""), $3 ];
982 }
983 close IN;
d73e5302 984
cf25bb62 985 # Now append the scripts properties in their code point order.
d73e5302 986
cf25bb62
JH
987 my %Script;
988 my $Scripts = Table->New();
d73e5302 989
cf25bb62
JH
990 for my $script (sort { $a->[0] <=> $b->[0] } @ScriptInfo)
991 {
992 my ($first, $last, $name) = @$script;
993 $Scripts->Append($first, $name);
d73e5302 994
99598c8c
JH
995 $Script{$name} ||= Table->New(Is => $name,
996 Desc => "Script '$name'",
997 Fuzzy => 1);
cf25bb62 998 $Script{$name}->Append($first, $name);
d73e5302 999
cf25bb62
JH
1000 if ($last) {
1001 $Scripts->Extend($last);
1002 $Script{$name}->Extend($last);
1003 }
1004 }
d73e5302 1005
cf25bb62 1006 $Scripts->Write("Scripts.pl");
d73e5302 1007
cf25bb62
JH
1008 ## Common is everything not explicitly assigned to a Script
1009 ##
1010 ## ***shouldn't this be intersected with \p{Assigned}? ******
1011 ##
99598c8c
JH
1012 New_Prop(Is => 'Common',
1013 $Scripts->Invert,
1014 Desc => 'Pseudo-Script of codepoints not in other Unicode scripts',
1015 Fuzzy => 1);
cf25bb62 1016}
d73e5302 1017
cf25bb62
JH
1018##
1019## Given a name like "Close Punctuation", return a regex (that when applied
1020## with /i) matches any valid form of that name (e.g. "ClosePunctuation",
1021## "Close-Punctuation", etc.)
1022##
1023## Accept any space, dash, or underbar where in the official name there is
1024## space or a dash (or underbar, but there never is).
1025##
1026##
1027sub NameToRegex($)
1028{
1029 my $Name = shift;
1030 $Name =~ s/[- _]/(?:[-_]|\\s+)?/g;
1031 return $Name;
1032}
d73e5302 1033
cf25bb62
JH
1034##
1035## Process Blocks.txt.
1036##
1037sub Blocks_txt()
1038{
1039 my $Blocks = Table->New();
1040 my %Blocks;
d73e5302 1041
cf25bb62
JH
1042 if (not open IN, "Blocks.txt") {
1043 die "$0: Blocks.txt: $!\n";
1044 }
d73e5302 1045
cf25bb62
JH
1046 while (<IN>)
1047 {
1048 #next if not /Private Use$/;
1049 next if not /^([0-9A-Fa-f]+)\.\.([0-9A-Fa-f]+)\s*;\s*(.+?)\s*$/;
d73e5302 1050
cf25bb62 1051 my ($first, $last, $name) = (hex($1), hex($2), $3);
d73e5302 1052
cf25bb62 1053 $Blocks->Append($first, $name);
76ccdbe2 1054
99598c8c
JH
1055 $Blocks{$name} ||= Table->New(In => $name,
1056 Desc => "Block '$name'",
1057 Fuzzy => 1);
cf25bb62 1058 $Blocks{$name}->Append($first, $name);
76ccdbe2 1059
cf25bb62
JH
1060 if ($last and $last != $first) {
1061 $Blocks->Extend($last);
1062 $Blocks{$name}->Extend($last);
d73e5302 1063 }
d73e5302 1064 }
cf25bb62
JH
1065 close IN;
1066
1067 $Blocks->Write("Blocks.pl");
d73e5302
JH
1068}
1069
cf25bb62
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1070##
1071## Read in the PropList.txt. It contains extended properties not
551b6b6f 1072## listed in the UnicodeData.txt, such as 'Other_Alphabetic':
cf25bb62
JH
1073## alphabetic but not of the general category L; many modifiers
1074## belong to this extended property category: while they are not
1075## alphabets, they are alphabetic in nature.
1076##
1077sub PropList_txt()
1078{
1079 my @PropInfo;
1080
1081 if (not open IN, "PropList.txt") {
1082 die "$0: PropList.txt: $!\n";
1083 }
d73e5302 1084
cf25bb62
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1085 while (<IN>)
1086 {
1087 next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
d73e5302 1088
cf25bb62
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1089 # Wait until all the extended properties have been read since
1090 # they are not listed in numeric order.
1091 push @PropInfo, [ hex($1), hex($2||""), $3 ];
1092 }
1093 close IN;
71d929cb 1094
cf25bb62
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1095 # Now append the extended properties in their code point order.
1096 my $Props = Table->New();
1097 my %Prop;
71d929cb 1098
cf25bb62
JH
1099 for my $prop (sort { $a->[0] <=> $b->[0] } @PropInfo)
1100 {
1101 my ($first, $last, $name) = @$prop;
1102 $Props->Append($first, $name);
71d929cb 1103
99598c8c
JH
1104 $Prop{$name} ||= Table->New(Is => $name,
1105 Desc => "Extended property '$name'",
1106 Fuzzy => 1);
cf25bb62 1107 $Prop{$name}->Append($first, $name);
71d929cb 1108
cf25bb62
JH
1109 if ($last) {
1110 $Props->Extend($last);
1111 $Prop{$name}->Extend($last);
1112 }
71d929cb 1113 }
d73e5302 1114
cf25bb62 1115 # Alphabetic is L and Other_Alphabetic.
99598c8c 1116 New_Prop(Is => 'Alphabetic',
cf25bb62 1117 Table->Merge($Cat{L}, $Prop{Other_Alphabetic}),
99598c8c
JH
1118 Desc => '[\p{L}\p{OtherAlphabetic}]', # use canonical names here
1119 Fuzzy => 1);
cf25bb62
JH
1120
1121 # Lowercase is Ll and Other_Lowercase.
99598c8c 1122 New_Prop(Is => 'Lowercase',
cf25bb62 1123 Table->Merge($Cat{Ll}, $Prop{Other_Lowercase}),
99598c8c
JH
1124 Desc => '[\p{Ll}\p{OtherLowercase}]', # use canonical names here
1125 Fuzzy => 1);
cf25bb62
JH
1126
1127 # Uppercase is Lu and Other_Uppercase.
1128 New_Prop(Is => 'Uppercase',
1129 Table->Merge($Cat{Lu}, $Prop{Other_Uppercase}),
99598c8c
JH
1130 Desc => '[\p{Lu}\p{Other_Uppercase}]', # use canonical names here
1131 Fuzzy => 1);
cf25bb62
JH
1132
1133 # Math is Sm and Other_Math.
1134 New_Prop(Is => 'Math',
1135 Table->Merge($Cat{Sm}, $Prop{Other_Math}),
99598c8c
JH
1136 Desc => '[\p{Sm}\p{OtherMath}]', # use canonical names here
1137 Fuzzy => 1);
cf25bb62
JH
1138
1139 # ID_Start is Ll, Lu, Lt, Lm, Lo, and Nl.
1140 New_Prop(Is => 'ID_Start',
1141 Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl]}),
99598c8c
JH
1142 Desc => '[\p{Ll}\p{Lu}\p{Lt}\p{Lm}\p{Lo}\p{Nl}]',
1143 Fuzzy => 1);
cf25bb62
JH
1144
1145 # ID_Continue is ID_Start, Mn, Mc, Nd, and Pc.
1146 New_Prop(Is => 'ID_Continue',
1147 Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl Mn Mc Nd Pc ]}),
99598c8c
JH
1148 Desc => '[\p{ID_Start}\p{Mn}\p{Mc}\p{Nd}\p{Pc}]',
1149 Fuzzy => 1);
d73e5302
JH
1150}
1151
cf25bb62
JH
1152sub Make_GC_Aliases()
1153{
1154 ##
1155 ## The mapping from General Category long forms to short forms is
1156 ## currently hardwired here since no simple data file in the UCD
1157 ## seems to do that. Unicode 3.2 will assumedly correct this.
1158 ##
1159 my %Is = (
d73e5302 1160 'Letter' => 'L',
e150c829
JH
1161 'Uppercase_Letter' => 'Lu',
1162 'Lowercase_Letter' => 'Ll',
1163 'Titlecase_Letter' => 'Lt',
1164 'Modifier_Letter' => 'Lm',
1165 'Other_Letter' => 'Lo',
d73e5302
JH
1166
1167 'Mark' => 'M',
e150c829
JH
1168 'Non_Spacing_Mark' => 'Mn',
1169 'Spacing_Mark' => 'Mc',
1170 'Enclosing_Mark' => 'Me',
d73e5302
JH
1171
1172 'Separator' => 'Z',
e150c829
JH
1173 'Space_Separator' => 'Zs',
1174 'Line_Separator' => 'Zl',
1175 'Paragraph_Separator' => 'Zp',
d73e5302
JH
1176
1177 'Number' => 'N',
e150c829
JH
1178 'Decimal_Number' => 'Nd',
1179 'Letter_Number' => 'Nl',
1180 'Other_Number' => 'No',
d73e5302
JH
1181
1182 'Punctuation' => 'P',
e150c829
JH
1183 'Connector_Punctuation' => 'Pc',
1184 'Dash_Punctuation' => 'Pd',
1185 'Open_Punctuation' => 'Ps',
1186 'Close_Punctuation' => 'Pe',
1187 'Initial_Punctuation' => 'Pi',
1188 'Final_Punctuation' => 'Pf',
1189 'Other_Punctuation' => 'Po',
d73e5302
JH
1190
1191 'Symbol' => 'S',
e150c829
JH
1192 'Math_Symbol' => 'Sm',
1193 'Currency_Symbol' => 'Sc',
1194 'Modifier_Symbol' => 'Sk',
1195 'Other_Symbol' => 'So',
d73e5302
JH
1196
1197 'Other' => 'C',
1198 'Control' => 'Cc',
1199 'Format' => 'Cf',
1200 'Surrogate' => 'Cs',
1201 'Private Use' => 'Co',
e150c829 1202 'Unassigned' => 'Cn',
cf25bb62 1203 );
d2d499f5 1204
cf25bb62
JH
1205 ## make the aliases....
1206 while (my ($Alias, $Name) = each %Is) {
99598c8c 1207 New_Alias(Is => $Alias, SameAs => $Name, Fuzzy => 1);
cf25bb62
JH
1208 }
1209}
d2d499f5 1210
5beb625e
JH
1211
1212##
1213## These are used in:
1214## MakePropTestScript()
1215## WriteAllMappings()
1216## for making the test script.
1217##
1218my %FuzzyNameToTest;
1219my %ExactNameToTest;
1220
1221
1222## This used only for making the test script
1223sub GenTests($$$$)
1224{
1225 my $FH = shift;
1226 my $Prop = shift;
1227 my $MatchCode = shift;
1228 my $FailCode = shift;
1229
1230 if (defined $MatchCode) {
1231 printf $FH qq/Expect(1, "\\x{%04X}", '\\p{$Prop}' );\n/, $MatchCode;
1232 printf $FH qq/Expect(0, "\\x{%04X}", '\\p{^$Prop}');\n/, $MatchCode;
1233 printf $FH qq/Expect(0, "\\x{%04X}", '\\P{$Prop}' );\n/, $MatchCode;
1234 printf $FH qq/Expect(1, "\\x{%04X}", '\\P{^$Prop}');\n/, $MatchCode;
1235 }
1236 if (defined $FailCode) {
1237 printf $FH qq/Expect(0, "\\x{%04X}", '\\p{$Prop}' );\n/, $FailCode;
1238 printf $FH qq/Expect(1, "\\x{%04X}", '\\p{^$Prop}');\n/, $FailCode;
1239 printf $FH qq/Expect(1, "\\x{%04X}", '\\P{$Prop}' );\n/, $FailCode;
1240 printf $FH qq/Expect(0, "\\x{%04X}", '\\P{^$Prop}');\n/, $FailCode;
1241 }
1242}
1243
1244## This used only for making the test script
1245sub ExpectError($$)
1246{
1247 my $FH = shift;
1248 my $prop = shift;
1249
1250 print $FH qq/Error('\\p{$prop}');\n/;
1251 print $FH qq/Error('\\P{$prop}');\n/;
1252}
1253
1254## This used only for making the test script
1255my @GoodSeps = (
1256 " ",
1257 "-",
1258 " \t ",
1259 "",
1260 "",
1261 "_",
1262 );
1263my @BadSeps = (
1264 "--",
1265 "__",
1266 " _",
1267 "/"
1268 );
1269
1270## This used only for making the test script
1271sub RandomlyFuzzifyName($;$)
1272{
1273 my $Name = shift;
1274 my $WantError = shift; ## if true, make an error
1275
1276 my @parts;
1277 for my $part (split /[-\s_]+/, $Name)
1278 {
1279 if (@parts) {
1280 if ($WantError and rand() < 0.3) {
1281 push @parts, $BadSeps[rand(@BadSeps)];
1282 $WantError = 0;
1283 } else {
1284 push @parts, $GoodSeps[rand(@GoodSeps)];
1285 }
1286 }
1287 my $switch = int rand(4);
1288 if ($switch == 0) {
1289 push @parts, uc $part;
1290 } elsif ($switch == 1) {
1291 push @parts, lc $part;
1292 } elsif ($switch == 2) {
1293 push @parts, ucfirst $part;
1294 } else {
1295 push @parts, $part;
1296 }
1297 }
1298 my $new = join('', @parts);
1299
1300 if ($WantError) {
1301 if (rand() >= 0.5) {
1302 $new .= $BadSeps[rand(@BadSeps)];
1303 } else {
1304 $new = $BadSeps[rand(@BadSeps)] . $new;
1305 }
1306 }
1307 return $new;
1308}
1309
1310## This used only for making the test script
1311sub MakePropTestScript()
1312{
1313 ## this written directly -- it's huge.
1314 if (not open OUT, ">TestProp.pl") {
1315 die "$0: TestProp.pl: $!\n";
1316 }
1317 print OUT <DATA>;
1318
1319 while (my ($Name, $Table) = each %ExactNameToTest)
1320 {
1321 GenTests(*OUT, $Name, $Table->ValidCode, $Table->InvalidCode);
1322 ExpectError(*OUT, uc $Name) if uc $Name ne $Name;
1323 ExpectError(*OUT, lc $Name) if lc $Name ne $Name;
1324 }
1325
1326
1327 while (my ($Name, $Table) = each %FuzzyNameToTest)
1328 {
1329 my $Orig = $CanonicalToOrig{$Name};
1330 my %Names = (
1331 $Name => 1,
1332 $Orig => 1,
1333 RandomlyFuzzifyName($Orig) => 1
1334 );
1335
1336 for my $N (keys %Names) {
1337 GenTests(*OUT, $N, $Table->ValidCode, $Table->InvalidCode);
1338 }
1339
1340 ExpectError(*OUT, RandomlyFuzzifyName($Orig, 'ERROR'));
1341 }
1342
1343 print OUT "Finished();\n";
1344 close OUT;
1345}
1346
1347
1348##
1349## These are used only in:
1350## RegisterFileForName()
1351## WriteAllMappings()
1352##
1353my %Exact; ## will become %utf8::Exact;
1354my %Canonical; ## will become %utf8::Canonical;
1355my %CaComment; ## Comment for %Canonical entry of same key
1356
1357##
1358## Given info about a name and a datafile that it should be associated with,
1359## register that assocation in %Exact and %Canonical.
1360sub RegisterFileForName($$$$)
1361{
1362 my $Type = shift;
1363 my $Name = shift;
1364 my $IsFuzzy = shift;
1365 my $filename = shift;
1366
1367 ##
1368 ## Now in details for the mapping. $Type eq 'Is' has the
1369 ## Is removed, as it will be removed in utf8_heavy when this
1370 ## data is being checked. In keeps its "In", but a second
1371 ## sans-In record is written if it doesn't conflict with
1372 ## anything already there.
1373 ##
1374 if (not $IsFuzzy)
1375 {
1376 if ($Type eq 'Is') {
1377 die "oops[$Name]" if $Exact{$Name};
1378 $Exact{$Name} = $filename;
1379 } else {
1380 die "oops[$Type$Name]" if $Exact{"$Type$Name"};
1381 $Exact{"$Type$Name"} = $filename;
1382 $Exact{$Name} = $filename if not $Exact{$Name};
1383 }
1384 }
1385 else
1386 {
1387 my $CName = lc $Name;
1388 if ($Type eq 'Is') {
1389 die "oops[$CName]" if $Canonical{$CName};
1390 $Canonical{$CName} = $filename;
1391 $CaComment{$CName} = $Name if $Name =~ tr/A-Z// >= 2;
1392 } else {
1393 die "oops[$Type$CName]" if $Canonical{lc "$Type$CName"};
1394 $Canonical{lc "$Type$CName"} = $filename;
1395 $CaComment{lc "$Type$CName"} = "$Type$Name";
1396 if (not $Canonical{$CName}) {
1397 $Canonical{$CName} = $filename;
1398 $CaComment{$CName} = "$Type$Name";
1399 }
1400 }
1401 }
1402}
1403
cf25bb62
JH
1404##
1405## Writes the info accumulated in
1406##
1407## %TableInfo;
1408## %FuzzyNames;
1409## %AliasInfo;
1410##
1411##
1412sub WriteAllMappings()
1413{
99598c8c
JH
1414 my @MAP;
1415
5beb625e 1416 my %BaseNames; ## Base names already used (for avoiding 8.3 conflicts)
cf25bb62 1417
5beb625e
JH
1418 ## 'Is' *MUST* come first, so its names have precidence over 'In's
1419 for my $Type ('Is', 'In')
1420 {
1421 my %RawNameToFile; ## a per-$Type cache
cf25bb62 1422
5beb625e 1423 for my $Name (sort {length $a <=> length $b} keys %{$TableInfo{$Type}})
cf25bb62 1424 {
5beb625e 1425 ## Note: $Name is already canonical
99598c8c 1426 my $Table = $TableInfo{$Type}->{$Name};
5beb625e 1427 my $IsFuzzy = $FuzzyNames{$Type}->{$Name};
99598c8c
JH
1428
1429 ## Need an 8.3 safe filename (which means "an 8 safe" $filename)
5beb625e 1430 my $filename;
cf25bb62 1431 {
5beb625e
JH
1432 ## 'Is' items lose 'Is' from the basename.
1433 $filename = $Type eq 'Is' ? $Name : "$Type$Name";
1434
1435 $filename =~ s/[^\w_]+/_/g; # "L&" -> "L_"
1436 substr($filename, 8) = '' if length($filename) > 8;
1437
1438 ##
1439 ## Make sure the basename doesn't conflict with something we
1440 ## might have already written. If we have, say,
1441 ## InGreekExtended1
1442 ## InGreekExtended2
1443 ## they become
1444 ## InGreekE
1445 ## InGreek2
1446 ##
1447 while (my $num = $BaseNames{lc $filename}++)
1448 {
1449 $num++; ## so basenames with numbers start with '2', which
1450 ## just looks more natural.
1451 ## Want to append $num, but if it'll make the basename longer
1452 ## than 8 characters, pre-truncate $filename so that the result
1453 ## is acceptable.
1454 my $delta = length($filename) + length($num) - 8;
1455 if ($delta > 0) {
1456 substr($filename, -$delta) = $num;
1457 } else {
1458 $filename .= $num;
1459 }
99598c8c 1460 }
5beb625e 1461 };
99598c8c
JH
1462
1463 ##
1464 ## Construct a nice comment to add to the file, and build data
1465 ## for the "./Properties" file along the way.
1466 ##
1467 my $Comment;
1468 {
1469 my $Desc = $TableDesc{$Type}->{$Name} || "";
1470 ## get list of names this table is reference by
1471 my @Supported = $Name;
1472 while (my ($Orig, $Alias) = each %{ $AliasInfo{$Type} })
1473 {
1474 if ($Orig eq $Name) {
1475 push @Supported, $Alias;
1476 }
1477 }
1478
1479 my $TypeToShow = $Type eq 'Is' ? "" : $Type;
1480 my $OrigProp;
1481
1482 $Comment = "This file supports:\n";
1483 for my $N (@Supported)
1484 {
1485 my $IsFuzzy = $FuzzyNames{$Type}->{$N};
5beb625e 1486 my $Prop = "\\p{$TypeToShow$Name}";
99598c8c
JH
1487 $OrigProp = $Prop if not $OrigProp; #cache for aliases
1488 if ($IsFuzzy) {
1489 $Comment .= "\t$Prop (and fuzzy permutations)\n";
1490 } else {
1491 $Comment .= "\t$Prop\n";
1492 }
1493 my $MyDesc = ($N eq $Name) ? $Desc : "Alias for $OrigProp ($Desc)";
1494
1495 push @MAP, sprintf("%s %-42s %s\n",
1496 $IsFuzzy ? '*' : ' ', $Prop, $MyDesc);
1497 }
1498 if ($Desc) {
1499 $Comment .= "\nMeaning: $Desc\n";
1500 }
1501
1502 }
cf25bb62
JH
1503 ##
1504 ## Okay, write the file...
1505 ##
5beb625e 1506 $Table->Write("lib/$filename.pl", $Comment);
99598c8c 1507
5beb625e
JH
1508 ## and register it
1509 $RawNameToFile{$Name} = $filename;
1510 RegisterFileForName($Type => $Name, $IsFuzzy, $filename);
cf25bb62 1511
5beb625e
JH
1512 if ($IsFuzzy)
1513 {
1514 my $CName = CanonicalName($Type . '_'. $Name);
1515 $FuzzyNameToTest{$Name} = $Table if !$FuzzyNameToTest{$Name};
1516 $FuzzyNameToTest{$CName} = $Table if !$FuzzyNameToTest{$CName};
1517 } else {
1518 $ExactNameToTest{$Name} = $Table;
cf25bb62
JH
1519 }
1520
cf25bb62
JH
1521 }
1522
5beb625e
JH
1523 ## Register aliase info
1524 for my $Name (sort {length $a <=> length $b} keys %{$AliasInfo{$Type}})
cf25bb62 1525 {
5beb625e
JH
1526 my $Alias = $AliasInfo{$Type}->{$Name};
1527 my $IsFuzzy = $FuzzyNames{$Type}->{$Alias};
1528 my $filename = $RawNameToFile{$Name};
1529 die "oops [$Alias]->[$Name]" if not $filename;
1530 RegisterFileForName($Type => $Alias, $IsFuzzy, $filename);
1531
1532 my $Table = $TableInfo{$Type}->{$Name};
1533 die "oops" if not $Table;
1534 if ($IsFuzzy)
1535 {
1536 my $CName = CanonicalName($Type .'_'. $Alias);
1537 $FuzzyNameToTest{$Alias} = $Table if !$FuzzyNameToTest{$Alias};
1538 $FuzzyNameToTest{$CName} = $Table if !$FuzzyNameToTest{$CName};
1539 } else {
1540 $ExactNameToTest{$Alias} = $Table;
1541 }
cf25bb62 1542 }
5beb625e 1543 }
cf25bb62 1544
5beb625e
JH
1545 ##
1546 ## Write out the property list
1547 ##
1548 {
1549 my @OUT = (
1550 "##\n",
1551 "## This file created by $0\n",
1552 "## List of built-in \\p{...}/\\P{...} properties.\n",
1553 "##\n",
1554 "## '*' means name may be 'fuzzy'\n",
1555 "##\n\n",
1556 sort { substr($a,2) cmp substr($b, 2) } @MAP,
1557 );
1558 WriteIfChanged('Properties', @OUT);
1559 }
cf25bb62 1560
5beb625e
JH
1561 use Text::Tabs (); ## using this makes the files about half the size
1562
1563 ## Write Exact.pl
1564 {
1565 my @OUT = (
1566 $HEADER,
1567 "##\n",
1568 "## Data in this file used by ../utf8_heavy.pl\n",
1569 "##\n\n",
1570 "## Mapping from name to filename in ./lib\n",
1571 "%utf8::Exact = (\n",
1572 );
cf25bb62 1573
cf25bb62
JH
1574 for my $Name (sort keys %Exact)
1575 {
1576 my $File = $Exact{$Name};
5beb625e
JH
1577 $Name = $Name =~ m/\W/ ? qq/'$Name'/ : " $Name ";
1578 my $Text = sprintf("%-15s => %s,\n", $Name, qq/'$File'/);
1579 push @OUT, Text::Tabs::unexpand($Text);
cf25bb62 1580 }
5beb625e
JH
1581 push @OUT, ");\n1;\n";
1582
1583 WriteIfChanged('Exact.pl', @OUT);
1584 }
cf25bb62 1585
5beb625e
JH
1586 ## Write Canonical.pl
1587 {
1588 my @OUT = (
1589 $HEADER,
1590 "##\n",
1591 "## Data in this file used by ../utf8_heavy.pl\n",
1592 "##\n\n",
1593 "## Mapping from lc(canonical name) to filename in ./lib\n",
1594 "%utf8::Canonical = (\n",
1595 );
1596 my $Trail = ""; ## used just to keep the spacing pretty
1597 for my $Name (sort keys %Canonical)
cf25bb62 1598 {
5beb625e
JH
1599 my $File = $Canonical{$Name};
1600 if ($CaComment{$Name}) {
1601 push @OUT, "\n" if not $Trail;
1602 push @OUT, " # $CaComment{$Name}\n";
1603 $Trail = "\n";
1604 } else {
1605 $Trail = "";
cf25bb62 1606 }
5beb625e
JH
1607 $Name = $Name =~ m/\W/ ? qq/'$Name'/ : " $Name ";
1608 my $Text = sprintf(" %-41s => %s,\n$Trail", $Name, qq/'$File'/);
1609 push @OUT, Text::Tabs::unexpand($Text);
cf25bb62 1610 }
5beb625e
JH
1611 push @OUT, ");\n1\n";
1612 WriteIfChanged('Canonical.pl', @OUT);
d2d499f5 1613 }
5beb625e
JH
1614
1615 MakePropTestScript() if $MakeTestScript;
d2d499f5
JH
1616}
1617
5beb625e 1618
551b6b6f 1619sub SpecialCasing_txt()
cf25bb62
JH
1620{
1621 #
1622 # Read in the special cases.
1623 #
983ffd37 1624
cf25bb62
JH
1625 my %CaseInfo;
1626
551b6b6f
JH
1627 if (not open IN, "SpecialCasing.txt") {
1628 die "$0: SpecialCasing.txt: $!\n";
cf25bb62
JH
1629 }
1630 while (<IN>) {
1631 next unless /^[0-9A-Fa-f]+;/;
1632 s/\#.*//;
1633 s/\s+$//;
1634
1635 my ($code, $lower, $title, $upper, $condition) = split(/\s*;\s*/);
1636
1637 if ($condition) { # not implemented yet
1638 print "# SKIPPING $_\n" if $Verbose;
1639 next;
1640 }
1641
1642 # Wait until all the special cases have been read since
1643 # they are not listed in numeric order.
1644 my $ix = hex($code);
a6da3000
JH
1645 push @{$CaseInfo{Lower}}, [ $ix, $code, $lower ]
1646 unless $code eq $lower;
1647 push @{$CaseInfo{Title}}, [ $ix, $code, $title ]
1648 unless $code eq $title;
1649 push @{$CaseInfo{Upper}}, [ $ix, $code, $upper ]
1650 unless $code eq $upper;
cf25bb62
JH
1651 }
1652 close IN;
1653
1654 # Now write out the special cases properties in their code point order.
1655 # Prepend them to the To/{Upper,Lower,Title}.pl.
1656
1657 for my $case (qw(Lower Title Upper))
1658 {
1659 my $NormalCase = do "To/$case.pl" || die "$0: $@\n";
cf25bb62 1660
b08cf34e
JH
1661 my @OUT =
1662 (
1663 $HEADER, "\n",
1664 "# The key UTF-8 _bytes_, the value UTF-8 (speed hack)\n",
1665 "%utf8::ToSpec$case =\n(\n",
1666 );
cf25bb62
JH
1667
1668 for my $prop (sort { $a->[0] <=> $b->[0] } @{$CaseInfo{$case}}) {
1669 my ($ix, $code, $to) = @$prop;
1670 my $tostr =
1671 join "", map { sprintf "\\x{%s}", $_ } split ' ', $to;
b08cf34e 1672 push @OUT, sprintf qq["%s" => "$tostr",\n], join("", map { sprintf "\\x%02X", $_ } unpack("U0C*", pack("U", $ix)));
5cb851a6
JH
1673 # Remove any single-character mappings for
1674 # the same character since we are going for
1675 # the special casing rules.
1676 $NormalCase =~ s/^$code\t\t\w+\n//m;
cf25bb62 1677 }
5beb625e
JH
1678 push @OUT, (
1679 ");\n\n",
1680 "return <<'END';\n",
1681 $NormalCase,
1682 "END\n"
1683 );
1684 WriteIfChanged("To/$case.pl", @OUT);
d2d499f5 1685 }
d2d499f5
JH
1686}
1687
c4051cc5
JH
1688#
1689# Read in the case foldings.
1690#
551b6b6f 1691# We will do full case folding, C + F + I (see CaseFolding.txt).
c4051cc5 1692#
551b6b6f 1693sub CaseFolding_txt()
cf25bb62 1694{
551b6b6f
JH
1695 if (not open IN, "CaseFolding.txt") {
1696 die "$0: CaseFolding.txt: $!\n";
cf25bb62 1697 }
c4051cc5 1698
cf25bb62 1699 my $Fold = Table->New();
c4051cc5
JH
1700 my %Fold;
1701
cf25bb62 1702 while (<IN>) {
254ba52a 1703 # Skip status 'S', simple case folding
c4051cc5
JH
1704 next unless /^([0-9A-Fa-f]+)\s*;\s*([CFI])\s*;\s*([0-9A-Fa-f]+(?: [0-9A-Fa-f]+)*)\s*;/;
1705
cf25bb62 1706 my ($code, $status, $fold) = (hex($1), $2, $3);
c4051cc5
JH
1707
1708 if ($status eq 'C') { # Common: one-to-one folding
254ba52a 1709 # No append() since several codes may fold into one.
cf25bb62 1710 $Fold->RawAppendRange($code, $code, $fold);
c4051cc5 1711 } else { # F: full, or I: dotted uppercase I -> dotless lowercase I
cf25bb62 1712 $Fold{$code} = $fold;
c4051cc5
JH
1713 }
1714 }
cf25bb62 1715 close IN;
c4051cc5 1716
cf25bb62 1717 $Fold->Write("To/Fold.pl");
c4051cc5
JH
1718
1719 #
1720 # Prepend the special foldings to the common foldings.
1721 #
c4051cc5 1722 my $CommonFold = do "To/Fold.pl" || die "$0: To/Fold.pl: $!\n";
5beb625e 1723
b08cf34e
JH
1724 my @OUT =
1725 (
1726 $HEADER, "\n",
1727 "# The ke UTF-8 _bytes_, the value UTF-8 (speed hack)\n",
1728 "%utf8::ToSpecFold =\n(\n",
1729 );
cf25bb62
JH
1730 for my $code (sort { $a <=> $b } keys %Fold) {
1731 my $foldstr =
1732 join "", map { sprintf "\\x{%s}", $_ } split ' ', $Fold{$code};
b08cf34e 1733 push @OUT, sprintf qq["%s" => "$foldstr",\n], join("", map { sprintf "\\x%02X", $_ } unpack("U0C*", pack("U", $code)));
c4051cc5 1734 }
5beb625e
JH
1735 push @OUT, (
1736 ");\n\n",
1737 "return <<'END';\n",
1738 $CommonFold,
1739 "END\n",
1740 );
1741
1742 WriteIfChanged("To/Fold.pl", @OUT);
c4051cc5
JH
1743}
1744
cf25bb62
JH
1745## Do it....
1746
44da8cae 1747UnicodeData_Txt();
cf25bb62
JH
1748Make_GC_Aliases();
1749PropList_txt();
1750
1751Scripts_txt();
1752Blocks_txt();
1753
5beb625e
JH
1754WriteAllMappings();
1755
551b6b6f
JH
1756LineBreak_Txt();
1757ArabicShaping_txt();
cf25bb62 1758Jamo_txt();
551b6b6f
JH
1759SpecialCasing_txt();
1760CaseFolding_txt();
cf25bb62 1761
5beb625e 1762exit(0);
cf25bb62 1763
5beb625e
JH
1764## TRAILING CODE IS USED BY MakePropTestScript()
1765__DATA__
1766use strict;
1767use warnings;
1768
1769my $Tests = 0;
1770my $Fails = 0;
cf25bb62 1771
5beb625e
JH
1772sub Expect($$$)
1773{
1774 my $Expect = shift;
1775 my $String = shift;
1776 my $Regex = shift;
1777 my $Line = (caller)[2];
1778
1779 $Tests++;
1780 my $RegObj;
1781 my $result = eval {
1782 $RegObj = qr/$Regex/;
1783 $String =~ $RegObj ? 1 : 0
1784 };
1785
1786 if (not defined $result) {
1787 print "couldn't compile /$Regex/ on $0 line $Line: $@\n";
1788 $Fails++;
1789 } elsif ($result ^ $Expect) {
1790 print "bad result (expected $Expect) on $0 line $Line: $@\n";
1791 $Fails++;
1792 }
1793}
d73e5302 1794
5beb625e
JH
1795sub Error($)
1796{
1797 my $Regex = shift;
1798 $Tests++;
1799 if (eval { 'x' =~ qr/$Regex/; 1 }) {
1800 $Fails++;
1801 my $Line = (caller)[2];
1802 print "expected error for /$Regex/ on $0 line $Line: $@\n";
1803 }
1804}
1805
1806sub Finished()
1807{
1808 if ($Fails == 0) {
1809 print "All $Tests tests passed.\n";
1810 exit(0);
1811 } else {
1812 print "$Tests tests, $Fails failed!\n";
1813 exit(-1);
1814 }
1815}