#!/usr/bin/perl -w
use strict;
use Carp;
##
## mktables -- create the runtime Perl Unicode files (lib/unicore/**/*.pl)
## from the Unicode database files (lib/unicore/*.txt).
##
mkdir("lib", 0755);
mkdir("To", 0755);
##
## Process any args.
##
my $Verbose = 0;
my $MakeTestScript = 0;
while (@ARGV)
{
my $arg = shift @ARGV;
if ($arg eq '-v') {
$Verbose = 1;
} elsif ($arg eq '-q') {
$Verbose = 0;
} elsif ($arg eq '-maketest') {
$MakeTestScript = 1;
} else {
die "usage: $0 [-v|-q] [-maketest]";
}
}
my $LastUnicodeCodepoint = 0x10FFFF; # As of Unicode 3.1.1.
my $HEADER=<<"EOF";
# !!!!!!! DO NOT EDIT THIS FILE !!!!!!!
# This file is built by $0 from e.g. UnicodeData.txt.
# Any changes made here will be lost!
EOF
##
## Given a filename and a reference to an array of lines,
## write the lines to the file only if the contents have not changed.
##
sub WriteIfChanged($\@)
{
my $file = shift;
my $lines = shift;
my $TextToWrite = join '', @$lines;
if (open IN, $file) {
local($/) = undef;
my $PreviousText = <IN>;
close IN;
if ($PreviousText eq $TextToWrite) {
print "$file unchanged.\n" if $Verbose;
return;
}
}
if (not open OUT, ">$file") {
die "$0: can't open $file for output: $!\n";
}
print "$file written.\n" if $Verbose;
print OUT $TextToWrite;
close OUT;
}
##
## The main datastructure (a "Table") represents a set of code points that
## are part of a particular quality (that are part of \pL, \p{InGreek},
## etc.). They are kept as ranges of code points (starting and ending of
## each range).
##
## For example, a range ASCII LETTERS would be represented as:
## [ [ 0x41 => 0x5A, 'UPPER' ],
## [ 0x61 => 0x7A, 'LOWER, ] ]
##
sub RANGE_START() { 0 } ## index into range element
sub RANGE_END() { 1 } ## index into range element
sub RANGE_NAME() { 2 } ## index into range element
## Conceptually, these should really be folded into the 'Table' objects
my %TableInfo;
my %TableDesc;
my %FuzzyNames;
my %AliasInfo;
my %CanonicalToOrig;
##
## Turn something like
## OLD-ITALIC
## into
## OldItalic
##
sub CanonicalName($)
{
my $orig = shift;
my $name = lc $orig;
$name =~ s/(?<![a-z])(\w)/\u$1/g;
$name =~ s/[-_\s]+//g;
$CanonicalToOrig{$name} = $orig if not $CanonicalToOrig{$name};
return $name;
}
##
## Associates a property ("Greek", "Lu", "Assigned",...) with a Table.
##
## Called like:
## New_Prop(In => 'Greek', $Table, Desc => 'Greek Block', Fuzzy => 1);
##
## Normally, these parameters are set when the Table is created (when the
## Table->New constructor is called), but there are times when it needs to
## be done after-the-fact...)
##
sub New_Prop($$$@)
{
my $Type = shift; ## "Is" or "In";
my $Name = shift;
my $Table = shift;
## remaining args are optional key/val
my %Args = @_;
my $Fuzzy = delete $Args{Fuzzy};
my $Desc = delete $Args{Desc}; # description
$Name = CanonicalName($Name) if $Fuzzy;
## sanity check a few args
if (%Args or ($Type ne 'Is' and $Type ne 'In') or not ref $Table) {
confess "$0: bad args to New_Prop"
}
if (not $TableInfo{$Type}->{$Name})
{
$TableInfo{$Type}->{$Name} = $Table;
$TableDesc{$Type}->{$Name} = $Desc;
if ($Fuzzy) {
$FuzzyNames{$Type}->{$Name} = $Name;
}
}
}
##
## Creates a new Table object.
##
## Args are key/value pairs:
## In => Name -- Name of "In" property to be associated with
## Is => Name -- Name of "Is" property to be associated with
## Fuzzy => Boolean -- True if name can be accessed "fuzzily"
## Desc => String -- Description of the property
##
## No args are required.
##
sub Table::New
{
my $class = shift;
my %Args = @_;
my $Table = bless [], $class;
my $Fuzzy = delete $Args{Fuzzy};
my $Desc = delete $Args{Desc};
for my $Type ('Is', 'In')
{
if (my $Name = delete $Args{$Type}) {
New_Prop($Type => $Name, $Table, Desc => $Desc, Fuzzy => $Fuzzy);
}
}
## shouldn't have any left over
if (%Args) {
confess "$0: bad args to Table->New"
}
return $Table;
}
##
## Returns true if the Table has no code points
##
sub Table::IsEmpty
{
my $Table = shift; #self
return not @$Table;
}
##
## Returns true if the Table has code points
##
sub Table::NotEmpty
{
my $Table = shift; #self
return @$Table;
}
##
## Returns the maximum code point currently in the table.
##
sub Table::Max
{
my $Table = shift; #self
confess "oops" if $Table->IsEmpty; ## must have code points to have a max
return $Table->[-1]->[RANGE_END];
}
##
## Replaces the codepoints in the Table with those in the Table given
## as an arg. (NOTE: this is not a "deep copy").
##
sub Table::Replace($$)
{
my $Table = shift; #self
my $New = shift;
@$Table = @$New;
}
##
## Given a new code point, make the last range of the Table extend to
## include the new (and all intervening) code points.
##
sub Table::Extend
{
my $Table = shift; #self
my $codepoint = shift;
my $PrevMax = $Table->Max;
confess "oops ($codepoint <= $PrevMax)" if $codepoint <= $PrevMax;
$Table->[-1]->[RANGE_END] = $codepoint;
}
##
## Given a code point range start and end (and optional name), blindly
## append them to the list of ranges for the Table.
##
## NOTE: Code points must be added in strictly ascending numeric order.
##
sub Table::RawAppendRange
{
my $Table = shift; #self
my $start = shift;
my $end = shift;
my $name = shift;
$name = "" if not defined $name; ## warning: $name can be "0"
push @$Table, [ $start, # RANGE_START
$end, # RANGE_END
$name ]; # RANGE_NAME
}
##
## Given a code point (and optional name), add it to the Table.
##
## NOTE: Code points must be added in strictly ascending numeric order.
##
sub Table::Append
{
my $Table = shift; #self
my $codepoint = shift;
my $name = shift;
$name = "" if not defined $name; ## warning: $name can be "0"
##
## If we've already got a range working, and this code point is the next
## one in line, and if the name is the same, just extend the current range.
##
if ($Table->NotEmpty
and
$Table->Max == $codepoint - 1
and
$Table->[-1]->[RANGE_NAME] eq $name)
{
$Table->Extend($codepoint);
}
else
{
$Table->RawAppendRange($codepoint, $codepoint, $name);
}
}
##
## Given a code point range starting value and ending value (and name),
## Add the range to teh Table.
##
## NOTE: Code points must be added in strictly ascending numeric order.
##
sub Table::AppendRange
{
my $Table = shift; #self
my $start = shift;
my $end = shift;
my $name = shift;
$name = "" if not defined $name; ## warning: $name can be "0"
$Table->Append($start, $name);
$Table->Extend($end) if $end > $start;
}
##
## Return a new Table that represents all code points not in the Table.
##
sub Table::Invert
{
my $Table = shift; #self
my $New = Table->New();
my $max = -1;
for my $range (@$Table)
{
my $start = $range->[RANGE_START];
my $end = $range->[RANGE_END];
if ($start-1 >= $max+1) {
$New->AppendRange($max+1, $start-1, "");
}
$max = $end;
}
if ($max+1 < $LastUnicodeCodepoint) {
$New->AppendRange($max+1, $LastUnicodeCodepoint);
}
return $New;
}
##
## Merges any number of other tables with $self, returning the new table.
## (existing tables are not modified)
##
##
## Args may be Tables, or individual code points (as integers).
##
## Can be called as either a constructor or a method.
##
sub Table::Merge
{
shift(@_) if not ref $_[0]; ## if called as a constructor, lose the class
my @Tables = @_;
## Accumulate all records from all tables
my @Records;
for my $Arg (@Tables)
{
if (ref $Arg) {
## arg is a table -- get its ranges
push @Records, @$Arg;
} else {
## arg is a codepoint, make a range
push @Records, [ $Arg, $Arg ]
}
}
## sort by range start, with longer ranges coming first.
my ($first, @Rest) = sort {
($a->[RANGE_START] <=> $b->[RANGE_START])
or
($b->[RANGE_END] <=> $b->[RANGE_END])
} @Records;
my $New = Table->New();
## Ensuring the first range is there makes the subsequent loop easier
$New->AppendRange($first->[RANGE_START],
$first->[RANGE_END]);
## Fold in records so long as they add new information.
for my $set (@Rest)
{
my $start = $set->[RANGE_START];
my $end = $set->[RANGE_END];
if ($start > $New->Max) {
$New->AppendRange($start, $end);
} elsif ($end > $New->Max) {
$New->Extend($end);
}
}
return $New;
}
##
## Given a filename, write a representation of the Table to a file.
## May have an optional comment as a 2nd arg.
##
sub Table::Write
{
my $Table = shift; #self
my $filename = shift;
my $comment = shift;
my @OUT = $HEADER;
if (defined $comment) {
$comment =~ s/\s+\Z//;
$comment =~ s/^/# /gm;
push @OUT, "#\n$comment\n#\n";
}
push @OUT, "return <<'END';\n";
for my $set (@$Table)
{
my $start = $set->[RANGE_START];
my $end = $set->[RANGE_END];
my $name = $set->[RANGE_NAME];
if ($start == $end) {
push @OUT, sprintf "%04X\t\t%s\n", $start, $name;
} else {
push @OUT, sprintf "%04X\t%04X\t%s\n", $start, $end, $name;
}
}
push @OUT, "END\n";
WriteIfChanged($filename, @OUT);
}
## This used only for making the test script.
## helper function
sub IsUsable($)
{
my $code = shift;
return 0 if $code <= 0x0000; ## don't use null
return 0 if $code >= $LastUnicodeCodepoint; ## keep in range
return 0 if ($code >= 0xD800 and $code <= 0xDFFF); ## no surrogates
return 0 if ($code >= 0xFDD0 and $code <= 0xFDEF); ## utf8.c says no good
return 0 if (($code & 0xFFFF) == 0xFFFE); ## utf8.c says no good
return 0 if (($code & 0xFFFF) == 0xFFFF); ## utf8.c says no good
return 1;
}
## Return a code point that's part of the table.
## Returns nothing if the table is empty (or covers only surrogates).
## This used only for making the test script.
sub Table::ValidCode
{
my $Table = shift; #self
for my $set (@$Table) {
return $set->[RANGE_END] if IsUsable($set->[RANGE_END]);
}
return ();
}
## Return a code point that's not part of the table
## Returns nothing if the table covers all code points.
## This used only for making the test script.
sub Table::InvalidCode
{
my $Table = shift; #self
return 0x1234 if $Table->IsEmpty();
for my $set (@$Table)
{
if (IsUsable($set->[RANGE_END] + 1))
{
return $set->[RANGE_END] + 1;
}
if (IsUsable($set->[RANGE_START] - 1))
{
return $set->[RANGE_START] - 1;
}
}
return ();
}
###########################################################################
###########################################################################
###########################################################################
##
## Called like:
## New_Alias(Is => 'All', SameAs => 'Any', Fuzzy => 1);
##
## The args must be in that order, although the Fuzzy pair may be omitted.
##
## This creates 'IsAll' as an alias for 'IsAny'
##
sub New_Alias($$$@)
{
my $Type = shift; ## "Is" or "In"
my $Alias = shift;
my $SameAs = shift; # expecting "SameAs" -- just ignored
my $Name = shift;
## remaining args are optional key/val
my %Args = @_;
my $Fuzzy = delete $Args{Fuzzy};
## sanity check a few args
if (%Args or ($Type ne 'Is' and $Type ne 'In') or $SameAs ne 'SameAs') {
confess "$0: bad args to New_Alias"
}
$Alias = CanonicalName($Alias) if $Fuzzy;
if (not $TableInfo{$Type}->{$Name})
{
my $CName = CanonicalName($Name);
if ($TableInfo{$Type}->{$CName}) {
confess "$0: Use canonical form '$CName' instead of '$Name' for alias.";
} else {
confess "$0: don't have orignial $Type => $Name to make alias";
}
}
if ($TableInfo{$Alias}) {
confess "$0: already have original $Type => $Alias; can't make alias";
}
$AliasInfo{$Type}->{$Name} = $Alias;
if ($Fuzzy) {
$FuzzyNames{$Type}->{$Alias} = $Name;
}
}
## All assigned code points
my $Assigned = Table->New(Is => 'Assigned',
Desc => "All assigned code points",
Fuzzy => 0);
my $Name = Table->New(); ## all characters, individually by name
my $General = Table->New(); ## all characters, grouped by category
my %General;
my %Cat;
##
## Process UnicodeData.txt (Categories, etc.)
##
sub UnicodeData_Txt()
{
my $Bidi = Table->New();
my $Deco = Table->New();
my $Comb = Table->New();
my $Number = Table->New();
my $Mirrored = Table->New(Is => 'Mirrored',
Desc => "Mirrored in bidirectional text",
Fuzzy => 0);
my %DC;
my %Bidi;
my %Deco;
$Deco{Canon} = Table->New(Is => 'Canon',
Desc => 'Decomposes to multiple characters',
Fuzzy => 0);
$Deco{Compat} = Table->New(Is => 'Compat',
Desc => 'Compatible with a more-basic character',
Fuzzy => 0);
## Initialize Perl-generated categories
## (Categories from UnicodeData.txt are auto-initialized in gencat)
$Cat{Alnum} =
Table->New(Is => 'Alnum', Desc => "[[:Alnum:]]", Fuzzy => 0);
$Cat{Alpha} =
Table->New(Is => 'Alpha', Desc => "[[:Alpha:]]", Fuzzy => 0);
$Cat{ASCII} =
Table->New(Is => 'ASCII', Desc => "[[:ASCII:]]", Fuzzy => 0);
$Cat{Blank} =
Table->New(Is => 'Blank', Desc => "[[:Blank:]]", Fuzzy => 0);
$Cat{Cntrl} =
Table->New(Is => 'Cntrl', Desc => "[[:Cntrl:]]", Fuzzy => 0);
$Cat{Digit} =
Table->New(Is => 'Digit', Desc => "[[:Digit:]]", Fuzzy => 0);
$Cat{Graph} =
Table->New(Is => 'Graph', Desc => "[[:Graph:]]", Fuzzy => 0);
$Cat{Lower} =
Table->New(Is => 'Lower', Desc => "[[:Lower:]]", Fuzzy => 0);
$Cat{Print} =
Table->New(Is => 'Print', Desc => "[[:Print:]]", Fuzzy => 0);
$Cat{Punct} =
Table->New(Is => 'Punct', Desc => "[[:Punct:]]", Fuzzy => 0);
$Cat{Space} =
Table->New(Is => 'Space', Desc => "[[:Space:]]", Fuzzy => 0);
$Cat{Title} =
Table->New(Is => 'Title', Desc => "[[:Title:]]", Fuzzy => 0);
$Cat{Upper} =
Table->New(Is => 'Upper', Desc => "[[:Upper:]]", Fuzzy => 0);
$Cat{XDigit} =
Table->New(Is => 'XDigit', Desc => "[[:XDigit:]]", Fuzzy => 0);
$Cat{Word} =
Table->New(Is => 'Word', Desc => "[[:Word:]]", Fuzzy => 0);
$Cat{SpacePerl} =
Table->New(Is => 'SpacePerl', Desc => '\s', Fuzzy => 0);
my %To;
$To{Upper} = Table->New();
$To{Lower} = Table->New();
$To{Title} = Table->New();
$To{Digit} = Table->New();
sub gencat($$$$)
{
my ($name, ## Name ("LATIN CAPITAL LETTER A")
$cat, ## Category ("Lu", "Zp", "Nd", etc.)
$code, ## Code point (as an integer)
$op) = @_;
my $MajorCat = substr($cat, 0, 1); ## L, M, Z, S, etc
$Assigned->$op($code);
$Name->$op($code, $name);
$General->$op($code, $cat);
## add to the sub category (e.g. "Lu", "Nd", "Cf", ..)
$Cat{$cat} ||= Table->New(Is => $cat,
Desc => "General Category '$cat'",
Fuzzy => 0);
$Cat{$cat}->$op($code);
## add to the major category (e.g. "L", "N", "C", ...)
$Cat{$MajorCat} ||= Table->New(Is => $MajorCat,
Desc => "Major Category '$MajorCat'",
Fuzzy => 0);
$Cat{$MajorCat}->$op($code);
($General{$name} ||= Table->New)->$op($code, $name);
# 005F: SPACING UNDERSCORE
$Cat{Word}->$op($code) if $cat =~ /^[LMN]/ || $code == 0x005F;
$Cat{Alnum}->$op($code) if $cat =~ /^[LMN]/;
$Cat{Alpha}->$op($code) if $cat =~ /^[LM]/;
$Cat{Space}->$op($code) if $cat =~ /^Z/
|| $code == 0x0009 # 0009: HORIZONTAL TAB
|| $code == 0x000A # 000A: LINE FEED
|| $code == 0x000B # 000B: VERTICAL TAB
|| $code == 0x000C # 000C: FORM FEED
|| $code == 0x000D; # 000D: CARRIAGE RETURN
$Cat{SpacePerl}->$op($code) if $cat =~ /^Z/
|| $code == 0x0009 # 0009: HORIZONTAL TAB
|| $code == 0x000A # 000A: LINE FEED
|| $code == 0x000C # 000C: FORM FEED
|| $code == 0x000D # 000D: CARRIAGE RETURN
|| $code == 0x0085 # 0085: <NEXT LINE>
|| $code == 0x2028 # 2028: LINE SEPARATOR
|| $code == 0x2029;# 2029: PARAGRAPH SEP.
$Cat{Blank}->$op($code) if $cat =~ /^Z[^lp]$/
|| $code == 0x0009 # 0009: HORIZONTAL TAB
|| $code == 0x0020; # 0020: SPACE
$Cat{Digit}->$op($code) if $cat eq "Nd";
$Cat{Upper}->$op($code) if $cat eq "Lu";
$Cat{Lower}->$op($code) if $cat eq "Ll";
$Cat{Title}->$op($code) if $cat eq "Lt";
$Cat{ASCII}->$op($code) if $code <= 0x007F;
$Cat{Cntrl}->$op($code) if $cat =~ /^C/;
$Cat{Graph}->$op($code) if $cat =~ /^([LMNPS]|Co)/;
$Cat{Print}->$op($code) if $cat =~ /^([LMNPS]|Co|Zs)/;
$Cat{Punct}->$op($code) if $cat =~ /^P/;
$Cat{XDigit}->$op($code) if ($code >= 0x30 && $code <= 0x39) ## 0..9
|| ($code >= 0x41 && $code <= 0x46) ## A..F
|| ($code >= 0x61 && $code <= 0x66); ## a..f
}
## open ane read file.....
if (not open IN, "UnicodeData.txt") {
die "$0: UnicodeData.txt: $!\n";
}
##
## For building \p{_CombAbove} and \p{_CanonDCIJ}
##
my %_Above_HexCodes; ## Hexcodes for chars with $comb == 230 ("ABOVE")
my %CodeToDeco; ## Maps code to decomp. list for chars with first
## decomp. char an "i" or "j" (for \p{_CanonDCIJ})
## This is filled in as we go....
my $CombAbove = Table->New(Is => '_CombAbove',
Desc => '(for internal casefolding use)',
Fuzzy => 0);
while (<IN>)
{
next unless /^[0-9A-Fa-f]+;/;
s/\s+$//;
my ($hexcode, ## code point in hex (e.g. "0041")
$name, ## character name (e.g. "LATIN CAPITAL LETTER A")
$cat, ## category (e.g. "Lu")
$comb, ## Canonical combining class (e.t. "230")
$bidi, ## directional category (e.g. "L")
$deco, ## decomposition mapping
$decimal, ## decimal digit value
$digit, ## digit value
$number, ## numeric value
$mirrored, ## mirrored
$unicode10, ## name in Unicode 1.0
$comment, ## comment field
$upper, ## uppercase mapping
$lower, ## lowercase mapping
$title, ## titlecase mapping
) = split(/\s*;\s*/);
# Note that in Unicode 3.2 there will be names like
# LINE FEED (LF), which probably means that \N{} needs
# to cope also with LINE FEED and LF.
$name = $unicode10 if $name eq '<control>' && $unicode10 ne '';
my $code = hex($hexcode);
if ($comb and $comb == 230) {
$CombAbove->Append($code);
$_Above_HexCodes{$hexcode} = 1;
}
## Used in building \p{_CanonDCIJ}
if ($deco and $deco =~ m/^006[9A]\b/) {
$CodeToDeco{$code} = $deco;
}
##
## There are a few pairs of lines like:
## AC00;<Hangul Syllable, First>;Lo;0;L;;;;;N;;;;;
## D7A3;<Hangul Syllable, Last>;Lo;0;L;;;;;N;;;;;
## that define ranges.
##
if ($name =~ /^<(.+), (First|Last)>$/)
{
$name = $1;
gencat($name, $cat, $code, $2 eq 'First' ? 'Append' : 'Extend');
#New_Prop(In => $name, $General{$name}, Fuzzy => 1);
}
else
{
## normal (single-character) lines
gencat($name, $cat, $code, 'Append');
# No Append() here since since several codes may map into one.
$To{Upper}->RawAppendRange($code, $code, $upper) if $upper;
$To{Lower}->RawAppendRange($code, $code, $lower) if $lower;
$To{Title}->RawAppendRange($code, $code, $title) if $title;
$To{Digit}->Append($code, $decimal) if length $decimal;
$Bidi->Append($code, $bidi);
$Comb->Append($code, $comb) if $comb;
$Number->Append($code, $number) if length $number;
$Mirrored->Append($code) if $mirrored eq "Y";
$Bidi{$bidi} ||= Table->New(Is => "Bidi$bidi",
Desc => "Bi-directional category '$bidi'",
Fuzzy => 0);
$Bidi{$bidi}->Append($code);
if ($deco)
{
$Deco->Append($code, $deco);
if ($deco =~/^<(\w+)>/)
{
$Deco{Compat}->Append($code);
$DC{$1} ||= Table->New(Is => "DC$1",
Desc => "Compatible with '$1'",
Fuzzy => 0);
$DC{$1}->Append($code);
}
else
{
$Deco{Canon}->Append($code);
}
}
}
}
close IN;
##
## Tidy up a few special cases....
##
$Cat{Cn} = $Assigned->Invert; ## Cn is everything that doesn't exist
New_Prop(Is => 'Cn',
$Cat{Cn},
Desc => "General Category 'Cn' [not functional in Perl]",
Fuzzy => 0);
## Unassigned is the same as 'Cn'
New_Alias(Is => 'Unassigned', SameAs => 'Cn', Fuzzy => 0);
$Cat{C}->Replace($Cat{C}->Merge($Cat{Cn})); ## Now merge in Cn into C
# L& is Ll, Lu, and Lt.
New_Prop(Is => 'L&',
Table->Merge(@Cat{qw[Ll Lu Lt]}),
Desc => '[\p{Ll}\p{Lu}\p{Lt}]',
Fuzzy => 0);
## Any and All are all code points.
my $Any = Table->New(Is => 'Any',
Desc => sprintf("[\\x{0000}-\\x{%X}]",
$LastUnicodeCodepoint),
Fuzzy => 0);
$Any->RawAppendRange(0, $LastUnicodeCodepoint);
New_Alias(Is => 'All', SameAs => 'Any', Fuzzy => 0);
##
## Build special properties for Perl's internal case-folding needs:
## \p{_CaseIgnorable}
## \p{_CanonDCIJ}
## \p{_CombAbove}
## _CombAbove was built above. Others are built here....
##
## \p{_CaseIgnorable} is [\p{Mn}\0x00AD\x2010]
New_Prop(Is => '_CaseIgnorable',
Table->Merge($Cat{Mn},
0x00AD, #SOFT HYPHEN
0x2010), #HYPHEN
Desc => '(for internal casefolding use)',
Fuzzy => 0);
## \p{_CanonDCIJ} is fairly complex...
my $CanonCDIJ = Table->New(Is => '_CanonDCIJ',
Desc => '(for internal casefolding use)',
Fuzzy => 0);
## It contains the ASCII 'i' and 'j'....
$CanonCDIJ->Append(0x0069); # ASCII ord("i")
$CanonCDIJ->Append(0x006A); # ASCII ord("j")
## ...and any character with a decomposition that starts with either of
## those code points, but only if the decomposition does not have any
## combining character with the "ABOVE" canonical combining class.
for my $code (sort { $a <=> $b} keys %CodeToDeco)
{
## Need to ensure that all decomposition characters do not have
## a %HexCodeToComb in %AboveCombClasses.
my $want = 1;
for my $deco_hexcode (split / /, $CodeToDeco{$code})
{
if (exists $_Above_HexCodes{$deco_hexcode}) {
## one of the decmposition chars has an ABOVE combination
## class, so we're not interested in this one
$want = 0;
last;
}
}
if ($want) {
$CanonCDIJ->Append($code);
}
}
##
## Now dump the files.
##
$Name->Write("Name.pl");
$Bidi->Write("Bidirectional.pl");
$Comb->Write("CombiningClass.pl");
$Deco->Write("Decomposition.pl");
$Number->Write("Number.pl");
$General->Write("Category.pl");
for my $to (sort keys %To) {
$To{$to}->Write("To/$to.pl");
}
}
##
## Process LineBreak.txt
##
sub LineBreak_Txt()
{
if (not open IN, "LineBreak.txt") {
die "$0: LineBreak.txt: $!\n";
}
my $Lbrk = Table->New();
my %Lbrk;
while (<IN>)
{
next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(\w+)/;
my ($first, $last, $lbrk) = (hex($1), hex($2||""), $3);
$Lbrk->Append($first, $lbrk);
$Lbrk{$lbrk} ||= Table->New(Is => "Lbrk$lbrk",
Desc => "Linebreak category '$lbrk'",
Fuzzy => 0);
$Lbrk{$lbrk}->Append($first);
if ($last) {
$Lbrk->Extend($last);
$Lbrk{$lbrk}->Extend($last);
}
}
close IN;
$Lbrk->Write("Lbrk.pl");
}
##
## Process ArabicShaping.txt.
##
sub ArabicShaping_txt()
{
if (not open IN, "ArabicShaping.txt") {
die "$0: ArabicShaping.txt: $!\n";
}
my $ArabLink = Table->New();
my $ArabLinkGroup = Table->New();
while (<IN>)
{
next unless /^[0-9A-Fa-f]+;/;
s/\s+$//;
my ($hexcode, $name, $link, $linkgroup) = split(/\s*;\s*/);
my $code = hex($hexcode);
$ArabLink->Append($code, $link);
$ArabLinkGroup->Append($code, $linkgroup);
}
close IN;
$ArabLink->Write("ArabLink.pl");
$ArabLinkGroup->Write("ArabLnkGrp.pl");
}
##
## Process Jamo.txt.
##
sub Jamo_txt()
{
if (not open IN, "Jamo.txt") {
die "$0: Jamo.txt: $!\n";
}
my $Short = Table->New();
while (<IN>)
{
next unless /^([0-9A-Fa-f]+)\s*;\s*(\w*)/;
my ($code, $short) = (hex($1), $2);
$Short->Append($code, $short);
}
close IN;
$Short->Write("JamoShort.pl");
}
##
## Process Scripts.txt.
##
sub Scripts_txt()
{
my @ScriptInfo;
if (not open(IN, "Scripts.txt")) {
die "$0: Scripts.txt: $!\n";
}
while (<IN>) {
next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
# Wait until all the scripts have been read since
# they are not listed in numeric order.
push @ScriptInfo, [ hex($1), hex($2||""), $3 ];
}
close IN;
# Now append the scripts properties in their code point order.
my %Script;
my $Scripts = Table->New();
for my $script (sort { $a->[0] <=> $b->[0] } @ScriptInfo)
{
my ($first, $last, $name) = @$script;
$Scripts->Append($first, $name);
$Script{$name} ||= Table->New(Is => $name,
Desc => "Script '$name'",
Fuzzy => 1);
$Script{$name}->Append($first, $name);
if ($last) {
$Scripts->Extend($last);
$Script{$name}->Extend($last);
}
}
$Scripts->Write("Scripts.pl");
## Common is everything not explicitly assigned to a Script
##
## ***shouldn't this be intersected with \p{Assigned}? ******
##
New_Prop(Is => 'Common',
$Scripts->Invert,
Desc => 'Pseudo-Script of codepoints not in other Unicode scripts',
Fuzzy => 1);
}
##
## Given a name like "Close Punctuation", return a regex (that when applied
## with /i) matches any valid form of that name (e.g. "ClosePunctuation",
## "Close-Punctuation", etc.)
##
## Accept any space, dash, or underbar where in the official name there is
## space or a dash (or underbar, but there never is).
##
##
sub NameToRegex($)
{
my $Name = shift;
$Name =~ s/[- _]/(?:[-_]|\\s+)?/g;
return $Name;
}
##
## Process Blocks.txt.
##
sub Blocks_txt()
{
my $Blocks = Table->New();
my %Blocks;
if (not open IN, "Blocks.txt") {
die "$0: Blocks.txt: $!\n";
}
while (<IN>)
{
#next if not /Private Use$/;
next if not /^([0-9A-Fa-f]+)\.\.([0-9A-Fa-f]+)\s*;\s*(.+?)\s*$/;
my ($first, $last, $name) = (hex($1), hex($2), $3);
$Blocks->Append($first, $name);
$Blocks{$name} ||= Table->New(In => $name,
Desc => "Block '$name'",
Fuzzy => 1);
$Blocks{$name}->Append($first, $name);
if ($last and $last != $first) {
$Blocks->Extend($last);
$Blocks{$name}->Extend($last);
}
}
close IN;
$Blocks->Write("Blocks.pl");
}
##
## Read in the PropList.txt. It contains extended properties not
## listed in the UnicodeData.txt, such as 'Other_Alphabetic':
## alphabetic but not of the general category L; many modifiers
## belong to this extended property category: while they are not
## alphabets, they are alphabetic in nature.
##
sub PropList_txt()
{
my @PropInfo;
if (not open IN, "PropList.txt") {
die "$0: PropList.txt: $!\n";
}
while (<IN>)
{
next unless /^([0-9A-Fa-f]+)(?:\.\.([0-9A-Fa-f]+))?\s*;\s*(.+?)\s*\#/;
# Wait until all the extended properties have been read since
# they are not listed in numeric order.
push @PropInfo, [ hex($1), hex($2||""), $3 ];
}
close IN;
# Now append the extended properties in their code point order.
my $Props = Table->New();
my %Prop;
for my $prop (sort { $a->[0] <=> $b->[0] } @PropInfo)
{
my ($first, $last, $name) = @$prop;
$Props->Append($first, $name);
$Prop{$name} ||= Table->New(Is => $name,
Desc => "Extended property '$name'",
Fuzzy => 1);
$Prop{$name}->Append($first, $name);
if ($last) {
$Props->Extend($last);
$Prop{$name}->Extend($last);
}
}
# Alphabetic is L and Other_Alphabetic.
New_Prop(Is => 'Alphabetic',
Table->Merge($Cat{L}, $Prop{Other_Alphabetic}),
Desc => '[\p{L}\p{OtherAlphabetic}]', # use canonical names here
Fuzzy => 1);
# Lowercase is Ll and Other_Lowercase.
New_Prop(Is => 'Lowercase',
Table->Merge($Cat{Ll}, $Prop{Other_Lowercase}),
Desc => '[\p{Ll}\p{OtherLowercase}]', # use canonical names here
Fuzzy => 1);
# Uppercase is Lu and Other_Uppercase.
New_Prop(Is => 'Uppercase',
Table->Merge($Cat{Lu}, $Prop{Other_Uppercase}),
Desc => '[\p{Lu}\p{Other_Uppercase}]', # use canonical names here
Fuzzy => 1);
# Math is Sm and Other_Math.
New_Prop(Is => 'Math',
Table->Merge($Cat{Sm}, $Prop{Other_Math}),
Desc => '[\p{Sm}\p{OtherMath}]', # use canonical names here
Fuzzy => 1);
# ID_Start is Ll, Lu, Lt, Lm, Lo, and Nl.
New_Prop(Is => 'ID_Start',
Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl]}),
Desc => '[\p{Ll}\p{Lu}\p{Lt}\p{Lm}\p{Lo}\p{Nl}]',
Fuzzy => 1);
# ID_Continue is ID_Start, Mn, Mc, Nd, and Pc.
New_Prop(Is => 'ID_Continue',
Table->Merge(@Cat{qw[Ll Lu Lt Lm Lo Nl Mn Mc Nd Pc ]}),
Desc => '[\p{ID_Start}\p{Mn}\p{Mc}\p{Nd}\p{Pc}]',
Fuzzy => 1);
}
sub Make_GC_Aliases()
{
##
## The mapping from General Category long forms to short forms is
## currently hardwired here since no simple data file in the UCD
## seems to do that. Unicode 3.2 will assumedly correct this.
##
my %Is = (
'Letter' => 'L',
'Uppercase_Letter' => 'Lu',
'Lowercase_Letter' => 'Ll',
'Titlecase_Letter' => 'Lt',
'Modifier_Letter' => 'Lm',
'Other_Letter' => 'Lo',
'Mark' => 'M',
'Non_Spacing_Mark' => 'Mn',
'Spacing_Mark' => 'Mc',
'Enclosing_Mark' => 'Me',
'Separator' => 'Z',
'Space_Separator' => 'Zs',
'Line_Separator' => 'Zl',
'Paragraph_Separator' => 'Zp',
'Number' => 'N',
'Decimal_Number' => 'Nd',
'Letter_Number' => 'Nl',
'Other_Number' => 'No',
'Punctuation' => 'P',
'Connector_Punctuation' => 'Pc',
'Dash_Punctuation' => 'Pd',
'Open_Punctuation' => 'Ps',
'Close_Punctuation' => 'Pe',
'Initial_Punctuation' => 'Pi',
'Final_Punctuation' => 'Pf',
'Other_Punctuation' => 'Po',
'Symbol' => 'S',
'Math_Symbol' => 'Sm',
'Currency_Symbol' => 'Sc',
'Modifier_Symbol' => 'Sk',
'Other_Symbol' => 'So',
'Other' => 'C',
'Control' => 'Cc',
'Format' => 'Cf',
'Surrogate' => 'Cs',
'Private Use' => 'Co',
'Unassigned' => 'Cn',
);
## make the aliases....
while (my ($Alias, $Name) = each %Is) {
New_Alias(Is => $Alias, SameAs => $Name, Fuzzy => 1);
}
}
##
## These are used in:
## MakePropTestScript()
## WriteAllMappings()
## for making the test script.
##
my %FuzzyNameToTest;
my %ExactNameToTest;
## This used only for making the test script
sub GenTests($$$$)
{
my $FH = shift;
my $Prop = shift;
my $MatchCode = shift;
my $FailCode = shift;
if (defined $MatchCode) {
printf $FH qq/Expect(1, "\\x{%04X}", '\\p{$Prop}' );\n/, $MatchCode;
printf $FH qq/Expect(0, "\\x{%04X}", '\\p{^$Prop}');\n/, $MatchCode;
printf $FH qq/Expect(0, "\\x{%04X}", '\\P{$Prop}' );\n/, $MatchCode;
printf $FH qq/Expect(1, "\\x{%04X}", '\\P{^$Prop}');\n/, $MatchCode;
}
if (defined $FailCode) {
printf $FH qq/Expect(0, "\\x{%04X}", '\\p{$Prop}' );\n/, $FailCode;
printf $FH qq/Expect(1, "\\x{%04X}", '\\p{^$Prop}');\n/, $FailCode;
printf $FH qq/Expect(1, "\\x{%04X}", '\\P{$Prop}' );\n/, $FailCode;
printf $FH qq/Expect(0, "\\x{%04X}", '\\P{^$Prop}');\n/, $FailCode;
}
}
## This used only for making the test script
sub ExpectError($$)
{
my $FH = shift;
my $prop = shift;
print $FH qq/Error('\\p{$prop}');\n/;
print $FH qq/Error('\\P{$prop}');\n/;
}
## This used only for making the test script
my @GoodSeps = (
" ",
"-",
" \t ",
"",
"",
"_",
);
my @BadSeps = (
"--",
"__",
" _",
"/"
);
## This used only for making the test script
sub RandomlyFuzzifyName($;$)
{
my $Name = shift;
my $WantError = shift; ## if true, make an error
my @parts;
for my $part (split /[-\s_]+/, $Name)
{
if (@parts) {
if ($WantError and rand() < 0.3) {
push @parts, $BadSeps[rand(@BadSeps)];
$WantError = 0;
} else {
push @parts, $GoodSeps[rand(@GoodSeps)];
}
}
my $switch = int rand(4);
if ($switch == 0) {
push @parts, uc $part;
} elsif ($switch == 1) {
push @parts, lc $part;
} elsif ($switch == 2) {
push @parts, ucfirst $part;
} else {
push @parts, $part;
}
}
my $new = join('', @parts);
if ($WantError) {
if (rand() >= 0.5) {
$new .= $BadSeps[rand(@BadSeps)];
} else {
$new = $BadSeps[rand(@BadSeps)] . $new;
}
}
return $new;
}
## This used only for making the test script
sub MakePropTestScript()
{
## this written directly -- it's huge.
if (not open OUT, ">TestProp.pl") {
die "$0: TestProp.pl: $!\n";
}
print OUT <DATA>;
while (my ($Name, $Table) = each %ExactNameToTest)
{
GenTests(*OUT, $Name, $Table->ValidCode, $Table->InvalidCode);
ExpectError(*OUT, uc $Name) if uc $Name ne $Name;
ExpectError(*OUT, lc $Name) if lc $Name ne $Name;
}
while (my ($Name, $Table) = each %FuzzyNameToTest)
{
my $Orig = $CanonicalToOrig{$Name};
my %Names = (
$Name => 1,
$Orig => 1,
RandomlyFuzzifyName($Orig) => 1
);
for my $N (keys %Names) {
GenTests(*OUT, $N, $Table->ValidCode, $Table->InvalidCode);
}
ExpectError(*OUT, RandomlyFuzzifyName($Orig, 'ERROR'));
}
print OUT "Finished();\n";
close OUT;
}
##
## These are used only in:
## RegisterFileForName()
## WriteAllMappings()
##
my %Exact; ## will become %utf8::Exact;
my %Canonical; ## will become %utf8::Canonical;
my %CaComment; ## Comment for %Canonical entry of same key
##
## Given info about a name and a datafile that it should be associated with,
## register that assocation in %Exact and %Canonical.
sub RegisterFileForName($$$$)
{
my $Type = shift;
my $Name = shift;
my $IsFuzzy = shift;
my $filename = shift;
##
## Now in details for the mapping. $Type eq 'Is' has the
## Is removed, as it will be removed in utf8_heavy when this
## data is being checked. In keeps its "In", but a second
## sans-In record is written if it doesn't conflict with
## anything already there.
##
if (not $IsFuzzy)
{
if ($Type eq 'Is') {
die "oops[$Name]" if $Exact{$Name};
$Exact{$Name} = $filename;
} else {
die "oops[$Type$Name]" if $Exact{"$Type$Name"};
$Exact{"$Type$Name"} = $filename;
$Exact{$Name} = $filename if not $Exact{$Name};
}
}
else
{
my $CName = lc $Name;
if ($Type eq 'Is') {
die "oops[$CName]" if $Canonical{$CName};
$Canonical{$CName} = $filename;
$CaComment{$CName} = $Name if $Name =~ tr/A-Z// >= 2;
} else {
die "oops[$Type$CName]" if $Canonical{lc "$Type$CName"};
$Canonical{lc "$Type$CName"} = $filename;
$CaComment{lc "$Type$CName"} = "$Type$Name";
if (not $Canonical{$CName}) {
$Canonical{$CName} = $filename;
$CaComment{$CName} = "$Type$Name";
}
}
}
}
##
## Writes the info accumulated in
##
## %TableInfo;
## %FuzzyNames;
## %AliasInfo;
##
##
sub WriteAllMappings()
{
my @MAP;
my %BaseNames; ## Base names already used (for avoiding 8.3 conflicts)
## 'Is' *MUST* come first, so its names have precidence over 'In's
for my $Type ('Is', 'In')
{
my %RawNameToFile; ## a per-$Type cache
for my $Name (sort {length $a <=> length $b} keys %{$TableInfo{$Type}})
{
## Note: $Name is already canonical
my $Table = $TableInfo{$Type}->{$Name};
my $IsFuzzy = $FuzzyNames{$Type}->{$Name};
## Need an 8.3 safe filename (which means "an 8 safe" $filename)
my $filename;
{
## 'Is' items lose 'Is' from the basename.
$filename = $Type eq 'Is' ? $Name : "$Type$Name";
$filename =~ s/[^\w_]+/_/g; # "L&" -> "L_"
substr($filename, 8) = '' if length($filename) > 8;
##
## Make sure the basename doesn't conflict with something we
## might have already written. If we have, say,
## InGreekExtended1
## InGreekExtended2
## they become
## InGreekE
## InGreek2
##
while (my $num = $BaseNames{lc $filename}++)
{
$num++; ## so basenames with numbers start with '2', which
## just looks more natural.
## Want to append $num, but if it'll make the basename longer
## than 8 characters, pre-truncate $filename so that the result
## is acceptable.
my $delta = length($filename) + length($num) - 8;
if ($delta > 0) {
substr($filename, -$delta) = $num;
} else {
$filename .= $num;
}
}
};
##
## Construct a nice comment to add to the file, and build data
## for the "./Properties" file along the way.
##
my $Comment;
{
my $Desc = $TableDesc{$Type}->{$Name} || "";
## get list of names this table is reference by
my @Supported = $Name;
while (my ($Orig, $Alias) = each %{ $AliasInfo{$Type} })
{
if ($Orig eq $Name) {
push @Supported, $Alias;
}
}
my $TypeToShow = $Type eq 'Is' ? "" : $Type;
my $OrigProp;
$Comment = "This file supports:\n";
for my $N (@Supported)
{
my $IsFuzzy = $FuzzyNames{$Type}->{$N};
my $Prop = "\\p{$TypeToShow$Name}";
$OrigProp = $Prop if not $OrigProp; #cache for aliases
if ($IsFuzzy) {
$Comment .= "\t$Prop (and fuzzy permutations)\n";
} else {
$Comment .= "\t$Prop\n";
}
my $MyDesc = ($N eq $Name) ? $Desc : "Alias for $OrigProp ($Desc)";
push @MAP, sprintf("%s %-42s %s\n",
$IsFuzzy ? '*' : ' ', $Prop, $MyDesc);
}
if ($Desc) {
$Comment .= "\nMeaning: $Desc\n";
}
}
##
## Okay, write the file...
##
$Table->Write("lib/$filename.pl", $Comment);
## and register it
$RawNameToFile{$Name} = $filename;
RegisterFileForName($Type => $Name, $IsFuzzy, $filename);
if ($IsFuzzy)
{
my $CName = CanonicalName($Type . '_'. $Name);
$FuzzyNameToTest{$Name} = $Table if !$FuzzyNameToTest{$Name};
$FuzzyNameToTest{$CName} = $Table if !$FuzzyNameToTest{$CName};
} else {
$ExactNameToTest{$Name} = $Table;
}
}
## Register aliase info
for my $Name (sort {length $a <=> length $b} keys %{$AliasInfo{$Type}})
{
my $Alias = $AliasInfo{$Type}->{$Name};
my $IsFuzzy = $FuzzyNames{$Type}->{$Alias};
my $filename = $RawNameToFile{$Name};
die "oops [$Alias]->[$Name]" if not $filename;
RegisterFileForName($Type => $Alias, $IsFuzzy, $filename);
my $Table = $TableInfo{$Type}->{$Name};
die "oops" if not $Table;
if ($IsFuzzy)
{
my $CName = CanonicalName($Type .'_'. $Alias);
$FuzzyNameToTest{$Alias} = $Table if !$FuzzyNameToTest{$Alias};
$FuzzyNameToTest{$CName} = $Table if !$FuzzyNameToTest{$CName};
} else {
$ExactNameToTest{$Alias} = $Table;
}
}
}
##
## Write out the property list
##
{
my @OUT = (
"##\n",
"## This file created by $0\n",
"## List of built-in \\p{...}/\\P{...} properties.\n",
"##\n",
"## '*' means name may be 'fuzzy'\n",
"##\n\n",
sort { substr($a,2) cmp substr($b, 2) } @MAP,
);
WriteIfChanged('Properties', @OUT);
}
use Text::Tabs (); ## using this makes the files about half the size
## Write Exact.pl
{
my @OUT = (
$HEADER,
"##\n",
"## Data in this file used by ../utf8_heavy.pl\n",
"##\n\n",
"## Mapping from name to filename in ./lib\n",
"%utf8::Exact = (\n",
);
for my $Name (sort keys %Exact)
{
my $File = $Exact{$Name};
$Name = $Name =~ m/\W/ ? qq/'$Name'/ : " $Name ";
my $Text = sprintf("%-15s => %s,\n", $Name, qq/'$File'/);
push @OUT, Text::Tabs::unexpand($Text);
}
push @OUT, ");\n1;\n";
WriteIfChanged('Exact.pl', @OUT);
}
## Write Canonical.pl
{
my @OUT = (
$HEADER,
"##\n",
"## Data in this file used by ../utf8_heavy.pl\n",
"##\n\n",
"## Mapping from lc(canonical name) to filename in ./lib\n",
"%utf8::Canonical = (\n",
);
my $Trail = ""; ## used just to keep the spacing pretty
for my $Name (sort keys %Canonical)
{
my $File = $Canonical{$Name};
if ($CaComment{$Name}) {
push @OUT, "\n" if not $Trail;
push @OUT, " # $CaComment{$Name}\n";
$Trail = "\n";
} else {
$Trail = "";
}
$Name = $Name =~ m/\W/ ? qq/'$Name'/ : " $Name ";
my $Text = sprintf(" %-41s => %s,\n$Trail", $Name, qq/'$File'/);
push @OUT, Text::Tabs::unexpand($Text);
}
push @OUT, ");\n1\n";
WriteIfChanged('Canonical.pl', @OUT);
}
MakePropTestScript() if $MakeTestScript;
}
sub SpecialCasing_txt()
{
#
# Read in the special cases.
#
my %CaseInfo;
if (not open IN, "SpecialCasing.txt") {
die "$0: SpecialCasing.txt: $!\n";
}
while (<IN>) {
next unless /^[0-9A-Fa-f]+;/;
s/\#.*//;
s/\s+$//;
my ($code, $lower, $title, $upper, $condition) = split(/\s*;\s*/);
if ($condition) { # not implemented yet
print "# SKIPPING $_\n" if $Verbose;
next;
}
# Wait until all the special cases have been read since
# they are not listed in numeric order.
my $ix = hex($code);
push @{$CaseInfo{Lower}}, [ $ix, $code, $lower ]
unless $code eq $lower;
push @{$CaseInfo{Title}}, [ $ix, $code, $title ]
unless $code eq $title;
push @{$CaseInfo{Upper}}, [ $ix, $code, $upper ]
unless $code eq $upper;
}
close IN;
# Now write out the special cases properties in their code point order.
# Prepend them to the To/{Upper,Lower,Title}.pl.
for my $case (qw(Lower Title Upper))
{
my $NormalCase = do "To/$case.pl" || die "$0: $@\n";
my @OUT = (
$HEADER, "\n",
"%utf8::ToSpec$case =\n(\n",
);
for my $prop (sort { $a->[0] <=> $b->[0] } @{$CaseInfo{$case}}) {
my ($ix, $code, $to) = @$prop;
my $tostr =
join "", map { sprintf "\\x{%s}", $_ } split ' ', $to;
push @OUT, sprintf qq['%04X' => "$tostr",\n], $ix;
# Remove any single-character mappings for
# the same character since we are going for
# the special casing rules.
$NormalCase =~ s/^$code\t\t\w+\n//m;
}
push @OUT, (
");\n\n",
"return <<'END';\n",
$NormalCase,
"END\n"
);
WriteIfChanged("To/$case.pl", @OUT);
}
}
#
# Read in the case foldings.
#
# We will do full case folding, C + F + I (see CaseFolding.txt).
#
sub CaseFolding_txt()
{
if (not open IN, "CaseFolding.txt") {
die "$0: CaseFolding.txt: $!\n";
}
my $Fold = Table->New();
my %Fold;
while (<IN>) {
# Skip status 'S', simple case folding
next unless /^([0-9A-Fa-f]+)\s*;\s*([CFI])\s*;\s*([0-9A-Fa-f]+(?: [0-9A-Fa-f]+)*)\s*;/;
my ($code, $status, $fold) = (hex($1), $2, $3);
if ($status eq 'C') { # Common: one-to-one folding
# No append() since several codes may fold into one.
$Fold->RawAppendRange($code, $code, $fold);
} else { # F: full, or I: dotted uppercase I -> dotless lowercase I
$Fold{$code} = $fold;
}
}
close IN;
$Fold->Write("To/Fold.pl");
#
# Prepend the special foldings to the common foldings.
#
my $CommonFold = do "To/Fold.pl" || die "$0: To/Fold.pl: $!\n";
my @OUT = (
$HEADER, "\n",
"%utf8::ToSpecFold =\n(\n",
);
for my $code (sort { $a <=> $b } keys %Fold) {
my $foldstr =
join "", map { sprintf "\\x{%s}", $_ } split ' ', $Fold{$code};
push @OUT, sprintf qq['%04X' => "$foldstr",\n], $code;
}
push @OUT, (
");\n\n",
"return <<'END';\n",
$CommonFold,
"END\n",
);
WriteIfChanged("To/Fold.pl", @OUT);
}
## Do it....
UnicodeData_Txt();
Make_GC_Aliases();
PropList_txt();
Scripts_txt();
Blocks_txt();
WriteAllMappings();
LineBreak_Txt();
ArabicShaping_txt();
Jamo_txt();
SpecialCasing_txt();
CaseFolding_txt();
exit(0);
## TRAILING CODE IS USED BY MakePropTestScript()
__DATA__
use strict;
use warnings;
my $Tests = 0;
my $Fails = 0;
sub Expect($$$)
{
my $Expect = shift;
my $String = shift;
my $Regex = shift;
my $Line = (caller)[2];
$Tests++;
my $RegObj;
my $result = eval {
$RegObj = qr/$Regex/;
$String =~ $RegObj ? 1 : 0
};
if (not defined $result) {
print "couldn't compile /$Regex/ on $0 line $Line: $@\n";
$Fails++;
} elsif ($result ^ $Expect) {
print "bad result (expected $Expect) on $0 line $Line: $@\n";
$Fails++;
}
}
sub Error($)
{
my $Regex = shift;
$Tests++;
if (eval { 'x' =~ qr/$Regex/; 1 }) {
$Fails++;
my $Line = (caller)[2];
print "expected error for /$Regex/ on $0 line $Line: $@\n";
}
}
sub Finished()
{
if ($Fails == 0) {
print "All $Tests tests passed.\n";
exit(0);
} else {
print "$Tests tests, $Fails failed!\n";
exit(-1);
}
}