utf8_heavy.pl revision 7c478bd95313f5f23a4c958a745db2134aa03244
package utf8;
use strict;
use warnings;
sub DEBUG () { 0 }
sub DESTROY {}
my %Cache;
##
## "SWASH" == "SWATCH HASH". A "swatch" is a swatch of the Unicode landscape.
## It's a data structure that encodes a set of Unicode characters.
##
sub SWASHNEW {
local $^D = 0 if $^D;
##
## Get the list of codepoints for the type.
## Called from utf8.c
##
## Given a $type, our goal is to fill $list with the set of codepoint
## ranges.
##
## To make the parsing of $type clear, this code takes the a rather
## unorthodox approach of last'ing out of the block once we have the
## info we need. Were this to be a subroutine, the 'last' would just
## be a 'return'.
##
my $file; ## file to load data from, and also part of the %Cache key.
my $ListSorted = 0;
if ($type)
{
$type =~ s/^\s+//;
$type =~ s/\s+$//;
print "type = $type\n" if DEBUG;
{
##
## 'Is' is always optional, so if it's there, remove it.
## Same with 'Category=' and 'Script='.
##
## 'Block=' is replaced by 'In'.
##
my $wasIs;
or
or
or
##
## See if it's in the direct mapping table.
##
last GETFILE;
}
##
## If not there exactly, try the canonical form. The canonical
## form is lowercased, with any separators (\s+|[-_]) removed.
##
$canonical =~ s/(?<=[a-z\d])(?:\s+|[-_])(?=[a-z\d])//g;
print "canonical = $canonical\n" if DEBUG;
require "unicore/Canonical.pl";
last GETFILE;
}
##
## It could be a user-defined property.
##
my $caller1 = caller(1);
if (exists &{$prop}) {
no strict 'refs';
last GETFILE;
}
}
##
## See if it's a user-level "To".
##
my $caller0 = caller(0);
if (exists &{$map}) {
no strict 'refs';
last GETFILE;
}
}
##
## Last attempt -- see if it's a standard "To" name
## (e.g. "ToLower") ToTitle is used by ucfirst().
## The user-level way to access ToDigit() and ToFold()
## is to use Unicode::UCD.
##
{
## would like to test to see if $file actually exists....
last GETFILE;
}
##
## If we reach this line, it's because we couldn't figure
## out what to do with $type. Ouch.
##
return $type;
}
if (defined $file) {
print "found it (file='$file')\n" if DEBUG;
##
## If we reach here, it was due to a 'last GETFILE' above
## (exception: user-defined properties and mappings), so we
## have a filename, so now we load it if we haven't already.
## If we have, return the cached results. The cache key is the
## file to load.
##
{
print "Returning cached '$file' for \\p{$type}\n" if DEBUG;
}
}
}
my $extras;
my $bits = 0;
if ($list) {
my %seen;
no warnings;
$list = join '',
map { $_->[1] }
sort { $a->[0] <=> $b->[0] }
}
if ($none) {
}
if ($minbits < 32) {
my $top = 0;
my $min = hex $1;
}
$bits =
}
my @extras;
for my $x ($extras) {
pos $x = 0;
my $char = $1;
my $name = $2;
if ($char =~ /[-+!]/) {
my $subobj;
if ($c eq 'utf8') {
}
}
}
}
}
print STDERR "CLASS = $class, TYPE => $type, BITS => $bits, NONE => $none\nEXTRAS =>\n$extras\nLIST =>\n$list\n" if DEBUG;
my $SWASH = bless {
@extras,
} => $class;
if ($file) {
}
return $SWASH;
}
# NOTE: utf8.c:swash_init() assumes entries are never modified once generated.
sub SWASHGET {
# See utf8.c:Perl_swash_fetch for problems with this interface.
local $^D = 0 if $^D;
my $swatch = "";
my $key;
if ($none) {
}
pos $_ = 0;
if ($bits > 1) {
LINE:
chomp;
my ($a, $b, $c) = ($1, $2, $3);
croak "$type: illegal mapping '$_'"
!(defined $a && defined $c);
my $min = hex $a;
my $val = defined $c ? hex $c : 0;
print "$min $max $val\n" if DEBUG;
if ($none) {
}
}
}
else {
}
}
}
}
}
else {
LINE:
chomp;
my $min = hex $1;
}
}
}
}
}
pos $x = 0;
while ($x =~ /^([-+!])(.*)/mg) {
my $char = $1;
my $name = $2;
if ($char eq '+') {
}
else {
}
}
}
elsif ($char eq '!') {
}
else {
}
}
}
}
elsif ($char eq '-') {
}
else {
}
}
}
}
}
}
if (DEBUG) {
print STDERR "CELLS ";
}
print STDERR "\n";
}
$swatch;
}
1;