summaryrefslogtreecommitdiffstats
path: root/chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl
diff options
context:
space:
mode:
Diffstat (limited to 'chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl')
-rw-r--r--chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl286
1 files changed, 0 insertions, 286 deletions
diff --git a/chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl b/chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl
deleted file mode 100644
index b6b6b6e215d..00000000000
--- a/chromium/third_party/cygwin/lib/perl5/5.10/utf8_heavy.pl
+++ /dev/null
@@ -1,286 +0,0 @@
-package utf8;
-use strict;
-use warnings;
-
-sub DEBUG () { 0 }
-
-sub DESTROY {}
-
-my %Cache;
-
-our (%PropertyAlias, %PA_reverse, %PropValueAlias, %PVA_reverse, %PVA_abbr_map);
-
-sub croak { require Carp; Carp::croak(@_) }
-
-##
-## "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 {
- my ($class, $type, $list, $minbits, $none) = @_;
- local $^D = 0 if $^D;
-
- print STDERR "SWASHNEW @_\n" if DEBUG;
-
- ##
- ## Get the list of codepoints for the type.
- ## Called from swash_init (see utf8.c) or SWASHNEW itself.
- ##
- ## Callers of swash_init:
- ## op.c:pmtrans -- for tr/// and y///
- ## regexec.c:regclass_swash -- for /[]/, \p, and \P
- ## utf8.c:is_utf8_common -- for common Unicode properties
- ## utf8.c:to_utf8_case -- for lc, uc, ucfirst, etc. and //i
- ##
- ## Given a $type, our goal is to fill $list with the set of codepoint
- ## ranges. If $type is false, $list passed is used.
- ##
- ## $minbits:
- ## For binary properties, $minbits must be 1.
- ## For character mappings (case and transliteration), $minbits must
- ## be a number except 1.
- ##
- ## $list (or that filled according to $type):
- ## Refer to perlunicode.pod, "User-Defined Character Properties."
- ##
- ## For binary properties, only characters with the property value
- ## of True should be listed. The 3rd column, if any, will be ignored.
- ##
- ## 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 STDERR "type = $type\n" if DEBUG;
-
- GETFILE:
- {
- ##
- ## It could be a user-defined property.
- ##
-
- my $caller1 = $type =~ s/(.+)::// ? $1 : caller(1);
-
- if (defined $caller1 && $type =~ /^(?:\w+)$/) {
- my $prop = "${caller1}::$type";
- if (exists &{$prop}) {
- no strict 'refs';
-
- $list = &{$prop};
- last GETFILE;
- }
- }
-
- my $wasIs;
-
- ($wasIs = $type =~ s/^Is(?:\s+|[-_])?//i)
- or
- $type =~ s/^(?:(?:General(?:\s+|_)?)?Category|gc)\s*[:=]\s*//i
- or
- $type =~ s/^(?:Script|sc)\s*[:=]\s*//i
- or
- $type =~ s/^Block\s*[:=]\s*/In/i;
-
-
- ##
- ## See if it's in some enumeration.
- ##
- require "unicore/PVA.pl";
- if ($type =~ /^([\w\s]+)[:=]\s*(.*)/) {
- my ($enum, $val) = (lc $1, lc $2);
- $enum =~ tr/ _-//d;
- $val =~ tr/ _-//d;
-
- my $pa = $PropertyAlias{$enum} ? $enum : $PA_reverse{$enum};
- my $f = $PropValueAlias{$pa}{$val} ? $val : $PVA_reverse{$pa}{lc $val};
-
- if ($pa and $f) {
- $pa = "gc_sc" if $pa eq "gc" or $pa eq "sc";
- $file = "unicore/lib/$pa/$PVA_abbr_map{$pa}{lc $f}.pl";
- last GETFILE;
- }
- }
- else {
- my $t = lc $type;
- $t =~ tr/ _-//d;
-
- if ($PropValueAlias{gc}{$t} or $PropValueAlias{sc}{$t}) {
- $file = "unicore/lib/gc_sc/$PVA_abbr_map{gc_sc}{$t}.pl";
- last GETFILE;
- }
- }
-
- ##
- ## See if it's in the direct mapping table.
- ##
- require "unicore/Exact.pl";
- if (my $base = $utf8::Exact{$type}) {
- $file = "unicore/lib/gc_sc/$base.pl";
- last GETFILE;
- }
-
- ##
- ## If not there exactly, try the canonical form. The canonical
- ## form is lowercased, with any separators (\s+|[-_]) removed.
- ##
- my $canonical = lc $type;
- $canonical =~ s/(?<=[a-z\d])(?:\s+|[-_])(?=[a-z\d])//g;
- print STDERR "canonical = $canonical\n" if DEBUG;
-
- require "unicore/Canonical.pl";
- if (my $base = ($utf8::Canonical{$canonical} || $utf8::Canonical{ lc $utf8::PropertyAlias{$canonical} })) {
- $file = "unicore/lib/gc_sc/$base.pl";
- last GETFILE;
- }
-
- ##
- ## See if it's a user-level "To".
- ##
-
- my $caller0 = caller(0);
-
- if (defined $caller0 && $type =~ /^To(?:\w+)$/) {
- my $map = $caller0 . "::" . $type;
-
- if (exists &{$map}) {
- no strict 'refs';
-
- $list = &{$map};
- 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.
- ##
- if ($type =~ /^To(Digit|Fold|Lower|Title|Upper)$/) {
- $file = "unicore/To/$1.pl";
- ## 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 $file) {
- print STDERR "found it (file='$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
- ## class and file to load.
- ##
- my $found = $Cache{$class, $file};
- if ($found and ref($found) eq $class) {
- print STDERR "Returning cached '$file' for \\p{$type}\n" if DEBUG;
- return $found;
- }
-
- $list = do $file; die $@ if $@;
- }
-
- $ListSorted = 1; ## we know that these lists are sorted
- }
-
- my $extras;
- my $bits = $minbits;
-
- my $ORIG = $list;
- if ($list) {
- my @tmp = split(/^/m, $list);
- my %seen;
- no warnings;
- $extras = join '', grep /^[^0-9a-fA-F]/, @tmp;
- $list = join '',
- map { $_->[1] }
- sort { $a->[0] <=> $b->[0] }
- map { /^([0-9a-fA-F]+)/; [ CORE::hex($1), $_ ] }
- grep { /^([0-9a-fA-F]+)/ and not $seen{$1}++ } @tmp; # XXX doesn't do ranges right
- }
-
- if ($none) {
- my $hextra = sprintf "%04x", $none + 1;
- $list =~ s/\tXXXX$/\t$hextra/mg;
- }
-
- if ($minbits != 1 && $minbits < 32) { # not binary property
- my $top = 0;
- while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ \t]([0-9a-fA-F]+))?/mg) {
- my $min = CORE::hex $1;
- my $max = defined $2 ? CORE::hex $2 : $min;
- my $val = defined $3 ? CORE::hex $3 : 0;
- $val += $max - $min if defined $3;
- $top = $val if $val > $top;
- }
- my $topbits =
- $top > 0xffff ? 32 :
- $top > 0xff ? 16 : 8;
- $bits = $topbits if $bits < $topbits;
- }
-
- my @extras;
- for my $x ($extras) {
- pos $x = 0;
- while ($x =~ /^([^0-9a-fA-F\n])(.*)/mg) {
- my $char = $1;
- my $name = $2;
- print STDERR "$1 => $2\n" if DEBUG;
- if ($char =~ /[-+!&]/) {
- my ($c,$t) = split(/::/, $name, 2); # bogus use of ::, really
- my $subobj;
- if ($c eq 'utf8') {
- $subobj = utf8->SWASHNEW($t, "", $minbits, 0);
- }
- elsif (exists &$name) {
- $subobj = utf8->SWASHNEW($name, "", $minbits, 0);
- }
- elsif ($c =~ /^([0-9a-fA-F]+)/) {
- $subobj = utf8->SWASHNEW("", $c, $minbits, 0);
- }
- return $subobj unless ref $subobj;
- push @extras, $name => $subobj;
- $bits = $subobj->{BITS} if $bits < $subobj->{BITS};
- }
- }
- }
-
- print STDERR "CLASS = $class, TYPE => $type, BITS => $bits, NONE => $none\nEXTRAS =>\n$extras\nLIST =>\n$list\n" if DEBUG;
-
- my $SWASH = bless {
- TYPE => $type,
- BITS => $bits,
- EXTRAS => $extras,
- LIST => $list,
- NONE => $none,
- @extras,
- } => $class;
-
- if ($file) {
- $Cache{$class, $file} = $SWASH;
- }
-
- return $SWASH;
-}
-
-# Now SWASHGET is recasted into a C function S_swash_get (see utf8.c).
-
-1;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-08 01:15:49 +0000