diff options
Diffstat (limited to 'Master/tlpkg/tlperl/lib/utf8_heavy.pl')
| -rw-r--r-- | Master/tlpkg/tlperl/lib/utf8_heavy.pl | 412 |
1 files changed, 0 insertions, 412 deletions
diff --git a/Master/tlpkg/tlperl/lib/utf8_heavy.pl b/Master/tlpkg/tlperl/lib/utf8_heavy.pl deleted file mode 100644 index b6fdeb997b3..00000000000 --- a/Master/tlpkg/tlperl/lib/utf8_heavy.pl +++ /dev/null @@ -1,412 +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 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; - - 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 "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 $file) { - print "found it (file='$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. - ## - if ($Cache{$file} and ref($Cache{$file}) eq $class) - { - print "Returning cached '$file' for \\p{$type}\n" if DEBUG; - return $Cache{$class, $file}; - } - - $list = do $file; - } - - $ListSorted = 1; ## we know that these lists are sorted - } - - my $extras; - my $bits = 0; - - 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]+)/; [ 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 < 32) { - my $top = 0; - while ($list =~ /^([0-9a-fA-F]+)(?:[\t]([0-9a-fA-F]+)?)(?:[ \t]([0-9a-fA-F]+))?/mg) { - my $min = hex $1; - my $max = defined $2 ? hex $2 : $min; - my $val = defined $3 ? hex $3 : 0; - $val += $max - $min if defined $3; - $top = $val if $val > $top; - } - $bits = - $top > 0xffff ? 32 : - $top > 0xff ? 16 : - $top > 1 ? 8 : 1 - } - $bits = $minbits if $bits < $minbits; - - 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, "", 0, 0, 0); - } - elsif (exists &$name) { - $subobj = utf8->SWASHNEW($name, "", 0, 0, 0); - } - elsif ($c =~ /^([0-9a-fA-F]+)/) { - $subobj = utf8->SWASHNEW("", $c, 0, 0, 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 $SWASH; -} - -# NOTE: utf8.c:swash_init() assumes entries are never modified once generated. - -sub SWASHGET { - # See utf8.c:Perl_swash_fetch for problems with this interface. - my ($self, $start, $len) = @_; - local $^D = 0 if $^D; - my $type = $self->{TYPE}; - my $bits = $self->{BITS}; - my $none = $self->{NONE}; - print STDERR "SWASHGET @_ [$type/$bits/$none]\n" if DEBUG; - my $end = $start + $len; - my $swatch = ""; - my $key; - vec($swatch, $len - 1, $bits) = 0; # Extend to correct length. - if ($none) { - for $key (0 .. $len - 1) { vec($swatch, $key, $bits) = $none } - } - - for ($self->{LIST}) { - pos $_ = 0; - if ($bits > 1) { - LINE: - while (/^([0-9a-fA-F]+)(?:[ \t]([0-9a-fA-F]+)?)?(?:[ \t]([0-9a-fA-F]+))?/mg) { - chomp; - my ($a, $b, $c) = ($1, $2, $3); - croak "$type: illegal mapping '$_'" - if $type =~ /^To/ && - !(defined $a && defined $c); - my $min = hex $a; - my $max = defined $b ? hex $b : $min; - my $val = defined $c ? hex $c : 0; - next if $max < $start; - print "$min $max $val\n" if DEBUG; - if ($none) { - if ($min < $start) { - $val += $start - $min if $val < $none; - $min = $start; - } - for ($key = $min; $key <= $max; $key++) { - last LINE if $key >= $end; - print STDERR "$key => $val\n" if DEBUG; - vec($swatch, $key - $start, $bits) = $val; - ++$val if $val < $none; - } - } - else { - if ($min < $start) { - $val += $start - $min; - $min = $start; - } - for ($key = $min; $key <= $max; $key++, $val++) { - last LINE if $key >= $end; - print STDERR "$key => $val\n" if DEBUG; - vec($swatch, $key - $start, $bits) = $val; - } - } - } - } - else { - LINE: - while (/^([0-9a-fA-F]+)(?:[ \t]+([0-9a-fA-F]+))?/mg) { - chomp; - my $min = hex $1; - my $max = defined $2 ? hex $2 : $min; - next if $max < $start; - if ($min < $start) { - $min = $start; - } - for ($key = $min; $key <= $max; $key++) { - last LINE if $key >= $end; - print STDERR "$key => 1\n" if DEBUG; - vec($swatch, $key - $start, 1) = 1; - } - } - } - } - for my $x ($self->{EXTRAS}) { - pos $x = 0; - while ($x =~ /^([-+!&])(.*)/mg) { - my $char = $1; - my $name = $2; - print STDERR "INDIRECT $1 $2\n" if DEBUG; - my $otherbits = $self->{$name}->{BITS}; - croak("SWASHGET size mismatch") if $bits < $otherbits; - my $other = $self->{$name}->SWASHGET($start, $len); - if ($char eq '+') { - if ($bits == 1 and $otherbits == 1) { - $swatch |= $other; - } - else { - for ($key = 0; $key < $len; $key++) { - vec($swatch, $key, $bits) = vec($other, $key, $otherbits); - } - } - } - elsif ($char eq '!') { - if ($bits == 1 and $otherbits == 1) { - $swatch |= ~$other; - } - else { - for ($key = 0; $key < $len; $key++) { - if (!vec($other, $key, $otherbits)) { - vec($swatch, $key, $bits) = 1; - } - } - } - } - elsif ($char eq '-') { - if ($bits == 1 and $otherbits == 1) { - $swatch &= ~$other; - } - else { - for ($key = 0; $key < $len; $key++) { - if (vec($other, $key, $otherbits)) { - vec($swatch, $key, $bits) = 0; - } - } - } - } - elsif ($char eq '&') { - if ($bits == 1 and $otherbits == 1) { - $swatch &= $other; - } - else { - for ($key = 0; $key < $len; $key++) { - if (!vec($other, $key, $otherbits)) { - vec($swatch, $key, $bits) = 0; - } - } - } - } - } - } - if (DEBUG) { - print STDERR "CELLS "; - for ($key = 0; $key < $len; $key++) { - print STDERR vec($swatch, $key, $bits), " "; - } - print STDERR "\n"; - } - $swatch; -} - -1; |