#!../../perl -w
BEGIN {
@INC = '../../lib';
$ENV{PATH} .= ';../..' if $^O eq 'MSWin32';
}
use strict;
use Getopt::Std;
my @orig_ARGV = @ARGV;
my $perforce = '$Id$';
sub encode_U
{
# UTF-8 encode long hand - only covers part of perl's range
my $uv = shift;
# chr() works in native space so convert value from table
# into that space before using chr().
my $ch = chr(utf8::unicode_to_native($uv));
# Now get core perl to encode that the way it likes.
utf8::encode($ch);
return $ch;
}
sub encode_S
{
# encode single byte
my ($ch,$page) = @_;
return chr($ch);
}
sub encode_D
{
# encode double byte MS byte first
my ($ch,$page) = @_;
return chr($page).chr($ch);
}
sub encode_M
{
# encode Multi-byte - single for 0..255 otherwise double
my ($ch,$page) = @_;
return &encode_D if $page;
return &encode_S;
}
# Win32 does not expand globs on command line
eval "\@ARGV = map(glob(\$_),\@ARGV)" if ($^O eq 'MSWin32');
my %opt;
getopts('qo:f:n:',\%opt);
my $cname = (exists $opt{'o'}) ? $opt{'o'} : shift(@ARGV);
chmod(0666,$cname) if -f $cname && !-w $cname;
open(C,">$cname") || die "Cannot open $cname:$!";
my $dname = $cname;
$dname =~ s/(\.[^\.]*)?$/.def/;
my ($doC,$doEnc,$doUcm,$doPet);
if ($cname =~ /\.(c|xs)$/)
{
$doC = 1;
chmod(0666,$dname) if -f $cname && !-w $dname;
open(D,">$dname") || die "Cannot open $dname:$!";
my $hname = $cname;
$hname =~ s/(\.[^\.]*)?$/.h/;
chmod(0666,$hname) if -f $cname && !-w $hname;
open(H,">$hname") || die "Cannot open $hname:$!";
foreach my $fh (\*C,\*D,\*H)
{
print $fh <<"END" unless $opt{'q'};
/*
!!!!!!! DO NOT EDIT THIS FILE !!!!!!!
This file was autogenerated by:
$^X $0 $cname @orig_ARGV
(Repository $perforce)
*/
END
}
if ($cname =~ /(\w+)\.xs$/)
{
print C "#include <EXTERN.h>\n";
print C "#include <perl.h>\n";
print C "#include <XSUB.h>\n";
print C "#define U8 U8\n";
}
print C "#include \"encode.h\"\n";
}
elsif ($cname =~ /\.enc$/)
{
$doEnc = 1;
}
elsif ($cname =~ /\.ucm$/)
{
$doUcm = 1;
}
elsif ($cname =~ /\.pet$/)
{
$doPet = 1;
}
my @encfiles;
if (exists $opt{'f'})
{
# -F is followed by name of file containing list of filenames
my $flist = $opt{'f'};
open(FLIST,$flist) || die "Cannot open $flist:$!";
chomp(@encfiles = <FLIST>);
close(FLIST);
}
else
{
@encfiles = @ARGV;
}
my %encoding;
my %strings;
sub cmp_name
{
if ($a =~ /^.*-(\d+)/)
{
my $an = $1;
if ($b =~ /^.*-(\d+)/)
{
my $r = $an <=> $1;
return $r if $r;
}
}
return $a cmp $b;
}
foreach my $enc (sort cmp_name @encfiles)
{
my ($name,$sfx) = $enc =~ /^.*?([\w-]+)\.(enc|ucm)$/;
$name = $opt{'n'} if exists $opt{'n'};
if (open(E,$enc))
{
if ($sfx eq 'enc')
{
compile_enc(\*E,lc($name));
}
else
{
compile_ucm(\*E,lc($name));
}
}
else
{
warn "Cannot open $enc for $name:$!";
}
}
if ($doC)
{
foreach my $name (sort cmp_name keys %encoding)
{
my ($e2u,$u2e,$erep,$min_el,$max_el) = @{$encoding{$name}};
output(\*C,$name.'_utf8',$e2u);
output(\*C,'utf8_'.$name,$u2e);
push(@{$encoding{$name}},outstring(\*C,$e2u->{Cname}.'_def',$erep));
}
foreach my $enc (sort cmp_name keys %encoding)
{
my ($e2u,$u2e,$rep,$min_el,$max_el,$rsym) = @{$encoding{$enc}};
my @info = ($e2u->{Cname},$u2e->{Cname},$rsym,length($rep),$min_el,$max_el);
my $sym = "${enc}_encoding";
$sym =~ s/\W+/_/g;
print C "encode_t $sym = \n";
print C " {",join(',',@info,"{\"$enc\",(const char *)0}"),"};\n\n";
}
foreach my $enc (sort cmp_name keys %encoding)
{
my $sym = "${enc}_encoding";
$sym =~ s/\W+/_/g;
print H "extern encode_t $sym;\n";
print D " Encode_Define(aTHX_ &$sym);\n";
}
if ($cname =~ /(\w+)\.xs$/)
{
my $mod = $1;
print C "\nMODULE = Encode::$mod\tPACKAGE = Encode::$mod\n\n";
print C "BOOT:\n{\n";
print C "#include \"$dname\"\n";
print C "}\n";
}
close(D);
close(H);
}
elsif ($doEnc)
{
foreach my $name (sort cmp_name keys %encoding)
{
my ($e2u,$u2e,$erep,$min_el,$max_el) = @{$encoding{$name}};
output_enc(\*C,$name,$e2u);
}
}
elsif ($doUcm)
{
foreach my $name (sort cmp_name keys %encoding)
{
my ($e2u,$u2e,$erep,$min_el,$max_el) = @{$encoding{$name}};
output_ucm(\*C,$name,$u2e,$erep,$min_el,$max_el);
}
}
close(C);
sub compile_ucm
{
my ($fh,$name) = @_;
my $e2u = {};
my $u2e = {};
my $cs;
my %attr;
while (<$fh>)
{
s/#.*$//;
last if /^\s*CHARMAP\s*$/i;
if (/^\s*<(\w+)>\s+"?([^"]*)"?\s*$/i)
{
$attr{$1} = $2;
}
}
if (!defined($cs = $attr{'code_set_name'}))
{
warn "No <code_set_name> in $name\n";
}
else
{
$name = $cs unless exists $opt{'n'};
}
my $erep;
my $urep;
my $max_el;
my $min_el;
if (exists $attr{'subchar'})
{
my @byte;
$attr{'subchar'} =~ /^\s*/cg;
push(@byte,$1) while $attr{'subchar'} =~ /\G\\x([0-9a-f]+)/icg;
$erep = join('',map(chr(hex($_)),@byte));
}
print "Scanning $name ($cs)\n";
my $nfb = 0;
my $hfb = 0;
while (<$fh>)
{
s/#.*$//;
last if /^\s*END\s+CHARMAP\s*$/i;
next if /^\s*$/;
my ($u,@byte);
my $fb = '';
$u = $1 if (/^<U([0-9a-f]+)>\s+/igc);
push(@byte,$1) while /\G\\x([0-9a-f]+)/igc;
$fb = $1 if /\G\s*(\|[0-3])/gc;
# warn "$_: $u @byte | $fb\n";
die "Bad line:$_" unless /\G\s*(#.*)?$/gc;
if (defined($u))
{
my $uch = encode_U(hex($u));
my $ech = join('',map(chr(hex($_)),@byte));
my $el = length($ech);
$max_el = $el if (!defined($max_el) || $el > $max_el);
$min_el = $el if (!defined($min_el) || $el < $min_el);
if (length($fb))
{
$fb = substr($fb,1);
$hfb++;
}
else
{
$nfb++;
$fb = '0';
}
# $fb is fallback flag
# 0 - round trip safe
# 1 - fallback for unicode -> enc
# 2 - skip sub-char mapping
# 3 - fallback enc -> unicode
enter($u2e,$uch,$ech,$u2e,$fb+0) if ($fb =~ /[01]/);
enter($e2u,$ech,$uch,$e2u,$fb+0) if ($fb =~ /[03]/);
}
else
{
warn $_;
}
}
if ($nfb && $hfb)
{
die "$nfb entries without fallback, $hfb entries with\n";
}
$encoding{$name} = [$e2u,$u2e,$erep,$min_el,$max_el];
}
sub compile_enc
{
my ($fh,$name) = @_;
my $e2u = {};
my $u2e = {};
my $type;
while ($type = <$fh>)
{
last if $type !~ /^\s*#/;
}
chomp($type);
return if $type eq 'E';
my ($def,$sym,$pages) = split(/\s+/,scalar(<$fh>));
warn "$type encoded $name\n";
my $rep = '';
my $min_el;
my $max_el;
{
my $v = hex($def);
no strict 'refs';
$rep = &{"encode_$type"}($v & 0xFF, ($v >> 8) & 0xffe);
}
my %seen;
while ($pages--)
{
my $line = <$fh>;
chomp($line);
my $page = hex($line);
my $ch = 0;
for (my $i = 0; $i < 16; $i++)
{
my $line = <$fh>;
for (my $j = 0; $j < 16; $j++)
{
no strict 'refs';
my $ech = &{"encode_$type"}($ch,$page);
my $val = hex(substr($line,0,4,''));
next if $val == 0xFFFD;
if ($val || (!$ch && !$page))
{
my $el = length($ech);
$max_el = $el if (!defined($max_el) || $el > $max_el);
$min_el = $el if (!defined($min_el) || $el < $min_el);
my $uch = encode_U($val);
if (exists $seen{$uch})
{
warn sprintf("U%04X is %02X%02X and %02X%02X\n",
$val,$page,$ch,@{$seen{$uch}});
}
else
{
$seen{$uch} = [$page,$ch];
}
enter($e2u,$ech,$uch,$e2u,0);
enter($u2e,$uch,$ech,$u2e,0);
}
else
{
# No character at this position
# enter($e2u,$ech,undef,$e2u);
}
$ch++;
}
}
}
$encoding{$name} = [$e2u,$u2e,$rep,$min_el,$max_el];
}
sub enter
{
my ($a,$s,$d,$t,$fb) = @_;
$t = $a if @_ < 4;
my $b = substr($s,0,1);
my $e = $a->{$b};
unless ($e)
{ # 0 1 2 3 4 5
$e = [$b,$b,'',{},length($s),0,$fb];
$a->{$b} = $e;
}
if (length($s) > 1)
{
enter($e->[3],substr($s,1),$d,$t,$fb);
}
else
{
$e->[2] = $d;
$e->[3] = $t;
$e->[5] = length($d);
}
}
sub outstring
{
my ($fh,$name,$s) = @_;
my $sym = $strings{$s};
unless ($sym)
{
foreach my $o (keys %strings)
{
my $i = index($o,$s);
if ($i >= 0)
{
$sym = $strings{$o};
$sym .= sprintf("+0x%02x",$i) if ($i);
return $sym;
}
}
$strings{$s} = $sym = $name;
printf $fh "\nstatic const U8 %s[%d] =\n",$name,length($s);
# Do in chunks of 16 chars to constrain line length
# Assumes ANSI C adjacent string litteral concatenation
while (length($s))
{
my $c = substr($s,0,16,'');
print $fh '"',join('',map(sprintf('\x%02x',ord($_)),split(//,$c))),'"';
print $fh "\n" if length($s);
}
printf $fh ";\n";
}
return $sym;
}
sub process
{
my ($name,$a) = @_;
$name =~ s/\W+/_/g;
$a->{Cname} = $name;
my @keys = grep(ref($a->{$_}),sort keys %$a);
my $l;
my @ent;
foreach my $b (@keys)
{
my ($s,$f,$out,$t,$end) = @{$a->{$b}};
if (defined($l) &&
ord($b) == ord($a->{$l}[1])+1 &&
$a->{$l}[3] == $a->{$b}[3] &&
$a->{$l}[4] == $a->{$b}[4] &&
$a->{$l}[5] == $a->{$b}[5] &&
$a->{$l}[6] == $a->{$b}[6]
# && length($a->{$l}[2]) < 16
)
{
my $i = ord($b)-ord($a->{$l}[0]);
$a->{$l}[1] = $b;
$a->{$l}[2] .= $a->{$b}[2];
}
else
{
$l = $b;
push(@ent,$b);
}
if (exists $t->{Cname})
{
$t->{'Forward'} = 1 if $t != $a;
}
else
{
process(sprintf("%s_%02x",$name,ord($s)),$t);
}
}
if (ord($keys[-1]) < 255)
{
my $t = chr(ord($keys[-1])+1);
$a->{$t} = [$t,chr(255),undef,$a,0,0];
push(@ent,$t);
}
$a->{'Entries'} = \@ent;
}
sub outtable
{
my ($fh,$a) = @_;
my $name = $a->{'Cname'};
# String tables
foreach my $b (@{$a->{'Entries'}})
{
next unless $a->{$b}[5];
my $s = ord($a->{$b}[0]);
my $e = ord($a->{$b}[1]);
outstring($fh,sprintf("%s__%02x_%02x",$name,$s,$e),$a->{$b}[2]);
}
if ($a->{'Forward'})
{
print $fh "\nstatic encpage_t $name\[",scalar(@{$a->{'Entries'}}),"];\n";
}
$a->{'Done'} = 1;
foreach my $b (@{$a->{'Entries'}})
{
my ($s,$e,$out,$t,$end,$l) = @{$a->{$b}};
outtable($fh,$t) unless $t->{'Done'};
}
print $fh "\nstatic encpage_t $name\[",scalar(@{$a->{'Entries'}}),"] = {\n";
foreach my $b (@{$a->{'Entries'}})
{
my ($s,$e,$out,$t,$end,$l,$fb) = @{$a->{$b}};
my $sc = ord($s);
my $ec = ord($e);
$end |= 0x80 if $fb;
print $fh "{";
if ($l)
{
printf $fh outstring($fh,'',$out);
}
else
{
print $fh "0";
}
print $fh ",",$t->{Cname};
printf $fh ",0x%02x,0x%02x,$l,$end},\n",$sc,$ec;
}
print $fh "};\n";
}
sub output
{
my ($fh,$name,$a) = @_;
process($name,$a);
# Sub-tables
outtable($fh,$a);
}
sub output_enc
{
my ($fh,$name,$a) = @_;
foreach my $b (sort keys %$a)
{
my ($s,$e,$out,$t,$end,$l,$fb) = @{$a->{$b}};
}
}
sub decode_U
{
my $s = shift;
}
my @uname;
sub char_names
{
my $s = do "unicode/Name.pl";
pos($s) = 0;
while ($s =~ /\G([0-9a-f]+)\t([0-9a-f]*)\t(.*?)\s*\n/igc)
{
my $name = $3;
my $s = hex($1);
last if $s >= 0x10000;
my $e = length($2) ? hex($2) : $s;
for (my $i = $s; $i <= $e; $i++)
{
$uname[$i] = $name;
# print sprintf("U%04X $name\n",$i);
}
}
}
sub output_ucm_page
{
my ($cmap,$a,$t,$pre) = @_;
# warn sprintf("Page %x\n",$pre);
foreach my $b (sort keys %$t)
{
my ($s,$e,$out,$n,$end,$l,$fb) = @{$t->{$b}};
die "oops $s $e" unless $s eq $e;
my $u = ord($s);
if ($n != $a && $n != $t)
{
output_ucm_page($cmap,$a,$n,(($pre|($u &0x3F)) << 6)&0xFFFF);
}
elsif (length($out))
{
if ($pre)
{
$u = $pre|($u &0x3f);
}
my $s = sprintf "<U%04X> ",$u;
foreach my $c (split(//,$out))
{
$s .= sprintf "\\x%02X",ord($c);
}
$s .= sprintf " |%d # %s\n",($fb ? 1 : 0),$uname[$u];
push(@$cmap,$s);
}
else
{
warn join(',',@{$t->{$b}},$a,$t);
}
}
}
sub output_ucm
{
my ($fh,$name,$h,$rep,$min_el,$max_el) = @_;
print $fh "# Written $perforce\n# $0 @orig_ARGV\n" unless $opt{'q'};
print $fh "<code_set_name> \"$name\"\n";
char_names();
if (defined $min_el)
{
print $fh "<mb_cur_min> $min_el\n";
}
if (defined $max_el)
{
print $fh "<mb_cur_max> $max_el\n";
}
if (defined $rep)
{
print $fh "<subchar> ";
foreach my $c (split(//,$rep))
{
printf $fh "\\x%02X",ord($c);
}
print $fh "\n";
}
my @cmap;
output_ucm_page(\@cmap,$h,$h,0);
print $fh "#\nCHARMAP\n";
foreach my $line (sort { substr($a,8) cmp substr($b,8) } @cmap)
{
print $fh $line;
}
print $fh "END CHARMAP\n";
}