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|
use 5.7.2;
use strict;
use ExtUtils::MakeMaker;
use File::Spec::Functions;
my $name = 'Byte';
my %tables = (
byte_t =>
[
# misc. vendors
# 'gsm0338.ucm', now in Encode::GSM0338
'nextstep.ucm',
'hp-roman8.ucm',
'viscii.ucm',
'adobeStdenc.ucm',
# koi8
'koi8-f.ucm', 'koi8-r.ucm', 'koi8-u.ucm',
# Mac
qw(
macArabic.ucm
macCentEuro.ucm
macCroatian.ucm
macCyrillic.ucm
macFarsi.ucm
macGreek.ucm
macHebrew.ucm
macIceland.ucm
macRoman.ucm
macROMnn.ucm
macRUMnn.ucm
macSami.ucm
macThai.ucm
macTurkish.ucm
macUkraine.ucm
),
],
);
my %not_here =
map {$_ => 1}
(
'8859-1.ucm', 'cp1252.ucm', # default
qw(cp037.ucm cp1026.ucm cp1047.ucm cp500.ucm cp875.ucm), # EBCDIC
qw(cp932.ucm cp936.ucm cp949.ucm cp950.ucm), # CJK
);
opendir(ENC,catdir(updir(),'ucm')) or die $!;
while (defined(my $file = readdir(ENC)))
{
$file =~ /^(8859|cp).*\.ucm$/io or next;
$not_here{$file} and next;
push(@{$tables{byte_t}},$file);
}
closedir(ENC);
WriteMakefile(
INC => "-I../Encode",
NAME => 'Encode::'.$name,
VERSION_FROM => "$name.pm",
OBJECT => '$(O_FILES)',
'dist' => {
COMPRESS => 'gzip -9f',
SUFFIX => 'gz',
DIST_DEFAULT => 'all tardist',
},
MAN3PODS => {},
# OS 390 winges about line numbers > 64K ???
XSOPT => '-nolinenumbers',
);
package MY;
sub post_initialize
{
my ($self) = @_;
my %o;
my $x = $self->{'OBJ_EXT'};
# Add the table O_FILES
foreach my $e (keys %tables)
{
$o{$e.$x} = 1;
}
$o{"$name$x"} = 1;
$self->{'O_FILES'} = [sort keys %o];
my @files = ("$name.xs");
$self->{'C'} = ["$name.c"];
$self->{SOURCE} .= " $name.c"
if $^O eq 'MacOS' && $self->{SOURCE} !~ /\b$name\.c\b/;
$self->{'H'} = [$self->catfile($self->updir,'Encode', 'encode.h')];
my %xs;
foreach my $table (sort keys %tables) {
push (@{$self->{'C'}},"$table.c");
# Do NOT add $table.h etc. to H_FILES unless we own up as to how they
# get built.
foreach my $ext (qw($(OBJ_EXT) .c .h .exh .fnm)) {
push (@files,$table.$ext);
}
$self->{SOURCE} .= " $table.c"
if $^O eq 'MacOS' && $self->{SOURCE} !~ /\b$table\.c\b/;
}
$self->{'XS'} = { "$name.xs" => "$name.c" };
$self->{'clean'}{'FILES'} .= join(' ',@files);
open(XS,">$name.xs") || die "Cannot open $name.xs:$!";
print XS <<'END';
#define PERL_NO_GET_CONTEXT
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
#include "encode.h"
END
foreach my $table (sort keys %tables) {
print XS qq[#include "${table}.h"\n];
}
print XS <<"END";
static void
Encode_XSEncoding(pTHX_ encode_t *enc)
{
dSP;
HV *stash = gv_stashpv("Encode::XS", TRUE);
SV *iv = newSViv(PTR2IV(enc));
SV *sv = sv_bless(newRV_noinc(iv),stash);
int i = 0;
/* with the SvLEN() == 0 hack, PVX won't be freed. We cast away name's
constness, in the hope that perl won't mess with it. */
assert(SvTYPE(iv) >= SVt_PV); assert(SvLEN(iv) == 0);
SvFLAGS(iv) |= SVp_POK;
SvPVX(iv) = (char*) enc->name[0];
PUSHMARK(sp);
XPUSHs(sv);
while (enc->name[i])
{
const char *name = enc->name[i++];
XPUSHs(sv_2mortal(newSVpvn(name,strlen(name))));
}
PUTBACK;
call_pv("Encode::define_encoding",G_DISCARD);
SvREFCNT_dec(sv);
}
MODULE = Encode::$name PACKAGE = Encode::$name
PROTOTYPES: DISABLE
BOOT:
{
END
foreach my $table (sort keys %tables) {
print XS qq[#include "${table}.exh"\n];
}
print XS "}\n";
close(XS);
return "# Built $name.xs\n\n";
}
sub postamble
{
my $self = shift;
my $dir = $self->catdir($self->updir,'ucm');
my $str = "# $name\$(OBJ_EXT) depends on .h and .exh files not .c files - but all written by enc2xs\n";
$str .= "$name.c : $name.xs ";
foreach my $table (sort keys %tables)
{
$str .= " $table.c";
}
$str .= "\n\n";
$str .= "$name\$(OBJ_EXT) : $name.c\n\n";
my $enc2xs = $self->catfile($self->updir,'bin', 'enc2xs');
foreach my $table (sort keys %tables)
{
my $numlines = 1;
my $lengthsofar = length($str);
my $continuator = '';
$str .= "$table.c : $enc2xs Makefile.PL";
foreach my $file (@{$tables{$table}})
{
$str .= $continuator.' '.$self->catfile($dir,$file);
if ( length($str)-$lengthsofar > 128*$numlines )
{
$continuator .= " \\\n\t";
$numlines++;
} else {
$continuator = '';
}
}
my $plib = $self->{PERL_CORE} ? '"-I$(PERL_LIB)"' : '';
$plib .= " -MCross=$::Cross::platform" if defined $::Cross::platform;
my $ucopts = '-"Q" -"O"';
$str .=
qq{\n\t\$(PERL) $plib $enc2xs $ucopts -o \$\@ -f $table.fnm\n\n};
open (FILELIST, ">$table.fnm")
|| die "Could not open $table.fnm: $!";
foreach my $file (@{$tables{$table}})
{
print FILELIST $self->catfile($dir,$file) . "\n";
}
close(FILELIST);
}
return $str;
}
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