RetroZilla/intl/uconv/tools/cp932tojdx.pl
2015-10-20 23:03:22 -04:00

71 lines
1.3 KiB
Raku

#!/user/local/bin/perl
sub sjistonum()
{
my($sjis) = (@_);
my($first,$second,$jnum);
$first = hex(substr($sjis,2,2));
$second = hex(substr($sjis,4,2));
if($first < 0xE0)
{
$jnum = ($first - 0x81) * ((0xfd - 0x80)+(0x7f - 0x40));
} else {
$jnum = ($first - 0xe0 + (0xa0-0x81)) * ((0xfd - 0x80)+(0x7f - 0x40));
}
if($second >= 0x80)
{
$jnum += $second - 0x80 + (0x7f-0x40);
}
else
{
$jnum += $second - 0x40;
}
return $jnum;
}
@map = {};
sub readtable()
{
open(CP932, "<CP932.TXT") || die "cannot open CP932.TXT";
while(<CP932>)
{
if(! /^#/) {
($j, $u, $r) = split(/\t/,$_);
if(length($j) > 4)
{
$n = &sjistonum($j);
$map{$n} = $u;
}
}
}
}
## add eudc to $map here
sub printtable()
{
for($i=0;$i<94;$i++)
{
printf ( "/* 0x%2XXX */\n", ( $i + 0x21));
printf " ";
for($j=0;$j<94;$j++)
{
if("" == ($map{($i * 94 + $j)}))
{
print "0xFFFD,"
}
else
{
print $map{($i * 94 + $j)} . ",";
}
if( 7 == (($j + 1) % 8))
{
printf "/* 0x%2X%1X%1X*/\n", $i+0x21, 2+($j/16), (6==($j%16))?0:8;
}
}
printf " /* 0x%2X%1X%1X*/\n", $i+0x21, 2+($j/16),(6==($j%16))?0:8;
}
}
&readtable();
&printtable();