December 2008
Intermediate to advanced
912 pages
33h 22m
English
Content preview from CJKV Information Processing, 2nd Edition
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Unicode Code Conversion
|
747
sub DoConv ($) {
if ($i == 8) {
if ($o == 16) {
printf STDOUT "%s¥n",
uc unpack("H*",&UTF32toUTF16(&UTF8toUTF32(pack("H*",$line))));
} elsif ($o == 32) {
printf STDOUT "%s¥n",uc unpack("H*",&UTF8toUTF32(pack("H*",$line)));
}
} elsif ($i == 16) {
if ($o == 8) {
printf STDOUT "%s¥n",
uc unpack("H*",&UTF32toUTF8(&UTF16toUTF32(pack("H*",$line))));
} elsif ($o == 32) {
printf STDOUT "%s¥n",uc unpack("H*",&UTF16toUTF32(pack("H*",$line)));
}
} elsif ($i == 32) {
if ($o == 8) {
printf STDOUT "%s¥n",uc unpack("H*",&UTF32toUTF8(pack("H*",$line)));
} elsif ($o == 16) {
printf STDOUT "%s¥n",uc unpack("H*",&UTF32toUTF16(pack("H*",$line)));
}
}
}
sub UTF16toUTF32 ($) {
my ($bytes) = @_;
if ($bytes =~ /^([¥x00-¥xD7¥xE0-¥xFF][¥x00-¥xFF])$/) {
pack("N",unpack("n",$bytes));
} elsif ($bytes =~ /^([¥xD8-¥xDB][¥x00-¥xFF])([¥xDC-¥xDF][¥x00-¥xFF])$/) {
pack("N",((unpack("n",$1) - 55296) * 1024) + (unpack("n",$2) - 56320) + 65536);
} else {
die "Whoah! Bad UTF-16 data!¥n";
}
}
sub UTF8toUTF32 ($) {
my ($bytes) = @_;
if ($bytes =~ /^([¥x00-¥x7F])$/) {
pack("N",ord($1));
} elsif ($bytes =~ /^([¥xC0-¥xDF])([¥x80-¥xBF])$/) {
pack("N",((ord($1) & 31) << 6) | (ord($2) & 63));
} elsif ($bytes =~ /^([¥xE0-¥xEF])([¥x80-¥xBF])([¥x80-¥xBF])/) {
pack("N",((ord($1) & 15) << 12) | ((ord($2) & 63) << 6) | (ord($3) & 63));
} elsif ($bytes =~ /^([¥xF0-¥xF7])([¥x80-¥xBF])([¥x80-¥xBF])([¥x80-¥xBF])/) ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.