ljr/local/cgi-bin/LJ/ConvUTF8.pm

48 lines
1.3 KiB
Perl

# this is a small wrapper around Unicode::MapUTF8, just so we can lazily-load it easier
# with Class::Autouse, and so we have a central place to init its charset aliases.
# and in the future if we switch transcoding packages, we can just do it here.
package LJ::ConvUTF8;
use strict;
use warnings;
use Unicode::MapUTF8 ();
BEGIN {
# declare some charset aliases
# we need this at least for cases when the only name supported
# by MapUTF8.pm isn't recognized by browsers
# note: newer versions of MapUTF8 know these
{
my %alias = ( 'windows-1251' => 'cp1251',
'windows-1252' => 'cp1252',
'windows-1253' => 'cp1253', );
foreach (keys %alias) {
next if Unicode::MapUTF8::utf8_supported_charset($_);
Unicode::MapUTF8::utf8_charset_alias($_, $alias{$_});
}
}
}
sub load {
1;
}
sub supported_charset {
my ($class, $charset) = @_;
return Unicode::MapUTF8::utf8_supported_charset($charset);
}
sub from_utf8 {
my ($class, $from_enc, $str) = @_;
return Unicode::MapUTF8::from_utf8({ -string=> $str, -charset => $from_enc });
}
sub to_utf8 {
my ($class, $to_enc, $str) = @_;
return Unicode::MapUTF8::to_utf8({ -string=> $str, -charset => $to_enc });
}
1;