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Encoding.pm
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Encoding.pm
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=head1 NAME
Encode::JP::Emoji::Encoding - Emoji encodings
=head1 DESCRIPTION
This module implements all encodings provided by the package.
Use L<Encode::JP::Emoji> instead of loading this module directly.
=head1 AUTHOR
Yusuke Kawasaki, L<http://www.kawa.net/>
=head1 SEE ALSO
L<Encode::JP::Emoji>
=head1 COPYRIGHT
Copyright 2009-2010 Yusuke Kawasaki, all rights reserved.
=cut
use strict;
use warnings;
package Encode::JP::Emoji::Encoding;
use base qw(Encode::Encoding);
use Encode::JP::Emoji::Mapping;
use Carp ();
use Encode ();
our $VERSION = '0.60';
my $ascii_encoding = Encode::find_encoding('us-ascii');
sub sub_check {
my $check = $_[1];
return $check unless $check; # undef or 0
return $check if ref $check; # sub-routine
return sub {
$ascii_encoding->encode(chr $_[0], $check);
}
}
sub no_sub_check {
my $check = $_[1];
$check;
}
sub decode {
my ($self, $octets, $check) = @_;
return undef unless defined $octets;
$check ||=0;
my $subcheck = $self->sub_check($check);
my $nosubcheck = $self->no_sub_check($check);
my $copy = $octets if $check and !($check & Encode::LEAVE_SRC());
$octets .= '' if ref $octets; # stringify;
$self->before_decode($octets, $subcheck);
my $string = $self->byte_encoding->decode($octets, $nosubcheck);
$self->after_decode($string, $subcheck);
$_[1] = $copy if $check and !($check & Encode::LEAVE_SRC());
$string;
}
sub encode {
my ($self, $string, $check) = @_;
return undef unless defined $string;
$check ||=0;
my $subcheck = $self->sub_check($check);
my $nosubcheck = $self->no_sub_check($check);
my $copy = $string if $check and !($check & Encode::LEAVE_SRC());
$string .= '' if ref $string; # stringify;
$self->before_encode($string, $subcheck);
my $octets = $self->byte_encoding->encode($string, $nosubcheck);
$self->after_encode($octets, $subcheck);
$_[1] = $copy if $check and !($check & Encode::LEAVE_SRC());
$octets;
}
sub before_decode {}
sub after_decode {}
sub before_encode {}
sub after_encode {}
sub byte_encoding { Carp::croak "byte_encoding not implemented"; }
# Shift_JIS Base
package Encode::JP::Emoji::Encoding::Shift_JIS;
use base 'Encode::JP::Emoji::Encoding';
sub mime_name { 'Shift_JIS'; }
my $cp932_encoding = Encode::find_encoding('cp932');
sub byte_encoding {
$cp932_encoding;
}
# UTF8 Base
package Encode::JP::Emoji::Encoding::UTF8;
use base 'Encode::JP::Emoji::Encoding';
__PACKAGE__->Define('x-utf8-emoji-docomo-pp');
__PACKAGE__->Define('x-utf8-emoji-kddiapp-pp');
__PACKAGE__->Define('x-utf8-emoji-kddiweb-pp');
__PACKAGE__->Define('x-utf8-emoji-softbank3g-pp');
__PACKAGE__->Define('x-utf8-e4u-google-pp');
sub mime_name { 'UTF-8'; }
my $utf8_encoding = Encode::find_encoding('UTF-8');
sub byte_encoding {
$utf8_encoding;
}
sub no_sub_check {
my $check = $_[1];
return 0 if ref $check;
$check;
}
# DoCoMo
package Encode::JP::Emoji::Encoding::X_SJIS_EMOJI_DOCOMO_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-docomo-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::docomo_cp932_to_docomo_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::docomo_unicode_to_docomo_cp932;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_DOCOMO_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-e4u-docomo-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::docomo_cp932_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_docomo_cp932;
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_DOCOMO_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-docomo-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::docomo_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_docomo_unicode;
# KDDIapp
package Encode::JP::Emoji::Encoding::X_SJIS_EMOJI_KDDIAPP_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-kddiapp-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddi_cp932_to_kddi_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::kddi_unicode_to_kddi_cp932;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_KDDIAPP_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-e4u-kddiapp-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddi_cp932_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_kddi_cp932;
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_KDDIAPP_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-kddiapp-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddi_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_kddi_unicode;
# KDDIweb
package Encode::JP::Emoji::Encoding::X_SJIS_EMOJI_KDDIWEB_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-kddiweb-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddiweb_cp932_to_kddiweb_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::kddiweb_unicode_to_kddiweb_cp932;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_KDDIWEB_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-e4u-kddiweb-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddiweb_cp932_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_kddiweb_cp932;
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_KDDIWEB_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-kddiweb-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::kddiweb_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_kddiweb_unicode;
# SoftBank 2G
package Encode::JP::Emoji::Encoding::X_SJIS_EMOJI_SOFTBANK2G_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-softbank2g-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::softbankauto_cp932_to_softbank_unicode;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::softbank_unicode_to_softbank_escape;
package Encode::JP::Emoji::Encoding::X_UTF8_EMOJI_SOFTBANK2G_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-emoji-softbank2g-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::softbank_escape_to_softbank_unicode;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::softbank_unicode_to_softbank_escape;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_SOFTBANK2G_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-e4u-softbank2g-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::softbankauto_cp932_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::google_unicode_to_softbank_escape;
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_SOFTBANK2G_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-softbank2g-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::softbankauto_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::google_unicode_to_softbank_escape;
# SoftBank 3G
package Encode::JP::Emoji::Encoding::X_SJIS_EMOJI_SOFTBANK3G_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-softbank3g-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::softbank_cp932_to_softbank_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::softbank_unicode_to_softbank_cp932;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_SOFTBANK3G_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-e4u-softbank3g-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::softbank_cp932_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_softbank_cp932;
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_SOFTBANK3G_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-softbank3g-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::softbank_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_softbank_unicode;
# Mixed
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_MIXED_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-mixed-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::mixed_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_mixed_unicode;
# Unicode Standard
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_UNICODE_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-e4u-unicode-pp');
*after_decode = \&Encode::JP::Emoji::Mapping::unicode_unicode_to_google_unicode;
*before_encode = \&Encode::JP::Emoji::Mapping::google_unicode_to_unicode_unicode;
# No PUA
package Encode::JP::Emoji::Encoding::X_UTF8_E4U_NONE_PP;
use base 'Encode::JP::Emoji::Encoding::UTF8';
__PACKAGE__->Define('x-utf8-emoji-none-pp');
__PACKAGE__->Define('x-utf8-e4u-none-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::no_emoji;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::no_emoji;
package Encode::JP::Emoji::Encoding::X_SJIS_E4U_NONE_PP;
use base 'Encode::JP::Emoji::Encoding::Shift_JIS';
__PACKAGE__->Define('x-sjis-emoji-none-pp');
__PACKAGE__->Define('x-sjis-e4u-none-pp');
*after_decode = \&Encode::JP::Emoji::Encoding::Util::no_emoji;
*before_encode = \&Encode::JP::Emoji::Encoding::Util::no_emoji;
# Utils
package Encode::JP::Emoji::Encoding::Util;
use Encode::JP::Emoji::Property;
sub softbank_escape_to_softbank_unicode {
$_[1] =~ s{
\x1B\x24([GEFOPQ])([\x20-\x7F]+)\x0F?
}{
&escape_vodafone($1, $2)
}egomx;
}
sub softbankauto_cp932_to_softbank_unicode {
if ($_[1] =~ /\x1B\x24/) {
Encode::JP::Emoji::Mapping::softbank_cp932_to_softbank_unicode(@_);
Encode::JP::Emoji::Encoding::Util::softbank_escape_to_softbank_unicode(@_);
} else {
Encode::JP::Emoji::Mapping::softbank_cp932_to_softbank_unicode(@_);
}
}
sub softbankauto_cp932_to_google_unicode {
if ($_[1] =~ /\x1B\x24/) {
Encode::JP::Emoji::Mapping::softbank_cp932_to_softbank_unicode(@_);
Encode::JP::Emoji::Encoding::Util::softbank_escape_to_softbank_unicode(@_);
Encode::JP::Emoji::Mapping::softbank_unicode_to_google_unicode(@_);
} else {
Encode::JP::Emoji::Mapping::softbank_cp932_to_google_unicode(@_);
}
}
sub softbankauto_unicode_to_google_unicode {
if ($_[1] =~ /\x1B\x24/) {
Encode::JP::Emoji::Encoding::Util::softbank_escape_to_softbank_unicode(@_);
Encode::JP::Emoji::Mapping::softbank_unicode_to_google_unicode(@_);
} else {
Encode::JP::Emoji::Mapping::softbank_unicode_to_google_unicode(@_);
}
}
sub softbank_unicode_to_softbank_escape {
my $check = $_[2] || sub {''};
$_[1] =~ s{
(\p{InEmojiSoftBank}+)
}{
&unescape_vodafone($1)
}egomx;
}
sub google_unicode_to_softbank_escape {
Encode::JP::Emoji::Mapping::google_unicode_to_softbank_unicode(@_);
Encode::JP::Emoji::Encoding::Util::softbank_unicode_to_softbank_escape(@_);
}
my $map_escape_vodafone = {
G => 0xE000,
E => 0xE100,
F => 0xE200,
O => 0xE300,
P => 0xE400,
Q => 0xE500,
};
sub escape_vodafone {
my $high = shift;
my $code = shift;
my $offset = $map_escape_vodafone->{$high};
join '' => map {chr($offset - 32 + ord $_)} split //, $code;
}
my $map_unescape_vodafone = [qw( G E F O P Q )];
sub unescape_vodafone {
my $string = shift;
my $buf = [];
my $prev = "";
foreach my $char (split //, $string) {
my $code = ord $char;
my $high = ($code & 0x0700) >> 8;
my $low = ($code & 0xFF) + 32;
my $page = $map_unescape_vodafone->[$high] or next;
if ($prev eq $page) {
$buf->[$#$buf] .= sprintf "%c" => $low;
} else {
push @$buf, sprintf "\x1B\x24%s%c" => $page, $low;
}
$prev = $page;
}
push @$buf, '';
join "\x0F" => @$buf;
}
sub no_emoji {
my $check = $_[2] || sub {};
$_[1] =~ s{
(\p{InEmojiAny})
}{
&$check(ord $1);
}egomx;
}
1;