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script/cpanurl  view on Meta::CPAN

        map {
            $_ <= 255 ?
                chr($_) :
            $_ <= 65535 ?
                sprintf('\u%04x', $_) : sprintf('\u%x\u%x', _encode_surrogates($_));
        } unpack('U*', $_[0])
    );
}


sub _encode_surrogates { # from perlunicode
    my $uni = $_[0] - 0x10000;
    return ($uni / 0x400 + 0xD800, $uni % 0x400 + 0xDC00);
}


sub _is_bignum {
    $_[0]->isa('Math::BigInt') or $_[0]->isa('Math::BigFloat');
}

script/cpanurl  view on Meta::CPAN

                            $s .= JSON_PP_decode_surrogates($utf16, $u) || next;
                            $utf16 = undef;
                        }
                        else {
                            if (defined $utf16) {
                                decode_error("surrogate pair expected");
                            }

                            if ( ( my $hex = hex( $u ) ) > 127 ) {
                                $is_utf8 = 1;
                                $s .= JSON_PP_decode_unicode($u) || next;
                            }
                            else {
                                $s .= chr $hex;
                            }
                        }

                    }
                    else{
                        unless ($loose) {
                            $at -= 2;

script/cpanurl  view on Meta::CPAN

            len     => $len,
            depth   => $depth,
            encoding      => $encoding,
            is_valid_utf8 => $is_valid_utf8,
        };
    }

} # PARSE


sub _decode_surrogates { # from perlunicode
    my $uni = 0x10000 + (hex($_[0]) - 0xD800) * 0x400 + (hex($_[1]) - 0xDC00);
    my $un  = pack('U*', $uni);
    utf8::encode( $un );
    return $un;
}


sub _decode_unicode {
    my $un = pack('U', hex shift);
    utf8::encode( $un );
    return $un;
}

#
# Setup for various Perl versions (the code from App::cpanurl::JSON::PP58)
#

BEGIN {

    unless ( defined &utf8::is_utf8 ) {
       require Encode;
       *utf8::is_utf8 = *Encode::is_utf8;
    }

    if ( $] >= 5.008 ) {
        *App::cpanurl::JSON::PP::JSON_PP_encode_ascii      = \&_encode_ascii;
        *App::cpanurl::JSON::PP::JSON_PP_encode_latin1     = \&_encode_latin1;
        *App::cpanurl::JSON::PP::JSON_PP_decode_surrogates = \&_decode_surrogates;
        *App::cpanurl::JSON::PP::JSON_PP_decode_unicode    = \&_decode_unicode;
    }

    if ($] >= 5.008 and $] < 5.008003) { # join() in 5.8.0 - 5.8.2 is broken.
        package App::cpanurl::JSON::PP;
        require subs;
        subs->import('join');
        eval q|
            sub join {
                return '' if (@_ < 2);
                my $j   = shift;