/usr/share/perl5/JSON/backportPP/Compat5005.pm is in libjson-perl 2.90-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 | package # This is JSON::backportPP
JSON::backportPP5005;
use 5.005;
use strict;
my @properties;
$JSON::PP5005::VERSION = '1.10';
BEGIN {
sub utf8::is_utf8 {
0; # It is considered that UTF8 flag off for Perl 5.005.
}
sub utf8::upgrade {
}
sub utf8::downgrade {
1; # must always return true.
}
sub utf8::encode {
}
sub utf8::decode {
}
*JSON::PP::JSON_PP_encode_ascii = \&_encode_ascii;
*JSON::PP::JSON_PP_encode_latin1 = \&_encode_latin1;
*JSON::PP::JSON_PP_decode_surrogates = \&_decode_surrogates;
*JSON::PP::JSON_PP_decode_unicode = \&_decode_unicode;
# missing in B module.
sub B::SVp_IOK () { 0x01000000; }
sub B::SVp_NOK () { 0x02000000; }
sub B::SVp_POK () { 0x04000000; }
$INC{'bytes.pm'} = 1; # dummy
}
sub _encode_ascii {
join('', map { $_ <= 127 ? chr($_) : sprintf('\u%04x', $_) } unpack('C*', $_[0]) );
}
sub _encode_latin1 {
join('', map { chr($_) } unpack('C*', $_[0]) );
}
sub _decode_surrogates { # from http://homepage1.nifty.com/nomenclator/unicode/ucs_utf.htm
my $uni = 0x10000 + (hex($_[0]) - 0xD800) * 0x400 + (hex($_[1]) - 0xDC00); # from perlunicode
my $bit = unpack('B32', pack('N', $uni));
if ( $bit =~ /^00000000000(...)(......)(......)(......)$/ ) {
my ($w, $x, $y, $z) = ($1, $2, $3, $4);
return pack('B*', sprintf('11110%s10%s10%s10%s', $w, $x, $y, $z));
}
else {
Carp::croak("Invalid surrogate pair");
}
}
sub _decode_unicode {
my ($u) = @_;
my ($utf8bit);
if ( $u =~ /^00([89a-f][0-9a-f])$/i ) { # 0x80-0xff
return pack( 'H2', $1 );
}
my $bit = unpack("B*", pack("H*", $u));
if ( $bit =~ /^00000(.....)(......)$/ ) {
$utf8bit = sprintf('110%s10%s', $1, $2);
}
elsif ( $bit =~ /^(....)(......)(......)$/ ) {
$utf8bit = sprintf('1110%s10%s10%s', $1, $2, $3);
}
else {
Carp::croak("Invalid escaped unicode");
}
return pack('B*', $utf8bit);
}
sub JSON::PP::incr_text {
$_[0]->{_incr_parser} ||= JSON::PP::IncrParser->new;
if ( $_[0]->{_incr_parser}->{incr_parsing} ) {
Carp::croak("incr_text can not be called when the incremental parser already started parsing");
}
$_[0]->{_incr_parser}->{incr_text} = $_[1] if ( @_ > 1 );
$_[0]->{_incr_parser}->{incr_text};
}
1;
__END__
=pod
=head1 NAME
JSON::PP5005 - Helper module in using JSON::PP in Perl 5.005
=head1 DESCRIPTION
JSON::PP calls internally.
=head1 AUTHOR
Makamaka Hannyaharamitu, E<lt>makamaka[at]cpan.orgE<gt>
=head1 COPYRIGHT AND LICENSE
Copyright 2007-2012 by Makamaka Hannyaharamitu
This library is free software; you can redistribute it and/or modify
it under the same terms as Perl itself.
=cut
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