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, Emakamaka[at]cpan.orgE =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