8 $JSON::PP56::VERSION = '1.08';
13 my $len = length $_[0]; # char length
15 use bytes; # byte length;
16 return $len != length $_[0]; # if !=, UTF8-flagged on.
26 sub utf8::downgrade ($;$) {
27 return 1 unless ( utf8::is_utf8( $_[0] ) );
29 if ( _is_valid_utf8( $_[0] ) ) {
31 for my $c ( unpack( "U*", $_[0] ) ) {
33 $downgrade .= pack("C", $c);
36 $downgrade .= pack("U", $c);
43 Carp::croak("Wide character in subroutine entry") unless ( $_[1] );
49 sub utf8::encode ($) { # UTF8 flag off
50 if ( utf8::is_utf8( $_[0] ) ) {
51 $_[0] = pack( "C*", unpack( "C*", $_[0] ) );
54 $_[0] = pack( "U*", unpack( "C*", $_[0] ) );
55 $_[0] = pack( "C*", unpack( "C*", $_[0] ) );
60 sub utf8::decode ($) { # UTF8 flag on
61 if ( _is_valid_utf8( $_[0] ) ) {
62 utf8::downgrade( $_[0] );
63 $_[0] = pack( "U*", unpack( "U*", $_[0] ) );
68 *JSON::PP::JSON_PP_encode_ascii = \&_encode_ascii;
69 *JSON::PP::JSON_PP_encode_latin1 = \&_encode_latin1;
70 *JSON::PP::JSON_PP_decode_surrogates = \&JSON::PP::_decode_surrogates;
71 *JSON::PP::JSON_PP_decode_unicode = \&JSON::PP::_decode_unicode;
73 unless ( defined &B::SVp_NOK ) { # missing in B module.
74 eval q{ sub B::SVp_NOK () { 0x02000000; } };
87 sprintf('\u%04x', $_) : sprintf('\u%x\u%x', JSON::PP::_encode_surrogates($_));
99 sprintf('\u%04x', $_) : sprintf('\u%x\u%x', JSON::PP::_encode_surrogates($_));
105 sub _unpack_emu { # for Perl 5.6 unpack warnings
106 return !utf8::is_utf8($_[0]) ? unpack('C*', $_[0])
107 : _is_valid_utf8($_[0]) ? unpack('U*', $_[0])
108 : unpack('C*', $_[0]);
119 |[\xC2-\xDF][\x80-\xBF]
120 |[\xE0][\xA0-\xBF][\x80-\xBF]
121 |[\xE1-\xEC][\x80-\xBF][\x80-\xBF]
122 |[\xED][\x80-\x9F][\x80-\xBF]
123 |[\xEE-\xEF][\x80-\xBF][\x80-\xBF]
124 |[\xF0][\x90-\xBF][\x80-\xBF][\x80-\xBF]
125 |[\xF1-\xF3][\x80-\xBF][\x80-\xBF][\x80-\xBF]
126 |[\xF4][\x80-\x8F][\x80-\xBF][\x80-\xBF]
132 $is_utf8 = 1 if (!defined $is_utf8);
135 $is_utf8 = 0 if (!defined $is_utf8);
136 if ($is_utf8) { # eventually, not utf8
146 sub JSON::PP::incr_parse {
147 local $Carp::CarpLevel = 1;
148 ( $_[0]->{_incr_parser} ||= JSON::PP::IncrParser->new )->incr_parse( @_ );
152 sub JSON::PP::incr_text : lvalue {
153 $_[0]->{_incr_parser} ||= JSON::PP::IncrParser->new;
155 if ( $_[0]->{_incr_parser}->{incr_parsing} ) {
156 Carp::croak("incr_text can not be called when the incremental parser already started parsing");
158 $_[0]->{_incr_parser}->{incr_text};
162 sub JSON::PP::incr_skip {
163 ( $_[0]->{_incr_parser} ||= JSON::PP::IncrParser->new )->incr_skip;
167 sub JSON::PP::incr_reset {
168 ( $_[0]->{_incr_parser} ||= JSON::PP::IncrParser->new )->incr_reset;
179 JSON::PP56 - Helper module in using JSON::PP in Perl 5.6
183 JSON::PP calls internally.
187 Makamaka Hannyaharamitu, E<lt>makamaka[at]cpan.orgE<gt>
190 =head1 COPYRIGHT AND LICENSE
192 Copyright 2007-2009 by Makamaka Hannyaharamitu
194 This library is free software; you can redistribute it and/or modify
195 it under the same terms as Perl itself.