… | |
… | |
64 | |
64 | |
65 | package CBOR::XS; |
65 | package CBOR::XS; |
66 | |
66 | |
67 | use common::sense; |
67 | use common::sense; |
68 | |
68 | |
69 | our $VERSION = 1.25; |
69 | our $VERSION = 1.41; |
70 | our @ISA = qw(Exporter); |
70 | our @ISA = qw(Exporter); |
71 | |
71 | |
72 | our @EXPORT = qw(encode_cbor decode_cbor); |
72 | our @EXPORT = qw(encode_cbor decode_cbor); |
73 | |
73 | |
74 | use Exporter; |
74 | use Exporter; |
… | |
… | |
224 | cycles - future versions of this module might chose to decode cyclic data |
224 | cycles - future versions of this module might chose to decode cyclic data |
225 | structures using weak references when this option is off, instead of |
225 | structures using weak references when this option is off, instead of |
226 | throwing an error. |
226 | throwing an error. |
227 | |
227 | |
228 | This option does not affect C<encode> in any way - shared values and |
228 | This option does not affect C<encode> in any way - shared values and |
229 | references will always be decoded properly if present. |
229 | references will always be encoded properly if present. |
230 | |
230 | |
231 | =item $cbor = $cbor->pack_strings ([$enable]) |
231 | =item $cbor = $cbor->pack_strings ([$enable]) |
232 | |
232 | |
233 | =item $enabled = $cbor->get_pack_strings |
233 | =item $enabled = $cbor->get_pack_strings |
234 | |
234 | |
… | |
… | |
481 | |
481 | |
482 | =item hash references |
482 | =item hash references |
483 | |
483 | |
484 | Perl hash references become CBOR maps. As there is no inherent ordering in |
484 | Perl hash references become CBOR maps. As there is no inherent ordering in |
485 | hash keys (or CBOR maps), they will usually be encoded in a pseudo-random |
485 | hash keys (or CBOR maps), they will usually be encoded in a pseudo-random |
486 | order. This order can be different each time a hahs is encoded. |
486 | order. This order can be different each time a hash is encoded. |
487 | |
487 | |
488 | Currently, tied hashes will use the indefinite-length format, while normal |
488 | Currently, tied hashes will use the indefinite-length format, while normal |
489 | hashes will use the fixed-length format. |
489 | hashes will use the fixed-length format. |
490 | |
490 | |
491 | =item array references |
491 | =item array references |
… | |
… | |
814 | |
814 | |
815 | These tags are automatically created (and decoded) for serialisable |
815 | These tags are automatically created (and decoded) for serialisable |
816 | objects using the C<FREEZE/THAW> methods (the L<Types::Serialier> object |
816 | objects using the C<FREEZE/THAW> methods (the L<Types::Serialier> object |
817 | serialisation protocol). See L<OBJECT SERIALISATION> for details. |
817 | serialisation protocol). See L<OBJECT SERIALISATION> for details. |
818 | |
818 | |
819 | =item 28, 29 (shareable, sharedref, L <http://cbor.schmorp.de/value-sharing>) |
819 | =item 28, 29 (shareable, sharedref, L<http://cbor.schmorp.de/value-sharing>) |
820 | |
820 | |
821 | These tags are automatically decoded when encountered (and they do not |
821 | These tags are automatically decoded when encountered (and they do not |
822 | result in a cyclic data structure, see C<allow_cycles>), resulting in |
822 | result in a cyclic data structure, see C<allow_cycles>), resulting in |
823 | shared values in the decoded object. They are only encoded, however, when |
823 | shared values in the decoded object. They are only encoded, however, when |
824 | C<allow_sharing> is enabled. |
824 | C<allow_sharing> is enabled. |
… | |
… | |
834 | will be shared, others will not. While non-reference shared values can be |
834 | will be shared, others will not. While non-reference shared values can be |
835 | generated in Perl with some effort, they were considered too unimportant |
835 | generated in Perl with some effort, they were considered too unimportant |
836 | to be supported in the encoder. The decoder, however, will decode these |
836 | to be supported in the encoder. The decoder, however, will decode these |
837 | values as shared values. |
837 | values as shared values. |
838 | |
838 | |
839 | =item 256, 25 (stringref-namespace, stringref, L <http://cbor.schmorp.de/stringref>) |
839 | =item 256, 25 (stringref-namespace, stringref, L<http://cbor.schmorp.de/stringref>) |
840 | |
840 | |
841 | These tags are automatically decoded when encountered. They are only |
841 | These tags are automatically decoded when encountered. They are only |
842 | encoded, however, when C<pack_strings> is enabled. |
842 | encoded, however, when C<pack_strings> is enabled. |
843 | |
843 | |
844 | =item 22098 (indirection, L<http://cbor.schmorp.de/indirection>) |
844 | =item 22098 (indirection, L<http://cbor.schmorp.de/indirection>) |
… | |
… | |
907 | C<URI::TO_CBOR> method again results in a CBOR URI value. |
907 | C<URI::TO_CBOR> method again results in a CBOR URI value. |
908 | |
908 | |
909 | =back |
909 | =back |
910 | |
910 | |
911 | =cut |
911 | =cut |
912 | |
|
|
913 | our %FILTER = ( |
|
|
914 | # 0 # rfc4287 datetime, utf-8 |
|
|
915 | # 1 # unix timestamp, any |
|
|
916 | |
|
|
917 | 2 => sub { # pos bigint |
|
|
918 | require Math::BigInt; |
|
|
919 | Math::BigInt->new ("0x" . unpack "H*", pop) |
|
|
920 | }, |
|
|
921 | |
|
|
922 | 3 => sub { # neg bigint |
|
|
923 | require Math::BigInt; |
|
|
924 | -Math::BigInt->new ("0x" . unpack "H*", pop) |
|
|
925 | }, |
|
|
926 | |
|
|
927 | 4 => sub { # decimal fraction, array |
|
|
928 | require Math::BigFloat; |
|
|
929 | Math::BigFloat->new ($_[1][1] . "E" . $_[1][0]) |
|
|
930 | }, |
|
|
931 | |
|
|
932 | 5 => sub { # bigfloat, array |
|
|
933 | require Math::BigFloat; |
|
|
934 | scalar Math::BigFloat->new ($_[1][1])->blsft ($_[1][0], 2) |
|
|
935 | }, |
|
|
936 | |
|
|
937 | 21 => sub { pop }, # expected conversion to base64url encoding |
|
|
938 | 22 => sub { pop }, # expected conversion to base64 encoding |
|
|
939 | 23 => sub { pop }, # expected conversion to base16 encoding |
|
|
940 | |
|
|
941 | # 24 # embedded cbor, byte string |
|
|
942 | |
|
|
943 | 32 => sub { |
|
|
944 | require URI; |
|
|
945 | URI->new (pop) |
|
|
946 | }, |
|
|
947 | |
|
|
948 | # 33 # base64url rfc4648, utf-8 |
|
|
949 | # 34 # base64 rfc46484, utf-8 |
|
|
950 | # 35 # regex pcre/ecma262, utf-8 |
|
|
951 | # 36 # mime message rfc2045, utf-8 |
|
|
952 | ); |
|
|
953 | |
|
|
954 | |
912 | |
955 | =head1 CBOR and JSON |
913 | =head1 CBOR and JSON |
956 | |
914 | |
957 | CBOR is supposed to implement a superset of the JSON data model, and is, |
915 | CBOR is supposed to implement a superset of the JSON data model, and is, |
958 | with some coercion, able to represent all JSON texts (something that other |
916 | with some coercion, able to represent all JSON texts (something that other |
… | |
… | |
1022 | |
980 | |
1023 | |
981 | |
1024 | =head1 LIMITATIONS ON PERLS WITHOUT 64-BIT INTEGER SUPPORT |
982 | =head1 LIMITATIONS ON PERLS WITHOUT 64-BIT INTEGER SUPPORT |
1025 | |
983 | |
1026 | On perls that were built without 64 bit integer support (these are rare |
984 | On perls that were built without 64 bit integer support (these are rare |
1027 | nowadays, even on 32 bit architectures), support for any kind of 64 bit |
985 | nowadays, even on 32 bit architectures, as all major Perl distributions |
|
|
986 | are built with 64 bit integer support), support for any kind of 64 bit |
1028 | integer in CBOR is very limited - most likely, these 64 bit values will |
987 | integer in CBOR is very limited - most likely, these 64 bit values will |
1029 | be truncated, corrupted, or otherwise not decoded correctly. This also |
988 | be truncated, corrupted, or otherwise not decoded correctly. This also |
1030 | includes string, array and map sizes that are stored as 64 bit integers. |
989 | includes string, array and map sizes that are stored as 64 bit integers. |
1031 | |
990 | |
1032 | |
991 | |
… | |
… | |
1057 | # Time::Piece::Strptime uses the "incredibly flexible date parsing routine" |
1016 | # Time::Piece::Strptime uses the "incredibly flexible date parsing routine" |
1058 | # from FreeBSD, which can't parse ISO 8601, RFC3339, RFC4287 or much of anything |
1017 | # from FreeBSD, which can't parse ISO 8601, RFC3339, RFC4287 or much of anything |
1059 | # else either. Whats incredibe over standard strptime totally escapes me. |
1018 | # else either. Whats incredibe over standard strptime totally escapes me. |
1060 | # doesn't do fractional times, either. sigh. |
1019 | # doesn't do fractional times, either. sigh. |
1061 | # In fact, it's all a lie, it uses whatever strptime it wants, and of course, |
1020 | # In fact, it's all a lie, it uses whatever strptime it wants, and of course, |
1062 | # they are all incomptible. The openbsd one simply ignores %z (but according to the |
1021 | # they are all incompatible. The openbsd one simply ignores %z (but according to the |
1063 | # docs, it would be much more incredibly flexible indeed. If it worked, that is.). |
1022 | # docs, it would be much more incredibly flexible indeed. If it worked, that is.). |
1064 | scalar eval { |
1023 | scalar eval { |
1065 | my $s = $_[1]; |
1024 | my $s = $_[1]; |
1066 | |
1025 | |
1067 | $s =~ s/Z$/+00:00/; |
1026 | $s =~ s/Z$/+00:00/; |
… | |
… | |
1095 | Math::BigFloat->new ($_[1][1] . "E" . $_[1][0]) |
1054 | Math::BigFloat->new ($_[1][1] . "E" . $_[1][0]) |
1096 | }, |
1055 | }, |
1097 | |
1056 | |
1098 | 5 => sub { # bigfloat, array |
1057 | 5 => sub { # bigfloat, array |
1099 | require Math::BigFloat; |
1058 | require Math::BigFloat; |
1100 | scalar Math::BigFloat->new ($_[1][1])->blsft ($_[1][0], 2) |
1059 | scalar Math::BigFloat->new ($_[1][1]) * Math::BigFloat->new (2)->bpow ($_[1][0]) |
1101 | }, |
1060 | }, |
1102 | |
1061 | |
1103 | 21 => sub { pop }, # expected conversion to base64url encoding |
1062 | 21 => sub { pop }, # expected conversion to base64url encoding |
1104 | 22 => sub { pop }, # expected conversion to base64 encoding |
1063 | 22 => sub { pop }, # expected conversion to base64 encoding |
1105 | 23 => sub { pop }, # expected conversion to base16 encoding |
1064 | 23 => sub { pop }, # expected conversion to base16 encoding |