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| 8 | #include <stdio.h> |
8 | #include <stdio.h> |
| 9 | #include <limits.h> |
9 | #include <limits.h> |
| 10 | #include <float.h> |
10 | #include <float.h> |
| 11 | |
11 | |
| 12 | #include "ecb.h" |
12 | #include "ecb.h" |
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13 | |
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14 | // known tags |
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15 | enum cbor_tag |
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16 | { |
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17 | // inofficial extensions (pending iana registration) |
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18 | CBOR_TAG_PERL_OBJECT = 256, |
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19 | CBOR_TAG_GENERIC_OBJECT = 257, |
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20 | |
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21 | // rfc7049 |
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22 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
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23 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
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24 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
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25 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
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26 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
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27 | CBOR_TAG_BIGFLOAT = 5, // array |
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28 | |
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29 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
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30 | CBOR_TAG_CONV_B64 = 22, // base64, any |
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31 | CBOR_TAG_CONV_HEX = 23, // base16, any |
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32 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
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33 | |
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34 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
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35 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
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36 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
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37 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
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38 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
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39 | |
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40 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
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41 | }; |
| 13 | |
42 | |
| 14 | #define F_SHRINK 0x00000200UL |
43 | #define F_SHRINK 0x00000200UL |
| 15 | #define F_ALLOW_UNKNOWN 0x00002000UL |
44 | #define F_ALLOW_UNKNOWN 0x00002000UL |
| 16 | |
45 | |
| 17 | #define INIT_SIZE 32 // initial scalar size to be allocated |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
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| 612 | decode_tagged (dec_t *dec) |
641 | decode_tagged (dec_t *dec) |
| 613 | { |
642 | { |
| 614 | UV tag = decode_uint (dec); |
643 | UV tag = decode_uint (dec); |
| 615 | SV *sv = decode_sv (dec); |
644 | SV *sv = decode_sv (dec); |
| 616 | |
645 | |
| 617 | if (tag == 55799) // 2.4.5 Self-Describe CBOR |
646 | if (tag == CBOR_TAG_MAGIC) |
| 618 | return sv; |
647 | return sv; |
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648 | |
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649 | if (tag == CBOR_TAG_PERL_OBJECT) |
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650 | { |
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651 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
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652 | ERR ("corrupted CBOR data (non-array perl object)"); |
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653 | |
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654 | // TODO |
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655 | } |
| 619 | |
656 | |
| 620 | AV *av = newAV (); |
657 | AV *av = newAV (); |
| 621 | av_push (av, newSVuv (tag)); |
658 | av_push (av, newSVuv (tag)); |
| 622 | av_push (av, sv); |
659 | av_push (av, sv); |
| 623 | |
660 | |
| 624 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
661 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
| 625 | ? cbor_tagged_stash |
662 | ? cbor_tagged_stash |
| 626 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
663 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
| 627 | |
664 | |
| 628 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
665 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
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666 | |
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667 | fail: |
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668 | SvREFCNT_dec (sv); |
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669 | return &PL_sv_undef; |
| 629 | } |
670 | } |
| 630 | |
671 | |
| 631 | static SV * |
672 | static SV * |
| 632 | decode_sv (dec_t *dec) |
673 | decode_sv (dec_t *dec) |
| 633 | { |
674 | { |
