… | |
… | |
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" |
13 | |
13 | |
14 | // known tags, rfc7049 |
14 | // compatibility with perl <5.18 |
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15 | #ifndef HvNAMELEN_get |
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16 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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17 | #endif |
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18 | #ifndef HvNAMELEN |
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19 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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20 | #endif |
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|
21 | #ifndef HvNAMEUTF8 |
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22 | # define HvNAMEUTF8(hv) 0 |
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23 | #endif |
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24 | |
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25 | // known tags |
15 | enum cbor_tag |
26 | enum cbor_tag |
16 | { |
27 | { |
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28 | // inofficial extensions (pending iana registration) |
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29 | CBOR_TAG_PERL_OBJECT = 256, |
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30 | CBOR_TAG_GENERIC_OBJECT = 257, |
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31 | |
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32 | // rfc7049 |
17 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
33 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
18 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
34 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
19 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
35 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
20 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
36 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
21 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
37 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
22 | CBOR_TAG_BIGFLOAT = 5, // array |
38 | CBOR_TAG_BIGFLOAT = 5, // array |
23 | |
39 | |
24 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
40 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
25 | CBOR_TAG_CONV_B64 = 22, // base64, any |
41 | CBOR_TAG_CONV_B64 = 22, // base64, any |
26 | CBOR_TAG_CONV_HEX = 23, // base16, any |
42 | CBOR_TAG_CONV_HEX = 23, // base16, any |
27 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
43 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
28 | |
44 | |
29 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
45 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
30 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
46 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
31 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
47 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
32 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
48 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
33 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
49 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
34 | |
50 | |
35 | CBOR_TAG_MAGIC = 55799 |
51 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
36 | }; |
52 | }; |
37 | |
53 | |
38 | #define F_SHRINK 0x00000200UL |
54 | #define F_SHRINK 0x00000200UL |
39 | #define F_ALLOW_UNKNOWN 0x00002000UL |
55 | #define F_ALLOW_UNKNOWN 0x00002000UL |
40 | |
56 | |
… | |
… | |
55 | #else |
71 | #else |
56 | # define CBOR_SLOW 0 |
72 | # define CBOR_SLOW 0 |
57 | # define CBOR_STASH cbor_stash |
73 | # define CBOR_STASH cbor_stash |
58 | #endif |
74 | #endif |
59 | |
75 | |
60 | static HV *cbor_stash, *cbor_boolean_stash, *cbor_tagged_stash; // CBOR::XS:: |
76 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
61 | static SV *cbor_true, *cbor_false; |
77 | static SV *types_true, *types_false, *types_error, *sv_cbor; |
62 | |
78 | |
63 | typedef struct { |
79 | typedef struct { |
64 | U32 flags; |
80 | U32 flags; |
65 | U32 max_depth; |
81 | U32 max_depth; |
66 | STRLEN max_size; |
82 | STRLEN max_size; |
… | |
… | |
254 | SvGETMAGIC (sv); |
270 | SvGETMAGIC (sv); |
255 | svt = SvTYPE (sv); |
271 | svt = SvTYPE (sv); |
256 | |
272 | |
257 | if (ecb_expect_false (SvOBJECT (sv))) |
273 | if (ecb_expect_false (SvOBJECT (sv))) |
258 | { |
274 | { |
259 | HV *boolean_stash = !CBOR_SLOW || cbor_boolean_stash |
275 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
260 | ? cbor_boolean_stash |
276 | ? types_boolean_stash |
261 | : gv_stashpv ("CBOR::XS::Boolean", 1); |
277 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
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278 | HV *error_stash = !CBOR_SLOW || types_error_stash |
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279 | ? types_error_stash |
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280 | : gv_stashpv ("Types::Serialiser::Error", 1); |
262 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
281 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
263 | ? cbor_tagged_stash |
282 | ? cbor_tagged_stash |
264 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
283 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
265 | |
284 | |
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285 | HV *stash = SvSTASH (sv); |
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286 | GV *method; |
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287 | |
266 | if (SvSTASH (sv) == boolean_stash) |
288 | if (stash == boolean_stash) |
267 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
289 | encode_ch (enc, SvIV (sv) ? 0xe0 | 21 : 0xe0 | 20); |
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290 | else if (stash == error_stash) |
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291 | encode_ch (enc, 0xe0 | 23); |
268 | else if (SvSTASH (sv) == tagged_stash) |
292 | else if (stash == tagged_stash) |
269 | { |
293 | { |
270 | if (svt != SVt_PVAV) |
294 | if (svt != SVt_PVAV) |
271 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
295 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
272 | |
296 | |
273 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
297 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
274 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
298 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
275 | } |
299 | } |
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300 | else if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
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301 | { |
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302 | dSP; |
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303 | |
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304 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
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305 | // we re-bless the reference to get overload and other niceties right |
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306 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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307 | |
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308 | PUTBACK; |
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309 | // G_SCALAR ensures that return value is 1 |
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310 | call_sv ((SV *)GvCV (method), G_SCALAR); |
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311 | SPAGAIN; |
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312 | |
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313 | // catch this surprisingly common error |
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314 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
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315 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (stash)); |
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316 | |
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317 | encode_sv (enc, POPs); |
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318 | |
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319 | PUTBACK; |
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320 | |
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321 | FREETMPS; LEAVE; |
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322 | } |
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323 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
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324 | { |
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325 | dSP; |
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326 | |
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327 | ENTER; SAVETMPS; PUSHMARK (SP); |
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328 | EXTEND (SP, 2); |
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329 | // we re-bless the reference to get overload and other niceties right |
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330 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
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331 | PUSHs (sv_cbor); |
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332 | |
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333 | PUTBACK; |
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334 | int count = call_sv ((SV *)GvCV (method), G_ARRAY); |
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335 | SPAGAIN; |
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336 | |
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337 | // catch this surprisingly common error |
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338 | if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) |
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339 | croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); |
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340 | |
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341 | encode_uint (enc, 0xc0, CBOR_TAG_PERL_OBJECT); |
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342 | encode_uint (enc, 0x80, count + 1); |
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343 | encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); |
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344 | |
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345 | while (count) |
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346 | encode_sv (enc, SP[1 - count--]); |
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347 | |
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348 | PUTBACK; |
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349 | |
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350 | FREETMPS; LEAVE; |
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351 | } |
276 | else |
352 | else |
277 | { |
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278 | // we re-bless the reference to get overload and other niceties right |
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279 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
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280 | |
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281 | if (to_cbor) |
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282 | { |
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283 | dSP; |
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284 | |
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285 | ENTER; SAVETMPS; PUSHMARK (SP); |
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286 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
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287 | |
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288 | // calling with G_SCALAR ensures that we always get a 1 return value |
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289 | PUTBACK; |
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290 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
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291 | SPAGAIN; |
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292 | |
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293 | // catch this surprisingly common error |
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294 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
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295 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
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296 | |
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297 | sv = POPs; |
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298 | PUTBACK; |
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299 | |
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300 | encode_sv (enc, sv); |
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301 | |
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302 | FREETMPS; LEAVE; |
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303 | } |
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304 | else |
|
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305 | croak ("encountered object '%s', but no TO_CBOR method available on it", |
353 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
306 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
354 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
307 | } |
|
|
308 | } |
355 | } |
309 | else if (svt == SVt_PVHV) |
356 | else if (svt == SVt_PVHV) |
310 | encode_hv (enc, (HV *)sv); |
357 | encode_hv (enc, (HV *)sv); |
311 | else if (svt == SVt_PVAV) |
358 | else if (svt == SVt_PVAV) |
312 | encode_av (enc, (AV *)sv); |
359 | encode_av (enc, (AV *)sv); |
… | |
… | |
562 | |
609 | |
563 | SV *k = decode_sv (dec); |
610 | SV *k = decode_sv (dec); |
564 | SV *v = decode_sv (dec); |
611 | SV *v = decode_sv (dec); |
565 | |
612 | |
566 | hv_store_ent (hv, k, v, 0); |
613 | hv_store_ent (hv, k, v, 0); |
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614 | SvREFCNT_dec (k); |
567 | } |
615 | } |
568 | } |
616 | } |
569 | else |
617 | else |
570 | { |
618 | { |
571 | int len = decode_uint (dec); |
619 | int len = decode_uint (dec); |
… | |
… | |
574 | { |
622 | { |
575 | SV *k = decode_sv (dec); |
623 | SV *k = decode_sv (dec); |
576 | SV *v = decode_sv (dec); |
624 | SV *v = decode_sv (dec); |
577 | |
625 | |
578 | hv_store_ent (hv, k, v, 0); |
626 | hv_store_ent (hv, k, v, 0); |
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|
627 | SvREFCNT_dec (k); |
579 | } |
628 | } |
580 | } |
629 | } |
581 | |
630 | |
582 | DEC_DEC_DEPTH; |
631 | DEC_DEC_DEPTH; |
583 | return newRV_noinc ((SV *)hv); |
632 | return newRV_noinc ((SV *)hv); |
… | |
… | |
636 | decode_tagged (dec_t *dec) |
685 | decode_tagged (dec_t *dec) |
637 | { |
686 | { |
638 | UV tag = decode_uint (dec); |
687 | UV tag = decode_uint (dec); |
639 | SV *sv = decode_sv (dec); |
688 | SV *sv = decode_sv (dec); |
640 | |
689 | |
641 | if (tag == CBOR_TAG_MAGIC) // 2.4.5 Self-Describe CBOR |
690 | if (tag == CBOR_TAG_MAGIC) |
642 | return sv; |
691 | return sv; |
|
|
692 | else if (tag == CBOR_TAG_PERL_OBJECT) |
|
|
693 | { |
|
|
694 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
|
|
695 | ERR ("corrupted CBOR data (non-array perl object)"); |
643 | |
696 | |
|
|
697 | AV *av = (AV *)SvRV (sv); |
|
|
698 | int len = av_len (av) + 1; |
|
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699 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
700 | |
|
|
701 | if (!stash) |
|
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702 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
703 | |
|
|
704 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
705 | |
|
|
706 | if (!method) |
|
|
707 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
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708 | |
|
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709 | dSP; |
|
|
710 | |
|
|
711 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
712 | EXTEND (SP, len + 1); |
|
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713 | // we re-bless the reference to get overload and other niceties right |
|
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714 | PUSHs (*av_fetch (av, 0, 1)); |
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715 | PUSHs (sv_cbor); |
|
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716 | |
|
|
717 | int i; |
|
|
718 | |
|
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719 | for (i = 1; i < len; ++i) |
|
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720 | PUSHs (*av_fetch (av, i, 1)); |
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721 | |
|
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722 | PUTBACK; |
|
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723 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
724 | SPAGAIN; |
|
|
725 | |
|
|
726 | SvREFCNT_dec (sv); |
|
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727 | sv = SvREFCNT_inc (POPs); |
|
|
728 | |
|
|
729 | PUTBACK; |
|
|
730 | |
|
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731 | FREETMPS; LEAVE; |
|
|
732 | |
|
|
733 | return sv; |
|
|
734 | } |
|
|
735 | else |
|
|
736 | { |
644 | AV *av = newAV (); |
737 | AV *av = newAV (); |
645 | av_push (av, newSVuv (tag)); |
738 | av_push (av, newSVuv (tag)); |
646 | av_push (av, sv); |
739 | av_push (av, sv); |
647 | |
740 | |
648 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
741 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
649 | ? cbor_tagged_stash |
742 | ? cbor_tagged_stash |
650 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
743 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
651 | |
744 | |
652 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
745 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
746 | } |
|
|
747 | |
|
|
748 | fail: |
|
|
749 | SvREFCNT_dec (sv); |
|
|
750 | return &PL_sv_undef; |
653 | } |
751 | } |
654 | |
752 | |
655 | static SV * |
753 | static SV * |
656 | decode_sv (dec_t *dec) |
754 | decode_sv (dec_t *dec) |
657 | { |
755 | { |
… | |
… | |
676 | case 7: // misc |
774 | case 7: // misc |
677 | switch (*dec->cur++ & 31) |
775 | switch (*dec->cur++ & 31) |
678 | { |
776 | { |
679 | case 20: |
777 | case 20: |
680 | #if CBOR_SLOW |
778 | #if CBOR_SLOW |
681 | cbor_false = get_bool ("CBOR::XS::false"); |
779 | types_false = get_bool ("Types::Serialiser::false"); |
682 | #endif |
780 | #endif |
683 | return newSVsv (cbor_false); |
781 | return newSVsv (types_false); |
684 | case 21: |
782 | case 21: |
685 | #if CBOR_SLOW |
783 | #if CBOR_SLOW |
686 | cbor_true = get_bool ("CBOR::XS::true"); |
784 | types_true = get_bool ("Types::Serialiser::true"); |
687 | #endif |
785 | #endif |
688 | return newSVsv (cbor_true); |
786 | return newSVsv (types_true); |
689 | case 22: |
787 | case 22: |
690 | return newSVsv (&PL_sv_undef); |
788 | return newSVsv (&PL_sv_undef); |
|
|
789 | case 23: |
|
|
790 | #if CBOR_SLOW |
|
|
791 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
792 | #endif |
|
|
793 | return newSVsv (types_error); |
691 | |
794 | |
692 | case 25: |
795 | case 25: |
693 | { |
796 | { |
694 | WANT (2); |
797 | WANT (2); |
695 | |
798 | |
… | |
… | |
811 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
914 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
812 | |
915 | |
813 | BOOT: |
916 | BOOT: |
814 | { |
917 | { |
815 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
918 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
816 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
|
|
817 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
919 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
818 | |
920 | |
819 | cbor_true = get_bool ("CBOR::XS::true"); |
921 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
820 | cbor_false = get_bool ("CBOR::XS::false"); |
922 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
923 | |
|
|
924 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
925 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
926 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
927 | |
|
|
928 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
929 | SvREADONLY_on (sv_cbor); |
821 | } |
930 | } |
822 | |
931 | |
823 | PROTOTYPES: DISABLE |
932 | PROTOTYPES: DISABLE |
824 | |
933 | |
825 | void CLONE (...) |
934 | void CLONE (...) |
826 | CODE: |
935 | CODE: |
827 | cbor_stash = 0; |
936 | cbor_stash = 0; |
828 | cbor_boolean_stash = 0; |
|
|
829 | cbor_tagged_stash = 0; |
937 | cbor_tagged_stash = 0; |
|
|
938 | types_error_stash = 0; |
|
|
939 | types_boolean_stash = 0; |
830 | |
940 | |
831 | void new (char *klass) |
941 | void new (char *klass) |
832 | PPCODE: |
942 | PPCODE: |
833 | { |
943 | { |
834 | SV *pv = NEWSV (0, sizeof (CBOR)); |
944 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
881 | CODE: |
991 | CODE: |
882 | RETVAL = self->max_size; |
992 | RETVAL = self->max_size; |
883 | OUTPUT: |
993 | OUTPUT: |
884 | RETVAL |
994 | RETVAL |
885 | |
995 | |
886 | #if 0 //TODO |
|
|
887 | |
|
|
888 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
889 | PPCODE: |
|
|
890 | { |
|
|
891 | SvREFCNT_dec (self->cb_object); |
|
|
892 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
893 | |
|
|
894 | XPUSHs (ST (0)); |
|
|
895 | } |
|
|
896 | |
|
|
897 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
|
|
898 | PPCODE: |
|
|
899 | { |
|
|
900 | if (!self->cb_sk_object) |
|
|
901 | self->cb_sk_object = newHV (); |
|
|
902 | |
|
|
903 | if (SvOK (cb)) |
|
|
904 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
905 | else |
|
|
906 | { |
|
|
907 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
908 | |
|
|
909 | if (!HvKEYS (self->cb_sk_object)) |
|
|
910 | { |
|
|
911 | SvREFCNT_dec (self->cb_sk_object); |
|
|
912 | self->cb_sk_object = 0; |
|
|
913 | } |
|
|
914 | } |
|
|
915 | |
|
|
916 | XPUSHs (ST (0)); |
|
|
917 | } |
|
|
918 | |
|
|
919 | #endif |
|
|
920 | |
|
|
921 | void encode (CBOR *self, SV *scalar) |
996 | void encode (CBOR *self, SV *scalar) |
922 | PPCODE: |
997 | PPCODE: |
923 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
998 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
924 | XPUSHs (scalar); |
999 | XPUSHs (scalar); |
925 | |
1000 | |
… | |
… | |
937 | EXTEND (SP, 2); |
1012 | EXTEND (SP, 2); |
938 | PUSHs (sv); |
1013 | PUSHs (sv); |
939 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1014 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
940 | } |
1015 | } |
941 | |
1016 | |
942 | #if 0 |
|
|
943 | |
|
|
944 | void DESTROY (CBOR *self) |
|
|
945 | CODE: |
|
|
946 | SvREFCNT_dec (self->cb_sk_object); |
|
|
947 | SvREFCNT_dec (self->cb_object); |
|
|
948 | |
|
|
949 | #endif |
|
|
950 | |
|
|
951 | PROTOTYPES: ENABLE |
1017 | PROTOTYPES: ENABLE |
952 | |
1018 | |
953 | void encode_cbor (SV *scalar) |
1019 | void encode_cbor (SV *scalar) |
954 | PPCODE: |
1020 | PPCODE: |
955 | { |
1021 | { |