… | |
… | |
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 | // 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 |
|
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26 | enum cbor_tag |
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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 |
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33 | CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 |
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34 | CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any |
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35 | CBOR_TAG_POS_BIGNUM = 2, // byte string |
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36 | CBOR_TAG_NEG_BIGNUM = 3, // byte string |
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37 | CBOR_TAG_DECIMAL = 4, // decimal fraction, array |
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38 | CBOR_TAG_BIGFLOAT = 5, // array |
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39 | |
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40 | CBOR_TAG_CONV_B64U = 21, // base64url, any |
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41 | CBOR_TAG_CONV_B64 = 22, // base64, any |
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42 | CBOR_TAG_CONV_HEX = 23, // base16, any |
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43 | CBOR_TAG_CBOR = 24, // embedded cbor, byte string |
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44 | |
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45 | CBOR_TAG_URI = 32, // URI rfc3986, utf-8 |
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46 | CBOR_TAG_B64U = 33, // base64url rfc4648, utf-8 |
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47 | CBOR_TAG_B64 = 34, // base6 rfc46484, utf-8 |
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48 | CBOR_TAG_REGEX = 35, // regex pcre/ecma262, utf-8 |
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49 | CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 |
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50 | |
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51 | CBOR_TAG_MAGIC = 55799 // self-describe cbor |
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52 | }; |
13 | |
53 | |
14 | #define F_SHRINK 0x00000200UL |
54 | #define F_SHRINK 0x00000200UL |
15 | #define F_ALLOW_UNKNOWN 0x00002000UL |
55 | #define F_ALLOW_UNKNOWN 0x00002000UL |
16 | |
56 | |
17 | #define INIT_SIZE 32 // initial scalar size to be allocated |
57 | #define INIT_SIZE 32 // initial scalar size to be allocated |
… | |
… | |
31 | #else |
71 | #else |
32 | # define CBOR_SLOW 0 |
72 | # define CBOR_SLOW 0 |
33 | # define CBOR_STASH cbor_stash |
73 | # define CBOR_STASH cbor_stash |
34 | #endif |
74 | #endif |
35 | |
75 | |
36 | static HV *cbor_stash, *cbor_boolean_stash; // CBOR::XS:: |
76 | static HV *cbor_stash, *types_boolean_stash, *types_error_stash, *cbor_tagged_stash; // CBOR::XS:: |
37 | static SV *cbor_true, *cbor_false; |
77 | static SV *types_true, *types_false, *types_error, *sv_cbor; |
38 | |
78 | |
39 | typedef struct { |
79 | typedef struct { |
40 | U32 flags; |
80 | U32 flags; |
41 | U32 max_depth; |
81 | U32 max_depth; |
42 | STRLEN max_size; |
82 | STRLEN max_size; |
43 | |
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44 | SV *cb_object; |
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45 | HV *cb_sk_object; |
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46 | } CBOR; |
83 | } CBOR; |
47 | |
84 | |
48 | ecb_inline void |
85 | ecb_inline void |
49 | cbor_init (CBOR *cbor) |
86 | cbor_init (CBOR *cbor) |
50 | { |
87 | { |
… | |
… | |
233 | SvGETMAGIC (sv); |
270 | SvGETMAGIC (sv); |
234 | svt = SvTYPE (sv); |
271 | svt = SvTYPE (sv); |
235 | |
272 | |
236 | if (ecb_expect_false (SvOBJECT (sv))) |
273 | if (ecb_expect_false (SvOBJECT (sv))) |
237 | { |
274 | { |
238 | HV *stash = !CBOR_SLOW || cbor_boolean_stash |
275 | HV *boolean_stash = !CBOR_SLOW || types_boolean_stash |
239 | ? cbor_boolean_stash |
276 | ? types_boolean_stash |
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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); |
|
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281 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
|
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282 | ? cbor_tagged_stash |
240 | : gv_stashpv ("CBOR::XS::Boolean", 1); |
283 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
241 | |
284 | |
242 | if (SvSTASH (sv) == stash) |
285 | HV *stash = SvSTASH (sv); |
|
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286 | GV *method; |
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287 | |
|
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288 | if (stash == boolean_stash) |
243 | 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); |
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292 | else if (stash == tagged_stash) |
|
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293 | { |
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294 | if (svt != SVt_PVAV) |
|
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295 | croak ("encountered CBOR::XS::Tagged object that isn't an array"); |
|
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296 | |
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297 | encode_uint (enc, 0xc0, SvUV (*av_fetch ((AV *)sv, 0, 1))); |
|
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298 | encode_sv (enc, *av_fetch ((AV *)sv, 1, 1)); |
|
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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 | } |
|
|
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 | } |
244 | else |
352 | else |
245 | { |
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246 | #if 0 //TODO |
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247 | if (enc->cbor.flags & F_CONV_BLESSED) |
|
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248 | { |
|
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249 | // we re-bless the reference to get overload and other niceties right |
|
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250 | GV *to_cbor = gv_fetchmethod_autoload (SvSTASH (sv), "TO_CBOR", 0); |
|
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251 | |
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252 | if (to_cbor) |
|
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253 | { |
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254 | dSP; |
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255 | |
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256 | ENTER; SAVETMPS; PUSHMARK (SP); |
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257 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
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258 | |
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259 | // calling with G_SCALAR ensures that we always get a 1 return value |
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260 | PUTBACK; |
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261 | call_sv ((SV *)GvCV (to_cbor), G_SCALAR); |
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262 | SPAGAIN; |
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263 | |
|
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264 | // catch this surprisingly common error |
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265 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
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266 | croak ("%s::TO_CBOR method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
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267 | |
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268 | sv = POPs; |
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269 | PUTBACK; |
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270 | |
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271 | encode_sv (enc, sv); |
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272 | |
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273 | FREETMPS; LEAVE; |
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274 | } |
|
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275 | else if (enc->cbor.flags & F_ALLOW_BLESSED) |
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276 | encode_str (enc, "null", 4, 0); |
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277 | else |
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278 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_CBOR method available on it", |
353 | croak ("encountered object '%s', but no TO_CBOR or FREEZE methods available on it", |
279 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
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280 | } |
|
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281 | else if (enc->cbor.flags & F_ALLOW_BLESSED) |
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282 | encode_str (enc, "null", 4, 0); |
|
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283 | else |
|
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284 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
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285 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
354 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
286 | #endif |
|
|
287 | } |
|
|
288 | } |
355 | } |
289 | else if (svt == SVt_PVHV) |
356 | else if (svt == SVt_PVHV) |
290 | encode_hv (enc, (HV *)sv); |
357 | encode_hv (enc, (HV *)sv); |
291 | else if (svt == SVt_PVAV) |
358 | else if (svt == SVt_PVAV) |
292 | encode_av (enc, (AV *)sv); |
359 | encode_av (enc, (AV *)sv); |
… | |
… | |
517 | SvREFCNT_dec (av); |
584 | SvREFCNT_dec (av); |
518 | DEC_DEC_DEPTH; |
585 | DEC_DEC_DEPTH; |
519 | return &PL_sv_undef; |
586 | return &PL_sv_undef; |
520 | } |
587 | } |
521 | |
588 | |
|
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589 | static void |
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590 | decode_he (dec_t *dec, HV *hv) |
|
|
591 | { |
|
|
592 | // for speed reasons, we specialcase single-string |
|
|
593 | // byte or utf-8 strings as keys. |
|
|
594 | |
|
|
595 | if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27) |
|
|
596 | { |
|
|
597 | I32 len = decode_uint (dec); |
|
|
598 | char *key = (char *)dec->cur; |
|
|
599 | |
|
|
600 | dec->cur += len; |
|
|
601 | |
|
|
602 | hv_store (hv, key, len, decode_sv (dec), 0); |
|
|
603 | } |
|
|
604 | else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27) |
|
|
605 | { |
|
|
606 | I32 len = decode_uint (dec); |
|
|
607 | char *key = (char *)dec->cur; |
|
|
608 | |
|
|
609 | dec->cur += len; |
|
|
610 | |
|
|
611 | hv_store (hv, key, -len, decode_sv (dec), 0); |
|
|
612 | } |
|
|
613 | else |
|
|
614 | { |
|
|
615 | SV *k = decode_sv (dec); |
|
|
616 | SV *v = decode_sv (dec); |
|
|
617 | |
|
|
618 | hv_store_ent (hv, k, v, 0); |
|
|
619 | SvREFCNT_dec (k); |
|
|
620 | } |
|
|
621 | } |
|
|
622 | |
522 | static SV * |
623 | static SV * |
523 | decode_hv (dec_t *dec) |
624 | decode_hv (dec_t *dec) |
524 | { |
625 | { |
525 | HV *hv = newHV (); |
626 | HV *hv = newHV (); |
526 | |
627 | |
… | |
… | |
538 | { |
639 | { |
539 | ++dec->cur; |
640 | ++dec->cur; |
540 | break; |
641 | break; |
541 | } |
642 | } |
542 | |
643 | |
543 | SV *k = decode_sv (dec); |
644 | decode_he (dec, hv); |
544 | SV *v = decode_sv (dec); |
|
|
545 | |
|
|
546 | hv_store_ent (hv, k, v, 0); |
|
|
547 | } |
645 | } |
548 | } |
646 | } |
549 | else |
647 | else |
550 | { |
648 | { |
551 | int len = decode_uint (dec); |
649 | int pairs = decode_uint (dec); |
552 | |
650 | |
553 | while (len--) |
651 | while (pairs--) |
554 | { |
652 | decode_he (dec, hv); |
555 | SV *k = decode_sv (dec); |
|
|
556 | SV *v = decode_sv (dec); |
|
|
557 | |
|
|
558 | hv_store_ent (hv, k, v, 0); |
|
|
559 | } |
|
|
560 | } |
653 | } |
561 | |
654 | |
562 | DEC_DEC_DEPTH; |
655 | DEC_DEC_DEPTH; |
563 | return newRV_noinc ((SV *)hv); |
656 | return newRV_noinc ((SV *)hv); |
564 | |
|
|
565 | #if 0 |
|
|
566 | SV *sv; |
|
|
567 | HV *hv = newHV (); |
|
|
568 | |
|
|
569 | DEC_INC_DEPTH; |
|
|
570 | decode_ws (dec); |
|
|
571 | |
|
|
572 | for (;;) |
|
|
573 | { |
|
|
574 | // heuristic: assume that |
|
|
575 | // a) decode_str + hv_store_ent are abysmally slow. |
|
|
576 | // b) most hash keys are short, simple ascii text. |
|
|
577 | // => try to "fast-match" such strings to avoid |
|
|
578 | // the overhead of decode_str + hv_store_ent. |
|
|
579 | { |
|
|
580 | SV *value; |
|
|
581 | char *p = dec->cur; |
|
|
582 | char *e = p + 24; // only try up to 24 bytes |
|
|
583 | |
|
|
584 | for (;;) |
|
|
585 | { |
|
|
586 | // the >= 0x80 is false on most architectures |
|
|
587 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
|
|
588 | { |
|
|
589 | // slow path, back up and use decode_str |
|
|
590 | SV *key = decode_str (dec); |
|
|
591 | if (!key) |
|
|
592 | goto fail; |
|
|
593 | |
|
|
594 | decode_ws (dec); EXPECT_CH (':'); |
|
|
595 | |
|
|
596 | decode_ws (dec); |
|
|
597 | value = decode_sv (dec); |
|
|
598 | if (!value) |
|
|
599 | { |
|
|
600 | SvREFCNT_dec (key); |
|
|
601 | goto fail; |
|
|
602 | } |
|
|
603 | |
|
|
604 | hv_store_ent (hv, key, value, 0); |
|
|
605 | SvREFCNT_dec (key); |
|
|
606 | |
|
|
607 | break; |
|
|
608 | } |
|
|
609 | else if (*p == '"') |
|
|
610 | { |
|
|
611 | // fast path, got a simple key |
|
|
612 | char *key = dec->cur; |
|
|
613 | int len = p - key; |
|
|
614 | dec->cur = p + 1; |
|
|
615 | |
|
|
616 | decode_ws (dec); EXPECT_CH (':'); |
|
|
617 | |
|
|
618 | decode_ws (dec); |
|
|
619 | value = decode_sv (dec); |
|
|
620 | if (!value) |
|
|
621 | goto fail; |
|
|
622 | |
|
|
623 | hv_store (hv, key, len, value, 0); |
|
|
624 | |
|
|
625 | break; |
|
|
626 | } |
|
|
627 | |
|
|
628 | ++p; |
|
|
629 | } |
|
|
630 | } |
|
|
631 | |
|
|
632 | decode_ws (dec); |
|
|
633 | |
|
|
634 | if (*dec->cur == '}') |
|
|
635 | { |
|
|
636 | ++dec->cur; |
|
|
637 | break; |
|
|
638 | } |
|
|
639 | |
|
|
640 | if (*dec->cur != ',') |
|
|
641 | ERR (", or } expected while parsing object/hash"); |
|
|
642 | |
|
|
643 | ++dec->cur; |
|
|
644 | |
|
|
645 | decode_ws (dec); |
|
|
646 | |
|
|
647 | if (*dec->cur == '}' && dec->cbor.flags & F_RELAXED) |
|
|
648 | { |
|
|
649 | ++dec->cur; |
|
|
650 | break; |
|
|
651 | } |
|
|
652 | } |
|
|
653 | |
|
|
654 | DEC_DEC_DEPTH; |
|
|
655 | sv = newRV_noinc ((SV *)hv); |
|
|
656 | |
|
|
657 | // check filter callbacks |
|
|
658 | if (dec->cbor.flags & F_HOOK) |
|
|
659 | { |
|
|
660 | if (dec->cbor.cb_sk_object && HvKEYS (hv) == 1) |
|
|
661 | { |
|
|
662 | HE *cb, *he; |
|
|
663 | |
|
|
664 | hv_iterinit (hv); |
|
|
665 | he = hv_iternext (hv); |
|
|
666 | hv_iterinit (hv); |
|
|
667 | |
|
|
668 | // the next line creates a mortal sv each time its called. |
|
|
669 | // might want to optimise this for common cases. |
|
|
670 | cb = hv_fetch_ent (dec->cbor.cb_sk_object, hv_iterkeysv (he), 0, 0); |
|
|
671 | |
|
|
672 | if (cb) |
|
|
673 | { |
|
|
674 | dSP; |
|
|
675 | int count; |
|
|
676 | |
|
|
677 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
678 | XPUSHs (HeVAL (he)); |
|
|
679 | sv_2mortal (sv); |
|
|
680 | |
|
|
681 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
|
|
682 | |
|
|
683 | if (count == 1) |
|
|
684 | { |
|
|
685 | sv = newSVsv (POPs); |
|
|
686 | FREETMPS; LEAVE; |
|
|
687 | return sv; |
|
|
688 | } |
|
|
689 | |
|
|
690 | SvREFCNT_inc (sv); |
|
|
691 | FREETMPS; LEAVE; |
|
|
692 | } |
|
|
693 | } |
|
|
694 | |
|
|
695 | if (dec->cbor.cb_object) |
|
|
696 | { |
|
|
697 | dSP; |
|
|
698 | int count; |
|
|
699 | |
|
|
700 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
701 | XPUSHs (sv_2mortal (sv)); |
|
|
702 | |
|
|
703 | PUTBACK; count = call_sv (dec->cbor.cb_object, G_ARRAY); SPAGAIN; |
|
|
704 | |
|
|
705 | if (count == 1) |
|
|
706 | { |
|
|
707 | sv = newSVsv (POPs); |
|
|
708 | FREETMPS; LEAVE; |
|
|
709 | return sv; |
|
|
710 | } |
|
|
711 | |
|
|
712 | SvREFCNT_inc (sv); |
|
|
713 | FREETMPS; LEAVE; |
|
|
714 | } |
|
|
715 | } |
|
|
716 | |
|
|
717 | return sv; |
|
|
718 | #endif |
|
|
719 | |
657 | |
720 | fail: |
658 | fail: |
721 | SvREFCNT_dec (hv); |
659 | SvREFCNT_dec (hv); |
722 | DEC_DEC_DEPTH; |
660 | DEC_DEC_DEPTH; |
723 | return &PL_sv_undef; |
661 | return &PL_sv_undef; |
724 | } |
662 | } |
725 | |
663 | |
726 | static SV * |
664 | static SV * |
727 | decode_str (dec_t *dec, int utf8) |
665 | decode_str (dec_t *dec, int utf8) |
728 | { |
666 | { |
729 | SV *sv; |
667 | SV *sv = 0; |
730 | |
668 | |
731 | if ((*dec->cur & 31) == 31) |
669 | if ((*dec->cur & 31) == 31) |
732 | { |
670 | { |
733 | ++dec->cur; |
671 | ++dec->cur; |
734 | |
672 | |
… | |
… | |
743 | { |
681 | { |
744 | ++dec->cur; |
682 | ++dec->cur; |
745 | break; |
683 | break; |
746 | } |
684 | } |
747 | |
685 | |
748 | SV *sv2 = decode_sv (dec); |
|
|
749 | sv_catsv (sv, sv2); |
686 | sv_catsv (sv, decode_sv (dec)); |
750 | } |
687 | } |
751 | } |
688 | } |
752 | else |
689 | else |
753 | { |
690 | { |
754 | STRLEN len = decode_uint (dec); |
691 | STRLEN len = decode_uint (dec); |
… | |
… | |
762 | SvUTF8_on (sv); |
699 | SvUTF8_on (sv); |
763 | |
700 | |
764 | return sv; |
701 | return sv; |
765 | |
702 | |
766 | fail: |
703 | fail: |
|
|
704 | SvREFCNT_dec (sv); |
767 | return &PL_sv_undef; |
705 | return &PL_sv_undef; |
768 | } |
706 | } |
769 | |
707 | |
770 | static SV * |
708 | static SV * |
771 | decode_tagged (dec_t *dec) |
709 | decode_tagged (dec_t *dec) |
772 | { |
710 | { |
773 | UV tag = decode_uint (dec); |
711 | UV tag = decode_uint (dec); |
774 | SV *sv = decode_sv (dec); |
712 | SV *sv = decode_sv (dec); |
775 | |
713 | |
776 | if (tag == 55799) // 2.4.5 Self-Describe CBOR |
714 | if (tag == CBOR_TAG_MAGIC) |
777 | return sv; |
715 | return sv; |
|
|
716 | else if (tag == CBOR_TAG_PERL_OBJECT) |
|
|
717 | { |
|
|
718 | if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) |
|
|
719 | ERR ("corrupted CBOR data (non-array perl object)"); |
778 | |
720 | |
|
|
721 | AV *av = (AV *)SvRV (sv); |
|
|
722 | int len = av_len (av) + 1; |
|
|
723 | HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); |
|
|
724 | |
|
|
725 | if (!stash) |
|
|
726 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
727 | |
|
|
728 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
729 | |
|
|
730 | if (!method) |
|
|
731 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
732 | |
|
|
733 | dSP; |
|
|
734 | |
|
|
735 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
736 | EXTEND (SP, len + 1); |
|
|
737 | // we re-bless the reference to get overload and other niceties right |
|
|
738 | PUSHs (*av_fetch (av, 0, 1)); |
|
|
739 | PUSHs (sv_cbor); |
|
|
740 | |
|
|
741 | int i; |
|
|
742 | |
|
|
743 | for (i = 1; i < len; ++i) |
|
|
744 | PUSHs (*av_fetch (av, i, 1)); |
|
|
745 | |
|
|
746 | PUTBACK; |
|
|
747 | call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL); |
|
|
748 | SPAGAIN; |
|
|
749 | |
|
|
750 | if (SvTRUE (ERRSV)) |
|
|
751 | { |
|
|
752 | FREETMPS; LEAVE; |
|
|
753 | ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV)))); |
|
|
754 | } |
|
|
755 | |
|
|
756 | SvREFCNT_dec (sv); |
|
|
757 | sv = SvREFCNT_inc (POPs); |
|
|
758 | |
|
|
759 | PUTBACK; |
|
|
760 | |
|
|
761 | FREETMPS; LEAVE; |
|
|
762 | |
|
|
763 | return sv; |
|
|
764 | } |
|
|
765 | else |
|
|
766 | { |
779 | AV *av = newAV (); |
767 | AV *av = newAV (); |
780 | av_push (av, newSVuv (tag)); |
768 | av_push (av, newSVuv (tag)); |
781 | av_push (av, sv); |
769 | av_push (av, sv); |
782 | return newRV_noinc ((SV *)av); |
770 | |
|
|
771 | HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash |
|
|
772 | ? cbor_tagged_stash |
|
|
773 | : gv_stashpv ("CBOR::XS::Tagged" , 1); |
|
|
774 | |
|
|
775 | return sv_bless (newRV_noinc ((SV *)av), tagged_stash); |
|
|
776 | } |
|
|
777 | |
|
|
778 | fail: |
|
|
779 | SvREFCNT_dec (sv); |
|
|
780 | return &PL_sv_undef; |
783 | } |
781 | } |
784 | |
782 | |
785 | static SV * |
783 | static SV * |
786 | decode_sv (dec_t *dec) |
784 | decode_sv (dec_t *dec) |
787 | { |
785 | { |
788 | WANT (1); |
786 | WANT (1); |
789 | |
787 | |
790 | switch (*dec->cur >> 5) |
788 | switch (*dec->cur >> 5) |
791 | { |
789 | { |
792 | case 0: // unsigned int |
790 | case 0: // unsigned int |
793 | //TODO: 64 bit values on 3 2bit perls |
|
|
794 | return newSVuv (decode_uint (dec)); |
791 | return newSVuv (decode_uint (dec)); |
795 | case 1: // negative int |
792 | case 1: // negative int |
796 | return newSViv (-1 - (IV)decode_uint (dec)); |
793 | return newSViv (-1 - (IV)decode_uint (dec)); |
797 | case 2: // octet string |
794 | case 2: // octet string |
798 | return decode_str (dec, 0); |
795 | return decode_str (dec, 0); |
… | |
… | |
807 | case 7: // misc |
804 | case 7: // misc |
808 | switch (*dec->cur++ & 31) |
805 | switch (*dec->cur++ & 31) |
809 | { |
806 | { |
810 | case 20: |
807 | case 20: |
811 | #if CBOR_SLOW |
808 | #if CBOR_SLOW |
812 | cbor_false = get_bool ("CBOR::XS::false"); |
809 | types_false = get_bool ("Types::Serialiser::false"); |
813 | #endif |
810 | #endif |
814 | return newSVsv (cbor_false); |
811 | return newSVsv (types_false); |
815 | case 21: |
812 | case 21: |
816 | #if CBOR_SLOW |
813 | #if CBOR_SLOW |
817 | cbor_true = get_bool ("CBOR::XS::true"); |
814 | types_true = get_bool ("Types::Serialiser::true"); |
818 | #endif |
815 | #endif |
819 | return newSVsv (cbor_true); |
816 | return newSVsv (types_true); |
820 | case 22: |
817 | case 22: |
821 | return newSVsv (&PL_sv_undef); |
818 | return newSVsv (&PL_sv_undef); |
|
|
819 | case 23: |
|
|
820 | #if CBOR_SLOW |
|
|
821 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
822 | #endif |
|
|
823 | return newSVsv (types_error); |
822 | |
824 | |
823 | case 25: |
825 | case 25: |
824 | { |
826 | { |
825 | WANT (2); |
827 | WANT (2); |
826 | |
828 | |
… | |
… | |
862 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
864 | ERR ("corrupted CBOR data (reserved/unassigned major 7 value)"); |
863 | } |
865 | } |
864 | |
866 | |
865 | break; |
867 | break; |
866 | } |
868 | } |
867 | #if 0 |
|
|
868 | switch (*dec->cur) |
|
|
869 | { |
|
|
870 | //case '"': ++dec->cur; return decode_str (dec); |
|
|
871 | case '[': ++dec->cur; return decode_av (dec); |
|
|
872 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
873 | |
|
|
874 | case '-': |
|
|
875 | case '0': case '1': case '2': case '3': case '4': |
|
|
876 | case '5': case '6': case '7': case '8': case '9': |
|
|
877 | //TODO return decode_num (dec); |
|
|
878 | |
|
|
879 | case 't': |
|
|
880 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
|
|
881 | { |
|
|
882 | dec->cur += 4; |
|
|
883 | #if CBOR_SLOW |
|
|
884 | cbor_true = get_bool ("CBOR::XS::true"); |
|
|
885 | #endif |
|
|
886 | return newSVsv (cbor_true); |
|
|
887 | } |
|
|
888 | else |
|
|
889 | ERR ("'true' expected"); |
|
|
890 | |
|
|
891 | break; |
|
|
892 | |
|
|
893 | case 'f': |
|
|
894 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
895 | { |
|
|
896 | dec->cur += 5; |
|
|
897 | #if CBOR_SLOW |
|
|
898 | cbor_false = get_bool ("CBOR::XS::false"); |
|
|
899 | #endif |
|
|
900 | return newSVsv (cbor_false); |
|
|
901 | } |
|
|
902 | else |
|
|
903 | ERR ("'false' expected"); |
|
|
904 | |
|
|
905 | break; |
|
|
906 | |
|
|
907 | case 'n': |
|
|
908 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
|
|
909 | { |
|
|
910 | dec->cur += 4; |
|
|
911 | return newSVsv (&PL_sv_undef); |
|
|
912 | } |
|
|
913 | else |
|
|
914 | ERR ("'null' expected"); |
|
|
915 | |
|
|
916 | break; |
|
|
917 | |
|
|
918 | default: |
|
|
919 | ERR ("malformed CBOR string, neither array, object, number, string or atom"); |
|
|
920 | break; |
|
|
921 | } |
|
|
922 | #endif |
|
|
923 | |
869 | |
924 | fail: |
870 | fail: |
925 | return &PL_sv_undef; |
871 | return &PL_sv_undef; |
926 | } |
872 | } |
927 | |
873 | |
928 | static SV * |
874 | static SV * |
929 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
875 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
930 | { |
876 | { |
931 | dec_t dec; |
877 | dec_t dec; |
932 | SV *sv; |
878 | SV *sv; |
|
|
879 | STRLEN len; |
|
|
880 | char *data = SvPVbyte (string, len); |
933 | |
881 | |
934 | /* work around bugs in 5.10 where manipulating magic values |
|
|
935 | * makes perl ignore the magic in subsequent accesses. |
|
|
936 | * also make a copy of non-PV values, to get them into a clean |
|
|
937 | * state (SvPV should do that, but it's buggy, see below). |
|
|
938 | */ |
|
|
939 | /*SvGETMAGIC (string);*/ |
|
|
940 | if (SvMAGICAL (string) || !SvPOK (string)) |
|
|
941 | string = sv_2mortal (newSVsv (string)); |
|
|
942 | |
|
|
943 | SvUPGRADE (string, SVt_PV); |
|
|
944 | |
|
|
945 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
946 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
947 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
948 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
949 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
950 | * and hope for the best. |
|
|
951 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
952 | * assertion business is seriously broken, try yet another workaround |
|
|
953 | * for the broken -DDEBUGGING. |
|
|
954 | */ |
|
|
955 | { |
|
|
956 | #ifdef DEBUGGING |
|
|
957 | STRLEN offset = SvOK (string) ? sv_len (string) : 0; |
|
|
958 | #else |
|
|
959 | STRLEN offset = SvCUR (string); |
|
|
960 | #endif |
|
|
961 | |
|
|
962 | if (offset > cbor->max_size && cbor->max_size) |
882 | if (len > cbor->max_size && cbor->max_size) |
963 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
883 | croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", |
964 | (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); |
884 | (unsigned long)len, (unsigned long)cbor->max_size); |
965 | } |
|
|
966 | |
|
|
967 | sv_utf8_downgrade (string, 0); |
|
|
968 | |
885 | |
969 | dec.cbor = *cbor; |
886 | dec.cbor = *cbor; |
970 | dec.cur = (U8 *)SvPVX (string); |
887 | dec.cur = (U8 *)data; |
971 | dec.end = (U8 *)SvEND (string); |
888 | dec.end = (U8 *)data + len; |
972 | dec.err = 0; |
889 | dec.err = 0; |
973 | dec.depth = 0; |
890 | dec.depth = 0; |
974 | |
|
|
975 | if (dec.cbor.cb_object || dec.cbor.cb_sk_object) |
|
|
976 | ;//TODO dec.cbor.flags |= F_HOOK; |
|
|
977 | |
891 | |
978 | sv = decode_sv (&dec); |
892 | sv = decode_sv (&dec); |
979 | |
893 | |
980 | if (offset_return) |
894 | if (offset_return) |
981 | *offset_return = dec.cur; |
895 | *offset_return = dec.cur; |
… | |
… | |
985 | dec.err = "garbage after CBOR object"; |
899 | dec.err = "garbage after CBOR object"; |
986 | |
900 | |
987 | if (dec.err) |
901 | if (dec.err) |
988 | { |
902 | { |
989 | SvREFCNT_dec (sv); |
903 | SvREFCNT_dec (sv); |
990 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); |
904 | croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur); |
991 | } |
905 | } |
992 | |
906 | |
993 | sv = sv_2mortal (sv); |
907 | sv = sv_2mortal (sv); |
994 | |
908 | |
995 | return sv; |
909 | return sv; |
… | |
… | |
1001 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
915 | MODULE = CBOR::XS PACKAGE = CBOR::XS |
1002 | |
916 | |
1003 | BOOT: |
917 | BOOT: |
1004 | { |
918 | { |
1005 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
919 | cbor_stash = gv_stashpv ("CBOR::XS" , 1); |
1006 | cbor_boolean_stash = gv_stashpv ("CBOR::XS::Boolean", 1); |
920 | cbor_tagged_stash = gv_stashpv ("CBOR::XS::Tagged" , 1); |
1007 | |
921 | |
1008 | cbor_true = get_bool ("CBOR::XS::true"); |
922 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1009 | cbor_false = get_bool ("CBOR::XS::false"); |
923 | types_error_stash = gv_stashpv ("Types::Serialiser::Error" , 1); |
|
|
924 | |
|
|
925 | types_true = get_bool ("Types::Serialiser::true" ); |
|
|
926 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
927 | types_error = get_bool ("Types::Serialiser::error"); |
|
|
928 | |
|
|
929 | sv_cbor = newSVpv ("CBOR", 0); |
|
|
930 | SvREADONLY_on (sv_cbor); |
1010 | } |
931 | } |
1011 | |
932 | |
1012 | PROTOTYPES: DISABLE |
933 | PROTOTYPES: DISABLE |
1013 | |
934 | |
1014 | void CLONE (...) |
935 | void CLONE (...) |
1015 | CODE: |
936 | CODE: |
1016 | cbor_stash = 0; |
937 | cbor_stash = 0; |
|
|
938 | cbor_tagged_stash = 0; |
|
|
939 | types_error_stash = 0; |
1017 | cbor_boolean_stash = 0; |
940 | types_boolean_stash = 0; |
1018 | |
941 | |
1019 | void new (char *klass) |
942 | void new (char *klass) |
1020 | PPCODE: |
943 | PPCODE: |
1021 | { |
944 | { |
1022 | SV *pv = NEWSV (0, sizeof (CBOR)); |
945 | SV *pv = NEWSV (0, sizeof (CBOR)); |
… | |
… | |
1069 | CODE: |
992 | CODE: |
1070 | RETVAL = self->max_size; |
993 | RETVAL = self->max_size; |
1071 | OUTPUT: |
994 | OUTPUT: |
1072 | RETVAL |
995 | RETVAL |
1073 | |
996 | |
1074 | #if 0 //TODO |
|
|
1075 | |
|
|
1076 | void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef) |
|
|
1077 | PPCODE: |
|
|
1078 | { |
|
|
1079 | SvREFCNT_dec (self->cb_object); |
|
|
1080 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1081 | |
|
|
1082 | XPUSHs (ST (0)); |
|
|
1083 | } |
|
|
1084 | |
|
|
1085 | void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef) |
|
|
1086 | PPCODE: |
|
|
1087 | { |
|
|
1088 | if (!self->cb_sk_object) |
|
|
1089 | self->cb_sk_object = newHV (); |
|
|
1090 | |
|
|
1091 | if (SvOK (cb)) |
|
|
1092 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
1093 | else |
|
|
1094 | { |
|
|
1095 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
1096 | |
|
|
1097 | if (!HvKEYS (self->cb_sk_object)) |
|
|
1098 | { |
|
|
1099 | SvREFCNT_dec (self->cb_sk_object); |
|
|
1100 | self->cb_sk_object = 0; |
|
|
1101 | } |
|
|
1102 | } |
|
|
1103 | |
|
|
1104 | XPUSHs (ST (0)); |
|
|
1105 | } |
|
|
1106 | |
|
|
1107 | #endif |
|
|
1108 | |
|
|
1109 | void encode (CBOR *self, SV *scalar) |
997 | void encode (CBOR *self, SV *scalar) |
1110 | PPCODE: |
998 | PPCODE: |
1111 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
999 | PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; |
1112 | XPUSHs (scalar); |
1000 | XPUSHs (scalar); |
1113 | |
1001 | |
… | |
… | |
1125 | EXTEND (SP, 2); |
1013 | EXTEND (SP, 2); |
1126 | PUSHs (sv); |
1014 | PUSHs (sv); |
1127 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1015 | PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); |
1128 | } |
1016 | } |
1129 | |
1017 | |
1130 | void DESTROY (CBOR *self) |
|
|
1131 | CODE: |
|
|
1132 | SvREFCNT_dec (self->cb_sk_object); |
|
|
1133 | SvREFCNT_dec (self->cb_object); |
|
|
1134 | |
|
|
1135 | PROTOTYPES: ENABLE |
1018 | PROTOTYPES: ENABLE |
1136 | |
1019 | |
1137 | void encode_cbor (SV *scalar) |
1020 | void encode_cbor (SV *scalar) |
1138 | PPCODE: |
1021 | PPCODE: |
1139 | { |
1022 | { |