… | |
… | |
100 | #define F_SHRINK 0x00000001UL |
100 | #define F_SHRINK 0x00000001UL |
101 | #define F_ALLOW_UNKNOWN 0x00000002UL |
101 | #define F_ALLOW_UNKNOWN 0x00000002UL |
102 | #define F_ALLOW_SHARING 0x00000004UL |
102 | #define F_ALLOW_SHARING 0x00000004UL |
103 | #define F_ALLOW_CYCLES 0x00000008UL |
103 | #define F_ALLOW_CYCLES 0x00000008UL |
104 | #define F_PACK_STRINGS 0x00000010UL |
104 | #define F_PACK_STRINGS 0x00000010UL |
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105 | #define F_UTF8_STRINGS 0x00000020UL |
105 | #define F_VALIDATE_UTF8 0x00000020UL |
106 | #define F_VALIDATE_UTF8 0x00000040UL |
106 | |
107 | |
107 | #define INIT_SIZE 32 // initial scalar size to be allocated |
108 | #define INIT_SIZE 32 // initial scalar size to be allocated |
108 | |
109 | |
109 | #define SB do { |
110 | #define SB do { |
110 | #define SE } while (0) |
111 | #define SE } while (0) |
… | |
… | |
279 | } |
280 | } |
280 | |
281 | |
281 | ecb_inline void |
282 | ecb_inline void |
282 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
283 | encode_str (enc_t *enc, int utf8, char *str, STRLEN len) |
283 | { |
284 | { |
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285 | if (ecb_expect_false (enc->cbor.flags & F_UTF8_STRINGS)) |
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286 | if (!utf8) |
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287 | { |
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288 | // exceptional path for bytze strings that need to be utf8-encoded |
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289 | STRLEN ulen = len; |
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290 | U8 *p, *pend = (U8 *)str + len; |
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291 | |
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292 | for (p = (U8 *)str; p < pend; ++p) |
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293 | ulen += *p >> 7; // count set high bits |
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294 | |
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295 | encode_uint (enc, MAJOR_TEXT, ulen); |
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296 | |
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297 | need (enc, ulen); |
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298 | for (p = (U8 *)str; p < pend; ++p) |
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299 | if (*p < 0x80) |
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300 | *enc->cur++ = *p; |
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301 | else |
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302 | { |
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303 | *enc->cur++ = 0xc0 + (*p >> 6); |
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304 | *enc->cur++ = 0x80 + (*p & 63); |
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305 | } |
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306 | |
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307 | return; |
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308 | } |
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309 | |
284 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
310 | encode_uint (enc, utf8 ? MAJOR_TEXT : MAJOR_BYTES, len); |
285 | need (enc, len); |
311 | need (enc, len); |
286 | memcpy (enc->cur, str, len); |
312 | memcpy (enc->cur, str, len); |
287 | enc->cur += len; |
313 | enc->cur += len; |
288 | } |
314 | } |
… | |
… | |
324 | |
350 | |
325 | ++enc->depth; |
351 | ++enc->depth; |
326 | |
352 | |
327 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
353 | encode_uint (enc, MAJOR_ARRAY, len + 1); |
328 | |
354 | |
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355 | if (SvMAGICAL (av)) |
329 | for (i = 0; i <= len; ++i) |
356 | for (i = 0; i <= len; ++i) |
330 | { |
357 | { |
331 | SV **svp = av_fetch (av, i, 0); |
358 | SV **svp = av_fetch (av, i, 0); |
332 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
359 | encode_sv (enc, svp ? *svp : &PL_sv_undef); |
333 | } |
360 | } |
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361 | else |
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362 | for (i = 0; i <= len; ++i) |
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363 | { |
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364 | SV *sv = AvARRAY (av)[i]; |
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365 | encode_sv (enc, sv ? sv : &PL_sv_undef); |
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366 | } |
334 | |
367 | |
335 | --enc->depth; |
368 | --enc->depth; |
336 | } |
369 | } |
337 | |
370 | |
338 | static void |
371 | static void |
… | |
… | |
442 | |
475 | |
443 | if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
476 | if ((method = gv_fetchmethod_autoload (stash, "TO_CBOR", 0))) |
444 | { |
477 | { |
445 | dSP; |
478 | dSP; |
446 | |
479 | |
447 | ENTER; SAVETMPS; PUSHMARK (SP); |
480 | ENTER; SAVETMPS; |
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|
481 | PUSHMARK (SP); |
448 | // we re-bless the reference to get overload and other niceties right |
482 | // we re-bless the reference to get overload and other niceties right |
449 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
483 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
450 | |
484 | |
451 | PUTBACK; |
485 | PUTBACK; |
452 | // G_SCALAR ensures that return value is 1 |
486 | // G_SCALAR ensures that return value is 1 |
… | |
… | |
465 | } |
499 | } |
466 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
500 | else if ((method = gv_fetchmethod_autoload (stash, "FREEZE", 0)) != 0) |
467 | { |
501 | { |
468 | dSP; |
502 | dSP; |
469 | |
503 | |
470 | ENTER; SAVETMPS; PUSHMARK (SP); |
504 | ENTER; SAVETMPS; |
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505 | SAVESTACK_POS (); |
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506 | PUSHMARK (SP); |
471 | EXTEND (SP, 2); |
507 | EXTEND (SP, 2); |
472 | // we re-bless the reference to get overload and other niceties right |
508 | // we re-bless the reference to get overload and other niceties right |
473 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
509 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
474 | PUSHs (sv_cbor); |
510 | PUSHs (sv_cbor); |
475 | |
511 | |
… | |
… | |
577 | } |
613 | } |
578 | |
614 | |
579 | static SV * |
615 | static SV * |
580 | encode_cbor (SV *scalar, CBOR *cbor) |
616 | encode_cbor (SV *scalar, CBOR *cbor) |
581 | { |
617 | { |
582 | enc_t enc = { }; |
618 | enc_t enc = { 0 }; |
583 | |
619 | |
584 | enc.cbor = *cbor; |
620 | enc.cbor = *cbor; |
585 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
621 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
586 | enc.cur = SvPVX (enc.sv); |
622 | enc.cur = SvPVX (enc.sv); |
587 | enc.end = SvEND (enc.sv); |
623 | enc.end = SvEND (enc.sv); |
… | |
… | |
742 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
778 | if (ecb_expect_true ((U8)(*dec->cur - MAJOR_BYTES) <= LENGTH_EXT8)) |
743 | { |
779 | { |
744 | I32 len = decode_uint (dec); |
780 | I32 len = decode_uint (dec); |
745 | char *key = (char *)dec->cur; |
781 | char *key = (char *)dec->cur; |
746 | |
782 | |
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783 | WANT (len); |
747 | dec->cur += len; |
784 | dec->cur += len; |
748 | |
785 | |
749 | hv_store (hv, key, len, decode_sv (dec), 0); |
786 | hv_store (hv, key, len, decode_sv (dec), 0); |
750 | |
787 | |
751 | return; |
788 | return; |
752 | } |
789 | } |
753 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
790 | else if (ecb_expect_true ((U8)(*dec->cur - MAJOR_TEXT) <= LENGTH_EXT8)) |
754 | { |
791 | { |
755 | I32 len = decode_uint (dec); |
792 | I32 len = decode_uint (dec); |
756 | char *key = (char *)dec->cur; |
793 | char *key = (char *)dec->cur; |
757 | |
794 | |
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795 | WANT (len); |
758 | dec->cur += len; |
796 | dec->cur += len; |
759 | |
797 | |
760 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
798 | if (ecb_expect_false (dec->cbor.flags & F_VALIDATE_UTF8)) |
761 | if (!is_utf8_string (key, len)) |
799 | if (!is_utf8_string (key, len)) |
762 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
800 | ERR ("corrupted CBOR data (invalid UTF-8 in map key)"); |
… | |
… | |
985 | if (!method) |
1023 | if (!method) |
986 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
1024 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
987 | |
1025 | |
988 | dSP; |
1026 | dSP; |
989 | |
1027 | |
990 | ENTER; SAVETMPS; PUSHMARK (SP); |
1028 | ENTER; SAVETMPS; |
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1029 | PUSHMARK (SP); |
991 | EXTEND (SP, len + 1); |
1030 | EXTEND (SP, len + 1); |
992 | // we re-bless the reference to get overload and other niceties right |
1031 | // we re-bless the reference to get overload and other niceties right |
993 | PUSHs (*av_fetch (av, 0, 1)); |
1032 | PUSHs (*av_fetch (av, 0, 1)); |
994 | PUSHs (sv_cbor); |
1033 | PUSHs (sv_cbor); |
995 | |
1034 | |
… | |
… | |
1020 | default: |
1059 | default: |
1021 | { |
1060 | { |
1022 | sv = decode_sv (dec); |
1061 | sv = decode_sv (dec); |
1023 | |
1062 | |
1024 | dSP; |
1063 | dSP; |
1025 | ENTER; SAVETMPS; PUSHMARK (SP); |
1064 | ENTER; SAVETMPS; |
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1065 | SAVESTACK_POS (); |
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1066 | PUSHMARK (SP); |
1026 | EXTEND (SP, 2); |
1067 | EXTEND (SP, 2); |
1027 | PUSHs (newSVuv (tag)); |
1068 | PUSHs (newSVuv (tag)); |
1028 | PUSHs (sv); |
1069 | PUSHs (sv); |
1029 | |
1070 | |
1030 | PUTBACK; |
1071 | PUTBACK; |
… | |
… | |
1156 | } |
1197 | } |
1157 | |
1198 | |
1158 | static SV * |
1199 | static SV * |
1159 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1200 | decode_cbor (SV *string, CBOR *cbor, char **offset_return) |
1160 | { |
1201 | { |
1161 | dec_t dec = { }; |
1202 | dec_t dec = { 0 }; |
1162 | SV *sv; |
1203 | SV *sv; |
1163 | STRLEN len; |
1204 | STRLEN len; |
1164 | char *data = SvPVbyte (string, len); |
1205 | char *data = SvPVbyte (string, len); |
1165 | |
1206 | |
1166 | if (len > cbor->max_size && cbor->max_size) |
1207 | if (len > cbor->max_size && cbor->max_size) |
… | |
… | |
1257 | |
1298 | |
1258 | int major = *p >> MAJOR_SHIFT; |
1299 | int major = *p >> MAJOR_SHIFT; |
1259 | |
1300 | |
1260 | switch (major) |
1301 | switch (major) |
1261 | { |
1302 | { |
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1303 | case MAJOR_TAG >> MAJOR_SHIFT: |
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|
1304 | ++count; // tags merely prefix another value |
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|
1305 | break; |
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|
1306 | |
1262 | case MAJOR_BYTES >> MAJOR_SHIFT: |
1307 | case MAJOR_BYTES >> MAJOR_SHIFT: |
1263 | case MAJOR_TEXT >> MAJOR_SHIFT: |
1308 | case MAJOR_TEXT >> MAJOR_SHIFT: |
1264 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
1309 | case MAJOR_ARRAY >> MAJOR_SHIFT: |
1265 | case MAJOR_MAP >> MAJOR_SHIFT: |
1310 | case MAJOR_MAP >> MAJOR_SHIFT: |
1266 | { |
1311 | { |
… | |
… | |
1371 | shrink = F_SHRINK |
1416 | shrink = F_SHRINK |
1372 | allow_unknown = F_ALLOW_UNKNOWN |
1417 | allow_unknown = F_ALLOW_UNKNOWN |
1373 | allow_sharing = F_ALLOW_SHARING |
1418 | allow_sharing = F_ALLOW_SHARING |
1374 | allow_cycles = F_ALLOW_CYCLES |
1419 | allow_cycles = F_ALLOW_CYCLES |
1375 | pack_strings = F_PACK_STRINGS |
1420 | pack_strings = F_PACK_STRINGS |
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1421 | utf8_strings = F_UTF8_STRINGS |
1376 | validate_utf8 = F_VALIDATE_UTF8 |
1422 | validate_utf8 = F_VALIDATE_UTF8 |
1377 | PPCODE: |
1423 | PPCODE: |
1378 | { |
1424 | { |
1379 | if (enable) |
1425 | if (enable) |
1380 | self->flags |= ix; |
1426 | self->flags |= ix; |