… | |
… | |
15 | |
15 | |
16 | // some old perls do not have this, try to make it work, no |
16 | // some old perls do not have this, try to make it work, no |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | #ifndef UTF8_MAXBYTES |
18 | #ifndef UTF8_MAXBYTES |
19 | # define UTF8_MAXBYTES 13 |
19 | # define UTF8_MAXBYTES 13 |
|
|
20 | #endif |
|
|
21 | |
|
|
22 | // compatibility with perl <5.18 |
|
|
23 | #ifndef HvNAMELEN_get |
|
|
24 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
|
|
25 | #endif |
|
|
26 | #ifndef HvNAMELEN |
|
|
27 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
|
|
28 | #endif |
|
|
29 | #ifndef HvNAMEUTF8 |
|
|
30 | # define HvNAMEUTF8(hv) 0 |
20 | #endif |
31 | #endif |
21 | |
32 | |
22 | // three extra for rounding, sign, and end of string |
33 | // three extra for rounding, sign, and end of string |
23 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
34 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
24 | |
35 | |
… | |
… | |
33 | #define F_SHRINK 0x00000200UL |
44 | #define F_SHRINK 0x00000200UL |
34 | #define F_ALLOW_BLESSED 0x00000400UL |
45 | #define F_ALLOW_BLESSED 0x00000400UL |
35 | #define F_CONV_BLESSED 0x00000800UL |
46 | #define F_CONV_BLESSED 0x00000800UL |
36 | #define F_RELAXED 0x00001000UL |
47 | #define F_RELAXED 0x00001000UL |
37 | #define F_ALLOW_UNKNOWN 0x00002000UL |
48 | #define F_ALLOW_UNKNOWN 0x00002000UL |
|
|
49 | #define F_ALLOW_TAGS 0x00004000UL |
38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
50 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
39 | |
51 | |
40 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
52 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
41 | |
53 | |
42 | #define INIT_SIZE 32 // initial scalar size to be allocated |
54 | #define INIT_SIZE 32 // initial scalar size to be allocated |
… | |
… | |
72 | #else |
84 | #else |
73 | # define JSON_SLOW 0 |
85 | # define JSON_SLOW 0 |
74 | # define JSON_STASH json_stash |
86 | # define JSON_STASH json_stash |
75 | #endif |
87 | #endif |
76 | |
88 | |
|
|
89 | // the amount of HEs to allocate on the stack, when sorting keys |
|
|
90 | #define STACK_HES 64 |
|
|
91 | |
77 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | static HV *json_stash, *types_boolean_stash; // JSON::XS:: |
78 | static SV *json_true, *json_false; |
93 | static SV *types_true, *types_false, *sv_json; |
79 | |
94 | |
80 | enum { |
95 | enum { |
81 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
96 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
82 | INCR_M_STR, // inside string |
97 | INCR_M_STR, // inside string |
83 | INCR_M_BS, // inside backslash |
98 | INCR_M_BS, // inside backslash |
… | |
… | |
260 | } |
275 | } |
261 | |
276 | |
262 | // this relies greatly on the quality of the pow () |
277 | // this relies greatly on the quality of the pow () |
263 | // implementation of the platform, but a good |
278 | // implementation of the platform, but a good |
264 | // implementation is hard to beat. |
279 | // implementation is hard to beat. |
|
|
280 | // (IEEE 754 conformant ones are required to be exact) |
265 | if (postdp) *expo -= eaccum; |
281 | if (postdp) *expo -= eaccum; |
266 | *accum += uaccum * Perl_pow (10., *expo); |
282 | *accum += uaccum * Perl_pow (10., *expo); |
267 | *expo += eaccum; |
283 | *expo += eaccum; |
268 | } |
284 | } |
269 | |
285 | |
… | |
… | |
479 | |
495 | |
480 | if (enc->indent >= enc->json.max_depth) |
496 | if (enc->indent >= enc->json.max_depth) |
481 | croak (ERR_NESTING_EXCEEDED); |
497 | croak (ERR_NESTING_EXCEEDED); |
482 | |
498 | |
483 | encode_ch (enc, '['); |
499 | encode_ch (enc, '['); |
484 | |
500 | |
485 | if (len >= 0) |
501 | if (len >= 0) |
486 | { |
502 | { |
487 | encode_nl (enc); ++enc->indent; |
503 | encode_nl (enc); ++enc->indent; |
488 | |
504 | |
489 | for (i = 0; i <= len; ++i) |
505 | for (i = 0; i <= len; ++i) |
… | |
… | |
501 | encode_comma (enc); |
517 | encode_comma (enc); |
502 | } |
518 | } |
503 | |
519 | |
504 | encode_nl (enc); --enc->indent; encode_indent (enc); |
520 | encode_nl (enc); --enc->indent; encode_indent (enc); |
505 | } |
521 | } |
506 | |
522 | |
507 | encode_ch (enc, ']'); |
523 | encode_ch (enc, ']'); |
508 | } |
524 | } |
509 | |
525 | |
510 | static void |
526 | static void |
511 | encode_hk (enc_t *enc, HE *he) |
527 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
515 | if (HeKLEN (he) == HEf_SVKEY) |
531 | if (HeKLEN (he) == HEf_SVKEY) |
516 | { |
532 | { |
517 | SV *sv = HeSVKEY (he); |
533 | SV *sv = HeSVKEY (he); |
518 | STRLEN len; |
534 | STRLEN len; |
519 | char *str; |
535 | char *str; |
520 | |
536 | |
521 | SvGETMAGIC (sv); |
537 | SvGETMAGIC (sv); |
522 | str = SvPV (sv, len); |
538 | str = SvPV (sv, len); |
523 | |
539 | |
524 | encode_str (enc, str, len, SvUTF8 (sv)); |
540 | encode_str (enc, str, len, SvUTF8 (sv)); |
525 | } |
541 | } |
… | |
… | |
591 | } |
607 | } |
592 | |
608 | |
593 | if (count) |
609 | if (count) |
594 | { |
610 | { |
595 | int i, fast = 1; |
611 | int i, fast = 1; |
596 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
612 | HE *hes_stack [STACK_HES]; |
597 | HE **hes = _alloca (count * sizeof (HE)); |
613 | HE **hes = hes_stack; |
598 | #else |
614 | |
599 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
615 | // allocate larger arrays on the heap |
600 | #endif |
616 | if (count > STACK_HES) |
|
|
617 | { |
|
|
618 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
619 | hes = (HE **)SvPVX (sv); |
|
|
620 | } |
601 | |
621 | |
602 | i = 0; |
622 | i = 0; |
603 | while ((he = hv_iternext (hv))) |
623 | while ((he = hv_iternext (hv))) |
604 | { |
624 | { |
605 | hes [i++] = he; |
625 | hes [i++] = he; |
… | |
… | |
674 | // encode objects, arrays and special \0=false and \1=true values. |
694 | // encode objects, arrays and special \0=false and \1=true values. |
675 | static void |
695 | static void |
676 | encode_rv (enc_t *enc, SV *sv) |
696 | encode_rv (enc_t *enc, SV *sv) |
677 | { |
697 | { |
678 | svtype svt; |
698 | svtype svt; |
|
|
699 | GV *method; |
679 | |
700 | |
680 | SvGETMAGIC (sv); |
701 | SvGETMAGIC (sv); |
681 | svt = SvTYPE (sv); |
702 | svt = SvTYPE (sv); |
682 | |
703 | |
683 | if (expect_false (SvOBJECT (sv))) |
704 | if (expect_false (SvOBJECT (sv))) |
684 | { |
705 | { |
685 | HV *stash = !JSON_SLOW || json_boolean_stash |
706 | HV *boolean_stash = !JSON_SLOW || types_boolean_stash |
686 | ? json_boolean_stash |
707 | ? types_boolean_stash |
687 | : gv_stashpv ("JSON::XS::Boolean", 1); |
708 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
|
|
709 | HV *stash = SvSTASH (sv); |
688 | |
710 | |
689 | if (SvSTASH (sv) == stash) |
711 | if (stash == boolean_stash) |
690 | { |
712 | { |
691 | if (SvIV (sv)) |
713 | if (SvIV (sv)) |
692 | encode_str (enc, "true", 4, 0); |
714 | encode_str (enc, "true", 4, 0); |
693 | else |
715 | else |
694 | encode_str (enc, "false", 5, 0); |
716 | encode_str (enc, "false", 5, 0); |
695 | } |
717 | } |
|
|
718 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
719 | { |
|
|
720 | int count; |
|
|
721 | dSP; |
|
|
722 | |
|
|
723 | ENTER; SAVETMPS; |
|
|
724 | SAVESTACK_POS (); |
|
|
725 | PUSHMARK (SP); |
|
|
726 | EXTEND (SP, 2); |
|
|
727 | // we re-bless the reference to get overload and other niceties right |
|
|
728 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
729 | PUSHs (sv_json); |
|
|
730 | |
|
|
731 | PUTBACK; |
|
|
732 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
733 | SPAGAIN; |
|
|
734 | |
|
|
735 | // catch this surprisingly common error |
|
|
736 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
737 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
738 | |
|
|
739 | encode_ch (enc, '('); |
|
|
740 | encode_ch (enc, '"'); |
|
|
741 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
742 | encode_ch (enc, '"'); |
|
|
743 | encode_ch (enc, ')'); |
|
|
744 | encode_ch (enc, '['); |
|
|
745 | |
|
|
746 | while (count) |
|
|
747 | { |
|
|
748 | encode_sv (enc, SP[1 - count--]); |
|
|
749 | |
|
|
750 | if (count) |
|
|
751 | encode_ch (enc, ','); |
|
|
752 | } |
|
|
753 | |
|
|
754 | encode_ch (enc, ']'); |
|
|
755 | |
|
|
756 | FREETMPS; LEAVE; |
|
|
757 | } |
|
|
758 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
759 | { |
|
|
760 | dSP; |
|
|
761 | |
|
|
762 | ENTER; SAVETMPS; |
|
|
763 | PUSHMARK (SP); |
|
|
764 | // we re-bless the reference to get overload and other niceties right |
|
|
765 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
766 | |
|
|
767 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
768 | PUTBACK; |
|
|
769 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
770 | SPAGAIN; |
|
|
771 | |
|
|
772 | // catch this surprisingly common error |
|
|
773 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
774 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
775 | |
|
|
776 | sv = POPs; |
|
|
777 | PUTBACK; |
|
|
778 | |
|
|
779 | encode_sv (enc, sv); |
|
|
780 | |
|
|
781 | FREETMPS; LEAVE; |
|
|
782 | } |
|
|
783 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
784 | encode_str (enc, "null", 4, 0); |
696 | else |
785 | else |
697 | { |
|
|
698 | #if 0 |
|
|
699 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
700 | { |
|
|
701 | // not yet |
|
|
702 | } |
|
|
703 | #endif |
|
|
704 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
705 | { |
|
|
706 | // we re-bless the reference to get overload and other niceties right |
|
|
707 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
708 | |
|
|
709 | if (to_json) |
|
|
710 | { |
|
|
711 | dSP; |
|
|
712 | |
|
|
713 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
714 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
715 | |
|
|
716 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
717 | PUTBACK; |
|
|
718 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
719 | SPAGAIN; |
|
|
720 | |
|
|
721 | // catch this surprisingly common error |
|
|
722 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
723 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
724 | |
|
|
725 | sv = POPs; |
|
|
726 | PUTBACK; |
|
|
727 | |
|
|
728 | encode_sv (enc, sv); |
|
|
729 | |
|
|
730 | FREETMPS; LEAVE; |
|
|
731 | } |
|
|
732 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
733 | encode_str (enc, "null", 4, 0); |
|
|
734 | else |
|
|
735 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
736 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
737 | } |
|
|
738 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
739 | encode_str (enc, "null", 4, 0); |
|
|
740 | else |
|
|
741 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
786 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
742 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
787 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
743 | } |
|
|
744 | } |
788 | } |
745 | else if (svt == SVt_PVHV) |
789 | else if (svt == SVt_PVHV) |
746 | encode_hv (enc, (HV *)sv); |
790 | encode_hv (enc, (HV *)sv); |
747 | else if (svt == SVt_PVAV) |
791 | else if (svt == SVt_PVAV) |
748 | encode_av (enc, (AV *)sv); |
792 | encode_av (enc, (AV *)sv); |
… | |
… | |
824 | } |
868 | } |
825 | else |
869 | else |
826 | { |
870 | { |
827 | // large integer, use the (rather slow) snprintf way. |
871 | // large integer, use the (rather slow) snprintf way. |
828 | need (enc, IVUV_MAXCHARS); |
872 | need (enc, IVUV_MAXCHARS); |
829 | enc->cur += |
873 | enc->cur += |
830 | SvIsUV(sv) |
874 | SvIsUV(sv) |
831 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
875 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
832 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
876 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
833 | } |
877 | } |
834 | } |
878 | } |
835 | else if (SvROK (sv)) |
879 | else if (SvROK (sv)) |
836 | encode_rv (enc, SvRV (sv)); |
880 | encode_rv (enc, SvRV (sv)); |
837 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
881 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
838 | encode_str (enc, "null", 4, 0); |
882 | encode_str (enc, "null", 4, 0); |
839 | else |
883 | else |
840 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
884 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
841 | SvPV_nolen (sv), SvFLAGS (sv)); |
885 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
|
|
886 | } |
|
|
887 | |
|
|
888 | static int |
|
|
889 | json_scalar (SV *scalar) |
|
|
890 | { |
|
|
891 | return 0;//D |
|
|
892 | if (!SvROK (scalar)) |
|
|
893 | return 1; |
842 | } |
894 | } |
843 | |
895 | |
844 | static SV * |
896 | static SV * |
845 | encode_json (SV *scalar, JSON *json) |
897 | encode_json (SV *scalar, JSON *json) |
846 | { |
898 | { |
847 | enc_t enc; |
899 | enc_t enc; |
848 | |
900 | |
849 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
901 | if (!(json->flags & F_ALLOW_NONREF) && json_scalar (scalar)) |
850 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
902 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
851 | |
903 | |
852 | enc.json = *json; |
904 | enc.json = *json; |
853 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
905 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
854 | enc.cur = SvPVX (enc.sv); |
906 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
1061 | *cur++ = *dec_cur++; |
1113 | *cur++ = *dec_cur++; |
1062 | while (--clen); |
1114 | while (--clen); |
1063 | |
1115 | |
1064 | utf8 = 1; |
1116 | utf8 = 1; |
1065 | } |
1117 | } |
|
|
1118 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1119 | *cur++ = ch; |
1066 | else |
1120 | else |
1067 | { |
1121 | { |
1068 | --dec_cur; |
1122 | --dec_cur; |
1069 | |
1123 | |
1070 | if (!ch) |
1124 | if (!ch) |
… | |
… | |
1258 | if (*dec->cur == ']') |
1312 | if (*dec->cur == ']') |
1259 | { |
1313 | { |
1260 | ++dec->cur; |
1314 | ++dec->cur; |
1261 | break; |
1315 | break; |
1262 | } |
1316 | } |
1263 | |
1317 | |
1264 | if (*dec->cur != ',') |
1318 | if (*dec->cur != ',') |
1265 | ERR (", or ] expected while parsing array"); |
1319 | ERR (", or ] expected while parsing array"); |
1266 | |
1320 | |
1267 | ++dec->cur; |
1321 | ++dec->cur; |
1268 | |
1322 | |
… | |
… | |
1392 | |
1446 | |
1393 | hv_iterinit (hv); |
1447 | hv_iterinit (hv); |
1394 | he = hv_iternext (hv); |
1448 | he = hv_iternext (hv); |
1395 | hv_iterinit (hv); |
1449 | hv_iterinit (hv); |
1396 | |
1450 | |
1397 | // the next line creates a mortal sv each time its called. |
1451 | // the next line creates a mortal sv each time it's called. |
1398 | // might want to optimise this for common cases. |
1452 | // might want to optimise this for common cases. |
1399 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1453 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1400 | |
1454 | |
1401 | if (cb) |
1455 | if (cb) |
1402 | { |
1456 | { |
1403 | dSP; |
1457 | dSP; |
1404 | int count; |
1458 | int count; |
1405 | |
1459 | |
1406 | ENTER; SAVETMPS; PUSHMARK (SP); |
1460 | ENTER; SAVETMPS; |
|
|
1461 | SAVESTACK_POS (); |
|
|
1462 | PUSHMARK (SP); |
1407 | XPUSHs (HeVAL (he)); |
1463 | XPUSHs (HeVAL (he)); |
1408 | sv_2mortal (sv); |
1464 | sv_2mortal (sv); |
1409 | |
1465 | |
1410 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1466 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1411 | |
1467 | |
… | |
… | |
1424 | if (dec->json.cb_object) |
1480 | if (dec->json.cb_object) |
1425 | { |
1481 | { |
1426 | dSP; |
1482 | dSP; |
1427 | int count; |
1483 | int count; |
1428 | |
1484 | |
1429 | ENTER; SAVETMPS; PUSHMARK (SP); |
1485 | ENTER; SAVETMPS; |
|
|
1486 | SAVESTACK_POS (); |
|
|
1487 | PUSHMARK (SP); |
1430 | XPUSHs (sv_2mortal (sv)); |
1488 | XPUSHs (sv_2mortal (sv)); |
1431 | |
1489 | |
1432 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1490 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1433 | |
1491 | |
1434 | if (count == 1) |
1492 | if (count == 1) |
… | |
… | |
1450 | DEC_DEC_DEPTH; |
1508 | DEC_DEC_DEPTH; |
1451 | return 0; |
1509 | return 0; |
1452 | } |
1510 | } |
1453 | |
1511 | |
1454 | static SV * |
1512 | static SV * |
|
|
1513 | decode_tag (dec_t *dec) |
|
|
1514 | { |
|
|
1515 | SV *tag = 0; |
|
|
1516 | SV *val = 0; |
|
|
1517 | |
|
|
1518 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1519 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1520 | |
|
|
1521 | ++dec->cur; |
|
|
1522 | |
|
|
1523 | decode_ws (dec); |
|
|
1524 | |
|
|
1525 | tag = decode_sv (dec); |
|
|
1526 | if (!tag) |
|
|
1527 | goto fail; |
|
|
1528 | |
|
|
1529 | if (!SvPOK (tag)) |
|
|
1530 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1531 | |
|
|
1532 | decode_ws (dec); |
|
|
1533 | |
|
|
1534 | if (*dec->cur != ')') |
|
|
1535 | ERR (") expected after tag"); |
|
|
1536 | |
|
|
1537 | ++dec->cur; |
|
|
1538 | |
|
|
1539 | decode_ws (dec); |
|
|
1540 | |
|
|
1541 | val = decode_sv (dec); |
|
|
1542 | if (!val) |
|
|
1543 | goto fail; |
|
|
1544 | |
|
|
1545 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1546 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1547 | |
|
|
1548 | { |
|
|
1549 | AV *av = (AV *)SvRV (val); |
|
|
1550 | int i, len = av_len (av) + 1; |
|
|
1551 | HV *stash = gv_stashsv (tag, 0); |
|
|
1552 | SV *sv; |
|
|
1553 | |
|
|
1554 | if (!stash) |
|
|
1555 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1556 | |
|
|
1557 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1558 | |
|
|
1559 | if (!method) |
|
|
1560 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1561 | |
|
|
1562 | dSP; |
|
|
1563 | |
|
|
1564 | ENTER; SAVETMPS; |
|
|
1565 | PUSHMARK (SP); |
|
|
1566 | EXTEND (SP, len + 2); |
|
|
1567 | // we re-bless the reference to get overload and other niceties right |
|
|
1568 | PUSHs (tag); |
|
|
1569 | PUSHs (sv_json); |
|
|
1570 | |
|
|
1571 | for (i = 0; i < len; ++i) |
|
|
1572 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1573 | |
|
|
1574 | PUTBACK; |
|
|
1575 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1576 | SPAGAIN; |
|
|
1577 | |
|
|
1578 | SvREFCNT_dec (tag); |
|
|
1579 | SvREFCNT_dec (val); |
|
|
1580 | sv = SvREFCNT_inc (POPs); |
|
|
1581 | |
|
|
1582 | PUTBACK; |
|
|
1583 | |
|
|
1584 | FREETMPS; LEAVE; |
|
|
1585 | |
|
|
1586 | return sv; |
|
|
1587 | } |
|
|
1588 | |
|
|
1589 | fail: |
|
|
1590 | SvREFCNT_dec (tag); |
|
|
1591 | SvREFCNT_dec (val); |
|
|
1592 | return 0; |
|
|
1593 | } |
|
|
1594 | |
|
|
1595 | static SV * |
1455 | decode_sv (dec_t *dec) |
1596 | decode_sv (dec_t *dec) |
1456 | { |
1597 | { |
1457 | // the beauty of JSON: you need exactly one character lookahead |
1598 | // the beauty of JSON: you need exactly one character lookahead |
1458 | // to parse everything. |
1599 | // to parse everything. |
1459 | switch (*dec->cur) |
1600 | switch (*dec->cur) |
1460 | { |
1601 | { |
1461 | case '"': ++dec->cur; return decode_str (dec); |
1602 | case '"': ++dec->cur; return decode_str (dec); |
1462 | case '[': ++dec->cur; return decode_av (dec); |
1603 | case '[': ++dec->cur; return decode_av (dec); |
1463 | case '{': ++dec->cur; return decode_hv (dec); |
1604 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1605 | case '(': return decode_tag (dec); |
1464 | |
1606 | |
1465 | case '-': |
1607 | case '-': |
1466 | case '0': case '1': case '2': case '3': case '4': |
1608 | case '0': case '1': case '2': case '3': case '4': |
1467 | case '5': case '6': case '7': case '8': case '9': |
1609 | case '5': case '6': case '7': case '8': case '9': |
1468 | return decode_num (dec); |
1610 | return decode_num (dec); |
… | |
… | |
1470 | case 't': |
1612 | case 't': |
1471 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1613 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1472 | { |
1614 | { |
1473 | dec->cur += 4; |
1615 | dec->cur += 4; |
1474 | #if JSON_SLOW |
1616 | #if JSON_SLOW |
1475 | json_true = get_bool ("JSON::XS::true"); |
1617 | types_true = get_bool ("Types::Serialiser::true"); |
1476 | #endif |
1618 | #endif |
1477 | return newSVsv (json_true); |
1619 | return newSVsv (types_true); |
1478 | } |
1620 | } |
1479 | else |
1621 | else |
1480 | ERR ("'true' expected"); |
1622 | ERR ("'true' expected"); |
1481 | |
1623 | |
1482 | break; |
1624 | break; |
… | |
… | |
1484 | case 'f': |
1626 | case 'f': |
1485 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1627 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1486 | { |
1628 | { |
1487 | dec->cur += 5; |
1629 | dec->cur += 5; |
1488 | #if JSON_SLOW |
1630 | #if JSON_SLOW |
1489 | json_false = get_bool ("JSON::XS::false"); |
1631 | types_false = get_bool ("Types::Serialiser::false"); |
1490 | #endif |
1632 | #endif |
1491 | return newSVsv (json_false); |
1633 | return newSVsv (types_false); |
1492 | } |
1634 | } |
1493 | else |
1635 | else |
1494 | ERR ("'false' expected"); |
1636 | ERR ("'false' expected"); |
1495 | |
1637 | |
1496 | break; |
1638 | break; |
… | |
… | |
1505 | ERR ("'null' expected"); |
1647 | ERR ("'null' expected"); |
1506 | |
1648 | |
1507 | break; |
1649 | break; |
1508 | |
1650 | |
1509 | default: |
1651 | default: |
1510 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1652 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1511 | break; |
1653 | break; |
1512 | } |
1654 | } |
1513 | |
1655 | |
1514 | fail: |
1656 | fail: |
1515 | return 0; |
1657 | return 0; |
… | |
… | |
1520 | { |
1662 | { |
1521 | dec_t dec; |
1663 | dec_t dec; |
1522 | SV *sv; |
1664 | SV *sv; |
1523 | |
1665 | |
1524 | /* work around bugs in 5.10 where manipulating magic values |
1666 | /* work around bugs in 5.10 where manipulating magic values |
1525 | * will perl ignore the magic in subsequent accesses |
1667 | * makes perl ignore the magic in subsequent accesses. |
|
|
1668 | * also make a copy of non-PV values, to get them into a clean |
|
|
1669 | * state (SvPV should do that, but it's buggy, see below). |
1526 | */ |
1670 | */ |
1527 | /*SvGETMAGIC (string);*/ |
1671 | /*SvGETMAGIC (string);*/ |
1528 | if (SvMAGICAL (string)) |
1672 | if (SvMAGICAL (string) || !SvPOK (string)) |
1529 | string = sv_2mortal (newSVsv (string)); |
1673 | string = sv_2mortal (newSVsv (string)); |
1530 | |
1674 | |
1531 | SvUPGRADE (string, SVt_PV); |
1675 | SvUPGRADE (string, SVt_PV); |
1532 | |
1676 | |
1533 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1677 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1602 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1746 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1603 | LEAVE; |
1747 | LEAVE; |
1604 | |
1748 | |
1605 | croak ("%s, at character offset %d (before \"%s\")", |
1749 | croak ("%s, at character offset %d (before \"%s\")", |
1606 | dec.err, |
1750 | dec.err, |
1607 | ptr_to_index (string, dec.cur), |
1751 | (int)ptr_to_index (string, dec.cur), |
1608 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1752 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1609 | } |
1753 | } |
1610 | |
1754 | |
1611 | sv = sv_2mortal (sv); |
1755 | sv = sv_2mortal (sv); |
1612 | |
1756 | |
… | |
… | |
1740 | self->incr_mode = INCR_M_STR; |
1884 | self->incr_mode = INCR_M_STR; |
1741 | goto incr_m_str; |
1885 | goto incr_m_str; |
1742 | |
1886 | |
1743 | case '[': |
1887 | case '[': |
1744 | case '{': |
1888 | case '{': |
|
|
1889 | case '(': |
1745 | if (++self->incr_nest > self->max_depth) |
1890 | if (++self->incr_nest > self->max_depth) |
1746 | croak (ERR_NESTING_EXCEEDED); |
1891 | croak (ERR_NESTING_EXCEEDED); |
1747 | break; |
1892 | break; |
1748 | |
1893 | |
1749 | case ']': |
1894 | case ']': |
1750 | case '}': |
1895 | case '}': |
1751 | if (--self->incr_nest <= 0) |
1896 | if (--self->incr_nest <= 0) |
1752 | goto interrupt; |
1897 | goto interrupt; |
|
|
1898 | break; |
|
|
1899 | |
|
|
1900 | case ')': |
|
|
1901 | --self->incr_nest; |
1753 | break; |
1902 | break; |
1754 | |
1903 | |
1755 | case '#': |
1904 | case '#': |
1756 | self->incr_mode = INCR_M_C1; |
1905 | self->incr_mode = INCR_M_C1; |
1757 | goto incr_m_c; |
1906 | goto incr_m_c; |
… | |
… | |
1783 | i >= '0' && i <= '9' ? i - '0' |
1932 | i >= '0' && i <= '9' ? i - '0' |
1784 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1933 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1785 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1934 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1786 | : -1; |
1935 | : -1; |
1787 | |
1936 | |
1788 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1937 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1789 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1938 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1790 | |
1939 | |
1791 | json_true = get_bool ("JSON::XS::true"); |
1940 | types_true = get_bool ("Types::Serialiser::true"); |
1792 | json_false = get_bool ("JSON::XS::false"); |
1941 | types_false = get_bool ("Types::Serialiser::false"); |
|
|
1942 | |
|
|
1943 | sv_json = newSVpv ("JSON", 0); |
|
|
1944 | SvREADONLY_on (sv_json); |
1793 | |
1945 | |
1794 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1946 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1795 | } |
1947 | } |
1796 | |
1948 | |
1797 | PROTOTYPES: DISABLE |
1949 | PROTOTYPES: DISABLE |
1798 | |
1950 | |
1799 | void CLONE (...) |
1951 | void CLONE (...) |
1800 | CODE: |
1952 | CODE: |
1801 | json_stash = 0; |
1953 | json_stash = 0; |
1802 | json_boolean_stash = 0; |
1954 | types_boolean_stash = 0; |
1803 | |
1955 | |
1804 | void new (char *klass) |
1956 | void new (char *klass) |
1805 | PPCODE: |
1957 | PPCODE: |
1806 | { |
1958 | { |
1807 | SV *pv = NEWSV (0, sizeof (JSON)); |
1959 | SV *pv = NEWSV (0, sizeof (JSON)); |
1808 | SvPOK_only (pv); |
1960 | SvPOK_only (pv); |
1809 | json_init ((JSON *)SvPVX (pv)); |
1961 | json_init ((JSON *)SvPVX (pv)); |
1810 | XPUSHs (sv_2mortal (sv_bless ( |
1962 | XPUSHs (sv_2mortal (sv_bless ( |
1811 | newRV_noinc (pv), |
1963 | newRV_noinc (pv), |
1812 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1964 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
… | |
… | |
1827 | shrink = F_SHRINK |
1979 | shrink = F_SHRINK |
1828 | allow_blessed = F_ALLOW_BLESSED |
1980 | allow_blessed = F_ALLOW_BLESSED |
1829 | convert_blessed = F_CONV_BLESSED |
1981 | convert_blessed = F_CONV_BLESSED |
1830 | relaxed = F_RELAXED |
1982 | relaxed = F_RELAXED |
1831 | allow_unknown = F_ALLOW_UNKNOWN |
1983 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1984 | allow_tags = F_ALLOW_TAGS |
1832 | PPCODE: |
1985 | PPCODE: |
1833 | { |
1986 | { |
1834 | if (enable) |
1987 | if (enable) |
1835 | self->flags |= ix; |
1988 | self->flags |= ix; |
1836 | else |
1989 | else |
… | |
… | |
1852 | get_shrink = F_SHRINK |
2005 | get_shrink = F_SHRINK |
1853 | get_allow_blessed = F_ALLOW_BLESSED |
2006 | get_allow_blessed = F_ALLOW_BLESSED |
1854 | get_convert_blessed = F_CONV_BLESSED |
2007 | get_convert_blessed = F_CONV_BLESSED |
1855 | get_relaxed = F_RELAXED |
2008 | get_relaxed = F_RELAXED |
1856 | get_allow_unknown = F_ALLOW_UNKNOWN |
2009 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2010 | get_allow_tags = F_ALLOW_TAGS |
1857 | PPCODE: |
2011 | PPCODE: |
1858 | XPUSHs (boolSV (self->flags & ix)); |
2012 | XPUSHs (boolSV (self->flags & ix)); |
1859 | |
2013 | |
1860 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2014 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1861 | PPCODE: |
2015 | PPCODE: |
… | |
… | |
1889 | } |
2043 | } |
1890 | |
2044 | |
1891 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2045 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1892 | PPCODE: |
2046 | PPCODE: |
1893 | { |
2047 | { |
1894 | if (!self->cb_sk_object) |
2048 | if (!self->cb_sk_object) |
1895 | self->cb_sk_object = newHV (); |
2049 | self->cb_sk_object = newHV (); |
1896 | |
2050 | |
1897 | if (SvOK (cb)) |
2051 | if (SvOK (cb)) |
1898 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2052 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1899 | else |
2053 | else |
… | |
… | |
1910 | XPUSHs (ST (0)); |
2064 | XPUSHs (ST (0)); |
1911 | } |
2065 | } |
1912 | |
2066 | |
1913 | void encode (JSON *self, SV *scalar) |
2067 | void encode (JSON *self, SV *scalar) |
1914 | PPCODE: |
2068 | PPCODE: |
1915 | XPUSHs (encode_json (scalar, self)); |
2069 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2070 | XPUSHs (scalar); |
1916 | |
2071 | |
1917 | void decode (JSON *self, SV *jsonstr) |
2072 | void decode (JSON *self, SV *jsonstr) |
1918 | PPCODE: |
2073 | PPCODE: |
1919 | XPUSHs (decode_json (jsonstr, self, 0)); |
2074 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2075 | XPUSHs (jsonstr); |
1920 | |
2076 | |
1921 | void decode_prefix (JSON *self, SV *jsonstr) |
2077 | void decode_prefix (JSON *self, SV *jsonstr) |
1922 | PPCODE: |
2078 | PPCODE: |
1923 | { |
2079 | { |
|
|
2080 | SV *sv; |
1924 | char *offset; |
2081 | char *offset; |
|
|
2082 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1925 | EXTEND (SP, 2); |
2083 | EXTEND (SP, 2); |
1926 | PUSHs (decode_json (jsonstr, self, &offset)); |
2084 | PUSHs (sv); |
1927 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2085 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
1928 | } |
2086 | } |
1929 | |
2087 | |
1930 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2088 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1931 | PPCODE: |
2089 | PPCODE: |
… | |
… | |
1978 | } |
2136 | } |
1979 | |
2137 | |
1980 | if (GIMME_V != G_VOID) |
2138 | if (GIMME_V != G_VOID) |
1981 | do |
2139 | do |
1982 | { |
2140 | { |
|
|
2141 | SV *sv; |
1983 | char *offset; |
2142 | char *offset; |
1984 | |
2143 | |
1985 | if (!INCR_DONE (self)) |
2144 | if (!INCR_DONE (self)) |
1986 | { |
2145 | { |
1987 | incr_parse (self); |
2146 | incr_parse (self); |
… | |
… | |
1989 | if (self->incr_pos > self->max_size && self->max_size) |
2148 | if (self->incr_pos > self->max_size && self->max_size) |
1990 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2149 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1991 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2150 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1992 | |
2151 | |
1993 | if (!INCR_DONE (self)) |
2152 | if (!INCR_DONE (self)) |
|
|
2153 | { |
|
|
2154 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2155 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2156 | { |
|
|
2157 | self->incr_pos = 0; |
|
|
2158 | SvCUR_set (self->incr_text, 0); |
|
|
2159 | } |
|
|
2160 | |
1994 | break; |
2161 | break; |
|
|
2162 | } |
1995 | } |
2163 | } |
1996 | |
2164 | |
1997 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2165 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2166 | XPUSHs (sv); |
1998 | |
2167 | |
1999 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2168 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2000 | self->incr_nest = 0; |
2169 | self->incr_nest = 0; |
2001 | self->incr_mode = 0; |
2170 | self->incr_mode = 0; |
2002 | |
2171 | |
… | |
… | |
2046 | SvREFCNT_dec (self->incr_text); |
2215 | SvREFCNT_dec (self->incr_text); |
2047 | |
2216 | |
2048 | PROTOTYPES: ENABLE |
2217 | PROTOTYPES: ENABLE |
2049 | |
2218 | |
2050 | void encode_json (SV *scalar) |
2219 | void encode_json (SV *scalar) |
2051 | ALIAS: |
|
|
2052 | to_json_ = 0 |
|
|
2053 | encode_json = F_UTF8 |
|
|
2054 | PPCODE: |
2220 | PPCODE: |
2055 | { |
2221 | { |
2056 | JSON json; |
2222 | JSON json; |
2057 | json_init (&json); |
2223 | json_init (&json); |
2058 | json.flags |= ix; |
2224 | json.flags |= F_UTF8; |
2059 | XPUSHs (encode_json (scalar, &json)); |
2225 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2226 | XPUSHs (scalar); |
2060 | } |
2227 | } |
2061 | |
2228 | |
2062 | void decode_json (SV *jsonstr) |
2229 | void decode_json (SV *jsonstr) |
2063 | ALIAS: |
|
|
2064 | from_json_ = 0 |
|
|
2065 | decode_json = F_UTF8 |
|
|
2066 | PPCODE: |
2230 | PPCODE: |
2067 | { |
2231 | { |
2068 | JSON json; |
2232 | JSON json; |
2069 | json_init (&json); |
2233 | json_init (&json); |
2070 | json.flags |= ix; |
2234 | json.flags |= F_UTF8; |
2071 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2235 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2236 | XPUSHs (jsonstr); |
2072 | } |
2237 | } |
2073 | |
2238 | |