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Comparing JSON-XS/XS.xs (file contents):
Revision 1.116 by root, Thu May 23 09:31:32 2013 UTC vs.
Revision 1.127 by root, Fri Feb 26 21:46:45 2016 UTC

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
67#define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" 79#define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)"
68 80
69#ifdef USE_ITHREADS 81#ifdef USE_ITHREADS
70# define JSON_SLOW 1 82# define JSON_SLOW 1
71# define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) 83# define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1))
84# define BOOL_STASH (bool_stash ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1))
72#else 85#else
73# define JSON_SLOW 0 86# define JSON_SLOW 0
74# define JSON_STASH json_stash 87# define JSON_STASH json_stash
88# define BOOL_STASH bool_stash
75#endif 89#endif
76 90
77// the amount of HEs to allocate on the stack, when sorting keys 91// the amount of HEs to allocate on the stack, when sorting keys
78#define STACK_HES 64 92#define STACK_HES 64
79 93
80static HV *json_stash, *json_boolean_stash; // JSON::XS:: 94static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean::
81static SV *json_true, *json_false; 95static SV *bool_true, *bool_false, *sv_json;
82 96
83enum { 97enum {
84 INCR_M_WS = 0, // initial whitespace skipping, must be 0 98 INCR_M_WS = 0, // initial whitespace skipping, must be 0
85 INCR_M_STR, // inside string 99 INCR_M_STR, // inside string
86 INCR_M_BS, // inside backslash 100 INCR_M_BS, // inside backslash
287 // a recursion depth of ten gives us >>500 bits 301 // a recursion depth of ten gives us >>500 bits
288 json_atof_scan1 (s, &accum, &expo, 0, 10); 302 json_atof_scan1 (s, &accum, &expo, 0, 10);
289 303
290 return neg ? -accum : accum; 304 return neg ? -accum : accum;
291} 305}
306
307// target of scalar reference is bool? -1 == nope, 0 == false, 1 == true
308static int
309ref_bool_type (SV *sv)
310{
311 svtype svt = SvTYPE (sv);
312
313 if (svt < SVt_PVAV)
314 {
315 STRLEN len = 0;
316 char *pv = svt ? SvPV (sv, len) : 0;
317
318 if (len == 1)
319 if (*pv == '1')
320 return 1;
321 else if (*pv == '0')
322 return 0;
323
324 }
325
326 return -1;
327}
328
329// returns whether scalar is not a reference in the sense of allow_nonref
330static int
331json_nonref (SV *scalar)
332{
333 if (!SvROK (scalar))
334 return 1;
335
336 scalar = SvRV (scalar);
337
338 if (SvSTASH (scalar) == bool_stash)
339 return 1;
340
341 if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0)
342 return 1;
343
344 return 0;
345}
346
292///////////////////////////////////////////////////////////////////////////// 347/////////////////////////////////////////////////////////////////////////////
293// encoder 348// encoder
294 349
295// structure used for encoding JSON 350// structure used for encoding JSON
296typedef struct 351typedef struct
483 538
484 if (enc->indent >= enc->json.max_depth) 539 if (enc->indent >= enc->json.max_depth)
485 croak (ERR_NESTING_EXCEEDED); 540 croak (ERR_NESTING_EXCEEDED);
486 541
487 encode_ch (enc, '['); 542 encode_ch (enc, '[');
488 543
489 if (len >= 0) 544 if (len >= 0)
490 { 545 {
491 encode_nl (enc); ++enc->indent; 546 encode_nl (enc); ++enc->indent;
492 547
493 for (i = 0; i <= len; ++i) 548 for (i = 0; i <= len; ++i)
505 encode_comma (enc); 560 encode_comma (enc);
506 } 561 }
507 562
508 encode_nl (enc); --enc->indent; encode_indent (enc); 563 encode_nl (enc); --enc->indent; encode_indent (enc);
509 } 564 }
510 565
511 encode_ch (enc, ']'); 566 encode_ch (enc, ']');
512} 567}
513 568
514static void 569static void
515encode_hk (enc_t *enc, HE *he) 570encode_hk (enc_t *enc, HE *he)
519 if (HeKLEN (he) == HEf_SVKEY) 574 if (HeKLEN (he) == HEf_SVKEY)
520 { 575 {
521 SV *sv = HeSVKEY (he); 576 SV *sv = HeSVKEY (he);
522 STRLEN len; 577 STRLEN len;
523 char *str; 578 char *str;
524 579
525 SvGETMAGIC (sv); 580 SvGETMAGIC (sv);
526 str = SvPV (sv, len); 581 str = SvPV (sv, len);
527 582
528 encode_str (enc, str, len, SvUTF8 (sv)); 583 encode_str (enc, str, len, SvUTF8 (sv));
529 } 584 }
597 if (count) 652 if (count)
598 { 653 {
599 int i, fast = 1; 654 int i, fast = 1;
600 HE *hes_stack [STACK_HES]; 655 HE *hes_stack [STACK_HES];
601 HE **hes = hes_stack; 656 HE **hes = hes_stack;
602 657
603 // allocate larger arrays on the heap 658 // allocate larger arrays on the heap
604 if (count > STACK_HES) 659 if (count > STACK_HES)
605 { 660 {
606 SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); 661 SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes)));
607 hes = (HE **)SvPVX (sv); 662 hes = (HE **)SvPVX (sv);
682// encode objects, arrays and special \0=false and \1=true values. 737// encode objects, arrays and special \0=false and \1=true values.
683static void 738static void
684encode_rv (enc_t *enc, SV *sv) 739encode_rv (enc_t *enc, SV *sv)
685{ 740{
686 svtype svt; 741 svtype svt;
742 GV *method;
687 743
688 SvGETMAGIC (sv); 744 SvGETMAGIC (sv);
689 svt = SvTYPE (sv); 745 svt = SvTYPE (sv);
690 746
691 if (expect_false (SvOBJECT (sv))) 747 if (expect_false (SvOBJECT (sv)))
692 { 748 {
693 HV *stash = !JSON_SLOW || json_boolean_stash 749 HV *stash = SvSTASH (sv);
694 ? json_boolean_stash
695 : gv_stashpv ("JSON::XS::Boolean", 1);
696 750
697 if (SvSTASH (sv) == stash) 751 if (stash == bool_stash)
698 { 752 {
699 if (SvIV (sv)) 753 if (SvIV (sv))
700 encode_str (enc, "true", 4, 0); 754 encode_str (enc, "true", 4, 0);
701 else 755 else
702 encode_str (enc, "false", 5, 0); 756 encode_str (enc, "false", 5, 0);
703 } 757 }
758 else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
759 {
760 int count;
761 dSP;
762
763 ENTER; SAVETMPS;
764 SAVESTACK_POS ();
765 PUSHMARK (SP);
766 EXTEND (SP, 2);
767 // we re-bless the reference to get overload and other niceties right
768 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
769 PUSHs (sv_json);
770
771 PUTBACK;
772 count = call_sv ((SV *)GvCV (method), G_ARRAY);
773 SPAGAIN;
774
775 // catch this surprisingly common error
776 if (SvROK (TOPs) && SvRV (TOPs) == sv)
777 croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
778
779 encode_ch (enc, '(');
780 encode_ch (enc, '"');
781 encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
782 encode_ch (enc, '"');
783 encode_ch (enc, ')');
784 encode_ch (enc, '[');
785
786 while (count)
787 {
788 encode_sv (enc, SP[1 - count--]);
789
790 if (count)
791 encode_ch (enc, ',');
792 }
793
794 encode_ch (enc, ']');
795
796 FREETMPS; LEAVE;
797 }
798 else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
799 {
800 dSP;
801
802 ENTER; SAVETMPS;
803 PUSHMARK (SP);
804 // we re-bless the reference to get overload and other niceties right
805 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
806
807 // calling with G_SCALAR ensures that we always get a 1 return value
808 PUTBACK;
809 call_sv ((SV *)GvCV (method), G_SCALAR);
810 SPAGAIN;
811
812 // catch this surprisingly common error
813 if (SvROK (TOPs) && SvRV (TOPs) == sv)
814 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
815
816 sv = POPs;
817 PUTBACK;
818
819 encode_sv (enc, sv);
820
821 FREETMPS; LEAVE;
822 }
823 else if (enc->json.flags & F_ALLOW_BLESSED)
824 encode_str (enc, "null", 4, 0);
704 else 825 else
705 {
706#if 0
707 if (0 && sv_derived_from (rv, "JSON::Literal"))
708 {
709 // not yet
710 }
711#endif
712 if (enc->json.flags & F_CONV_BLESSED)
713 {
714 // we re-bless the reference to get overload and other niceties right
715 GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0);
716
717 if (to_json)
718 {
719 dSP;
720
721 ENTER; SAVETMPS; PUSHMARK (SP);
722 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv)));
723
724 // calling with G_SCALAR ensures that we always get a 1 return value
725 PUTBACK;
726 call_sv ((SV *)GvCV (to_json), G_SCALAR);
727 SPAGAIN;
728
729 // catch this surprisingly common error
730 if (SvROK (TOPs) && SvRV (TOPs) == sv)
731 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
732
733 sv = POPs;
734 PUTBACK;
735
736 encode_sv (enc, sv);
737
738 FREETMPS; LEAVE;
739 }
740 else if (enc->json.flags & F_ALLOW_BLESSED)
741 encode_str (enc, "null", 4, 0);
742 else
743 croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it",
744 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
745 }
746 else if (enc->json.flags & F_ALLOW_BLESSED)
747 encode_str (enc, "null", 4, 0);
748 else
749 croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", 826 croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
750 SvPV_nolen (sv_2mortal (newRV_inc (sv)))); 827 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
751 }
752 } 828 }
753 else if (svt == SVt_PVHV) 829 else if (svt == SVt_PVHV)
754 encode_hv (enc, (HV *)sv); 830 encode_hv (enc, (HV *)sv);
755 else if (svt == SVt_PVAV) 831 else if (svt == SVt_PVAV)
756 encode_av (enc, (AV *)sv); 832 encode_av (enc, (AV *)sv);
757 else if (svt < SVt_PVAV) 833 else if (svt < SVt_PVAV)
758 { 834 {
759 STRLEN len = 0; 835 int bool_type = ref_bool_type (sv);
760 char *pv = svt ? SvPV (sv, len) : 0;
761 836
762 if (len == 1 && *pv == '1') 837 if (bool_type == 1)
763 encode_str (enc, "true", 4, 0); 838 encode_str (enc, "true", 4, 0);
764 else if (len == 1 && *pv == '0') 839 else if (bool_type == 0)
765 encode_str (enc, "false", 5, 0); 840 encode_str (enc, "false", 5, 0);
766 else if (enc->json.flags & F_ALLOW_UNKNOWN) 841 else if (enc->json.flags & F_ALLOW_UNKNOWN)
767 encode_str (enc, "null", 4, 0); 842 encode_str (enc, "null", 4, 0);
768 else 843 else
769 croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", 844 croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
843 else if (SvROK (sv)) 918 else if (SvROK (sv))
844 encode_rv (enc, SvRV (sv)); 919 encode_rv (enc, SvRV (sv));
845 else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) 920 else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN)
846 encode_str (enc, "null", 4, 0); 921 encode_str (enc, "null", 4, 0);
847 else 922 else
848 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", 923 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
849 SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); 924 SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
850} 925}
851 926
852static SV * 927static SV *
853encode_json (SV *scalar, JSON *json) 928encode_json (SV *scalar, JSON *json)
854{ 929{
855 enc_t enc; 930 enc_t enc;
856 931
857 if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) 932 if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar))
858 croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); 933 croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
859 934
860 enc.json = *json; 935 enc.json = *json;
861 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 936 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
862 enc.cur = SvPVX (enc.sv); 937 enc.cur = SvPVX (enc.sv);
1069 *cur++ = *dec_cur++; 1144 *cur++ = *dec_cur++;
1070 while (--clen); 1145 while (--clen);
1071 1146
1072 utf8 = 1; 1147 utf8 = 1;
1073 } 1148 }
1149 else if (ch == '\t' && dec->json.flags & F_RELAXED)
1150 *cur++ = ch;
1074 else 1151 else
1075 { 1152 {
1076 --dec_cur; 1153 --dec_cur;
1077 1154
1078 if (!ch) 1155 if (!ch)
1266 if (*dec->cur == ']') 1343 if (*dec->cur == ']')
1267 { 1344 {
1268 ++dec->cur; 1345 ++dec->cur;
1269 break; 1346 break;
1270 } 1347 }
1271 1348
1272 if (*dec->cur != ',') 1349 if (*dec->cur != ',')
1273 ERR (", or ] expected while parsing array"); 1350 ERR (", or ] expected while parsing array");
1274 1351
1275 ++dec->cur; 1352 ++dec->cur;
1276 1353
1400 1477
1401 hv_iterinit (hv); 1478 hv_iterinit (hv);
1402 he = hv_iternext (hv); 1479 he = hv_iternext (hv);
1403 hv_iterinit (hv); 1480 hv_iterinit (hv);
1404 1481
1405 // the next line creates a mortal sv each time its called. 1482 // the next line creates a mortal sv each time it's called.
1406 // might want to optimise this for common cases. 1483 // might want to optimise this for common cases.
1407 cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); 1484 cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0);
1408 1485
1409 if (cb) 1486 if (cb)
1410 { 1487 {
1411 dSP; 1488 dSP;
1412 int count; 1489 int count;
1413 1490
1414 ENTER; SAVETMPS; PUSHMARK (SP); 1491 ENTER; SAVETMPS;
1492 SAVESTACK_POS ();
1493 PUSHMARK (SP);
1415 XPUSHs (HeVAL (he)); 1494 XPUSHs (HeVAL (he));
1416 sv_2mortal (sv); 1495 sv_2mortal (sv);
1417 1496
1418 PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; 1497 PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN;
1419 1498
1432 if (dec->json.cb_object) 1511 if (dec->json.cb_object)
1433 { 1512 {
1434 dSP; 1513 dSP;
1435 int count; 1514 int count;
1436 1515
1437 ENTER; SAVETMPS; PUSHMARK (SP); 1516 ENTER; SAVETMPS;
1517 SAVESTACK_POS ();
1518 PUSHMARK (SP);
1438 XPUSHs (sv_2mortal (sv)); 1519 XPUSHs (sv_2mortal (sv));
1439 1520
1440 PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; 1521 PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN;
1441 1522
1442 if (count == 1) 1523 if (count == 1)
1458 DEC_DEC_DEPTH; 1539 DEC_DEC_DEPTH;
1459 return 0; 1540 return 0;
1460} 1541}
1461 1542
1462static SV * 1543static SV *
1544decode_tag (dec_t *dec)
1545{
1546 SV *tag = 0;
1547 SV *val = 0;
1548
1549 if (!(dec->json.flags & F_ALLOW_TAGS))
1550 ERR ("malformed JSON string, neither array, object, number, string or atom");
1551
1552 ++dec->cur;
1553
1554 decode_ws (dec);
1555
1556 tag = decode_sv (dec);
1557 if (!tag)
1558 goto fail;
1559
1560 if (!SvPOK (tag))
1561 ERR ("malformed JSON string, (tag) must be a string");
1562
1563 decode_ws (dec);
1564
1565 if (*dec->cur != ')')
1566 ERR (") expected after tag");
1567
1568 ++dec->cur;
1569
1570 decode_ws (dec);
1571
1572 val = decode_sv (dec);
1573 if (!val)
1574 goto fail;
1575
1576 if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV)
1577 ERR ("malformed JSON string, tag value must be an array");
1578
1579 {
1580 AV *av = (AV *)SvRV (val);
1581 int i, len = av_len (av) + 1;
1582 HV *stash = gv_stashsv (tag, 0);
1583 SV *sv;
1584
1585 if (!stash)
1586 ERR ("cannot decode perl-object (package does not exist)");
1587
1588 GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
1589
1590 if (!method)
1591 ERR ("cannot decode perl-object (package does not have a THAW method)");
1592
1593 dSP;
1594
1595 ENTER; SAVETMPS;
1596 PUSHMARK (SP);
1597 EXTEND (SP, len + 2);
1598 // we re-bless the reference to get overload and other niceties right
1599 PUSHs (tag);
1600 PUSHs (sv_json);
1601
1602 for (i = 0; i < len; ++i)
1603 PUSHs (*av_fetch (av, i, 1));
1604
1605 PUTBACK;
1606 call_sv ((SV *)GvCV (method), G_SCALAR);
1607 SPAGAIN;
1608
1609 SvREFCNT_dec (tag);
1610 SvREFCNT_dec (val);
1611 sv = SvREFCNT_inc (POPs);
1612
1613 PUTBACK;
1614
1615 FREETMPS; LEAVE;
1616
1617 return sv;
1618 }
1619
1620fail:
1621 SvREFCNT_dec (tag);
1622 SvREFCNT_dec (val);
1623 return 0;
1624}
1625
1626static SV *
1463decode_sv (dec_t *dec) 1627decode_sv (dec_t *dec)
1464{ 1628{
1465 // the beauty of JSON: you need exactly one character lookahead 1629 // the beauty of JSON: you need exactly one character lookahead
1466 // to parse everything. 1630 // to parse everything.
1467 switch (*dec->cur) 1631 switch (*dec->cur)
1468 { 1632 {
1469 case '"': ++dec->cur; return decode_str (dec); 1633 case '"': ++dec->cur; return decode_str (dec);
1470 case '[': ++dec->cur; return decode_av (dec); 1634 case '[': ++dec->cur; return decode_av (dec);
1471 case '{': ++dec->cur; return decode_hv (dec); 1635 case '{': ++dec->cur; return decode_hv (dec);
1636 case '(': return decode_tag (dec);
1472 1637
1473 case '-': 1638 case '-':
1474 case '0': case '1': case '2': case '3': case '4': 1639 case '0': case '1': case '2': case '3': case '4':
1475 case '5': case '6': case '7': case '8': case '9': 1640 case '5': case '6': case '7': case '8': case '9':
1476 return decode_num (dec); 1641 return decode_num (dec);
1478 case 't': 1643 case 't':
1479 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) 1644 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1480 { 1645 {
1481 dec->cur += 4; 1646 dec->cur += 4;
1482#if JSON_SLOW 1647#if JSON_SLOW
1483 json_true = get_bool ("JSON::XS::true"); 1648 bool_true = get_bool ("Types::Serialiser::true");
1484#endif 1649#endif
1485 return newSVsv (json_true); 1650 return newSVsv (bool_true);
1486 } 1651 }
1487 else 1652 else
1488 ERR ("'true' expected"); 1653 ERR ("'true' expected");
1489 1654
1490 break; 1655 break;
1492 case 'f': 1657 case 'f':
1493 if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) 1658 if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1494 { 1659 {
1495 dec->cur += 5; 1660 dec->cur += 5;
1496#if JSON_SLOW 1661#if JSON_SLOW
1497 json_false = get_bool ("JSON::XS::false"); 1662 bool_false = get_bool ("Types::Serialiser::false");
1498#endif 1663#endif
1499 return newSVsv (json_false); 1664 return newSVsv (bool_false);
1500 } 1665 }
1501 else 1666 else
1502 ERR ("'false' expected"); 1667 ERR ("'false' expected");
1503 1668
1504 break; 1669 break;
1513 ERR ("'null' expected"); 1678 ERR ("'null' expected");
1514 1679
1515 break; 1680 break;
1516 1681
1517 default: 1682 default:
1518 ERR ("malformed JSON string, neither array, object, number, string or atom"); 1683 ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1519 break; 1684 break;
1520 } 1685 }
1521 1686
1522fail: 1687fail:
1523 return 0; 1688 return 0;
1531 1696
1532 /* work around bugs in 5.10 where manipulating magic values 1697 /* work around bugs in 5.10 where manipulating magic values
1533 * makes perl ignore the magic in subsequent accesses. 1698 * makes perl ignore the magic in subsequent accesses.
1534 * also make a copy of non-PV values, to get them into a clean 1699 * also make a copy of non-PV values, to get them into a clean
1535 * state (SvPV should do that, but it's buggy, see below). 1700 * state (SvPV should do that, but it's buggy, see below).
1701 *
1702 * SvIsCOW_shared_hash works around a bug in perl (possibly 5.16),
1703 * as reported by Reini Urban.
1536 */ 1704 */
1537 /*SvGETMAGIC (string);*/ 1705 /*SvGETMAGIC (string);*/
1538 if (SvMAGICAL (string) || !SvPOK (string)) 1706 if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string))
1539 string = sv_2mortal (newSVsv (string)); 1707 string = sv_2mortal (newSVsv (string));
1540 1708
1541 SvUPGRADE (string, SVt_PV); 1709 SvUPGRADE (string, SVt_PV);
1542 1710
1543 /* work around a bug in perl 5.10, which causes SvCUR to fail an 1711 /* work around a bug in perl 5.10, which causes SvCUR to fail an
1618 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); 1786 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1619 } 1787 }
1620 1788
1621 sv = sv_2mortal (sv); 1789 sv = sv_2mortal (sv);
1622 1790
1623 if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) 1791 if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv))
1624 croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); 1792 croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
1625 1793
1626 return sv; 1794 return sv;
1627} 1795}
1628 1796
1750 self->incr_mode = INCR_M_STR; 1918 self->incr_mode = INCR_M_STR;
1751 goto incr_m_str; 1919 goto incr_m_str;
1752 1920
1753 case '[': 1921 case '[':
1754 case '{': 1922 case '{':
1923 case '(':
1755 if (++self->incr_nest > self->max_depth) 1924 if (++self->incr_nest > self->max_depth)
1756 croak (ERR_NESTING_EXCEEDED); 1925 croak (ERR_NESTING_EXCEEDED);
1757 break; 1926 break;
1758 1927
1759 case ']': 1928 case ']':
1760 case '}': 1929 case '}':
1761 if (--self->incr_nest <= 0) 1930 if (--self->incr_nest <= 0)
1762 goto interrupt; 1931 goto interrupt;
1932 break;
1933
1934 case ')':
1935 --self->incr_nest;
1763 break; 1936 break;
1764 1937
1765 case '#': 1938 case '#':
1766 self->incr_mode = INCR_M_C1; 1939 self->incr_mode = INCR_M_C1;
1767 goto incr_m_c; 1940 goto incr_m_c;
1793 i >= '0' && i <= '9' ? i - '0' 1966 i >= '0' && i <= '9' ? i - '0'
1794 : i >= 'a' && i <= 'f' ? i - 'a' + 10 1967 : i >= 'a' && i <= 'f' ? i - 'a' + 10
1795 : i >= 'A' && i <= 'F' ? i - 'A' + 10 1968 : i >= 'A' && i <= 'F' ? i - 'A' + 10
1796 : -1; 1969 : -1;
1797 1970
1798 json_stash = gv_stashpv ("JSON::XS" , 1); 1971 json_stash = gv_stashpv ("JSON::XS" , 1);
1799 json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); 1972 bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1800
1801 json_true = get_bool ("JSON::XS::true"); 1973 bool_true = get_bool ("Types::Serialiser::true");
1802 json_false = get_bool ("JSON::XS::false"); 1974 bool_false = get_bool ("Types::Serialiser::false");
1975
1976 sv_json = newSVpv ("JSON", 0);
1977 SvREADONLY_on (sv_json);
1803 1978
1804 CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ 1979 CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1805} 1980}
1806 1981
1807PROTOTYPES: DISABLE 1982PROTOTYPES: DISABLE
1808 1983
1809void CLONE (...) 1984void CLONE (...)
1810 CODE: 1985 CODE:
1811 json_stash = 0; 1986 json_stash = 0;
1812 json_boolean_stash = 0; 1987 bool_stash = 0;
1813 1988
1814void new (char *klass) 1989void new (char *klass)
1815 PPCODE: 1990 PPCODE:
1816{ 1991{
1817 SV *pv = NEWSV (0, sizeof (JSON)); 1992 SV *pv = NEWSV (0, sizeof (JSON));
1837 shrink = F_SHRINK 2012 shrink = F_SHRINK
1838 allow_blessed = F_ALLOW_BLESSED 2013 allow_blessed = F_ALLOW_BLESSED
1839 convert_blessed = F_CONV_BLESSED 2014 convert_blessed = F_CONV_BLESSED
1840 relaxed = F_RELAXED 2015 relaxed = F_RELAXED
1841 allow_unknown = F_ALLOW_UNKNOWN 2016 allow_unknown = F_ALLOW_UNKNOWN
2017 allow_tags = F_ALLOW_TAGS
1842 PPCODE: 2018 PPCODE:
1843{ 2019{
1844 if (enable) 2020 if (enable)
1845 self->flags |= ix; 2021 self->flags |= ix;
1846 else 2022 else
1862 get_shrink = F_SHRINK 2038 get_shrink = F_SHRINK
1863 get_allow_blessed = F_ALLOW_BLESSED 2039 get_allow_blessed = F_ALLOW_BLESSED
1864 get_convert_blessed = F_CONV_BLESSED 2040 get_convert_blessed = F_CONV_BLESSED
1865 get_relaxed = F_RELAXED 2041 get_relaxed = F_RELAXED
1866 get_allow_unknown = F_ALLOW_UNKNOWN 2042 get_allow_unknown = F_ALLOW_UNKNOWN
2043 get_allow_tags = F_ALLOW_TAGS
1867 PPCODE: 2044 PPCODE:
1868 XPUSHs (boolSV (self->flags & ix)); 2045 XPUSHs (boolSV (self->flags & ix));
1869 2046
1870void max_depth (JSON *self, U32 max_depth = 0x80000000UL) 2047void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1871 PPCODE: 2048 PPCODE:
2071 SvREFCNT_dec (self->incr_text); 2248 SvREFCNT_dec (self->incr_text);
2072 2249
2073PROTOTYPES: ENABLE 2250PROTOTYPES: ENABLE
2074 2251
2075void encode_json (SV *scalar) 2252void encode_json (SV *scalar)
2076 ALIAS:
2077 to_json_ = 0
2078 encode_json = F_UTF8
2079 PPCODE: 2253 PPCODE:
2080{ 2254{
2081 JSON json; 2255 JSON json;
2082 json_init (&json); 2256 json_init (&json);
2083 json.flags |= ix; 2257 json.flags |= F_UTF8;
2084 PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; 2258 PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
2085 XPUSHs (scalar); 2259 XPUSHs (scalar);
2086} 2260}
2087 2261
2088void decode_json (SV *jsonstr) 2262void decode_json (SV *jsonstr)
2089 ALIAS:
2090 from_json_ = 0
2091 decode_json = F_UTF8
2092 PPCODE: 2263 PPCODE:
2093{ 2264{
2094 JSON json; 2265 JSON json;
2095 json_init (&json); 2266 json_init (&json);
2096 json.flags |= ix; 2267 json.flags |= F_UTF8;
2097 PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; 2268 PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
2098 XPUSHs (jsonstr); 2269 XPUSHs (jsonstr);
2099} 2270}
2100 2271

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