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Comparing JSON-XS/XS.xs (file contents):
Revision 1.108 by root, Tue Aug 17 23:27:36 2010 UTC vs.
Revision 1.121 by root, Tue Oct 29 00:06:40 2013 UTC

33#define F_SHRINK 0x00000200UL 33#define F_SHRINK 0x00000200UL
34#define F_ALLOW_BLESSED 0x00000400UL 34#define F_ALLOW_BLESSED 0x00000400UL
35#define F_CONV_BLESSED 0x00000800UL 35#define F_CONV_BLESSED 0x00000800UL
36#define F_RELAXED 0x00001000UL 36#define F_RELAXED 0x00001000UL
37#define F_ALLOW_UNKNOWN 0x00002000UL 37#define F_ALLOW_UNKNOWN 0x00002000UL
38#define F_ALLOW_TAGS 0x00004000UL
38#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing 39#define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing
39 40
40#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER 41#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER
41 42
42#define INIT_SIZE 32 // initial scalar size to be allocated 43#define INIT_SIZE 32 // initial scalar size to be allocated
72#else 73#else
73# define JSON_SLOW 0 74# define JSON_SLOW 0
74# define JSON_STASH json_stash 75# define JSON_STASH json_stash
75#endif 76#endif
76 77
78// the amount of HEs to allocate on the stack, when sorting keys
79#define STACK_HES 64
80
77static HV *json_stash, *json_boolean_stash; // JSON::XS:: 81static HV *json_stash, *types_boolean_stash; // JSON::XS::
78static SV *json_true, *json_false; 82static SV *types_true, *types_false, *sv_json;
79 83
80enum { 84enum {
81 INCR_M_WS = 0, // initial whitespace skipping, must be 0 85 INCR_M_WS = 0, // initial whitespace skipping, must be 0
82 INCR_M_STR, // inside string 86 INCR_M_STR, // inside string
83 INCR_M_BS, // inside backslash 87 INCR_M_BS, // inside backslash
260 } 264 }
261 265
262 // this relies greatly on the quality of the pow () 266 // this relies greatly on the quality of the pow ()
263 // implementation of the platform, but a good 267 // implementation of the platform, but a good
264 // implementation is hard to beat. 268 // implementation is hard to beat.
269 // (IEEE 754 conformant ones are required to be exact)
265 if (postdp) *expo -= eaccum; 270 if (postdp) *expo -= eaccum;
266 *accum += uaccum * Perl_pow (10., *expo); 271 *accum += uaccum * Perl_pow (10., *expo);
267 *expo += eaccum; 272 *expo += eaccum;
268} 273}
269 274
479 484
480 if (enc->indent >= enc->json.max_depth) 485 if (enc->indent >= enc->json.max_depth)
481 croak (ERR_NESTING_EXCEEDED); 486 croak (ERR_NESTING_EXCEEDED);
482 487
483 encode_ch (enc, '['); 488 encode_ch (enc, '[');
484 489
485 if (len >= 0) 490 if (len >= 0)
486 { 491 {
487 encode_nl (enc); ++enc->indent; 492 encode_nl (enc); ++enc->indent;
488 493
489 for (i = 0; i <= len; ++i) 494 for (i = 0; i <= len; ++i)
501 encode_comma (enc); 506 encode_comma (enc);
502 } 507 }
503 508
504 encode_nl (enc); --enc->indent; encode_indent (enc); 509 encode_nl (enc); --enc->indent; encode_indent (enc);
505 } 510 }
506 511
507 encode_ch (enc, ']'); 512 encode_ch (enc, ']');
508} 513}
509 514
510static void 515static void
511encode_hk (enc_t *enc, HE *he) 516encode_hk (enc_t *enc, HE *he)
515 if (HeKLEN (he) == HEf_SVKEY) 520 if (HeKLEN (he) == HEf_SVKEY)
516 { 521 {
517 SV *sv = HeSVKEY (he); 522 SV *sv = HeSVKEY (he);
518 STRLEN len; 523 STRLEN len;
519 char *str; 524 char *str;
520 525
521 SvGETMAGIC (sv); 526 SvGETMAGIC (sv);
522 str = SvPV (sv, len); 527 str = SvPV (sv, len);
523 528
524 encode_str (enc, str, len, SvUTF8 (sv)); 529 encode_str (enc, str, len, SvUTF8 (sv));
525 } 530 }
591 } 596 }
592 597
593 if (count) 598 if (count)
594 { 599 {
595 int i, fast = 1; 600 int i, fast = 1;
596#if defined(__BORLANDC__) || defined(_MSC_VER) 601 HE *hes_stack [STACK_HES];
597 HE **hes = _alloca (count * sizeof (HE)); 602 HE **hes = hes_stack;
598#else 603
599 HE *hes [count]; // if your compiler dies here, you need to enable C99 mode 604 // allocate larger arrays on the heap
600#endif 605 if (count > STACK_HES)
606 {
607 SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes)));
608 hes = (HE **)SvPVX (sv);
609 }
601 610
602 i = 0; 611 i = 0;
603 while ((he = hv_iternext (hv))) 612 while ((he = hv_iternext (hv)))
604 { 613 {
605 hes [i++] = he; 614 hes [i++] = he;
674// encode objects, arrays and special \0=false and \1=true values. 683// encode objects, arrays and special \0=false and \1=true values.
675static void 684static void
676encode_rv (enc_t *enc, SV *sv) 685encode_rv (enc_t *enc, SV *sv)
677{ 686{
678 svtype svt; 687 svtype svt;
688 GV *method;
679 689
680 SvGETMAGIC (sv); 690 SvGETMAGIC (sv);
681 svt = SvTYPE (sv); 691 svt = SvTYPE (sv);
682 692
683 if (expect_false (SvOBJECT (sv))) 693 if (expect_false (SvOBJECT (sv)))
684 { 694 {
685 HV *stash = !JSON_SLOW || json_boolean_stash 695 HV *boolean_stash = !JSON_SLOW || types_boolean_stash
686 ? json_boolean_stash 696 ? types_boolean_stash
687 : gv_stashpv ("JSON::XS::Boolean", 1); 697 : gv_stashpv ("Types::Serialiser::Boolean", 1);
698 HV *stash = SvSTASH (sv);
688 699
689 if (SvSTASH (sv) == stash) 700 if (stash == boolean_stash)
690 { 701 {
691 if (SvIV (sv)) 702 if (SvIV (sv))
692 encode_str (enc, "true", 4, 0); 703 encode_str (enc, "true", 4, 0);
693 else 704 else
694 encode_str (enc, "false", 5, 0); 705 encode_str (enc, "false", 5, 0);
695 } 706 }
707 else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
708 {
709 int count;
710 dSP;
711
712 ENTER; SAVETMPS; PUSHMARK (SP);
713 EXTEND (SP, 2);
714 // we re-bless the reference to get overload and other niceties right
715 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
716 PUSHs (sv_json);
717
718 PUTBACK;
719 count = call_sv ((SV *)GvCV (method), G_ARRAY);
720 SPAGAIN;
721
722 // catch this surprisingly common error
723 if (SvROK (TOPs) && SvRV (TOPs) == sv)
724 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
725
726 encode_ch (enc, '(');
727 encode_ch (enc, '"');
728 encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
729 encode_ch (enc, '"');
730 encode_ch (enc, ')');
731 encode_ch (enc, '[');
732
733 while (count)
734 {
735 encode_sv (enc, SP[1 - count--]);
736
737 if (count)
738 encode_ch (enc, ',');
739 }
740
741 encode_ch (enc, ']');
742
743 PUTBACK;
744
745 FREETMPS; LEAVE;
746 }
747 else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
748 {
749 dSP;
750
751 ENTER; SAVETMPS; PUSHMARK (SP);
752 // we re-bless the reference to get overload and other niceties right
753 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
754
755 // calling with G_SCALAR ensures that we always get a 1 return value
756 PUTBACK;
757 call_sv ((SV *)GvCV (method), G_SCALAR);
758 SPAGAIN;
759
760 // catch this surprisingly common error
761 if (SvROK (TOPs) && SvRV (TOPs) == sv)
762 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
763
764 sv = POPs;
765 PUTBACK;
766
767 encode_sv (enc, sv);
768
769 FREETMPS; LEAVE;
770 }
771 else if (enc->json.flags & F_ALLOW_BLESSED)
772 encode_str (enc, "null", 4, 0);
696 else 773 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", 774 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)))); 775 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
743 }
744 } 776 }
745 else if (svt == SVt_PVHV) 777 else if (svt == SVt_PVHV)
746 encode_hv (enc, (HV *)sv); 778 encode_hv (enc, (HV *)sv);
747 else if (svt == SVt_PVAV) 779 else if (svt == SVt_PVAV)
748 encode_av (enc, (AV *)sv); 780 encode_av (enc, (AV *)sv);
824 } 856 }
825 else 857 else
826 { 858 {
827 // large integer, use the (rather slow) snprintf way. 859 // large integer, use the (rather slow) snprintf way.
828 need (enc, IVUV_MAXCHARS); 860 need (enc, IVUV_MAXCHARS);
829 enc->cur += 861 enc->cur +=
830 SvIsUV(sv) 862 SvIsUV(sv)
831 ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) 863 ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv))
832 : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); 864 : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv));
833 } 865 }
834 } 866 }
835 else if (SvROK (sv)) 867 else if (SvROK (sv))
836 encode_rv (enc, SvRV (sv)); 868 encode_rv (enc, SvRV (sv));
837 else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) 869 else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN)
838 encode_str (enc, "null", 4, 0); 870 encode_str (enc, "null", 4, 0);
839 else 871 else
840 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", 872 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data",
841 SvPV_nolen (sv), SvFLAGS (sv)); 873 SvPV_nolen (sv), (unsigned int)SvFLAGS (sv));
842} 874}
843 875
844static SV * 876static SV *
845encode_json (SV *scalar, JSON *json) 877encode_json (SV *scalar, JSON *json)
846{ 878{
1258 if (*dec->cur == ']') 1290 if (*dec->cur == ']')
1259 { 1291 {
1260 ++dec->cur; 1292 ++dec->cur;
1261 break; 1293 break;
1262 } 1294 }
1263 1295
1264 if (*dec->cur != ',') 1296 if (*dec->cur != ',')
1265 ERR (", or ] expected while parsing array"); 1297 ERR (", or ] expected while parsing array");
1266 1298
1267 ++dec->cur; 1299 ++dec->cur;
1268 1300
1450 DEC_DEC_DEPTH; 1482 DEC_DEC_DEPTH;
1451 return 0; 1483 return 0;
1452} 1484}
1453 1485
1454static SV * 1486static SV *
1487decode_tag (dec_t *dec)
1488{
1489 SV *tag = 0;
1490 SV *val = 0;
1491
1492 if (!(dec->json.flags & F_ALLOW_TAGS))
1493 ERR ("malformed JSON string, neither array, object, number, string or atom");
1494
1495 ++dec->cur;
1496
1497 decode_ws (dec);
1498
1499 tag = decode_sv (dec);
1500 if (!tag)
1501 goto fail;
1502
1503 if (!SvPOK (tag))
1504 ERR ("malformed JSON string, (tag) must be a string");
1505
1506 decode_ws (dec);
1507
1508 if (*dec->cur != ')')
1509 ERR (") expected after tag");
1510
1511 ++dec->cur;
1512
1513 decode_ws (dec);
1514
1515 val = decode_sv (dec);
1516 if (!val)
1517 goto fail;
1518
1519 if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV)
1520 ERR ("malformed JSON string, tag value must be an array");
1521
1522 {
1523 AV *av = (AV *)SvRV (val);
1524 int i, len = av_len (av) + 1;
1525 HV *stash = gv_stashsv (tag, 0);
1526 SV *sv;
1527
1528 if (!stash)
1529 ERR ("cannot decode perl-object (package does not exist)");
1530
1531 GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
1532
1533 if (!method)
1534 ERR ("cannot decode perl-object (package does not have a THAW method)");
1535
1536 dSP;
1537
1538 ENTER; SAVETMPS; PUSHMARK (SP);
1539 EXTEND (SP, len + 2);
1540 // we re-bless the reference to get overload and other niceties right
1541 PUSHs (tag);
1542 PUSHs (sv_json);
1543
1544 for (i = 0; i < len; ++i)
1545 PUSHs (*av_fetch (av, i, 1));
1546
1547 PUTBACK;
1548 call_sv ((SV *)GvCV (method), G_SCALAR);
1549 SPAGAIN;
1550
1551 SvREFCNT_dec (tag);
1552 SvREFCNT_dec (val);
1553 sv = SvREFCNT_inc (POPs);
1554
1555 PUTBACK;
1556
1557 FREETMPS; LEAVE;
1558
1559 return sv;
1560 }
1561
1562fail:
1563 SvREFCNT_dec (tag);
1564 SvREFCNT_dec (val);
1565 return 0;
1566}
1567
1568static SV *
1455decode_sv (dec_t *dec) 1569decode_sv (dec_t *dec)
1456{ 1570{
1457 // the beauty of JSON: you need exactly one character lookahead 1571 // the beauty of JSON: you need exactly one character lookahead
1458 // to parse everything. 1572 // to parse everything.
1459 switch (*dec->cur) 1573 switch (*dec->cur)
1460 { 1574 {
1461 case '"': ++dec->cur; return decode_str (dec); 1575 case '"': ++dec->cur; return decode_str (dec);
1462 case '[': ++dec->cur; return decode_av (dec); 1576 case '[': ++dec->cur; return decode_av (dec);
1463 case '{': ++dec->cur; return decode_hv (dec); 1577 case '{': ++dec->cur; return decode_hv (dec);
1578 case '(': return decode_tag (dec);
1464 1579
1465 case '-': 1580 case '-':
1466 case '0': case '1': case '2': case '3': case '4': 1581 case '0': case '1': case '2': case '3': case '4':
1467 case '5': case '6': case '7': case '8': case '9': 1582 case '5': case '6': case '7': case '8': case '9':
1468 return decode_num (dec); 1583 return decode_num (dec);
1470 case 't': 1585 case 't':
1471 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) 1586 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4))
1472 { 1587 {
1473 dec->cur += 4; 1588 dec->cur += 4;
1474#if JSON_SLOW 1589#if JSON_SLOW
1475 json_true = get_bool ("JSON::XS::true"); 1590 types_true = get_bool ("Types::Serialiser::true");
1476#endif 1591#endif
1477 return newSVsv (json_true); 1592 return newSVsv (types_true);
1478 } 1593 }
1479 else 1594 else
1480 ERR ("'true' expected"); 1595 ERR ("'true' expected");
1481 1596
1482 break; 1597 break;
1484 case 'f': 1599 case 'f':
1485 if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) 1600 if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5))
1486 { 1601 {
1487 dec->cur += 5; 1602 dec->cur += 5;
1488#if JSON_SLOW 1603#if JSON_SLOW
1489 json_false = get_bool ("JSON::XS::false"); 1604 types_false = get_bool ("Types::Serialiser::false");
1490#endif 1605#endif
1491 return newSVsv (json_false); 1606 return newSVsv (types_false);
1492 } 1607 }
1493 else 1608 else
1494 ERR ("'false' expected"); 1609 ERR ("'false' expected");
1495 1610
1496 break; 1611 break;
1505 ERR ("'null' expected"); 1620 ERR ("'null' expected");
1506 1621
1507 break; 1622 break;
1508 1623
1509 default: 1624 default:
1510 ERR ("malformed JSON string, neither array, object, number, string or atom"); 1625 ERR ("malformed JSON string, neither tag, array, object, number, string or atom");
1511 break; 1626 break;
1512 } 1627 }
1513 1628
1514fail: 1629fail:
1515 return 0; 1630 return 0;
1520{ 1635{
1521 dec_t dec; 1636 dec_t dec;
1522 SV *sv; 1637 SV *sv;
1523 1638
1524 /* work around bugs in 5.10 where manipulating magic values 1639 /* work around bugs in 5.10 where manipulating magic values
1525 * will perl ignore the magic in subsequent accesses 1640 * makes perl ignore the magic in subsequent accesses.
1641 * also make a copy of non-PV values, to get them into a clean
1642 * state (SvPV should do that, but it's buggy, see below).
1526 */ 1643 */
1527 /*SvGETMAGIC (string);*/ 1644 /*SvGETMAGIC (string);*/
1528 if (SvMAGICAL (string)) 1645 if (SvMAGICAL (string) || !SvPOK (string))
1529 string = sv_2mortal (newSVsv (string)); 1646 string = sv_2mortal (newSVsv (string));
1530 1647
1531 SvUPGRADE (string, SVt_PV); 1648 SvUPGRADE (string, SVt_PV);
1532 1649
1533 /* work around a bug in perl 5.10, which causes SvCUR to fail an 1650 /* 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); 1719 pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1603 LEAVE; 1720 LEAVE;
1604 1721
1605 croak ("%s, at character offset %d (before \"%s\")", 1722 croak ("%s, at character offset %d (before \"%s\")",
1606 dec.err, 1723 dec.err,
1607 ptr_to_index (string, dec.cur), 1724 (int)ptr_to_index (string, dec.cur),
1608 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); 1725 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
1609 } 1726 }
1610 1727
1611 sv = sv_2mortal (sv); 1728 sv = sv_2mortal (sv);
1612 1729
1740 self->incr_mode = INCR_M_STR; 1857 self->incr_mode = INCR_M_STR;
1741 goto incr_m_str; 1858 goto incr_m_str;
1742 1859
1743 case '[': 1860 case '[':
1744 case '{': 1861 case '{':
1862 case '(':
1745 if (++self->incr_nest > self->max_depth) 1863 if (++self->incr_nest > self->max_depth)
1746 croak (ERR_NESTING_EXCEEDED); 1864 croak (ERR_NESTING_EXCEEDED);
1747 break; 1865 break;
1748 1866
1749 case ']': 1867 case ']':
1750 case '}': 1868 case '}':
1751 if (--self->incr_nest <= 0) 1869 if (--self->incr_nest <= 0)
1752 goto interrupt; 1870 goto interrupt;
1871 break;
1872
1873 case ')':
1874 --self->incr_nest;
1753 break; 1875 break;
1754 1876
1755 case '#': 1877 case '#':
1756 self->incr_mode = INCR_M_C1; 1878 self->incr_mode = INCR_M_C1;
1757 goto incr_m_c; 1879 goto incr_m_c;
1783 i >= '0' && i <= '9' ? i - '0' 1905 i >= '0' && i <= '9' ? i - '0'
1784 : i >= 'a' && i <= 'f' ? i - 'a' + 10 1906 : i >= 'a' && i <= 'f' ? i - 'a' + 10
1785 : i >= 'A' && i <= 'F' ? i - 'A' + 10 1907 : i >= 'A' && i <= 'F' ? i - 'A' + 10
1786 : -1; 1908 : -1;
1787 1909
1788 json_stash = gv_stashpv ("JSON::XS" , 1); 1910 json_stash = gv_stashpv ("JSON::XS" , 1);
1789 json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); 1911 types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1);
1790 1912
1791 json_true = get_bool ("JSON::XS::true"); 1913 types_true = get_bool ("Types::Serialiser::true");
1792 json_false = get_bool ("JSON::XS::false"); 1914 types_false = get_bool ("Types::Serialiser::false");
1915
1916 sv_json = newSVpv ("JSON", 0);
1917 SvREADONLY_on (sv_json);
1793 1918
1794 CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ 1919 CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */
1795} 1920}
1796 1921
1797PROTOTYPES: DISABLE 1922PROTOTYPES: DISABLE
1798 1923
1799void CLONE (...) 1924void CLONE (...)
1800 CODE: 1925 CODE:
1801 json_stash = 0; 1926 json_stash = 0;
1802 json_boolean_stash = 0; 1927 types_boolean_stash = 0;
1803 1928
1804void new (char *klass) 1929void new (char *klass)
1805 PPCODE: 1930 PPCODE:
1806{ 1931{
1807 SV *pv = NEWSV (0, sizeof (JSON)); 1932 SV *pv = NEWSV (0, sizeof (JSON));
1808 SvPOK_only (pv); 1933 SvPOK_only (pv);
1809 json_init ((JSON *)SvPVX (pv)); 1934 json_init ((JSON *)SvPVX (pv));
1810 XPUSHs (sv_2mortal (sv_bless ( 1935 XPUSHs (sv_2mortal (sv_bless (
1811 newRV_noinc (pv), 1936 newRV_noinc (pv),
1812 strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) 1937 strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1)
1827 shrink = F_SHRINK 1952 shrink = F_SHRINK
1828 allow_blessed = F_ALLOW_BLESSED 1953 allow_blessed = F_ALLOW_BLESSED
1829 convert_blessed = F_CONV_BLESSED 1954 convert_blessed = F_CONV_BLESSED
1830 relaxed = F_RELAXED 1955 relaxed = F_RELAXED
1831 allow_unknown = F_ALLOW_UNKNOWN 1956 allow_unknown = F_ALLOW_UNKNOWN
1957 allow_tags = F_ALLOW_TAGS
1832 PPCODE: 1958 PPCODE:
1833{ 1959{
1834 if (enable) 1960 if (enable)
1835 self->flags |= ix; 1961 self->flags |= ix;
1836 else 1962 else
1852 get_shrink = F_SHRINK 1978 get_shrink = F_SHRINK
1853 get_allow_blessed = F_ALLOW_BLESSED 1979 get_allow_blessed = F_ALLOW_BLESSED
1854 get_convert_blessed = F_CONV_BLESSED 1980 get_convert_blessed = F_CONV_BLESSED
1855 get_relaxed = F_RELAXED 1981 get_relaxed = F_RELAXED
1856 get_allow_unknown = F_ALLOW_UNKNOWN 1982 get_allow_unknown = F_ALLOW_UNKNOWN
1983 get_allow_tags = F_ALLOW_TAGS
1857 PPCODE: 1984 PPCODE:
1858 XPUSHs (boolSV (self->flags & ix)); 1985 XPUSHs (boolSV (self->flags & ix));
1859 1986
1860void max_depth (JSON *self, U32 max_depth = 0x80000000UL) 1987void max_depth (JSON *self, U32 max_depth = 0x80000000UL)
1861 PPCODE: 1988 PPCODE:
1889} 2016}
1890 2017
1891void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) 2018void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef)
1892 PPCODE: 2019 PPCODE:
1893{ 2020{
1894 if (!self->cb_sk_object) 2021 if (!self->cb_sk_object)
1895 self->cb_sk_object = newHV (); 2022 self->cb_sk_object = newHV ();
1896 2023
1897 if (SvOK (cb)) 2024 if (SvOK (cb))
1898 hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); 2025 hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1899 else 2026 else
1910 XPUSHs (ST (0)); 2037 XPUSHs (ST (0));
1911} 2038}
1912 2039
1913void encode (JSON *self, SV *scalar) 2040void encode (JSON *self, SV *scalar)
1914 PPCODE: 2041 PPCODE:
1915 XPUSHs (encode_json (scalar, self)); 2042 PUTBACK; scalar = encode_json (scalar, self); SPAGAIN;
2043 XPUSHs (scalar);
1916 2044
1917void decode (JSON *self, SV *jsonstr) 2045void decode (JSON *self, SV *jsonstr)
1918 PPCODE: 2046 PPCODE:
1919 XPUSHs (decode_json (jsonstr, self, 0)); 2047 PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN;
2048 XPUSHs (jsonstr);
1920 2049
1921void decode_prefix (JSON *self, SV *jsonstr) 2050void decode_prefix (JSON *self, SV *jsonstr)
1922 PPCODE: 2051 PPCODE:
1923{ 2052{
2053 SV *sv;
1924 char *offset; 2054 char *offset;
2055 PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN;
1925 EXTEND (SP, 2); 2056 EXTEND (SP, 2);
1926 PUSHs (decode_json (jsonstr, self, &offset)); 2057 PUSHs (sv);
1927 PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); 2058 PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset))));
1928} 2059}
1929 2060
1930void incr_parse (JSON *self, SV *jsonstr = 0) 2061void incr_parse (JSON *self, SV *jsonstr = 0)
1931 PPCODE: 2062 PPCODE:
1978 } 2109 }
1979 2110
1980 if (GIMME_V != G_VOID) 2111 if (GIMME_V != G_VOID)
1981 do 2112 do
1982 { 2113 {
2114 SV *sv;
1983 char *offset; 2115 char *offset;
1984 2116
1985 if (!INCR_DONE (self)) 2117 if (!INCR_DONE (self))
1986 { 2118 {
1987 incr_parse (self); 2119 incr_parse (self);
1989 if (self->incr_pos > self->max_size && self->max_size) 2121 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", 2122 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); 2123 (unsigned long)self->incr_pos, (unsigned long)self->max_size);
1992 2124
1993 if (!INCR_DONE (self)) 2125 if (!INCR_DONE (self))
2126 {
2127 // as an optimisation, do not accumulate white space in the incr buffer
2128 if (self->incr_mode == INCR_M_WS && self->incr_pos)
2129 {
2130 self->incr_pos = 0;
2131 SvCUR_set (self->incr_text, 0);
2132 }
2133
1994 break; 2134 break;
2135 }
1995 } 2136 }
1996 2137
1997 XPUSHs (decode_json (self->incr_text, self, &offset)); 2138 PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN;
2139 XPUSHs (sv);
1998 2140
1999 self->incr_pos -= offset - SvPVX (self->incr_text); 2141 self->incr_pos -= offset - SvPVX (self->incr_text);
2000 self->incr_nest = 0; 2142 self->incr_nest = 0;
2001 self->incr_mode = 0; 2143 self->incr_mode = 0;
2002 2144
2046 SvREFCNT_dec (self->incr_text); 2188 SvREFCNT_dec (self->incr_text);
2047 2189
2048PROTOTYPES: ENABLE 2190PROTOTYPES: ENABLE
2049 2191
2050void encode_json (SV *scalar) 2192void encode_json (SV *scalar)
2051 ALIAS:
2052 to_json_ = 0
2053 encode_json = F_UTF8
2054 PPCODE: 2193 PPCODE:
2055{ 2194{
2056 JSON json; 2195 JSON json;
2057 json_init (&json); 2196 json_init (&json);
2058 json.flags |= ix; 2197 json.flags |= F_UTF8;
2059 XPUSHs (encode_json (scalar, &json)); 2198 PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN;
2199 XPUSHs (scalar);
2060} 2200}
2061 2201
2062void decode_json (SV *jsonstr) 2202void decode_json (SV *jsonstr)
2063 ALIAS:
2064 from_json_ = 0
2065 decode_json = F_UTF8
2066 PPCODE: 2203 PPCODE:
2067{ 2204{
2068 JSON json; 2205 JSON json;
2069 json_init (&json); 2206 json_init (&json);
2070 json.flags |= ix; 2207 json.flags |= F_UTF8;
2071 XPUSHs (decode_json (jsonstr, &json, 0)); 2208 PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN;
2209 XPUSHs (jsonstr);
2072} 2210}
2073 2211

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