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Comparing JSON-XS/XS.xs (file contents):
Revision 1.119 by root, Mon Oct 28 23:19:54 2013 UTC vs.
Revision 1.124 by root, Mon Nov 24 18:42:51 2014 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
683// encode objects, arrays and special \0=false and \1=true values. 694// encode objects, arrays and special \0=false and \1=true values.
684static void 695static void
685encode_rv (enc_t *enc, SV *sv) 696encode_rv (enc_t *enc, SV *sv)
686{ 697{
687 svtype svt; 698 svtype svt;
699 GV *method;
688 700
689 SvGETMAGIC (sv); 701 SvGETMAGIC (sv);
690 svt = SvTYPE (sv); 702 svt = SvTYPE (sv);
691 703
692 if (expect_false (SvOBJECT (sv))) 704 if (expect_false (SvOBJECT (sv)))
701 if (SvIV (sv)) 713 if (SvIV (sv))
702 encode_str (enc, "true", 4, 0); 714 encode_str (enc, "true", 4, 0);
703 else 715 else
704 encode_str (enc, "false", 5, 0); 716 encode_str (enc, "false", 5, 0);
705 } 717 }
706 else if (enc->json.flags & F_CONV_BLESSED) 718 else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0)))
707 { 719 {
708 GV *to_json = gv_fetchmethod_autoload (stash, "TO_JSON", 0); 720 int count;
721 dSP;
709 722
723 ENTER; SAVETMPS; PUSHMARK (SP);
724 EXTEND (SP, 2);
725 // we re-bless the reference to get overload and other niceties right
726 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
710 if (to_json) 727 PUSHs (sv_json);
728
729 PUTBACK;
730 count = call_sv ((SV *)GvCV (method), G_ARRAY);
731 SPAGAIN;
732
733 // catch this surprisingly common error
734 if (SvROK (TOPs) && SvRV (TOPs) == sv)
735 croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
736
737 encode_ch (enc, '(');
738 encode_ch (enc, '"');
739 encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
740 encode_ch (enc, '"');
741 encode_ch (enc, ')');
742 encode_ch (enc, '[');
743
744 while (count)
711 { 745 {
712 dSP; 746 encode_sv (enc, SP[1 - count--]);
713 747
714 ENTER; SAVETMPS; PUSHMARK (SP); 748 if (count)
715 // we re-bless the reference to get overload and other niceties right
716 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
717
718 // calling with G_SCALAR ensures that we always get a 1 return value
719 PUTBACK;
720 call_sv ((SV *)GvCV (to_json), G_SCALAR);
721 SPAGAIN;
722
723 // catch this surprisingly common error
724 if (SvROK (TOPs) && SvRV (TOPs) == sv)
725 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
726
727 sv = POPs;
728 PUTBACK;
729
730 encode_sv (enc, sv); 749 encode_ch (enc, ',');
731
732 FREETMPS; LEAVE;
733 } 750 }
734 else if (enc->json.flags & F_ALLOW_BLESSED) 751
735 encode_str (enc, "null", 4, 0); 752 encode_ch (enc, ']');
736 else 753
737 croak ("encountered object '%s' when conv_object is enabled, but TO_JSON is missing and allow_blessed disabled", 754 PUTBACK;
738 SvPV_nolen (sv_2mortal (newRV_inc (sv)))); 755
756 FREETMPS; LEAVE;
739 } 757 }
740 else if (enc->json.flags & F_ALLOW_TAGS) 758 else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0)))
741 { 759 {
742 GV *method = gv_fetchmethod_autoload (stash, "FREEZE", 0);
743
744 if (method)
745 {
746 int count;
747 dSP; 760 dSP;
748 761
749 ENTER; SAVETMPS; PUSHMARK (SP); 762 ENTER; SAVETMPS; PUSHMARK (SP);
750 EXTEND (SP, 2);
751 // we re-bless the reference to get overload and other niceties right 763 // we re-bless the reference to get overload and other niceties right
752 PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); 764 XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash));
753 PUSHs (sv_json);
754 765
766 // calling with G_SCALAR ensures that we always get a 1 return value
755 PUTBACK; 767 PUTBACK;
756 count = call_sv ((SV *)GvCV (method), G_ARRAY); 768 call_sv ((SV *)GvCV (method), G_SCALAR);
757 SPAGAIN; 769 SPAGAIN;
758 770
759 // catch this surprisingly common error 771 // catch this surprisingly common error
760 if (SvROK (TOPs) && SvRV (TOPs) == sv) 772 if (SvROK (TOPs) && SvRV (TOPs) == sv)
761 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); 773 croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv)));
762 774
763 encode_ch (enc, '('); 775 sv = POPs;
764 encode_ch (enc, '"');
765 encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash));
766 encode_ch (enc, '"');
767 encode_ch (enc, ')');
768 encode_ch (enc, '[');
769
770 while (count)
771 {
772 encode_sv (enc, SP[1 - count--]);
773
774 if (count)
775 encode_ch (enc, ',');
776 }
777
778 encode_ch (enc, ']');
779
780 PUTBACK; 776 PUTBACK;
781 777
778 encode_sv (enc, sv);
779
782 FREETMPS; LEAVE; 780 FREETMPS; LEAVE;
783 }
784 else if (enc->json.flags & F_ALLOW_BLESSED)
785 encode_str (enc, "null", 4, 0);
786 else
787 croak ("encountered object '%s' when allow_tags is enabled, but FREEZE is missing and allow_blessed disabled",
788 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
789 } 781 }
790 else if (enc->json.flags & F_ALLOW_BLESSED) 782 else if (enc->json.flags & F_ALLOW_BLESSED)
791 encode_str (enc, "null", 4, 0); 783 encode_str (enc, "null", 4, 0);
792 else 784 else
793 croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled", 785 croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)",
794 SvPV_nolen (sv_2mortal (newRV_inc (sv)))); 786 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
795 } 787 }
796 else if (svt == SVt_PVHV) 788 else if (svt == SVt_PVHV)
797 encode_hv (enc, (HV *)sv); 789 encode_hv (enc, (HV *)sv);
798 else if (svt == SVt_PVAV) 790 else if (svt == SVt_PVAV)
1112 *cur++ = *dec_cur++; 1104 *cur++ = *dec_cur++;
1113 while (--clen); 1105 while (--clen);
1114 1106
1115 utf8 = 1; 1107 utf8 = 1;
1116 } 1108 }
1109 else if (ch == '\t' && dec->json.flags & F_RELAXED)
1110 *cur++ = ch;
1117 else 1111 else
1118 { 1112 {
1119 --dec_cur; 1113 --dec_cur;
1120 1114
1121 if (!ch) 1115 if (!ch)
1511 if (!(dec->json.flags & F_ALLOW_TAGS)) 1505 if (!(dec->json.flags & F_ALLOW_TAGS))
1512 ERR ("malformed JSON string, neither array, object, number, string or atom"); 1506 ERR ("malformed JSON string, neither array, object, number, string or atom");
1513 1507
1514 ++dec->cur; 1508 ++dec->cur;
1515 1509
1510 decode_ws (dec);
1511
1516 tag = decode_sv (dec); 1512 tag = decode_sv (dec);
1517 if (!tag) 1513 if (!tag)
1518 goto fail; 1514 goto fail;
1519 1515
1520 if (!SvPOK (tag)) 1516 if (!SvPOK (tag))
1521 ERR ("malformed JSON string, (tag) must be a string"); 1517 ERR ("malformed JSON string, (tag) must be a string");
1522 1518
1519 decode_ws (dec);
1520
1523 if (*dec->cur != ')') 1521 if (*dec->cur != ')')
1524 ERR (") expected after tag"); 1522 ERR (") expected after tag");
1525 1523
1526 ++dec->cur; 1524 ++dec->cur;
1525
1526 decode_ws (dec);
1527 1527
1528 val = decode_sv (dec); 1528 val = decode_sv (dec);
1529 if (!val) 1529 if (!val)
1530 goto fail; 1530 goto fail;
1531 1531

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