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Comparing CBOR-XS/XS.xs (file contents):
Revision 1.11 by root, Sun Oct 27 22:35:15 2013 UTC vs.
Revision 1.19 by root, Wed Nov 20 02:03:09 2013 UTC

… …
9#include <limits.h> 9#include <limits.h>
10#include <float.h> 10#include <float.h>
11 11
12#include "ecb.h" 12#include "ecb.h"
13 13
14// compatibility with perl <5.18
15#ifndef HvNAMELEN_get
16# define HvNAMELEN_get(hv) strlen (HvNAME (hv))
17#endif
18#ifndef HvNAMELEN
19# define HvNAMELEN(hv) HvNAMELEN_get (hv)
20#endif
21#ifndef HvNAMEUTF8
22# define HvNAMEUTF8(hv) 0
23#endif
24
14// known tags 25// known tags
15enum cbor_tag 26enum cbor_tag
16{ 27{
17 // inofficial extensions (pending iana registration) 28 // inofficial extensions (pending iana registration)
18 CBOR_TAG_PERL_OBJECT = 256, 29 CBOR_TAG_PERL_OBJECT = 24, // http://cbor.schmorp.de/perl-object
19 CBOR_TAG_GENERIC_OBJECT = 257, 30 CBOR_TAG_GENERIC_OBJECT = 25, // http://cbor.schmorp.de/generic-object
31 CBOR_TAG_VALUE_SHAREABLE = 26, // http://cbor.schmorp.de/value-sharing
32 CBOR_TAG_VALUE_SHAREDREF = 27, // http://cbor.schmorp.de/value-sharing
33 CBOR_TAG_STRINGREF_NAMESPACE = 65537, // http://cbor.schmorp.de/stringref
34 CBOR_TAG_STRINGREF = 28, // http://cbor.schmorp.de/stringref
35 CBOR_TAG_INDIRECTION = 22098, // http://cbor.schmorp.de/indirection
20 36
21 // rfc7049 37 // rfc7049
22 CBOR_TAG_DATETIME = 0, // rfc4287, utf-8 38 CBOR_TAG_DATETIME = 0, // rfc4287, utf-8
23 CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any 39 CBOR_TAG_TIMESTAMP = 1, // unix timestamp, any
24 CBOR_TAG_POS_BIGNUM = 2, // byte string 40 CBOR_TAG_POS_BIGNUM = 2, // byte string
… …
38 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8 54 CBOR_TAG_MIME = 36, // mime message rfc2045, utf-8
39 55
40 CBOR_TAG_MAGIC = 55799 // self-describe cbor 56 CBOR_TAG_MAGIC = 55799 // self-describe cbor
41}; 57};
42 58
43#define F_SHRINK 0x00000200UL 59#define F_SHRINK 0x00000001UL
44#define F_ALLOW_UNKNOWN 0x00002000UL 60#define F_ALLOW_UNKNOWN 0x00000002UL
61#define F_ALLOW_SHARING 0x00000004UL //TODO
62#define F_DEDUP_STRINGS 0x00000008UL //TODO
63#define F_DEDUP_KEYS 0x00000010UL //TODO
45 64
46#define INIT_SIZE 32 // initial scalar size to be allocated 65#define INIT_SIZE 32 // initial scalar size to be allocated
47 66
48#define SB do { 67#define SB do {
49#define SE } while (0) 68#define SE } while (0)
… …
106#endif 125#endif
107 } 126 }
108} 127}
109 128
110///////////////////////////////////////////////////////////////////////////// 129/////////////////////////////////////////////////////////////////////////////
111// fp hell
112
113//TODO
114
115/////////////////////////////////////////////////////////////////////////////
116// encoder 130// encoder
117 131
118// structure used for encoding CBOR 132// structure used for encoding CBOR
119typedef struct 133typedef struct
120{ 134{
121 char *cur; // SvPVX (sv) + current output position 135 char *cur; // SvPVX (sv) + current output position
122 char *end; // SvEND (sv) 136 char *end; // SvEND (sv)
123 SV *sv; // result scalar 137 SV *sv; // result scalar
124 CBOR cbor; 138 CBOR cbor;
125 U32 depth; // recursion level 139 U32 depth; // recursion level
140 HV *stringref; // string => index, or 0
141 HV *shareable; // ptr => index, or 0
142 UV shareable_idx;
126} enc_t; 143} enc_t;
127 144
128ecb_inline void 145ecb_inline void
129need (enc_t *enc, STRLEN len) 146need (enc_t *enc, STRLEN len)
130{ 147{
… …
191 need (enc, len); 208 need (enc, len);
192 memcpy (enc->cur, str, len); 209 memcpy (enc->cur, str, len);
193 enc->cur += len; 210 enc->cur += len;
194} 211}
195 212
213ecb_inline void
214encode_tag (enc_t *enc, UV tag)
215{
216 encode_uint (enc, 0xc0, tag);
217}
218
196static void encode_sv (enc_t *enc, SV *sv); 219static void encode_sv (enc_t *enc, SV *sv);
197 220
198static void 221static void
199encode_av (enc_t *enc, AV *av) 222encode_av (enc_t *enc, AV *av)
200{ 223{
… …
252 275
253// encode objects, arrays and special \0=false and \1=true values. 276// encode objects, arrays and special \0=false and \1=true values.
254static void 277static void
255encode_rv (enc_t *enc, SV *sv) 278encode_rv (enc_t *enc, SV *sv)
256{ 279{
257 svtype svt;
258
259 SvGETMAGIC (sv); 280 SvGETMAGIC (sv);
281
282 if (ecb_expect_false (enc->cbor.flags & F_ALLOW_SHARING)
283 && ecb_expect_false (SvREFCNT (sv) > 1))
284 {
285 if (!enc->shareable)
286 enc->shareable = (HV *)sv_2mortal ((SV *)newHV ());
287
288 SV **svp = hv_fetch (enc->shareable, (char *)&sv, sizeof (sv), 1);
289
290 if (SvOK (*svp))
291 {
292 encode_tag (enc, CBOR_TAG_VALUE_SHAREDREF);
293 encode_uint (enc, 0x00, SvUV (*svp));
294 return;
295 }
296 else
297 {
298 sv_setuv (*svp, enc->shareable_idx);
299 ++enc->shareable_idx;
300 encode_tag (enc, CBOR_TAG_VALUE_SHAREABLE);
301 }
302 }
303
260 svt = SvTYPE (sv); 304 svtype svt = SvTYPE (sv);
261 305
262 if (ecb_expect_false (SvOBJECT (sv))) 306 if (ecb_expect_false (SvOBJECT (sv)))
263 { 307 {
264 HV *boolean_stash = !CBOR_SLOW || types_boolean_stash 308 HV *boolean_stash = !CBOR_SLOW || types_boolean_stash
265 ? types_boolean_stash 309 ? types_boolean_stash
… …
325 369
326 // catch this surprisingly common error 370 // catch this surprisingly common error
327 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv) 371 if (count == 1 && SvROK (TOPs) && SvRV (TOPs) == sv)
328 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash)); 372 croak ("%s::FREEZE(CBOR) method returned same object as was passed instead of a new one", HvNAME (stash));
329 373
330 encode_uint (enc, 0xc0, CBOR_TAG_PERL_OBJECT); 374 encode_tag (enc, CBOR_TAG_PERL_OBJECT);
331 encode_uint (enc, 0x80, count + 1); 375 encode_uint (enc, 0x80, count + 1);
332 encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash)); 376 encode_str (enc, HvNAMEUTF8 (stash), HvNAME (stash), HvNAMELEN (stash));
333 377
334 while (count) 378 while (count)
335 encode_sv (enc, SP[1 - count--]); 379 encode_sv (enc, SP[1 - count--]);
… …
344 } 388 }
345 else if (svt == SVt_PVHV) 389 else if (svt == SVt_PVHV)
346 encode_hv (enc, (HV *)sv); 390 encode_hv (enc, (HV *)sv);
347 else if (svt == SVt_PVAV) 391 else if (svt == SVt_PVAV)
348 encode_av (enc, (AV *)sv); 392 encode_av (enc, (AV *)sv);
349 else if (svt < SVt_PVAV)
350 {
351 STRLEN len = 0;
352 char *pv = svt ? SvPV (sv, len) : 0;
353
354 if (len == 1 && *pv == '1')
355 encode_ch (enc, 0xe0 | 21);
356 else if (len == 1 && *pv == '0')
357 encode_ch (enc, 0xe0 | 20);
358 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
359 encode_ch (enc, 0xe0 | 23);
360 else
361 croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
362 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
363 }
364 else if (enc->cbor.flags & F_ALLOW_UNKNOWN)
365 encode_ch (enc, 0xe0 | 23);
366 else 393 else
367 croak ("encountered %s, but CBOR can only represent references to arrays or hashes", 394 {
368 SvPV_nolen (sv_2mortal (newRV_inc (sv)))); 395 encode_tag (enc, CBOR_TAG_INDIRECTION);
396 encode_sv (enc, sv);
397 }
369} 398}
370 399
371static void 400static void
372encode_nv (enc_t *enc, SV *sv) 401encode_nv (enc_t *enc, SV *sv)
373{ 402{
… …
438} 467}
439 468
440static SV * 469static SV *
441encode_cbor (SV *scalar, CBOR *cbor) 470encode_cbor (SV *scalar, CBOR *cbor)
442{ 471{
443 enc_t enc; 472 enc_t enc = { };
444 473
445 enc.cbor = *cbor; 474 enc.cbor = *cbor;
446 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 475 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
447 enc.cur = SvPVX (enc.sv); 476 enc.cur = SvPVX (enc.sv);
448 enc.end = SvEND (enc.sv); 477 enc.end = SvEND (enc.sv);
449 enc.depth = 0;
450 478
451 SvPOK_only (enc.sv); 479 SvPOK_only (enc.sv);
452 encode_sv (&enc, scalar); 480 encode_sv (&enc, scalar);
453 481
454 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); 482 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
… …
470 U8 *end; // end of input string 498 U8 *end; // end of input string
471 const char *err; // parse error, if != 0 499 const char *err; // parse error, if != 0
472 CBOR cbor; 500 CBOR cbor;
473 U32 depth; // recursion depth 501 U32 depth; // recursion depth
474 U32 maxdepth; // recursion depth limit 502 U32 maxdepth; // recursion depth limit
503 AV *shareable;
475} dec_t; 504} dec_t;
476 505
477#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE 506#define ERR(reason) SB if (!dec->err) dec->err = reason; goto fail; SE
478 507
479#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data") 508#define WANT(len) if (ecb_expect_false (dec->cur + len > dec->end)) ERR ("unexpected end of CBOR data")
… …
573 SvREFCNT_dec (av); 602 SvREFCNT_dec (av);
574 DEC_DEC_DEPTH; 603 DEC_DEC_DEPTH;
575 return &PL_sv_undef; 604 return &PL_sv_undef;
576} 605}
577 606
607static void
608decode_he (dec_t *dec, HV *hv)
609{
610 // for speed reasons, we specialcase single-string
611 // byte or utf-8 strings as keys.
612
613 if (*dec->cur >= 0x40 && *dec->cur <= 0x40 + 27)
614 {
615 I32 len = decode_uint (dec);
616 char *key = (char *)dec->cur;
617
618 dec->cur += len;
619
620 hv_store (hv, key, len, decode_sv (dec), 0);
621 }
622 else if (*dec->cur >= 0x60 && *dec->cur <= 0x60 + 27)
623 {
624 I32 len = decode_uint (dec);
625 char *key = (char *)dec->cur;
626
627 dec->cur += len;
628
629 hv_store (hv, key, -len, decode_sv (dec), 0);
630 }
631 else
632 {
633 SV *k = decode_sv (dec);
634 SV *v = decode_sv (dec);
635
636 hv_store_ent (hv, k, v, 0);
637 SvREFCNT_dec (k);
638 }
639}
640
578static SV * 641static SV *
579decode_hv (dec_t *dec) 642decode_hv (dec_t *dec)
580{ 643{
581 HV *hv = newHV (); 644 HV *hv = newHV ();
582 645
… …
594 { 657 {
595 ++dec->cur; 658 ++dec->cur;
596 break; 659 break;
597 } 660 }
598 661
599 SV *k = decode_sv (dec); 662 decode_he (dec, hv);
600 SV *v = decode_sv (dec);
601
602 hv_store_ent (hv, k, v, 0);
603 } 663 }
604 } 664 }
605 else 665 else
606 { 666 {
607 int len = decode_uint (dec); 667 int pairs = decode_uint (dec);
608 668
609 while (len--) 669 while (pairs--)
610 { 670 decode_he (dec, hv);
611 SV *k = decode_sv (dec);
612 SV *v = decode_sv (dec);
613
614 hv_store_ent (hv, k, v, 0);
615 }
616 } 671 }
617 672
618 DEC_DEC_DEPTH; 673 DEC_DEC_DEPTH;
619 return newRV_noinc ((SV *)hv); 674 return newRV_noinc ((SV *)hv);
620 675
… …
669} 724}
670 725
671static SV * 726static SV *
672decode_tagged (dec_t *dec) 727decode_tagged (dec_t *dec)
673{ 728{
729 SV *sv = 0;
674 UV tag = decode_uint (dec); 730 UV tag = decode_uint (dec);
731
732 WANT (1);
733
734 switch (tag)
735 {
736 case CBOR_TAG_MAGIC:
737 return decode_sv (dec);
738
739 case CBOR_TAG_INDIRECTION:
740 return newRV_noinc (decode_sv (dec));
741
742 case CBOR_TAG_VALUE_SHAREABLE:
743 {
744 if (ecb_expect_false (!dec->shareable))
745 dec->shareable = (AV *)sv_2mortal ((SV *)newAV ());
746
747 sv = newSV (0);
748 av_push (dec->shareable, SvREFCNT_inc_NN (sv));
749
675 SV *sv = decode_sv (dec); 750 SV *osv = decode_sv (dec);
751 sv_setsv (sv, osv);
752 SvREFCNT_dec_NN (osv);
753 }
676 754
677 if (tag == CBOR_TAG_MAGIC)
678 return sv; 755 return sv;
679 else if (tag == CBOR_TAG_PERL_OBJECT) 756
680 { 757 case CBOR_TAG_VALUE_SHAREDREF:
758 {
759 if ((*dec->cur >> 5) != 0)
760 ERR ("corrupted CBOR data (sharedref index not an unsigned integer)");
761
762 UV idx = decode_uint (dec);
763
764 if (!dec->shareable || idx > AvFILLp (dec->shareable))
765 ERR ("corrupted CBOR data (sharedref index out of bounds)");
766
767 return SvREFCNT_inc_NN (AvARRAY (dec->shareable)[idx]);
768 }
769
770 case CBOR_TAG_PERL_OBJECT:
771 {
772 sv = decode_sv (dec);
773
681 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV) 774 if (!SvROK (sv) || SvTYPE (SvRV (sv)) != SVt_PVAV)
682 ERR ("corrupted CBOR data (non-array perl object)"); 775 ERR ("corrupted CBOR data (non-array perl object)");
683 776
684 AV *av = (AV *)SvRV (sv); 777 AV *av = (AV *)SvRV (sv);
685 int len = av_len (av) + 1; 778 int len = av_len (av) + 1;
686 HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0); 779 HV *stash = gv_stashsv (*av_fetch (av, 0, 1), 0);
687 780
688 if (!stash) 781 if (!stash)
689 ERR ("cannot decode perl-object (package does not exist)"); 782 ERR ("cannot decode perl-object (package does not exist)");
690 783
691 GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); 784 GV *method = gv_fetchmethod_autoload (stash, "THAW", 0);
692 785
693 if (!method) 786 if (!method)
694 ERR ("cannot decode perl-object (package does not have a THAW method)"); 787 ERR ("cannot decode perl-object (package does not have a THAW method)");
695 788
696 dSP; 789 dSP;
697 790
698 ENTER; SAVETMPS; PUSHMARK (SP); 791 ENTER; SAVETMPS; PUSHMARK (SP);
699 EXTEND (SP, len + 1); 792 EXTEND (SP, len + 1);
700 // we re-bless the reference to get overload and other niceties right 793 // we re-bless the reference to get overload and other niceties right
701 PUSHs (*av_fetch (av, 0, 1)); 794 PUSHs (*av_fetch (av, 0, 1));
702 PUSHs (sv_cbor); 795 PUSHs (sv_cbor);
703 796
704 int i; 797 int i;
705 798
706 for (i = 1; i < len; ++i) 799 for (i = 1; i < len; ++i)
707 PUSHs (*av_fetch (av, i, 1)); 800 PUSHs (*av_fetch (av, i, 1));
708 801
709 PUTBACK; 802 PUTBACK;
710 call_sv ((SV *)GvCV (method), G_SCALAR); 803 call_sv ((SV *)GvCV (method), G_SCALAR | G_EVAL);
711 SPAGAIN; 804 SPAGAIN;
712 805
806 if (SvTRUE (ERRSV))
807 {
808 FREETMPS; LEAVE;
809 ERR (SvPVutf8_nolen (sv_2mortal (SvREFCNT_inc (ERRSV))));
810 }
811
812 SvREFCNT_dec (sv);
713 sv = SvREFCNT_inc (POPs); 813 sv = SvREFCNT_inc (POPs);
714 814
715 PUTBACK; 815 PUTBACK;
716 816
717 FREETMPS; LEAVE; 817 FREETMPS; LEAVE;
718 818
719 return sv; 819 return sv;
720 } 820 }
721 else 821
722 { 822 default:
823 {
824 sv = decode_sv (dec);
825
723 AV *av = newAV (); 826 AV *av = newAV ();
724 av_push (av, newSVuv (tag)); 827 av_push (av, newSVuv (tag));
725 av_push (av, sv); 828 av_push (av, sv);
726 829
727 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash 830 HV *tagged_stash = !CBOR_SLOW || cbor_tagged_stash
728 ? cbor_tagged_stash 831 ? cbor_tagged_stash
729 : gv_stashpv ("CBOR::XS::Tagged" , 1); 832 : gv_stashpv ("CBOR::XS::Tagged" , 1);
730 833
731 return sv_bless (newRV_noinc ((SV *)av), tagged_stash); 834 return sv_bless (newRV_noinc ((SV *)av), tagged_stash);
835 }
732 } 836 }
733 837
734fail: 838fail:
735 SvREFCNT_dec (sv); 839 SvREFCNT_dec (sv);
736 return &PL_sv_undef; 840 return &PL_sv_undef;
… …
828} 932}
829 933
830static SV * 934static SV *
831decode_cbor (SV *string, CBOR *cbor, char **offset_return) 935decode_cbor (SV *string, CBOR *cbor, char **offset_return)
832{ 936{
833 dec_t dec; 937 dec_t dec = { };
834 SV *sv; 938 SV *sv;
939 STRLEN len;
940 char *data = SvPVbyte (string, len);
835 941
836 /* work around bugs in 5.10 where manipulating magic values
837 * makes perl ignore the magic in subsequent accesses.
838 * also make a copy of non-PV values, to get them into a clean
839 * state (SvPV should do that, but it's buggy, see below).
840 */
841 /*SvGETMAGIC (string);*/
842 if (SvMAGICAL (string) || !SvPOK (string))
843 string = sv_2mortal (newSVsv (string));
844
845 SvUPGRADE (string, SVt_PV);
846
847 /* work around a bug in perl 5.10, which causes SvCUR to fail an
848 * assertion with -DDEBUGGING, although SvCUR is documented to
849 * return the xpv_cur field which certainly exists after upgrading.
850 * according to nicholas clark, calling SvPOK fixes this.
851 * But it doesn't fix it, so try another workaround, call SvPV_nolen
852 * and hope for the best.
853 * Damnit, SvPV_nolen still trips over yet another assertion. This
854 * assertion business is seriously broken, try yet another workaround
855 * for the broken -DDEBUGGING.
856 */
857 {
858#ifdef DEBUGGING
859 STRLEN offset = SvOK (string) ? sv_len (string) : 0;
860#else
861 STRLEN offset = SvCUR (string);
862#endif
863
864 if (offset > cbor->max_size && cbor->max_size) 942 if (len > cbor->max_size && cbor->max_size)
865 croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu", 943 croak ("attempted decode of CBOR text of %lu bytes size, but max_size is set to %lu",
866 (unsigned long)SvCUR (string), (unsigned long)cbor->max_size); 944 (unsigned long)len, (unsigned long)cbor->max_size);
867 }
868
869 sv_utf8_downgrade (string, 0);
870 945
871 dec.cbor = *cbor; 946 dec.cbor = *cbor;
872 dec.cur = (U8 *)SvPVX (string); 947 dec.cur = (U8 *)data;
873 dec.end = (U8 *)SvEND (string); 948 dec.end = (U8 *)data + len;
874 dec.err = 0;
875 dec.depth = 0;
876 949
877 sv = decode_sv (&dec); 950 sv = decode_sv (&dec);
878 951
879 if (offset_return) 952 if (offset_return)
880 *offset_return = dec.cur; 953 *offset_return = dec.cur;
… …
884 dec.err = "garbage after CBOR object"; 957 dec.err = "garbage after CBOR object";
885 958
886 if (dec.err) 959 if (dec.err)
887 { 960 {
888 SvREFCNT_dec (sv); 961 SvREFCNT_dec (sv);
889 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)SvPVX (string), (int)(uint8_t)*dec.cur); 962 croak ("%s, at offset %d (octet 0x%02x)", dec.err, dec.cur - (U8 *)data, (int)(uint8_t)*dec.cur);
890 } 963 }
891 964
892 sv = sv_2mortal (sv); 965 sv = sv_2mortal (sv);
893 966
894 return sv; 967 return sv;
… …
938 1011
939void shrink (CBOR *self, int enable = 1) 1012void shrink (CBOR *self, int enable = 1)
940 ALIAS: 1013 ALIAS:
941 shrink = F_SHRINK 1014 shrink = F_SHRINK
942 allow_unknown = F_ALLOW_UNKNOWN 1015 allow_unknown = F_ALLOW_UNKNOWN
1016 allow_sharing = F_ALLOW_SHARING
1017 dedup_keys = F_DEDUP_KEYS
1018 dedup_strings = F_DEDUP_STRINGS
943 PPCODE: 1019 PPCODE:
944{ 1020{
945 if (enable) 1021 if (enable)
946 self->flags |= ix; 1022 self->flags |= ix;
947 else 1023 else
… …
952 1028
953void get_shrink (CBOR *self) 1029void get_shrink (CBOR *self)
954 ALIAS: 1030 ALIAS:
955 get_shrink = F_SHRINK 1031 get_shrink = F_SHRINK
956 get_allow_unknown = F_ALLOW_UNKNOWN 1032 get_allow_unknown = F_ALLOW_UNKNOWN
1033 get_allow_sharing = F_ALLOW_SHARING
1034 get_dedup_keys = F_DEDUP_KEYS
1035 get_dedup_strings = F_DEDUP_STRINGS
957 PPCODE: 1036 PPCODE:
958 XPUSHs (boolSV (self->flags & ix)); 1037 XPUSHs (boolSV (self->flags & ix));
959 1038
960void max_depth (CBOR *self, U32 max_depth = 0x80000000UL) 1039void max_depth (CBOR *self, U32 max_depth = 0x80000000UL)
961 PPCODE: 1040 PPCODE:
… …
976int get_max_size (CBOR *self) 1055int get_max_size (CBOR *self)
977 CODE: 1056 CODE:
978 RETVAL = self->max_size; 1057 RETVAL = self->max_size;
979 OUTPUT: 1058 OUTPUT:
980 RETVAL 1059 RETVAL
981
982#if 0 //TODO
983
984void filter_cbor_object (CBOR *self, SV *cb = &PL_sv_undef)
985 PPCODE:
986{
987 SvREFCNT_dec (self->cb_object);
988 self->cb_object = SvOK (cb) ? newSVsv (cb) : 0;
989
990 XPUSHs (ST (0));
991}
992
993void filter_cbor_single_key_object (CBOR *self, SV *key, SV *cb = &PL_sv_undef)
994 PPCODE:
995{
996 if (!self->cb_sk_object)
997 self->cb_sk_object = newHV ();
998
999 if (SvOK (cb))
1000 hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0);
1001 else
1002 {
1003 hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0);
1004
1005 if (!HvKEYS (self->cb_sk_object))
1006 {
1007 SvREFCNT_dec (self->cb_sk_object);
1008 self->cb_sk_object = 0;
1009 }
1010 }
1011
1012 XPUSHs (ST (0));
1013}
1014
1015#endif
1016 1060
1017void encode (CBOR *self, SV *scalar) 1061void encode (CBOR *self, SV *scalar)
1018 PPCODE: 1062 PPCODE:
1019 PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN; 1063 PUTBACK; scalar = encode_cbor (scalar, self); SPAGAIN;
1020 XPUSHs (scalar); 1064 XPUSHs (scalar);
… …
1033 EXTEND (SP, 2); 1077 EXTEND (SP, 2);
1034 PUSHs (sv); 1078 PUSHs (sv);
1035 PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr)))); 1079 PUSHs (sv_2mortal (newSVuv (offset - SvPVX (cborstr))));
1036} 1080}
1037 1081
1038#if 0
1039
1040void DESTROY (CBOR *self)
1041 CODE:
1042 SvREFCNT_dec (self->cb_sk_object);
1043 SvREFCNT_dec (self->cb_object);
1044
1045#endif
1046
1047PROTOTYPES: ENABLE 1082PROTOTYPES: ENABLE
1048 1083
1049void encode_cbor (SV *scalar) 1084void encode_cbor (SV *scalar)
1050 PPCODE: 1085 PPCODE:
1051{ 1086{

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