… | |
… | |
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 |
43 | #define INDENT_STEP 3 // spaces per indentation level |
44 | #define INDENT_STEP 3 // spaces per indentation level |
44 | |
45 | |
45 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
46 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
|
|
47 | |
|
|
48 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
46 | |
49 | |
47 | #define SB do { |
50 | #define SB do { |
48 | #define SE } while (0) |
51 | #define SE } while (0) |
49 | |
52 | |
50 | #if __GNUC__ >= 3 |
53 | #if __GNUC__ >= 3 |
… | |
… | |
70 | #else |
73 | #else |
71 | # define JSON_SLOW 0 |
74 | # define JSON_SLOW 0 |
72 | # define JSON_STASH json_stash |
75 | # define JSON_STASH json_stash |
73 | #endif |
76 | #endif |
74 | |
77 | |
|
|
78 | // the amount of HEs to allocate on the stack, when sorting keys |
|
|
79 | #define STACK_HES 64 |
|
|
80 | |
75 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
81 | static HV *json_stash, *types_boolean_stash; // JSON::XS:: |
76 | static SV *json_true, *json_false; |
82 | static SV *types_true, *types_false, *sv_json; |
77 | |
83 | |
78 | enum { |
84 | enum { |
79 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
85 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
80 | INCR_M_STR, // inside string |
86 | INCR_M_STR, // inside string |
81 | INCR_M_BS, // inside backslash |
87 | INCR_M_BS, // inside backslash |
|
|
88 | INCR_M_C0, // inside comment in initial whitespace sequence |
|
|
89 | INCR_M_C1, // inside comment in other places |
82 | INCR_M_JSON // outside anything, count nesting |
90 | INCR_M_JSON // outside anything, count nesting |
83 | }; |
91 | }; |
84 | |
92 | |
85 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
93 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
86 | |
94 | |
… | |
… | |
185 | return SvUTF8 (sv) |
193 | return SvUTF8 (sv) |
186 | ? utf8_distance (offset, SvPVX (sv)) |
194 | ? utf8_distance (offset, SvPVX (sv)) |
187 | : offset - SvPVX (sv); |
195 | : offset - SvPVX (sv); |
188 | } |
196 | } |
189 | |
197 | |
|
|
198 | ///////////////////////////////////////////////////////////////////////////// |
|
|
199 | // fp hell |
|
|
200 | |
|
|
201 | // scan a group of digits, and a trailing exponent |
|
|
202 | static void |
|
|
203 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
|
|
204 | { |
|
|
205 | UV uaccum = 0; |
|
|
206 | int eaccum = 0; |
|
|
207 | |
|
|
208 | // if we recurse too deep, skip all remaining digits |
|
|
209 | // to avoid a stack overflow attack |
|
|
210 | if (expect_false (--maxdepth <= 0)) |
|
|
211 | while (((U8)*s - '0') < 10) |
|
|
212 | ++s; |
|
|
213 | |
|
|
214 | for (;;) |
|
|
215 | { |
|
|
216 | U8 dig = (U8)*s - '0'; |
|
|
217 | |
|
|
218 | if (expect_false (dig >= 10)) |
|
|
219 | { |
|
|
220 | if (dig == (U8)((U8)'.' - (U8)'0')) |
|
|
221 | { |
|
|
222 | ++s; |
|
|
223 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
|
|
224 | } |
|
|
225 | else if ((dig | ' ') == 'e' - '0') |
|
|
226 | { |
|
|
227 | int exp2 = 0; |
|
|
228 | int neg = 0; |
|
|
229 | |
|
|
230 | ++s; |
|
|
231 | |
|
|
232 | if (*s == '-') |
|
|
233 | { |
|
|
234 | ++s; |
|
|
235 | neg = 1; |
|
|
236 | } |
|
|
237 | else if (*s == '+') |
|
|
238 | ++s; |
|
|
239 | |
|
|
240 | while ((dig = (U8)*s - '0') < 10) |
|
|
241 | exp2 = exp2 * 10 + *s++ - '0'; |
|
|
242 | |
|
|
243 | *expo += neg ? -exp2 : exp2; |
|
|
244 | } |
|
|
245 | |
|
|
246 | break; |
|
|
247 | } |
|
|
248 | |
|
|
249 | ++s; |
|
|
250 | |
|
|
251 | uaccum = uaccum * 10 + dig; |
|
|
252 | ++eaccum; |
|
|
253 | |
|
|
254 | // if we have too many digits, then recurse for more |
|
|
255 | // we actually do this for rather few digits |
|
|
256 | if (uaccum >= (UV_MAX - 9) / 10) |
|
|
257 | { |
|
|
258 | if (postdp) *expo -= eaccum; |
|
|
259 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
|
|
260 | if (postdp) *expo += eaccum; |
|
|
261 | |
|
|
262 | break; |
|
|
263 | } |
|
|
264 | } |
|
|
265 | |
|
|
266 | // this relies greatly on the quality of the pow () |
|
|
267 | // implementation of the platform, but a good |
|
|
268 | // implementation is hard to beat. |
|
|
269 | // (IEEE 754 conformant ones are required to be exact) |
|
|
270 | if (postdp) *expo -= eaccum; |
|
|
271 | *accum += uaccum * Perl_pow (10., *expo); |
|
|
272 | *expo += eaccum; |
|
|
273 | } |
|
|
274 | |
|
|
275 | static NV |
|
|
276 | json_atof (const char *s) |
|
|
277 | { |
|
|
278 | NV accum = 0.; |
|
|
279 | int expo = 0; |
|
|
280 | int neg = 0; |
|
|
281 | |
|
|
282 | if (*s == '-') |
|
|
283 | { |
|
|
284 | ++s; |
|
|
285 | neg = 1; |
|
|
286 | } |
|
|
287 | |
|
|
288 | // a recursion depth of ten gives us >>500 bits |
|
|
289 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
|
|
290 | |
|
|
291 | return neg ? -accum : accum; |
|
|
292 | } |
190 | ///////////////////////////////////////////////////////////////////////////// |
293 | ///////////////////////////////////////////////////////////////////////////// |
191 | // encoder |
294 | // encoder |
192 | |
295 | |
193 | // structure used for encoding JSON |
296 | // structure used for encoding JSON |
194 | typedef struct |
297 | typedef struct |
… | |
… | |
381 | |
484 | |
382 | if (enc->indent >= enc->json.max_depth) |
485 | if (enc->indent >= enc->json.max_depth) |
383 | croak (ERR_NESTING_EXCEEDED); |
486 | croak (ERR_NESTING_EXCEEDED); |
384 | |
487 | |
385 | encode_ch (enc, '['); |
488 | encode_ch (enc, '['); |
386 | |
489 | |
387 | if (len >= 0) |
490 | if (len >= 0) |
388 | { |
491 | { |
389 | encode_nl (enc); ++enc->indent; |
492 | encode_nl (enc); ++enc->indent; |
390 | |
493 | |
391 | for (i = 0; i <= len; ++i) |
494 | for (i = 0; i <= len; ++i) |
… | |
… | |
403 | encode_comma (enc); |
506 | encode_comma (enc); |
404 | } |
507 | } |
405 | |
508 | |
406 | encode_nl (enc); --enc->indent; encode_indent (enc); |
509 | encode_nl (enc); --enc->indent; encode_indent (enc); |
407 | } |
510 | } |
408 | |
511 | |
409 | encode_ch (enc, ']'); |
512 | encode_ch (enc, ']'); |
410 | } |
513 | } |
411 | |
514 | |
412 | static void |
515 | static void |
413 | encode_hk (enc_t *enc, HE *he) |
516 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
417 | if (HeKLEN (he) == HEf_SVKEY) |
520 | if (HeKLEN (he) == HEf_SVKEY) |
418 | { |
521 | { |
419 | SV *sv = HeSVKEY (he); |
522 | SV *sv = HeSVKEY (he); |
420 | STRLEN len; |
523 | STRLEN len; |
421 | char *str; |
524 | char *str; |
422 | |
525 | |
423 | SvGETMAGIC (sv); |
526 | SvGETMAGIC (sv); |
424 | str = SvPV (sv, len); |
527 | str = SvPV (sv, len); |
425 | |
528 | |
426 | encode_str (enc, str, len, SvUTF8 (sv)); |
529 | encode_str (enc, str, len, SvUTF8 (sv)); |
427 | } |
530 | } |
… | |
… | |
493 | } |
596 | } |
494 | |
597 | |
495 | if (count) |
598 | if (count) |
496 | { |
599 | { |
497 | int i, fast = 1; |
600 | int i, fast = 1; |
498 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
601 | HE *hes_stack [STACK_HES]; |
499 | HE **hes = _alloca (count * sizeof (HE)); |
602 | HE **hes = hes_stack; |
500 | #else |
603 | |
501 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
604 | // allocate larger arrays on the heap |
502 | #endif |
605 | if (count > STACK_HES) |
|
|
606 | { |
|
|
607 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
608 | hes = (HE **)SvPVX (sv); |
|
|
609 | } |
503 | |
610 | |
504 | i = 0; |
611 | i = 0; |
505 | while ((he = hv_iternext (hv))) |
612 | while ((he = hv_iternext (hv))) |
506 | { |
613 | { |
507 | hes [i++] = he; |
614 | hes [i++] = he; |
… | |
… | |
576 | // encode objects, arrays and special \0=false and \1=true values. |
683 | // encode objects, arrays and special \0=false and \1=true values. |
577 | static void |
684 | static void |
578 | encode_rv (enc_t *enc, SV *sv) |
685 | encode_rv (enc_t *enc, SV *sv) |
579 | { |
686 | { |
580 | svtype svt; |
687 | svtype svt; |
|
|
688 | GV *method; |
581 | |
689 | |
582 | SvGETMAGIC (sv); |
690 | SvGETMAGIC (sv); |
583 | svt = SvTYPE (sv); |
691 | svt = SvTYPE (sv); |
584 | |
692 | |
585 | if (expect_false (SvOBJECT (sv))) |
693 | if (expect_false (SvOBJECT (sv))) |
586 | { |
694 | { |
587 | HV *stash = !JSON_SLOW || json_boolean_stash |
695 | HV *boolean_stash = !JSON_SLOW || types_boolean_stash |
588 | ? json_boolean_stash |
696 | ? types_boolean_stash |
589 | : gv_stashpv ("JSON::XS::Boolean", 1); |
697 | : gv_stashpv ("Types::Serialiser::Boolean", 1); |
|
|
698 | HV *stash = SvSTASH (sv); |
590 | |
699 | |
591 | if (SvSTASH (sv) == stash) |
700 | if (stash == boolean_stash) |
592 | { |
701 | { |
593 | if (SvIV (sv)) |
702 | if (SvIV (sv)) |
594 | encode_str (enc, "true", 4, 0); |
703 | encode_str (enc, "true", 4, 0); |
595 | else |
704 | else |
596 | encode_str (enc, "false", 5, 0); |
705 | encode_str (enc, "false", 5, 0); |
597 | } |
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); |
598 | else |
773 | else |
599 | { |
|
|
600 | #if 0 |
|
|
601 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
602 | { |
|
|
603 | // not yet |
|
|
604 | } |
|
|
605 | #endif |
|
|
606 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
607 | { |
|
|
608 | // we re-bless the reference to get overload and other niceties right |
|
|
609 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
610 | |
|
|
611 | if (to_json) |
|
|
612 | { |
|
|
613 | dSP; |
|
|
614 | |
|
|
615 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
616 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
617 | |
|
|
618 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
619 | PUTBACK; |
|
|
620 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
621 | SPAGAIN; |
|
|
622 | |
|
|
623 | // catch this surprisingly common error |
|
|
624 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
625 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
626 | |
|
|
627 | sv = POPs; |
|
|
628 | PUTBACK; |
|
|
629 | |
|
|
630 | encode_sv (enc, sv); |
|
|
631 | |
|
|
632 | FREETMPS; LEAVE; |
|
|
633 | } |
|
|
634 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
635 | encode_str (enc, "null", 4, 0); |
|
|
636 | else |
|
|
637 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
638 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
639 | } |
|
|
640 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
641 | encode_str (enc, "null", 4, 0); |
|
|
642 | else |
|
|
643 | 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)", |
644 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
775 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
645 | } |
|
|
646 | } |
776 | } |
647 | else if (svt == SVt_PVHV) |
777 | else if (svt == SVt_PVHV) |
648 | encode_hv (enc, (HV *)sv); |
778 | encode_hv (enc, (HV *)sv); |
649 | else if (svt == SVt_PVAV) |
779 | else if (svt == SVt_PVAV) |
650 | encode_av (enc, (AV *)sv); |
780 | encode_av (enc, (AV *)sv); |
… | |
… | |
726 | } |
856 | } |
727 | else |
857 | else |
728 | { |
858 | { |
729 | // large integer, use the (rather slow) snprintf way. |
859 | // large integer, use the (rather slow) snprintf way. |
730 | need (enc, IVUV_MAXCHARS); |
860 | need (enc, IVUV_MAXCHARS); |
731 | enc->cur += |
861 | enc->cur += |
732 | SvIsUV(sv) |
862 | SvIsUV(sv) |
733 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
863 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
734 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
864 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
735 | } |
865 | } |
736 | } |
866 | } |
737 | else if (SvROK (sv)) |
867 | else if (SvROK (sv)) |
738 | encode_rv (enc, SvRV (sv)); |
868 | encode_rv (enc, SvRV (sv)); |
739 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
869 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
740 | encode_str (enc, "null", 4, 0); |
870 | encode_str (enc, "null", 4, 0); |
741 | else |
871 | else |
742 | 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", |
743 | SvPV_nolen (sv), SvFLAGS (sv)); |
873 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
744 | } |
874 | } |
745 | |
875 | |
746 | static SV * |
876 | static SV * |
747 | encode_json (SV *scalar, JSON *json) |
877 | encode_json (SV *scalar, JSON *json) |
748 | { |
878 | { |
… | |
… | |
1117 | } |
1247 | } |
1118 | |
1248 | |
1119 | len -= *start == '-' ? 1 : 0; |
1249 | len -= *start == '-' ? 1 : 0; |
1120 | |
1250 | |
1121 | // does not fit into IV or UV, try NV |
1251 | // does not fit into IV or UV, try NV |
1122 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
1252 | if (len <= NV_DIG) |
1123 | #if defined (LDBL_DIG) |
|
|
1124 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1125 | #endif |
|
|
1126 | ) |
|
|
1127 | // fits into NV without loss of precision |
1253 | // fits into NV without loss of precision |
1128 | return newSVnv (Atof (start)); |
1254 | return newSVnv (json_atof (start)); |
1129 | |
1255 | |
1130 | // everything else fails, convert it to a string |
1256 | // everything else fails, convert it to a string |
1131 | return newSVpvn (start, dec->cur - start); |
1257 | return newSVpvn (start, dec->cur - start); |
1132 | } |
1258 | } |
1133 | |
1259 | |
1134 | // loss of precision here |
1260 | // loss of precision here |
1135 | return newSVnv (Atof (start)); |
1261 | return newSVnv (json_atof (start)); |
1136 | |
1262 | |
1137 | fail: |
1263 | fail: |
1138 | return 0; |
1264 | return 0; |
1139 | } |
1265 | } |
1140 | |
1266 | |
… | |
… | |
1164 | if (*dec->cur == ']') |
1290 | if (*dec->cur == ']') |
1165 | { |
1291 | { |
1166 | ++dec->cur; |
1292 | ++dec->cur; |
1167 | break; |
1293 | break; |
1168 | } |
1294 | } |
1169 | |
1295 | |
1170 | if (*dec->cur != ',') |
1296 | if (*dec->cur != ',') |
1171 | ERR (", or ] expected while parsing array"); |
1297 | ERR (", or ] expected while parsing array"); |
1172 | |
1298 | |
1173 | ++dec->cur; |
1299 | ++dec->cur; |
1174 | |
1300 | |
… | |
… | |
1309 | dSP; |
1435 | dSP; |
1310 | int count; |
1436 | int count; |
1311 | |
1437 | |
1312 | ENTER; SAVETMPS; PUSHMARK (SP); |
1438 | ENTER; SAVETMPS; PUSHMARK (SP); |
1313 | XPUSHs (HeVAL (he)); |
1439 | XPUSHs (HeVAL (he)); |
|
|
1440 | sv_2mortal (sv); |
1314 | |
1441 | |
1315 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1442 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1316 | |
1443 | |
1317 | if (count == 1) |
1444 | if (count == 1) |
1318 | { |
1445 | { |
1319 | sv = newSVsv (POPs); |
1446 | sv = newSVsv (POPs); |
1320 | FREETMPS; LEAVE; |
1447 | FREETMPS; LEAVE; |
1321 | return sv; |
1448 | return sv; |
1322 | } |
1449 | } |
1323 | |
1450 | |
|
|
1451 | SvREFCNT_inc (sv); |
1324 | FREETMPS; LEAVE; |
1452 | FREETMPS; LEAVE; |
1325 | } |
1453 | } |
1326 | } |
1454 | } |
1327 | |
1455 | |
1328 | if (dec->json.cb_object) |
1456 | if (dec->json.cb_object) |
… | |
… | |
1354 | DEC_DEC_DEPTH; |
1482 | DEC_DEC_DEPTH; |
1355 | return 0; |
1483 | return 0; |
1356 | } |
1484 | } |
1357 | |
1485 | |
1358 | static SV * |
1486 | static SV * |
|
|
1487 | decode_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 | |
|
|
1562 | fail: |
|
|
1563 | SvREFCNT_dec (tag); |
|
|
1564 | SvREFCNT_dec (val); |
|
|
1565 | return 0; |
|
|
1566 | } |
|
|
1567 | |
|
|
1568 | static SV * |
1359 | decode_sv (dec_t *dec) |
1569 | decode_sv (dec_t *dec) |
1360 | { |
1570 | { |
1361 | // the beauty of JSON: you need exactly one character lookahead |
1571 | // the beauty of JSON: you need exactly one character lookahead |
1362 | // to parse everything. |
1572 | // to parse everything. |
1363 | switch (*dec->cur) |
1573 | switch (*dec->cur) |
1364 | { |
1574 | { |
1365 | case '"': ++dec->cur; return decode_str (dec); |
1575 | case '"': ++dec->cur; return decode_str (dec); |
1366 | case '[': ++dec->cur; return decode_av (dec); |
1576 | case '[': ++dec->cur; return decode_av (dec); |
1367 | case '{': ++dec->cur; return decode_hv (dec); |
1577 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1578 | case '(': return decode_tag (dec); |
1368 | |
1579 | |
1369 | case '-': |
1580 | case '-': |
1370 | case '0': case '1': case '2': case '3': case '4': |
1581 | case '0': case '1': case '2': case '3': case '4': |
1371 | case '5': case '6': case '7': case '8': case '9': |
1582 | case '5': case '6': case '7': case '8': case '9': |
1372 | return decode_num (dec); |
1583 | return decode_num (dec); |
… | |
… | |
1374 | case 't': |
1585 | case 't': |
1375 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1586 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1376 | { |
1587 | { |
1377 | dec->cur += 4; |
1588 | dec->cur += 4; |
1378 | #if JSON_SLOW |
1589 | #if JSON_SLOW |
1379 | json_true = get_bool ("JSON::XS::true"); |
1590 | types_true = get_bool ("Types::Serialiser::true"); |
1380 | #endif |
1591 | #endif |
1381 | return newSVsv (json_true); |
1592 | return newSVsv (types_true); |
1382 | } |
1593 | } |
1383 | else |
1594 | else |
1384 | ERR ("'true' expected"); |
1595 | ERR ("'true' expected"); |
1385 | |
1596 | |
1386 | break; |
1597 | break; |
… | |
… | |
1388 | case 'f': |
1599 | case 'f': |
1389 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1600 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1390 | { |
1601 | { |
1391 | dec->cur += 5; |
1602 | dec->cur += 5; |
1392 | #if JSON_SLOW |
1603 | #if JSON_SLOW |
1393 | json_false = get_bool ("JSON::XS::false"); |
1604 | types_false = get_bool ("Types::Serialiser::false"); |
1394 | #endif |
1605 | #endif |
1395 | return newSVsv (json_false); |
1606 | return newSVsv (types_false); |
1396 | } |
1607 | } |
1397 | else |
1608 | else |
1398 | ERR ("'false' expected"); |
1609 | ERR ("'false' expected"); |
1399 | |
1610 | |
1400 | break; |
1611 | break; |
… | |
… | |
1409 | ERR ("'null' expected"); |
1620 | ERR ("'null' expected"); |
1410 | |
1621 | |
1411 | break; |
1622 | break; |
1412 | |
1623 | |
1413 | default: |
1624 | default: |
1414 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1625 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1415 | break; |
1626 | break; |
1416 | } |
1627 | } |
1417 | |
1628 | |
1418 | fail: |
1629 | fail: |
1419 | return 0; |
1630 | return 0; |
… | |
… | |
1424 | { |
1635 | { |
1425 | dec_t dec; |
1636 | dec_t dec; |
1426 | SV *sv; |
1637 | SV *sv; |
1427 | |
1638 | |
1428 | /* work around bugs in 5.10 where manipulating magic values |
1639 | /* work around bugs in 5.10 where manipulating magic values |
1429 | * 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). |
1430 | */ |
1643 | */ |
1431 | /*SvGETMAGIC (string);*/ |
1644 | /*SvGETMAGIC (string);*/ |
1432 | if (SvMAGICAL (string)) |
1645 | if (SvMAGICAL (string) || !SvPOK (string)) |
1433 | string = sv_2mortal (newSVsv (string)); |
1646 | string = sv_2mortal (newSVsv (string)); |
1434 | |
1647 | |
1435 | SvUPGRADE (string, SVt_PV); |
1648 | SvUPGRADE (string, SVt_PV); |
1436 | |
1649 | |
1437 | /* 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 |
… | |
… | |
1454 | if (offset > json->max_size && json->max_size) |
1667 | if (offset > json->max_size && json->max_size) |
1455 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1668 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1456 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1669 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1457 | } |
1670 | } |
1458 | |
1671 | |
1459 | if (json->flags & F_UTF8) |
1672 | if (DECODE_WANTS_OCTETS (json)) |
1460 | sv_utf8_downgrade (string, 0); |
1673 | sv_utf8_downgrade (string, 0); |
1461 | else |
1674 | else |
1462 | sv_utf8_upgrade (string); |
1675 | sv_utf8_upgrade (string); |
1463 | |
1676 | |
1464 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1677 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
… | |
… | |
1506 | 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); |
1507 | LEAVE; |
1720 | LEAVE; |
1508 | |
1721 | |
1509 | croak ("%s, at character offset %d (before \"%s\")", |
1722 | croak ("%s, at character offset %d (before \"%s\")", |
1510 | dec.err, |
1723 | dec.err, |
1511 | ptr_to_index (string, dec.cur), |
1724 | (int)ptr_to_index (string, dec.cur), |
1512 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1725 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1513 | } |
1726 | } |
1514 | |
1727 | |
1515 | sv = sv_2mortal (sv); |
1728 | sv = sv_2mortal (sv); |
1516 | |
1729 | |
… | |
… | |
1525 | |
1738 | |
1526 | static void |
1739 | static void |
1527 | incr_parse (JSON *self) |
1740 | incr_parse (JSON *self) |
1528 | { |
1741 | { |
1529 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
1742 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
|
|
1743 | |
|
|
1744 | // the state machine here is a bit convoluted and could be simplified a lot |
|
|
1745 | // but this would make it slower, so... |
1530 | |
1746 | |
1531 | for (;;) |
1747 | for (;;) |
1532 | { |
1748 | { |
1533 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
1749 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
1534 | switch (self->incr_mode) |
1750 | switch (self->incr_mode) |
1535 | { |
1751 | { |
1536 | // only used for intiial whitespace skipping |
1752 | // only used for initial whitespace skipping |
1537 | case INCR_M_WS: |
1753 | case INCR_M_WS: |
1538 | for (;;) |
1754 | for (;;) |
1539 | { |
1755 | { |
1540 | if (*p > 0x20) |
1756 | if (*p > 0x20) |
1541 | { |
1757 | { |
|
|
1758 | if (*p == '#') |
|
|
1759 | { |
|
|
1760 | self->incr_mode = INCR_M_C0; |
|
|
1761 | goto incr_m_c; |
|
|
1762 | } |
|
|
1763 | else |
|
|
1764 | { |
1542 | self->incr_mode = INCR_M_JSON; |
1765 | self->incr_mode = INCR_M_JSON; |
1543 | goto incr_m_json; |
1766 | goto incr_m_json; |
|
|
1767 | } |
1544 | } |
1768 | } |
1545 | else if (!*p) |
1769 | else if (!*p) |
1546 | goto interrupt; |
1770 | goto interrupt; |
1547 | |
1771 | |
1548 | ++p; |
1772 | ++p; |
… | |
… | |
1554 | goto interrupt; |
1778 | goto interrupt; |
1555 | |
1779 | |
1556 | ++p; |
1780 | ++p; |
1557 | self->incr_mode = INCR_M_STR; |
1781 | self->incr_mode = INCR_M_STR; |
1558 | goto incr_m_str; |
1782 | goto incr_m_str; |
|
|
1783 | |
|
|
1784 | // inside #-style comments |
|
|
1785 | case INCR_M_C0: |
|
|
1786 | case INCR_M_C1: |
|
|
1787 | incr_m_c: |
|
|
1788 | for (;;) |
|
|
1789 | { |
|
|
1790 | if (*p == '\n') |
|
|
1791 | { |
|
|
1792 | self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON; |
|
|
1793 | break; |
|
|
1794 | } |
|
|
1795 | else if (!*p) |
|
|
1796 | goto interrupt; |
|
|
1797 | |
|
|
1798 | ++p; |
|
|
1799 | } |
|
|
1800 | |
|
|
1801 | break; |
1559 | |
1802 | |
1560 | // inside a string |
1803 | // inside a string |
1561 | case INCR_M_STR: |
1804 | case INCR_M_STR: |
1562 | incr_m_str: |
1805 | incr_m_str: |
1563 | for (;;) |
1806 | for (;;) |
… | |
… | |
1614 | self->incr_mode = INCR_M_STR; |
1857 | self->incr_mode = INCR_M_STR; |
1615 | goto incr_m_str; |
1858 | goto incr_m_str; |
1616 | |
1859 | |
1617 | case '[': |
1860 | case '[': |
1618 | case '{': |
1861 | case '{': |
|
|
1862 | case '(': |
1619 | if (++self->incr_nest > self->max_depth) |
1863 | if (++self->incr_nest > self->max_depth) |
1620 | croak (ERR_NESTING_EXCEEDED); |
1864 | croak (ERR_NESTING_EXCEEDED); |
1621 | break; |
1865 | break; |
1622 | |
1866 | |
1623 | case ']': |
1867 | case ']': |
1624 | case '}': |
1868 | case '}': |
1625 | if (--self->incr_nest <= 0) |
1869 | if (--self->incr_nest <= 0) |
1626 | goto interrupt; |
1870 | goto interrupt; |
|
|
1871 | break; |
|
|
1872 | |
|
|
1873 | case ')': |
|
|
1874 | --self->incr_nest; |
|
|
1875 | break; |
|
|
1876 | |
|
|
1877 | case '#': |
|
|
1878 | self->incr_mode = INCR_M_C1; |
|
|
1879 | goto incr_m_c; |
1627 | } |
1880 | } |
1628 | } |
1881 | } |
1629 | } |
1882 | } |
1630 | |
1883 | |
1631 | modechange: |
1884 | modechange: |
1632 | ; |
1885 | ; |
1633 | } |
1886 | } |
1634 | |
1887 | |
1635 | interrupt: |
1888 | interrupt: |
1636 | self->incr_pos = p - SvPVX (self->incr_text); |
1889 | self->incr_pos = p - SvPVX (self->incr_text); |
|
|
1890 | //printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D |
1637 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1891 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1638 | } |
1892 | } |
1639 | |
1893 | |
1640 | ///////////////////////////////////////////////////////////////////////////// |
1894 | ///////////////////////////////////////////////////////////////////////////// |
1641 | // XS interface functions |
1895 | // XS interface functions |
… | |
… | |
1651 | i >= '0' && i <= '9' ? i - '0' |
1905 | i >= '0' && i <= '9' ? i - '0' |
1652 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1906 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1653 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1907 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1654 | : -1; |
1908 | : -1; |
1655 | |
1909 | |
1656 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1910 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1657 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1911 | types_boolean_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1658 | |
1912 | |
1659 | json_true = get_bool ("JSON::XS::true"); |
1913 | types_true = get_bool ("Types::Serialiser::true"); |
1660 | 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); |
1661 | |
1918 | |
1662 | 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 */ |
1663 | } |
1920 | } |
1664 | |
1921 | |
1665 | PROTOTYPES: DISABLE |
1922 | PROTOTYPES: DISABLE |
1666 | |
1923 | |
1667 | void CLONE (...) |
1924 | void CLONE (...) |
1668 | CODE: |
1925 | CODE: |
1669 | json_stash = 0; |
1926 | json_stash = 0; |
1670 | json_boolean_stash = 0; |
1927 | types_boolean_stash = 0; |
1671 | |
1928 | |
1672 | void new (char *klass) |
1929 | void new (char *klass) |
1673 | PPCODE: |
1930 | PPCODE: |
1674 | { |
1931 | { |
1675 | SV *pv = NEWSV (0, sizeof (JSON)); |
1932 | SV *pv = NEWSV (0, sizeof (JSON)); |
1676 | SvPOK_only (pv); |
1933 | SvPOK_only (pv); |
1677 | json_init ((JSON *)SvPVX (pv)); |
1934 | json_init ((JSON *)SvPVX (pv)); |
1678 | XPUSHs (sv_2mortal (sv_bless ( |
1935 | XPUSHs (sv_2mortal (sv_bless ( |
1679 | newRV_noinc (pv), |
1936 | newRV_noinc (pv), |
1680 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1937 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
… | |
… | |
1695 | shrink = F_SHRINK |
1952 | shrink = F_SHRINK |
1696 | allow_blessed = F_ALLOW_BLESSED |
1953 | allow_blessed = F_ALLOW_BLESSED |
1697 | convert_blessed = F_CONV_BLESSED |
1954 | convert_blessed = F_CONV_BLESSED |
1698 | relaxed = F_RELAXED |
1955 | relaxed = F_RELAXED |
1699 | allow_unknown = F_ALLOW_UNKNOWN |
1956 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
1957 | allow_tags = F_ALLOW_TAGS |
1700 | PPCODE: |
1958 | PPCODE: |
1701 | { |
1959 | { |
1702 | if (enable) |
1960 | if (enable) |
1703 | self->flags |= ix; |
1961 | self->flags |= ix; |
1704 | else |
1962 | else |
… | |
… | |
1720 | get_shrink = F_SHRINK |
1978 | get_shrink = F_SHRINK |
1721 | get_allow_blessed = F_ALLOW_BLESSED |
1979 | get_allow_blessed = F_ALLOW_BLESSED |
1722 | get_convert_blessed = F_CONV_BLESSED |
1980 | get_convert_blessed = F_CONV_BLESSED |
1723 | get_relaxed = F_RELAXED |
1981 | get_relaxed = F_RELAXED |
1724 | get_allow_unknown = F_ALLOW_UNKNOWN |
1982 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
1983 | get_allow_tags = F_ALLOW_TAGS |
1725 | PPCODE: |
1984 | PPCODE: |
1726 | XPUSHs (boolSV (self->flags & ix)); |
1985 | XPUSHs (boolSV (self->flags & ix)); |
1727 | |
1986 | |
1728 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1987 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1729 | PPCODE: |
1988 | PPCODE: |
… | |
… | |
1757 | } |
2016 | } |
1758 | |
2017 | |
1759 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2018 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1760 | PPCODE: |
2019 | PPCODE: |
1761 | { |
2020 | { |
1762 | if (!self->cb_sk_object) |
2021 | if (!self->cb_sk_object) |
1763 | self->cb_sk_object = newHV (); |
2022 | self->cb_sk_object = newHV (); |
1764 | |
2023 | |
1765 | if (SvOK (cb)) |
2024 | if (SvOK (cb)) |
1766 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2025 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1767 | else |
2026 | else |
… | |
… | |
1778 | XPUSHs (ST (0)); |
2037 | XPUSHs (ST (0)); |
1779 | } |
2038 | } |
1780 | |
2039 | |
1781 | void encode (JSON *self, SV *scalar) |
2040 | void encode (JSON *self, SV *scalar) |
1782 | PPCODE: |
2041 | PPCODE: |
1783 | XPUSHs (encode_json (scalar, self)); |
2042 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2043 | XPUSHs (scalar); |
1784 | |
2044 | |
1785 | void decode (JSON *self, SV *jsonstr) |
2045 | void decode (JSON *self, SV *jsonstr) |
1786 | PPCODE: |
2046 | PPCODE: |
1787 | XPUSHs (decode_json (jsonstr, self, 0)); |
2047 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2048 | XPUSHs (jsonstr); |
1788 | |
2049 | |
1789 | void decode_prefix (JSON *self, SV *jsonstr) |
2050 | void decode_prefix (JSON *self, SV *jsonstr) |
1790 | PPCODE: |
2051 | PPCODE: |
1791 | { |
2052 | { |
|
|
2053 | SV *sv; |
1792 | char *offset; |
2054 | char *offset; |
|
|
2055 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1793 | EXTEND (SP, 2); |
2056 | EXTEND (SP, 2); |
1794 | PUSHs (decode_json (jsonstr, self, &offset)); |
2057 | PUSHs (sv); |
1795 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2058 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
1796 | } |
2059 | } |
1797 | |
2060 | |
1798 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2061 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1799 | PPCODE: |
2062 | PPCODE: |
1800 | { |
2063 | { |
1801 | if (!self->incr_text) |
2064 | if (!self->incr_text) |
1802 | self->incr_text = newSVpvn ("", 0); |
2065 | self->incr_text = newSVpvn ("", 0); |
|
|
2066 | |
|
|
2067 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2068 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2069 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2070 | { |
|
|
2071 | if (self->incr_pos) |
|
|
2072 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2073 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2074 | |
|
|
2075 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2076 | } |
|
|
2077 | else |
|
|
2078 | { |
|
|
2079 | sv_utf8_upgrade (self->incr_text); |
|
|
2080 | |
|
|
2081 | if (self->incr_pos) |
|
|
2082 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2083 | - (U8 *)SvPVX (self->incr_text); |
|
|
2084 | } |
1803 | |
2085 | |
1804 | // append data, if any |
2086 | // append data, if any |
1805 | if (jsonstr) |
2087 | if (jsonstr) |
1806 | { |
2088 | { |
|
|
2089 | /* make sure both strings have same encoding */ |
|
|
2090 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
1807 | if (SvUTF8 (jsonstr)) |
2091 | if (SvUTF8 (jsonstr)) |
|
|
2092 | sv_utf8_downgrade (jsonstr, 0); |
1808 | { |
2093 | else |
1809 | if (!SvUTF8 (self->incr_text)) |
|
|
1810 | { |
|
|
1811 | /* utf-8-ness differs, need to upgrade */ |
|
|
1812 | sv_utf8_upgrade (self->incr_text); |
|
|
1813 | |
|
|
1814 | if (self->incr_pos) |
|
|
1815 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1816 | - (U8 *)SvPVX (self->incr_text); |
|
|
1817 | } |
|
|
1818 | } |
|
|
1819 | else if (SvUTF8 (self->incr_text)) |
|
|
1820 | sv_utf8_upgrade (jsonstr); |
2094 | sv_utf8_upgrade (jsonstr); |
1821 | |
2095 | |
|
|
2096 | /* and then just blindly append */ |
1822 | { |
2097 | { |
1823 | STRLEN len; |
2098 | STRLEN len; |
1824 | const char *str = SvPV (jsonstr, len); |
2099 | const char *str = SvPV (jsonstr, len); |
1825 | STRLEN cur = SvCUR (self->incr_text); |
2100 | STRLEN cur = SvCUR (self->incr_text); |
1826 | |
2101 | |
… | |
… | |
1834 | } |
2109 | } |
1835 | |
2110 | |
1836 | if (GIMME_V != G_VOID) |
2111 | if (GIMME_V != G_VOID) |
1837 | do |
2112 | do |
1838 | { |
2113 | { |
|
|
2114 | SV *sv; |
1839 | char *offset; |
2115 | char *offset; |
1840 | |
2116 | |
1841 | if (!INCR_DONE (self)) |
2117 | if (!INCR_DONE (self)) |
1842 | { |
2118 | { |
1843 | incr_parse (self); |
2119 | incr_parse (self); |
… | |
… | |
1845 | if (self->incr_pos > self->max_size && self->max_size) |
2121 | if (self->incr_pos > self->max_size && self->max_size) |
1846 | 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", |
1847 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2123 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1848 | |
2124 | |
1849 | 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 | |
1850 | break; |
2134 | break; |
|
|
2135 | } |
1851 | } |
2136 | } |
1852 | |
2137 | |
1853 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2138 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2139 | XPUSHs (sv); |
1854 | |
2140 | |
1855 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2141 | self->incr_pos -= offset - SvPVX (self->incr_text); |
1856 | self->incr_nest = 0; |
2142 | self->incr_nest = 0; |
1857 | self->incr_mode = 0; |
2143 | self->incr_mode = 0; |
1858 | |
2144 | |
… | |
… | |
1902 | SvREFCNT_dec (self->incr_text); |
2188 | SvREFCNT_dec (self->incr_text); |
1903 | |
2189 | |
1904 | PROTOTYPES: ENABLE |
2190 | PROTOTYPES: ENABLE |
1905 | |
2191 | |
1906 | void encode_json (SV *scalar) |
2192 | void encode_json (SV *scalar) |
1907 | ALIAS: |
|
|
1908 | to_json_ = 0 |
|
|
1909 | encode_json = F_UTF8 |
|
|
1910 | PPCODE: |
2193 | PPCODE: |
1911 | { |
2194 | { |
1912 | JSON json; |
2195 | JSON json; |
1913 | json_init (&json); |
2196 | json_init (&json); |
1914 | json.flags |= ix; |
2197 | json.flags |= F_UTF8; |
1915 | XPUSHs (encode_json (scalar, &json)); |
2198 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2199 | XPUSHs (scalar); |
1916 | } |
2200 | } |
1917 | |
2201 | |
1918 | void decode_json (SV *jsonstr) |
2202 | void decode_json (SV *jsonstr) |
1919 | ALIAS: |
|
|
1920 | from_json_ = 0 |
|
|
1921 | decode_json = F_UTF8 |
|
|
1922 | PPCODE: |
2203 | PPCODE: |
1923 | { |
2204 | { |
1924 | JSON json; |
2205 | JSON json; |
1925 | json_init (&json); |
2206 | json_init (&json); |
1926 | json.flags |= ix; |
2207 | json.flags |= F_UTF8; |
1927 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2208 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2209 | XPUSHs (jsonstr); |
1928 | } |
2210 | } |
1929 | |
2211 | |
1930 | |
|
|