… | |
… | |
15 | |
15 | |
16 | // some old perls do not have this, try to make it work, no |
16 | // some old perls do not have this, try to make it work, no |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | #ifndef UTF8_MAXBYTES |
18 | #ifndef UTF8_MAXBYTES |
19 | # define UTF8_MAXBYTES 13 |
19 | # define UTF8_MAXBYTES 13 |
|
|
20 | #endif |
|
|
21 | |
|
|
22 | // compatibility with perl <5.18 |
|
|
23 | #ifndef HvNAMELEN_get |
|
|
24 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
|
|
25 | #endif |
|
|
26 | #ifndef HvNAMELEN |
|
|
27 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
|
|
28 | #endif |
|
|
29 | #ifndef HvNAMEUTF8 |
|
|
30 | # define HvNAMEUTF8(hv) 0 |
20 | #endif |
31 | #endif |
21 | |
32 | |
22 | // three extra for rounding, sign, and end of string |
33 | // three extra for rounding, sign, and end of string |
23 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
34 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
24 | |
35 | |
… | |
… | |
33 | #define F_SHRINK 0x00000200UL |
44 | #define F_SHRINK 0x00000200UL |
34 | #define F_ALLOW_BLESSED 0x00000400UL |
45 | #define F_ALLOW_BLESSED 0x00000400UL |
35 | #define F_CONV_BLESSED 0x00000800UL |
46 | #define F_CONV_BLESSED 0x00000800UL |
36 | #define F_RELAXED 0x00001000UL |
47 | #define F_RELAXED 0x00001000UL |
37 | #define F_ALLOW_UNKNOWN 0x00002000UL |
48 | #define F_ALLOW_UNKNOWN 0x00002000UL |
|
|
49 | #define F_ALLOW_TAGS 0x00004000UL |
38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
50 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
39 | |
51 | |
40 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
52 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
41 | |
53 | |
42 | #define INIT_SIZE 32 // initial scalar size to be allocated |
54 | #define INIT_SIZE 32 // initial scalar size to be allocated |
43 | #define INDENT_STEP 3 // spaces per indentation level |
55 | #define INDENT_STEP 3 // spaces per indentation level |
44 | |
56 | |
45 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
57 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
|
|
58 | |
|
|
59 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
46 | |
60 | |
47 | #define SB do { |
61 | #define SB do { |
48 | #define SE } while (0) |
62 | #define SE } while (0) |
49 | |
63 | |
50 | #if __GNUC__ >= 3 |
64 | #if __GNUC__ >= 3 |
… | |
… | |
65 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
79 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
66 | |
80 | |
67 | #ifdef USE_ITHREADS |
81 | #ifdef USE_ITHREADS |
68 | # define JSON_SLOW 1 |
82 | # define JSON_SLOW 1 |
69 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
83 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
|
|
84 | # define BOOL_STASH (bool_stash ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1)) |
70 | #else |
85 | #else |
71 | # define JSON_SLOW 0 |
86 | # define JSON_SLOW 0 |
72 | # define JSON_STASH json_stash |
87 | # define JSON_STASH json_stash |
|
|
88 | # define BOOL_STASH bool_stash |
73 | #endif |
89 | #endif |
74 | |
90 | |
75 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
91 | // the amount of HEs to allocate on the stack, when sorting keys |
76 | static SV *json_true, *json_false; |
92 | #define STACK_HES 64 |
|
|
93 | |
|
|
94 | static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean:: |
|
|
95 | static SV *bool_true, *bool_false, *sv_json; |
77 | |
96 | |
78 | enum { |
97 | enum { |
79 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
98 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
80 | INCR_M_STR, // inside string |
99 | INCR_M_STR, // inside string |
81 | INCR_M_BS, // inside backslash |
100 | INCR_M_BS, // inside backslash |
… | |
… | |
185 | ptr_to_index (SV *sv, char *offset) |
204 | ptr_to_index (SV *sv, char *offset) |
186 | { |
205 | { |
187 | return SvUTF8 (sv) |
206 | return SvUTF8 (sv) |
188 | ? utf8_distance (offset, SvPVX (sv)) |
207 | ? utf8_distance (offset, SvPVX (sv)) |
189 | : offset - SvPVX (sv); |
208 | : offset - SvPVX (sv); |
|
|
209 | } |
|
|
210 | |
|
|
211 | ///////////////////////////////////////////////////////////////////////////// |
|
|
212 | // fp hell |
|
|
213 | |
|
|
214 | // scan a group of digits, and a trailing exponent |
|
|
215 | static void |
|
|
216 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
|
|
217 | { |
|
|
218 | UV uaccum = 0; |
|
|
219 | int eaccum = 0; |
|
|
220 | |
|
|
221 | // if we recurse too deep, skip all remaining digits |
|
|
222 | // to avoid a stack overflow attack |
|
|
223 | if (expect_false (--maxdepth <= 0)) |
|
|
224 | while (((U8)*s - '0') < 10) |
|
|
225 | ++s; |
|
|
226 | |
|
|
227 | for (;;) |
|
|
228 | { |
|
|
229 | U8 dig = (U8)*s - '0'; |
|
|
230 | |
|
|
231 | if (expect_false (dig >= 10)) |
|
|
232 | { |
|
|
233 | if (dig == (U8)((U8)'.' - (U8)'0')) |
|
|
234 | { |
|
|
235 | ++s; |
|
|
236 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
|
|
237 | } |
|
|
238 | else if ((dig | ' ') == 'e' - '0') |
|
|
239 | { |
|
|
240 | int exp2 = 0; |
|
|
241 | int neg = 0; |
|
|
242 | |
|
|
243 | ++s; |
|
|
244 | |
|
|
245 | if (*s == '-') |
|
|
246 | { |
|
|
247 | ++s; |
|
|
248 | neg = 1; |
|
|
249 | } |
|
|
250 | else if (*s == '+') |
|
|
251 | ++s; |
|
|
252 | |
|
|
253 | while ((dig = (U8)*s - '0') < 10) |
|
|
254 | exp2 = exp2 * 10 + *s++ - '0'; |
|
|
255 | |
|
|
256 | *expo += neg ? -exp2 : exp2; |
|
|
257 | } |
|
|
258 | |
|
|
259 | break; |
|
|
260 | } |
|
|
261 | |
|
|
262 | ++s; |
|
|
263 | |
|
|
264 | uaccum = uaccum * 10 + dig; |
|
|
265 | ++eaccum; |
|
|
266 | |
|
|
267 | // if we have too many digits, then recurse for more |
|
|
268 | // we actually do this for rather few digits |
|
|
269 | if (uaccum >= (UV_MAX - 9) / 10) |
|
|
270 | { |
|
|
271 | if (postdp) *expo -= eaccum; |
|
|
272 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
|
|
273 | if (postdp) *expo += eaccum; |
|
|
274 | |
|
|
275 | break; |
|
|
276 | } |
|
|
277 | } |
|
|
278 | |
|
|
279 | // this relies greatly on the quality of the pow () |
|
|
280 | // implementation of the platform, but a good |
|
|
281 | // implementation is hard to beat. |
|
|
282 | // (IEEE 754 conformant ones are required to be exact) |
|
|
283 | if (postdp) *expo -= eaccum; |
|
|
284 | *accum += uaccum * Perl_pow (10., *expo); |
|
|
285 | *expo += eaccum; |
|
|
286 | } |
|
|
287 | |
|
|
288 | static NV |
|
|
289 | json_atof (const char *s) |
|
|
290 | { |
|
|
291 | NV accum = 0.; |
|
|
292 | int expo = 0; |
|
|
293 | int neg = 0; |
|
|
294 | |
|
|
295 | if (*s == '-') |
|
|
296 | { |
|
|
297 | ++s; |
|
|
298 | neg = 1; |
|
|
299 | } |
|
|
300 | |
|
|
301 | // a recursion depth of ten gives us >>500 bits |
|
|
302 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
|
|
303 | |
|
|
304 | return neg ? -accum : accum; |
|
|
305 | } |
|
|
306 | |
|
|
307 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
|
|
308 | static int |
|
|
309 | ref_bool_type (SV *sv) |
|
|
310 | { |
|
|
311 | svtype svt = SvTYPE (sv); |
|
|
312 | |
|
|
313 | if (svt < SVt_PVAV) |
|
|
314 | { |
|
|
315 | STRLEN len = 0; |
|
|
316 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
317 | |
|
|
318 | if (len == 1) |
|
|
319 | if (*pv == '1') |
|
|
320 | return 1; |
|
|
321 | else if (*pv == '0') |
|
|
322 | return 0; |
|
|
323 | } |
|
|
324 | |
|
|
325 | return -1; |
|
|
326 | } |
|
|
327 | |
|
|
328 | // returns whether scalar is not a reference in the sense of allow_nonref |
|
|
329 | static int |
|
|
330 | json_nonref (SV *scalar) |
|
|
331 | { |
|
|
332 | if (!SvROK (scalar)) |
|
|
333 | return 1; |
|
|
334 | |
|
|
335 | scalar = SvRV (scalar); |
|
|
336 | |
|
|
337 | if (SvTYPE (scalar) >= SVt_PVMG) |
|
|
338 | { |
|
|
339 | if (SvSTASH (scalar) == bool_stash) |
|
|
340 | return 1; |
|
|
341 | |
|
|
342 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
|
|
343 | return 1; |
|
|
344 | } |
|
|
345 | |
|
|
346 | return 0; |
190 | } |
347 | } |
191 | |
348 | |
192 | ///////////////////////////////////////////////////////////////////////////// |
349 | ///////////////////////////////////////////////////////////////////////////// |
193 | // encoder |
350 | // encoder |
194 | |
351 | |
… | |
… | |
383 | |
540 | |
384 | if (enc->indent >= enc->json.max_depth) |
541 | if (enc->indent >= enc->json.max_depth) |
385 | croak (ERR_NESTING_EXCEEDED); |
542 | croak (ERR_NESTING_EXCEEDED); |
386 | |
543 | |
387 | encode_ch (enc, '['); |
544 | encode_ch (enc, '['); |
388 | |
545 | |
389 | if (len >= 0) |
546 | if (len >= 0) |
390 | { |
547 | { |
391 | encode_nl (enc); ++enc->indent; |
548 | encode_nl (enc); ++enc->indent; |
392 | |
549 | |
393 | for (i = 0; i <= len; ++i) |
550 | for (i = 0; i <= len; ++i) |
… | |
… | |
405 | encode_comma (enc); |
562 | encode_comma (enc); |
406 | } |
563 | } |
407 | |
564 | |
408 | encode_nl (enc); --enc->indent; encode_indent (enc); |
565 | encode_nl (enc); --enc->indent; encode_indent (enc); |
409 | } |
566 | } |
410 | |
567 | |
411 | encode_ch (enc, ']'); |
568 | encode_ch (enc, ']'); |
412 | } |
569 | } |
413 | |
570 | |
414 | static void |
571 | static void |
415 | encode_hk (enc_t *enc, HE *he) |
572 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
419 | if (HeKLEN (he) == HEf_SVKEY) |
576 | if (HeKLEN (he) == HEf_SVKEY) |
420 | { |
577 | { |
421 | SV *sv = HeSVKEY (he); |
578 | SV *sv = HeSVKEY (he); |
422 | STRLEN len; |
579 | STRLEN len; |
423 | char *str; |
580 | char *str; |
424 | |
581 | |
425 | SvGETMAGIC (sv); |
582 | SvGETMAGIC (sv); |
426 | str = SvPV (sv, len); |
583 | str = SvPV (sv, len); |
427 | |
584 | |
428 | encode_str (enc, str, len, SvUTF8 (sv)); |
585 | encode_str (enc, str, len, SvUTF8 (sv)); |
429 | } |
586 | } |
… | |
… | |
495 | } |
652 | } |
496 | |
653 | |
497 | if (count) |
654 | if (count) |
498 | { |
655 | { |
499 | int i, fast = 1; |
656 | int i, fast = 1; |
500 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
657 | HE *hes_stack [STACK_HES]; |
501 | HE **hes = _alloca (count * sizeof (HE)); |
658 | HE **hes = hes_stack; |
502 | #else |
659 | |
503 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
660 | // allocate larger arrays on the heap |
504 | #endif |
661 | if (count > STACK_HES) |
|
|
662 | { |
|
|
663 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
664 | hes = (HE **)SvPVX (sv); |
|
|
665 | } |
505 | |
666 | |
506 | i = 0; |
667 | i = 0; |
507 | while ((he = hv_iternext (hv))) |
668 | while ((he = hv_iternext (hv))) |
508 | { |
669 | { |
509 | hes [i++] = he; |
670 | hes [i++] = he; |
… | |
… | |
578 | // encode objects, arrays and special \0=false and \1=true values. |
739 | // encode objects, arrays and special \0=false and \1=true values. |
579 | static void |
740 | static void |
580 | encode_rv (enc_t *enc, SV *sv) |
741 | encode_rv (enc_t *enc, SV *sv) |
581 | { |
742 | { |
582 | svtype svt; |
743 | svtype svt; |
|
|
744 | GV *method; |
583 | |
745 | |
584 | SvGETMAGIC (sv); |
746 | SvGETMAGIC (sv); |
585 | svt = SvTYPE (sv); |
747 | svt = SvTYPE (sv); |
586 | |
748 | |
587 | if (expect_false (SvOBJECT (sv))) |
749 | if (expect_false (SvOBJECT (sv))) |
588 | { |
750 | { |
589 | HV *stash = !JSON_SLOW || json_boolean_stash |
751 | HV *stash = SvSTASH (sv); |
590 | ? json_boolean_stash |
|
|
591 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
592 | |
752 | |
593 | if (SvSTASH (sv) == stash) |
753 | if (stash == bool_stash) |
594 | { |
754 | { |
595 | if (SvIV (sv)) |
755 | if (SvIV (sv)) |
596 | encode_str (enc, "true", 4, 0); |
756 | encode_str (enc, "true", 4, 0); |
597 | else |
757 | else |
598 | encode_str (enc, "false", 5, 0); |
758 | encode_str (enc, "false", 5, 0); |
599 | } |
759 | } |
|
|
760 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
761 | { |
|
|
762 | int count; |
|
|
763 | dSP; |
|
|
764 | |
|
|
765 | ENTER; SAVETMPS; |
|
|
766 | SAVESTACK_POS (); |
|
|
767 | PUSHMARK (SP); |
|
|
768 | EXTEND (SP, 2); |
|
|
769 | // we re-bless the reference to get overload and other niceties right |
|
|
770 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
771 | PUSHs (sv_json); |
|
|
772 | |
|
|
773 | PUTBACK; |
|
|
774 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
775 | SPAGAIN; |
|
|
776 | |
|
|
777 | // catch this surprisingly common error |
|
|
778 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
779 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
780 | |
|
|
781 | encode_ch (enc, '('); |
|
|
782 | encode_ch (enc, '"'); |
|
|
783 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
784 | encode_ch (enc, '"'); |
|
|
785 | encode_ch (enc, ')'); |
|
|
786 | encode_ch (enc, '['); |
|
|
787 | |
|
|
788 | while (count) |
|
|
789 | { |
|
|
790 | encode_sv (enc, SP[1 - count--]); |
|
|
791 | |
|
|
792 | if (count) |
|
|
793 | encode_ch (enc, ','); |
|
|
794 | } |
|
|
795 | |
|
|
796 | encode_ch (enc, ']'); |
|
|
797 | |
|
|
798 | FREETMPS; LEAVE; |
|
|
799 | } |
|
|
800 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
801 | { |
|
|
802 | dSP; |
|
|
803 | |
|
|
804 | ENTER; SAVETMPS; |
|
|
805 | PUSHMARK (SP); |
|
|
806 | // we re-bless the reference to get overload and other niceties right |
|
|
807 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
808 | |
|
|
809 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
810 | PUTBACK; |
|
|
811 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
812 | SPAGAIN; |
|
|
813 | |
|
|
814 | // catch this surprisingly common error |
|
|
815 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
816 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
817 | |
|
|
818 | sv = POPs; |
|
|
819 | PUTBACK; |
|
|
820 | |
|
|
821 | encode_sv (enc, sv); |
|
|
822 | |
|
|
823 | FREETMPS; LEAVE; |
|
|
824 | } |
|
|
825 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
826 | encode_str (enc, "null", 4, 0); |
600 | else |
827 | else |
601 | { |
|
|
602 | #if 0 |
|
|
603 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
604 | { |
|
|
605 | // not yet |
|
|
606 | } |
|
|
607 | #endif |
|
|
608 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
609 | { |
|
|
610 | // we re-bless the reference to get overload and other niceties right |
|
|
611 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
612 | |
|
|
613 | if (to_json) |
|
|
614 | { |
|
|
615 | dSP; |
|
|
616 | |
|
|
617 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
618 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
619 | |
|
|
620 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
621 | PUTBACK; |
|
|
622 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
623 | SPAGAIN; |
|
|
624 | |
|
|
625 | // catch this surprisingly common error |
|
|
626 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
627 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
628 | |
|
|
629 | sv = POPs; |
|
|
630 | PUTBACK; |
|
|
631 | |
|
|
632 | encode_sv (enc, sv); |
|
|
633 | |
|
|
634 | FREETMPS; LEAVE; |
|
|
635 | } |
|
|
636 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
637 | encode_str (enc, "null", 4, 0); |
|
|
638 | else |
|
|
639 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
640 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
641 | } |
|
|
642 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
643 | encode_str (enc, "null", 4, 0); |
|
|
644 | else |
|
|
645 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
828 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
646 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
829 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
647 | } |
|
|
648 | } |
830 | } |
649 | else if (svt == SVt_PVHV) |
831 | else if (svt == SVt_PVHV) |
650 | encode_hv (enc, (HV *)sv); |
832 | encode_hv (enc, (HV *)sv); |
651 | else if (svt == SVt_PVAV) |
833 | else if (svt == SVt_PVAV) |
652 | encode_av (enc, (AV *)sv); |
834 | encode_av (enc, (AV *)sv); |
653 | else if (svt < SVt_PVAV) |
835 | else if (svt < SVt_PVAV) |
654 | { |
836 | { |
655 | STRLEN len = 0; |
837 | int bool_type = ref_bool_type (sv); |
656 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
657 | |
838 | |
658 | if (len == 1 && *pv == '1') |
839 | if (bool_type == 1) |
659 | encode_str (enc, "true", 4, 0); |
840 | encode_str (enc, "true", 4, 0); |
660 | else if (len == 1 && *pv == '0') |
841 | else if (bool_type == 0) |
661 | encode_str (enc, "false", 5, 0); |
842 | encode_str (enc, "false", 5, 0); |
662 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
843 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
663 | encode_str (enc, "null", 4, 0); |
844 | encode_str (enc, "null", 4, 0); |
664 | else |
845 | else |
665 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
846 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
728 | } |
909 | } |
729 | else |
910 | else |
730 | { |
911 | { |
731 | // large integer, use the (rather slow) snprintf way. |
912 | // large integer, use the (rather slow) snprintf way. |
732 | need (enc, IVUV_MAXCHARS); |
913 | need (enc, IVUV_MAXCHARS); |
733 | enc->cur += |
914 | enc->cur += |
734 | SvIsUV(sv) |
915 | SvIsUV(sv) |
735 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
916 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
736 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
917 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
737 | } |
918 | } |
738 | } |
919 | } |
739 | else if (SvROK (sv)) |
920 | else if (SvROK (sv)) |
740 | encode_rv (enc, SvRV (sv)); |
921 | encode_rv (enc, SvRV (sv)); |
741 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
922 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
742 | encode_str (enc, "null", 4, 0); |
923 | encode_str (enc, "null", 4, 0); |
743 | else |
924 | else |
744 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
925 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
745 | SvPV_nolen (sv), SvFLAGS (sv)); |
926 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
746 | } |
927 | } |
747 | |
928 | |
748 | static SV * |
929 | static SV * |
749 | encode_json (SV *scalar, JSON *json) |
930 | encode_json (SV *scalar, JSON *json) |
750 | { |
931 | { |
751 | enc_t enc; |
932 | enc_t enc; |
752 | |
933 | |
753 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
934 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
754 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
935 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
755 | |
936 | |
756 | enc.json = *json; |
937 | enc.json = *json; |
757 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
938 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
758 | enc.cur = SvPVX (enc.sv); |
939 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
965 | *cur++ = *dec_cur++; |
1146 | *cur++ = *dec_cur++; |
966 | while (--clen); |
1147 | while (--clen); |
967 | |
1148 | |
968 | utf8 = 1; |
1149 | utf8 = 1; |
969 | } |
1150 | } |
|
|
1151 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1152 | *cur++ = ch; |
970 | else |
1153 | else |
971 | { |
1154 | { |
972 | --dec_cur; |
1155 | --dec_cur; |
973 | |
1156 | |
974 | if (!ch) |
1157 | if (!ch) |
… | |
… | |
1119 | } |
1302 | } |
1120 | |
1303 | |
1121 | len -= *start == '-' ? 1 : 0; |
1304 | len -= *start == '-' ? 1 : 0; |
1122 | |
1305 | |
1123 | // does not fit into IV or UV, try NV |
1306 | // does not fit into IV or UV, try NV |
1124 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
1307 | if (len <= NV_DIG) |
1125 | #if defined (LDBL_DIG) |
|
|
1126 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1127 | #endif |
|
|
1128 | ) |
|
|
1129 | // fits into NV without loss of precision |
1308 | // fits into NV without loss of precision |
1130 | return newSVnv (Atof (start)); |
1309 | return newSVnv (json_atof (start)); |
1131 | |
1310 | |
1132 | // everything else fails, convert it to a string |
1311 | // everything else fails, convert it to a string |
1133 | return newSVpvn (start, dec->cur - start); |
1312 | return newSVpvn (start, dec->cur - start); |
1134 | } |
1313 | } |
1135 | |
1314 | |
1136 | // loss of precision here |
1315 | // loss of precision here |
1137 | return newSVnv (Atof (start)); |
1316 | return newSVnv (json_atof (start)); |
1138 | |
1317 | |
1139 | fail: |
1318 | fail: |
1140 | return 0; |
1319 | return 0; |
1141 | } |
1320 | } |
1142 | |
1321 | |
… | |
… | |
1166 | if (*dec->cur == ']') |
1345 | if (*dec->cur == ']') |
1167 | { |
1346 | { |
1168 | ++dec->cur; |
1347 | ++dec->cur; |
1169 | break; |
1348 | break; |
1170 | } |
1349 | } |
1171 | |
1350 | |
1172 | if (*dec->cur != ',') |
1351 | if (*dec->cur != ',') |
1173 | ERR (", or ] expected while parsing array"); |
1352 | ERR (", or ] expected while parsing array"); |
1174 | |
1353 | |
1175 | ++dec->cur; |
1354 | ++dec->cur; |
1176 | |
1355 | |
… | |
… | |
1300 | |
1479 | |
1301 | hv_iterinit (hv); |
1480 | hv_iterinit (hv); |
1302 | he = hv_iternext (hv); |
1481 | he = hv_iternext (hv); |
1303 | hv_iterinit (hv); |
1482 | hv_iterinit (hv); |
1304 | |
1483 | |
1305 | // the next line creates a mortal sv each time its called. |
1484 | // the next line creates a mortal sv each time it's called. |
1306 | // might want to optimise this for common cases. |
1485 | // might want to optimise this for common cases. |
1307 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1486 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1308 | |
1487 | |
1309 | if (cb) |
1488 | if (cb) |
1310 | { |
1489 | { |
1311 | dSP; |
1490 | dSP; |
1312 | int count; |
1491 | int count; |
1313 | |
1492 | |
1314 | ENTER; SAVETMPS; PUSHMARK (SP); |
1493 | ENTER; SAVETMPS; |
|
|
1494 | SAVESTACK_POS (); |
|
|
1495 | PUSHMARK (SP); |
1315 | XPUSHs (HeVAL (he)); |
1496 | XPUSHs (HeVAL (he)); |
|
|
1497 | sv_2mortal (sv); |
1316 | |
1498 | |
1317 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1499 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1318 | |
1500 | |
1319 | if (count == 1) |
1501 | if (count == 1) |
1320 | { |
1502 | { |
1321 | sv = newSVsv (POPs); |
1503 | sv = newSVsv (POPs); |
1322 | FREETMPS; LEAVE; |
1504 | FREETMPS; LEAVE; |
1323 | return sv; |
1505 | return sv; |
1324 | } |
1506 | } |
1325 | |
1507 | |
|
|
1508 | SvREFCNT_inc (sv); |
1326 | FREETMPS; LEAVE; |
1509 | FREETMPS; LEAVE; |
1327 | } |
1510 | } |
1328 | } |
1511 | } |
1329 | |
1512 | |
1330 | if (dec->json.cb_object) |
1513 | if (dec->json.cb_object) |
1331 | { |
1514 | { |
1332 | dSP; |
1515 | dSP; |
1333 | int count; |
1516 | int count; |
1334 | |
1517 | |
1335 | ENTER; SAVETMPS; PUSHMARK (SP); |
1518 | ENTER; SAVETMPS; |
|
|
1519 | SAVESTACK_POS (); |
|
|
1520 | PUSHMARK (SP); |
1336 | XPUSHs (sv_2mortal (sv)); |
1521 | XPUSHs (sv_2mortal (sv)); |
1337 | |
1522 | |
1338 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1523 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1339 | |
1524 | |
1340 | if (count == 1) |
1525 | if (count == 1) |
… | |
… | |
1356 | DEC_DEC_DEPTH; |
1541 | DEC_DEC_DEPTH; |
1357 | return 0; |
1542 | return 0; |
1358 | } |
1543 | } |
1359 | |
1544 | |
1360 | static SV * |
1545 | static SV * |
|
|
1546 | decode_tag (dec_t *dec) |
|
|
1547 | { |
|
|
1548 | SV *tag = 0; |
|
|
1549 | SV *val = 0; |
|
|
1550 | |
|
|
1551 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1552 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1553 | |
|
|
1554 | ++dec->cur; |
|
|
1555 | |
|
|
1556 | decode_ws (dec); |
|
|
1557 | |
|
|
1558 | tag = decode_sv (dec); |
|
|
1559 | if (!tag) |
|
|
1560 | goto fail; |
|
|
1561 | |
|
|
1562 | if (!SvPOK (tag)) |
|
|
1563 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1564 | |
|
|
1565 | decode_ws (dec); |
|
|
1566 | |
|
|
1567 | if (*dec->cur != ')') |
|
|
1568 | ERR (") expected after tag"); |
|
|
1569 | |
|
|
1570 | ++dec->cur; |
|
|
1571 | |
|
|
1572 | decode_ws (dec); |
|
|
1573 | |
|
|
1574 | val = decode_sv (dec); |
|
|
1575 | if (!val) |
|
|
1576 | goto fail; |
|
|
1577 | |
|
|
1578 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1579 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1580 | |
|
|
1581 | { |
|
|
1582 | AV *av = (AV *)SvRV (val); |
|
|
1583 | int i, len = av_len (av) + 1; |
|
|
1584 | HV *stash = gv_stashsv (tag, 0); |
|
|
1585 | SV *sv; |
|
|
1586 | |
|
|
1587 | if (!stash) |
|
|
1588 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1589 | |
|
|
1590 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1591 | |
|
|
1592 | if (!method) |
|
|
1593 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1594 | |
|
|
1595 | dSP; |
|
|
1596 | |
|
|
1597 | ENTER; SAVETMPS; |
|
|
1598 | PUSHMARK (SP); |
|
|
1599 | EXTEND (SP, len + 2); |
|
|
1600 | // we re-bless the reference to get overload and other niceties right |
|
|
1601 | PUSHs (tag); |
|
|
1602 | PUSHs (sv_json); |
|
|
1603 | |
|
|
1604 | for (i = 0; i < len; ++i) |
|
|
1605 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1606 | |
|
|
1607 | PUTBACK; |
|
|
1608 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1609 | SPAGAIN; |
|
|
1610 | |
|
|
1611 | SvREFCNT_dec (tag); |
|
|
1612 | SvREFCNT_dec (val); |
|
|
1613 | sv = SvREFCNT_inc (POPs); |
|
|
1614 | |
|
|
1615 | PUTBACK; |
|
|
1616 | |
|
|
1617 | FREETMPS; LEAVE; |
|
|
1618 | |
|
|
1619 | return sv; |
|
|
1620 | } |
|
|
1621 | |
|
|
1622 | fail: |
|
|
1623 | SvREFCNT_dec (tag); |
|
|
1624 | SvREFCNT_dec (val); |
|
|
1625 | return 0; |
|
|
1626 | } |
|
|
1627 | |
|
|
1628 | static SV * |
1361 | decode_sv (dec_t *dec) |
1629 | decode_sv (dec_t *dec) |
1362 | { |
1630 | { |
1363 | // the beauty of JSON: you need exactly one character lookahead |
1631 | // the beauty of JSON: you need exactly one character lookahead |
1364 | // to parse everything. |
1632 | // to parse everything. |
1365 | switch (*dec->cur) |
1633 | switch (*dec->cur) |
1366 | { |
1634 | { |
1367 | case '"': ++dec->cur; return decode_str (dec); |
1635 | case '"': ++dec->cur; return decode_str (dec); |
1368 | case '[': ++dec->cur; return decode_av (dec); |
1636 | case '[': ++dec->cur; return decode_av (dec); |
1369 | case '{': ++dec->cur; return decode_hv (dec); |
1637 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1638 | case '(': return decode_tag (dec); |
1370 | |
1639 | |
1371 | case '-': |
1640 | case '-': |
1372 | case '0': case '1': case '2': case '3': case '4': |
1641 | case '0': case '1': case '2': case '3': case '4': |
1373 | case '5': case '6': case '7': case '8': case '9': |
1642 | case '5': case '6': case '7': case '8': case '9': |
1374 | return decode_num (dec); |
1643 | return decode_num (dec); |
… | |
… | |
1376 | case 't': |
1645 | case 't': |
1377 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1646 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1378 | { |
1647 | { |
1379 | dec->cur += 4; |
1648 | dec->cur += 4; |
1380 | #if JSON_SLOW |
1649 | #if JSON_SLOW |
1381 | json_true = get_bool ("JSON::XS::true"); |
1650 | bool_true = get_bool ("Types::Serialiser::true"); |
1382 | #endif |
1651 | #endif |
1383 | return newSVsv (json_true); |
1652 | return newSVsv (bool_true); |
1384 | } |
1653 | } |
1385 | else |
1654 | else |
1386 | ERR ("'true' expected"); |
1655 | ERR ("'true' expected"); |
1387 | |
1656 | |
1388 | break; |
1657 | break; |
… | |
… | |
1390 | case 'f': |
1659 | case 'f': |
1391 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1660 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1392 | { |
1661 | { |
1393 | dec->cur += 5; |
1662 | dec->cur += 5; |
1394 | #if JSON_SLOW |
1663 | #if JSON_SLOW |
1395 | json_false = get_bool ("JSON::XS::false"); |
1664 | bool_false = get_bool ("Types::Serialiser::false"); |
1396 | #endif |
1665 | #endif |
1397 | return newSVsv (json_false); |
1666 | return newSVsv (bool_false); |
1398 | } |
1667 | } |
1399 | else |
1668 | else |
1400 | ERR ("'false' expected"); |
1669 | ERR ("'false' expected"); |
1401 | |
1670 | |
1402 | break; |
1671 | break; |
… | |
… | |
1411 | ERR ("'null' expected"); |
1680 | ERR ("'null' expected"); |
1412 | |
1681 | |
1413 | break; |
1682 | break; |
1414 | |
1683 | |
1415 | default: |
1684 | default: |
1416 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1685 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1417 | break; |
1686 | break; |
1418 | } |
1687 | } |
1419 | |
1688 | |
1420 | fail: |
1689 | fail: |
1421 | return 0; |
1690 | return 0; |
1422 | } |
1691 | } |
1423 | |
1692 | |
1424 | static SV * |
1693 | static SV * |
1425 | decode_json (SV *string, JSON *json, char **offset_return) |
1694 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1426 | { |
1695 | { |
1427 | dec_t dec; |
1696 | dec_t dec; |
1428 | SV *sv; |
1697 | SV *sv; |
1429 | |
1698 | |
1430 | /* work around bugs in 5.10 where manipulating magic values |
1699 | /* work around bugs in 5.10 where manipulating magic values |
1431 | * will perl ignore the magic in subsequent accesses |
1700 | * makes perl ignore the magic in subsequent accesses. |
|
|
1701 | * also make a copy of non-PV values, to get them into a clean |
|
|
1702 | * state (SvPV should do that, but it's buggy, see below). |
|
|
1703 | * |
|
|
1704 | * SvIsCOW_shared_hash works around a bug in perl (possibly 5.16), |
|
|
1705 | * as reported by Reini Urban. |
1432 | */ |
1706 | */ |
1433 | /*SvGETMAGIC (string);*/ |
1707 | /*SvGETMAGIC (string);*/ |
1434 | if (SvMAGICAL (string)) |
1708 | if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string)) |
1435 | string = sv_2mortal (newSVsv (string)); |
1709 | string = sv_2mortal (newSVsv (string)); |
1436 | |
1710 | |
1437 | SvUPGRADE (string, SVt_PV); |
1711 | SvUPGRADE (string, SVt_PV); |
1438 | |
1712 | |
1439 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1713 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1456 | if (offset > json->max_size && json->max_size) |
1730 | if (offset > json->max_size && json->max_size) |
1457 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1731 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1458 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1732 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1459 | } |
1733 | } |
1460 | |
1734 | |
1461 | if (json->flags & F_UTF8) |
1735 | if (DECODE_WANTS_OCTETS (json)) |
1462 | sv_utf8_downgrade (string, 0); |
1736 | sv_utf8_downgrade (string, 0); |
1463 | else |
1737 | else |
1464 | sv_utf8_upgrade (string); |
1738 | sv_utf8_upgrade (string); |
1465 | |
1739 | |
1466 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1740 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
… | |
… | |
1478 | |
1752 | |
1479 | decode_ws (&dec); |
1753 | decode_ws (&dec); |
1480 | sv = decode_sv (&dec); |
1754 | sv = decode_sv (&dec); |
1481 | |
1755 | |
1482 | if (offset_return) |
1756 | if (offset_return) |
1483 | *offset_return = dec.cur; |
1757 | *offset_return = dec.cur - SvPVX (string); |
1484 | |
1758 | else if (sv) |
1485 | if (!(offset_return || !sv)) |
|
|
1486 | { |
1759 | { |
1487 | // check for trailing garbage |
1760 | // check for trailing garbage |
1488 | decode_ws (&dec); |
1761 | decode_ws (&dec); |
1489 | |
1762 | |
1490 | if (*dec.cur) |
1763 | if (*dec.cur) |
… | |
… | |
1508 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1781 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1509 | LEAVE; |
1782 | LEAVE; |
1510 | |
1783 | |
1511 | croak ("%s, at character offset %d (before \"%s\")", |
1784 | croak ("%s, at character offset %d (before \"%s\")", |
1512 | dec.err, |
1785 | dec.err, |
1513 | ptr_to_index (string, dec.cur), |
1786 | (int)ptr_to_index (string, dec.cur), |
1514 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1787 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1515 | } |
1788 | } |
1516 | |
1789 | |
1517 | sv = sv_2mortal (sv); |
1790 | sv = sv_2mortal (sv); |
1518 | |
1791 | |
1519 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1792 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1520 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1793 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1521 | |
1794 | |
1522 | return sv; |
1795 | return sv; |
1523 | } |
1796 | } |
1524 | |
1797 | |
… | |
… | |
1646 | self->incr_mode = INCR_M_STR; |
1919 | self->incr_mode = INCR_M_STR; |
1647 | goto incr_m_str; |
1920 | goto incr_m_str; |
1648 | |
1921 | |
1649 | case '[': |
1922 | case '[': |
1650 | case '{': |
1923 | case '{': |
|
|
1924 | case '(': |
1651 | if (++self->incr_nest > self->max_depth) |
1925 | if (++self->incr_nest > self->max_depth) |
1652 | croak (ERR_NESTING_EXCEEDED); |
1926 | croak (ERR_NESTING_EXCEEDED); |
1653 | break; |
1927 | break; |
1654 | |
1928 | |
1655 | case ']': |
1929 | case ']': |
1656 | case '}': |
1930 | case '}': |
1657 | if (--self->incr_nest <= 0) |
1931 | if (--self->incr_nest <= 0) |
1658 | goto interrupt; |
1932 | goto interrupt; |
|
|
1933 | break; |
|
|
1934 | |
|
|
1935 | case ')': |
|
|
1936 | --self->incr_nest; |
1659 | break; |
1937 | break; |
1660 | |
1938 | |
1661 | case '#': |
1939 | case '#': |
1662 | self->incr_mode = INCR_M_C1; |
1940 | self->incr_mode = INCR_M_C1; |
1663 | goto incr_m_c; |
1941 | goto incr_m_c; |
… | |
… | |
1689 | i >= '0' && i <= '9' ? i - '0' |
1967 | i >= '0' && i <= '9' ? i - '0' |
1690 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1968 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1691 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1969 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1692 | : -1; |
1970 | : -1; |
1693 | |
1971 | |
1694 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1972 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1695 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1973 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1696 | |
|
|
1697 | json_true = get_bool ("JSON::XS::true"); |
1974 | bool_true = get_bool ("Types::Serialiser::true"); |
1698 | json_false = get_bool ("JSON::XS::false"); |
1975 | bool_false = get_bool ("Types::Serialiser::false"); |
|
|
1976 | |
|
|
1977 | sv_json = newSVpv ("JSON", 0); |
|
|
1978 | SvREADONLY_on (sv_json); |
1699 | |
1979 | |
1700 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1980 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1701 | } |
1981 | } |
1702 | |
1982 | |
1703 | PROTOTYPES: DISABLE |
1983 | PROTOTYPES: DISABLE |
1704 | |
1984 | |
1705 | void CLONE (...) |
1985 | void CLONE (...) |
1706 | CODE: |
1986 | CODE: |
1707 | json_stash = 0; |
1987 | json_stash = 0; |
1708 | json_boolean_stash = 0; |
1988 | bool_stash = 0; |
1709 | |
1989 | |
1710 | void new (char *klass) |
1990 | void new (char *klass) |
1711 | PPCODE: |
1991 | PPCODE: |
1712 | { |
1992 | { |
1713 | SV *pv = NEWSV (0, sizeof (JSON)); |
1993 | SV *pv = NEWSV (0, sizeof (JSON)); |
1714 | SvPOK_only (pv); |
1994 | SvPOK_only (pv); |
1715 | json_init ((JSON *)SvPVX (pv)); |
1995 | json_init ((JSON *)SvPVX (pv)); |
1716 | XPUSHs (sv_2mortal (sv_bless ( |
1996 | XPUSHs (sv_2mortal (sv_bless ( |
1717 | newRV_noinc (pv), |
1997 | newRV_noinc (pv), |
1718 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1998 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
… | |
… | |
1733 | shrink = F_SHRINK |
2013 | shrink = F_SHRINK |
1734 | allow_blessed = F_ALLOW_BLESSED |
2014 | allow_blessed = F_ALLOW_BLESSED |
1735 | convert_blessed = F_CONV_BLESSED |
2015 | convert_blessed = F_CONV_BLESSED |
1736 | relaxed = F_RELAXED |
2016 | relaxed = F_RELAXED |
1737 | allow_unknown = F_ALLOW_UNKNOWN |
2017 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
2018 | allow_tags = F_ALLOW_TAGS |
1738 | PPCODE: |
2019 | PPCODE: |
1739 | { |
2020 | { |
1740 | if (enable) |
2021 | if (enable) |
1741 | self->flags |= ix; |
2022 | self->flags |= ix; |
1742 | else |
2023 | else |
… | |
… | |
1758 | get_shrink = F_SHRINK |
2039 | get_shrink = F_SHRINK |
1759 | get_allow_blessed = F_ALLOW_BLESSED |
2040 | get_allow_blessed = F_ALLOW_BLESSED |
1760 | get_convert_blessed = F_CONV_BLESSED |
2041 | get_convert_blessed = F_CONV_BLESSED |
1761 | get_relaxed = F_RELAXED |
2042 | get_relaxed = F_RELAXED |
1762 | get_allow_unknown = F_ALLOW_UNKNOWN |
2043 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2044 | get_allow_tags = F_ALLOW_TAGS |
1763 | PPCODE: |
2045 | PPCODE: |
1764 | XPUSHs (boolSV (self->flags & ix)); |
2046 | XPUSHs (boolSV (self->flags & ix)); |
1765 | |
2047 | |
1766 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2048 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1767 | PPCODE: |
2049 | PPCODE: |
… | |
… | |
1795 | } |
2077 | } |
1796 | |
2078 | |
1797 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2079 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1798 | PPCODE: |
2080 | PPCODE: |
1799 | { |
2081 | { |
1800 | if (!self->cb_sk_object) |
2082 | if (!self->cb_sk_object) |
1801 | self->cb_sk_object = newHV (); |
2083 | self->cb_sk_object = newHV (); |
1802 | |
2084 | |
1803 | if (SvOK (cb)) |
2085 | if (SvOK (cb)) |
1804 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2086 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1805 | else |
2087 | else |
… | |
… | |
1816 | XPUSHs (ST (0)); |
2098 | XPUSHs (ST (0)); |
1817 | } |
2099 | } |
1818 | |
2100 | |
1819 | void encode (JSON *self, SV *scalar) |
2101 | void encode (JSON *self, SV *scalar) |
1820 | PPCODE: |
2102 | PPCODE: |
1821 | XPUSHs (encode_json (scalar, self)); |
2103 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2104 | XPUSHs (scalar); |
1822 | |
2105 | |
1823 | void decode (JSON *self, SV *jsonstr) |
2106 | void decode (JSON *self, SV *jsonstr) |
1824 | PPCODE: |
2107 | PPCODE: |
1825 | XPUSHs (decode_json (jsonstr, self, 0)); |
2108 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2109 | XPUSHs (jsonstr); |
1826 | |
2110 | |
1827 | void decode_prefix (JSON *self, SV *jsonstr) |
2111 | void decode_prefix (JSON *self, SV *jsonstr) |
1828 | PPCODE: |
2112 | PPCODE: |
1829 | { |
2113 | { |
1830 | char *offset; |
2114 | SV *sv; |
|
|
2115 | STRLEN offset; |
|
|
2116 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1831 | EXTEND (SP, 2); |
2117 | EXTEND (SP, 2); |
1832 | PUSHs (decode_json (jsonstr, self, &offset)); |
2118 | PUSHs (sv); |
1833 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2119 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset)))); |
1834 | } |
2120 | } |
1835 | |
2121 | |
1836 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2122 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1837 | PPCODE: |
2123 | PPCODE: |
1838 | { |
2124 | { |
1839 | if (!self->incr_text) |
2125 | if (!self->incr_text) |
1840 | self->incr_text = newSVpvn ("", 0); |
2126 | self->incr_text = newSVpvn ("", 0); |
|
|
2127 | |
|
|
2128 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2129 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2130 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2131 | { |
|
|
2132 | if (self->incr_pos) |
|
|
2133 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2134 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2135 | |
|
|
2136 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2137 | } |
|
|
2138 | else |
|
|
2139 | { |
|
|
2140 | sv_utf8_upgrade (self->incr_text); |
|
|
2141 | |
|
|
2142 | if (self->incr_pos) |
|
|
2143 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2144 | - (U8 *)SvPVX (self->incr_text); |
|
|
2145 | } |
1841 | |
2146 | |
1842 | // append data, if any |
2147 | // append data, if any |
1843 | if (jsonstr) |
2148 | if (jsonstr) |
1844 | { |
2149 | { |
|
|
2150 | /* make sure both strings have same encoding */ |
|
|
2151 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
1845 | if (SvUTF8 (jsonstr)) |
2152 | if (SvUTF8 (jsonstr)) |
|
|
2153 | sv_utf8_downgrade (jsonstr, 0); |
1846 | { |
2154 | else |
1847 | if (!SvUTF8 (self->incr_text)) |
|
|
1848 | { |
|
|
1849 | /* utf-8-ness differs, need to upgrade */ |
|
|
1850 | sv_utf8_upgrade (self->incr_text); |
|
|
1851 | |
|
|
1852 | if (self->incr_pos) |
|
|
1853 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1854 | - (U8 *)SvPVX (self->incr_text); |
|
|
1855 | } |
|
|
1856 | } |
|
|
1857 | else if (SvUTF8 (self->incr_text)) |
|
|
1858 | sv_utf8_upgrade (jsonstr); |
2155 | sv_utf8_upgrade (jsonstr); |
1859 | |
2156 | |
|
|
2157 | /* and then just blindly append */ |
1860 | { |
2158 | { |
1861 | STRLEN len; |
2159 | STRLEN len; |
1862 | const char *str = SvPV (jsonstr, len); |
2160 | const char *str = SvPV (jsonstr, len); |
1863 | STRLEN cur = SvCUR (self->incr_text); |
2161 | STRLEN cur = SvCUR (self->incr_text); |
1864 | |
2162 | |
… | |
… | |
1872 | } |
2170 | } |
1873 | |
2171 | |
1874 | if (GIMME_V != G_VOID) |
2172 | if (GIMME_V != G_VOID) |
1875 | do |
2173 | do |
1876 | { |
2174 | { |
|
|
2175 | SV *sv; |
1877 | char *offset; |
2176 | STRLEN offset; |
1878 | |
2177 | |
1879 | if (!INCR_DONE (self)) |
2178 | if (!INCR_DONE (self)) |
1880 | { |
2179 | { |
1881 | incr_parse (self); |
2180 | incr_parse (self); |
1882 | |
2181 | |
1883 | if (self->incr_pos > self->max_size && self->max_size) |
2182 | if (self->incr_pos > self->max_size && self->max_size) |
1884 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2183 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1885 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2184 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1886 | |
2185 | |
1887 | if (!INCR_DONE (self)) |
2186 | if (!INCR_DONE (self)) |
|
|
2187 | { |
|
|
2188 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2189 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2190 | { |
|
|
2191 | self->incr_pos = 0; |
|
|
2192 | SvCUR_set (self->incr_text, 0); |
|
|
2193 | } |
|
|
2194 | |
1888 | break; |
2195 | break; |
|
|
2196 | } |
1889 | } |
2197 | } |
1890 | |
2198 | |
1891 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2199 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2200 | XPUSHs (sv); |
1892 | |
2201 | |
1893 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2202 | self->incr_pos -= offset; |
1894 | self->incr_nest = 0; |
2203 | self->incr_nest = 0; |
1895 | self->incr_mode = 0; |
2204 | self->incr_mode = 0; |
1896 | |
2205 | |
1897 | sv_chop (self->incr_text, offset); |
2206 | sv_chop (self->incr_text, SvPVX (self->incr_text) + offset); |
1898 | } |
2207 | } |
1899 | while (GIMME_V == G_ARRAY); |
2208 | while (GIMME_V == G_ARRAY); |
1900 | } |
2209 | } |
1901 | |
2210 | |
1902 | SV *incr_text (JSON *self) |
2211 | SV *incr_text (JSON *self) |
… | |
… | |
1940 | SvREFCNT_dec (self->incr_text); |
2249 | SvREFCNT_dec (self->incr_text); |
1941 | |
2250 | |
1942 | PROTOTYPES: ENABLE |
2251 | PROTOTYPES: ENABLE |
1943 | |
2252 | |
1944 | void encode_json (SV *scalar) |
2253 | void encode_json (SV *scalar) |
1945 | ALIAS: |
|
|
1946 | to_json_ = 0 |
|
|
1947 | encode_json = F_UTF8 |
|
|
1948 | PPCODE: |
2254 | PPCODE: |
1949 | { |
2255 | { |
1950 | JSON json; |
2256 | JSON json; |
1951 | json_init (&json); |
2257 | json_init (&json); |
1952 | json.flags |= ix; |
2258 | json.flags |= F_UTF8; |
1953 | XPUSHs (encode_json (scalar, &json)); |
2259 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2260 | XPUSHs (scalar); |
1954 | } |
2261 | } |
1955 | |
2262 | |
1956 | void decode_json (SV *jsonstr) |
2263 | void decode_json (SV *jsonstr) |
1957 | ALIAS: |
|
|
1958 | from_json_ = 0 |
|
|
1959 | decode_json = F_UTF8 |
|
|
1960 | PPCODE: |
2264 | PPCODE: |
1961 | { |
2265 | { |
1962 | JSON json; |
2266 | JSON json; |
1963 | json_init (&json); |
2267 | json_init (&json); |
1964 | json.flags |= ix; |
2268 | json.flags |= F_UTF8; |
1965 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2269 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2270 | XPUSHs (jsonstr); |
1966 | } |
2271 | } |
1967 | |
2272 | |
1968 | |
|
|