… | |
… | |
31 | #define F_ALLOW_NONREF 0x00000100UL |
31 | #define F_ALLOW_NONREF 0x00000100UL |
32 | #define F_SHRINK 0x00000200UL |
32 | #define F_SHRINK 0x00000200UL |
33 | #define F_ALLOW_BLESSED 0x00000400UL |
33 | #define F_ALLOW_BLESSED 0x00000400UL |
34 | #define F_CONV_BLESSED 0x00000800UL |
34 | #define F_CONV_BLESSED 0x00000800UL |
35 | #define F_RELAXED 0x00001000UL |
35 | #define F_RELAXED 0x00001000UL |
36 | |
36 | #define F_ALLOW_UNKNOWN 0x00002000UL |
37 | #define F_MAXDEPTH 0xf8000000UL |
|
|
38 | #define S_MAXDEPTH 27 |
|
|
39 | #define F_MAXSIZE 0x01f00000UL |
|
|
40 | #define S_MAXSIZE 20 |
|
|
41 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
37 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
42 | |
38 | |
43 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
|
|
44 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
|
|
45 | |
|
|
46 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
39 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
47 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
|
|
48 | |
40 | |
49 | #define INIT_SIZE 32 // initial scalar size to be allocated |
41 | #define INIT_SIZE 32 // initial scalar size to be allocated |
50 | #define INDENT_STEP 3 // spaces per indentation level |
42 | #define INDENT_STEP 3 // spaces per indentation level |
51 | |
43 | |
52 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
44 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
… | |
… | |
67 | |
59 | |
68 | #define IN_RANGE_INC(type,val,beg,end) \ |
60 | #define IN_RANGE_INC(type,val,beg,end) \ |
69 | ((unsigned type)((unsigned type)(val) - (unsigned type)(beg)) \ |
61 | ((unsigned type)((unsigned type)(val) - (unsigned type)(beg)) \ |
70 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
62 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
71 | |
63 | |
|
|
64 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
|
|
65 | |
72 | #ifdef USE_ITHREADS |
66 | #ifdef USE_ITHREADS |
73 | # define JSON_SLOW 1 |
67 | # define JSON_SLOW 1 |
74 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
68 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
75 | #else |
69 | #else |
76 | # define JSON_SLOW 0 |
70 | # define JSON_SLOW 0 |
… | |
… | |
85 | INCR_M_STR, // inside string |
79 | INCR_M_STR, // inside string |
86 | INCR_M_BS, // inside backslash |
80 | INCR_M_BS, // inside backslash |
87 | INCR_M_JSON // outside anything, count nesting |
81 | INCR_M_JSON // outside anything, count nesting |
88 | }; |
82 | }; |
89 | |
83 | |
90 | #define INCR_DONE(json) (!(json)->incr_nest && (json)->incr_mode == INCR_M_JSON) |
84 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
91 | |
85 | |
92 | typedef struct { |
86 | typedef struct { |
93 | U32 flags; |
87 | U32 flags; |
|
|
88 | U32 max_depth; |
|
|
89 | STRLEN max_size; |
|
|
90 | |
94 | SV *cb_object; |
91 | SV *cb_object; |
95 | HV *cb_sk_object; |
92 | HV *cb_sk_object; |
96 | |
93 | |
97 | // for the incremental parser |
94 | // for the incremental parser |
98 | SV *incr_text; // the source text so far |
95 | SV *incr_text; // the source text so far |
99 | STRLEN incr_pos; // the current offset into the text |
96 | STRLEN incr_pos; // the current offset into the text |
100 | int incr_nest; // {[]}-nesting level |
97 | int incr_nest; // {[]}-nesting level |
101 | int incr_mode; |
98 | unsigned char incr_mode; |
102 | } JSON; |
99 | } JSON; |
|
|
100 | |
|
|
101 | INLINE void |
|
|
102 | json_init (JSON *json) |
|
|
103 | { |
|
|
104 | Zero (json, 1, JSON); |
|
|
105 | json->max_depth = 512; |
|
|
106 | } |
103 | |
107 | |
104 | ///////////////////////////////////////////////////////////////////////////// |
108 | ///////////////////////////////////////////////////////////////////////////// |
105 | // utility functions |
109 | // utility functions |
106 | |
110 | |
|
|
111 | INLINE SV * |
|
|
112 | get_bool (const char *name) |
|
|
113 | { |
|
|
114 | SV *sv = get_sv (name, 1); |
|
|
115 | |
|
|
116 | SvREADONLY_on (sv); |
|
|
117 | SvREADONLY_on (SvRV (sv)); |
|
|
118 | |
|
|
119 | return sv; |
|
|
120 | } |
|
|
121 | |
107 | INLINE void |
122 | INLINE void |
108 | shrink (SV *sv) |
123 | shrink (SV *sv) |
109 | { |
124 | { |
110 | sv_utf8_downgrade (sv, 1); |
125 | sv_utf8_downgrade (sv, 1); |
|
|
126 | |
111 | if (SvLEN (sv) > SvCUR (sv) + 1) |
127 | if (SvLEN (sv) > SvCUR (sv) + 1) |
112 | { |
128 | { |
113 | #ifdef SvPV_shrink_to_cur |
129 | #ifdef SvPV_shrink_to_cur |
114 | SvPV_shrink_to_cur (sv); |
130 | SvPV_shrink_to_cur (sv); |
115 | #elif defined (SvPV_renew) |
131 | #elif defined (SvPV_renew) |
… | |
… | |
170 | char *cur; // SvPVX (sv) + current output position |
186 | char *cur; // SvPVX (sv) + current output position |
171 | char *end; // SvEND (sv) |
187 | char *end; // SvEND (sv) |
172 | SV *sv; // result scalar |
188 | SV *sv; // result scalar |
173 | JSON json; |
189 | JSON json; |
174 | U32 indent; // indentation level |
190 | U32 indent; // indentation level |
175 | U32 maxdepth; // max. indentation/recursion level |
|
|
176 | UV limit; // escape character values >= this value when encoding |
191 | UV limit; // escape character values >= this value when encoding |
177 | } enc_t; |
192 | } enc_t; |
178 | |
193 | |
179 | INLINE void |
194 | INLINE void |
180 | need (enc_t *enc, STRLEN len) |
195 | need (enc_t *enc, STRLEN len) |
181 | { |
196 | { |
182 | if (expect_false (enc->cur + len >= enc->end)) |
197 | if (expect_false (enc->cur + len >= enc->end)) |
183 | { |
198 | { |
184 | STRLEN cur = enc->cur - SvPVX (enc->sv); |
199 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
185 | SvGROW (enc->sv, cur + len + 1); |
200 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
186 | enc->cur = SvPVX (enc->sv) + cur; |
201 | enc->cur = SvPVX (enc->sv) + cur; |
187 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
202 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
188 | } |
203 | } |
189 | } |
204 | } |
190 | |
205 | |
… | |
… | |
265 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
280 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
266 | enc->cur += 12; |
281 | enc->cur += 12; |
267 | } |
282 | } |
268 | else |
283 | else |
269 | { |
284 | { |
270 | static char hexdigit [16] = "0123456789abcdef"; |
|
|
271 | need (enc, len += 5); |
285 | need (enc, len += 5); |
272 | *enc->cur++ = '\\'; |
286 | *enc->cur++ = '\\'; |
273 | *enc->cur++ = 'u'; |
287 | *enc->cur++ = 'u'; |
274 | *enc->cur++ = hexdigit [ uch >> 12 ]; |
288 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
275 | *enc->cur++ = hexdigit [(uch >> 8) & 15]; |
289 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
276 | *enc->cur++ = hexdigit [(uch >> 4) & 15]; |
290 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
277 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
291 | *enc->cur++ = PL_hexdigit [(uch >> 0) & 15]; |
278 | } |
292 | } |
279 | |
293 | |
280 | str += clen; |
294 | str += clen; |
281 | } |
295 | } |
282 | else if (enc->json.flags & F_LATIN1) |
296 | else if (enc->json.flags & F_LATIN1) |
… | |
… | |
353 | static void |
367 | static void |
354 | encode_av (enc_t *enc, AV *av) |
368 | encode_av (enc_t *enc, AV *av) |
355 | { |
369 | { |
356 | int i, len = av_len (av); |
370 | int i, len = av_len (av); |
357 | |
371 | |
358 | if (enc->indent >= enc->maxdepth) |
372 | if (enc->indent >= enc->json.max_depth) |
359 | croak ("data structure too deep (hit recursion limit)"); |
373 | croak (ERR_NESTING_EXCEEDED); |
360 | |
374 | |
361 | encode_ch (enc, '['); |
375 | encode_ch (enc, '['); |
362 | |
376 | |
363 | if (len >= 0) |
377 | if (len >= 0) |
364 | { |
378 | { |
… | |
… | |
439 | static void |
453 | static void |
440 | encode_hv (enc_t *enc, HV *hv) |
454 | encode_hv (enc_t *enc, HV *hv) |
441 | { |
455 | { |
442 | HE *he; |
456 | HE *he; |
443 | |
457 | |
444 | if (enc->indent >= enc->maxdepth) |
458 | if (enc->indent >= enc->json.max_depth) |
445 | croak ("data structure too deep (hit recursion limit)"); |
459 | croak (ERR_NESTING_EXCEEDED); |
446 | |
460 | |
447 | encode_ch (enc, '{'); |
461 | encode_ch (enc, '{'); |
448 | |
462 | |
449 | // for canonical output we have to sort by keys first |
463 | // for canonical output we have to sort by keys first |
450 | // actually, this is mostly due to the stupid so-called |
464 | // actually, this is mostly due to the stupid so-called |
451 | // security workaround added somewhere in 5.8.x. |
465 | // security workaround added somewhere in 5.8.x |
452 | // that randomises hash orderings |
466 | // that randomises hash orderings |
453 | if (enc->json.flags & F_CANONICAL) |
467 | if (enc->json.flags & F_CANONICAL) |
454 | { |
468 | { |
455 | int count = hv_iterinit (hv); |
469 | int count = hv_iterinit (hv); |
456 | |
470 | |
… | |
… | |
631 | |
645 | |
632 | if (len == 1 && *pv == '1') |
646 | if (len == 1 && *pv == '1') |
633 | encode_str (enc, "true", 4, 0); |
647 | encode_str (enc, "true", 4, 0); |
634 | else if (len == 1 && *pv == '0') |
648 | else if (len == 1 && *pv == '0') |
635 | encode_str (enc, "false", 5, 0); |
649 | encode_str (enc, "false", 5, 0); |
|
|
650 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
651 | encode_str (enc, "null", 4, 0); |
636 | else |
652 | else |
637 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
653 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
638 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
654 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
639 | } |
655 | } |
|
|
656 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
657 | encode_str (enc, "null", 4, 0); |
640 | else |
658 | else |
641 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
659 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
642 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
660 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
643 | } |
661 | } |
644 | |
662 | |
… | |
… | |
706 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
724 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
707 | } |
725 | } |
708 | } |
726 | } |
709 | else if (SvROK (sv)) |
727 | else if (SvROK (sv)) |
710 | encode_rv (enc, SvRV (sv)); |
728 | encode_rv (enc, SvRV (sv)); |
711 | else if (!SvOK (sv)) |
729 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
712 | encode_str (enc, "null", 4, 0); |
730 | encode_str (enc, "null", 4, 0); |
713 | else |
731 | else |
714 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
732 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
715 | SvPV_nolen (sv), SvFLAGS (sv)); |
733 | SvPV_nolen (sv), SvFLAGS (sv)); |
716 | } |
734 | } |
… | |
… | |
726 | enc.json = *json; |
744 | enc.json = *json; |
727 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
745 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
728 | enc.cur = SvPVX (enc.sv); |
746 | enc.cur = SvPVX (enc.sv); |
729 | enc.end = SvEND (enc.sv); |
747 | enc.end = SvEND (enc.sv); |
730 | enc.indent = 0; |
748 | enc.indent = 0; |
731 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
|
|
732 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
749 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
733 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
750 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
734 | : 0x110000UL; |
751 | : 0x110000UL; |
735 | |
752 | |
736 | SvPOK_only (enc.sv); |
753 | SvPOK_only (enc.sv); |
… | |
… | |
803 | if (*dec->cur != ch) \ |
820 | if (*dec->cur != ch) \ |
804 | ERR (# ch " expected"); \ |
821 | ERR (# ch " expected"); \ |
805 | ++dec->cur; \ |
822 | ++dec->cur; \ |
806 | SE |
823 | SE |
807 | |
824 | |
808 | #define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)") |
825 | #define DEC_INC_DEPTH if (++dec->depth > dec->json.max_depth) ERR (ERR_NESTING_EXCEEDED) |
809 | #define DEC_DEC_DEPTH --dec->depth |
826 | #define DEC_DEC_DEPTH --dec->depth |
810 | |
827 | |
811 | static SV *decode_sv (dec_t *dec); |
828 | static SV *decode_sv (dec_t *dec); |
812 | |
829 | |
813 | static signed char decode_hexdigit[256]; |
830 | static signed char decode_hexdigit[256]; |
… | |
… | |
953 | { |
970 | { |
954 | STRLEN len = cur - buf; |
971 | STRLEN len = cur - buf; |
955 | |
972 | |
956 | if (sv) |
973 | if (sv) |
957 | { |
974 | { |
958 | SvGROW (sv, SvCUR (sv) + len + 1); |
975 | STRLEN cur = SvCUR (sv); |
|
|
976 | |
|
|
977 | if (SvLEN (sv) <= cur + len) |
|
|
978 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
|
|
979 | |
959 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
980 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
960 | SvCUR_set (sv, SvCUR (sv) + len); |
981 | SvCUR_set (sv, SvCUR (sv) + len); |
961 | } |
982 | } |
962 | else |
983 | else |
963 | sv = newSVpvn (buf, len); |
984 | sv = newSVpvn (buf, len); |
… | |
… | |
1343 | case 't': |
1364 | case 't': |
1344 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1365 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1345 | { |
1366 | { |
1346 | dec->cur += 4; |
1367 | dec->cur += 4; |
1347 | #if JSON_SLOW |
1368 | #if JSON_SLOW |
1348 | json_true = get_sv ("JSON::XS::true", 1); SvREADONLY_on (json_true); |
1369 | json_true = get_bool ("JSON::XS::true"); |
1349 | #endif |
1370 | #endif |
1350 | return SvREFCNT_inc (json_true); |
1371 | return newSVsv (json_true); |
1351 | } |
1372 | } |
1352 | else |
1373 | else |
1353 | ERR ("'true' expected"); |
1374 | ERR ("'true' expected"); |
1354 | |
1375 | |
1355 | break; |
1376 | break; |
… | |
… | |
1357 | case 'f': |
1378 | case 'f': |
1358 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1379 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1359 | { |
1380 | { |
1360 | dec->cur += 5; |
1381 | dec->cur += 5; |
1361 | #if JSON_SLOW |
1382 | #if JSON_SLOW |
1362 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1383 | json_false = get_bool ("JSON::XS::false"); |
1363 | #endif |
1384 | #endif |
1364 | return SvREFCNT_inc (json_false); |
1385 | return newSVsv (json_false); |
1365 | } |
1386 | } |
1366 | else |
1387 | else |
1367 | ERR ("'false' expected"); |
1388 | ERR ("'false' expected"); |
1368 | |
1389 | |
1369 | break; |
1390 | break; |
… | |
… | |
1393 | { |
1414 | { |
1394 | dec_t dec; |
1415 | dec_t dec; |
1395 | STRLEN offset; |
1416 | STRLEN offset; |
1396 | SV *sv; |
1417 | SV *sv; |
1397 | |
1418 | |
|
|
1419 | /* work around bugs in 5.10 where manipulating magic values |
|
|
1420 | * will perl ignore the magic in subsequent accesses |
|
|
1421 | */ |
1398 | SvGETMAGIC (string); |
1422 | /*SvGETMAGIC (string);*/ |
|
|
1423 | if (SvMAGICAL (string)) |
|
|
1424 | string = sv_2mortal (newSVsv (string)); |
|
|
1425 | |
1399 | SvUPGRADE (string, SVt_PV); |
1426 | SvUPGRADE (string, SVt_PV); |
1400 | |
1427 | |
1401 | if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags)) |
1428 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
1429 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
1430 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
1431 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
1432 | * But it doesn't fix it, so try another workaround, call SvPV_nolen |
|
|
1433 | * and hope for the best. |
|
|
1434 | * Damnit, SvPV_nolen still trips over yet another assertion. This |
|
|
1435 | * assertion business is seriously broken, try yet another workaround |
|
|
1436 | * for the broken -DDEBUGGING. |
|
|
1437 | */ |
|
|
1438 | #ifdef DEBUGGING |
|
|
1439 | offset = SvOK (string) ? sv_len (string) : 0; |
|
|
1440 | #else |
|
|
1441 | offset = SvCUR (string); |
|
|
1442 | #endif |
|
|
1443 | |
|
|
1444 | if (offset > json->max_size && json->max_size) |
1402 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1445 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1403 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags)); |
1446 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1404 | |
1447 | |
1405 | if (json->flags & F_UTF8) |
1448 | if (json->flags & F_UTF8) |
1406 | sv_utf8_downgrade (string, 0); |
1449 | sv_utf8_downgrade (string, 0); |
1407 | else |
1450 | else |
1408 | sv_utf8_upgrade (string); |
1451 | sv_utf8_upgrade (string); |
1409 | |
1452 | |
1410 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1453 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1411 | |
1454 | |
1412 | dec.json = *json; |
1455 | dec.json = *json; |
1413 | dec.cur = SvPVX (string); |
1456 | dec.cur = SvPVX (string); |
1414 | dec.end = SvEND (string); |
1457 | dec.end = SvEND (string); |
1415 | dec.err = 0; |
1458 | dec.err = 0; |
1416 | dec.depth = 0; |
1459 | dec.depth = 0; |
1417 | dec.maxdepth = DEC_DEPTH (dec.json.flags); |
|
|
1418 | |
1460 | |
1419 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1461 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1420 | dec.json.flags |= F_HOOK; |
1462 | dec.json.flags |= F_HOOK; |
1421 | |
1463 | |
1422 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1464 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
… | |
… | |
1568 | self->incr_mode = INCR_M_STR; |
1610 | self->incr_mode = INCR_M_STR; |
1569 | goto incr_m_str; |
1611 | goto incr_m_str; |
1570 | |
1612 | |
1571 | case '[': |
1613 | case '[': |
1572 | case '{': |
1614 | case '{': |
1573 | ++self->incr_nest; |
1615 | if (++self->incr_nest > self->max_depth) |
|
|
1616 | croak (ERR_NESTING_EXCEEDED); |
1574 | break; |
1617 | break; |
1575 | |
1618 | |
1576 | case ']': |
1619 | case ']': |
1577 | case '}': |
1620 | case '}': |
1578 | if (!--self->incr_nest) |
1621 | if (--self->incr_nest <= 0) |
1579 | goto interrupt; |
1622 | goto interrupt; |
1580 | } |
1623 | } |
1581 | } |
1624 | } |
1582 | } |
1625 | } |
1583 | |
1626 | |
… | |
… | |
1607 | : -1; |
1650 | : -1; |
1608 | |
1651 | |
1609 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1652 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1610 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1653 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1611 | |
1654 | |
1612 | json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true ); |
1655 | json_true = get_bool ("JSON::XS::true"); |
1613 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1656 | json_false = get_bool ("JSON::XS::false"); |
1614 | } |
1657 | } |
1615 | |
1658 | |
1616 | PROTOTYPES: DISABLE |
1659 | PROTOTYPES: DISABLE |
1617 | |
1660 | |
1618 | void CLONE (...) |
1661 | void CLONE (...) |
… | |
… | |
1623 | void new (char *klass) |
1666 | void new (char *klass) |
1624 | PPCODE: |
1667 | PPCODE: |
1625 | { |
1668 | { |
1626 | SV *pv = NEWSV (0, sizeof (JSON)); |
1669 | SV *pv = NEWSV (0, sizeof (JSON)); |
1627 | SvPOK_only (pv); |
1670 | SvPOK_only (pv); |
1628 | Zero (SvPVX (pv), 1, JSON); |
1671 | json_init ((JSON *)SvPVX (pv)); |
1629 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
|
|
1630 | XPUSHs (sv_2mortal (sv_bless ( |
1672 | XPUSHs (sv_2mortal (sv_bless ( |
1631 | newRV_noinc (pv), |
1673 | newRV_noinc (pv), |
1632 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1674 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1633 | ))); |
1675 | ))); |
1634 | } |
1676 | } |
… | |
… | |
1646 | allow_nonref = F_ALLOW_NONREF |
1688 | allow_nonref = F_ALLOW_NONREF |
1647 | shrink = F_SHRINK |
1689 | shrink = F_SHRINK |
1648 | allow_blessed = F_ALLOW_BLESSED |
1690 | allow_blessed = F_ALLOW_BLESSED |
1649 | convert_blessed = F_CONV_BLESSED |
1691 | convert_blessed = F_CONV_BLESSED |
1650 | relaxed = F_RELAXED |
1692 | relaxed = F_RELAXED |
|
|
1693 | allow_unknown = F_ALLOW_UNKNOWN |
1651 | PPCODE: |
1694 | PPCODE: |
1652 | { |
1695 | { |
1653 | if (enable) |
1696 | if (enable) |
1654 | self->flags |= ix; |
1697 | self->flags |= ix; |
1655 | else |
1698 | else |
… | |
… | |
1670 | get_allow_nonref = F_ALLOW_NONREF |
1713 | get_allow_nonref = F_ALLOW_NONREF |
1671 | get_shrink = F_SHRINK |
1714 | get_shrink = F_SHRINK |
1672 | get_allow_blessed = F_ALLOW_BLESSED |
1715 | get_allow_blessed = F_ALLOW_BLESSED |
1673 | get_convert_blessed = F_CONV_BLESSED |
1716 | get_convert_blessed = F_CONV_BLESSED |
1674 | get_relaxed = F_RELAXED |
1717 | get_relaxed = F_RELAXED |
|
|
1718 | get_allow_unknown = F_ALLOW_UNKNOWN |
1675 | PPCODE: |
1719 | PPCODE: |
1676 | XPUSHs (boolSV (self->flags & ix)); |
1720 | XPUSHs (boolSV (self->flags & ix)); |
1677 | |
1721 | |
1678 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1722 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1679 | PPCODE: |
1723 | PPCODE: |
1680 | { |
1724 | self->max_depth = max_depth; |
1681 | UV log2 = 0; |
|
|
1682 | |
|
|
1683 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
|
|
1684 | |
|
|
1685 | while ((1UL << log2) < max_depth) |
|
|
1686 | ++log2; |
|
|
1687 | |
|
|
1688 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
|
|
1689 | |
|
|
1690 | XPUSHs (ST (0)); |
1725 | XPUSHs (ST (0)); |
1691 | } |
|
|
1692 | |
1726 | |
1693 | U32 get_max_depth (JSON *self) |
1727 | U32 get_max_depth (JSON *self) |
1694 | CODE: |
1728 | CODE: |
1695 | RETVAL = DEC_DEPTH (self->flags); |
1729 | RETVAL = self->max_depth; |
1696 | OUTPUT: |
1730 | OUTPUT: |
1697 | RETVAL |
1731 | RETVAL |
1698 | |
1732 | |
1699 | void max_size (JSON *self, UV max_size = 0) |
1733 | void max_size (JSON *self, U32 max_size = 0) |
1700 | PPCODE: |
1734 | PPCODE: |
1701 | { |
1735 | self->max_size = max_size; |
1702 | UV log2 = 0; |
|
|
1703 | |
|
|
1704 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
|
|
1705 | if (max_size == 1) max_size = 2; |
|
|
1706 | |
|
|
1707 | while ((1UL << log2) < max_size) |
|
|
1708 | ++log2; |
|
|
1709 | |
|
|
1710 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
|
|
1711 | |
|
|
1712 | XPUSHs (ST (0)); |
1736 | XPUSHs (ST (0)); |
1713 | } |
|
|
1714 | |
1737 | |
1715 | int get_max_size (JSON *self) |
1738 | int get_max_size (JSON *self) |
1716 | CODE: |
1739 | CODE: |
1717 | RETVAL = DEC_SIZE (self->flags); |
1740 | RETVAL = self->max_size; |
1718 | OUTPUT: |
1741 | OUTPUT: |
1719 | RETVAL |
1742 | RETVAL |
1720 | |
1743 | |
1721 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1744 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1722 | PPCODE: |
1745 | PPCODE: |
… | |
… | |
1786 | } |
1809 | } |
1787 | |
1810 | |
1788 | { |
1811 | { |
1789 | STRLEN len; |
1812 | STRLEN len; |
1790 | const char *str = SvPV (jsonstr, len); |
1813 | const char *str = SvPV (jsonstr, len); |
1791 | SvGROW (self->incr_text, SvCUR (self->incr_text) + len + 1); |
1814 | STRLEN cur = SvCUR (self->incr_text); |
|
|
1815 | |
|
|
1816 | if (SvLEN (self->incr_text) <= cur + len) |
|
|
1817 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
|
|
1818 | |
1792 | Move (str, SvEND (self->incr_text), len, char); |
1819 | Move (str, SvEND (self->incr_text), len, char); |
1793 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1820 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1794 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1821 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1795 | } |
1822 | } |
1796 | } |
1823 | } |
… | |
… | |
1801 | STRLEN offset; |
1828 | STRLEN offset; |
1802 | |
1829 | |
1803 | if (!INCR_DONE (self)) |
1830 | if (!INCR_DONE (self)) |
1804 | { |
1831 | { |
1805 | incr_parse (self); |
1832 | incr_parse (self); |
|
|
1833 | |
|
|
1834 | if (self->incr_pos > self->max_size && self->max_size) |
|
|
1835 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
|
|
1836 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
|
|
1837 | |
1806 | if (!INCR_DONE (self)) |
1838 | if (!INCR_DONE (self)) |
1807 | break; |
1839 | break; |
1808 | } |
1840 | } |
1809 | |
1841 | |
1810 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
1842 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
… | |
… | |
1839 | self->incr_nest = 0; |
1871 | self->incr_nest = 0; |
1840 | self->incr_mode = 0; |
1872 | self->incr_mode = 0; |
1841 | } |
1873 | } |
1842 | } |
1874 | } |
1843 | |
1875 | |
|
|
1876 | void incr_reset (JSON *self) |
|
|
1877 | CODE: |
|
|
1878 | { |
|
|
1879 | SvREFCNT_dec (self->incr_text); |
|
|
1880 | self->incr_text = 0; |
|
|
1881 | self->incr_pos = 0; |
|
|
1882 | self->incr_nest = 0; |
|
|
1883 | self->incr_mode = 0; |
|
|
1884 | } |
|
|
1885 | |
1844 | void DESTROY (JSON *self) |
1886 | void DESTROY (JSON *self) |
1845 | CODE: |
1887 | CODE: |
1846 | SvREFCNT_dec (self->cb_sk_object); |
1888 | SvREFCNT_dec (self->cb_sk_object); |
1847 | SvREFCNT_dec (self->cb_object); |
1889 | SvREFCNT_dec (self->cb_object); |
1848 | SvREFCNT_dec (self->incr_text); |
1890 | SvREFCNT_dec (self->incr_text); |
… | |
… | |
1853 | ALIAS: |
1895 | ALIAS: |
1854 | to_json_ = 0 |
1896 | to_json_ = 0 |
1855 | encode_json = F_UTF8 |
1897 | encode_json = F_UTF8 |
1856 | PPCODE: |
1898 | PPCODE: |
1857 | { |
1899 | { |
1858 | JSON json = { F_DEFAULT | ix }; |
1900 | JSON json; |
|
|
1901 | json_init (&json); |
|
|
1902 | json.flags |= ix; |
1859 | XPUSHs (encode_json (scalar, &json)); |
1903 | XPUSHs (encode_json (scalar, &json)); |
1860 | } |
1904 | } |
1861 | |
1905 | |
1862 | void decode_json (SV *jsonstr) |
1906 | void decode_json (SV *jsonstr) |
1863 | ALIAS: |
1907 | ALIAS: |
1864 | from_json_ = 0 |
1908 | from_json_ = 0 |
1865 | decode_json = F_UTF8 |
1909 | decode_json = F_UTF8 |
1866 | PPCODE: |
1910 | PPCODE: |
1867 | { |
1911 | { |
1868 | JSON json = { F_DEFAULT | ix }; |
1912 | JSON json; |
|
|
1913 | json_init (&json); |
|
|
1914 | json.flags |= ix; |
1869 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1915 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1870 | } |
1916 | } |
1871 | |
1917 | |
1872 | |
1918 | |