… | |
… | |
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) |
… | |
… | |
353 | static void |
368 | static void |
354 | encode_av (enc_t *enc, AV *av) |
369 | encode_av (enc_t *enc, AV *av) |
355 | { |
370 | { |
356 | int i, len = av_len (av); |
371 | int i, len = av_len (av); |
357 | |
372 | |
358 | if (enc->indent >= enc->maxdepth) |
373 | if (enc->indent >= enc->json.max_depth) |
359 | croak ("data structure too deep (hit recursion limit)"); |
374 | croak (ERR_NESTING_EXCEEDED); |
360 | |
375 | |
361 | encode_ch (enc, '['); |
376 | encode_ch (enc, '['); |
362 | |
377 | |
363 | if (len >= 0) |
378 | if (len >= 0) |
364 | { |
379 | { |
… | |
… | |
439 | static void |
454 | static void |
440 | encode_hv (enc_t *enc, HV *hv) |
455 | encode_hv (enc_t *enc, HV *hv) |
441 | { |
456 | { |
442 | HE *he; |
457 | HE *he; |
443 | |
458 | |
444 | if (enc->indent >= enc->maxdepth) |
459 | if (enc->indent >= enc->json.max_depth) |
445 | croak ("data structure too deep (hit recursion limit)"); |
460 | croak (ERR_NESTING_EXCEEDED); |
446 | |
461 | |
447 | encode_ch (enc, '{'); |
462 | encode_ch (enc, '{'); |
448 | |
463 | |
449 | // for canonical output we have to sort by keys first |
464 | // for canonical output we have to sort by keys first |
450 | // actually, this is mostly due to the stupid so-called |
465 | // actually, this is mostly due to the stupid so-called |
… | |
… | |
631 | |
646 | |
632 | if (len == 1 && *pv == '1') |
647 | if (len == 1 && *pv == '1') |
633 | encode_str (enc, "true", 4, 0); |
648 | encode_str (enc, "true", 4, 0); |
634 | else if (len == 1 && *pv == '0') |
649 | else if (len == 1 && *pv == '0') |
635 | encode_str (enc, "false", 5, 0); |
650 | encode_str (enc, "false", 5, 0); |
|
|
651 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
652 | encode_str (enc, "null", 4, 0); |
636 | else |
653 | else |
637 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
654 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
638 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
655 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
639 | } |
656 | } |
|
|
657 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
|
|
658 | encode_str (enc, "null", 4, 0); |
640 | else |
659 | else |
641 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
660 | croak ("encountered %s, but JSON can only represent references to arrays or hashes", |
642 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
661 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
643 | } |
662 | } |
644 | |
663 | |
… | |
… | |
706 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
725 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
707 | } |
726 | } |
708 | } |
727 | } |
709 | else if (SvROK (sv)) |
728 | else if (SvROK (sv)) |
710 | encode_rv (enc, SvRV (sv)); |
729 | encode_rv (enc, SvRV (sv)); |
711 | else if (!SvOK (sv)) |
730 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
712 | encode_str (enc, "null", 4, 0); |
731 | encode_str (enc, "null", 4, 0); |
713 | else |
732 | else |
714 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
733 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
715 | SvPV_nolen (sv), SvFLAGS (sv)); |
734 | SvPV_nolen (sv), SvFLAGS (sv)); |
716 | } |
735 | } |
… | |
… | |
726 | enc.json = *json; |
745 | enc.json = *json; |
727 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
746 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
728 | enc.cur = SvPVX (enc.sv); |
747 | enc.cur = SvPVX (enc.sv); |
729 | enc.end = SvEND (enc.sv); |
748 | enc.end = SvEND (enc.sv); |
730 | enc.indent = 0; |
749 | enc.indent = 0; |
731 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
|
|
732 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
750 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
733 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
751 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
734 | : 0x110000UL; |
752 | : 0x110000UL; |
735 | |
753 | |
736 | SvPOK_only (enc.sv); |
754 | SvPOK_only (enc.sv); |
… | |
… | |
803 | if (*dec->cur != ch) \ |
821 | if (*dec->cur != ch) \ |
804 | ERR (# ch " expected"); \ |
822 | ERR (# ch " expected"); \ |
805 | ++dec->cur; \ |
823 | ++dec->cur; \ |
806 | SE |
824 | SE |
807 | |
825 | |
808 | #define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)") |
826 | #define DEC_INC_DEPTH if (++dec->depth > dec->json.max_depth) ERR (ERR_NESTING_EXCEEDED) |
809 | #define DEC_DEC_DEPTH --dec->depth |
827 | #define DEC_DEC_DEPTH --dec->depth |
810 | |
828 | |
811 | static SV *decode_sv (dec_t *dec); |
829 | static SV *decode_sv (dec_t *dec); |
812 | |
830 | |
813 | static signed char decode_hexdigit[256]; |
831 | static signed char decode_hexdigit[256]; |
… | |
… | |
1343 | case 't': |
1361 | case 't': |
1344 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1362 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1345 | { |
1363 | { |
1346 | dec->cur += 4; |
1364 | dec->cur += 4; |
1347 | #if JSON_SLOW |
1365 | #if JSON_SLOW |
1348 | json_true = get_sv ("JSON::XS::true", 1); SvREADONLY_on (json_true); |
1366 | json_true = get_bool ("JSON::XS::true"); |
1349 | #endif |
1367 | #endif |
1350 | return SvREFCNT_inc (json_true); |
1368 | return newSVsv (json_true); |
1351 | } |
1369 | } |
1352 | else |
1370 | else |
1353 | ERR ("'true' expected"); |
1371 | ERR ("'true' expected"); |
1354 | |
1372 | |
1355 | break; |
1373 | break; |
… | |
… | |
1357 | case 'f': |
1375 | case 'f': |
1358 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1376 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1359 | { |
1377 | { |
1360 | dec->cur += 5; |
1378 | dec->cur += 5; |
1361 | #if JSON_SLOW |
1379 | #if JSON_SLOW |
1362 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1380 | json_false = get_bool ("JSON::XS::false"); |
1363 | #endif |
1381 | #endif |
1364 | return SvREFCNT_inc (json_false); |
1382 | return newSVsv (json_false); |
1365 | } |
1383 | } |
1366 | else |
1384 | else |
1367 | ERR ("'false' expected"); |
1385 | ERR ("'false' expected"); |
1368 | |
1386 | |
1369 | break; |
1387 | break; |
… | |
… | |
1396 | SV *sv; |
1414 | SV *sv; |
1397 | |
1415 | |
1398 | SvGETMAGIC (string); |
1416 | SvGETMAGIC (string); |
1399 | SvUPGRADE (string, SVt_PV); |
1417 | SvUPGRADE (string, SVt_PV); |
1400 | |
1418 | |
1401 | if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags)) |
1419 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
|
|
1420 | * assertion with -DDEBUGGING, although SvCUR is documented to |
|
|
1421 | * return the xpv_cur field which certainly exists after upgrading. |
|
|
1422 | * according to nicholas clark, calling SvPOK fixes this. |
|
|
1423 | */ |
|
|
1424 | SvPOK (string); |
|
|
1425 | |
|
|
1426 | if (SvCUR (string) > json->max_size && json->max_size) |
1402 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1427 | 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)); |
1428 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1404 | |
1429 | |
1405 | if (json->flags & F_UTF8) |
1430 | if (json->flags & F_UTF8) |
1406 | sv_utf8_downgrade (string, 0); |
1431 | sv_utf8_downgrade (string, 0); |
1407 | else |
1432 | else |
1408 | sv_utf8_upgrade (string); |
1433 | sv_utf8_upgrade (string); |
1409 | |
1434 | |
1410 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1435 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1411 | |
1436 | |
1412 | dec.json = *json; |
1437 | dec.json = *json; |
1413 | dec.cur = SvPVX (string); |
1438 | dec.cur = SvPVX (string); |
1414 | dec.end = SvEND (string); |
1439 | dec.end = SvEND (string); |
1415 | dec.err = 0; |
1440 | dec.err = 0; |
1416 | dec.depth = 0; |
1441 | dec.depth = 0; |
1417 | dec.maxdepth = DEC_DEPTH (dec.json.flags); |
|
|
1418 | |
1442 | |
1419 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1443 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1420 | dec.json.flags |= F_HOOK; |
1444 | dec.json.flags |= F_HOOK; |
1421 | |
1445 | |
1422 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1446 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
… | |
… | |
1568 | self->incr_mode = INCR_M_STR; |
1592 | self->incr_mode = INCR_M_STR; |
1569 | goto incr_m_str; |
1593 | goto incr_m_str; |
1570 | |
1594 | |
1571 | case '[': |
1595 | case '[': |
1572 | case '{': |
1596 | case '{': |
1573 | ++self->incr_nest; |
1597 | if (++self->incr_nest > self->max_depth) |
|
|
1598 | croak (ERR_NESTING_EXCEEDED); |
1574 | break; |
1599 | break; |
1575 | |
1600 | |
1576 | case ']': |
1601 | case ']': |
1577 | case '}': |
1602 | case '}': |
1578 | if (!--self->incr_nest) |
1603 | if (--self->incr_nest <= 0) |
1579 | goto interrupt; |
1604 | goto interrupt; |
1580 | } |
1605 | } |
1581 | } |
1606 | } |
1582 | } |
1607 | } |
1583 | |
1608 | |
… | |
… | |
1607 | : -1; |
1632 | : -1; |
1608 | |
1633 | |
1609 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1634 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1610 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1635 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
1611 | |
1636 | |
1612 | json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true ); |
1637 | json_true = get_bool ("JSON::XS::true"); |
1613 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1638 | json_false = get_bool ("JSON::XS::false"); |
1614 | } |
1639 | } |
1615 | |
1640 | |
1616 | PROTOTYPES: DISABLE |
1641 | PROTOTYPES: DISABLE |
1617 | |
1642 | |
1618 | void CLONE (...) |
1643 | void CLONE (...) |
… | |
… | |
1623 | void new (char *klass) |
1648 | void new (char *klass) |
1624 | PPCODE: |
1649 | PPCODE: |
1625 | { |
1650 | { |
1626 | SV *pv = NEWSV (0, sizeof (JSON)); |
1651 | SV *pv = NEWSV (0, sizeof (JSON)); |
1627 | SvPOK_only (pv); |
1652 | SvPOK_only (pv); |
1628 | Zero (SvPVX (pv), 1, JSON); |
1653 | json_init ((JSON *)SvPVX (pv)); |
1629 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
|
|
1630 | XPUSHs (sv_2mortal (sv_bless ( |
1654 | XPUSHs (sv_2mortal (sv_bless ( |
1631 | newRV_noinc (pv), |
1655 | newRV_noinc (pv), |
1632 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1656 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1633 | ))); |
1657 | ))); |
1634 | } |
1658 | } |
… | |
… | |
1646 | allow_nonref = F_ALLOW_NONREF |
1670 | allow_nonref = F_ALLOW_NONREF |
1647 | shrink = F_SHRINK |
1671 | shrink = F_SHRINK |
1648 | allow_blessed = F_ALLOW_BLESSED |
1672 | allow_blessed = F_ALLOW_BLESSED |
1649 | convert_blessed = F_CONV_BLESSED |
1673 | convert_blessed = F_CONV_BLESSED |
1650 | relaxed = F_RELAXED |
1674 | relaxed = F_RELAXED |
|
|
1675 | allow_unknown = F_ALLOW_UNKNOWN |
1651 | PPCODE: |
1676 | PPCODE: |
1652 | { |
1677 | { |
1653 | if (enable) |
1678 | if (enable) |
1654 | self->flags |= ix; |
1679 | self->flags |= ix; |
1655 | else |
1680 | else |
… | |
… | |
1670 | get_allow_nonref = F_ALLOW_NONREF |
1695 | get_allow_nonref = F_ALLOW_NONREF |
1671 | get_shrink = F_SHRINK |
1696 | get_shrink = F_SHRINK |
1672 | get_allow_blessed = F_ALLOW_BLESSED |
1697 | get_allow_blessed = F_ALLOW_BLESSED |
1673 | get_convert_blessed = F_CONV_BLESSED |
1698 | get_convert_blessed = F_CONV_BLESSED |
1674 | get_relaxed = F_RELAXED |
1699 | get_relaxed = F_RELAXED |
|
|
1700 | get_allow_unknown = F_ALLOW_UNKNOWN |
1675 | PPCODE: |
1701 | PPCODE: |
1676 | XPUSHs (boolSV (self->flags & ix)); |
1702 | XPUSHs (boolSV (self->flags & ix)); |
1677 | |
1703 | |
1678 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1704 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1679 | PPCODE: |
1705 | PPCODE: |
1680 | { |
1706 | 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)); |
1707 | XPUSHs (ST (0)); |
1691 | } |
|
|
1692 | |
1708 | |
1693 | U32 get_max_depth (JSON *self) |
1709 | U32 get_max_depth (JSON *self) |
1694 | CODE: |
1710 | CODE: |
1695 | RETVAL = DEC_DEPTH (self->flags); |
1711 | RETVAL = self->max_depth; |
1696 | OUTPUT: |
1712 | OUTPUT: |
1697 | RETVAL |
1713 | RETVAL |
1698 | |
1714 | |
1699 | void max_size (JSON *self, UV max_size = 0) |
1715 | void max_size (JSON *self, U32 max_size = 0) |
1700 | PPCODE: |
1716 | PPCODE: |
1701 | { |
1717 | 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)); |
1718 | XPUSHs (ST (0)); |
1713 | } |
|
|
1714 | |
1719 | |
1715 | int get_max_size (JSON *self) |
1720 | int get_max_size (JSON *self) |
1716 | CODE: |
1721 | CODE: |
1717 | RETVAL = DEC_SIZE (self->flags); |
1722 | RETVAL = self->max_size; |
1718 | OUTPUT: |
1723 | OUTPUT: |
1719 | RETVAL |
1724 | RETVAL |
1720 | |
1725 | |
1721 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1726 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1722 | PPCODE: |
1727 | PPCODE: |
… | |
… | |
1798 | if (GIMME_V != G_VOID) |
1803 | if (GIMME_V != G_VOID) |
1799 | do |
1804 | do |
1800 | { |
1805 | { |
1801 | STRLEN offset; |
1806 | STRLEN offset; |
1802 | |
1807 | |
1803 | incr_parse (self); |
|
|
1804 | |
|
|
1805 | if (!INCR_DONE (self)) |
1808 | if (!INCR_DONE (self)) |
|
|
1809 | { |
|
|
1810 | incr_parse (self); |
|
|
1811 | |
|
|
1812 | if (self->incr_pos > self->max_size && self->max_size) |
|
|
1813 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
|
|
1814 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
|
|
1815 | |
|
|
1816 | if (!INCR_DONE (self)) |
1806 | break; |
1817 | break; |
|
|
1818 | } |
1807 | |
1819 | |
1808 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
1820 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
1809 | |
1821 | |
1810 | sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + offset); |
1822 | sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + offset); |
1811 | self->incr_pos -= offset; |
1823 | self->incr_pos -= offset; |
… | |
… | |
1818 | SV *incr_text (JSON *self) |
1830 | SV *incr_text (JSON *self) |
1819 | ATTRS: lvalue |
1831 | ATTRS: lvalue |
1820 | CODE: |
1832 | CODE: |
1821 | { |
1833 | { |
1822 | if (self->incr_pos) |
1834 | if (self->incr_pos) |
1823 | croak ("incr_text can only be called after a successful incr_parse call in scalar context"); |
1835 | croak ("incr_text can not be called when the incremental parser already started parsing"); |
1824 | |
1836 | |
1825 | RETVAL = self->incr_text ? SvREFCNT_inc (self->incr_text) : &PL_sv_undef; |
1837 | RETVAL = self->incr_text ? SvREFCNT_inc (self->incr_text) : &PL_sv_undef; |
1826 | } |
1838 | } |
1827 | OUTPUT: |
1839 | OUTPUT: |
1828 | RETVAL |
1840 | RETVAL |
… | |
… | |
1837 | self->incr_nest = 0; |
1849 | self->incr_nest = 0; |
1838 | self->incr_mode = 0; |
1850 | self->incr_mode = 0; |
1839 | } |
1851 | } |
1840 | } |
1852 | } |
1841 | |
1853 | |
|
|
1854 | void incr_reset (JSON *self) |
|
|
1855 | CODE: |
|
|
1856 | { |
|
|
1857 | SvREFCNT_dec (self->incr_text); |
|
|
1858 | self->incr_text = 0; |
|
|
1859 | self->incr_pos = 0; |
|
|
1860 | self->incr_nest = 0; |
|
|
1861 | self->incr_mode = 0; |
|
|
1862 | } |
|
|
1863 | |
1842 | void DESTROY (JSON *self) |
1864 | void DESTROY (JSON *self) |
1843 | CODE: |
1865 | CODE: |
1844 | SvREFCNT_dec (self->cb_sk_object); |
1866 | SvREFCNT_dec (self->cb_sk_object); |
1845 | SvREFCNT_dec (self->cb_object); |
1867 | SvREFCNT_dec (self->cb_object); |
1846 | SvREFCNT_dec (self->incr_text); |
1868 | SvREFCNT_dec (self->incr_text); |
… | |
… | |
1851 | ALIAS: |
1873 | ALIAS: |
1852 | to_json_ = 0 |
1874 | to_json_ = 0 |
1853 | encode_json = F_UTF8 |
1875 | encode_json = F_UTF8 |
1854 | PPCODE: |
1876 | PPCODE: |
1855 | { |
1877 | { |
1856 | JSON json = { F_DEFAULT | ix }; |
1878 | JSON json; |
|
|
1879 | json_init (&json); |
|
|
1880 | json.flags |= ix; |
1857 | XPUSHs (encode_json (scalar, &json)); |
1881 | XPUSHs (encode_json (scalar, &json)); |
1858 | } |
1882 | } |
1859 | |
1883 | |
1860 | void decode_json (SV *jsonstr) |
1884 | void decode_json (SV *jsonstr) |
1861 | ALIAS: |
1885 | ALIAS: |
1862 | from_json_ = 0 |
1886 | from_json_ = 0 |
1863 | decode_json = F_UTF8 |
1887 | decode_json = F_UTF8 |
1864 | PPCODE: |
1888 | PPCODE: |
1865 | { |
1889 | { |
1866 | JSON json = { F_DEFAULT | ix }; |
1890 | JSON json; |
|
|
1891 | json_init (&json); |
|
|
1892 | json.flags |= ix; |
1867 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1893 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1868 | } |
1894 | } |
1869 | |
1895 | |
1870 | |
1896 | |