… | |
… | |
25 | #define F_SPACE_BEFORE 0x00000020UL |
25 | #define F_SPACE_BEFORE 0x00000020UL |
26 | #define F_SPACE_AFTER 0x00000040UL |
26 | #define F_SPACE_AFTER 0x00000040UL |
27 | #define F_ALLOW_NONREF 0x00000100UL |
27 | #define F_ALLOW_NONREF 0x00000100UL |
28 | #define F_SHRINK 0x00000200UL |
28 | #define F_SHRINK 0x00000200UL |
29 | #define F_ALLOW_BLESSED 0x00000400UL |
29 | #define F_ALLOW_BLESSED 0x00000400UL |
30 | #define F_CONV_BLESSED 0x00000800UL // NYI |
30 | #define F_CONV_BLESSED 0x00000800UL |
31 | #define F_MAXDEPTH 0xf8000000UL |
31 | #define F_MAXDEPTH 0xf8000000UL |
32 | #define S_MAXDEPTH 27 |
32 | #define S_MAXDEPTH 27 |
33 | #define F_MAXSIZE 0x01f00000UL |
33 | #define F_MAXSIZE 0x01f00000UL |
34 | #define S_MAXSIZE 20 |
34 | #define S_MAXSIZE 20 |
|
|
35 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
35 | |
36 | |
36 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
37 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
37 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
38 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
38 | |
39 | |
39 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
40 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
… | |
… | |
59 | #define expect_true(expr) expect ((expr) != 0, 1) |
60 | #define expect_true(expr) expect ((expr) != 0, 1) |
60 | |
61 | |
61 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
62 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
62 | static SV *json_true, *json_false; |
63 | static SV *json_true, *json_false; |
63 | |
64 | |
|
|
65 | typedef struct { |
|
|
66 | U32 flags; |
|
|
67 | SV *cb_object, *cb_sk_object; |
|
|
68 | } JSON; |
|
|
69 | |
64 | ///////////////////////////////////////////////////////////////////////////// |
70 | ///////////////////////////////////////////////////////////////////////////// |
65 | // utility functions |
71 | // utility functions |
66 | |
72 | |
67 | static UV * |
73 | inline void |
68 | SvJSON (SV *sv) |
|
|
69 | { |
|
|
70 | if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash)) |
|
|
71 | croak ("object is not of type JSON::XS"); |
|
|
72 | |
|
|
73 | return &SvUVX (SvRV (sv)); |
|
|
74 | } |
|
|
75 | |
|
|
76 | static void |
|
|
77 | shrink (SV *sv) |
74 | shrink (SV *sv) |
78 | { |
75 | { |
79 | sv_utf8_downgrade (sv, 1); |
76 | sv_utf8_downgrade (sv, 1); |
80 | if (SvLEN (sv) > SvCUR (sv) + 1) |
77 | if (SvLEN (sv) > SvCUR (sv) + 1) |
81 | { |
78 | { |
… | |
… | |
116 | typedef struct |
113 | typedef struct |
117 | { |
114 | { |
118 | char *cur; // SvPVX (sv) + current output position |
115 | char *cur; // SvPVX (sv) + current output position |
119 | char *end; // SvEND (sv) |
116 | char *end; // SvEND (sv) |
120 | SV *sv; // result scalar |
117 | SV *sv; // result scalar |
121 | U32 flags; // F_* |
118 | JSON json; |
122 | U32 indent; // indentation level |
119 | U32 indent; // indentation level |
123 | U32 maxdepth; // max. indentation/recursion level |
120 | U32 maxdepth; // max. indentation/recursion level |
124 | } enc_t; |
121 | } enc_t; |
125 | |
122 | |
126 | inline void |
123 | inline void |
… | |
… | |
200 | } |
197 | } |
201 | |
198 | |
202 | if (uch > 0x10FFFFUL) |
199 | if (uch > 0x10FFFFUL) |
203 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
200 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
204 | |
201 | |
205 | if (uch < 0x80 || enc->flags & F_ASCII || (enc->flags & F_LATIN1 && uch > 0xFF)) |
202 | if (uch < 0x80 || enc->json.flags & F_ASCII || (enc->json.flags & F_LATIN1 && uch > 0xFF)) |
206 | { |
203 | { |
207 | if (uch > 0xFFFFUL) |
204 | if (uch > 0xFFFFUL) |
208 | { |
205 | { |
209 | need (enc, len += 11); |
206 | need (enc, len += 11); |
210 | sprintf (enc->cur, "\\u%04x\\u%04x", |
207 | sprintf (enc->cur, "\\u%04x\\u%04x", |
… | |
… | |
224 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
221 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
225 | } |
222 | } |
226 | |
223 | |
227 | str += clen; |
224 | str += clen; |
228 | } |
225 | } |
229 | else if (enc->flags & F_LATIN1) |
226 | else if (enc->json.flags & F_LATIN1) |
230 | { |
227 | { |
231 | *enc->cur++ = uch; |
228 | *enc->cur++ = uch; |
232 | str += clen; |
229 | str += clen; |
233 | } |
230 | } |
234 | else if (is_utf8) |
231 | else if (is_utf8) |
… | |
… | |
255 | } |
252 | } |
256 | |
253 | |
257 | inline void |
254 | inline void |
258 | encode_indent (enc_t *enc) |
255 | encode_indent (enc_t *enc) |
259 | { |
256 | { |
260 | if (enc->flags & F_INDENT) |
257 | if (enc->json.flags & F_INDENT) |
261 | { |
258 | { |
262 | int spaces = enc->indent * INDENT_STEP; |
259 | int spaces = enc->indent * INDENT_STEP; |
263 | |
260 | |
264 | need (enc, spaces); |
261 | need (enc, spaces); |
265 | memset (enc->cur, ' ', spaces); |
262 | memset (enc->cur, ' ', spaces); |
… | |
… | |
275 | } |
272 | } |
276 | |
273 | |
277 | inline void |
274 | inline void |
278 | encode_nl (enc_t *enc) |
275 | encode_nl (enc_t *enc) |
279 | { |
276 | { |
280 | if (enc->flags & F_INDENT) |
277 | if (enc->json.flags & F_INDENT) |
281 | { |
278 | { |
282 | need (enc, 1); |
279 | need (enc, 1); |
283 | encode_ch (enc, '\n'); |
280 | encode_ch (enc, '\n'); |
284 | } |
281 | } |
285 | } |
282 | } |
… | |
… | |
287 | inline void |
284 | inline void |
288 | encode_comma (enc_t *enc) |
285 | encode_comma (enc_t *enc) |
289 | { |
286 | { |
290 | encode_ch (enc, ','); |
287 | encode_ch (enc, ','); |
291 | |
288 | |
292 | if (enc->flags & F_INDENT) |
289 | if (enc->json.flags & F_INDENT) |
293 | encode_nl (enc); |
290 | encode_nl (enc); |
294 | else if (enc->flags & F_SPACE_AFTER) |
291 | else if (enc->json.flags & F_SPACE_AFTER) |
295 | encode_space (enc); |
292 | encode_space (enc); |
296 | } |
293 | } |
297 | |
294 | |
298 | static void encode_sv (enc_t *enc, SV *sv); |
295 | static void encode_sv (enc_t *enc, SV *sv); |
299 | |
296 | |
… | |
… | |
342 | else |
339 | else |
343 | encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); |
340 | encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); |
344 | |
341 | |
345 | encode_ch (enc, '"'); |
342 | encode_ch (enc, '"'); |
346 | |
343 | |
347 | if (enc->flags & F_SPACE_BEFORE) encode_space (enc); |
344 | if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc); |
348 | encode_ch (enc, ':'); |
345 | encode_ch (enc, ':'); |
349 | if (enc->flags & F_SPACE_AFTER ) encode_space (enc); |
346 | if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc); |
350 | encode_sv (enc, HeVAL (he)); |
347 | encode_sv (enc, HeVAL (he)); |
351 | } |
348 | } |
352 | |
349 | |
353 | // compare hash entries, used when all keys are bytestrings |
350 | // compare hash entries, used when all keys are bytestrings |
354 | static int |
351 | static int |
… | |
… | |
389 | { |
386 | { |
390 | // for canonical output we have to sort by keys first |
387 | // for canonical output we have to sort by keys first |
391 | // actually, this is mostly due to the stupid so-called |
388 | // actually, this is mostly due to the stupid so-called |
392 | // security workaround added somewhere in 5.8.x. |
389 | // security workaround added somewhere in 5.8.x. |
393 | // that randomises hash orderings |
390 | // that randomises hash orderings |
394 | if (enc->flags & F_CANONICAL) |
391 | if (enc->json.flags & F_CANONICAL) |
395 | { |
392 | { |
396 | int fast = 1; |
393 | int fast = 1; |
397 | HE *he; |
394 | HE *he; |
398 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
395 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
399 | HE **hes = _alloca (count * sizeof (HE)); |
396 | HE **hes = _alloca (count * sizeof (HE)); |
… | |
… | |
488 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
485 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
489 | { |
486 | { |
490 | // not yet |
487 | // not yet |
491 | } |
488 | } |
492 | #endif |
489 | #endif |
493 | if (enc->flags & F_CONV_BLESSED) |
490 | if (enc->json.flags & F_CONV_BLESSED) |
494 | { |
491 | { |
495 | // we re-bless the reference to get overload and other niceties right |
492 | // we re-bless the reference to get overload and other niceties right |
496 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 1); |
493 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 1); |
497 | |
494 | |
498 | if (to_json) |
495 | if (to_json) |
499 | { |
496 | { |
500 | dSP; |
497 | dSP; ENTER; SAVETMPS; PUSHMARK (SP); |
501 | ENTER; |
|
|
502 | SAVETMPS; |
|
|
503 | PUSHMARK (SP); |
|
|
504 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
498 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
505 | |
499 | |
506 | // calling with G_SCALAR ensures that we always get a 1 reutrn value |
500 | // calling with G_SCALAR ensures that we always get a 1 reutrn value |
507 | // check anyways. |
501 | // check anyways. |
508 | PUTBACK; |
502 | PUTBACK; |
509 | assert (1 == call_sv ((SV *)GvCV (to_json), G_SCALAR)); |
503 | assert (1 == call_sv ((SV *)GvCV (to_json), G_SCALAR)); |
510 | SPAGAIN; |
504 | SPAGAIN; |
511 | |
505 | |
512 | encode_sv (enc, POPs); |
506 | encode_sv (enc, POPs); |
513 | |
507 | |
514 | FREETMPS; |
508 | FREETMPS; LEAVE; |
515 | LEAVE; |
|
|
516 | } |
509 | } |
517 | else if (enc->flags & F_ALLOW_BLESSED) |
510 | else if (enc->json.flags & F_ALLOW_BLESSED) |
518 | encode_str (enc, "null", 4, 0); |
511 | encode_str (enc, "null", 4, 0); |
519 | else |
512 | else |
520 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
513 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
521 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
514 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
522 | } |
515 | } |
523 | else if (enc->flags & F_ALLOW_BLESSED) |
516 | else if (enc->json.flags & F_ALLOW_BLESSED) |
524 | encode_str (enc, "null", 4, 0); |
517 | encode_str (enc, "null", 4, 0); |
525 | else |
518 | else |
526 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
519 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
527 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
520 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
528 | } |
521 | } |
… | |
… | |
614 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
607 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
615 | SvPV_nolen (sv), SvFLAGS (sv)); |
608 | SvPV_nolen (sv), SvFLAGS (sv)); |
616 | } |
609 | } |
617 | |
610 | |
618 | static SV * |
611 | static SV * |
619 | encode_json (SV *scalar, U32 flags) |
612 | encode_json (SV *scalar, JSON *json) |
620 | { |
613 | { |
621 | enc_t enc; |
614 | enc_t enc; |
622 | |
615 | |
623 | if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
616 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
624 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
617 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
625 | |
618 | |
626 | enc.flags = flags; |
619 | enc.json = *json; |
627 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
620 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
628 | enc.cur = SvPVX (enc.sv); |
621 | enc.cur = SvPVX (enc.sv); |
629 | enc.end = SvEND (enc.sv); |
622 | enc.end = SvEND (enc.sv); |
630 | enc.indent = 0; |
623 | enc.indent = 0; |
631 | enc.maxdepth = DEC_DEPTH (flags); |
624 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
632 | |
625 | |
633 | SvPOK_only (enc.sv); |
626 | SvPOK_only (enc.sv); |
634 | encode_sv (&enc, scalar); |
627 | encode_sv (&enc, scalar); |
635 | |
628 | |
636 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
629 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
637 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
630 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
638 | |
631 | |
639 | if (!(flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
632 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
640 | SvUTF8_on (enc.sv); |
633 | SvUTF8_on (enc.sv); |
641 | |
634 | |
642 | if (enc.flags & F_SHRINK) |
635 | if (enc.json.flags & F_SHRINK) |
643 | shrink (enc.sv); |
636 | shrink (enc.sv); |
644 | |
637 | |
645 | return enc.sv; |
638 | return enc.sv; |
646 | } |
639 | } |
647 | |
640 | |
… | |
… | |
652 | typedef struct |
645 | typedef struct |
653 | { |
646 | { |
654 | char *cur; // current parser pointer |
647 | char *cur; // current parser pointer |
655 | char *end; // end of input string |
648 | char *end; // end of input string |
656 | const char *err; // parse error, if != 0 |
649 | const char *err; // parse error, if != 0 |
657 | U32 flags; // F_* |
650 | JSON json; |
658 | U32 depth; // recursion depth |
651 | U32 depth; // recursion depth |
659 | U32 maxdepth; // recursion depth limit |
652 | U32 maxdepth; // recursion depth limit |
660 | } dec_t; |
653 | } dec_t; |
661 | |
654 | |
662 | inline void |
655 | inline void |
… | |
… | |
1013 | } |
1006 | } |
1014 | |
1007 | |
1015 | static SV * |
1008 | static SV * |
1016 | decode_hv (dec_t *dec) |
1009 | decode_hv (dec_t *dec) |
1017 | { |
1010 | { |
|
|
1011 | SV *sv; |
1018 | HV *hv = newHV (); |
1012 | HV *hv = newHV (); |
1019 | |
1013 | |
1020 | DEC_INC_DEPTH; |
1014 | DEC_INC_DEPTH; |
1021 | decode_ws (dec); |
1015 | decode_ws (dec); |
1022 | |
1016 | |
1023 | if (*dec->cur == '}') |
1017 | if (*dec->cur == '}') |
1024 | ++dec->cur; |
1018 | ++dec->cur; |
1025 | else |
1019 | else |
1026 | for (;;) |
1020 | for (;;) |
1027 | { |
1021 | { |
1028 | SV *key, *value; |
|
|
1029 | |
|
|
1030 | decode_ws (dec); EXPECT_CH ('"'); |
1022 | decode_ws (dec); EXPECT_CH ('"'); |
1031 | |
1023 | |
1032 | key = decode_str (dec); |
1024 | // heuristic: assume that |
1033 | if (!key) |
1025 | // a) decode_str + hv_store_ent are abysmally slow. |
1034 | goto fail; |
1026 | // b) most hash keys are short, simple ascii text. |
|
|
1027 | // => try to "fast-match" such strings to avoid |
|
|
1028 | // the overhead of decode_str + hv_store_ent. |
|
|
1029 | { |
|
|
1030 | SV *value; |
|
|
1031 | char *p = dec->cur; |
|
|
1032 | char *e = p + 24; // only try up to 24 bytes |
1035 | |
1033 | |
1036 | decode_ws (dec); EXPECT_CH (':'); |
1034 | for (;;) |
1037 | |
|
|
1038 | value = decode_sv (dec); |
|
|
1039 | if (!value) |
|
|
1040 | { |
1035 | { |
|
|
1036 | // the >= 0x80 is true on most architectures |
|
|
1037 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
|
|
1038 | { |
|
|
1039 | // slow path, back up and use decode_str |
|
|
1040 | SV *key = decode_str (dec); |
|
|
1041 | if (!key) |
|
|
1042 | goto fail; |
|
|
1043 | |
|
|
1044 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1045 | |
|
|
1046 | value = decode_sv (dec); |
|
|
1047 | if (!value) |
|
|
1048 | { |
|
|
1049 | SvREFCNT_dec (key); |
|
|
1050 | goto fail; |
|
|
1051 | } |
|
|
1052 | |
|
|
1053 | hv_store_ent (hv, key, value, 0); |
1041 | SvREFCNT_dec (key); |
1054 | SvREFCNT_dec (key); |
|
|
1055 | |
|
|
1056 | break; |
|
|
1057 | } |
|
|
1058 | else if (*p == '"') |
|
|
1059 | { |
|
|
1060 | // fast path, got a simple key |
|
|
1061 | char *key = dec->cur; |
|
|
1062 | int len = p - key; |
|
|
1063 | dec->cur = p + 1; |
|
|
1064 | |
|
|
1065 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1066 | |
|
|
1067 | value = decode_sv (dec); |
|
|
1068 | if (!value) |
1042 | goto fail; |
1069 | goto fail; |
|
|
1070 | |
|
|
1071 | hv_store (hv, key, len, value, 0); |
|
|
1072 | |
|
|
1073 | break; |
|
|
1074 | } |
|
|
1075 | |
|
|
1076 | ++p; |
1043 | } |
1077 | } |
1044 | |
1078 | } |
1045 | hv_store_ent (hv, key, value, 0); |
|
|
1046 | SvREFCNT_dec (key); |
|
|
1047 | |
1079 | |
1048 | decode_ws (dec); |
1080 | decode_ws (dec); |
1049 | |
1081 | |
1050 | if (*dec->cur == '}') |
1082 | if (*dec->cur == '}') |
1051 | { |
1083 | { |
… | |
… | |
1058 | |
1090 | |
1059 | ++dec->cur; |
1091 | ++dec->cur; |
1060 | } |
1092 | } |
1061 | |
1093 | |
1062 | DEC_DEC_DEPTH; |
1094 | DEC_DEC_DEPTH; |
|
|
1095 | sv = newRV_noinc ((SV *)hv); |
|
|
1096 | |
|
|
1097 | // check filter callbacks |
|
|
1098 | if (dec->json.flags & F_HOOK) |
|
|
1099 | { |
|
|
1100 | ENTER; SAVETMPS; |
|
|
1101 | |
|
|
1102 | if (HvKEYS (hv) == 1 && dec->json.cb_sk_object) |
|
|
1103 | { |
|
|
1104 | int count; |
|
|
1105 | |
|
|
1106 | dSP; PUSHMARK (SP); |
|
|
1107 | XPUSHs (sv_2mortal (sv)); |
|
|
1108 | |
|
|
1109 | PUTBACK; count = call_sv (dec->json.cb_sk_object, G_ARRAY); SPAGAIN; |
|
|
1110 | |
|
|
1111 | if (count == 1) |
|
|
1112 | sv = newSVsv (POPs); |
|
|
1113 | else |
|
|
1114 | SvREFCNT_inc (sv); |
|
|
1115 | } |
|
|
1116 | |
|
|
1117 | if (dec->json.cb_object) |
|
|
1118 | { |
|
|
1119 | int count; |
|
|
1120 | |
|
|
1121 | dSP; ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
1122 | XPUSHs (sv_2mortal (sv)); |
|
|
1123 | |
|
|
1124 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
|
|
1125 | |
|
|
1126 | if (count == 1) |
|
|
1127 | sv = newSVsv (POPs); |
|
|
1128 | else |
|
|
1129 | SvREFCNT_inc (sv); |
|
|
1130 | } |
|
|
1131 | |
|
|
1132 | FREETMPS; LEAVE; |
|
|
1133 | } |
|
|
1134 | |
1063 | return newRV_noinc ((SV *)hv); |
1135 | return newRV_noinc ((SV *)hv); |
1064 | |
1136 | |
1065 | fail: |
1137 | fail: |
1066 | SvREFCNT_dec (hv); |
1138 | SvREFCNT_dec (hv); |
1067 | DEC_DEC_DEPTH; |
1139 | DEC_DEC_DEPTH; |
… | |
… | |
1127 | fail: |
1199 | fail: |
1128 | return 0; |
1200 | return 0; |
1129 | } |
1201 | } |
1130 | |
1202 | |
1131 | static SV * |
1203 | static SV * |
1132 | decode_json (SV *string, U32 flags, UV *offset_return) |
1204 | decode_json (SV *string, JSON *json, UV *offset_return) |
1133 | { |
1205 | { |
1134 | dec_t dec; |
1206 | dec_t dec; |
1135 | UV offset; |
1207 | UV offset; |
1136 | SV *sv; |
1208 | SV *sv; |
1137 | |
1209 | |
1138 | SvGETMAGIC (string); |
1210 | SvGETMAGIC (string); |
1139 | SvUPGRADE (string, SVt_PV); |
1211 | SvUPGRADE (string, SVt_PV); |
1140 | |
1212 | |
1141 | if (flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (flags)) |
1213 | if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags)) |
1142 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1214 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1143 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (flags)); |
1215 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags)); |
1144 | |
1216 | |
1145 | if (flags & F_UTF8) |
1217 | if (json->flags & F_UTF8) |
1146 | sv_utf8_downgrade (string, 0); |
1218 | sv_utf8_downgrade (string, 0); |
1147 | else |
1219 | else |
1148 | sv_utf8_upgrade (string); |
1220 | sv_utf8_upgrade (string); |
1149 | |
1221 | |
1150 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1222 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1151 | |
1223 | |
1152 | dec.flags = flags; |
1224 | dec.json = *json; |
1153 | dec.cur = SvPVX (string); |
1225 | dec.cur = SvPVX (string); |
1154 | dec.end = SvEND (string); |
1226 | dec.end = SvEND (string); |
1155 | dec.err = 0; |
1227 | dec.err = 0; |
1156 | dec.depth = 0; |
1228 | dec.depth = 0; |
1157 | dec.maxdepth = DEC_DEPTH (dec.flags); |
1229 | dec.maxdepth = DEC_DEPTH (dec.json.flags); |
|
|
1230 | |
|
|
1231 | if (dec.json.cb_object || dec.json.cb_sk_object) |
|
|
1232 | dec.json.flags |= F_HOOK; |
1158 | |
1233 | |
1159 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1234 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1160 | sv = decode_sv (&dec); |
1235 | sv = decode_sv (&dec); |
1161 | |
1236 | |
1162 | if (!(offset_return || !sv)) |
1237 | if (!(offset_return || !sv)) |
… | |
… | |
1172 | } |
1247 | } |
1173 | } |
1248 | } |
1174 | |
1249 | |
1175 | if (offset_return || !sv) |
1250 | if (offset_return || !sv) |
1176 | { |
1251 | { |
1177 | offset = dec.flags & F_UTF8 |
1252 | offset = dec.json.flags & F_UTF8 |
1178 | ? dec.cur - SvPVX (string) |
1253 | ? dec.cur - SvPVX (string) |
1179 | : utf8_distance (dec.cur, SvPVX (string)); |
1254 | : utf8_distance (dec.cur, SvPVX (string)); |
1180 | |
1255 | |
1181 | if (offset_return) |
1256 | if (offset_return) |
1182 | *offset_return = offset; |
1257 | *offset_return = offset; |
… | |
… | |
1201 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1276 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1202 | } |
1277 | } |
1203 | |
1278 | |
1204 | sv = sv_2mortal (sv); |
1279 | sv = sv_2mortal (sv); |
1205 | |
1280 | |
1206 | if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1281 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1207 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1282 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1208 | |
1283 | |
1209 | return sv; |
1284 | return sv; |
1210 | } |
1285 | } |
1211 | |
1286 | |
… | |
… | |
1232 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1307 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1233 | } |
1308 | } |
1234 | |
1309 | |
1235 | PROTOTYPES: DISABLE |
1310 | PROTOTYPES: DISABLE |
1236 | |
1311 | |
1237 | SV *new (char *dummy) |
1312 | void new (char *klass) |
1238 | CODE: |
1313 | PPCODE: |
1239 | RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash); |
1314 | { |
1240 | OUTPUT: |
1315 | SV *pv = NEWSV (0, sizeof (JSON)); |
1241 | RETVAL |
1316 | SvPOK_only (pv); |
|
|
1317 | Zero (SvPVX (pv), 1, JSON); |
|
|
1318 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
|
|
1319 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), json_stash))); |
|
|
1320 | } |
1242 | |
1321 | |
1243 | SV *ascii (SV *self, int enable = 1) |
1322 | void ascii (JSON *self, int enable = 1) |
1244 | ALIAS: |
1323 | ALIAS: |
1245 | ascii = F_ASCII |
1324 | ascii = F_ASCII |
1246 | latin1 = F_LATIN1 |
1325 | latin1 = F_LATIN1 |
1247 | utf8 = F_UTF8 |
1326 | utf8 = F_UTF8 |
1248 | indent = F_INDENT |
1327 | indent = F_INDENT |
… | |
… | |
1252 | pretty = F_PRETTY |
1331 | pretty = F_PRETTY |
1253 | allow_nonref = F_ALLOW_NONREF |
1332 | allow_nonref = F_ALLOW_NONREF |
1254 | shrink = F_SHRINK |
1333 | shrink = F_SHRINK |
1255 | allow_blessed = F_ALLOW_BLESSED |
1334 | allow_blessed = F_ALLOW_BLESSED |
1256 | convert_blessed = F_CONV_BLESSED |
1335 | convert_blessed = F_CONV_BLESSED |
1257 | CODE: |
1336 | PPCODE: |
1258 | { |
1337 | { |
1259 | UV *uv = SvJSON (self); |
|
|
1260 | if (enable) |
1338 | if (enable) |
1261 | *uv |= ix; |
1339 | self->flags |= ix; |
1262 | else |
1340 | else |
1263 | *uv &= ~ix; |
1341 | self->flags &= ~ix; |
1264 | |
1342 | |
1265 | RETVAL = newSVsv (self); |
1343 | XPUSHs (ST (0)); |
1266 | } |
1344 | } |
1267 | OUTPUT: |
|
|
1268 | RETVAL |
|
|
1269 | |
1345 | |
1270 | SV *max_depth (SV *self, UV max_depth = 0x80000000UL) |
1346 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1271 | CODE: |
1347 | PPCODE: |
1272 | { |
1348 | { |
1273 | UV *uv = SvJSON (self); |
|
|
1274 | UV log2 = 0; |
1349 | UV log2 = 0; |
1275 | |
1350 | |
1276 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1351 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1277 | |
1352 | |
1278 | while ((1UL << log2) < max_depth) |
1353 | while ((1UL << log2) < max_depth) |
1279 | ++log2; |
1354 | ++log2; |
1280 | |
1355 | |
1281 | *uv = *uv & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1356 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1282 | |
1357 | |
1283 | RETVAL = newSVsv (self); |
1358 | XPUSHs (ST (0)); |
1284 | } |
1359 | } |
1285 | OUTPUT: |
|
|
1286 | RETVAL |
|
|
1287 | |
1360 | |
1288 | SV *max_size (SV *self, UV max_size = 0) |
1361 | void max_size (JSON *self, UV max_size = 0) |
1289 | CODE: |
1362 | PPCODE: |
1290 | { |
1363 | { |
1291 | UV *uv = SvJSON (self); |
|
|
1292 | UV log2 = 0; |
1364 | UV log2 = 0; |
1293 | |
1365 | |
1294 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
1366 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
1295 | if (max_size == 1) max_size = 2; |
1367 | if (max_size == 1) max_size = 2; |
1296 | |
1368 | |
1297 | while ((1UL << log2) < max_size) |
1369 | while ((1UL << log2) < max_size) |
1298 | ++log2; |
1370 | ++log2; |
1299 | |
1371 | |
1300 | *uv = *uv & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
1372 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
1301 | |
1373 | |
1302 | RETVAL = newSVsv (self); |
1374 | XPUSHs (ST (0)); |
1303 | } |
1375 | } |
1304 | OUTPUT: |
|
|
1305 | RETVAL |
|
|
1306 | |
1376 | |
1307 | void encode (SV *self, SV *scalar) |
1377 | void filter_json_objects (JSON *self, SV *cb = &PL_sv_undef) |
|
|
1378 | ALIAS: |
|
|
1379 | filter_sk_json_objects = 1 |
1308 | PPCODE: |
1380 | PPCODE: |
1309 | XPUSHs (encode_json (scalar, *SvJSON (self))); |
1381 | { |
|
|
1382 | if (!SvOK (cb)) |
|
|
1383 | cb = 0; |
1310 | |
1384 | |
|
|
1385 | switch (ix) |
|
|
1386 | { |
|
|
1387 | case 0: self->cb_object = cb; break; |
|
|
1388 | case 1: self->cb_sk_object = cb; break; |
|
|
1389 | } |
|
|
1390 | |
|
|
1391 | XPUSHs (ST (0)); |
|
|
1392 | } |
|
|
1393 | |
1311 | void decode (SV *self, SV *jsonstr) |
1394 | void encode (JSON *self, SV *scalar) |
1312 | PPCODE: |
1395 | PPCODE: |
|
|
1396 | XPUSHs (encode_json (scalar, self)); |
|
|
1397 | |
|
|
1398 | void decode (JSON *self, SV *jsonstr) |
|
|
1399 | PPCODE: |
1313 | XPUSHs (decode_json (jsonstr, *SvJSON (self), 0)); |
1400 | XPUSHs (decode_json (jsonstr, self, 0)); |
1314 | |
1401 | |
1315 | void decode_prefix (SV *self, SV *jsonstr) |
1402 | void decode_prefix (JSON *self, SV *jsonstr) |
1316 | PPCODE: |
1403 | PPCODE: |
1317 | { |
1404 | { |
1318 | UV offset; |
1405 | UV offset; |
1319 | EXTEND (SP, 2); |
1406 | EXTEND (SP, 2); |
1320 | PUSHs (decode_json (jsonstr, *SvJSON (self), &offset)); |
1407 | PUSHs (decode_json (jsonstr, self, &offset)); |
1321 | PUSHs (sv_2mortal (newSVuv (offset))); |
1408 | PUSHs (sv_2mortal (newSVuv (offset))); |
1322 | } |
1409 | } |
1323 | |
1410 | |
1324 | PROTOTYPES: ENABLE |
1411 | PROTOTYPES: ENABLE |
1325 | |
1412 | |
1326 | void to_json (SV *scalar) |
1413 | void to_json (SV *scalar) |
1327 | ALIAS: |
|
|
1328 | objToJson = 0 |
|
|
1329 | PPCODE: |
1414 | PPCODE: |
|
|
1415 | { |
|
|
1416 | JSON json = { F_DEFAULT | F_UTF8 }; |
1330 | XPUSHs (encode_json (scalar, F_DEFAULT | F_UTF8)); |
1417 | XPUSHs (encode_json (scalar, &json)); |
|
|
1418 | } |
1331 | |
1419 | |
1332 | void from_json (SV *jsonstr) |
1420 | void from_json (SV *jsonstr) |
1333 | ALIAS: |
|
|
1334 | jsonToObj = 0 |
|
|
1335 | PPCODE: |
1421 | PPCODE: |
|
|
1422 | { |
|
|
1423 | JSON json = { F_DEFAULT | F_UTF8 }; |
1336 | XPUSHs (decode_json (jsonstr, F_DEFAULT | F_UTF8, 0)); |
1424 | XPUSHs (decode_json (jsonstr, &json, 0)); |
|
|
1425 | } |
1337 | |
1426 | |