1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | #include "assert.h" |
5 | #include <assert.h> |
6 | #include "string.h" |
6 | #include <string.h> |
7 | #include "stdlib.h" |
7 | #include <stdlib.h> |
8 | #include "stdio.h" |
8 | #include <stdio.h> |
|
|
9 | #include <float.h> |
9 | |
10 | |
10 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
11 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
11 | # define snprintf _snprintf // C compilers have this in stdio.h |
12 | # define snprintf _snprintf // C compilers have this in stdio.h |
12 | #endif |
13 | #endif |
13 | |
14 | |
… | |
… | |
26 | #define F_SPACE_AFTER 0x00000040UL |
27 | #define F_SPACE_AFTER 0x00000040UL |
27 | #define F_ALLOW_NONREF 0x00000100UL |
28 | #define F_ALLOW_NONREF 0x00000100UL |
28 | #define F_SHRINK 0x00000200UL |
29 | #define F_SHRINK 0x00000200UL |
29 | #define F_ALLOW_BLESSED 0x00000400UL |
30 | #define F_ALLOW_BLESSED 0x00000400UL |
30 | #define F_CONV_BLESSED 0x00000800UL |
31 | #define F_CONV_BLESSED 0x00000800UL |
|
|
32 | #define F_RELAXED 0x00001000UL |
|
|
33 | |
31 | #define F_MAXDEPTH 0xf8000000UL |
34 | #define F_MAXDEPTH 0xf8000000UL |
32 | #define S_MAXDEPTH 27 |
35 | #define S_MAXDEPTH 27 |
33 | #define F_MAXSIZE 0x01f00000UL |
36 | #define F_MAXSIZE 0x01f00000UL |
34 | #define S_MAXSIZE 20 |
37 | #define S_MAXSIZE 20 |
35 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
… | |
… | |
56 | # define inline static |
59 | # define inline static |
57 | #endif |
60 | #endif |
58 | |
61 | |
59 | #define expect_false(expr) expect ((expr) != 0, 0) |
62 | #define expect_false(expr) expect ((expr) != 0, 0) |
60 | #define expect_true(expr) expect ((expr) != 0, 1) |
63 | #define expect_true(expr) expect ((expr) != 0, 1) |
|
|
64 | |
|
|
65 | #ifdef USE_ITHREADS |
|
|
66 | # define JSON_SLOW 1 |
|
|
67 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
|
|
68 | #else |
|
|
69 | # define JSON_SLOW 0 |
|
|
70 | # define JSON_STASH json_stash |
|
|
71 | #endif |
61 | |
72 | |
62 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
73 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
63 | static SV *json_true, *json_false; |
74 | static SV *json_true, *json_false; |
64 | |
75 | |
65 | typedef struct { |
76 | typedef struct { |
… | |
… | |
301 | int i, len = av_len (av); |
312 | int i, len = av_len (av); |
302 | |
313 | |
303 | if (enc->indent >= enc->maxdepth) |
314 | if (enc->indent >= enc->maxdepth) |
304 | croak ("data structure too deep (hit recursion limit)"); |
315 | croak ("data structure too deep (hit recursion limit)"); |
305 | |
316 | |
306 | encode_ch (enc, '['); encode_nl (enc); |
317 | encode_ch (enc, '['); |
307 | ++enc->indent; |
318 | |
|
|
319 | if (len >= 0) |
|
|
320 | { |
|
|
321 | encode_nl (enc); ++enc->indent; |
308 | |
322 | |
309 | for (i = 0; i <= len; ++i) |
323 | for (i = 0; i <= len; ++i) |
310 | { |
324 | { |
311 | SV **svp = av_fetch (av, i, 0); |
325 | SV **svp = av_fetch (av, i, 0); |
312 | |
326 | |
313 | encode_indent (enc); |
327 | encode_indent (enc); |
314 | |
328 | |
315 | if (svp) |
329 | if (svp) |
316 | encode_sv (enc, *svp); |
330 | encode_sv (enc, *svp); |
317 | else |
331 | else |
318 | encode_str (enc, "null", 4, 0); |
332 | encode_str (enc, "null", 4, 0); |
319 | |
333 | |
320 | if (i < len) |
334 | if (i < len) |
321 | encode_comma (enc); |
335 | encode_comma (enc); |
322 | } |
336 | } |
323 | |
337 | |
|
|
338 | encode_nl (enc); --enc->indent; encode_indent (enc); |
|
|
339 | } |
|
|
340 | |
324 | encode_nl (enc); |
341 | encode_ch (enc, ']'); |
325 | |
|
|
326 | --enc->indent; |
|
|
327 | encode_indent (enc); encode_ch (enc, ']'); |
|
|
328 | } |
342 | } |
329 | |
343 | |
330 | static void |
344 | static void |
331 | encode_he (enc_t *enc, HE *he) |
345 | encode_hk (enc_t *enc, HE *he) |
332 | { |
346 | { |
333 | encode_ch (enc, '"'); |
347 | encode_ch (enc, '"'); |
334 | |
348 | |
335 | if (HeKLEN (he) == HEf_SVKEY) |
349 | if (HeKLEN (he) == HEf_SVKEY) |
336 | { |
350 | { |
… | |
… | |
349 | encode_ch (enc, '"'); |
363 | encode_ch (enc, '"'); |
350 | |
364 | |
351 | if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc); |
365 | if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc); |
352 | encode_ch (enc, ':'); |
366 | encode_ch (enc, ':'); |
353 | if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc); |
367 | if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc); |
354 | encode_sv (enc, HeVAL (he)); |
|
|
355 | } |
368 | } |
356 | |
369 | |
357 | // compare hash entries, used when all keys are bytestrings |
370 | // compare hash entries, used when all keys are bytestrings |
358 | static int |
371 | static int |
359 | he_cmp_fast (const void *a_, const void *b_) |
372 | he_cmp_fast (const void *a_, const void *b_) |
… | |
… | |
364 | HE *b = *(HE **)b_; |
377 | HE *b = *(HE **)b_; |
365 | |
378 | |
366 | STRLEN la = HeKLEN (a); |
379 | STRLEN la = HeKLEN (a); |
367 | STRLEN lb = HeKLEN (b); |
380 | STRLEN lb = HeKLEN (b); |
368 | |
381 | |
369 | if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb))) |
382 | if (!(cmp = memcmp (HeKEY (b), HeKEY (a), lb < la ? lb : la))) |
370 | cmp = la - lb; |
383 | cmp = lb - la; |
371 | |
384 | |
372 | return cmp; |
385 | return cmp; |
373 | } |
386 | } |
374 | |
387 | |
375 | // compare hash entries, used when some keys are sv's or utf-x |
388 | // compare hash entries, used when some keys are sv's or utf-x |
376 | static int |
389 | static int |
377 | he_cmp_slow (const void *a, const void *b) |
390 | he_cmp_slow (const void *a, const void *b) |
378 | { |
391 | { |
379 | return sv_cmp (HeSVKEY_force (*(HE **)a), HeSVKEY_force (*(HE **)b)); |
392 | return sv_cmp (HeSVKEY_force (*(HE **)b), HeSVKEY_force (*(HE **)a)); |
380 | } |
393 | } |
381 | |
394 | |
382 | static void |
395 | static void |
383 | encode_hv (enc_t *enc, HV *hv) |
396 | encode_hv (enc_t *enc, HV *hv) |
384 | { |
397 | { |
|
|
398 | HE *he; |
385 | int count, i; |
399 | int count; |
386 | |
400 | |
387 | if (enc->indent >= enc->maxdepth) |
401 | if (enc->indent >= enc->maxdepth) |
388 | croak ("data structure too deep (hit recursion limit)"); |
402 | croak ("data structure too deep (hit recursion limit)"); |
389 | |
403 | |
390 | encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
404 | encode_ch (enc, '{'); |
391 | |
405 | |
392 | if ((count = hv_iterinit (hv))) |
|
|
393 | { |
|
|
394 | // for canonical output we have to sort by keys first |
406 | // for canonical output we have to sort by keys first |
395 | // actually, this is mostly due to the stupid so-called |
407 | // actually, this is mostly due to the stupid so-called |
396 | // security workaround added somewhere in 5.8.x. |
408 | // security workaround added somewhere in 5.8.x. |
397 | // that randomises hash orderings |
409 | // that randomises hash orderings |
398 | if (enc->json.flags & F_CANONICAL) |
410 | if (enc->json.flags & F_CANONICAL) |
|
|
411 | { |
|
|
412 | int count = hv_iterinit (hv); |
|
|
413 | |
|
|
414 | if (SvMAGICAL (hv)) |
399 | { |
415 | { |
|
|
416 | // need to count by iterating. could improve by dynamically building the vector below |
|
|
417 | // but I don't care for the speed of this special case. |
|
|
418 | // note also that we will run into undefined behaviour when the two iterations |
|
|
419 | // do not result in the same count, something I might care for in some later release. |
|
|
420 | |
|
|
421 | count = 0; |
|
|
422 | while (hv_iternext (hv)) |
|
|
423 | ++count; |
|
|
424 | |
|
|
425 | hv_iterinit (hv); |
|
|
426 | } |
|
|
427 | |
|
|
428 | if (count) |
|
|
429 | { |
400 | int fast = 1; |
430 | int i, fast = 1; |
401 | HE *he; |
|
|
402 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
431 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
403 | HE **hes = _alloca (count * sizeof (HE)); |
432 | HE **hes = _alloca (count * sizeof (HE)); |
404 | #else |
433 | #else |
405 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
434 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
406 | #endif |
435 | #endif |
… | |
… | |
433 | |
462 | |
434 | FREETMPS; |
463 | FREETMPS; |
435 | LEAVE; |
464 | LEAVE; |
436 | } |
465 | } |
437 | |
466 | |
438 | for (i = 0; i < count; ++i) |
467 | encode_nl (enc); ++enc->indent; |
|
|
468 | |
|
|
469 | while (count--) |
439 | { |
470 | { |
440 | encode_indent (enc); |
471 | encode_indent (enc); |
|
|
472 | he = hes [count]; |
441 | encode_he (enc, hes [i]); |
473 | encode_hk (enc, he); |
|
|
474 | encode_sv (enc, expect_false (SvMAGICAL (hv)) ? hv_iterval (hv, he) : HeVAL (he)); |
442 | |
475 | |
443 | if (i < count - 1) |
476 | if (count) |
444 | encode_comma (enc); |
477 | encode_comma (enc); |
445 | } |
478 | } |
446 | |
479 | |
447 | encode_nl (enc); |
480 | encode_nl (enc); --enc->indent; encode_indent (enc); |
448 | } |
481 | } |
|
|
482 | } |
449 | else |
483 | else |
|
|
484 | { |
|
|
485 | if (hv_iterinit (hv) || SvMAGICAL (hv)) |
|
|
486 | if ((he = hv_iternext (hv))) |
450 | { |
487 | { |
451 | HE *he = hv_iternext (hv); |
488 | encode_nl (enc); ++enc->indent; |
452 | |
489 | |
453 | for (;;) |
490 | for (;;) |
454 | { |
491 | { |
455 | encode_indent (enc); |
492 | encode_indent (enc); |
456 | encode_he (enc, he); |
493 | encode_hk (enc, he); |
|
|
494 | encode_sv (enc, expect_false (SvMAGICAL (hv)) ? hv_iterval (hv, he) : HeVAL (he)); |
457 | |
495 | |
458 | if (!(he = hv_iternext (hv))) |
496 | if (!(he = hv_iternext (hv))) |
459 | break; |
497 | break; |
460 | |
498 | |
461 | encode_comma (enc); |
499 | encode_comma (enc); |
462 | } |
500 | } |
463 | |
501 | |
464 | encode_nl (enc); |
502 | encode_nl (enc); --enc->indent; encode_indent (enc); |
465 | } |
503 | } |
466 | } |
504 | } |
467 | |
505 | |
468 | --enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
506 | encode_ch (enc, '}'); |
469 | } |
507 | } |
470 | |
508 | |
471 | // encode objects, arrays and special \0=false and \1=true values. |
509 | // encode objects, arrays and special \0=false and \1=true values. |
472 | static void |
510 | static void |
473 | encode_rv (enc_t *enc, SV *sv) |
511 | encode_rv (enc_t *enc, SV *sv) |
… | |
… | |
477 | SvGETMAGIC (sv); |
515 | SvGETMAGIC (sv); |
478 | svt = SvTYPE (sv); |
516 | svt = SvTYPE (sv); |
479 | |
517 | |
480 | if (expect_false (SvOBJECT (sv))) |
518 | if (expect_false (SvOBJECT (sv))) |
481 | { |
519 | { |
|
|
520 | HV *stash = !JSON_SLOW || json_boolean_stash |
|
|
521 | ? json_boolean_stash |
|
|
522 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
523 | |
482 | if (SvSTASH (sv) == json_boolean_stash) |
524 | if (SvSTASH (sv) == stash) |
483 | { |
525 | { |
484 | if (SvIV (sv)) |
526 | if (SvIV (sv)) |
485 | encode_str (enc, "true", 4, 0); |
527 | encode_str (enc, "true", 4, 0); |
486 | else |
528 | else |
487 | encode_str (enc, "false", 5, 0); |
529 | encode_str (enc, "false", 5, 0); |
… | |
… | |
499 | // we re-bless the reference to get overload and other niceties right |
541 | // we re-bless the reference to get overload and other niceties right |
500 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
542 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
501 | |
543 | |
502 | if (to_json) |
544 | if (to_json) |
503 | { |
545 | { |
504 | int count; |
|
|
505 | dSP; |
546 | dSP; |
506 | |
547 | |
507 | ENTER; SAVETMPS; PUSHMARK (SP); |
548 | ENTER; SAVETMPS; PUSHMARK (SP); |
508 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
549 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
509 | |
550 | |
… | |
… | |
670 | U32 depth; // recursion depth |
711 | U32 depth; // recursion depth |
671 | U32 maxdepth; // recursion depth limit |
712 | U32 maxdepth; // recursion depth limit |
672 | } dec_t; |
713 | } dec_t; |
673 | |
714 | |
674 | inline void |
715 | inline void |
|
|
716 | decode_comment (dec_t *dec) |
|
|
717 | { |
|
|
718 | // only '#'-style comments allowed a.t.m. |
|
|
719 | |
|
|
720 | while (*dec->cur && *dec->cur != 0x0a && *dec->cur != 0x0d) |
|
|
721 | ++dec->cur; |
|
|
722 | } |
|
|
723 | |
|
|
724 | inline void |
675 | decode_ws (dec_t *dec) |
725 | decode_ws (dec_t *dec) |
676 | { |
726 | { |
677 | for (;;) |
727 | for (;;) |
678 | { |
728 | { |
679 | char ch = *dec->cur; |
729 | char ch = *dec->cur; |
680 | |
730 | |
681 | if (ch > 0x20 |
731 | if (ch > 0x20) |
|
|
732 | { |
|
|
733 | if (expect_false (ch == '#')) |
|
|
734 | { |
|
|
735 | if (dec->json.flags & F_RELAXED) |
|
|
736 | decode_comment (dec); |
|
|
737 | else |
|
|
738 | break; |
|
|
739 | } |
|
|
740 | else |
|
|
741 | break; |
|
|
742 | } |
682 | || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) |
743 | else if (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09) |
683 | break; |
744 | break; // parse error, but let higher level handle it, gives better error messages |
684 | |
745 | |
685 | ++dec->cur; |
746 | ++dec->cur; |
686 | } |
747 | } |
687 | } |
748 | } |
688 | |
749 | |
… | |
… | |
937 | is_nv = 1; |
998 | is_nv = 1; |
938 | } |
999 | } |
939 | |
1000 | |
940 | if (!is_nv) |
1001 | if (!is_nv) |
941 | { |
1002 | { |
|
|
1003 | int len = dec->cur - start; |
|
|
1004 | |
942 | // special case the rather common 1..4-digit-int case, assumes 32 bit ints or so |
1005 | // special case the rather common 1..4-digit-int case, assumes 32 bit ints or so |
943 | if (*start == '-') |
1006 | if (*start == '-') |
944 | switch (dec->cur - start) |
1007 | switch (len) |
945 | { |
1008 | { |
946 | case 2: return newSViv (-( start [1] - '0' * 1)); |
1009 | case 2: return newSViv (-( start [1] - '0' * 1)); |
947 | case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11)); |
1010 | case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11)); |
948 | case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
1011 | case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
949 | case 5: return newSViv (-(start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
1012 | case 5: return newSViv (-(start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
950 | } |
1013 | } |
951 | else |
1014 | else |
952 | switch (dec->cur - start) |
1015 | switch (len) |
953 | { |
1016 | { |
954 | case 1: return newSViv ( start [0] - '0' * 1); |
1017 | case 1: return newSViv ( start [0] - '0' * 1); |
955 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
1018 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
956 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
1019 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
957 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
1020 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
958 | } |
1021 | } |
959 | |
1022 | |
960 | { |
1023 | { |
961 | UV uv; |
1024 | UV uv; |
962 | int numtype = grok_number (start, dec->cur - start, &uv); |
1025 | int numtype = grok_number (start, len, &uv); |
963 | if (numtype & IS_NUMBER_IN_UV) |
1026 | if (numtype & IS_NUMBER_IN_UV) |
964 | if (numtype & IS_NUMBER_NEG) |
1027 | if (numtype & IS_NUMBER_NEG) |
965 | { |
1028 | { |
966 | if (uv < (UV)IV_MIN) |
1029 | if (uv < (UV)IV_MIN) |
967 | return newSViv (-(IV)uv); |
1030 | return newSViv (-(IV)uv); |
968 | } |
1031 | } |
969 | else |
1032 | else |
970 | return newSVuv (uv); |
1033 | return newSVuv (uv); |
971 | |
|
|
972 | // here would likely be the place for bigint support |
|
|
973 | } |
1034 | } |
974 | } |
|
|
975 | |
1035 | |
976 | // if we ever support bigint or bigfloat, this is the place for bigfloat |
1036 | len -= *start == '-' ? 1 : 0; |
|
|
1037 | |
|
|
1038 | // does not fit into IV or UV, try NV |
|
|
1039 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
|
|
1040 | #if defined (LDBL_DIG) |
|
|
1041 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1042 | #endif |
|
|
1043 | ) |
|
|
1044 | // fits into NV without loss of precision |
|
|
1045 | return newSVnv (Atof (start)); |
|
|
1046 | |
|
|
1047 | // everything else fails, convert it to a string |
|
|
1048 | return newSVpvn (start, dec->cur - start); |
|
|
1049 | } |
|
|
1050 | |
|
|
1051 | // loss of precision here |
977 | return newSVnv (Atof (start)); |
1052 | return newSVnv (Atof (start)); |
978 | |
1053 | |
979 | fail: |
1054 | fail: |
980 | return 0; |
1055 | return 0; |
981 | } |
1056 | } |
… | |
… | |
1011 | |
1086 | |
1012 | if (*dec->cur != ',') |
1087 | if (*dec->cur != ',') |
1013 | ERR (", or ] expected while parsing array"); |
1088 | ERR (", or ] expected while parsing array"); |
1014 | |
1089 | |
1015 | ++dec->cur; |
1090 | ++dec->cur; |
|
|
1091 | |
|
|
1092 | decode_ws (dec); |
|
|
1093 | |
|
|
1094 | if (*dec->cur == ']' && dec->json.flags & F_RELAXED) |
|
|
1095 | { |
|
|
1096 | ++dec->cur; |
|
|
1097 | break; |
|
|
1098 | } |
1016 | } |
1099 | } |
1017 | |
1100 | |
1018 | DEC_DEC_DEPTH; |
1101 | DEC_DEC_DEPTH; |
1019 | return newRV_noinc ((SV *)av); |
1102 | return newRV_noinc ((SV *)av); |
1020 | |
1103 | |
… | |
… | |
1036 | if (*dec->cur == '}') |
1119 | if (*dec->cur == '}') |
1037 | ++dec->cur; |
1120 | ++dec->cur; |
1038 | else |
1121 | else |
1039 | for (;;) |
1122 | for (;;) |
1040 | { |
1123 | { |
1041 | decode_ws (dec); EXPECT_CH ('"'); |
1124 | EXPECT_CH ('"'); |
1042 | |
1125 | |
1043 | // heuristic: assume that |
1126 | // heuristic: assume that |
1044 | // a) decode_str + hv_store_ent are abysmally slow. |
1127 | // a) decode_str + hv_store_ent are abysmally slow. |
1045 | // b) most hash keys are short, simple ascii text. |
1128 | // b) most hash keys are short, simple ascii text. |
1046 | // => try to "fast-match" such strings to avoid |
1129 | // => try to "fast-match" such strings to avoid |
… | |
… | |
1060 | if (!key) |
1143 | if (!key) |
1061 | goto fail; |
1144 | goto fail; |
1062 | |
1145 | |
1063 | decode_ws (dec); EXPECT_CH (':'); |
1146 | decode_ws (dec); EXPECT_CH (':'); |
1064 | |
1147 | |
|
|
1148 | decode_ws (dec); |
1065 | value = decode_sv (dec); |
1149 | value = decode_sv (dec); |
1066 | if (!value) |
1150 | if (!value) |
1067 | { |
1151 | { |
1068 | SvREFCNT_dec (key); |
1152 | SvREFCNT_dec (key); |
1069 | goto fail; |
1153 | goto fail; |
… | |
… | |
1081 | int len = p - key; |
1165 | int len = p - key; |
1082 | dec->cur = p + 1; |
1166 | dec->cur = p + 1; |
1083 | |
1167 | |
1084 | decode_ws (dec); EXPECT_CH (':'); |
1168 | decode_ws (dec); EXPECT_CH (':'); |
1085 | |
1169 | |
|
|
1170 | decode_ws (dec); |
1086 | value = decode_sv (dec); |
1171 | value = decode_sv (dec); |
1087 | if (!value) |
1172 | if (!value) |
1088 | goto fail; |
1173 | goto fail; |
1089 | |
1174 | |
1090 | hv_store (hv, key, len, value, 0); |
1175 | hv_store (hv, key, len, value, 0); |
… | |
… | |
1106 | |
1191 | |
1107 | if (*dec->cur != ',') |
1192 | if (*dec->cur != ',') |
1108 | ERR (", or } expected while parsing object/hash"); |
1193 | ERR (", or } expected while parsing object/hash"); |
1109 | |
1194 | |
1110 | ++dec->cur; |
1195 | ++dec->cur; |
|
|
1196 | |
|
|
1197 | decode_ws (dec); |
|
|
1198 | |
|
|
1199 | if (*dec->cur == '}' && dec->json.flags & F_RELAXED) |
|
|
1200 | { |
|
|
1201 | ++dec->cur; |
|
|
1202 | break; |
|
|
1203 | } |
1111 | } |
1204 | } |
1112 | |
1205 | |
1113 | DEC_DEC_DEPTH; |
1206 | DEC_DEC_DEPTH; |
1114 | sv = newRV_noinc ((SV *)hv); |
1207 | sv = newRV_noinc ((SV *)hv); |
1115 | |
1208 | |
… | |
… | |
1180 | } |
1273 | } |
1181 | |
1274 | |
1182 | static SV * |
1275 | static SV * |
1183 | decode_sv (dec_t *dec) |
1276 | decode_sv (dec_t *dec) |
1184 | { |
1277 | { |
1185 | decode_ws (dec); |
|
|
1186 | |
|
|
1187 | // the beauty of JSON: you need exactly one character lookahead |
1278 | // the beauty of JSON: you need exactly one character lookahead |
1188 | // to parse anything. |
1279 | // to parse anything. |
1189 | switch (*dec->cur) |
1280 | switch (*dec->cur) |
1190 | { |
1281 | { |
1191 | case '"': ++dec->cur; return decode_str (dec); |
1282 | case '"': ++dec->cur; return decode_str (dec); |
… | |
… | |
1199 | |
1290 | |
1200 | case 't': |
1291 | case 't': |
1201 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1292 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1202 | { |
1293 | { |
1203 | dec->cur += 4; |
1294 | dec->cur += 4; |
|
|
1295 | #if JSON_SLOW |
|
|
1296 | json_true = get_sv ("JSON::XS::true", 1); SvREADONLY_on (json_true); |
|
|
1297 | #endif |
1204 | return SvREFCNT_inc (json_true); |
1298 | return SvREFCNT_inc (json_true); |
1205 | } |
1299 | } |
1206 | else |
1300 | else |
1207 | ERR ("'true' expected"); |
1301 | ERR ("'true' expected"); |
1208 | |
1302 | |
… | |
… | |
1210 | |
1304 | |
1211 | case 'f': |
1305 | case 'f': |
1212 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1306 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1213 | { |
1307 | { |
1214 | dec->cur += 5; |
1308 | dec->cur += 5; |
|
|
1309 | #if JSON_SLOW |
|
|
1310 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
|
|
1311 | #endif |
1215 | return SvREFCNT_inc (json_false); |
1312 | return SvREFCNT_inc (json_false); |
1216 | } |
1313 | } |
1217 | else |
1314 | else |
1218 | ERR ("'false' expected"); |
1315 | ERR ("'false' expected"); |
1219 | |
1316 | |
… | |
… | |
1269 | |
1366 | |
1270 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1367 | if (dec.json.cb_object || dec.json.cb_sk_object) |
1271 | dec.json.flags |= F_HOOK; |
1368 | dec.json.flags |= F_HOOK; |
1272 | |
1369 | |
1273 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1370 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
|
|
1371 | |
|
|
1372 | decode_ws (&dec); |
1274 | sv = decode_sv (&dec); |
1373 | sv = decode_sv (&dec); |
1275 | |
1374 | |
1276 | if (!(offset_return || !sv)) |
1375 | if (!(offset_return || !sv)) |
1277 | { |
1376 | { |
1278 | // check for trailing garbage |
1377 | // check for trailing garbage |
… | |
… | |
1346 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1445 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1347 | } |
1446 | } |
1348 | |
1447 | |
1349 | PROTOTYPES: DISABLE |
1448 | PROTOTYPES: DISABLE |
1350 | |
1449 | |
|
|
1450 | void CLONE (...) |
|
|
1451 | CODE: |
|
|
1452 | json_stash = 0; |
|
|
1453 | json_boolean_stash = 0; |
|
|
1454 | |
1351 | void new (char *klass) |
1455 | void new (char *klass) |
1352 | PPCODE: |
1456 | PPCODE: |
1353 | { |
1457 | { |
1354 | SV *pv = NEWSV (0, sizeof (JSON)); |
1458 | SV *pv = NEWSV (0, sizeof (JSON)); |
1355 | SvPOK_only (pv); |
1459 | SvPOK_only (pv); |
1356 | Zero (SvPVX (pv), 1, JSON); |
1460 | Zero (SvPVX (pv), 1, JSON); |
1357 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
1461 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
1358 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), json_stash))); |
1462 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), JSON_STASH))); |
1359 | } |
1463 | } |
1360 | |
1464 | |
1361 | void ascii (JSON *self, int enable = 1) |
1465 | void ascii (JSON *self, int enable = 1) |
1362 | ALIAS: |
1466 | ALIAS: |
1363 | ascii = F_ASCII |
1467 | ascii = F_ASCII |
… | |
… | |
1370 | pretty = F_PRETTY |
1474 | pretty = F_PRETTY |
1371 | allow_nonref = F_ALLOW_NONREF |
1475 | allow_nonref = F_ALLOW_NONREF |
1372 | shrink = F_SHRINK |
1476 | shrink = F_SHRINK |
1373 | allow_blessed = F_ALLOW_BLESSED |
1477 | allow_blessed = F_ALLOW_BLESSED |
1374 | convert_blessed = F_CONV_BLESSED |
1478 | convert_blessed = F_CONV_BLESSED |
|
|
1479 | relaxed = F_RELAXED |
1375 | PPCODE: |
1480 | PPCODE: |
1376 | { |
1481 | { |
1377 | if (enable) |
1482 | if (enable) |
1378 | self->flags |= ix; |
1483 | self->flags |= ix; |
1379 | else |
1484 | else |
1380 | self->flags &= ~ix; |
1485 | self->flags &= ~ix; |
1381 | |
1486 | |
1382 | XPUSHs (ST (0)); |
1487 | XPUSHs (ST (0)); |
1383 | } |
1488 | } |
1384 | |
1489 | |
|
|
1490 | void get_ascii (JSON *self) |
|
|
1491 | ALIAS: |
|
|
1492 | get_ascii = F_ASCII |
|
|
1493 | get_latin1 = F_LATIN1 |
|
|
1494 | get_utf8 = F_UTF8 |
|
|
1495 | get_indent = F_INDENT |
|
|
1496 | get_canonical = F_CANONICAL |
|
|
1497 | get_space_before = F_SPACE_BEFORE |
|
|
1498 | get_space_after = F_SPACE_AFTER |
|
|
1499 | get_pretty = F_PRETTY |
|
|
1500 | get_allow_nonref = F_ALLOW_NONREF |
|
|
1501 | get_shrink = F_SHRINK |
|
|
1502 | get_allow_blessed = F_ALLOW_BLESSED |
|
|
1503 | get_convert_blessed = F_CONV_BLESSED |
|
|
1504 | get_relaxed = F_RELAXED |
|
|
1505 | PPCODE: |
|
|
1506 | XPUSHs (boolSV (self->flags & ix)); |
|
|
1507 | |
1385 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1508 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1386 | PPCODE: |
1509 | PPCODE: |
1387 | { |
1510 | { |
1388 | UV log2 = 0; |
1511 | UV log2 = 0; |
1389 | |
1512 | |
… | |
… | |
1395 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1518 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1396 | |
1519 | |
1397 | XPUSHs (ST (0)); |
1520 | XPUSHs (ST (0)); |
1398 | } |
1521 | } |
1399 | |
1522 | |
|
|
1523 | U32 get_max_depth (JSON *self) |
|
|
1524 | CODE: |
|
|
1525 | RETVAL = DEC_DEPTH (self->flags); |
|
|
1526 | OUTPUT: |
|
|
1527 | RETVAL |
|
|
1528 | |
1400 | void max_size (JSON *self, UV max_size = 0) |
1529 | void max_size (JSON *self, UV max_size = 0) |
1401 | PPCODE: |
1530 | PPCODE: |
1402 | { |
1531 | { |
1403 | UV log2 = 0; |
1532 | UV log2 = 0; |
1404 | |
1533 | |
… | |
… | |
1410 | |
1539 | |
1411 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
1540 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
1412 | |
1541 | |
1413 | XPUSHs (ST (0)); |
1542 | XPUSHs (ST (0)); |
1414 | } |
1543 | } |
|
|
1544 | |
|
|
1545 | int get_max_size (JSON *self) |
|
|
1546 | CODE: |
|
|
1547 | RETVAL = DEC_SIZE (self->flags); |
|
|
1548 | OUTPUT: |
|
|
1549 | RETVAL |
1415 | |
1550 | |
1416 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1551 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1417 | PPCODE: |
1552 | PPCODE: |
1418 | { |
1553 | { |
1419 | SvREFCNT_dec (self->cb_object); |
1554 | SvREFCNT_dec (self->cb_object); |