… | |
… | |
72 | #else |
72 | #else |
73 | # define JSON_SLOW 0 |
73 | # define JSON_SLOW 0 |
74 | # define JSON_STASH json_stash |
74 | # define JSON_STASH json_stash |
75 | #endif |
75 | #endif |
76 | |
76 | |
|
|
77 | // the amount of HEs to allocate on the stack, when sorting keys |
|
|
78 | #define STACK_HES 64 |
|
|
79 | |
77 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
80 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
78 | static SV *json_true, *json_false; |
81 | static SV *json_true, *json_false; |
79 | |
82 | |
80 | enum { |
83 | enum { |
81 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
84 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
… | |
… | |
260 | } |
263 | } |
261 | |
264 | |
262 | // this relies greatly on the quality of the pow () |
265 | // this relies greatly on the quality of the pow () |
263 | // implementation of the platform, but a good |
266 | // implementation of the platform, but a good |
264 | // implementation is hard to beat. |
267 | // implementation is hard to beat. |
|
|
268 | // (IEEE 754 conformant ones are required to be exact) |
265 | if (postdp) *expo -= eaccum; |
269 | if (postdp) *expo -= eaccum; |
266 | *accum += uaccum * Perl_pow (10., *expo); |
270 | *accum += uaccum * Perl_pow (10., *expo); |
267 | *expo += eaccum; |
271 | *expo += eaccum; |
268 | } |
272 | } |
269 | |
273 | |
… | |
… | |
479 | |
483 | |
480 | if (enc->indent >= enc->json.max_depth) |
484 | if (enc->indent >= enc->json.max_depth) |
481 | croak (ERR_NESTING_EXCEEDED); |
485 | croak (ERR_NESTING_EXCEEDED); |
482 | |
486 | |
483 | encode_ch (enc, '['); |
487 | encode_ch (enc, '['); |
484 | |
488 | |
485 | if (len >= 0) |
489 | if (len >= 0) |
486 | { |
490 | { |
487 | encode_nl (enc); ++enc->indent; |
491 | encode_nl (enc); ++enc->indent; |
488 | |
492 | |
489 | for (i = 0; i <= len; ++i) |
493 | for (i = 0; i <= len; ++i) |
… | |
… | |
501 | encode_comma (enc); |
505 | encode_comma (enc); |
502 | } |
506 | } |
503 | |
507 | |
504 | encode_nl (enc); --enc->indent; encode_indent (enc); |
508 | encode_nl (enc); --enc->indent; encode_indent (enc); |
505 | } |
509 | } |
506 | |
510 | |
507 | encode_ch (enc, ']'); |
511 | encode_ch (enc, ']'); |
508 | } |
512 | } |
509 | |
513 | |
510 | static void |
514 | static void |
511 | encode_hk (enc_t *enc, HE *he) |
515 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
515 | if (HeKLEN (he) == HEf_SVKEY) |
519 | if (HeKLEN (he) == HEf_SVKEY) |
516 | { |
520 | { |
517 | SV *sv = HeSVKEY (he); |
521 | SV *sv = HeSVKEY (he); |
518 | STRLEN len; |
522 | STRLEN len; |
519 | char *str; |
523 | char *str; |
520 | |
524 | |
521 | SvGETMAGIC (sv); |
525 | SvGETMAGIC (sv); |
522 | str = SvPV (sv, len); |
526 | str = SvPV (sv, len); |
523 | |
527 | |
524 | encode_str (enc, str, len, SvUTF8 (sv)); |
528 | encode_str (enc, str, len, SvUTF8 (sv)); |
525 | } |
529 | } |
… | |
… | |
591 | } |
595 | } |
592 | |
596 | |
593 | if (count) |
597 | if (count) |
594 | { |
598 | { |
595 | int i, fast = 1; |
599 | int i, fast = 1; |
596 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
600 | HE *hes_stack [STACK_HES]; |
597 | HE **hes = _alloca (count * sizeof (HE)); |
601 | HE **hes = hes_stack; |
598 | #else |
602 | |
599 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
603 | // allocate larger arrays on the heap |
600 | #endif |
604 | if (count > STACK_HES) |
|
|
605 | { |
|
|
606 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
607 | hes = (HE **)SvPVX (sv); |
|
|
608 | } |
601 | |
609 | |
602 | i = 0; |
610 | i = 0; |
603 | while ((he = hv_iternext (hv))) |
611 | while ((he = hv_iternext (hv))) |
604 | { |
612 | { |
605 | hes [i++] = he; |
613 | hes [i++] = he; |
… | |
… | |
824 | } |
832 | } |
825 | else |
833 | else |
826 | { |
834 | { |
827 | // large integer, use the (rather slow) snprintf way. |
835 | // large integer, use the (rather slow) snprintf way. |
828 | need (enc, IVUV_MAXCHARS); |
836 | need (enc, IVUV_MAXCHARS); |
829 | enc->cur += |
837 | enc->cur += |
830 | SvIsUV(sv) |
838 | SvIsUV(sv) |
831 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
839 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
832 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
840 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
833 | } |
841 | } |
834 | } |
842 | } |
835 | else if (SvROK (sv)) |
843 | else if (SvROK (sv)) |
836 | encode_rv (enc, SvRV (sv)); |
844 | encode_rv (enc, SvRV (sv)); |
837 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
845 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
838 | encode_str (enc, "null", 4, 0); |
846 | encode_str (enc, "null", 4, 0); |
839 | else |
847 | else |
840 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
848 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
841 | SvPV_nolen (sv), SvFLAGS (sv)); |
849 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
842 | } |
850 | } |
843 | |
851 | |
844 | static SV * |
852 | static SV * |
845 | encode_json (SV *scalar, JSON *json) |
853 | encode_json (SV *scalar, JSON *json) |
846 | { |
854 | { |
… | |
… | |
1258 | if (*dec->cur == ']') |
1266 | if (*dec->cur == ']') |
1259 | { |
1267 | { |
1260 | ++dec->cur; |
1268 | ++dec->cur; |
1261 | break; |
1269 | break; |
1262 | } |
1270 | } |
1263 | |
1271 | |
1264 | if (*dec->cur != ',') |
1272 | if (*dec->cur != ',') |
1265 | ERR (", or ] expected while parsing array"); |
1273 | ERR (", or ] expected while parsing array"); |
1266 | |
1274 | |
1267 | ++dec->cur; |
1275 | ++dec->cur; |
1268 | |
1276 | |
… | |
… | |
1456 | { |
1464 | { |
1457 | // the beauty of JSON: you need exactly one character lookahead |
1465 | // the beauty of JSON: you need exactly one character lookahead |
1458 | // to parse everything. |
1466 | // to parse everything. |
1459 | switch (*dec->cur) |
1467 | switch (*dec->cur) |
1460 | { |
1468 | { |
1461 | case '"': ++dec->cur; return decode_str (dec); |
1469 | case '"': ++dec->cur; return decode_str (dec); |
1462 | case '[': ++dec->cur; return decode_av (dec); |
1470 | case '[': ++dec->cur; return decode_av (dec); |
1463 | case '{': ++dec->cur; return decode_hv (dec); |
1471 | case '{': ++dec->cur; return decode_hv (dec); |
1464 | |
1472 | |
1465 | case '-': |
1473 | case '-': |
1466 | case '0': case '1': case '2': case '3': case '4': |
1474 | case '0': case '1': case '2': case '3': case '4': |
1467 | case '5': case '6': case '7': case '8': case '9': |
1475 | case '5': case '6': case '7': case '8': case '9': |
… | |
… | |
1520 | { |
1528 | { |
1521 | dec_t dec; |
1529 | dec_t dec; |
1522 | SV *sv; |
1530 | SV *sv; |
1523 | |
1531 | |
1524 | /* work around bugs in 5.10 where manipulating magic values |
1532 | /* work around bugs in 5.10 where manipulating magic values |
1525 | * will perl ignore the magic in subsequent accesses |
1533 | * makes perl ignore the magic in subsequent accesses. |
|
|
1534 | * also make a copy of non-PV values, to get them into a clean |
|
|
1535 | * state (SvPV should do that, but it's buggy, see below). |
1526 | */ |
1536 | */ |
1527 | /*SvGETMAGIC (string);*/ |
1537 | /*SvGETMAGIC (string);*/ |
1528 | if (SvMAGICAL (string)) |
1538 | if (SvMAGICAL (string) || !SvPOK (string)) |
1529 | string = sv_2mortal (newSVsv (string)); |
1539 | string = sv_2mortal (newSVsv (string)); |
1530 | |
1540 | |
1531 | SvUPGRADE (string, SVt_PV); |
1541 | SvUPGRADE (string, SVt_PV); |
1532 | |
1542 | |
1533 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1543 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1602 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1612 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1603 | LEAVE; |
1613 | LEAVE; |
1604 | |
1614 | |
1605 | croak ("%s, at character offset %d (before \"%s\")", |
1615 | croak ("%s, at character offset %d (before \"%s\")", |
1606 | dec.err, |
1616 | dec.err, |
1607 | ptr_to_index (string, dec.cur), |
1617 | (int)ptr_to_index (string, dec.cur), |
1608 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1618 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1609 | } |
1619 | } |
1610 | |
1620 | |
1611 | sv = sv_2mortal (sv); |
1621 | sv = sv_2mortal (sv); |
1612 | |
1622 | |
… | |
… | |
1802 | json_boolean_stash = 0; |
1812 | json_boolean_stash = 0; |
1803 | |
1813 | |
1804 | void new (char *klass) |
1814 | void new (char *klass) |
1805 | PPCODE: |
1815 | PPCODE: |
1806 | { |
1816 | { |
1807 | SV *pv = NEWSV (0, sizeof (JSON)); |
1817 | SV *pv = NEWSV (0, sizeof (JSON)); |
1808 | SvPOK_only (pv); |
1818 | SvPOK_only (pv); |
1809 | json_init ((JSON *)SvPVX (pv)); |
1819 | json_init ((JSON *)SvPVX (pv)); |
1810 | XPUSHs (sv_2mortal (sv_bless ( |
1820 | XPUSHs (sv_2mortal (sv_bless ( |
1811 | newRV_noinc (pv), |
1821 | newRV_noinc (pv), |
1812 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1822 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
… | |
… | |
1889 | } |
1899 | } |
1890 | |
1900 | |
1891 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1901 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1892 | PPCODE: |
1902 | PPCODE: |
1893 | { |
1903 | { |
1894 | if (!self->cb_sk_object) |
1904 | if (!self->cb_sk_object) |
1895 | self->cb_sk_object = newHV (); |
1905 | self->cb_sk_object = newHV (); |
1896 | |
1906 | |
1897 | if (SvOK (cb)) |
1907 | if (SvOK (cb)) |
1898 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1908 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1899 | else |
1909 | else |
… | |
… | |
1910 | XPUSHs (ST (0)); |
1920 | XPUSHs (ST (0)); |
1911 | } |
1921 | } |
1912 | |
1922 | |
1913 | void encode (JSON *self, SV *scalar) |
1923 | void encode (JSON *self, SV *scalar) |
1914 | PPCODE: |
1924 | PPCODE: |
1915 | XPUSHs (encode_json (scalar, self)); |
1925 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
1926 | XPUSHs (scalar); |
1916 | |
1927 | |
1917 | void decode (JSON *self, SV *jsonstr) |
1928 | void decode (JSON *self, SV *jsonstr) |
1918 | PPCODE: |
1929 | PPCODE: |
1919 | XPUSHs (decode_json (jsonstr, self, 0)); |
1930 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
1931 | XPUSHs (jsonstr); |
1920 | |
1932 | |
1921 | void decode_prefix (JSON *self, SV *jsonstr) |
1933 | void decode_prefix (JSON *self, SV *jsonstr) |
1922 | PPCODE: |
1934 | PPCODE: |
1923 | { |
1935 | { |
|
|
1936 | SV *sv; |
1924 | char *offset; |
1937 | char *offset; |
|
|
1938 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1925 | EXTEND (SP, 2); |
1939 | EXTEND (SP, 2); |
1926 | PUSHs (decode_json (jsonstr, self, &offset)); |
1940 | PUSHs (sv); |
1927 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
1941 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
1928 | } |
1942 | } |
1929 | |
1943 | |
1930 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1944 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1931 | PPCODE: |
1945 | PPCODE: |
… | |
… | |
1978 | } |
1992 | } |
1979 | |
1993 | |
1980 | if (GIMME_V != G_VOID) |
1994 | if (GIMME_V != G_VOID) |
1981 | do |
1995 | do |
1982 | { |
1996 | { |
|
|
1997 | SV *sv; |
1983 | char *offset; |
1998 | char *offset; |
1984 | |
1999 | |
1985 | if (!INCR_DONE (self)) |
2000 | if (!INCR_DONE (self)) |
1986 | { |
2001 | { |
1987 | incr_parse (self); |
2002 | incr_parse (self); |
… | |
… | |
1989 | if (self->incr_pos > self->max_size && self->max_size) |
2004 | if (self->incr_pos > self->max_size && self->max_size) |
1990 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2005 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1991 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2006 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1992 | |
2007 | |
1993 | if (!INCR_DONE (self)) |
2008 | if (!INCR_DONE (self)) |
|
|
2009 | { |
|
|
2010 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2011 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2012 | { |
|
|
2013 | self->incr_pos = 0; |
|
|
2014 | SvCUR_set (self->incr_text, 0); |
|
|
2015 | } |
|
|
2016 | |
1994 | break; |
2017 | break; |
|
|
2018 | } |
1995 | } |
2019 | } |
1996 | |
2020 | |
1997 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2021 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2022 | XPUSHs (sv); |
1998 | |
2023 | |
1999 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2024 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2000 | self->incr_nest = 0; |
2025 | self->incr_nest = 0; |
2001 | self->incr_mode = 0; |
2026 | self->incr_mode = 0; |
2002 | |
2027 | |
… | |
… | |
2046 | SvREFCNT_dec (self->incr_text); |
2071 | SvREFCNT_dec (self->incr_text); |
2047 | |
2072 | |
2048 | PROTOTYPES: ENABLE |
2073 | PROTOTYPES: ENABLE |
2049 | |
2074 | |
2050 | void encode_json (SV *scalar) |
2075 | void encode_json (SV *scalar) |
2051 | ALIAS: |
|
|
2052 | to_json_ = 0 |
|
|
2053 | encode_json = F_UTF8 |
|
|
2054 | PPCODE: |
2076 | PPCODE: |
2055 | { |
2077 | { |
2056 | JSON json; |
2078 | JSON json; |
2057 | json_init (&json); |
2079 | json_init (&json); |
2058 | json.flags |= ix; |
2080 | json.flags |= F_UTF8; |
2059 | XPUSHs (encode_json (scalar, &json)); |
2081 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2082 | XPUSHs (scalar); |
2060 | } |
2083 | } |
2061 | |
2084 | |
2062 | void decode_json (SV *jsonstr) |
2085 | void decode_json (SV *jsonstr) |
2063 | ALIAS: |
|
|
2064 | from_json_ = 0 |
|
|
2065 | decode_json = F_UTF8 |
|
|
2066 | PPCODE: |
2086 | PPCODE: |
2067 | { |
2087 | { |
2068 | JSON json; |
2088 | JSON json; |
2069 | json_init (&json); |
2089 | json_init (&json); |
2070 | json.flags |= ix; |
2090 | json.flags |= F_UTF8; |
2071 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2091 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2092 | XPUSHs (jsonstr); |
2072 | } |
2093 | } |
2073 | |
2094 | |