… | |
… | |
9 | |
9 | |
10 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
10 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
11 | # define snprintf _snprintf // C compilers have this in stdio.h |
11 | # define snprintf _snprintf // C compilers have this in stdio.h |
12 | #endif |
12 | #endif |
13 | |
13 | |
|
|
14 | // some old perls do not have this, try to make it work, no |
|
|
15 | // guarentees, though. if it breaks, you get to keep the pieces. |
|
|
16 | #ifndef UTF8_MAXBYTES |
|
|
17 | # define UTF8_MAXBYTES 13 |
|
|
18 | #endif |
|
|
19 | |
14 | #define F_ASCII 0x00000001UL |
20 | #define F_ASCII 0x00000001UL |
15 | #define F_LATIN1 0x00000002UL |
21 | #define F_LATIN1 0x00000002UL |
16 | #define F_UTF8 0x00000004UL |
22 | #define F_UTF8 0x00000004UL |
17 | #define F_INDENT 0x00000008UL |
23 | #define F_INDENT 0x00000008UL |
18 | #define F_CANONICAL 0x00000010UL |
24 | #define F_CANONICAL 0x00000010UL |
19 | #define F_SPACE_BEFORE 0x00000020UL |
25 | #define F_SPACE_BEFORE 0x00000020UL |
20 | #define F_SPACE_AFTER 0x00000040UL |
26 | #define F_SPACE_AFTER 0x00000040UL |
21 | #define F_ALLOW_NONREF 0x00000100UL |
27 | #define F_ALLOW_NONREF 0x00000100UL |
22 | #define F_SHRINK 0x00000200UL |
28 | #define F_SHRINK 0x00000200UL |
|
|
29 | #define F_ALLOW_BLESSED 0x00000400UL |
|
|
30 | #define F_CONV_BLESSED 0x00000800UL // NYI |
23 | #define F_MAXDEPTH 0xf8000000UL |
31 | #define F_MAXDEPTH 0xf8000000UL |
24 | #define S_MAXDEPTH 27 |
32 | #define S_MAXDEPTH 27 |
|
|
33 | #define F_MAXSIZE 0x01f00000UL |
|
|
34 | #define S_MAXSIZE 20 |
25 | |
35 | |
26 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
36 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
27 | |
37 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
28 | // F_SELFCONVERT? <=> to_json/toJson |
|
|
29 | // F_BLESSED? <=> { $__class__$ => } |
|
|
30 | |
38 | |
31 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
39 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
32 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
40 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
33 | |
41 | |
34 | #define INIT_SIZE 32 // initial scalar size to be allocated |
42 | #define INIT_SIZE 32 // initial scalar size to be allocated |
… | |
… | |
48 | #endif |
56 | #endif |
49 | |
57 | |
50 | #define expect_false(expr) expect ((expr) != 0, 0) |
58 | #define expect_false(expr) expect ((expr) != 0, 0) |
51 | #define expect_true(expr) expect ((expr) != 0, 1) |
59 | #define expect_true(expr) expect ((expr) != 0, 1) |
52 | |
60 | |
53 | static HV *json_stash; // JSON::XS:: |
61 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
|
|
62 | static SV *json_true, *json_false; |
54 | |
63 | |
55 | ///////////////////////////////////////////////////////////////////////////// |
64 | ///////////////////////////////////////////////////////////////////////////// |
56 | // utility functions |
65 | // utility functions |
57 | |
66 | |
58 | static UV * |
67 | static UV * |
… | |
… | |
462 | svtype svt; |
471 | svtype svt; |
463 | |
472 | |
464 | SvGETMAGIC (sv); |
473 | SvGETMAGIC (sv); |
465 | svt = SvTYPE (sv); |
474 | svt = SvTYPE (sv); |
466 | |
475 | |
|
|
476 | if (expect_false (SvOBJECT (sv))) |
|
|
477 | { |
|
|
478 | if (SvSTASH (sv) == json_boolean_stash) |
|
|
479 | { |
|
|
480 | if (SvIV (sv) == 0) |
|
|
481 | encode_str (enc, "false", 5, 0); |
|
|
482 | else |
|
|
483 | encode_str (enc, "true", 4, 0); |
|
|
484 | } |
|
|
485 | else |
|
|
486 | { |
|
|
487 | #if 0 |
|
|
488 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
489 | { |
|
|
490 | // not yet |
|
|
491 | } |
|
|
492 | #endif |
|
|
493 | if (enc->flags & F_CONV_BLESSED) |
|
|
494 | { |
|
|
495 | // we re-bless the reference to get overload and other niceties right |
|
|
496 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 1); |
|
|
497 | |
|
|
498 | if (to_json) |
|
|
499 | { |
|
|
500 | dSP; |
|
|
501 | ENTER; |
|
|
502 | SAVETMPS; |
|
|
503 | PUSHMARK (SP); |
|
|
504 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
505 | |
|
|
506 | // calling with G_SCALAR ensures that we always get a 1 reutrn value |
|
|
507 | // check anyways. |
|
|
508 | PUTBACK; |
|
|
509 | assert (1 == call_sv ((SV *)GvCV (to_json), G_SCALAR)); |
|
|
510 | SPAGAIN; |
|
|
511 | |
|
|
512 | encode_sv (enc, POPs); |
|
|
513 | |
|
|
514 | FREETMPS; |
|
|
515 | LEAVE; |
|
|
516 | } |
|
|
517 | else if (enc->flags & F_ALLOW_BLESSED) |
|
|
518 | encode_str (enc, "null", 4, 0); |
|
|
519 | else |
|
|
520 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
521 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
522 | } |
|
|
523 | else if (enc->flags & F_ALLOW_BLESSED) |
|
|
524 | encode_str (enc, "null", 4, 0); |
|
|
525 | else |
|
|
526 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
|
|
527 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
528 | } |
|
|
529 | } |
467 | if (svt == SVt_PVHV) |
530 | else if (svt == SVt_PVHV) |
468 | encode_hv (enc, (HV *)sv); |
531 | encode_hv (enc, (HV *)sv); |
469 | else if (svt == SVt_PVAV) |
532 | else if (svt == SVt_PVAV) |
470 | encode_av (enc, (AV *)sv); |
533 | encode_av (enc, (AV *)sv); |
471 | else if (svt < SVt_PVAV) |
534 | else if (svt < SVt_PVAV) |
472 | { |
535 | { |
… | |
… | |
960 | if (*dec->cur == '}') |
1023 | if (*dec->cur == '}') |
961 | ++dec->cur; |
1024 | ++dec->cur; |
962 | else |
1025 | else |
963 | for (;;) |
1026 | for (;;) |
964 | { |
1027 | { |
965 | SV *key, *value; |
|
|
966 | |
|
|
967 | decode_ws (dec); EXPECT_CH ('"'); |
1028 | decode_ws (dec); EXPECT_CH ('"'); |
968 | |
1029 | |
969 | key = decode_str (dec); |
1030 | // heuristic: assume that |
970 | if (!key) |
1031 | // a) decode_str + hv_store_ent are abysmally slow |
971 | goto fail; |
1032 | // b) most hash keys are short, simple ascii text |
|
|
1033 | // so try to "fast-match" such strings to avoid |
|
|
1034 | // the overhead of hv_store_ent. |
|
|
1035 | { |
|
|
1036 | SV *value; |
|
|
1037 | char *p = dec->cur; |
|
|
1038 | char *e = p + 24; // only try up to 24 bytes |
972 | |
1039 | |
973 | decode_ws (dec); EXPECT_CH (':'); |
1040 | for (;;) |
974 | |
|
|
975 | value = decode_sv (dec); |
|
|
976 | if (!value) |
|
|
977 | { |
1041 | { |
|
|
1042 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
|
|
1043 | { |
|
|
1044 | // slow path, back up and use decode_str |
|
|
1045 | SV *key = decode_str (dec); |
|
|
1046 | if (!key) |
|
|
1047 | goto fail; |
|
|
1048 | |
|
|
1049 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1050 | |
|
|
1051 | value = decode_sv (dec); |
|
|
1052 | if (!value) |
|
|
1053 | { |
|
|
1054 | SvREFCNT_dec (key); |
|
|
1055 | goto fail; |
|
|
1056 | } |
|
|
1057 | |
|
|
1058 | hv_store_ent (hv, key, value, 0); |
978 | SvREFCNT_dec (key); |
1059 | SvREFCNT_dec (key); |
|
|
1060 | |
|
|
1061 | break; |
|
|
1062 | } |
|
|
1063 | else if (*p == '"') |
|
|
1064 | { |
|
|
1065 | // fast path, got a simple key |
|
|
1066 | char *key = dec->cur; |
|
|
1067 | int len = p - key; |
|
|
1068 | dec->cur = p + 1; |
|
|
1069 | |
|
|
1070 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1071 | |
|
|
1072 | value = decode_sv (dec); |
|
|
1073 | if (!value) |
979 | goto fail; |
1074 | goto fail; |
|
|
1075 | |
|
|
1076 | hv_store (hv, key, len, value, 0); |
|
|
1077 | |
|
|
1078 | break; |
|
|
1079 | } |
|
|
1080 | |
|
|
1081 | ++p; |
980 | } |
1082 | } |
981 | |
1083 | } |
982 | hv_store_ent (hv, key, value, 0); |
|
|
983 | SvREFCNT_dec (key); |
|
|
984 | |
1084 | |
985 | decode_ws (dec); |
1085 | decode_ws (dec); |
986 | |
1086 | |
987 | if (*dec->cur == '}') |
1087 | if (*dec->cur == '}') |
988 | { |
1088 | { |
… | |
… | |
1025 | |
1125 | |
1026 | case 't': |
1126 | case 't': |
1027 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1127 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1028 | { |
1128 | { |
1029 | dec->cur += 4; |
1129 | dec->cur += 4; |
1030 | return newSViv (1); |
1130 | return SvREFCNT_inc (json_true); |
1031 | } |
1131 | } |
1032 | else |
1132 | else |
1033 | ERR ("'true' expected"); |
1133 | ERR ("'true' expected"); |
1034 | |
1134 | |
1035 | break; |
1135 | break; |
1036 | |
1136 | |
1037 | case 'f': |
1137 | case 'f': |
1038 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1138 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1039 | { |
1139 | { |
1040 | dec->cur += 5; |
1140 | dec->cur += 5; |
1041 | return newSViv (0); |
1141 | return SvREFCNT_inc (json_false); |
1042 | } |
1142 | } |
1043 | else |
1143 | else |
1044 | ERR ("'false' expected"); |
1144 | ERR ("'false' expected"); |
1045 | |
1145 | |
1046 | break; |
1146 | break; |
… | |
… | |
1073 | SV *sv; |
1173 | SV *sv; |
1074 | |
1174 | |
1075 | SvGETMAGIC (string); |
1175 | SvGETMAGIC (string); |
1076 | SvUPGRADE (string, SVt_PV); |
1176 | SvUPGRADE (string, SVt_PV); |
1077 | |
1177 | |
|
|
1178 | if (flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (flags)) |
|
|
1179 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
|
|
1180 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (flags)); |
|
|
1181 | |
1078 | if (flags & F_UTF8) |
1182 | if (flags & F_UTF8) |
1079 | sv_utf8_downgrade (string, 0); |
1183 | sv_utf8_downgrade (string, 0); |
1080 | else |
1184 | else |
1081 | sv_utf8_upgrade (string); |
1185 | sv_utf8_upgrade (string); |
1082 | |
1186 | |
… | |
… | |
1156 | i >= '0' && i <= '9' ? i - '0' |
1260 | i >= '0' && i <= '9' ? i - '0' |
1157 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1261 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1158 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1262 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1159 | : -1; |
1263 | : -1; |
1160 | |
1264 | |
1161 | json_stash = gv_stashpv ("JSON::XS", 1); |
1265 | json_stash = gv_stashpv ("JSON::XS" , 1); |
|
|
1266 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
1267 | |
|
|
1268 | json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true ); |
|
|
1269 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1162 | } |
1270 | } |
1163 | |
1271 | |
1164 | PROTOTYPES: DISABLE |
1272 | PROTOTYPES: DISABLE |
1165 | |
1273 | |
1166 | SV *new (char *dummy) |
1274 | SV *new (char *dummy) |
… | |
… | |
1169 | OUTPUT: |
1277 | OUTPUT: |
1170 | RETVAL |
1278 | RETVAL |
1171 | |
1279 | |
1172 | SV *ascii (SV *self, int enable = 1) |
1280 | SV *ascii (SV *self, int enable = 1) |
1173 | ALIAS: |
1281 | ALIAS: |
1174 | ascii = F_ASCII |
1282 | ascii = F_ASCII |
1175 | latin1 = F_LATIN1 |
1283 | latin1 = F_LATIN1 |
1176 | utf8 = F_UTF8 |
1284 | utf8 = F_UTF8 |
1177 | indent = F_INDENT |
1285 | indent = F_INDENT |
1178 | canonical = F_CANONICAL |
1286 | canonical = F_CANONICAL |
1179 | space_before = F_SPACE_BEFORE |
1287 | space_before = F_SPACE_BEFORE |
1180 | space_after = F_SPACE_AFTER |
1288 | space_after = F_SPACE_AFTER |
1181 | pretty = F_PRETTY |
1289 | pretty = F_PRETTY |
1182 | allow_nonref = F_ALLOW_NONREF |
1290 | allow_nonref = F_ALLOW_NONREF |
1183 | shrink = F_SHRINK |
1291 | shrink = F_SHRINK |
|
|
1292 | allow_blessed = F_ALLOW_BLESSED |
|
|
1293 | convert_blessed = F_CONV_BLESSED |
1184 | CODE: |
1294 | CODE: |
1185 | { |
1295 | { |
1186 | UV *uv = SvJSON (self); |
1296 | UV *uv = SvJSON (self); |
1187 | if (enable) |
1297 | if (enable) |
1188 | *uv |= ix; |
1298 | *uv |= ix; |
… | |
… | |
1210 | RETVAL = newSVsv (self); |
1320 | RETVAL = newSVsv (self); |
1211 | } |
1321 | } |
1212 | OUTPUT: |
1322 | OUTPUT: |
1213 | RETVAL |
1323 | RETVAL |
1214 | |
1324 | |
|
|
1325 | SV *max_size (SV *self, UV max_size = 0) |
|
|
1326 | CODE: |
|
|
1327 | { |
|
|
1328 | UV *uv = SvJSON (self); |
|
|
1329 | UV log2 = 0; |
|
|
1330 | |
|
|
1331 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
|
|
1332 | if (max_size == 1) max_size = 2; |
|
|
1333 | |
|
|
1334 | while ((1UL << log2) < max_size) |
|
|
1335 | ++log2; |
|
|
1336 | |
|
|
1337 | *uv = *uv & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
|
|
1338 | |
|
|
1339 | RETVAL = newSVsv (self); |
|
|
1340 | } |
|
|
1341 | OUTPUT: |
|
|
1342 | RETVAL |
|
|
1343 | |
1215 | void encode (SV *self, SV *scalar) |
1344 | void encode (SV *self, SV *scalar) |
1216 | PPCODE: |
1345 | PPCODE: |
1217 | XPUSHs (encode_json (scalar, *SvJSON (self))); |
1346 | XPUSHs (encode_json (scalar, *SvJSON (self))); |
1218 | |
1347 | |
1219 | void decode (SV *self, SV *jsonstr) |
1348 | void decode (SV *self, SV *jsonstr) |