… | |
… | |
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 <limits.h> |
9 | #include <float.h> |
10 | #include <float.h> |
10 | |
11 | |
11 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
12 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
12 | # define snprintf _snprintf // C compilers have this in stdio.h |
13 | # define snprintf _snprintf // C compilers have this in stdio.h |
13 | #endif |
14 | #endif |
… | |
… | |
15 | // some old perls do not have this, try to make it work, no |
16 | // some old perls do not have this, try to make it work, no |
16 | // guarentees, though. if it breaks, you get to keep the pieces. |
17 | // guarentees, though. if it breaks, you get to keep the pieces. |
17 | #ifndef UTF8_MAXBYTES |
18 | #ifndef UTF8_MAXBYTES |
18 | # define UTF8_MAXBYTES 13 |
19 | # define UTF8_MAXBYTES 13 |
19 | #endif |
20 | #endif |
|
|
21 | |
|
|
22 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 2) |
20 | |
23 | |
21 | #define F_ASCII 0x00000001UL |
24 | #define F_ASCII 0x00000001UL |
22 | #define F_LATIN1 0x00000002UL |
25 | #define F_LATIN1 0x00000002UL |
23 | #define F_UTF8 0x00000004UL |
26 | #define F_UTF8 0x00000004UL |
24 | #define F_INDENT 0x00000008UL |
27 | #define F_INDENT 0x00000008UL |
… | |
… | |
75 | #endif |
78 | #endif |
76 | |
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 | |
|
|
83 | enum { |
|
|
84 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
|
|
85 | INCR_M_STR, // inside string |
|
|
86 | INCR_M_BS, // inside backslash |
|
|
87 | INCR_M_JSON // outside anything, count nesting |
|
|
88 | }; |
|
|
89 | |
|
|
90 | #define INCR_DONE(json) (!(json)->incr_nest && (json)->incr_mode == INCR_M_JSON) |
|
|
91 | |
80 | typedef struct { |
92 | typedef struct { |
81 | U32 flags; |
93 | U32 flags; |
82 | SV *cb_object; |
94 | SV *cb_object; |
83 | HV *cb_sk_object; |
95 | HV *cb_sk_object; |
|
|
96 | |
|
|
97 | // for the incremental parser |
|
|
98 | SV *incr_text; // the source text so far |
|
|
99 | STRLEN incr_pos; // the current offset into the text |
|
|
100 | int incr_nest; // {[]}-nesting level |
|
|
101 | int incr_mode; |
84 | } JSON; |
102 | } JSON; |
85 | |
103 | |
86 | ///////////////////////////////////////////////////////////////////////////// |
104 | ///////////////////////////////////////////////////////////////////////////// |
87 | // utility functions |
105 | // utility functions |
88 | |
106 | |
… | |
… | |
123 | // this function takes advantage of this fact, although current gccs |
141 | // this function takes advantage of this fact, although current gccs |
124 | // seem to optimise the check for >= 0x80 away anyways |
142 | // seem to optimise the check for >= 0x80 away anyways |
125 | INLINE unsigned char * |
143 | INLINE unsigned char * |
126 | encode_utf8 (unsigned char *s, UV ch) |
144 | encode_utf8 (unsigned char *s, UV ch) |
127 | { |
145 | { |
128 | if (ch <= 0x7FF) |
146 | if (expect_false (ch < 0x000080)) |
129 | { |
147 | *s++ = ch; |
130 | *s++ = (ch >> 6) | 0xc0; |
148 | else if (expect_true (ch < 0x000800)) |
131 | *s++ = (ch & 0x3f) | 0x80; |
149 | *s++ = 0xc0 | ( ch >> 6), |
132 | } |
150 | *s++ = 0x80 | ( ch & 0x3f); |
133 | else |
151 | else if ( ch < 0x010000) |
134 | s = uvuni_to_utf8_flags (s, ch, 0); |
152 | *s++ = 0xe0 | ( ch >> 12), |
|
|
153 | *s++ = 0x80 | ((ch >> 6) & 0x3f), |
|
|
154 | *s++ = 0x80 | ( ch & 0x3f); |
|
|
155 | else if ( ch < 0x110000) |
|
|
156 | *s++ = 0xf0 | ( ch >> 18), |
|
|
157 | *s++ = 0x80 | ((ch >> 12) & 0x3f), |
|
|
158 | *s++ = 0x80 | ((ch >> 6) & 0x3f), |
|
|
159 | *s++ = 0x80 | ( ch & 0x3f); |
135 | |
160 | |
136 | return s; |
161 | return s; |
137 | } |
162 | } |
138 | |
163 | |
139 | ///////////////////////////////////////////////////////////////////////////// |
164 | ///////////////////////////////////////////////////////////////////////////// |
… | |
… | |
227 | clen = 1; |
252 | clen = 1; |
228 | } |
253 | } |
229 | |
254 | |
230 | if (uch < 0x80/*0x20*/ || uch >= enc->limit) |
255 | if (uch < 0x80/*0x20*/ || uch >= enc->limit) |
231 | { |
256 | { |
232 | if (uch > 0xFFFFUL) |
257 | if (uch >= 0x10000UL) |
233 | { |
258 | { |
234 | if (uch > 0x10FFFFUL) |
259 | if (uch >= 0x110000UL) |
235 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
260 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
236 | |
261 | |
237 | need (enc, len += 11); |
262 | need (enc, len += 11); |
238 | sprintf (enc->cur, "\\u%04x\\u%04x", |
263 | sprintf (enc->cur, "\\u%04x\\u%04x", |
239 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
264 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
… | |
… | |
413 | |
438 | |
414 | static void |
439 | static void |
415 | encode_hv (enc_t *enc, HV *hv) |
440 | encode_hv (enc_t *enc, HV *hv) |
416 | { |
441 | { |
417 | HE *he; |
442 | HE *he; |
418 | int count; |
|
|
419 | |
443 | |
420 | if (enc->indent >= enc->maxdepth) |
444 | if (enc->indent >= enc->maxdepth) |
421 | croak ("data structure too deep (hit recursion limit)"); |
445 | croak ("data structure too deep (hit recursion limit)"); |
422 | |
446 | |
423 | encode_ch (enc, '{'); |
447 | encode_ch (enc, '{'); |
… | |
… | |
638 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
662 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
639 | enc->cur += strlen (enc->cur); |
663 | enc->cur += strlen (enc->cur); |
640 | } |
664 | } |
641 | else if (SvIOKp (sv)) |
665 | else if (SvIOKp (sv)) |
642 | { |
666 | { |
643 | // we assume we can always read an IV as a UV |
667 | // we assume we can always read an IV as a UV and vice versa |
644 | if (SvUV (sv) & ~(UV)0x7fff) |
668 | // we assume two's complement |
645 | { |
669 | // we assume no aliasing issues in the union |
646 | // large integer, use the (rather slow) snprintf way. |
670 | if (SvIsUV (sv) ? SvUVX (sv) <= 59000 |
647 | need (enc, sizeof (UV) * 3); |
671 | : SvIVX (sv) <= 59000 && SvIVX (sv) >= -59000) |
648 | enc->cur += |
|
|
649 | SvIsUV(sv) |
|
|
650 | ? snprintf (enc->cur, sizeof (UV) * 3, "%"UVuf, (UV)SvUVX (sv)) |
|
|
651 | : snprintf (enc->cur, sizeof (UV) * 3, "%"IVdf, (IV)SvIVX (sv)); |
|
|
652 | } |
|
|
653 | else |
|
|
654 | { |
672 | { |
655 | // optimise the "small number case" |
673 | // optimise the "small number case" |
656 | // code will likely be branchless and use only a single multiplication |
674 | // code will likely be branchless and use only a single multiplication |
|
|
675 | // works for numbers up to 59074 |
657 | I32 i = SvIV (sv); |
676 | I32 i = SvIVX (sv); |
658 | U32 u; |
677 | U32 u; |
659 | char digit, nz = 0; |
678 | char digit, nz = 0; |
660 | |
679 | |
661 | need (enc, 6); |
680 | need (enc, 6); |
662 | |
681 | |
… | |
… | |
668 | |
687 | |
669 | // now output digit by digit, each time masking out the integer part |
688 | // now output digit by digit, each time masking out the integer part |
670 | // and multiplying by 5 while moving the decimal point one to the right, |
689 | // and multiplying by 5 while moving the decimal point one to the right, |
671 | // resulting in a net multiplication by 10. |
690 | // resulting in a net multiplication by 10. |
672 | // we always write the digit to memory but conditionally increment |
691 | // we always write the digit to memory but conditionally increment |
673 | // the pointer, to ease the usage of conditional move instructions. |
692 | // the pointer, to enable the use of conditional move instructions. |
674 | digit = u >> 28; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0xfffffff) * 5; |
693 | digit = u >> 28; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0xfffffffUL) * 5; |
675 | digit = u >> 27; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x7ffffff) * 5; |
694 | digit = u >> 27; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x7ffffffUL) * 5; |
676 | digit = u >> 26; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x3ffffff) * 5; |
695 | digit = u >> 26; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x3ffffffUL) * 5; |
677 | digit = u >> 25; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x1ffffff) * 5; |
696 | digit = u >> 25; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x1ffffffUL) * 5; |
678 | digit = u >> 24; *enc->cur = digit + '0'; enc->cur += 1; // correctly generate '0' |
697 | digit = u >> 24; *enc->cur = digit + '0'; enc->cur += 1; // correctly generate '0' |
|
|
698 | } |
|
|
699 | else |
|
|
700 | { |
|
|
701 | // large integer, use the (rather slow) snprintf way. |
|
|
702 | need (enc, IVUV_MAXCHARS); |
|
|
703 | enc->cur += |
|
|
704 | SvIsUV(sv) |
|
|
705 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
|
|
706 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
679 | } |
707 | } |
680 | } |
708 | } |
681 | else if (SvROK (sv)) |
709 | else if (SvROK (sv)) |
682 | encode_rv (enc, SvRV (sv)); |
710 | encode_rv (enc, SvRV (sv)); |
683 | else if (!SvOK (sv)) |
711 | else if (!SvOK (sv)) |
… | |
… | |
701 | enc.end = SvEND (enc.sv); |
729 | enc.end = SvEND (enc.sv); |
702 | enc.indent = 0; |
730 | enc.indent = 0; |
703 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
731 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
704 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
732 | enc.limit = enc.json.flags & F_ASCII ? 0x000080UL |
705 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
733 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
706 | : 0x10FFFFUL; |
734 | : 0x110000UL; |
707 | |
735 | |
708 | SvPOK_only (enc.sv); |
736 | SvPOK_only (enc.sv); |
709 | encode_sv (&enc, scalar); |
737 | encode_sv (&enc, scalar); |
710 | |
738 | |
711 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
739 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
… | |
… | |
889 | default: |
917 | default: |
890 | --dec_cur; |
918 | --dec_cur; |
891 | ERR ("illegal backslash escape sequence in string"); |
919 | ERR ("illegal backslash escape sequence in string"); |
892 | } |
920 | } |
893 | } |
921 | } |
894 | else if (expect_true (ch >= 0x20 && ch <= 0x7f)) |
922 | else if (expect_true (ch >= 0x20 && ch < 0x80)) |
895 | *cur++ = ch; |
923 | *cur++ = ch; |
896 | else if (ch >= 0x80) |
924 | else if (ch >= 0x80) |
897 | { |
925 | { |
898 | STRLEN clen; |
926 | STRLEN clen; |
899 | UV uch; |
927 | UV uch; |
… | |
… | |
1157 | char *p = dec->cur; |
1185 | char *p = dec->cur; |
1158 | char *e = p + 24; // only try up to 24 bytes |
1186 | char *e = p + 24; // only try up to 24 bytes |
1159 | |
1187 | |
1160 | for (;;) |
1188 | for (;;) |
1161 | { |
1189 | { |
1162 | // the >= 0x80 is true on most architectures |
1190 | // the >= 0x80 is false on most architectures |
1163 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
1191 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
1164 | { |
1192 | { |
1165 | // slow path, back up and use decode_str |
1193 | // slow path, back up and use decode_str |
1166 | SV *key = decode_str (dec); |
1194 | SV *key = decode_str (dec); |
1167 | if (!key) |
1195 | if (!key) |
… | |
… | |
1298 | |
1326 | |
1299 | static SV * |
1327 | static SV * |
1300 | decode_sv (dec_t *dec) |
1328 | decode_sv (dec_t *dec) |
1301 | { |
1329 | { |
1302 | // the beauty of JSON: you need exactly one character lookahead |
1330 | // the beauty of JSON: you need exactly one character lookahead |
1303 | // to parse anything. |
1331 | // to parse everything. |
1304 | switch (*dec->cur) |
1332 | switch (*dec->cur) |
1305 | { |
1333 | { |
1306 | case '"': ++dec->cur; return decode_str (dec); |
1334 | case '"': ++dec->cur; return decode_str (dec); |
1307 | case '[': ++dec->cur; return decode_av (dec); |
1335 | case '[': ++dec->cur; return decode_av (dec); |
1308 | case '{': ++dec->cur; return decode_hv (dec); |
1336 | case '{': ++dec->cur; return decode_hv (dec); |
1309 | |
1337 | |
1310 | case '-': |
1338 | case '-': |
1311 | case '0': case '1': case '2': case '3': case '4': |
1339 | case '0': case '1': case '2': case '3': case '4': |
1312 | case '5': case '6': case '7': case '8': case '9': |
1340 | case '5': case '6': case '7': case '8': case '9': |
1313 | return decode_num (dec); |
1341 | return decode_num (dec); |
… | |
… | |
1359 | fail: |
1387 | fail: |
1360 | return 0; |
1388 | return 0; |
1361 | } |
1389 | } |
1362 | |
1390 | |
1363 | static SV * |
1391 | static SV * |
1364 | decode_json (SV *string, JSON *json, UV *offset_return) |
1392 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1365 | { |
1393 | { |
1366 | dec_t dec; |
1394 | dec_t dec; |
1367 | UV offset; |
1395 | STRLEN offset; |
1368 | SV *sv; |
1396 | SV *sv; |
1369 | |
1397 | |
1370 | SvGETMAGIC (string); |
1398 | SvGETMAGIC (string); |
1371 | SvUPGRADE (string, SVt_PV); |
1399 | SvUPGRADE (string, SVt_PV); |
1372 | |
1400 | |
… | |
… | |
1442 | |
1470 | |
1443 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1471 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1444 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1472 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1445 | |
1473 | |
1446 | return sv; |
1474 | return sv; |
|
|
1475 | } |
|
|
1476 | |
|
|
1477 | ///////////////////////////////////////////////////////////////////////////// |
|
|
1478 | // incremental parser |
|
|
1479 | |
|
|
1480 | static void |
|
|
1481 | incr_parse (JSON *self) |
|
|
1482 | { |
|
|
1483 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
|
|
1484 | |
|
|
1485 | for (;;) |
|
|
1486 | { |
|
|
1487 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
|
|
1488 | switch (self->incr_mode) |
|
|
1489 | { |
|
|
1490 | // only used for intiial whitespace skipping |
|
|
1491 | case INCR_M_WS: |
|
|
1492 | for (;;) |
|
|
1493 | { |
|
|
1494 | if (*p > 0x20) |
|
|
1495 | { |
|
|
1496 | self->incr_mode = INCR_M_JSON; |
|
|
1497 | goto incr_m_json; |
|
|
1498 | } |
|
|
1499 | else if (!*p) |
|
|
1500 | goto interrupt; |
|
|
1501 | |
|
|
1502 | ++p; |
|
|
1503 | } |
|
|
1504 | |
|
|
1505 | // skip a single char inside a string (for \\-processing) |
|
|
1506 | case INCR_M_BS: |
|
|
1507 | if (!*p) |
|
|
1508 | goto interrupt; |
|
|
1509 | |
|
|
1510 | ++p; |
|
|
1511 | self->incr_mode = INCR_M_STR; |
|
|
1512 | goto incr_m_str; |
|
|
1513 | |
|
|
1514 | // inside a string |
|
|
1515 | case INCR_M_STR: |
|
|
1516 | incr_m_str: |
|
|
1517 | for (;;) |
|
|
1518 | { |
|
|
1519 | if (*p == '"') |
|
|
1520 | { |
|
|
1521 | ++p; |
|
|
1522 | self->incr_mode = INCR_M_JSON; |
|
|
1523 | |
|
|
1524 | if (!self->incr_nest) |
|
|
1525 | goto interrupt; |
|
|
1526 | |
|
|
1527 | goto incr_m_json; |
|
|
1528 | } |
|
|
1529 | else if (*p == '\\') |
|
|
1530 | { |
|
|
1531 | ++p; // "virtually" consumes character after \ |
|
|
1532 | |
|
|
1533 | if (!*p) // if at end of string we have to switch modes |
|
|
1534 | { |
|
|
1535 | self->incr_mode = INCR_M_BS; |
|
|
1536 | goto interrupt; |
|
|
1537 | } |
|
|
1538 | } |
|
|
1539 | else if (!*p) |
|
|
1540 | goto interrupt; |
|
|
1541 | |
|
|
1542 | ++p; |
|
|
1543 | } |
|
|
1544 | |
|
|
1545 | // after initial ws, outside string |
|
|
1546 | case INCR_M_JSON: |
|
|
1547 | incr_m_json: |
|
|
1548 | for (;;) |
|
|
1549 | { |
|
|
1550 | switch (*p++) |
|
|
1551 | { |
|
|
1552 | case 0: |
|
|
1553 | --p; |
|
|
1554 | goto interrupt; |
|
|
1555 | |
|
|
1556 | case 0x09: |
|
|
1557 | case 0x0a: |
|
|
1558 | case 0x0d: |
|
|
1559 | case 0x20: |
|
|
1560 | if (!self->incr_nest) |
|
|
1561 | { |
|
|
1562 | --p; // do not eat the whitespace, let the next round do it |
|
|
1563 | goto interrupt; |
|
|
1564 | } |
|
|
1565 | break; |
|
|
1566 | |
|
|
1567 | case '"': |
|
|
1568 | self->incr_mode = INCR_M_STR; |
|
|
1569 | goto incr_m_str; |
|
|
1570 | |
|
|
1571 | case '[': |
|
|
1572 | case '{': |
|
|
1573 | ++self->incr_nest; |
|
|
1574 | break; |
|
|
1575 | |
|
|
1576 | case ']': |
|
|
1577 | case '}': |
|
|
1578 | if (!--self->incr_nest) |
|
|
1579 | goto interrupt; |
|
|
1580 | } |
|
|
1581 | } |
|
|
1582 | } |
|
|
1583 | |
|
|
1584 | modechange: |
|
|
1585 | ; |
|
|
1586 | } |
|
|
1587 | |
|
|
1588 | interrupt: |
|
|
1589 | self->incr_pos = p - SvPVX (self->incr_text); |
|
|
1590 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1447 | } |
1591 | } |
1448 | |
1592 | |
1449 | ///////////////////////////////////////////////////////////////////////////// |
1593 | ///////////////////////////////////////////////////////////////////////////// |
1450 | // XS interface functions |
1594 | // XS interface functions |
1451 | |
1595 | |
… | |
… | |
1614 | XPUSHs (decode_json (jsonstr, self, 0)); |
1758 | XPUSHs (decode_json (jsonstr, self, 0)); |
1615 | |
1759 | |
1616 | void decode_prefix (JSON *self, SV *jsonstr) |
1760 | void decode_prefix (JSON *self, SV *jsonstr) |
1617 | PPCODE: |
1761 | PPCODE: |
1618 | { |
1762 | { |
1619 | UV offset; |
1763 | STRLEN offset; |
1620 | EXTEND (SP, 2); |
1764 | EXTEND (SP, 2); |
1621 | PUSHs (decode_json (jsonstr, self, &offset)); |
1765 | PUSHs (decode_json (jsonstr, self, &offset)); |
1622 | PUSHs (sv_2mortal (newSVuv (offset))); |
1766 | PUSHs (sv_2mortal (newSVuv (offset))); |
|
|
1767 | } |
|
|
1768 | |
|
|
1769 | void incr_parse (JSON *self, SV *jsonstr = 0) |
|
|
1770 | PPCODE: |
|
|
1771 | { |
|
|
1772 | if (!self->incr_text) |
|
|
1773 | self->incr_text = newSVpvn ("", 0); |
|
|
1774 | |
|
|
1775 | // append data, if any |
|
|
1776 | if (jsonstr) |
|
|
1777 | { |
|
|
1778 | if (SvUTF8 (jsonstr) && !SvUTF8 (self->incr_text)) |
|
|
1779 | { |
|
|
1780 | /* utf-8-ness differs, need to upgrade */ |
|
|
1781 | sv_utf8_upgrade (self->incr_text); |
|
|
1782 | |
|
|
1783 | if (self->incr_pos) |
|
|
1784 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1785 | - (U8 *)SvPVX (self->incr_text); |
|
|
1786 | } |
|
|
1787 | |
|
|
1788 | { |
|
|
1789 | STRLEN len; |
|
|
1790 | const char *str = SvPV (jsonstr, len); |
|
|
1791 | SvGROW (self->incr_text, SvCUR (self->incr_text) + len + 1); |
|
|
1792 | Move (str, SvEND (self->incr_text), len, char); |
|
|
1793 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
|
|
1794 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
|
|
1795 | } |
|
|
1796 | } |
|
|
1797 | |
|
|
1798 | if (GIMME_V != G_VOID) |
|
|
1799 | do |
|
|
1800 | { |
|
|
1801 | STRLEN offset; |
|
|
1802 | |
|
|
1803 | incr_parse (self); |
|
|
1804 | |
|
|
1805 | if (!INCR_DONE (self)) |
|
|
1806 | break; |
|
|
1807 | |
|
|
1808 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
|
|
1809 | |
|
|
1810 | sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + offset); |
|
|
1811 | self->incr_pos -= offset; |
|
|
1812 | self->incr_nest = 0; |
|
|
1813 | self->incr_mode = 0; |
|
|
1814 | } |
|
|
1815 | while (GIMME_V == G_ARRAY); |
|
|
1816 | } |
|
|
1817 | |
|
|
1818 | SV *incr_text (JSON *self) |
|
|
1819 | ATTRS: lvalue |
|
|
1820 | CODE: |
|
|
1821 | { |
|
|
1822 | if (self->incr_pos) |
|
|
1823 | croak ("incr_text can only be called after a successful incr_parse call in scalar context"); |
|
|
1824 | |
|
|
1825 | RETVAL = self->incr_text ? SvREFCNT_inc (self->incr_text) : &PL_sv_undef; |
|
|
1826 | } |
|
|
1827 | OUTPUT: |
|
|
1828 | RETVAL |
|
|
1829 | |
|
|
1830 | void incr_skip (JSON *self) |
|
|
1831 | CODE: |
|
|
1832 | { |
|
|
1833 | if (!self->incr_pos || !INCR_DONE (self)) |
|
|
1834 | croak ("incr_text can only be called after an unsuccessful incr_parse call in scalar context");//D |
|
|
1835 | |
|
|
1836 | sv_chop (self->incr_text, SvPV_nolen (self->incr_text) + self->incr_pos); |
|
|
1837 | self->incr_pos = 0; |
|
|
1838 | self->incr_nest = 0; |
|
|
1839 | self->incr_mode = 0; |
1623 | } |
1840 | } |
1624 | |
1841 | |
1625 | void DESTROY (JSON *self) |
1842 | void DESTROY (JSON *self) |
1626 | CODE: |
1843 | CODE: |
1627 | SvREFCNT_dec (self->cb_sk_object); |
1844 | SvREFCNT_dec (self->cb_sk_object); |
1628 | SvREFCNT_dec (self->cb_object); |
1845 | SvREFCNT_dec (self->cb_object); |
|
|
1846 | SvREFCNT_dec (self->incr_text); |
1629 | |
1847 | |
1630 | PROTOTYPES: ENABLE |
1848 | PROTOTYPES: ENABLE |
1631 | |
1849 | |
1632 | void encode_json (SV *scalar) |
1850 | void encode_json (SV *scalar) |
|
|
1851 | ALIAS: |
|
|
1852 | to_json_ = 0 |
|
|
1853 | encode_json = F_UTF8 |
1633 | PPCODE: |
1854 | PPCODE: |
1634 | { |
1855 | { |
1635 | JSON json = { F_DEFAULT | F_UTF8 }; |
1856 | JSON json = { F_DEFAULT | ix }; |
1636 | XPUSHs (encode_json (scalar, &json)); |
1857 | XPUSHs (encode_json (scalar, &json)); |
1637 | } |
1858 | } |
1638 | |
1859 | |
1639 | void decode_json (SV *jsonstr) |
1860 | void decode_json (SV *jsonstr) |
|
|
1861 | ALIAS: |
|
|
1862 | from_json_ = 0 |
|
|
1863 | decode_json = F_UTF8 |
1640 | PPCODE: |
1864 | PPCODE: |
1641 | { |
1865 | { |
1642 | JSON json = { F_DEFAULT | F_UTF8 }; |
1866 | JSON json = { F_DEFAULT | ix }; |
1643 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1867 | XPUSHs (decode_json (jsonstr, &json, 0)); |
1644 | } |
1868 | } |
1645 | |
1869 | |
|
|
1870 | |