… | |
… | |
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 <limits.h> |
10 | #include <float.h> |
10 | #include <float.h> |
|
|
11 | #include <inttypes.h> |
11 | |
12 | |
12 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
13 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
13 | # define snprintf _snprintf // C compilers have this in stdio.h |
14 | # define snprintf _snprintf // C compilers have this in stdio.h |
14 | #endif |
15 | #endif |
15 | |
16 | |
… | |
… | |
17 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | // guarantees, though. if it breaks, you get to keep the pieces. |
18 | #ifndef UTF8_MAXBYTES |
19 | #ifndef UTF8_MAXBYTES |
19 | # define UTF8_MAXBYTES 13 |
20 | # define UTF8_MAXBYTES 13 |
20 | #endif |
21 | #endif |
21 | |
22 | |
|
|
23 | // compatibility with perl <5.18 |
|
|
24 | #ifndef HvNAMELEN_get |
|
|
25 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
|
|
26 | #endif |
|
|
27 | #ifndef HvNAMELEN |
|
|
28 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
|
|
29 | #endif |
|
|
30 | #ifndef HvNAMEUTF8 |
|
|
31 | # define HvNAMEUTF8(hv) 0 |
|
|
32 | #endif |
|
|
33 | |
|
|
34 | // three extra for rounding, sign, and end of string |
22 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 2) |
35 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
23 | |
36 | |
24 | #define F_ASCII 0x00000001UL |
37 | #define F_ASCII 0x00000001UL |
25 | #define F_LATIN1 0x00000002UL |
38 | #define F_LATIN1 0x00000002UL |
26 | #define F_UTF8 0x00000004UL |
39 | #define F_UTF8 0x00000004UL |
27 | #define F_INDENT 0x00000008UL |
40 | #define F_INDENT 0x00000008UL |
… | |
… | |
32 | #define F_SHRINK 0x00000200UL |
45 | #define F_SHRINK 0x00000200UL |
33 | #define F_ALLOW_BLESSED 0x00000400UL |
46 | #define F_ALLOW_BLESSED 0x00000400UL |
34 | #define F_CONV_BLESSED 0x00000800UL |
47 | #define F_CONV_BLESSED 0x00000800UL |
35 | #define F_RELAXED 0x00001000UL |
48 | #define F_RELAXED 0x00001000UL |
36 | #define F_ALLOW_UNKNOWN 0x00002000UL |
49 | #define F_ALLOW_UNKNOWN 0x00002000UL |
|
|
50 | #define F_ALLOW_TAGS 0x00004000UL |
37 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
51 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
38 | |
52 | |
39 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
53 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
40 | |
54 | |
41 | #define INIT_SIZE 32 // initial scalar size to be allocated |
55 | #define INIT_SIZE 64 // initial scalar size to be allocated |
42 | #define INDENT_STEP 3 // spaces per indentation level |
56 | #define INDENT_STEP 3 // spaces per indentation level |
43 | |
57 | |
44 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
58 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
|
|
59 | |
|
|
60 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
45 | |
61 | |
46 | #define SB do { |
62 | #define SB do { |
47 | #define SE } while (0) |
63 | #define SE } while (0) |
48 | |
64 | |
49 | #if __GNUC__ >= 3 |
65 | #if __GNUC__ >= 3 |
… | |
… | |
62 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
78 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
63 | |
79 | |
64 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
80 | #define ERR_NESTING_EXCEEDED "json text or perl structure exceeds maximum nesting level (max_depth set too low?)" |
65 | |
81 | |
66 | #ifdef USE_ITHREADS |
82 | #ifdef USE_ITHREADS |
67 | # define JSON_SLOW 1 |
|
|
68 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
83 | # define JSON_STASH (expect_true (json_stash) ? json_stash : gv_stashpv ("JSON::XS", 1)) |
|
|
84 | # define BOOL_STASH (expect_true (bool_stash) ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1)) |
|
|
85 | # define GET_BOOL(value) (expect_true (bool_ ## value) ? bool_ ## value : get_bool ("Types::Serialiser::" # value)) |
69 | #else |
86 | #else |
70 | # define JSON_SLOW 0 |
|
|
71 | # define JSON_STASH json_stash |
87 | # define JSON_STASH json_stash |
|
|
88 | # define BOOL_STASH bool_stash |
|
|
89 | # define GET_BOOL(value) bool_ ## value |
72 | #endif |
90 | #endif |
73 | |
91 | |
74 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | // the amount of HEs to allocate on the stack, when sorting keys |
75 | static SV *json_true, *json_false; |
93 | #define STACK_HES 64 |
|
|
94 | |
|
|
95 | static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean:: |
|
|
96 | static SV *bool_false, *bool_true; |
|
|
97 | static SV *sv_json; |
76 | |
98 | |
77 | enum { |
99 | enum { |
78 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
100 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
|
|
101 | INCR_M_TFN, // inside true/false/null |
|
|
102 | INCR_M_NUM, // inside number |
79 | INCR_M_STR, // inside string |
103 | INCR_M_STR, // inside string |
80 | INCR_M_BS, // inside backslash |
104 | INCR_M_BS, // inside backslash |
|
|
105 | INCR_M_C0, // inside comment in initial whitespace sequence |
|
|
106 | INCR_M_C1, // inside comment in other places |
81 | INCR_M_JSON // outside anything, count nesting |
107 | INCR_M_JSON // outside anything, count nesting |
82 | }; |
108 | }; |
83 | |
109 | |
84 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
110 | #define INCR_DONE(json) ((json)->incr_nest <= 0 && (json)->incr_mode == INCR_M_JSON) |
85 | |
111 | |
… | |
… | |
94 | // for the incremental parser |
120 | // for the incremental parser |
95 | SV *incr_text; // the source text so far |
121 | SV *incr_text; // the source text so far |
96 | STRLEN incr_pos; // the current offset into the text |
122 | STRLEN incr_pos; // the current offset into the text |
97 | int incr_nest; // {[]}-nesting level |
123 | int incr_nest; // {[]}-nesting level |
98 | unsigned char incr_mode; |
124 | unsigned char incr_mode; |
|
|
125 | |
|
|
126 | SV *v_false, *v_true; |
99 | } JSON; |
127 | } JSON; |
100 | |
128 | |
101 | INLINE void |
129 | INLINE void |
102 | json_init (JSON *json) |
130 | json_init (JSON *json) |
103 | { |
131 | { |
104 | Zero (json, 1, JSON); |
132 | static const JSON init = { F_ALLOW_NONREF, 512 }; |
105 | json->max_depth = 512; |
133 | |
|
|
134 | *json = init; |
106 | } |
135 | } |
107 | |
136 | |
108 | ///////////////////////////////////////////////////////////////////////////// |
137 | ///////////////////////////////////////////////////////////////////////////// |
109 | // utility functions |
138 | // utility functions |
110 | |
139 | |
… | |
… | |
132 | SvPV_renew (sv, SvCUR (sv) + 1); |
161 | SvPV_renew (sv, SvCUR (sv) + 1); |
133 | #endif |
162 | #endif |
134 | } |
163 | } |
135 | } |
164 | } |
136 | |
165 | |
|
|
166 | /* adds two STRLENs together, slow, and with paranoia */ |
|
|
167 | STRLEN |
|
|
168 | strlen_sum (STRLEN l1, STRLEN l2) |
|
|
169 | { |
|
|
170 | size_t sum = l1 + l2; |
|
|
171 | |
|
|
172 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
|
|
173 | croak ("JSON::XS: string size overflow"); |
|
|
174 | |
|
|
175 | return sum; |
|
|
176 | } |
|
|
177 | |
|
|
178 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
|
|
179 | static char * |
|
|
180 | json_sv_grow (SV *sv, size_t len1, size_t len2) |
|
|
181 | { |
|
|
182 | len1 = strlen_sum (len1, len2); |
|
|
183 | len1 = strlen_sum (len1, len1 >> 1); |
|
|
184 | |
|
|
185 | if (len1 > 4096 - 24) |
|
|
186 | len1 = (len1 | 4095) - 24; |
|
|
187 | |
|
|
188 | return SvGROW (sv, len1); |
|
|
189 | } |
|
|
190 | |
137 | // decode an utf-8 character and return it, or (UV)-1 in |
191 | // decode a utf-8 character and return it, or (UV)-1 in |
138 | // case of an error. |
192 | // case of an error. |
139 | // we special-case "safe" characters from U+80 .. U+7FF, |
193 | // we special-case "safe" characters from U+80 .. U+7FF, |
140 | // but use the very good perl function to parse anything else. |
194 | // but use the very good perl function to parse anything else. |
141 | // note that we never call this function for a ascii codepoints |
195 | // note that we never call this function for a ascii codepoints |
142 | INLINE UV |
196 | INLINE UV |
… | |
… | |
185 | ? utf8_distance (offset, SvPVX (sv)) |
239 | ? utf8_distance (offset, SvPVX (sv)) |
186 | : offset - SvPVX (sv); |
240 | : offset - SvPVX (sv); |
187 | } |
241 | } |
188 | |
242 | |
189 | ///////////////////////////////////////////////////////////////////////////// |
243 | ///////////////////////////////////////////////////////////////////////////// |
|
|
244 | // fp hell |
|
|
245 | |
|
|
246 | // scan a group of digits, and a trailing exponent |
|
|
247 | static void |
|
|
248 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
|
|
249 | { |
|
|
250 | UV uaccum = 0; |
|
|
251 | int eaccum = 0; |
|
|
252 | |
|
|
253 | // if we recurse too deep, skip all remaining digits |
|
|
254 | // to avoid a stack overflow attack |
|
|
255 | if (expect_false (--maxdepth <= 0)) |
|
|
256 | while (((U8)*s - '0') < 10) |
|
|
257 | ++s; |
|
|
258 | |
|
|
259 | for (;;) |
|
|
260 | { |
|
|
261 | U8 dig = (U8)*s - '0'; |
|
|
262 | |
|
|
263 | if (expect_false (dig >= 10)) |
|
|
264 | { |
|
|
265 | if (dig == (U8)((U8)'.' - (U8)'0')) |
|
|
266 | { |
|
|
267 | ++s; |
|
|
268 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
|
|
269 | } |
|
|
270 | else if ((dig | ' ') == 'e' - '0') |
|
|
271 | { |
|
|
272 | int exp2 = 0; |
|
|
273 | int neg = 0; |
|
|
274 | |
|
|
275 | ++s; |
|
|
276 | |
|
|
277 | if (*s == '-') |
|
|
278 | { |
|
|
279 | ++s; |
|
|
280 | neg = 1; |
|
|
281 | } |
|
|
282 | else if (*s == '+') |
|
|
283 | ++s; |
|
|
284 | |
|
|
285 | while ((dig = (U8)*s - '0') < 10) |
|
|
286 | exp2 = exp2 * 10 + *s++ - '0'; |
|
|
287 | |
|
|
288 | *expo += neg ? -exp2 : exp2; |
|
|
289 | } |
|
|
290 | |
|
|
291 | break; |
|
|
292 | } |
|
|
293 | |
|
|
294 | ++s; |
|
|
295 | |
|
|
296 | uaccum = uaccum * 10 + dig; |
|
|
297 | ++eaccum; |
|
|
298 | |
|
|
299 | // if we have too many digits, then recurse for more |
|
|
300 | // we actually do this for rather few digits |
|
|
301 | if (uaccum >= (UV_MAX - 9) / 10) |
|
|
302 | { |
|
|
303 | if (postdp) *expo -= eaccum; |
|
|
304 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
|
|
305 | if (postdp) *expo += eaccum; |
|
|
306 | |
|
|
307 | break; |
|
|
308 | } |
|
|
309 | } |
|
|
310 | |
|
|
311 | // this relies greatly on the quality of the pow () |
|
|
312 | // implementation of the platform, but a good |
|
|
313 | // implementation is hard to beat. |
|
|
314 | // (IEEE 754 conformant ones are required to be exact) |
|
|
315 | if (postdp) *expo -= eaccum; |
|
|
316 | *accum += uaccum * Perl_pow (10., *expo); |
|
|
317 | *expo += eaccum; |
|
|
318 | } |
|
|
319 | |
|
|
320 | static NV |
|
|
321 | json_atof (const char *s) |
|
|
322 | { |
|
|
323 | NV accum = 0.; |
|
|
324 | int expo = 0; |
|
|
325 | int neg = 0; |
|
|
326 | |
|
|
327 | if (*s == '-') |
|
|
328 | { |
|
|
329 | ++s; |
|
|
330 | neg = 1; |
|
|
331 | } |
|
|
332 | |
|
|
333 | // a recursion depth of ten gives us >>500 bits |
|
|
334 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
|
|
335 | |
|
|
336 | return neg ? -accum : accum; |
|
|
337 | } |
|
|
338 | |
|
|
339 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
|
|
340 | static int |
|
|
341 | ref_bool_type (SV *sv) |
|
|
342 | { |
|
|
343 | svtype svt = SvTYPE (sv); |
|
|
344 | |
|
|
345 | if (svt < SVt_PVAV) |
|
|
346 | { |
|
|
347 | STRLEN len = 0; |
|
|
348 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
349 | |
|
|
350 | if (len == 1) |
|
|
351 | if (*pv == '1') |
|
|
352 | return 1; |
|
|
353 | else if (*pv == '0') |
|
|
354 | return 0; |
|
|
355 | } |
|
|
356 | |
|
|
357 | return -1; |
|
|
358 | } |
|
|
359 | |
|
|
360 | // returns whether scalar is not a reference in the sense of allow_nonref |
|
|
361 | static int |
|
|
362 | json_nonref (SV *scalar) |
|
|
363 | { |
|
|
364 | if (!SvROK (scalar)) |
|
|
365 | return 1; |
|
|
366 | |
|
|
367 | scalar = SvRV (scalar); |
|
|
368 | |
|
|
369 | if (SvTYPE (scalar) >= SVt_PVMG) |
|
|
370 | { |
|
|
371 | if (SvSTASH (scalar) == bool_stash) |
|
|
372 | return 1; |
|
|
373 | |
|
|
374 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
|
|
375 | return 1; |
|
|
376 | } |
|
|
377 | |
|
|
378 | return 0; |
|
|
379 | } |
|
|
380 | |
|
|
381 | ///////////////////////////////////////////////////////////////////////////// |
190 | // encoder |
382 | // encoder |
191 | |
383 | |
192 | // structure used for encoding JSON |
384 | // structure used for encoding JSON |
193 | typedef struct |
385 | typedef struct |
194 | { |
386 | { |
… | |
… | |
201 | } enc_t; |
393 | } enc_t; |
202 | |
394 | |
203 | INLINE void |
395 | INLINE void |
204 | need (enc_t *enc, STRLEN len) |
396 | need (enc_t *enc, STRLEN len) |
205 | { |
397 | { |
206 | if (expect_false (enc->cur + len >= enc->end)) |
398 | if (expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
207 | { |
399 | { |
208 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
400 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
209 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
401 | char *buf = json_sv_grow (enc->sv, cur, len); |
210 | enc->cur = SvPVX (enc->sv) + cur; |
402 | enc->cur = buf + cur; |
211 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
403 | enc->end = buf + SvLEN (enc->sv) - 1; |
212 | } |
404 | } |
213 | } |
405 | } |
214 | |
406 | |
215 | INLINE void |
407 | INLINE void |
216 | encode_ch (enc_t *enc, char ch) |
408 | encode_ch (enc_t *enc, char ch) |
… | |
… | |
232 | |
424 | |
233 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
425 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
234 | { |
426 | { |
235 | if (expect_false (ch == '"')) // but with slow exceptions |
427 | if (expect_false (ch == '"')) // but with slow exceptions |
236 | { |
428 | { |
237 | need (enc, len += 1); |
429 | need (enc, len + 1); |
238 | *enc->cur++ = '\\'; |
430 | *enc->cur++ = '\\'; |
239 | *enc->cur++ = '"'; |
431 | *enc->cur++ = '"'; |
240 | } |
432 | } |
241 | else if (expect_false (ch == '\\')) |
433 | else if (expect_false (ch == '\\')) |
242 | { |
434 | { |
243 | need (enc, len += 1); |
435 | need (enc, len + 1); |
244 | *enc->cur++ = '\\'; |
436 | *enc->cur++ = '\\'; |
245 | *enc->cur++ = '\\'; |
437 | *enc->cur++ = '\\'; |
246 | } |
438 | } |
247 | else |
439 | else |
248 | *enc->cur++ = ch; |
440 | *enc->cur++ = ch; |
… | |
… | |
251 | } |
443 | } |
252 | else |
444 | else |
253 | { |
445 | { |
254 | switch (ch) |
446 | switch (ch) |
255 | { |
447 | { |
256 | case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
448 | case '\010': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
257 | case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
449 | case '\011': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
258 | case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
450 | case '\012': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
259 | case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
451 | case '\014': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
260 | case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
452 | case '\015': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
261 | |
453 | |
262 | default: |
454 | default: |
263 | { |
455 | { |
264 | STRLEN clen; |
456 | STRLEN clen; |
265 | UV uch; |
457 | UV uch; |
… | |
… | |
281 | if (uch >= 0x10000UL) |
473 | if (uch >= 0x10000UL) |
282 | { |
474 | { |
283 | if (uch >= 0x110000UL) |
475 | if (uch >= 0x110000UL) |
284 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
476 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
285 | |
477 | |
286 | need (enc, len += 11); |
478 | need (enc, len + 11); |
287 | sprintf (enc->cur, "\\u%04x\\u%04x", |
479 | sprintf (enc->cur, "\\u%04x\\u%04x", |
288 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
480 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
289 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
481 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
290 | enc->cur += 12; |
482 | enc->cur += 12; |
291 | } |
483 | } |
292 | else |
484 | else |
293 | { |
485 | { |
294 | need (enc, len += 5); |
486 | need (enc, len + 5); |
295 | *enc->cur++ = '\\'; |
487 | *enc->cur++ = '\\'; |
296 | *enc->cur++ = 'u'; |
488 | *enc->cur++ = 'u'; |
297 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
489 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
298 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
490 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
299 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
491 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
… | |
… | |
307 | *enc->cur++ = uch; |
499 | *enc->cur++ = uch; |
308 | str += clen; |
500 | str += clen; |
309 | } |
501 | } |
310 | else if (is_utf8) |
502 | else if (is_utf8) |
311 | { |
503 | { |
312 | need (enc, len += clen); |
504 | need (enc, len + clen); |
313 | do |
505 | do |
314 | { |
506 | { |
315 | *enc->cur++ = *str++; |
507 | *enc->cur++ = *str++; |
316 | } |
508 | } |
317 | while (--clen); |
509 | while (--clen); |
318 | } |
510 | } |
319 | else |
511 | else |
320 | { |
512 | { |
321 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
513 | need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
322 | enc->cur = encode_utf8 (enc->cur, uch); |
514 | enc->cur = encode_utf8 (enc->cur, uch); |
323 | ++str; |
515 | ++str; |
324 | } |
516 | } |
325 | } |
517 | } |
326 | } |
518 | } |
… | |
… | |
380 | |
572 | |
381 | if (enc->indent >= enc->json.max_depth) |
573 | if (enc->indent >= enc->json.max_depth) |
382 | croak (ERR_NESTING_EXCEEDED); |
574 | croak (ERR_NESTING_EXCEEDED); |
383 | |
575 | |
384 | encode_ch (enc, '['); |
576 | encode_ch (enc, '['); |
385 | |
577 | |
386 | if (len >= 0) |
578 | if (len >= 0) |
387 | { |
579 | { |
388 | encode_nl (enc); ++enc->indent; |
580 | encode_nl (enc); ++enc->indent; |
389 | |
581 | |
390 | for (i = 0; i <= len; ++i) |
582 | for (i = 0; i <= len; ++i) |
… | |
… | |
402 | encode_comma (enc); |
594 | encode_comma (enc); |
403 | } |
595 | } |
404 | |
596 | |
405 | encode_nl (enc); --enc->indent; encode_indent (enc); |
597 | encode_nl (enc); --enc->indent; encode_indent (enc); |
406 | } |
598 | } |
407 | |
599 | |
408 | encode_ch (enc, ']'); |
600 | encode_ch (enc, ']'); |
409 | } |
601 | } |
410 | |
602 | |
411 | static void |
603 | static void |
412 | encode_hk (enc_t *enc, HE *he) |
604 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
416 | if (HeKLEN (he) == HEf_SVKEY) |
608 | if (HeKLEN (he) == HEf_SVKEY) |
417 | { |
609 | { |
418 | SV *sv = HeSVKEY (he); |
610 | SV *sv = HeSVKEY (he); |
419 | STRLEN len; |
611 | STRLEN len; |
420 | char *str; |
612 | char *str; |
421 | |
613 | |
422 | SvGETMAGIC (sv); |
614 | SvGETMAGIC (sv); |
423 | str = SvPV (sv, len); |
615 | str = SvPV (sv, len); |
424 | |
616 | |
425 | encode_str (enc, str, len, SvUTF8 (sv)); |
617 | encode_str (enc, str, len, SvUTF8 (sv)); |
426 | } |
618 | } |
… | |
… | |
492 | } |
684 | } |
493 | |
685 | |
494 | if (count) |
686 | if (count) |
495 | { |
687 | { |
496 | int i, fast = 1; |
688 | int i, fast = 1; |
497 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
689 | HE *hes_stack [STACK_HES]; |
498 | HE **hes = _alloca (count * sizeof (HE)); |
690 | HE **hes = hes_stack; |
499 | #else |
691 | |
500 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
692 | // allocate larger arrays on the heap |
501 | #endif |
693 | if (count > STACK_HES) |
|
|
694 | { |
|
|
695 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
696 | hes = (HE **)SvPVX (sv); |
|
|
697 | } |
502 | |
698 | |
503 | i = 0; |
699 | i = 0; |
504 | while ((he = hv_iternext (hv))) |
700 | while ((he = hv_iternext (hv))) |
505 | { |
701 | { |
506 | hes [i++] = he; |
702 | hes [i++] = he; |
… | |
… | |
575 | // encode objects, arrays and special \0=false and \1=true values. |
771 | // encode objects, arrays and special \0=false and \1=true values. |
576 | static void |
772 | static void |
577 | encode_rv (enc_t *enc, SV *sv) |
773 | encode_rv (enc_t *enc, SV *sv) |
578 | { |
774 | { |
579 | svtype svt; |
775 | svtype svt; |
|
|
776 | GV *method; |
580 | |
777 | |
581 | SvGETMAGIC (sv); |
778 | SvGETMAGIC (sv); |
582 | svt = SvTYPE (sv); |
779 | svt = SvTYPE (sv); |
583 | |
780 | |
584 | if (expect_false (SvOBJECT (sv))) |
781 | if (expect_false (SvOBJECT (sv))) |
585 | { |
782 | { |
586 | HV *stash = !JSON_SLOW || json_boolean_stash |
783 | HV *stash = SvSTASH (sv); |
587 | ? json_boolean_stash |
|
|
588 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
589 | |
784 | |
590 | if (SvSTASH (sv) == stash) |
785 | if (stash == bool_stash) |
591 | { |
786 | { |
592 | if (SvIV (sv)) |
|
|
593 | encode_str (enc, "true", 4, 0); |
787 | if (SvIV (sv)) encode_str (enc, "true" , 4, 0); |
594 | else |
|
|
595 | encode_str (enc, "false", 5, 0); |
788 | else encode_str (enc, "false", 5, 0); |
596 | } |
789 | } |
|
|
790 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
791 | { |
|
|
792 | int count; |
|
|
793 | dSP; |
|
|
794 | |
|
|
795 | ENTER; SAVETMPS; |
|
|
796 | PUSHMARK (SP); |
|
|
797 | EXTEND (SP, 2); |
|
|
798 | // we re-bless the reference to get overload and other niceties right |
|
|
799 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
800 | PUSHs (sv_json); |
|
|
801 | |
|
|
802 | PUTBACK; |
|
|
803 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
804 | SPAGAIN; |
|
|
805 | |
|
|
806 | // catch this surprisingly common error |
|
|
807 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
808 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
809 | |
|
|
810 | encode_ch (enc, '('); |
|
|
811 | encode_ch (enc, '"'); |
|
|
812 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
813 | encode_ch (enc, '"'); |
|
|
814 | encode_ch (enc, ')'); |
|
|
815 | encode_ch (enc, '['); |
|
|
816 | |
|
|
817 | if (count) |
|
|
818 | { |
|
|
819 | int i; |
|
|
820 | |
|
|
821 | for (i = 0; i < count - 1; ++i) |
|
|
822 | { |
|
|
823 | encode_sv (enc, SP[i + 1 - count]); |
|
|
824 | encode_ch (enc, ','); |
|
|
825 | } |
|
|
826 | |
|
|
827 | encode_sv (enc, TOPs); |
|
|
828 | SP -= count; |
|
|
829 | } |
|
|
830 | |
|
|
831 | encode_ch (enc, ']'); |
|
|
832 | |
|
|
833 | FREETMPS; LEAVE; |
|
|
834 | } |
|
|
835 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
836 | { |
|
|
837 | dSP; |
|
|
838 | |
|
|
839 | ENTER; SAVETMPS; |
|
|
840 | PUSHMARK (SP); |
|
|
841 | // we re-bless the reference to get overload and other niceties right |
|
|
842 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
843 | |
|
|
844 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
845 | PUTBACK; |
|
|
846 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
847 | SPAGAIN; |
|
|
848 | |
|
|
849 | // catch this surprisingly common error |
|
|
850 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
851 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
852 | |
|
|
853 | sv = POPs; |
|
|
854 | PUTBACK; |
|
|
855 | |
|
|
856 | encode_sv (enc, sv); |
|
|
857 | |
|
|
858 | FREETMPS; LEAVE; |
|
|
859 | } |
|
|
860 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
861 | encode_str (enc, "null", 4, 0); |
597 | else |
862 | else |
598 | { |
|
|
599 | #if 0 |
|
|
600 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
601 | { |
|
|
602 | // not yet |
|
|
603 | } |
|
|
604 | #endif |
|
|
605 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
606 | { |
|
|
607 | // we re-bless the reference to get overload and other niceties right |
|
|
608 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
609 | |
|
|
610 | if (to_json) |
|
|
611 | { |
|
|
612 | dSP; |
|
|
613 | |
|
|
614 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
615 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
616 | |
|
|
617 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
618 | PUTBACK; |
|
|
619 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
620 | SPAGAIN; |
|
|
621 | |
|
|
622 | // catch this surprisingly common error |
|
|
623 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
624 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
625 | |
|
|
626 | sv = POPs; |
|
|
627 | PUTBACK; |
|
|
628 | |
|
|
629 | encode_sv (enc, sv); |
|
|
630 | |
|
|
631 | FREETMPS; LEAVE; |
|
|
632 | } |
|
|
633 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
634 | encode_str (enc, "null", 4, 0); |
|
|
635 | else |
|
|
636 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
637 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
638 | } |
|
|
639 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
640 | encode_str (enc, "null", 4, 0); |
|
|
641 | else |
|
|
642 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
863 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
643 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
864 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
644 | } |
|
|
645 | } |
865 | } |
646 | else if (svt == SVt_PVHV) |
866 | else if (svt == SVt_PVHV) |
647 | encode_hv (enc, (HV *)sv); |
867 | encode_hv (enc, (HV *)sv); |
648 | else if (svt == SVt_PVAV) |
868 | else if (svt == SVt_PVAV) |
649 | encode_av (enc, (AV *)sv); |
869 | encode_av (enc, (AV *)sv); |
650 | else if (svt < SVt_PVAV) |
870 | else if (svt < SVt_PVAV) |
651 | { |
871 | { |
652 | STRLEN len = 0; |
872 | int bool_type = ref_bool_type (sv); |
653 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
654 | |
873 | |
655 | if (len == 1 && *pv == '1') |
874 | if (bool_type == 1) |
656 | encode_str (enc, "true", 4, 0); |
875 | encode_str (enc, "true", 4, 0); |
657 | else if (len == 1 && *pv == '0') |
876 | else if (bool_type == 0) |
658 | encode_str (enc, "false", 5, 0); |
877 | encode_str (enc, "false", 5, 0); |
659 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
878 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
660 | encode_str (enc, "null", 4, 0); |
879 | encode_str (enc, "null", 4, 0); |
661 | else |
880 | else |
662 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
881 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
725 | } |
944 | } |
726 | else |
945 | else |
727 | { |
946 | { |
728 | // large integer, use the (rather slow) snprintf way. |
947 | // large integer, use the (rather slow) snprintf way. |
729 | need (enc, IVUV_MAXCHARS); |
948 | need (enc, IVUV_MAXCHARS); |
730 | enc->cur += |
949 | enc->cur += |
731 | SvIsUV(sv) |
950 | SvIsUV(sv) |
732 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
951 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
733 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
952 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
734 | } |
953 | } |
735 | } |
954 | } |
736 | else if (SvROK (sv)) |
955 | else if (SvROK (sv)) |
737 | encode_rv (enc, SvRV (sv)); |
956 | encode_rv (enc, SvRV (sv)); |
738 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
957 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
739 | encode_str (enc, "null", 4, 0); |
958 | encode_str (enc, "null", 4, 0); |
740 | else |
959 | else |
741 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
960 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
742 | SvPV_nolen (sv), SvFLAGS (sv)); |
961 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
743 | } |
962 | } |
744 | |
963 | |
745 | static SV * |
964 | static SV * |
746 | encode_json (SV *scalar, JSON *json) |
965 | encode_json (SV *scalar, JSON *json) |
747 | { |
966 | { |
748 | enc_t enc; |
967 | enc_t enc; |
749 | |
968 | |
750 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
969 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
751 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
970 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
752 | |
971 | |
753 | enc.json = *json; |
972 | enc.json = *json; |
754 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
973 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
755 | enc.cur = SvPVX (enc.sv); |
974 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
759 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
978 | : enc.json.flags & F_LATIN1 ? 0x000100UL |
760 | : 0x110000UL; |
979 | : 0x110000UL; |
761 | |
980 | |
762 | SvPOK_only (enc.sv); |
981 | SvPOK_only (enc.sv); |
763 | encode_sv (&enc, scalar); |
982 | encode_sv (&enc, scalar); |
|
|
983 | encode_nl (&enc); |
764 | |
984 | |
765 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
985 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
766 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
986 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
767 | |
987 | |
768 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
988 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
… | |
… | |
948 | else if (expect_true (ch >= 0x20 && ch < 0x80)) |
1168 | else if (expect_true (ch >= 0x20 && ch < 0x80)) |
949 | *cur++ = ch; |
1169 | *cur++ = ch; |
950 | else if (ch >= 0x80) |
1170 | else if (ch >= 0x80) |
951 | { |
1171 | { |
952 | STRLEN clen; |
1172 | STRLEN clen; |
953 | UV uch; |
|
|
954 | |
1173 | |
955 | --dec_cur; |
1174 | --dec_cur; |
956 | |
1175 | |
957 | uch = decode_utf8 (dec_cur, dec->end - dec_cur, &clen); |
1176 | decode_utf8 (dec_cur, dec->end - dec_cur, &clen); |
958 | if (clen == (STRLEN)-1) |
1177 | if (clen == (STRLEN)-1) |
959 | ERR ("malformed UTF-8 character in JSON string"); |
1178 | ERR ("malformed UTF-8 character in JSON string"); |
960 | |
1179 | |
961 | do |
1180 | do |
962 | *cur++ = *dec_cur++; |
1181 | *cur++ = *dec_cur++; |
963 | while (--clen); |
1182 | while (--clen); |
964 | |
1183 | |
965 | utf8 = 1; |
1184 | utf8 = 1; |
966 | } |
1185 | } |
|
|
1186 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1187 | *cur++ = ch; |
967 | else |
1188 | else |
968 | { |
1189 | { |
969 | --dec_cur; |
1190 | --dec_cur; |
970 | |
1191 | |
971 | if (!ch) |
1192 | if (!ch) |
… | |
… | |
981 | |
1202 | |
982 | if (sv) |
1203 | if (sv) |
983 | { |
1204 | { |
984 | STRLEN cur = SvCUR (sv); |
1205 | STRLEN cur = SvCUR (sv); |
985 | |
1206 | |
986 | if (SvLEN (sv) <= cur + len) |
1207 | if (SvLEN (sv) - cur <= len) |
987 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
1208 | json_sv_grow (sv, cur, len); |
988 | |
1209 | |
989 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1210 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
990 | SvCUR_set (sv, SvCUR (sv) + len); |
1211 | SvCUR_set (sv, SvCUR (sv) + len); |
991 | } |
1212 | } |
992 | else |
1213 | else |
… | |
… | |
1116 | } |
1337 | } |
1117 | |
1338 | |
1118 | len -= *start == '-' ? 1 : 0; |
1339 | len -= *start == '-' ? 1 : 0; |
1119 | |
1340 | |
1120 | // does not fit into IV or UV, try NV |
1341 | // does not fit into IV or UV, try NV |
1121 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
1342 | if (len <= NV_DIG) |
1122 | #if defined (LDBL_DIG) |
|
|
1123 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1124 | #endif |
|
|
1125 | ) |
|
|
1126 | // fits into NV without loss of precision |
1343 | // fits into NV without loss of precision |
1127 | return newSVnv (Atof (start)); |
1344 | return newSVnv (json_atof (start)); |
1128 | |
1345 | |
1129 | // everything else fails, convert it to a string |
1346 | // everything else fails, convert it to a string |
1130 | return newSVpvn (start, dec->cur - start); |
1347 | return newSVpvn (start, dec->cur - start); |
1131 | } |
1348 | } |
1132 | |
1349 | |
1133 | // loss of precision here |
1350 | // loss of precision here |
1134 | return newSVnv (Atof (start)); |
1351 | return newSVnv (json_atof (start)); |
1135 | |
1352 | |
1136 | fail: |
1353 | fail: |
1137 | return 0; |
1354 | return 0; |
1138 | } |
1355 | } |
1139 | |
1356 | |
… | |
… | |
1163 | if (*dec->cur == ']') |
1380 | if (*dec->cur == ']') |
1164 | { |
1381 | { |
1165 | ++dec->cur; |
1382 | ++dec->cur; |
1166 | break; |
1383 | break; |
1167 | } |
1384 | } |
1168 | |
1385 | |
1169 | if (*dec->cur != ',') |
1386 | if (*dec->cur != ',') |
1170 | ERR (", or ] expected while parsing array"); |
1387 | ERR (", or ] expected while parsing array"); |
1171 | |
1388 | |
1172 | ++dec->cur; |
1389 | ++dec->cur; |
1173 | |
1390 | |
… | |
… | |
1287 | |
1504 | |
1288 | DEC_DEC_DEPTH; |
1505 | DEC_DEC_DEPTH; |
1289 | sv = newRV_noinc ((SV *)hv); |
1506 | sv = newRV_noinc ((SV *)hv); |
1290 | |
1507 | |
1291 | // check filter callbacks |
1508 | // check filter callbacks |
1292 | if (dec->json.flags & F_HOOK) |
1509 | if (expect_false (dec->json.flags & F_HOOK)) |
1293 | { |
1510 | { |
1294 | if (dec->json.cb_sk_object && HvKEYS (hv) == 1) |
1511 | if (dec->json.cb_sk_object && HvKEYS (hv) == 1) |
1295 | { |
1512 | { |
1296 | HE *cb, *he; |
1513 | HE *cb, *he; |
1297 | |
1514 | |
1298 | hv_iterinit (hv); |
1515 | hv_iterinit (hv); |
1299 | he = hv_iternext (hv); |
1516 | he = hv_iternext (hv); |
1300 | hv_iterinit (hv); |
1517 | hv_iterinit (hv); |
1301 | |
1518 | |
1302 | // the next line creates a mortal sv each time its called. |
1519 | // the next line creates a mortal sv each time it's called. |
1303 | // might want to optimise this for common cases. |
1520 | // might want to optimise this for common cases. |
1304 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1521 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1305 | |
1522 | |
1306 | if (cb) |
1523 | if (cb) |
1307 | { |
1524 | { |
1308 | dSP; |
1525 | dSP; |
1309 | int count; |
1526 | int count; |
1310 | |
1527 | |
1311 | ENTER; SAVETMPS; PUSHMARK (SP); |
1528 | ENTER; SAVETMPS; |
|
|
1529 | PUSHMARK (SP); |
1312 | XPUSHs (HeVAL (he)); |
1530 | XPUSHs (HeVAL (he)); |
|
|
1531 | sv_2mortal (sv); |
1313 | |
1532 | |
1314 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1533 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1315 | |
1534 | |
1316 | if (count == 1) |
1535 | if (count == 1) |
1317 | { |
1536 | { |
1318 | sv = newSVsv (POPs); |
1537 | sv = newSVsv (POPs); |
1319 | FREETMPS; LEAVE; |
1538 | FREETMPS; LEAVE; |
1320 | return sv; |
1539 | return sv; |
1321 | } |
1540 | } |
|
|
1541 | else if (count) |
|
|
1542 | croak ("filter_json_single_key_object callbacks must not return more than one scalar"); |
1322 | |
1543 | |
|
|
1544 | SvREFCNT_inc (sv); |
1323 | FREETMPS; LEAVE; |
1545 | FREETMPS; LEAVE; |
1324 | } |
1546 | } |
1325 | } |
1547 | } |
1326 | |
1548 | |
1327 | if (dec->json.cb_object) |
1549 | if (dec->json.cb_object) |
1328 | { |
1550 | { |
1329 | dSP; |
1551 | dSP; |
1330 | int count; |
1552 | int count; |
1331 | |
1553 | |
1332 | ENTER; SAVETMPS; PUSHMARK (SP); |
1554 | ENTER; SAVETMPS; |
|
|
1555 | PUSHMARK (SP); |
1333 | XPUSHs (sv_2mortal (sv)); |
1556 | XPUSHs (sv_2mortal (sv)); |
1334 | |
1557 | |
1335 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1558 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1336 | |
1559 | |
1337 | if (count == 1) |
1560 | if (count == 1) |
1338 | { |
|
|
1339 | sv = newSVsv (POPs); |
1561 | sv = newSVsv (POPs); |
1340 | FREETMPS; LEAVE; |
1562 | else if (count == 0) |
1341 | return sv; |
|
|
1342 | } |
|
|
1343 | |
|
|
1344 | SvREFCNT_inc (sv); |
1563 | SvREFCNT_inc (sv); |
|
|
1564 | else |
|
|
1565 | croak ("filter_json_object callbacks must not return more than one scalar"); |
|
|
1566 | |
1345 | FREETMPS; LEAVE; |
1567 | FREETMPS; LEAVE; |
1346 | } |
1568 | } |
1347 | } |
1569 | } |
1348 | |
1570 | |
1349 | return sv; |
1571 | return sv; |
… | |
… | |
1353 | DEC_DEC_DEPTH; |
1575 | DEC_DEC_DEPTH; |
1354 | return 0; |
1576 | return 0; |
1355 | } |
1577 | } |
1356 | |
1578 | |
1357 | static SV * |
1579 | static SV * |
|
|
1580 | decode_tag (dec_t *dec) |
|
|
1581 | { |
|
|
1582 | SV *tag = 0; |
|
|
1583 | SV *val = 0; |
|
|
1584 | |
|
|
1585 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1586 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1587 | |
|
|
1588 | ++dec->cur; |
|
|
1589 | |
|
|
1590 | decode_ws (dec); |
|
|
1591 | |
|
|
1592 | tag = decode_sv (dec); |
|
|
1593 | if (!tag) |
|
|
1594 | goto fail; |
|
|
1595 | |
|
|
1596 | if (!SvPOK (tag)) |
|
|
1597 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1598 | |
|
|
1599 | decode_ws (dec); |
|
|
1600 | |
|
|
1601 | if (*dec->cur != ')') |
|
|
1602 | ERR (") expected after tag"); |
|
|
1603 | |
|
|
1604 | ++dec->cur; |
|
|
1605 | |
|
|
1606 | decode_ws (dec); |
|
|
1607 | |
|
|
1608 | val = decode_sv (dec); |
|
|
1609 | if (!val) |
|
|
1610 | goto fail; |
|
|
1611 | |
|
|
1612 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1613 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1614 | |
|
|
1615 | { |
|
|
1616 | AV *av = (AV *)SvRV (val); |
|
|
1617 | int i, len = av_len (av) + 1; |
|
|
1618 | HV *stash = gv_stashsv (tag, 0); |
|
|
1619 | SV *sv; |
|
|
1620 | |
|
|
1621 | if (!stash) |
|
|
1622 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1623 | |
|
|
1624 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1625 | |
|
|
1626 | if (!method) |
|
|
1627 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1628 | |
|
|
1629 | dSP; |
|
|
1630 | |
|
|
1631 | ENTER; SAVETMPS; |
|
|
1632 | PUSHMARK (SP); |
|
|
1633 | EXTEND (SP, len + 2); |
|
|
1634 | // we re-bless the reference to get overload and other niceties right |
|
|
1635 | PUSHs (tag); |
|
|
1636 | PUSHs (sv_json); |
|
|
1637 | |
|
|
1638 | for (i = 0; i < len; ++i) |
|
|
1639 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1640 | |
|
|
1641 | PUTBACK; |
|
|
1642 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1643 | SPAGAIN; |
|
|
1644 | |
|
|
1645 | SvREFCNT_dec (tag); |
|
|
1646 | SvREFCNT_dec (val); |
|
|
1647 | sv = SvREFCNT_inc (POPs); |
|
|
1648 | |
|
|
1649 | PUTBACK; |
|
|
1650 | |
|
|
1651 | FREETMPS; LEAVE; |
|
|
1652 | |
|
|
1653 | return sv; |
|
|
1654 | } |
|
|
1655 | |
|
|
1656 | fail: |
|
|
1657 | SvREFCNT_dec (tag); |
|
|
1658 | SvREFCNT_dec (val); |
|
|
1659 | return 0; |
|
|
1660 | } |
|
|
1661 | |
|
|
1662 | static SV * |
1358 | decode_sv (dec_t *dec) |
1663 | decode_sv (dec_t *dec) |
1359 | { |
1664 | { |
1360 | // the beauty of JSON: you need exactly one character lookahead |
1665 | // the beauty of JSON: you need exactly one character lookahead |
1361 | // to parse everything. |
1666 | // to parse everything. |
1362 | switch (*dec->cur) |
1667 | switch (*dec->cur) |
1363 | { |
1668 | { |
1364 | case '"': ++dec->cur; return decode_str (dec); |
1669 | case '"': ++dec->cur; return decode_str (dec); |
1365 | case '[': ++dec->cur; return decode_av (dec); |
1670 | case '[': ++dec->cur; return decode_av (dec); |
1366 | case '{': ++dec->cur; return decode_hv (dec); |
1671 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1672 | case '(': return decode_tag (dec); |
1367 | |
1673 | |
1368 | case '-': |
1674 | case '-': |
1369 | case '0': case '1': case '2': case '3': case '4': |
1675 | case '0': case '1': case '2': case '3': case '4': |
1370 | case '5': case '6': case '7': case '8': case '9': |
1676 | case '5': case '6': case '7': case '8': case '9': |
1371 | return decode_num (dec); |
1677 | return decode_num (dec); |
1372 | |
1678 | |
|
|
1679 | case 'f': |
|
|
1680 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1681 | { |
|
|
1682 | dec->cur += 5; |
|
|
1683 | |
|
|
1684 | if (expect_false (!dec->json.v_false)) |
|
|
1685 | dec->json.v_false = GET_BOOL (false); |
|
|
1686 | |
|
|
1687 | return newSVsv (dec->json.v_false); |
|
|
1688 | } |
|
|
1689 | else |
|
|
1690 | ERR ("'false' expected"); |
|
|
1691 | |
|
|
1692 | break; |
|
|
1693 | |
1373 | case 't': |
1694 | case 't': |
1374 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1695 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1375 | { |
1696 | { |
1376 | dec->cur += 4; |
1697 | dec->cur += 4; |
1377 | #if JSON_SLOW |
1698 | |
1378 | json_true = get_bool ("JSON::XS::true"); |
1699 | if (expect_false (!dec->json.v_true)) |
1379 | #endif |
1700 | dec->json.v_true = GET_BOOL (true); |
|
|
1701 | |
1380 | return newSVsv (json_true); |
1702 | return newSVsv (dec->json.v_true); |
1381 | } |
1703 | } |
1382 | else |
1704 | else |
1383 | ERR ("'true' expected"); |
1705 | ERR ("'true' expected"); |
1384 | |
|
|
1385 | break; |
|
|
1386 | |
|
|
1387 | case 'f': |
|
|
1388 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1389 | { |
|
|
1390 | dec->cur += 5; |
|
|
1391 | #if JSON_SLOW |
|
|
1392 | json_false = get_bool ("JSON::XS::false"); |
|
|
1393 | #endif |
|
|
1394 | return newSVsv (json_false); |
|
|
1395 | } |
|
|
1396 | else |
|
|
1397 | ERR ("'false' expected"); |
|
|
1398 | |
1706 | |
1399 | break; |
1707 | break; |
1400 | |
1708 | |
1401 | case 'n': |
1709 | case 'n': |
1402 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
1710 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
… | |
… | |
1408 | ERR ("'null' expected"); |
1716 | ERR ("'null' expected"); |
1409 | |
1717 | |
1410 | break; |
1718 | break; |
1411 | |
1719 | |
1412 | default: |
1720 | default: |
1413 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1721 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1414 | break; |
1722 | break; |
1415 | } |
1723 | } |
1416 | |
1724 | |
1417 | fail: |
1725 | fail: |
1418 | return 0; |
1726 | return 0; |
1419 | } |
1727 | } |
1420 | |
1728 | |
1421 | static SV * |
1729 | static SV * |
1422 | decode_json (SV *string, JSON *json, char **offset_return) |
1730 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1423 | { |
1731 | { |
1424 | dec_t dec; |
1732 | dec_t dec; |
1425 | SV *sv; |
1733 | SV *sv; |
1426 | |
1734 | |
1427 | /* work around bugs in 5.10 where manipulating magic values |
1735 | /* work around bugs in 5.10 where manipulating magic values |
1428 | * will perl ignore the magic in subsequent accesses |
1736 | * makes perl ignore the magic in subsequent accesses. |
|
|
1737 | * also make a copy of non-PV values, to get them into a clean |
|
|
1738 | * state (SvPV should do that, but it's buggy, see below). |
|
|
1739 | * |
|
|
1740 | * SvIsCOW_shared_hash works around a bug in perl (possibly 5.16), |
|
|
1741 | * as reported by Reini Urban. |
1429 | */ |
1742 | */ |
1430 | /*SvGETMAGIC (string);*/ |
1743 | /*SvGETMAGIC (string);*/ |
1431 | if (SvMAGICAL (string)) |
1744 | if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string)) |
1432 | string = sv_2mortal (newSVsv (string)); |
1745 | string = sv_2mortal (newSVsv (string)); |
1433 | |
1746 | |
1434 | SvUPGRADE (string, SVt_PV); |
1747 | SvUPGRADE (string, SVt_PV); |
1435 | |
1748 | |
1436 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1749 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1453 | if (offset > json->max_size && json->max_size) |
1766 | if (offset > json->max_size && json->max_size) |
1454 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1767 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1455 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1768 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1456 | } |
1769 | } |
1457 | |
1770 | |
1458 | if (json->flags & F_UTF8) |
1771 | if (DECODE_WANTS_OCTETS (json)) |
1459 | sv_utf8_downgrade (string, 0); |
1772 | sv_utf8_downgrade (string, 0); |
1460 | else |
1773 | else |
1461 | sv_utf8_upgrade (string); |
1774 | sv_utf8_upgrade (string); |
1462 | |
1775 | |
1463 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1776 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
… | |
… | |
1475 | |
1788 | |
1476 | decode_ws (&dec); |
1789 | decode_ws (&dec); |
1477 | sv = decode_sv (&dec); |
1790 | sv = decode_sv (&dec); |
1478 | |
1791 | |
1479 | if (offset_return) |
1792 | if (offset_return) |
1480 | *offset_return = dec.cur; |
1793 | *offset_return = dec.cur - SvPVX (string); |
1481 | |
1794 | else if (sv) |
1482 | if (!(offset_return || !sv)) |
|
|
1483 | { |
1795 | { |
1484 | // check for trailing garbage |
1796 | // check for trailing garbage |
1485 | decode_ws (&dec); |
1797 | decode_ws (&dec); |
1486 | |
1798 | |
1487 | if (*dec.cur) |
1799 | if (dec.cur != dec.end) |
1488 | { |
1800 | { |
1489 | dec.err = "garbage after JSON object"; |
1801 | dec.err = "garbage after JSON object"; |
1490 | SvREFCNT_dec (sv); |
1802 | SvREFCNT_dec (sv); |
1491 | sv = 0; |
1803 | sv = 0; |
1492 | } |
1804 | } |
… | |
… | |
1505 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1817 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1506 | LEAVE; |
1818 | LEAVE; |
1507 | |
1819 | |
1508 | croak ("%s, at character offset %d (before \"%s\")", |
1820 | croak ("%s, at character offset %d (before \"%s\")", |
1509 | dec.err, |
1821 | dec.err, |
1510 | ptr_to_index (string, dec.cur), |
1822 | (int)ptr_to_index (string, dec.cur), |
1511 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1823 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1512 | } |
1824 | } |
1513 | |
1825 | |
1514 | sv = sv_2mortal (sv); |
1826 | sv = sv_2mortal (sv); |
1515 | |
1827 | |
1516 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1828 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1517 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1829 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1518 | |
1830 | |
1519 | return sv; |
1831 | return sv; |
1520 | } |
1832 | } |
1521 | |
1833 | |
… | |
… | |
1525 | static void |
1837 | static void |
1526 | incr_parse (JSON *self) |
1838 | incr_parse (JSON *self) |
1527 | { |
1839 | { |
1528 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
1840 | const char *p = SvPVX (self->incr_text) + self->incr_pos; |
1529 | |
1841 | |
|
|
1842 | // the state machine here is a bit convoluted and could be simplified a lot |
|
|
1843 | // but this would make it slower, so... |
|
|
1844 | |
1530 | for (;;) |
1845 | for (;;) |
1531 | { |
1846 | { |
1532 | //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 |
|
|
1533 | switch (self->incr_mode) |
1847 | switch (self->incr_mode) |
1534 | { |
1848 | { |
|
|
1849 | // reached end of a scalar, see if we are inside a nested structure or not |
|
|
1850 | end_of_scalar: |
|
|
1851 | self->incr_mode = INCR_M_JSON; |
|
|
1852 | |
|
|
1853 | if (self->incr_nest) // end of a scalar inside array, object or tag |
|
|
1854 | goto incr_m_json; |
|
|
1855 | else // end of scalar outside structure, json text ends here |
|
|
1856 | goto interrupt; |
|
|
1857 | |
1535 | // only used for intiial whitespace skipping |
1858 | // only used for initial whitespace skipping |
1536 | case INCR_M_WS: |
1859 | case INCR_M_WS: |
1537 | for (;;) |
1860 | for (;;) |
1538 | { |
1861 | { |
1539 | if (*p > 0x20) |
1862 | if (*p > 0x20) |
1540 | { |
1863 | { |
|
|
1864 | if (*p == '#') |
|
|
1865 | { |
|
|
1866 | self->incr_mode = INCR_M_C0; |
|
|
1867 | goto incr_m_c; |
|
|
1868 | } |
|
|
1869 | else |
|
|
1870 | { |
1541 | self->incr_mode = INCR_M_JSON; |
1871 | self->incr_mode = INCR_M_JSON; |
1542 | goto incr_m_json; |
1872 | goto incr_m_json; |
|
|
1873 | } |
1543 | } |
1874 | } |
1544 | else if (!*p) |
1875 | else if (!*p) |
1545 | goto interrupt; |
1876 | goto interrupt; |
1546 | |
1877 | |
1547 | ++p; |
1878 | ++p; |
… | |
… | |
1553 | goto interrupt; |
1884 | goto interrupt; |
1554 | |
1885 | |
1555 | ++p; |
1886 | ++p; |
1556 | self->incr_mode = INCR_M_STR; |
1887 | self->incr_mode = INCR_M_STR; |
1557 | goto incr_m_str; |
1888 | goto incr_m_str; |
|
|
1889 | |
|
|
1890 | // inside #-style comments |
|
|
1891 | case INCR_M_C0: |
|
|
1892 | case INCR_M_C1: |
|
|
1893 | incr_m_c: |
|
|
1894 | for (;;) |
|
|
1895 | { |
|
|
1896 | if (*p == '\n') |
|
|
1897 | { |
|
|
1898 | self->incr_mode = self->incr_mode == INCR_M_C0 ? INCR_M_WS : INCR_M_JSON; |
|
|
1899 | break; |
|
|
1900 | } |
|
|
1901 | else if (!*p) |
|
|
1902 | goto interrupt; |
|
|
1903 | |
|
|
1904 | ++p; |
|
|
1905 | } |
|
|
1906 | |
|
|
1907 | break; |
|
|
1908 | |
|
|
1909 | // inside true/false/null |
|
|
1910 | case INCR_M_TFN: |
|
|
1911 | incr_m_tfn: |
|
|
1912 | for (;;) |
|
|
1913 | switch (*p++) |
|
|
1914 | { |
|
|
1915 | case 'r': case 'u': case 'e': // tRUE, falsE, nUll |
|
|
1916 | case 'a': case 'l': case 's': // fALSe, nuLL |
|
|
1917 | // allowed |
|
|
1918 | break; |
|
|
1919 | |
|
|
1920 | default: |
|
|
1921 | --p; |
|
|
1922 | goto end_of_scalar; |
|
|
1923 | } |
|
|
1924 | |
|
|
1925 | // inside a number |
|
|
1926 | case INCR_M_NUM: |
|
|
1927 | incr_m_num: |
|
|
1928 | for (;;) |
|
|
1929 | switch (*p++) |
|
|
1930 | { |
|
|
1931 | case 'e': case 'E': case '.': case '+': |
|
|
1932 | case '-': |
|
|
1933 | case '0': case '1': case '2': case '3': case '4': |
|
|
1934 | case '5': case '6': case '7': case '8': case '9': |
|
|
1935 | // allowed |
|
|
1936 | break; |
|
|
1937 | |
|
|
1938 | default: |
|
|
1939 | --p; |
|
|
1940 | goto end_of_scalar; |
|
|
1941 | } |
1558 | |
1942 | |
1559 | // inside a string |
1943 | // inside a string |
1560 | case INCR_M_STR: |
1944 | case INCR_M_STR: |
1561 | incr_m_str: |
1945 | incr_m_str: |
1562 | for (;;) |
1946 | for (;;) |
1563 | { |
1947 | { |
1564 | if (*p == '"') |
1948 | if (*p == '"') |
1565 | { |
1949 | { |
1566 | ++p; |
1950 | ++p; |
1567 | self->incr_mode = INCR_M_JSON; |
|
|
1568 | |
|
|
1569 | if (!self->incr_nest) |
|
|
1570 | goto interrupt; |
|
|
1571 | |
|
|
1572 | goto incr_m_json; |
1951 | goto end_of_scalar; |
1573 | } |
1952 | } |
1574 | else if (*p == '\\') |
1953 | else if (*p == '\\') |
1575 | { |
1954 | { |
1576 | ++p; // "virtually" consumes character after \ |
1955 | ++p; // "virtually" consumes character after \ |
1577 | |
1956 | |
… | |
… | |
1607 | --p; // do not eat the whitespace, let the next round do it |
1986 | --p; // do not eat the whitespace, let the next round do it |
1608 | goto interrupt; |
1987 | goto interrupt; |
1609 | } |
1988 | } |
1610 | break; |
1989 | break; |
1611 | |
1990 | |
|
|
1991 | // the following three blocks handle scalars. this makes the parser |
|
|
1992 | // more strict than required inside arrays or objects, and could |
|
|
1993 | // be moved to a special case on the toplevel (except strings) |
|
|
1994 | case 't': |
|
|
1995 | case 'f': |
|
|
1996 | case 'n': |
|
|
1997 | self->incr_mode = INCR_M_TFN; |
|
|
1998 | goto incr_m_tfn; |
|
|
1999 | |
|
|
2000 | case '-': |
|
|
2001 | case '0': case '1': case '2': case '3': case '4': |
|
|
2002 | case '5': case '6': case '7': case '8': case '9': |
|
|
2003 | self->incr_mode = INCR_M_NUM; |
|
|
2004 | goto incr_m_num; |
|
|
2005 | |
1612 | case '"': |
2006 | case '"': |
1613 | self->incr_mode = INCR_M_STR; |
2007 | self->incr_mode = INCR_M_STR; |
1614 | goto incr_m_str; |
2008 | goto incr_m_str; |
1615 | |
2009 | |
1616 | case '[': |
2010 | case '[': |
1617 | case '{': |
2011 | case '{': |
|
|
2012 | case '(': |
1618 | if (++self->incr_nest > self->max_depth) |
2013 | if (++self->incr_nest > self->max_depth) |
1619 | croak (ERR_NESTING_EXCEEDED); |
2014 | croak (ERR_NESTING_EXCEEDED); |
1620 | break; |
2015 | break; |
1621 | |
2016 | |
1622 | case ']': |
2017 | case ']': |
1623 | case '}': |
2018 | case '}': |
1624 | if (--self->incr_nest <= 0) |
2019 | if (--self->incr_nest <= 0) |
1625 | goto interrupt; |
2020 | goto interrupt; |
|
|
2021 | break; |
|
|
2022 | |
|
|
2023 | case ')': |
|
|
2024 | --self->incr_nest; |
|
|
2025 | break; |
|
|
2026 | |
|
|
2027 | case '#': |
|
|
2028 | self->incr_mode = INCR_M_C1; |
|
|
2029 | goto incr_m_c; |
1626 | } |
2030 | } |
1627 | } |
2031 | } |
1628 | } |
2032 | } |
1629 | |
2033 | |
1630 | modechange: |
2034 | modechange: |
1631 | ; |
2035 | ; |
1632 | } |
2036 | } |
1633 | |
2037 | |
1634 | interrupt: |
2038 | interrupt: |
1635 | self->incr_pos = p - SvPVX (self->incr_text); |
2039 | self->incr_pos = p - SvPVX (self->incr_text); |
|
|
2040 | //printf ("interrupt<%.*s>\n", self->incr_pos, SvPVX(self->incr_text));//D |
1636 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
2041 | //printf ("return pos %d mode %d nest %d\n", self->incr_pos, self->incr_mode, self->incr_nest);//D |
1637 | } |
2042 | } |
1638 | |
2043 | |
1639 | ///////////////////////////////////////////////////////////////////////////// |
2044 | ///////////////////////////////////////////////////////////////////////////// |
1640 | // XS interface functions |
2045 | // XS interface functions |
… | |
… | |
1650 | i >= '0' && i <= '9' ? i - '0' |
2055 | i >= '0' && i <= '9' ? i - '0' |
1651 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
2056 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1652 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
2057 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1653 | : -1; |
2058 | : -1; |
1654 | |
2059 | |
1655 | json_stash = gv_stashpv ("JSON::XS" , 1); |
2060 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1656 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
2061 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1657 | |
|
|
1658 | json_true = get_bool ("JSON::XS::true"); |
|
|
1659 | json_false = get_bool ("JSON::XS::false"); |
2062 | bool_false = get_bool ("Types::Serialiser::false"); |
|
|
2063 | bool_true = get_bool ("Types::Serialiser::true"); |
|
|
2064 | |
|
|
2065 | sv_json = newSVpv ("JSON", 0); |
|
|
2066 | SvREADONLY_on (sv_json); |
1660 | |
2067 | |
1661 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
2068 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1662 | } |
2069 | } |
1663 | |
2070 | |
1664 | PROTOTYPES: DISABLE |
2071 | PROTOTYPES: DISABLE |
1665 | |
2072 | |
1666 | void CLONE (...) |
2073 | void CLONE (...) |
1667 | CODE: |
2074 | CODE: |
|
|
2075 | // as long as these writes are atomic, the race should not matter |
|
|
2076 | // as existing threads either already use 0, or use the old value, |
|
|
2077 | // which is sitll correct for the initial thread. |
1668 | json_stash = 0; |
2078 | json_stash = 0; |
1669 | json_boolean_stash = 0; |
2079 | bool_stash = 0; |
|
|
2080 | bool_false = 0; |
|
|
2081 | bool_true = 0; |
1670 | |
2082 | |
1671 | void new (char *klass) |
2083 | void new (char *klass) |
1672 | PPCODE: |
2084 | PPCODE: |
1673 | { |
2085 | { |
1674 | SV *pv = NEWSV (0, sizeof (JSON)); |
2086 | SV *pv = NEWSV (0, sizeof (JSON)); |
1675 | SvPOK_only (pv); |
2087 | SvPOK_only (pv); |
1676 | json_init ((JSON *)SvPVX (pv)); |
2088 | json_init ((JSON *)SvPVX (pv)); |
1677 | XPUSHs (sv_2mortal (sv_bless ( |
2089 | XPUSHs (sv_2mortal (sv_bless ( |
1678 | newRV_noinc (pv), |
2090 | newRV_noinc (pv), |
1679 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
2091 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1680 | ))); |
2092 | ))); |
1681 | } |
2093 | } |
|
|
2094 | |
|
|
2095 | void boolean_values (JSON *self, SV *v_false = 0, SV *v_true = 0) |
|
|
2096 | PPCODE: |
|
|
2097 | self->v_false = newSVsv (v_false); |
|
|
2098 | self->v_true = newSVsv (v_true); |
|
|
2099 | XPUSHs (ST (0)); |
|
|
2100 | |
|
|
2101 | void get_boolean_values (JSON *self) |
|
|
2102 | PPCODE: |
|
|
2103 | if (self->v_false && self->v_true) |
|
|
2104 | { |
|
|
2105 | EXTEND (SP, 2); |
|
|
2106 | PUSHs (self->v_false); |
|
|
2107 | PUSHs (self->v_true); |
|
|
2108 | } |
1682 | |
2109 | |
1683 | void ascii (JSON *self, int enable = 1) |
2110 | void ascii (JSON *self, int enable = 1) |
1684 | ALIAS: |
2111 | ALIAS: |
1685 | ascii = F_ASCII |
2112 | ascii = F_ASCII |
1686 | latin1 = F_LATIN1 |
2113 | latin1 = F_LATIN1 |
… | |
… | |
1694 | shrink = F_SHRINK |
2121 | shrink = F_SHRINK |
1695 | allow_blessed = F_ALLOW_BLESSED |
2122 | allow_blessed = F_ALLOW_BLESSED |
1696 | convert_blessed = F_CONV_BLESSED |
2123 | convert_blessed = F_CONV_BLESSED |
1697 | relaxed = F_RELAXED |
2124 | relaxed = F_RELAXED |
1698 | allow_unknown = F_ALLOW_UNKNOWN |
2125 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
2126 | allow_tags = F_ALLOW_TAGS |
1699 | PPCODE: |
2127 | PPCODE: |
1700 | { |
2128 | { |
1701 | if (enable) |
2129 | if (enable) |
1702 | self->flags |= ix; |
2130 | self->flags |= ix; |
1703 | else |
2131 | else |
… | |
… | |
1719 | get_shrink = F_SHRINK |
2147 | get_shrink = F_SHRINK |
1720 | get_allow_blessed = F_ALLOW_BLESSED |
2148 | get_allow_blessed = F_ALLOW_BLESSED |
1721 | get_convert_blessed = F_CONV_BLESSED |
2149 | get_convert_blessed = F_CONV_BLESSED |
1722 | get_relaxed = F_RELAXED |
2150 | get_relaxed = F_RELAXED |
1723 | get_allow_unknown = F_ALLOW_UNKNOWN |
2151 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2152 | get_allow_tags = F_ALLOW_TAGS |
1724 | PPCODE: |
2153 | PPCODE: |
1725 | XPUSHs (boolSV (self->flags & ix)); |
2154 | XPUSHs (boolSV (self->flags & ix)); |
1726 | |
2155 | |
1727 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2156 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1728 | PPCODE: |
2157 | PPCODE: |
… | |
… | |
1756 | } |
2185 | } |
1757 | |
2186 | |
1758 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2187 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1759 | PPCODE: |
2188 | PPCODE: |
1760 | { |
2189 | { |
1761 | if (!self->cb_sk_object) |
2190 | if (!self->cb_sk_object) |
1762 | self->cb_sk_object = newHV (); |
2191 | self->cb_sk_object = newHV (); |
1763 | |
2192 | |
1764 | if (SvOK (cb)) |
2193 | if (SvOK (cb)) |
1765 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2194 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1766 | else |
2195 | else |
… | |
… | |
1777 | XPUSHs (ST (0)); |
2206 | XPUSHs (ST (0)); |
1778 | } |
2207 | } |
1779 | |
2208 | |
1780 | void encode (JSON *self, SV *scalar) |
2209 | void encode (JSON *self, SV *scalar) |
1781 | PPCODE: |
2210 | PPCODE: |
1782 | XPUSHs (encode_json (scalar, self)); |
2211 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2212 | XPUSHs (scalar); |
1783 | |
2213 | |
1784 | void decode (JSON *self, SV *jsonstr) |
2214 | void decode (JSON *self, SV *jsonstr) |
1785 | PPCODE: |
2215 | PPCODE: |
1786 | XPUSHs (decode_json (jsonstr, self, 0)); |
2216 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2217 | XPUSHs (jsonstr); |
1787 | |
2218 | |
1788 | void decode_prefix (JSON *self, SV *jsonstr) |
2219 | void decode_prefix (JSON *self, SV *jsonstr) |
1789 | PPCODE: |
2220 | PPCODE: |
1790 | { |
2221 | { |
1791 | char *offset; |
2222 | SV *sv; |
|
|
2223 | STRLEN offset; |
|
|
2224 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1792 | EXTEND (SP, 2); |
2225 | EXTEND (SP, 2); |
1793 | PUSHs (decode_json (jsonstr, self, &offset)); |
2226 | PUSHs (sv); |
1794 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2227 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset)))); |
1795 | } |
2228 | } |
1796 | |
2229 | |
1797 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2230 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1798 | PPCODE: |
2231 | PPCODE: |
1799 | { |
2232 | { |
1800 | if (!self->incr_text) |
2233 | if (!self->incr_text) |
1801 | self->incr_text = newSVpvn ("", 0); |
2234 | self->incr_text = newSVpvn ("", 0); |
|
|
2235 | |
|
|
2236 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2237 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2238 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2239 | { |
|
|
2240 | if (self->incr_pos) |
|
|
2241 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2242 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2243 | |
|
|
2244 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2245 | } |
|
|
2246 | else |
|
|
2247 | { |
|
|
2248 | sv_utf8_upgrade (self->incr_text); |
|
|
2249 | |
|
|
2250 | if (self->incr_pos) |
|
|
2251 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2252 | - (U8 *)SvPVX (self->incr_text); |
|
|
2253 | } |
1802 | |
2254 | |
1803 | // append data, if any |
2255 | // append data, if any |
1804 | if (jsonstr) |
2256 | if (jsonstr) |
1805 | { |
2257 | { |
|
|
2258 | /* make sure both strings have same encoding */ |
|
|
2259 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
1806 | if (SvUTF8 (jsonstr)) |
2260 | if (SvUTF8 (jsonstr)) |
|
|
2261 | sv_utf8_downgrade (jsonstr, 0); |
1807 | { |
2262 | else |
1808 | if (!SvUTF8 (self->incr_text)) |
|
|
1809 | { |
|
|
1810 | /* utf-8-ness differs, need to upgrade */ |
|
|
1811 | sv_utf8_upgrade (self->incr_text); |
|
|
1812 | |
|
|
1813 | if (self->incr_pos) |
|
|
1814 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1815 | - (U8 *)SvPVX (self->incr_text); |
|
|
1816 | } |
|
|
1817 | } |
|
|
1818 | else if (SvUTF8 (self->incr_text)) |
|
|
1819 | sv_utf8_upgrade (jsonstr); |
2263 | sv_utf8_upgrade (jsonstr); |
1820 | |
2264 | |
|
|
2265 | /* and then just blindly append */ |
1821 | { |
2266 | { |
1822 | STRLEN len; |
2267 | STRLEN len; |
1823 | const char *str = SvPV (jsonstr, len); |
2268 | const char *str = SvPV (jsonstr, len); |
1824 | STRLEN cur = SvCUR (self->incr_text); |
2269 | STRLEN cur = SvCUR (self->incr_text); |
1825 | |
2270 | |
1826 | if (SvLEN (self->incr_text) <= cur + len) |
2271 | if (SvLEN (self->incr_text) - cur <= len) |
1827 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
2272 | json_sv_grow (self->incr_text, cur, len); |
1828 | |
2273 | |
1829 | Move (str, SvEND (self->incr_text), len, char); |
2274 | Move (str, SvEND (self->incr_text), len, char); |
1830 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
2275 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1831 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
2276 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1832 | } |
2277 | } |
1833 | } |
2278 | } |
1834 | |
2279 | |
1835 | if (GIMME_V != G_VOID) |
2280 | if (GIMME_V != G_VOID) |
1836 | do |
2281 | do |
1837 | { |
2282 | { |
|
|
2283 | SV *sv; |
1838 | char *offset; |
2284 | STRLEN offset; |
1839 | |
2285 | |
1840 | if (!INCR_DONE (self)) |
2286 | if (!INCR_DONE (self)) |
1841 | { |
2287 | { |
1842 | incr_parse (self); |
2288 | incr_parse (self); |
1843 | |
2289 | |
1844 | if (self->incr_pos > self->max_size && self->max_size) |
2290 | if (self->incr_pos > self->max_size && self->max_size) |
1845 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2291 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1846 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2292 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1847 | |
2293 | |
1848 | if (!INCR_DONE (self)) |
2294 | if (!INCR_DONE (self)) |
|
|
2295 | { |
|
|
2296 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2297 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2298 | { |
|
|
2299 | self->incr_pos = 0; |
|
|
2300 | SvCUR_set (self->incr_text, 0); |
|
|
2301 | } |
|
|
2302 | |
1849 | break; |
2303 | break; |
|
|
2304 | } |
1850 | } |
2305 | } |
1851 | |
2306 | |
1852 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2307 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2308 | XPUSHs (sv); |
1853 | |
2309 | |
1854 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2310 | self->incr_pos -= offset; |
1855 | self->incr_nest = 0; |
2311 | self->incr_nest = 0; |
1856 | self->incr_mode = 0; |
2312 | self->incr_mode = 0; |
1857 | |
2313 | |
1858 | sv_chop (self->incr_text, offset); |
2314 | sv_chop (self->incr_text, SvPVX (self->incr_text) + offset); |
1859 | } |
2315 | } |
1860 | while (GIMME_V == G_ARRAY); |
2316 | while (GIMME_V == G_ARRAY); |
1861 | } |
2317 | } |
1862 | |
2318 | |
1863 | SV *incr_text (JSON *self) |
2319 | SV *incr_text (JSON *self) |
… | |
… | |
1894 | self->incr_mode = 0; |
2350 | self->incr_mode = 0; |
1895 | } |
2351 | } |
1896 | |
2352 | |
1897 | void DESTROY (JSON *self) |
2353 | void DESTROY (JSON *self) |
1898 | CODE: |
2354 | CODE: |
|
|
2355 | SvREFCNT_dec (self->v_false); |
|
|
2356 | SvREFCNT_dec (self->v_true); |
1899 | SvREFCNT_dec (self->cb_sk_object); |
2357 | SvREFCNT_dec (self->cb_sk_object); |
1900 | SvREFCNT_dec (self->cb_object); |
2358 | SvREFCNT_dec (self->cb_object); |
1901 | SvREFCNT_dec (self->incr_text); |
2359 | SvREFCNT_dec (self->incr_text); |
1902 | |
2360 | |
1903 | PROTOTYPES: ENABLE |
2361 | PROTOTYPES: ENABLE |
1904 | |
2362 | |
1905 | void encode_json (SV *scalar) |
2363 | void encode_json (SV *scalar) |
1906 | ALIAS: |
|
|
1907 | to_json_ = 0 |
|
|
1908 | encode_json = F_UTF8 |
|
|
1909 | PPCODE: |
2364 | PPCODE: |
1910 | { |
2365 | { |
1911 | JSON json; |
2366 | JSON json; |
1912 | json_init (&json); |
2367 | json_init (&json); |
1913 | json.flags |= ix; |
2368 | json.flags |= F_UTF8; |
1914 | XPUSHs (encode_json (scalar, &json)); |
2369 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2370 | XPUSHs (scalar); |
1915 | } |
2371 | } |
1916 | |
2372 | |
1917 | void decode_json (SV *jsonstr) |
2373 | void decode_json (SV *jsonstr) |
1918 | ALIAS: |
|
|
1919 | from_json_ = 0 |
|
|
1920 | decode_json = F_UTF8 |
|
|
1921 | PPCODE: |
2374 | PPCODE: |
1922 | { |
2375 | { |
1923 | JSON json; |
2376 | JSON json; |
1924 | json_init (&json); |
2377 | json_init (&json); |
1925 | json.flags |= ix; |
2378 | json.flags |= F_UTF8; |
1926 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2379 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2380 | XPUSHs (jsonstr); |
1927 | } |
2381 | } |
1928 | |
2382 | |
1929 | |
|
|