1 | #include "EXTERN.h" |
1 | #include "EXTERN.h" |
2 | #include "perl.h" |
2 | #include "perl.h" |
3 | #include "XSUB.h" |
3 | #include "XSUB.h" |
4 | |
4 | |
5 | #include "assert.h" |
5 | #include <assert.h> |
6 | #include "string.h" |
6 | #include <string.h> |
7 | #include "stdlib.h" |
7 | #include <stdlib.h> |
8 | #include "stdio.h" |
8 | #include <stdio.h> |
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9 | #include <float.h> |
9 | |
10 | |
10 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
11 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
11 | # define snprintf _snprintf // C compilers have this in stdio.h |
12 | # define snprintf _snprintf // C compilers have this in stdio.h |
12 | #endif |
13 | #endif |
13 | |
14 | |
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15 | // some old perls do not have this, try to make it work, no |
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16 | // guarentees, though. if it breaks, you get to keep the pieces. |
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17 | #ifndef UTF8_MAXBYTES |
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18 | # define UTF8_MAXBYTES 13 |
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19 | #endif |
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20 | |
14 | #define F_ASCII 0x00000001UL |
21 | #define F_ASCII 0x00000001UL |
15 | #define F_LATIN1 0x00000002UL |
22 | #define F_LATIN1 0x00000002UL |
16 | #define F_UTF8 0x00000004UL |
23 | #define F_UTF8 0x00000004UL |
17 | #define F_INDENT 0x00000008UL |
24 | #define F_INDENT 0x00000008UL |
18 | #define F_CANONICAL 0x00000010UL |
25 | #define F_CANONICAL 0x00000010UL |
19 | #define F_SPACE_BEFORE 0x00000020UL |
26 | #define F_SPACE_BEFORE 0x00000020UL |
20 | #define F_SPACE_AFTER 0x00000040UL |
27 | #define F_SPACE_AFTER 0x00000040UL |
21 | #define F_ALLOW_NONREF 0x00000100UL |
28 | #define F_ALLOW_NONREF 0x00000100UL |
22 | #define F_SHRINK 0x00000200UL |
29 | #define F_SHRINK 0x00000200UL |
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30 | #define F_ALLOW_BLESSED 0x00000400UL |
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31 | #define F_CONV_BLESSED 0x00000800UL |
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32 | #define F_RELAXED 0x00001000UL |
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33 | |
23 | #define F_MAXDEPTH 0xf8000000UL |
34 | #define F_MAXDEPTH 0xf8000000UL |
24 | #define S_MAXDEPTH 27 |
35 | #define S_MAXDEPTH 27 |
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36 | #define F_MAXSIZE 0x01f00000UL |
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37 | #define S_MAXSIZE 20 |
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38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
25 | |
39 | |
26 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
40 | #define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH)) |
27 | |
41 | #define DEC_SIZE(flags) (1UL << ((flags & F_MAXSIZE ) >> S_MAXSIZE )) |
28 | // F_SELFCONVERT? <=> to_json/toJson |
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29 | // F_BLESSED? <=> { $__class__$ => } |
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30 | |
42 | |
31 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
43 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
32 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
44 | #define F_DEFAULT (9UL << S_MAXDEPTH) |
33 | |
45 | |
34 | #define INIT_SIZE 32 // initial scalar size to be allocated |
46 | #define INIT_SIZE 32 // initial scalar size to be allocated |
35 | #define INDENT_STEP 3 // spaces per indentation level |
47 | #define INDENT_STEP 3 // spaces per indentation level |
36 | |
48 | |
37 | #define SHORT_STRING_LEN 512 // special-case strings of up to this size |
49 | #define SHORT_STRING_LEN 16384 // special-case strings of up to this size |
38 | |
50 | |
39 | #define SB do { |
51 | #define SB do { |
40 | #define SE } while (0) |
52 | #define SE } while (0) |
41 | |
53 | |
42 | #if __GNUC__ >= 3 |
54 | #if __GNUC__ >= 3 |
… | |
… | |
48 | #endif |
60 | #endif |
49 | |
61 | |
50 | #define expect_false(expr) expect ((expr) != 0, 0) |
62 | #define expect_false(expr) expect ((expr) != 0, 0) |
51 | #define expect_true(expr) expect ((expr) != 0, 1) |
63 | #define expect_true(expr) expect ((expr) != 0, 1) |
52 | |
64 | |
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65 | #ifdef USE_ITHREADS |
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66 | # define JSON_SLOW 1 |
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67 | # define JSON_STASH (json_stash ? json_stash : gv_stashpv ("JSON::XS", 1)) |
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68 | #else |
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69 | # define JSON_SLOW 0 |
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70 | # define JSON_STASH json_stash |
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71 | #endif |
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72 | |
53 | static HV *json_stash; // JSON::XS:: |
73 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
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74 | static SV *json_true, *json_false; |
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75 | |
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76 | typedef struct { |
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77 | U32 flags; |
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78 | SV *cb_object; |
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79 | HV *cb_sk_object; |
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80 | } JSON; |
54 | |
81 | |
55 | ///////////////////////////////////////////////////////////////////////////// |
82 | ///////////////////////////////////////////////////////////////////////////// |
56 | // utility functions |
83 | // utility functions |
57 | |
84 | |
58 | static UV * |
85 | inline void |
59 | SvJSON (SV *sv) |
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60 | { |
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61 | if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash)) |
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62 | croak ("object is not of type JSON::XS"); |
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63 | |
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64 | return &SvUVX (SvRV (sv)); |
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65 | } |
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66 | |
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67 | static void |
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68 | shrink (SV *sv) |
86 | shrink (SV *sv) |
69 | { |
87 | { |
70 | sv_utf8_downgrade (sv, 1); |
88 | sv_utf8_downgrade (sv, 1); |
71 | if (SvLEN (sv) > SvCUR (sv) + 1) |
89 | if (SvLEN (sv) > SvCUR (sv) + 1) |
72 | { |
90 | { |
… | |
… | |
107 | typedef struct |
125 | typedef struct |
108 | { |
126 | { |
109 | char *cur; // SvPVX (sv) + current output position |
127 | char *cur; // SvPVX (sv) + current output position |
110 | char *end; // SvEND (sv) |
128 | char *end; // SvEND (sv) |
111 | SV *sv; // result scalar |
129 | SV *sv; // result scalar |
112 | U32 flags; // F_* |
130 | JSON json; |
113 | U32 indent; // indentation level |
131 | U32 indent; // indentation level |
114 | U32 maxdepth; // max. indentation/recursion level |
132 | U32 maxdepth; // max. indentation/recursion level |
115 | } enc_t; |
133 | } enc_t; |
116 | |
134 | |
117 | inline void |
135 | inline void |
… | |
… | |
178 | STRLEN clen; |
196 | STRLEN clen; |
179 | UV uch; |
197 | UV uch; |
180 | |
198 | |
181 | if (is_utf8) |
199 | if (is_utf8) |
182 | { |
200 | { |
183 | //uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY); |
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184 | uch = decode_utf8 (str, end - str, &clen); |
201 | uch = decode_utf8 (str, end - str, &clen); |
185 | if (clen == (STRLEN)-1) |
202 | if (clen == (STRLEN)-1) |
186 | croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str); |
203 | croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str); |
187 | } |
204 | } |
188 | else |
205 | else |
… | |
… | |
192 | } |
209 | } |
193 | |
210 | |
194 | if (uch > 0x10FFFFUL) |
211 | if (uch > 0x10FFFFUL) |
195 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
212 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
196 | |
213 | |
197 | if (uch < 0x80 || enc->flags & F_ASCII || (enc->flags & F_LATIN1 && uch > 0xFF)) |
214 | if (uch < 0x80 || enc->json.flags & F_ASCII || (enc->json.flags & F_LATIN1 && uch > 0xFF)) |
198 | { |
215 | { |
199 | if (uch > 0xFFFFUL) |
216 | if (uch > 0xFFFFUL) |
200 | { |
217 | { |
201 | need (enc, len += 11); |
218 | need (enc, len += 11); |
202 | sprintf (enc->cur, "\\u%04x\\u%04x", |
219 | sprintf (enc->cur, "\\u%04x\\u%04x", |
… | |
… | |
216 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
233 | *enc->cur++ = hexdigit [(uch >> 0) & 15]; |
217 | } |
234 | } |
218 | |
235 | |
219 | str += clen; |
236 | str += clen; |
220 | } |
237 | } |
221 | else if (enc->flags & F_LATIN1) |
238 | else if (enc->json.flags & F_LATIN1) |
222 | { |
239 | { |
223 | *enc->cur++ = uch; |
240 | *enc->cur++ = uch; |
224 | str += clen; |
241 | str += clen; |
225 | } |
242 | } |
226 | else if (is_utf8) |
243 | else if (is_utf8) |
… | |
… | |
247 | } |
264 | } |
248 | |
265 | |
249 | inline void |
266 | inline void |
250 | encode_indent (enc_t *enc) |
267 | encode_indent (enc_t *enc) |
251 | { |
268 | { |
252 | if (enc->flags & F_INDENT) |
269 | if (enc->json.flags & F_INDENT) |
253 | { |
270 | { |
254 | int spaces = enc->indent * INDENT_STEP; |
271 | int spaces = enc->indent * INDENT_STEP; |
255 | |
272 | |
256 | need (enc, spaces); |
273 | need (enc, spaces); |
257 | memset (enc->cur, ' ', spaces); |
274 | memset (enc->cur, ' ', spaces); |
… | |
… | |
267 | } |
284 | } |
268 | |
285 | |
269 | inline void |
286 | inline void |
270 | encode_nl (enc_t *enc) |
287 | encode_nl (enc_t *enc) |
271 | { |
288 | { |
272 | if (enc->flags & F_INDENT) |
289 | if (enc->json.flags & F_INDENT) |
273 | { |
290 | { |
274 | need (enc, 1); |
291 | need (enc, 1); |
275 | encode_ch (enc, '\n'); |
292 | encode_ch (enc, '\n'); |
276 | } |
293 | } |
277 | } |
294 | } |
… | |
… | |
279 | inline void |
296 | inline void |
280 | encode_comma (enc_t *enc) |
297 | encode_comma (enc_t *enc) |
281 | { |
298 | { |
282 | encode_ch (enc, ','); |
299 | encode_ch (enc, ','); |
283 | |
300 | |
284 | if (enc->flags & F_INDENT) |
301 | if (enc->json.flags & F_INDENT) |
285 | encode_nl (enc); |
302 | encode_nl (enc); |
286 | else if (enc->flags & F_SPACE_AFTER) |
303 | else if (enc->json.flags & F_SPACE_AFTER) |
287 | encode_space (enc); |
304 | encode_space (enc); |
288 | } |
305 | } |
289 | |
306 | |
290 | static void encode_sv (enc_t *enc, SV *sv); |
307 | static void encode_sv (enc_t *enc, SV *sv); |
291 | |
308 | |
… | |
… | |
300 | encode_ch (enc, '['); encode_nl (enc); |
317 | encode_ch (enc, '['); encode_nl (enc); |
301 | ++enc->indent; |
318 | ++enc->indent; |
302 | |
319 | |
303 | for (i = 0; i <= len; ++i) |
320 | for (i = 0; i <= len; ++i) |
304 | { |
321 | { |
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322 | SV **svp = av_fetch (av, i, 0); |
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323 | |
305 | encode_indent (enc); |
324 | encode_indent (enc); |
306 | encode_sv (enc, *av_fetch (av, i, 0)); |
325 | |
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326 | if (svp) |
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327 | encode_sv (enc, *svp); |
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328 | else |
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329 | encode_str (enc, "null", 4, 0); |
307 | |
330 | |
308 | if (i < len) |
331 | if (i < len) |
309 | encode_comma (enc); |
332 | encode_comma (enc); |
310 | } |
333 | } |
311 | |
334 | |
… | |
… | |
314 | --enc->indent; |
337 | --enc->indent; |
315 | encode_indent (enc); encode_ch (enc, ']'); |
338 | encode_indent (enc); encode_ch (enc, ']'); |
316 | } |
339 | } |
317 | |
340 | |
318 | static void |
341 | static void |
319 | encode_he (enc_t *enc, HE *he) |
342 | encode_hk (enc_t *enc, HE *he) |
320 | { |
343 | { |
321 | encode_ch (enc, '"'); |
344 | encode_ch (enc, '"'); |
322 | |
345 | |
323 | if (HeKLEN (he) == HEf_SVKEY) |
346 | if (HeKLEN (he) == HEf_SVKEY) |
324 | { |
347 | { |
… | |
… | |
334 | else |
357 | else |
335 | encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); |
358 | encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); |
336 | |
359 | |
337 | encode_ch (enc, '"'); |
360 | encode_ch (enc, '"'); |
338 | |
361 | |
339 | if (enc->flags & F_SPACE_BEFORE) encode_space (enc); |
362 | if (enc->json.flags & F_SPACE_BEFORE) encode_space (enc); |
340 | encode_ch (enc, ':'); |
363 | encode_ch (enc, ':'); |
341 | if (enc->flags & F_SPACE_AFTER ) encode_space (enc); |
364 | if (enc->json.flags & F_SPACE_AFTER ) encode_space (enc); |
342 | encode_sv (enc, HeVAL (he)); |
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343 | } |
365 | } |
344 | |
366 | |
345 | // compare hash entries, used when all keys are bytestrings |
367 | // compare hash entries, used when all keys are bytestrings |
346 | static int |
368 | static int |
347 | he_cmp_fast (const void *a_, const void *b_) |
369 | he_cmp_fast (const void *a_, const void *b_) |
… | |
… | |
352 | HE *b = *(HE **)b_; |
374 | HE *b = *(HE **)b_; |
353 | |
375 | |
354 | STRLEN la = HeKLEN (a); |
376 | STRLEN la = HeKLEN (a); |
355 | STRLEN lb = HeKLEN (b); |
377 | STRLEN lb = HeKLEN (b); |
356 | |
378 | |
357 | if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb))) |
379 | if (!(cmp = memcmp (HeKEY (b), HeKEY (a), lb < la ? lb : la))) |
358 | cmp = la - lb; |
380 | cmp = lb - la; |
359 | |
381 | |
360 | return cmp; |
382 | return cmp; |
361 | } |
383 | } |
362 | |
384 | |
363 | // compare hash entries, used when some keys are sv's or utf-x |
385 | // compare hash entries, used when some keys are sv's or utf-x |
364 | static int |
386 | static int |
365 | he_cmp_slow (const void *a, const void *b) |
387 | he_cmp_slow (const void *a, const void *b) |
366 | { |
388 | { |
367 | return sv_cmp (HeSVKEY_force (*(HE **)a), HeSVKEY_force (*(HE **)b)); |
389 | return sv_cmp (HeSVKEY_force (*(HE **)b), HeSVKEY_force (*(HE **)a)); |
368 | } |
390 | } |
369 | |
391 | |
370 | static void |
392 | static void |
371 | encode_hv (enc_t *enc, HV *hv) |
393 | encode_hv (enc_t *enc, HV *hv) |
372 | { |
394 | { |
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395 | HE *he; |
373 | int count, i; |
396 | int count; |
374 | |
397 | |
375 | if (enc->indent >= enc->maxdepth) |
398 | if (enc->indent >= enc->maxdepth) |
376 | croak ("data structure too deep (hit recursion limit)"); |
399 | croak ("data structure too deep (hit recursion limit)"); |
377 | |
400 | |
378 | encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
401 | encode_ch (enc, '{'); encode_nl (enc); ++enc->indent; |
379 | |
402 | |
380 | if ((count = hv_iterinit (hv))) |
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381 | { |
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382 | // for canonical output we have to sort by keys first |
403 | // for canonical output we have to sort by keys first |
383 | // actually, this is mostly due to the stupid so-called |
404 | // actually, this is mostly due to the stupid so-called |
384 | // security workaround added somewhere in 5.8.x. |
405 | // security workaround added somewhere in 5.8.x. |
385 | // that randomises hash orderings |
406 | // that randomises hash orderings |
386 | if (enc->flags & F_CANONICAL) |
407 | if (enc->json.flags & F_CANONICAL) |
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408 | { |
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409 | int count = hv_iterinit (hv); |
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410 | |
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411 | if (SvMAGICAL (hv)) |
387 | { |
412 | { |
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413 | // need to count by iterating. could improve by dynamically building the vector below |
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414 | // but I don't care for the speed of this special case. |
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415 | // note also that we will run into undefined behaviour when the two iterations |
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416 | // do not result in the same count, something I might care for in some later release. |
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417 | |
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418 | count = 0; |
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419 | while (hv_iternext (hv)) |
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420 | ++count; |
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421 | |
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422 | hv_iterinit (hv); |
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423 | } |
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424 | |
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425 | if (count) |
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426 | { |
388 | int fast = 1; |
427 | int i, fast = 1; |
389 | HE *he; |
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390 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
428 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
391 | HE **hes = _alloca (count * sizeof (HE)); |
429 | HE **hes = _alloca (count * sizeof (HE)); |
392 | #else |
430 | #else |
393 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
431 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
394 | #endif |
432 | #endif |
… | |
… | |
421 | |
459 | |
422 | FREETMPS; |
460 | FREETMPS; |
423 | LEAVE; |
461 | LEAVE; |
424 | } |
462 | } |
425 | |
463 | |
426 | for (i = 0; i < count; ++i) |
464 | while (count--) |
427 | { |
465 | { |
428 | encode_indent (enc); |
466 | encode_indent (enc); |
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467 | he = hes [count]; |
429 | encode_he (enc, hes [i]); |
468 | encode_hk (enc, he); |
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469 | encode_sv (enc, expect_false (SvMAGICAL (hv)) ? hv_iterval (hv, he) : HeVAL (he)); |
430 | |
470 | |
431 | if (i < count - 1) |
471 | if (count) |
432 | encode_comma (enc); |
472 | encode_comma (enc); |
433 | } |
473 | } |
434 | |
474 | } |
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475 | } |
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476 | else |
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477 | { |
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478 | if (hv_iterinit (hv) || SvMAGICAL (hv)) |
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479 | if ((he = hv_iternext (hv))) |
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480 | for (;;) |
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481 | { |
435 | encode_nl (enc); |
482 | encode_indent (enc); |
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483 | encode_hk (enc, he); |
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484 | encode_sv (enc, expect_false (SvMAGICAL (hv)) ? hv_iterval (hv, he) : HeVAL (he)); |
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485 | |
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486 | if (!(he = hv_iternext (hv))) |
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487 | break; |
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488 | |
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489 | encode_comma (enc); |
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490 | } |
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491 | } |
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492 | |
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493 | encode_nl (enc); |
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494 | |
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495 | --enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
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496 | } |
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497 | |
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498 | // encode objects, arrays and special \0=false and \1=true values. |
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499 | static void |
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500 | encode_rv (enc_t *enc, SV *sv) |
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501 | { |
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502 | svtype svt; |
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503 | |
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504 | SvGETMAGIC (sv); |
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505 | svt = SvTYPE (sv); |
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506 | |
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507 | if (expect_false (SvOBJECT (sv))) |
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508 | { |
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509 | HV *stash = !JSON_SLOW || json_boolean_stash |
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510 | ? json_boolean_stash |
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511 | : gv_stashpv ("JSON::XS::Boolean", 1); |
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512 | |
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513 | if (SvSTASH (sv) == stash) |
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514 | { |
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515 | if (SvIV (sv)) |
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516 | encode_str (enc, "true", 4, 0); |
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517 | else |
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518 | encode_str (enc, "false", 5, 0); |
436 | } |
519 | } |
437 | else |
520 | else |
438 | { |
521 | { |
439 | HE *he = hv_iternext (hv); |
522 | #if 0 |
440 | |
523 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
441 | for (;;) |
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442 | { |
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443 | encode_indent (enc); |
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444 | encode_he (enc, he); |
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445 | |
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446 | if (!(he = hv_iternext (hv))) |
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447 | break; |
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448 | |
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449 | encode_comma (enc); |
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450 | } |
524 | { |
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525 | // not yet |
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526 | } |
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527 | #endif |
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528 | if (enc->json.flags & F_CONV_BLESSED) |
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529 | { |
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530 | // we re-bless the reference to get overload and other niceties right |
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531 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
451 | |
532 | |
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533 | if (to_json) |
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534 | { |
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535 | dSP; |
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536 | |
|
|
537 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
538 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
539 | |
|
|
540 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
541 | PUTBACK; |
|
|
542 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
543 | SPAGAIN; |
|
|
544 | |
|
|
545 | // catch this surprisingly common error |
|
|
546 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
547 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
548 | |
|
|
549 | sv = POPs; |
|
|
550 | PUTBACK; |
|
|
551 | |
452 | encode_nl (enc); |
552 | encode_sv (enc, sv); |
|
|
553 | |
|
|
554 | FREETMPS; LEAVE; |
|
|
555 | } |
|
|
556 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
557 | encode_str (enc, "null", 4, 0); |
|
|
558 | else |
|
|
559 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
560 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
561 | } |
|
|
562 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
563 | encode_str (enc, "null", 4, 0); |
|
|
564 | else |
|
|
565 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
|
|
566 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
453 | } |
567 | } |
454 | } |
568 | } |
455 | |
|
|
456 | --enc->indent; encode_indent (enc); encode_ch (enc, '}'); |
|
|
457 | } |
|
|
458 | |
|
|
459 | // encode objects, arrays and special \0=false and \1=true values. |
|
|
460 | static void |
|
|
461 | encode_rv (enc_t *enc, SV *sv) |
|
|
462 | { |
|
|
463 | svtype svt; |
|
|
464 | |
|
|
465 | SvGETMAGIC (sv); |
|
|
466 | svt = SvTYPE (sv); |
|
|
467 | |
|
|
468 | if (svt == SVt_PVHV) |
569 | else if (svt == SVt_PVHV) |
469 | encode_hv (enc, (HV *)sv); |
570 | encode_hv (enc, (HV *)sv); |
470 | else if (svt == SVt_PVAV) |
571 | else if (svt == SVt_PVAV) |
471 | encode_av (enc, (AV *)sv); |
572 | encode_av (enc, (AV *)sv); |
472 | else if (svt < SVt_PVAV) |
573 | else if (svt < SVt_PVAV) |
473 | { |
574 | { |
474 | if (SvNIOK (sv) && SvIV (sv) == 0) |
575 | STRLEN len = 0; |
|
|
576 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
577 | |
|
|
578 | if (len == 1 && *pv == '1') |
|
|
579 | encode_str (enc, "true", 4, 0); |
|
|
580 | else if (len == 1 && *pv == '0') |
475 | encode_str (enc, "false", 5, 0); |
581 | encode_str (enc, "false", 5, 0); |
476 | else if (SvNIOK (sv) && SvIV (sv) == 1) |
|
|
477 | encode_str (enc, "true", 4, 0); |
|
|
478 | else |
582 | else |
479 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
583 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
480 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
584 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
481 | } |
585 | } |
482 | else |
586 | else |
… | |
… | |
497 | encode_str (enc, str, len, SvUTF8 (sv)); |
601 | encode_str (enc, str, len, SvUTF8 (sv)); |
498 | encode_ch (enc, '"'); |
602 | encode_ch (enc, '"'); |
499 | } |
603 | } |
500 | else if (SvNOKp (sv)) |
604 | else if (SvNOKp (sv)) |
501 | { |
605 | { |
|
|
606 | // trust that perl will do the right thing w.r.t. JSON syntax. |
502 | need (enc, NV_DIG + 32); |
607 | need (enc, NV_DIG + 32); |
503 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
608 | Gconvert (SvNVX (sv), NV_DIG, 0, enc->cur); |
504 | enc->cur += strlen (enc->cur); |
609 | enc->cur += strlen (enc->cur); |
505 | } |
610 | } |
506 | else if (SvIOKp (sv)) |
611 | else if (SvIOKp (sv)) |
507 | { |
612 | { |
508 | // we assume we can always read an IV as a UV |
613 | // we assume we can always read an IV as a UV |
509 | if (SvUV (sv) & ~(UV)0x7fff) |
614 | if (SvUV (sv) & ~(UV)0x7fff) |
510 | { |
615 | { |
|
|
616 | // large integer, use the (rather slow) snprintf way. |
511 | need (enc, 32); |
617 | need (enc, sizeof (UV) * 3); |
512 | enc->cur += |
618 | enc->cur += |
513 | SvIsUV(sv) |
619 | SvIsUV(sv) |
514 | ? snprintf (enc->cur, 32, "%"UVuf, (UV)SvUVX (sv)) |
620 | ? snprintf (enc->cur, sizeof (UV) * 3, "%"UVuf, (UV)SvUVX (sv)) |
515 | : snprintf (enc->cur, 32, "%"IVdf, (IV)SvIVX (sv)); |
621 | : snprintf (enc->cur, sizeof (UV) * 3, "%"IVdf, (IV)SvIVX (sv)); |
516 | } |
622 | } |
517 | else |
623 | else |
518 | { |
624 | { |
519 | // optimise the "small number case" |
625 | // optimise the "small number case" |
520 | // code will likely be branchless and use only a single multiplication |
626 | // code will likely be branchless and use only a single multiplication |
521 | I32 i = SvIV (sv); |
627 | I32 i = SvIV (sv); |
522 | U32 u; |
628 | U32 u; |
|
|
629 | char digit, nz = 0; |
523 | |
630 | |
524 | need (enc, 6); |
631 | need (enc, 6); |
525 | |
632 | |
526 | *enc->cur = '-'; enc->cur += i < 0 ? 1 : 0; |
633 | *enc->cur = '-'; enc->cur += i < 0 ? 1 : 0; |
527 | u = i < 0 ? -i : i; |
634 | u = i < 0 ? -i : i; |
528 | |
635 | |
529 | // convert to 4.28 fixed-point representation |
636 | // convert to 4.28 fixed-point representation |
530 | u = u * ((0xfffffff + 10000) / 10000); // 10**5, 5 fractional digits |
637 | u = u * ((0xfffffff + 10000) / 10000); // 10**5, 5 fractional digits |
531 | |
638 | |
532 | char digit, nz = 0; |
639 | // now output digit by digit, each time masking out the integer part |
533 | |
640 | // and multiplying by 5 while moving the decimal point one to the right, |
|
|
641 | // resulting in a net multiplication by 10. |
|
|
642 | // we always write the digit to memory but conditionally increment |
|
|
643 | // the pointer, to ease the usage of conditional move instructions. |
534 | digit = u >> 28; *enc->cur = digit + '0'; nz |= digit; enc->cur += nz ? 1 : 0; u = (u & 0xfffffff) * 5; |
644 | digit = u >> 28; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0xfffffff) * 5; |
535 | digit = u >> 27; *enc->cur = digit + '0'; nz |= digit; enc->cur += nz ? 1 : 0; u = (u & 0x7ffffff) * 5; |
645 | digit = u >> 27; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x7ffffff) * 5; |
536 | digit = u >> 26; *enc->cur = digit + '0'; nz |= digit; enc->cur += nz ? 1 : 0; u = (u & 0x3ffffff) * 5; |
646 | digit = u >> 26; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x3ffffff) * 5; |
537 | digit = u >> 25; *enc->cur = digit + '0'; nz |= digit; enc->cur += nz ? 1 : 0; u = (u & 0x1ffffff) * 5; |
647 | digit = u >> 25; *enc->cur = digit + '0'; enc->cur += (nz = nz || digit); u = (u & 0x1ffffff) * 5; |
538 | digit = u >> 24; *enc->cur = digit + '0'; nz |= digit; enc->cur += 1; |
648 | digit = u >> 24; *enc->cur = digit + '0'; enc->cur += 1; // correctly generate '0' |
539 | } |
649 | } |
540 | } |
650 | } |
541 | else if (SvROK (sv)) |
651 | else if (SvROK (sv)) |
542 | encode_rv (enc, SvRV (sv)); |
652 | encode_rv (enc, SvRV (sv)); |
543 | else if (!SvOK (sv)) |
653 | else if (!SvOK (sv)) |
… | |
… | |
546 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
656 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
547 | SvPV_nolen (sv), SvFLAGS (sv)); |
657 | SvPV_nolen (sv), SvFLAGS (sv)); |
548 | } |
658 | } |
549 | |
659 | |
550 | static SV * |
660 | static SV * |
551 | encode_json (SV *scalar, U32 flags) |
661 | encode_json (SV *scalar, JSON *json) |
552 | { |
662 | { |
553 | enc_t enc; |
663 | enc_t enc; |
554 | |
664 | |
555 | if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
665 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
556 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
666 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
557 | |
667 | |
558 | enc.flags = flags; |
668 | enc.json = *json; |
559 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
669 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
560 | enc.cur = SvPVX (enc.sv); |
670 | enc.cur = SvPVX (enc.sv); |
561 | enc.end = SvEND (enc.sv); |
671 | enc.end = SvEND (enc.sv); |
562 | enc.indent = 0; |
672 | enc.indent = 0; |
563 | enc.maxdepth = DEC_DEPTH (flags); |
673 | enc.maxdepth = DEC_DEPTH (enc.json.flags); |
564 | |
674 | |
565 | SvPOK_only (enc.sv); |
675 | SvPOK_only (enc.sv); |
566 | encode_sv (&enc, scalar); |
676 | encode_sv (&enc, scalar); |
567 | |
677 | |
568 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
678 | SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); |
569 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
679 | *SvEND (enc.sv) = 0; // many xs functions expect a trailing 0 for text strings |
570 | |
680 | |
571 | if (!(flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
681 | if (!(enc.json.flags & (F_ASCII | F_LATIN1 | F_UTF8))) |
572 | SvUTF8_on (enc.sv); |
682 | SvUTF8_on (enc.sv); |
573 | |
683 | |
574 | if (enc.flags & F_SHRINK) |
684 | if (enc.json.flags & F_SHRINK) |
575 | shrink (enc.sv); |
685 | shrink (enc.sv); |
576 | |
686 | |
577 | return enc.sv; |
687 | return enc.sv; |
578 | } |
688 | } |
579 | |
689 | |
… | |
… | |
584 | typedef struct |
694 | typedef struct |
585 | { |
695 | { |
586 | char *cur; // current parser pointer |
696 | char *cur; // current parser pointer |
587 | char *end; // end of input string |
697 | char *end; // end of input string |
588 | const char *err; // parse error, if != 0 |
698 | const char *err; // parse error, if != 0 |
589 | U32 flags; // F_* |
699 | JSON json; |
590 | U32 depth; // recursion depth |
700 | U32 depth; // recursion depth |
591 | U32 maxdepth; // recursion depth limit |
701 | U32 maxdepth; // recursion depth limit |
592 | } dec_t; |
702 | } dec_t; |
593 | |
703 | |
594 | inline void |
704 | inline void |
… | |
… | |
599 | char ch = *dec->cur; |
709 | char ch = *dec->cur; |
600 | |
710 | |
601 | if (ch > 0x20 |
711 | if (ch > 0x20 |
602 | || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) |
712 | || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) |
603 | break; |
713 | break; |
|
|
714 | |
|
|
715 | if (ch == '#' && dec->json.flags & F_RELAXED) |
|
|
716 | ++dec->cur; |
604 | |
717 | |
605 | ++dec->cur; |
718 | ++dec->cur; |
606 | } |
719 | } |
607 | } |
720 | } |
608 | |
721 | |
… | |
… | |
625 | decode_4hex (dec_t *dec) |
738 | decode_4hex (dec_t *dec) |
626 | { |
739 | { |
627 | signed char d1, d2, d3, d4; |
740 | signed char d1, d2, d3, d4; |
628 | unsigned char *cur = (unsigned char *)dec->cur; |
741 | unsigned char *cur = (unsigned char *)dec->cur; |
629 | |
742 | |
630 | d1 = decode_hexdigit [cur [0]]; if (expect_false (d1 < 0)) ERR ("four hexadecimal digits expected"); |
743 | d1 = decode_hexdigit [cur [0]]; if (expect_false (d1 < 0)) ERR ("exactly four hexadecimal digits expected"); |
631 | d2 = decode_hexdigit [cur [1]]; if (expect_false (d2 < 0)) ERR ("four hexadecimal digits expected"); |
744 | d2 = decode_hexdigit [cur [1]]; if (expect_false (d2 < 0)) ERR ("exactly four hexadecimal digits expected"); |
632 | d3 = decode_hexdigit [cur [2]]; if (expect_false (d3 < 0)) ERR ("four hexadecimal digits expected"); |
745 | d3 = decode_hexdigit [cur [2]]; if (expect_false (d3 < 0)) ERR ("exactly four hexadecimal digits expected"); |
633 | d4 = decode_hexdigit [cur [3]]; if (expect_false (d4 < 0)) ERR ("four hexadecimal digits expected"); |
746 | d4 = decode_hexdigit [cur [3]]; if (expect_false (d4 < 0)) ERR ("exactly four hexadecimal digits expected"); |
634 | |
747 | |
635 | dec->cur += 4; |
748 | dec->cur += 4; |
636 | |
749 | |
637 | return ((UV)d1) << 12 |
750 | return ((UV)d1) << 12 |
638 | | ((UV)d2) << 8 |
751 | | ((UV)d2) << 8 |
… | |
… | |
646 | static SV * |
759 | static SV * |
647 | decode_str (dec_t *dec) |
760 | decode_str (dec_t *dec) |
648 | { |
761 | { |
649 | SV *sv = 0; |
762 | SV *sv = 0; |
650 | int utf8 = 0; |
763 | int utf8 = 0; |
|
|
764 | char *dec_cur = dec->cur; |
651 | |
765 | |
652 | do |
766 | do |
653 | { |
767 | { |
654 | char buf [SHORT_STRING_LEN + UTF8_MAXBYTES]; |
768 | char buf [SHORT_STRING_LEN + UTF8_MAXBYTES]; |
655 | char *cur = buf; |
769 | char *cur = buf; |
656 | |
770 | |
657 | do |
771 | do |
658 | { |
772 | { |
659 | unsigned char ch = *(unsigned char *)dec->cur++; |
773 | unsigned char ch = *(unsigned char *)dec_cur++; |
660 | |
774 | |
661 | if (expect_false (ch == '"')) |
775 | if (expect_false (ch == '"')) |
662 | { |
776 | { |
663 | --dec->cur; |
777 | --dec_cur; |
664 | break; |
778 | break; |
665 | } |
779 | } |
666 | else if (expect_false (ch == '\\')) |
780 | else if (expect_false (ch == '\\')) |
667 | { |
781 | { |
668 | switch (*dec->cur) |
782 | switch (*dec_cur) |
669 | { |
783 | { |
670 | case '\\': |
784 | case '\\': |
671 | case '/': |
785 | case '/': |
672 | case '"': *cur++ = *dec->cur++; break; |
786 | case '"': *cur++ = *dec_cur++; break; |
673 | |
787 | |
674 | case 'b': ++dec->cur; *cur++ = '\010'; break; |
788 | case 'b': ++dec_cur; *cur++ = '\010'; break; |
675 | case 't': ++dec->cur; *cur++ = '\011'; break; |
789 | case 't': ++dec_cur; *cur++ = '\011'; break; |
676 | case 'n': ++dec->cur; *cur++ = '\012'; break; |
790 | case 'n': ++dec_cur; *cur++ = '\012'; break; |
677 | case 'f': ++dec->cur; *cur++ = '\014'; break; |
791 | case 'f': ++dec_cur; *cur++ = '\014'; break; |
678 | case 'r': ++dec->cur; *cur++ = '\015'; break; |
792 | case 'r': ++dec_cur; *cur++ = '\015'; break; |
679 | |
793 | |
680 | case 'u': |
794 | case 'u': |
681 | { |
795 | { |
682 | UV lo, hi; |
796 | UV lo, hi; |
683 | ++dec->cur; |
797 | ++dec_cur; |
684 | |
798 | |
|
|
799 | dec->cur = dec_cur; |
685 | hi = decode_4hex (dec); |
800 | hi = decode_4hex (dec); |
|
|
801 | dec_cur = dec->cur; |
686 | if (hi == (UV)-1) |
802 | if (hi == (UV)-1) |
687 | goto fail; |
803 | goto fail; |
688 | |
804 | |
689 | // possibly a surrogate pair |
805 | // possibly a surrogate pair |
690 | if (hi >= 0xd800) |
806 | if (hi >= 0xd800) |
691 | if (hi < 0xdc00) |
807 | if (hi < 0xdc00) |
692 | { |
808 | { |
693 | if (dec->cur [0] != '\\' || dec->cur [1] != 'u') |
809 | if (dec_cur [0] != '\\' || dec_cur [1] != 'u') |
694 | ERR ("missing low surrogate character in surrogate pair"); |
810 | ERR ("missing low surrogate character in surrogate pair"); |
695 | |
811 | |
696 | dec->cur += 2; |
812 | dec_cur += 2; |
697 | |
813 | |
|
|
814 | dec->cur = dec_cur; |
698 | lo = decode_4hex (dec); |
815 | lo = decode_4hex (dec); |
|
|
816 | dec_cur = dec->cur; |
699 | if (lo == (UV)-1) |
817 | if (lo == (UV)-1) |
700 | goto fail; |
818 | goto fail; |
701 | |
819 | |
702 | if (lo < 0xdc00 || lo >= 0xe000) |
820 | if (lo < 0xdc00 || lo >= 0xe000) |
703 | ERR ("surrogate pair expected"); |
821 | ERR ("surrogate pair expected"); |
… | |
… | |
717 | *cur++ = hi; |
835 | *cur++ = hi; |
718 | } |
836 | } |
719 | break; |
837 | break; |
720 | |
838 | |
721 | default: |
839 | default: |
722 | --dec->cur; |
840 | --dec_cur; |
723 | ERR ("illegal backslash escape sequence in string"); |
841 | ERR ("illegal backslash escape sequence in string"); |
724 | } |
842 | } |
725 | } |
843 | } |
726 | else if (expect_true (ch >= 0x20 && ch <= 0x7f)) |
844 | else if (expect_true (ch >= 0x20 && ch <= 0x7f)) |
727 | *cur++ = ch; |
845 | *cur++ = ch; |
728 | else if (ch >= 0x80) |
846 | else if (ch >= 0x80) |
729 | { |
847 | { |
730 | STRLEN clen; |
848 | STRLEN clen; |
731 | UV uch; |
849 | UV uch; |
732 | |
850 | |
733 | --dec->cur; |
851 | --dec_cur; |
734 | |
852 | |
735 | uch = decode_utf8 (dec->cur, dec->end - dec->cur, &clen); |
853 | uch = decode_utf8 (dec_cur, dec->end - dec_cur, &clen); |
736 | if (clen == (STRLEN)-1) |
854 | if (clen == (STRLEN)-1) |
737 | ERR ("malformed UTF-8 character in JSON string"); |
855 | ERR ("malformed UTF-8 character in JSON string"); |
738 | |
856 | |
739 | do |
857 | do |
740 | *cur++ = *dec->cur++; |
858 | *cur++ = *dec_cur++; |
741 | while (--clen); |
859 | while (--clen); |
742 | |
860 | |
743 | utf8 = 1; |
861 | utf8 = 1; |
744 | } |
862 | } |
745 | else |
863 | else |
746 | { |
864 | { |
747 | --dec->cur; |
865 | --dec_cur; |
748 | |
866 | |
749 | if (!ch) |
867 | if (!ch) |
750 | ERR ("unexpected end of string while parsing JSON string"); |
868 | ERR ("unexpected end of string while parsing JSON string"); |
751 | else |
869 | else |
752 | ERR ("invalid character encountered while parsing JSON string"); |
870 | ERR ("invalid character encountered while parsing JSON string"); |
… | |
… | |
765 | } |
883 | } |
766 | else |
884 | else |
767 | sv = newSVpvn (buf, len); |
885 | sv = newSVpvn (buf, len); |
768 | } |
886 | } |
769 | } |
887 | } |
770 | while (*dec->cur != '"'); |
888 | while (*dec_cur != '"'); |
771 | |
889 | |
772 | ++dec->cur; |
890 | ++dec_cur; |
773 | |
891 | |
774 | if (sv) |
892 | if (sv) |
775 | { |
893 | { |
776 | SvPOK_only (sv); |
894 | SvPOK_only (sv); |
777 | *SvEND (sv) = 0; |
895 | *SvEND (sv) = 0; |
… | |
… | |
780 | SvUTF8_on (sv); |
898 | SvUTF8_on (sv); |
781 | } |
899 | } |
782 | else |
900 | else |
783 | sv = newSVpvn ("", 0); |
901 | sv = newSVpvn ("", 0); |
784 | |
902 | |
|
|
903 | dec->cur = dec_cur; |
785 | return sv; |
904 | return sv; |
786 | |
905 | |
787 | fail: |
906 | fail: |
|
|
907 | dec->cur = dec_cur; |
788 | return 0; |
908 | return 0; |
789 | } |
909 | } |
790 | |
910 | |
791 | static SV * |
911 | static SV * |
792 | decode_num (dec_t *dec) |
912 | decode_num (dec_t *dec) |
… | |
… | |
850 | is_nv = 1; |
970 | is_nv = 1; |
851 | } |
971 | } |
852 | |
972 | |
853 | if (!is_nv) |
973 | if (!is_nv) |
854 | { |
974 | { |
|
|
975 | int len = dec->cur - start; |
|
|
976 | |
855 | // special case the rather common 1..4-digit-int case, assumes 32 bit ints or so |
977 | // special case the rather common 1..4-digit-int case, assumes 32 bit ints or so |
856 | if (*start == '-') |
978 | if (*start == '-') |
857 | switch (dec->cur - start) |
979 | switch (len) |
858 | { |
980 | { |
859 | case 2: return newSViv (-( start [1] - '0' )); |
981 | case 2: return newSViv (-( start [1] - '0' * 1)); |
860 | case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11)); |
982 | case 3: return newSViv (-( start [1] * 10 + start [2] - '0' * 11)); |
861 | case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
983 | case 4: return newSViv (-( start [1] * 100 + start [2] * 10 + start [3] - '0' * 111)); |
862 | case 5: return newSViv (-(start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
984 | case 5: return newSViv (-(start [1] * 1000 + start [2] * 100 + start [3] * 10 + start [4] - '0' * 1111)); |
863 | } |
985 | } |
864 | else |
986 | else |
865 | switch (dec->cur - start) |
987 | switch (len) |
866 | { |
988 | { |
867 | case 1: return newSViv ( start [0] - '0' ); |
989 | case 1: return newSViv ( start [0] - '0' * 1); |
868 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
990 | case 2: return newSViv ( start [0] * 10 + start [1] - '0' * 11); |
869 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
991 | case 3: return newSViv ( start [0] * 100 + start [1] * 10 + start [2] - '0' * 111); |
870 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
992 | case 4: return newSViv ( start [0] * 1000 + start [1] * 100 + start [2] * 10 + start [3] - '0' * 1111); |
871 | } |
993 | } |
872 | |
994 | |
873 | { |
995 | { |
874 | UV uv; |
996 | UV uv; |
875 | int numtype = grok_number (start, dec->cur - start, &uv); |
997 | int numtype = grok_number (start, len, &uv); |
876 | if (numtype & IS_NUMBER_IN_UV) |
998 | if (numtype & IS_NUMBER_IN_UV) |
877 | if (numtype & IS_NUMBER_NEG) |
999 | if (numtype & IS_NUMBER_NEG) |
878 | { |
1000 | { |
879 | if (uv < (UV)IV_MIN) |
1001 | if (uv < (UV)IV_MIN) |
880 | return newSViv (-(IV)uv); |
1002 | return newSViv (-(IV)uv); |
881 | } |
1003 | } |
882 | else |
1004 | else |
883 | return newSVuv (uv); |
1005 | return newSVuv (uv); |
884 | } |
1006 | } |
885 | } |
|
|
886 | |
1007 | |
|
|
1008 | len -= *start == '-' ? 1 : 0; |
|
|
1009 | |
|
|
1010 | // does not fit into IV or UV, try NV |
|
|
1011 | if ((sizeof (NV) == sizeof (double) && DBL_DIG >= len) |
|
|
1012 | #if defined (LDBL_DIG) |
|
|
1013 | || (sizeof (NV) == sizeof (long double) && LDBL_DIG >= len) |
|
|
1014 | #endif |
|
|
1015 | ) |
|
|
1016 | // fits into NV without loss of precision |
|
|
1017 | return newSVnv (Atof (start)); |
|
|
1018 | |
|
|
1019 | // everything else fails, convert it to a string |
|
|
1020 | return newSVpvn (start, dec->cur - start); |
|
|
1021 | } |
|
|
1022 | |
|
|
1023 | // loss of precision here |
887 | return newSVnv (Atof (start)); |
1024 | return newSVnv (Atof (start)); |
888 | |
1025 | |
889 | fail: |
1026 | fail: |
890 | return 0; |
1027 | return 0; |
891 | } |
1028 | } |
… | |
… | |
921 | |
1058 | |
922 | if (*dec->cur != ',') |
1059 | if (*dec->cur != ',') |
923 | ERR (", or ] expected while parsing array"); |
1060 | ERR (", or ] expected while parsing array"); |
924 | |
1061 | |
925 | ++dec->cur; |
1062 | ++dec->cur; |
|
|
1063 | |
|
|
1064 | decode_ws (dec); |
|
|
1065 | |
|
|
1066 | if (*dec->cur == ']' && dec->json.flags & F_RELAXED) |
|
|
1067 | { |
|
|
1068 | ++dec->cur; |
|
|
1069 | break; |
|
|
1070 | } |
926 | } |
1071 | } |
927 | |
1072 | |
928 | DEC_DEC_DEPTH; |
1073 | DEC_DEC_DEPTH; |
929 | return newRV_noinc ((SV *)av); |
1074 | return newRV_noinc ((SV *)av); |
930 | |
1075 | |
… | |
… | |
935 | } |
1080 | } |
936 | |
1081 | |
937 | static SV * |
1082 | static SV * |
938 | decode_hv (dec_t *dec) |
1083 | decode_hv (dec_t *dec) |
939 | { |
1084 | { |
|
|
1085 | SV *sv; |
940 | HV *hv = newHV (); |
1086 | HV *hv = newHV (); |
941 | |
1087 | |
942 | DEC_INC_DEPTH; |
1088 | DEC_INC_DEPTH; |
943 | decode_ws (dec); |
1089 | decode_ws (dec); |
944 | |
1090 | |
945 | if (*dec->cur == '}') |
1091 | if (*dec->cur == '}') |
946 | ++dec->cur; |
1092 | ++dec->cur; |
947 | else |
1093 | else |
948 | for (;;) |
1094 | for (;;) |
949 | { |
1095 | { |
|
|
1096 | EXPECT_CH ('"'); |
|
|
1097 | |
|
|
1098 | // heuristic: assume that |
|
|
1099 | // a) decode_str + hv_store_ent are abysmally slow. |
|
|
1100 | // b) most hash keys are short, simple ascii text. |
|
|
1101 | // => try to "fast-match" such strings to avoid |
|
|
1102 | // the overhead of decode_str + hv_store_ent. |
|
|
1103 | { |
950 | SV *key, *value; |
1104 | SV *value; |
|
|
1105 | char *p = dec->cur; |
|
|
1106 | char *e = p + 24; // only try up to 24 bytes |
951 | |
1107 | |
952 | decode_ws (dec); EXPECT_CH ('"'); |
1108 | for (;;) |
953 | |
|
|
954 | key = decode_str (dec); |
|
|
955 | if (!key) |
|
|
956 | goto fail; |
|
|
957 | |
|
|
958 | decode_ws (dec); EXPECT_CH (':'); |
|
|
959 | |
|
|
960 | value = decode_sv (dec); |
|
|
961 | if (!value) |
|
|
962 | { |
1109 | { |
|
|
1110 | // the >= 0x80 is true on most architectures |
|
|
1111 | if (p == e || *p < 0x20 || *p >= 0x80 || *p == '\\') |
|
|
1112 | { |
|
|
1113 | // slow path, back up and use decode_str |
|
|
1114 | SV *key = decode_str (dec); |
|
|
1115 | if (!key) |
|
|
1116 | goto fail; |
|
|
1117 | |
|
|
1118 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1119 | |
|
|
1120 | decode_ws (dec); |
|
|
1121 | value = decode_sv (dec); |
|
|
1122 | if (!value) |
|
|
1123 | { |
|
|
1124 | SvREFCNT_dec (key); |
|
|
1125 | goto fail; |
|
|
1126 | } |
|
|
1127 | |
|
|
1128 | hv_store_ent (hv, key, value, 0); |
963 | SvREFCNT_dec (key); |
1129 | SvREFCNT_dec (key); |
|
|
1130 | |
|
|
1131 | break; |
|
|
1132 | } |
|
|
1133 | else if (*p == '"') |
|
|
1134 | { |
|
|
1135 | // fast path, got a simple key |
|
|
1136 | char *key = dec->cur; |
|
|
1137 | int len = p - key; |
|
|
1138 | dec->cur = p + 1; |
|
|
1139 | |
|
|
1140 | decode_ws (dec); EXPECT_CH (':'); |
|
|
1141 | |
|
|
1142 | decode_ws (dec); |
|
|
1143 | value = decode_sv (dec); |
|
|
1144 | if (!value) |
964 | goto fail; |
1145 | goto fail; |
|
|
1146 | |
|
|
1147 | hv_store (hv, key, len, value, 0); |
|
|
1148 | |
|
|
1149 | break; |
|
|
1150 | } |
|
|
1151 | |
|
|
1152 | ++p; |
965 | } |
1153 | } |
966 | |
1154 | } |
967 | hv_store_ent (hv, key, value, 0); |
|
|
968 | SvREFCNT_dec (key); |
|
|
969 | |
1155 | |
970 | decode_ws (dec); |
1156 | decode_ws (dec); |
971 | |
1157 | |
972 | if (*dec->cur == '}') |
1158 | if (*dec->cur == '}') |
973 | { |
1159 | { |
… | |
… | |
977 | |
1163 | |
978 | if (*dec->cur != ',') |
1164 | if (*dec->cur != ',') |
979 | ERR (", or } expected while parsing object/hash"); |
1165 | ERR (", or } expected while parsing object/hash"); |
980 | |
1166 | |
981 | ++dec->cur; |
1167 | ++dec->cur; |
|
|
1168 | |
|
|
1169 | decode_ws (dec); |
|
|
1170 | |
|
|
1171 | if (*dec->cur == '}' && dec->json.flags & F_RELAXED) |
|
|
1172 | { |
|
|
1173 | ++dec->cur; |
|
|
1174 | break; |
|
|
1175 | } |
982 | } |
1176 | } |
983 | |
1177 | |
984 | DEC_DEC_DEPTH; |
1178 | DEC_DEC_DEPTH; |
985 | return newRV_noinc ((SV *)hv); |
1179 | sv = newRV_noinc ((SV *)hv); |
|
|
1180 | |
|
|
1181 | // check filter callbacks |
|
|
1182 | if (dec->json.flags & F_HOOK) |
|
|
1183 | { |
|
|
1184 | if (dec->json.cb_sk_object && HvKEYS (hv) == 1) |
|
|
1185 | { |
|
|
1186 | HE *cb, *he; |
|
|
1187 | |
|
|
1188 | hv_iterinit (hv); |
|
|
1189 | he = hv_iternext (hv); |
|
|
1190 | hv_iterinit (hv); |
|
|
1191 | |
|
|
1192 | // the next line creates a mortal sv each time its called. |
|
|
1193 | // might want to optimise this for common cases. |
|
|
1194 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
|
|
1195 | |
|
|
1196 | if (cb) |
|
|
1197 | { |
|
|
1198 | dSP; |
|
|
1199 | int count; |
|
|
1200 | |
|
|
1201 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
1202 | XPUSHs (HeVAL (he)); |
|
|
1203 | |
|
|
1204 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
|
|
1205 | |
|
|
1206 | if (count == 1) |
|
|
1207 | { |
|
|
1208 | sv = newSVsv (POPs); |
|
|
1209 | FREETMPS; LEAVE; |
|
|
1210 | return sv; |
|
|
1211 | } |
|
|
1212 | |
|
|
1213 | FREETMPS; LEAVE; |
|
|
1214 | } |
|
|
1215 | } |
|
|
1216 | |
|
|
1217 | if (dec->json.cb_object) |
|
|
1218 | { |
|
|
1219 | dSP; |
|
|
1220 | int count; |
|
|
1221 | |
|
|
1222 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
1223 | XPUSHs (sv_2mortal (sv)); |
|
|
1224 | |
|
|
1225 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
|
|
1226 | |
|
|
1227 | if (count == 1) |
|
|
1228 | { |
|
|
1229 | sv = newSVsv (POPs); |
|
|
1230 | FREETMPS; LEAVE; |
|
|
1231 | return sv; |
|
|
1232 | } |
|
|
1233 | |
|
|
1234 | SvREFCNT_inc (sv); |
|
|
1235 | FREETMPS; LEAVE; |
|
|
1236 | } |
|
|
1237 | } |
|
|
1238 | |
|
|
1239 | return sv; |
986 | |
1240 | |
987 | fail: |
1241 | fail: |
988 | SvREFCNT_dec (hv); |
1242 | SvREFCNT_dec (hv); |
989 | DEC_DEC_DEPTH; |
1243 | DEC_DEC_DEPTH; |
990 | return 0; |
1244 | return 0; |
991 | } |
1245 | } |
992 | |
1246 | |
993 | static SV * |
1247 | static SV * |
994 | decode_sv (dec_t *dec) |
1248 | decode_sv (dec_t *dec) |
995 | { |
1249 | { |
996 | decode_ws (dec); |
1250 | // the beauty of JSON: you need exactly one character lookahead |
|
|
1251 | // to parse anything. |
997 | switch (*dec->cur) |
1252 | switch (*dec->cur) |
998 | { |
1253 | { |
999 | case '"': ++dec->cur; return decode_str (dec); |
1254 | case '"': ++dec->cur; return decode_str (dec); |
1000 | case '[': ++dec->cur; return decode_av (dec); |
1255 | case '[': ++dec->cur; return decode_av (dec); |
1001 | case '{': ++dec->cur; return decode_hv (dec); |
1256 | case '{': ++dec->cur; return decode_hv (dec); |
… | |
… | |
1007 | |
1262 | |
1008 | case 't': |
1263 | case 't': |
1009 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1264 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1010 | { |
1265 | { |
1011 | dec->cur += 4; |
1266 | dec->cur += 4; |
1012 | return newSViv (1); |
1267 | #if JSON_SLOW |
|
|
1268 | json_true = get_sv ("JSON::XS::true", 1); SvREADONLY_on (json_true); |
|
|
1269 | #endif |
|
|
1270 | return SvREFCNT_inc (json_true); |
1013 | } |
1271 | } |
1014 | else |
1272 | else |
1015 | ERR ("'true' expected"); |
1273 | ERR ("'true' expected"); |
1016 | |
1274 | |
1017 | break; |
1275 | break; |
1018 | |
1276 | |
1019 | case 'f': |
1277 | case 'f': |
1020 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1278 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
1021 | { |
1279 | { |
1022 | dec->cur += 5; |
1280 | dec->cur += 5; |
1023 | return newSViv (0); |
1281 | #if JSON_SLOW |
|
|
1282 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
|
|
1283 | #endif |
|
|
1284 | return SvREFCNT_inc (json_false); |
1024 | } |
1285 | } |
1025 | else |
1286 | else |
1026 | ERR ("'false' expected"); |
1287 | ERR ("'false' expected"); |
1027 | |
1288 | |
1028 | break; |
1289 | break; |
… | |
… | |
1046 | fail: |
1307 | fail: |
1047 | return 0; |
1308 | return 0; |
1048 | } |
1309 | } |
1049 | |
1310 | |
1050 | static SV * |
1311 | static SV * |
1051 | decode_json (SV *string, U32 flags, UV *offset_return) |
1312 | decode_json (SV *string, JSON *json, UV *offset_return) |
1052 | { |
1313 | { |
1053 | dec_t dec; |
1314 | dec_t dec; |
1054 | UV offset; |
1315 | UV offset; |
1055 | SV *sv; |
1316 | SV *sv; |
1056 | |
1317 | |
1057 | SvGETMAGIC (string); |
1318 | SvGETMAGIC (string); |
1058 | SvUPGRADE (string, SVt_PV); |
1319 | SvUPGRADE (string, SVt_PV); |
1059 | |
1320 | |
|
|
1321 | if (json->flags & F_MAXSIZE && SvCUR (string) > DEC_SIZE (json->flags)) |
|
|
1322 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
|
|
1323 | (unsigned long)SvCUR (string), (unsigned long)DEC_SIZE (json->flags)); |
|
|
1324 | |
1060 | if (flags & F_UTF8) |
1325 | if (json->flags & F_UTF8) |
1061 | sv_utf8_downgrade (string, 0); |
1326 | sv_utf8_downgrade (string, 0); |
1062 | else |
1327 | else |
1063 | sv_utf8_upgrade (string); |
1328 | sv_utf8_upgrade (string); |
1064 | |
1329 | |
1065 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1330 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1066 | |
1331 | |
1067 | dec.flags = flags; |
1332 | dec.json = *json; |
1068 | dec.cur = SvPVX (string); |
1333 | dec.cur = SvPVX (string); |
1069 | dec.end = SvEND (string); |
1334 | dec.end = SvEND (string); |
1070 | dec.err = 0; |
1335 | dec.err = 0; |
1071 | dec.depth = 0; |
1336 | dec.depth = 0; |
1072 | dec.maxdepth = DEC_DEPTH (dec.flags); |
1337 | dec.maxdepth = DEC_DEPTH (dec.json.flags); |
|
|
1338 | |
|
|
1339 | if (dec.json.cb_object || dec.json.cb_sk_object) |
|
|
1340 | dec.json.flags |= F_HOOK; |
1073 | |
1341 | |
1074 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
1342 | *dec.end = 0; // this should basically be a nop, too, but make sure it's there |
|
|
1343 | |
|
|
1344 | decode_ws (&dec); |
1075 | sv = decode_sv (&dec); |
1345 | sv = decode_sv (&dec); |
1076 | |
1346 | |
1077 | if (!(offset_return || !sv)) |
1347 | if (!(offset_return || !sv)) |
1078 | { |
1348 | { |
1079 | // check for trailing garbage |
1349 | // check for trailing garbage |
… | |
… | |
1087 | } |
1357 | } |
1088 | } |
1358 | } |
1089 | |
1359 | |
1090 | if (offset_return || !sv) |
1360 | if (offset_return || !sv) |
1091 | { |
1361 | { |
1092 | offset = dec.flags & F_UTF8 |
1362 | offset = dec.json.flags & F_UTF8 |
1093 | ? dec.cur - SvPVX (string) |
1363 | ? dec.cur - SvPVX (string) |
1094 | : utf8_distance (dec.cur, SvPVX (string)); |
1364 | : utf8_distance (dec.cur, SvPVX (string)); |
1095 | |
1365 | |
1096 | if (offset_return) |
1366 | if (offset_return) |
1097 | *offset_return = offset; |
1367 | *offset_return = offset; |
… | |
… | |
1116 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1386 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1117 | } |
1387 | } |
1118 | |
1388 | |
1119 | sv = sv_2mortal (sv); |
1389 | sv = sv_2mortal (sv); |
1120 | |
1390 | |
1121 | if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1391 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1122 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1392 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1123 | |
1393 | |
1124 | return sv; |
1394 | return sv; |
1125 | } |
1395 | } |
1126 | |
1396 | |
… | |
… | |
1130 | MODULE = JSON::XS PACKAGE = JSON::XS |
1400 | MODULE = JSON::XS PACKAGE = JSON::XS |
1131 | |
1401 | |
1132 | BOOT: |
1402 | BOOT: |
1133 | { |
1403 | { |
1134 | int i; |
1404 | int i; |
1135 | |
|
|
1136 | memset (decode_hexdigit, 0xff, 256); |
|
|
1137 | |
1405 | |
1138 | for (i = 0; i < 256; ++i) |
1406 | for (i = 0; i < 256; ++i) |
1139 | decode_hexdigit [i] = |
1407 | decode_hexdigit [i] = |
1140 | i >= '0' && i <= '9' ? i - '0' |
1408 | i >= '0' && i <= '9' ? i - '0' |
1141 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1409 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1142 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1410 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1143 | : -1; |
1411 | : -1; |
1144 | |
1412 | |
1145 | json_stash = gv_stashpv ("JSON::XS", 1); |
1413 | json_stash = gv_stashpv ("JSON::XS" , 1); |
|
|
1414 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
1415 | |
|
|
1416 | json_true = get_sv ("JSON::XS::true" , 1); SvREADONLY_on (json_true ); |
|
|
1417 | json_false = get_sv ("JSON::XS::false", 1); SvREADONLY_on (json_false); |
1146 | } |
1418 | } |
1147 | |
1419 | |
1148 | PROTOTYPES: DISABLE |
1420 | PROTOTYPES: DISABLE |
1149 | |
1421 | |
1150 | SV *new (char *dummy) |
1422 | void CLONE (...) |
1151 | CODE: |
1423 | CODE: |
1152 | RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash); |
1424 | json_stash = 0; |
1153 | OUTPUT: |
1425 | json_boolean_stash = 0; |
1154 | RETVAL |
|
|
1155 | |
1426 | |
|
|
1427 | void new (char *klass) |
|
|
1428 | PPCODE: |
|
|
1429 | { |
|
|
1430 | SV *pv = NEWSV (0, sizeof (JSON)); |
|
|
1431 | SvPOK_only (pv); |
|
|
1432 | Zero (SvPVX (pv), 1, JSON); |
|
|
1433 | ((JSON *)SvPVX (pv))->flags = F_DEFAULT; |
|
|
1434 | XPUSHs (sv_2mortal (sv_bless (newRV_noinc (pv), JSON_STASH))); |
|
|
1435 | } |
|
|
1436 | |
1156 | SV *ascii (SV *self, int enable = 1) |
1437 | void ascii (JSON *self, int enable = 1) |
1157 | ALIAS: |
1438 | ALIAS: |
1158 | ascii = F_ASCII |
1439 | ascii = F_ASCII |
1159 | latin1 = F_LATIN1 |
1440 | latin1 = F_LATIN1 |
1160 | utf8 = F_UTF8 |
1441 | utf8 = F_UTF8 |
1161 | indent = F_INDENT |
1442 | indent = F_INDENT |
1162 | canonical = F_CANONICAL |
1443 | canonical = F_CANONICAL |
1163 | space_before = F_SPACE_BEFORE |
1444 | space_before = F_SPACE_BEFORE |
1164 | space_after = F_SPACE_AFTER |
1445 | space_after = F_SPACE_AFTER |
1165 | pretty = F_PRETTY |
1446 | pretty = F_PRETTY |
1166 | allow_nonref = F_ALLOW_NONREF |
1447 | allow_nonref = F_ALLOW_NONREF |
1167 | shrink = F_SHRINK |
1448 | shrink = F_SHRINK |
|
|
1449 | allow_blessed = F_ALLOW_BLESSED |
|
|
1450 | convert_blessed = F_CONV_BLESSED |
|
|
1451 | relaxed = F_RELAXED |
1168 | CODE: |
1452 | PPCODE: |
1169 | { |
1453 | { |
1170 | UV *uv = SvJSON (self); |
|
|
1171 | if (enable) |
1454 | if (enable) |
1172 | *uv |= ix; |
1455 | self->flags |= ix; |
1173 | else |
1456 | else |
1174 | *uv &= ~ix; |
1457 | self->flags &= ~ix; |
1175 | |
1458 | |
1176 | RETVAL = newSVsv (self); |
1459 | XPUSHs (ST (0)); |
1177 | } |
1460 | } |
1178 | OUTPUT: |
|
|
1179 | RETVAL |
|
|
1180 | |
1461 | |
1181 | SV *max_depth (SV *self, UV max_depth = 0x80000000UL) |
1462 | void max_depth (JSON *self, UV max_depth = 0x80000000UL) |
1182 | CODE: |
1463 | PPCODE: |
1183 | { |
1464 | { |
1184 | UV *uv = SvJSON (self); |
|
|
1185 | UV log2 = 0; |
1465 | UV log2 = 0; |
1186 | |
1466 | |
1187 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1467 | if (max_depth > 0x80000000UL) max_depth = 0x80000000UL; |
1188 | |
1468 | |
1189 | while ((1UL << log2) < max_depth) |
1469 | while ((1UL << log2) < max_depth) |
1190 | ++log2; |
1470 | ++log2; |
1191 | |
1471 | |
1192 | *uv = *uv & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1472 | self->flags = self->flags & ~F_MAXDEPTH | (log2 << S_MAXDEPTH); |
1193 | |
1473 | |
1194 | RETVAL = newSVsv (self); |
1474 | XPUSHs (ST (0)); |
1195 | } |
1475 | } |
1196 | OUTPUT: |
|
|
1197 | RETVAL |
|
|
1198 | |
1476 | |
1199 | void encode (SV *self, SV *scalar) |
1477 | void max_size (JSON *self, UV max_size = 0) |
1200 | PPCODE: |
1478 | PPCODE: |
1201 | XPUSHs (encode_json (scalar, *SvJSON (self))); |
1479 | { |
|
|
1480 | UV log2 = 0; |
1202 | |
1481 | |
1203 | void decode (SV *self, SV *jsonstr) |
1482 | if (max_size > 0x80000000UL) max_size = 0x80000000UL; |
|
|
1483 | if (max_size == 1) max_size = 2; |
|
|
1484 | |
|
|
1485 | while ((1UL << log2) < max_size) |
|
|
1486 | ++log2; |
|
|
1487 | |
|
|
1488 | self->flags = self->flags & ~F_MAXSIZE | (log2 << S_MAXSIZE); |
|
|
1489 | |
|
|
1490 | XPUSHs (ST (0)); |
|
|
1491 | } |
|
|
1492 | |
|
|
1493 | void filter_json_object (JSON *self, SV *cb = &PL_sv_undef) |
1204 | PPCODE: |
1494 | PPCODE: |
|
|
1495 | { |
|
|
1496 | SvREFCNT_dec (self->cb_object); |
|
|
1497 | self->cb_object = SvOK (cb) ? newSVsv (cb) : 0; |
|
|
1498 | |
|
|
1499 | XPUSHs (ST (0)); |
|
|
1500 | } |
|
|
1501 | |
|
|
1502 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
|
|
1503 | PPCODE: |
|
|
1504 | { |
|
|
1505 | if (!self->cb_sk_object) |
|
|
1506 | self->cb_sk_object = newHV (); |
|
|
1507 | |
|
|
1508 | if (SvOK (cb)) |
|
|
1509 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
|
|
1510 | else |
|
|
1511 | { |
|
|
1512 | hv_delete_ent (self->cb_sk_object, key, G_DISCARD, 0); |
|
|
1513 | |
|
|
1514 | if (!HvKEYS (self->cb_sk_object)) |
|
|
1515 | { |
|
|
1516 | SvREFCNT_dec (self->cb_sk_object); |
|
|
1517 | self->cb_sk_object = 0; |
|
|
1518 | } |
|
|
1519 | } |
|
|
1520 | |
|
|
1521 | XPUSHs (ST (0)); |
|
|
1522 | } |
|
|
1523 | |
|
|
1524 | void encode (JSON *self, SV *scalar) |
|
|
1525 | PPCODE: |
|
|
1526 | XPUSHs (encode_json (scalar, self)); |
|
|
1527 | |
|
|
1528 | void decode (JSON *self, SV *jsonstr) |
|
|
1529 | PPCODE: |
1205 | XPUSHs (decode_json (jsonstr, *SvJSON (self), 0)); |
1530 | XPUSHs (decode_json (jsonstr, self, 0)); |
1206 | |
1531 | |
1207 | void decode_prefix (SV *self, SV *jsonstr) |
1532 | void decode_prefix (JSON *self, SV *jsonstr) |
1208 | PPCODE: |
1533 | PPCODE: |
1209 | { |
1534 | { |
1210 | UV offset; |
1535 | UV offset; |
1211 | EXTEND (SP, 2); |
1536 | EXTEND (SP, 2); |
1212 | PUSHs (decode_json (jsonstr, *SvJSON (self), &offset)); |
1537 | PUSHs (decode_json (jsonstr, self, &offset)); |
1213 | PUSHs (sv_2mortal (newSVuv (offset))); |
1538 | PUSHs (sv_2mortal (newSVuv (offset))); |
1214 | } |
1539 | } |
1215 | |
1540 | |
|
|
1541 | void DESTROY (JSON *self) |
|
|
1542 | CODE: |
|
|
1543 | SvREFCNT_dec (self->cb_sk_object); |
|
|
1544 | SvREFCNT_dec (self->cb_object); |
|
|
1545 | |
1216 | PROTOTYPES: ENABLE |
1546 | PROTOTYPES: ENABLE |
1217 | |
1547 | |
1218 | void to_json (SV *scalar) |
1548 | void to_json (SV *scalar) |
1219 | ALIAS: |
|
|
1220 | objToJson = 0 |
|
|
1221 | PPCODE: |
1549 | PPCODE: |
|
|
1550 | { |
|
|
1551 | JSON json = { F_DEFAULT | F_UTF8 }; |
1222 | XPUSHs (encode_json (scalar, F_DEFAULT | F_UTF8)); |
1552 | XPUSHs (encode_json (scalar, &json)); |
|
|
1553 | } |
1223 | |
1554 | |
1224 | void from_json (SV *jsonstr) |
1555 | void from_json (SV *jsonstr) |
1225 | ALIAS: |
|
|
1226 | jsonToObj = 0 |
|
|
1227 | PPCODE: |
1556 | PPCODE: |
|
|
1557 | { |
|
|
1558 | JSON json = { F_DEFAULT | F_UTF8 }; |
1228 | XPUSHs (decode_json (jsonstr, F_DEFAULT | F_UTF8, 0)); |
1559 | XPUSHs (decode_json (jsonstr, &json, 0)); |
|
|
1560 | } |
1229 | |
1561 | |