… | |
… | |
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> |
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|
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 | |
16 | // some old perls do not have this, try to make it work, no |
17 | // some old perls do not have this, try to make it work, no |
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 |
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21 | #endif |
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22 | |
|
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23 | // compatibility with perl <5.18 |
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24 | #ifndef HvNAMELEN_get |
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25 | # define HvNAMELEN_get(hv) strlen (HvNAME (hv)) |
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26 | #endif |
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27 | #ifndef HvNAMELEN |
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28 | # define HvNAMELEN(hv) HvNAMELEN_get (hv) |
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29 | #endif |
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30 | #ifndef HvNAMEUTF8 |
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31 | # define HvNAMEUTF8(hv) 0 |
20 | #endif |
32 | #endif |
21 | |
33 | |
22 | // three extra for rounding, sign, and end of string |
34 | // three extra for rounding, sign, and end of string |
23 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
35 | #define IVUV_MAXCHARS (sizeof (UV) * CHAR_BIT * 28 / 93 + 3) |
24 | |
36 | |
… | |
… | |
33 | #define F_SHRINK 0x00000200UL |
45 | #define F_SHRINK 0x00000200UL |
34 | #define F_ALLOW_BLESSED 0x00000400UL |
46 | #define F_ALLOW_BLESSED 0x00000400UL |
35 | #define F_CONV_BLESSED 0x00000800UL |
47 | #define F_CONV_BLESSED 0x00000800UL |
36 | #define F_RELAXED 0x00001000UL |
48 | #define F_RELAXED 0x00001000UL |
37 | #define F_ALLOW_UNKNOWN 0x00002000UL |
49 | #define F_ALLOW_UNKNOWN 0x00002000UL |
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50 | #define F_ALLOW_TAGS 0x00004000UL |
38 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
51 | #define F_HOOK 0x00080000UL // some hooks exist, so slow-path processing |
39 | |
52 | |
40 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
53 | #define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER |
41 | |
54 | |
42 | #define INIT_SIZE 32 // initial scalar size to be allocated |
55 | #define INIT_SIZE 64 // initial scalar size to be allocated |
43 | #define INDENT_STEP 3 // spaces per indentation level |
56 | #define INDENT_STEP 3 // spaces per indentation level |
44 | |
57 | |
45 | #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 |
46 | |
59 | |
47 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
60 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
… | |
… | |
65 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
78 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
66 | |
79 | |
67 | #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?)" |
68 | |
81 | |
69 | #ifdef USE_ITHREADS |
82 | #ifdef USE_ITHREADS |
70 | # define JSON_SLOW 1 |
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71 | # 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)) |
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84 | # define BOOL_STASH (expect_true (bool_stash) ? bool_stash : gv_stashpv ("Types::Serialiser::Boolean", 1)) |
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85 | # define GET_BOOL(value) (expect_true (bool_ ## value) ? bool_ ## value : get_bool ("Types::Serialiser::" # value)) |
72 | #else |
86 | #else |
73 | # define JSON_SLOW 0 |
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74 | # define JSON_STASH json_stash |
87 | # define JSON_STASH json_stash |
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88 | # define BOOL_STASH bool_stash |
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89 | # define GET_BOOL(value) bool_ ## value |
75 | #endif |
90 | #endif |
76 | |
91 | |
77 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | // the amount of HEs to allocate on the stack, when sorting keys |
78 | static SV *json_true, *json_false; |
93 | #define STACK_HES 64 |
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94 | |
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95 | static HV *json_stash, *bool_stash; // JSON::XS::, Types::Serialiser::Boolean:: |
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96 | static SV *bool_false, *bool_true; |
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97 | static SV *sv_json; |
79 | |
98 | |
80 | enum { |
99 | enum { |
81 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
100 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
82 | INCR_M_STR, // inside string |
101 | INCR_M_STR, // inside string |
83 | INCR_M_BS, // inside backslash |
102 | INCR_M_BS, // inside backslash |
… | |
… | |
99 | // for the incremental parser |
118 | // for the incremental parser |
100 | SV *incr_text; // the source text so far |
119 | SV *incr_text; // the source text so far |
101 | STRLEN incr_pos; // the current offset into the text |
120 | STRLEN incr_pos; // the current offset into the text |
102 | int incr_nest; // {[]}-nesting level |
121 | int incr_nest; // {[]}-nesting level |
103 | unsigned char incr_mode; |
122 | unsigned char incr_mode; |
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123 | |
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124 | SV *v_false, *v_true; |
104 | } JSON; |
125 | } JSON; |
105 | |
126 | |
106 | INLINE void |
127 | INLINE void |
107 | json_init (JSON *json) |
128 | json_init (JSON *json) |
108 | { |
129 | { |
… | |
… | |
137 | SvPV_renew (sv, SvCUR (sv) + 1); |
158 | SvPV_renew (sv, SvCUR (sv) + 1); |
138 | #endif |
159 | #endif |
139 | } |
160 | } |
140 | } |
161 | } |
141 | |
162 | |
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163 | /* adds two STRLENs together, slow, and with paranoia */ |
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164 | STRLEN |
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165 | strlen_sum (STRLEN l1, STRLEN l2) |
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166 | { |
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167 | size_t sum = l1 + l2; |
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168 | |
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169 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
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170 | croak ("JSON::XS: string size overflow"); |
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171 | |
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172 | return sum; |
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173 | } |
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174 | |
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175 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
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176 | static char * |
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177 | json_sv_grow (SV *sv, size_t len1, size_t len2) |
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178 | { |
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179 | len1 = strlen_sum (len1, len2); |
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180 | len1 = strlen_sum (len1, len1 >> 1); |
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181 | |
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182 | if (len1 > 4096 - 24) |
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183 | len1 = (len1 | 4095) - 24; |
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184 | |
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185 | return SvGROW (sv, len1); |
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186 | } |
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187 | |
142 | // decode an utf-8 character and return it, or (UV)-1 in |
188 | // decode a utf-8 character and return it, or (UV)-1 in |
143 | // case of an error. |
189 | // case of an error. |
144 | // we special-case "safe" characters from U+80 .. U+7FF, |
190 | // we special-case "safe" characters from U+80 .. U+7FF, |
145 | // but use the very good perl function to parse anything else. |
191 | // but use the very good perl function to parse anything else. |
146 | // note that we never call this function for a ascii codepoints |
192 | // note that we never call this function for a ascii codepoints |
147 | INLINE UV |
193 | INLINE UV |
… | |
… | |
284 | // a recursion depth of ten gives us >>500 bits |
330 | // a recursion depth of ten gives us >>500 bits |
285 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
331 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
286 | |
332 | |
287 | return neg ? -accum : accum; |
333 | return neg ? -accum : accum; |
288 | } |
334 | } |
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335 | |
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336 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
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337 | static int |
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338 | ref_bool_type (SV *sv) |
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339 | { |
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340 | svtype svt = SvTYPE (sv); |
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341 | |
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342 | if (svt < SVt_PVAV) |
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343 | { |
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344 | STRLEN len = 0; |
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345 | char *pv = svt ? SvPV (sv, len) : 0; |
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346 | |
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347 | if (len == 1) |
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348 | if (*pv == '1') |
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349 | return 1; |
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350 | else if (*pv == '0') |
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351 | return 0; |
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352 | } |
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353 | |
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354 | return -1; |
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355 | } |
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356 | |
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357 | // returns whether scalar is not a reference in the sense of allow_nonref |
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358 | static int |
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359 | json_nonref (SV *scalar) |
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360 | { |
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361 | if (!SvROK (scalar)) |
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362 | return 1; |
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363 | |
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364 | scalar = SvRV (scalar); |
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365 | |
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366 | if (SvTYPE (scalar) >= SVt_PVMG) |
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367 | { |
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368 | if (SvSTASH (scalar) == bool_stash) |
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369 | return 1; |
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370 | |
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371 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
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372 | return 1; |
|
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373 | } |
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374 | |
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375 | return 0; |
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376 | } |
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377 | |
289 | ///////////////////////////////////////////////////////////////////////////// |
378 | ///////////////////////////////////////////////////////////////////////////// |
290 | // encoder |
379 | // encoder |
291 | |
380 | |
292 | // structure used for encoding JSON |
381 | // structure used for encoding JSON |
293 | typedef struct |
382 | typedef struct |
… | |
… | |
301 | } enc_t; |
390 | } enc_t; |
302 | |
391 | |
303 | INLINE void |
392 | INLINE void |
304 | need (enc_t *enc, STRLEN len) |
393 | need (enc_t *enc, STRLEN len) |
305 | { |
394 | { |
306 | if (expect_false (enc->cur + len >= enc->end)) |
395 | if (expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
307 | { |
396 | { |
308 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
397 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
309 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
398 | char *buf = json_sv_grow (enc->sv, cur, len); |
310 | enc->cur = SvPVX (enc->sv) + cur; |
399 | enc->cur = buf + cur; |
311 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
400 | enc->end = buf + SvLEN (enc->sv) - 1; |
312 | } |
401 | } |
313 | } |
402 | } |
314 | |
403 | |
315 | INLINE void |
404 | INLINE void |
316 | encode_ch (enc_t *enc, char ch) |
405 | encode_ch (enc_t *enc, char ch) |
… | |
… | |
332 | |
421 | |
333 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
422 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
334 | { |
423 | { |
335 | if (expect_false (ch == '"')) // but with slow exceptions |
424 | if (expect_false (ch == '"')) // but with slow exceptions |
336 | { |
425 | { |
337 | need (enc, len += 1); |
426 | need (enc, len + 1); |
338 | *enc->cur++ = '\\'; |
427 | *enc->cur++ = '\\'; |
339 | *enc->cur++ = '"'; |
428 | *enc->cur++ = '"'; |
340 | } |
429 | } |
341 | else if (expect_false (ch == '\\')) |
430 | else if (expect_false (ch == '\\')) |
342 | { |
431 | { |
343 | need (enc, len += 1); |
432 | need (enc, len + 1); |
344 | *enc->cur++ = '\\'; |
433 | *enc->cur++ = '\\'; |
345 | *enc->cur++ = '\\'; |
434 | *enc->cur++ = '\\'; |
346 | } |
435 | } |
347 | else |
436 | else |
348 | *enc->cur++ = ch; |
437 | *enc->cur++ = ch; |
… | |
… | |
351 | } |
440 | } |
352 | else |
441 | else |
353 | { |
442 | { |
354 | switch (ch) |
443 | switch (ch) |
355 | { |
444 | { |
356 | case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
445 | case '\010': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
357 | case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
446 | case '\011': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
358 | case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
447 | case '\012': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
359 | case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
448 | case '\014': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
360 | case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
449 | case '\015': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
361 | |
450 | |
362 | default: |
451 | default: |
363 | { |
452 | { |
364 | STRLEN clen; |
453 | STRLEN clen; |
365 | UV uch; |
454 | UV uch; |
… | |
… | |
381 | if (uch >= 0x10000UL) |
470 | if (uch >= 0x10000UL) |
382 | { |
471 | { |
383 | if (uch >= 0x110000UL) |
472 | if (uch >= 0x110000UL) |
384 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
473 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
385 | |
474 | |
386 | need (enc, len += 11); |
475 | need (enc, len + 11); |
387 | sprintf (enc->cur, "\\u%04x\\u%04x", |
476 | sprintf (enc->cur, "\\u%04x\\u%04x", |
388 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
477 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
389 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
478 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
390 | enc->cur += 12; |
479 | enc->cur += 12; |
391 | } |
480 | } |
392 | else |
481 | else |
393 | { |
482 | { |
394 | need (enc, len += 5); |
483 | need (enc, len + 5); |
395 | *enc->cur++ = '\\'; |
484 | *enc->cur++ = '\\'; |
396 | *enc->cur++ = 'u'; |
485 | *enc->cur++ = 'u'; |
397 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
486 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
398 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
487 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
399 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
488 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
… | |
… | |
407 | *enc->cur++ = uch; |
496 | *enc->cur++ = uch; |
408 | str += clen; |
497 | str += clen; |
409 | } |
498 | } |
410 | else if (is_utf8) |
499 | else if (is_utf8) |
411 | { |
500 | { |
412 | need (enc, len += clen); |
501 | need (enc, len + clen); |
413 | do |
502 | do |
414 | { |
503 | { |
415 | *enc->cur++ = *str++; |
504 | *enc->cur++ = *str++; |
416 | } |
505 | } |
417 | while (--clen); |
506 | while (--clen); |
418 | } |
507 | } |
419 | else |
508 | else |
420 | { |
509 | { |
421 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
510 | need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
422 | enc->cur = encode_utf8 (enc->cur, uch); |
511 | enc->cur = encode_utf8 (enc->cur, uch); |
423 | ++str; |
512 | ++str; |
424 | } |
513 | } |
425 | } |
514 | } |
426 | } |
515 | } |
… | |
… | |
480 | |
569 | |
481 | if (enc->indent >= enc->json.max_depth) |
570 | if (enc->indent >= enc->json.max_depth) |
482 | croak (ERR_NESTING_EXCEEDED); |
571 | croak (ERR_NESTING_EXCEEDED); |
483 | |
572 | |
484 | encode_ch (enc, '['); |
573 | encode_ch (enc, '['); |
485 | |
574 | |
486 | if (len >= 0) |
575 | if (len >= 0) |
487 | { |
576 | { |
488 | encode_nl (enc); ++enc->indent; |
577 | encode_nl (enc); ++enc->indent; |
489 | |
578 | |
490 | for (i = 0; i <= len; ++i) |
579 | for (i = 0; i <= len; ++i) |
… | |
… | |
502 | encode_comma (enc); |
591 | encode_comma (enc); |
503 | } |
592 | } |
504 | |
593 | |
505 | encode_nl (enc); --enc->indent; encode_indent (enc); |
594 | encode_nl (enc); --enc->indent; encode_indent (enc); |
506 | } |
595 | } |
507 | |
596 | |
508 | encode_ch (enc, ']'); |
597 | encode_ch (enc, ']'); |
509 | } |
598 | } |
510 | |
599 | |
511 | static void |
600 | static void |
512 | encode_hk (enc_t *enc, HE *he) |
601 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
516 | if (HeKLEN (he) == HEf_SVKEY) |
605 | if (HeKLEN (he) == HEf_SVKEY) |
517 | { |
606 | { |
518 | SV *sv = HeSVKEY (he); |
607 | SV *sv = HeSVKEY (he); |
519 | STRLEN len; |
608 | STRLEN len; |
520 | char *str; |
609 | char *str; |
521 | |
610 | |
522 | SvGETMAGIC (sv); |
611 | SvGETMAGIC (sv); |
523 | str = SvPV (sv, len); |
612 | str = SvPV (sv, len); |
524 | |
613 | |
525 | encode_str (enc, str, len, SvUTF8 (sv)); |
614 | encode_str (enc, str, len, SvUTF8 (sv)); |
526 | } |
615 | } |
… | |
… | |
592 | } |
681 | } |
593 | |
682 | |
594 | if (count) |
683 | if (count) |
595 | { |
684 | { |
596 | int i, fast = 1; |
685 | int i, fast = 1; |
597 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
686 | HE *hes_stack [STACK_HES]; |
598 | HE **hes = _alloca (count * sizeof (HE)); |
687 | HE **hes = hes_stack; |
599 | #else |
688 | |
600 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
689 | // allocate larger arrays on the heap |
601 | #endif |
690 | if (count > STACK_HES) |
|
|
691 | { |
|
|
692 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
693 | hes = (HE **)SvPVX (sv); |
|
|
694 | } |
602 | |
695 | |
603 | i = 0; |
696 | i = 0; |
604 | while ((he = hv_iternext (hv))) |
697 | while ((he = hv_iternext (hv))) |
605 | { |
698 | { |
606 | hes [i++] = he; |
699 | hes [i++] = he; |
… | |
… | |
675 | // encode objects, arrays and special \0=false and \1=true values. |
768 | // encode objects, arrays and special \0=false and \1=true values. |
676 | static void |
769 | static void |
677 | encode_rv (enc_t *enc, SV *sv) |
770 | encode_rv (enc_t *enc, SV *sv) |
678 | { |
771 | { |
679 | svtype svt; |
772 | svtype svt; |
|
|
773 | GV *method; |
680 | |
774 | |
681 | SvGETMAGIC (sv); |
775 | SvGETMAGIC (sv); |
682 | svt = SvTYPE (sv); |
776 | svt = SvTYPE (sv); |
683 | |
777 | |
684 | if (expect_false (SvOBJECT (sv))) |
778 | if (expect_false (SvOBJECT (sv))) |
685 | { |
779 | { |
686 | HV *stash = !JSON_SLOW || json_boolean_stash |
780 | HV *stash = SvSTASH (sv); |
687 | ? json_boolean_stash |
|
|
688 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
689 | |
781 | |
690 | if (SvSTASH (sv) == stash) |
782 | if (stash == bool_stash) |
691 | { |
783 | { |
692 | if (SvIV (sv)) |
|
|
693 | encode_str (enc, "true", 4, 0); |
784 | if (SvIV (sv)) encode_str (enc, "true" , 4, 0); |
694 | else |
|
|
695 | encode_str (enc, "false", 5, 0); |
785 | else encode_str (enc, "false", 5, 0); |
696 | } |
786 | } |
|
|
787 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
788 | { |
|
|
789 | int count; |
|
|
790 | dSP; |
|
|
791 | |
|
|
792 | ENTER; SAVETMPS; |
|
|
793 | PUSHMARK (SP); |
|
|
794 | EXTEND (SP, 2); |
|
|
795 | // we re-bless the reference to get overload and other niceties right |
|
|
796 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
797 | PUSHs (sv_json); |
|
|
798 | |
|
|
799 | PUTBACK; |
|
|
800 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
801 | SPAGAIN; |
|
|
802 | |
|
|
803 | // catch this surprisingly common error |
|
|
804 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
805 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
806 | |
|
|
807 | encode_ch (enc, '('); |
|
|
808 | encode_ch (enc, '"'); |
|
|
809 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
810 | encode_ch (enc, '"'); |
|
|
811 | encode_ch (enc, ')'); |
|
|
812 | encode_ch (enc, '['); |
|
|
813 | |
|
|
814 | if (count) |
|
|
815 | { |
|
|
816 | int i; |
|
|
817 | |
|
|
818 | for (i = 0; i < count - 1; ++i) |
|
|
819 | { |
|
|
820 | encode_sv (enc, SP[i + 1 - count]); |
|
|
821 | encode_ch (enc, ','); |
|
|
822 | } |
|
|
823 | |
|
|
824 | encode_sv (enc, TOPs); |
|
|
825 | SP -= count; |
|
|
826 | } |
|
|
827 | |
|
|
828 | encode_ch (enc, ']'); |
|
|
829 | |
|
|
830 | FREETMPS; LEAVE; |
|
|
831 | } |
|
|
832 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
833 | { |
|
|
834 | dSP; |
|
|
835 | |
|
|
836 | ENTER; SAVETMPS; |
|
|
837 | PUSHMARK (SP); |
|
|
838 | // we re-bless the reference to get overload and other niceties right |
|
|
839 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
840 | |
|
|
841 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
842 | PUTBACK; |
|
|
843 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
844 | SPAGAIN; |
|
|
845 | |
|
|
846 | // catch this surprisingly common error |
|
|
847 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
848 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
849 | |
|
|
850 | sv = POPs; |
|
|
851 | PUTBACK; |
|
|
852 | |
|
|
853 | encode_sv (enc, sv); |
|
|
854 | |
|
|
855 | FREETMPS; LEAVE; |
|
|
856 | } |
|
|
857 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
858 | encode_str (enc, "null", 4, 0); |
697 | else |
859 | else |
698 | { |
|
|
699 | #if 0 |
|
|
700 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
701 | { |
|
|
702 | // not yet |
|
|
703 | } |
|
|
704 | #endif |
|
|
705 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
706 | { |
|
|
707 | // we re-bless the reference to get overload and other niceties right |
|
|
708 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
709 | |
|
|
710 | if (to_json) |
|
|
711 | { |
|
|
712 | dSP; |
|
|
713 | |
|
|
714 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
715 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
716 | |
|
|
717 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
718 | PUTBACK; |
|
|
719 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
720 | SPAGAIN; |
|
|
721 | |
|
|
722 | // catch this surprisingly common error |
|
|
723 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
724 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
725 | |
|
|
726 | sv = POPs; |
|
|
727 | PUTBACK; |
|
|
728 | |
|
|
729 | encode_sv (enc, sv); |
|
|
730 | |
|
|
731 | FREETMPS; LEAVE; |
|
|
732 | } |
|
|
733 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
734 | encode_str (enc, "null", 4, 0); |
|
|
735 | else |
|
|
736 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
737 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
738 | } |
|
|
739 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
740 | encode_str (enc, "null", 4, 0); |
|
|
741 | else |
|
|
742 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
860 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
743 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
861 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
744 | } |
|
|
745 | } |
862 | } |
746 | else if (svt == SVt_PVHV) |
863 | else if (svt == SVt_PVHV) |
747 | encode_hv (enc, (HV *)sv); |
864 | encode_hv (enc, (HV *)sv); |
748 | else if (svt == SVt_PVAV) |
865 | else if (svt == SVt_PVAV) |
749 | encode_av (enc, (AV *)sv); |
866 | encode_av (enc, (AV *)sv); |
750 | else if (svt < SVt_PVAV) |
867 | else if (svt < SVt_PVAV) |
751 | { |
868 | { |
752 | STRLEN len = 0; |
869 | int bool_type = ref_bool_type (sv); |
753 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
754 | |
870 | |
755 | if (len == 1 && *pv == '1') |
871 | if (bool_type == 1) |
756 | encode_str (enc, "true", 4, 0); |
872 | encode_str (enc, "true", 4, 0); |
757 | else if (len == 1 && *pv == '0') |
873 | else if (bool_type == 0) |
758 | encode_str (enc, "false", 5, 0); |
874 | encode_str (enc, "false", 5, 0); |
759 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
875 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
760 | encode_str (enc, "null", 4, 0); |
876 | encode_str (enc, "null", 4, 0); |
761 | else |
877 | else |
762 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
878 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
825 | } |
941 | } |
826 | else |
942 | else |
827 | { |
943 | { |
828 | // large integer, use the (rather slow) snprintf way. |
944 | // large integer, use the (rather slow) snprintf way. |
829 | need (enc, IVUV_MAXCHARS); |
945 | need (enc, IVUV_MAXCHARS); |
830 | enc->cur += |
946 | enc->cur += |
831 | SvIsUV(sv) |
947 | SvIsUV(sv) |
832 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
948 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
833 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
949 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
834 | } |
950 | } |
835 | } |
951 | } |
836 | else if (SvROK (sv)) |
952 | else if (SvROK (sv)) |
837 | encode_rv (enc, SvRV (sv)); |
953 | encode_rv (enc, SvRV (sv)); |
838 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
954 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
839 | encode_str (enc, "null", 4, 0); |
955 | encode_str (enc, "null", 4, 0); |
840 | else |
956 | else |
841 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
957 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
842 | SvPV_nolen (sv), SvFLAGS (sv)); |
958 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
843 | } |
959 | } |
844 | |
960 | |
845 | static SV * |
961 | static SV * |
846 | encode_json (SV *scalar, JSON *json) |
962 | encode_json (SV *scalar, JSON *json) |
847 | { |
963 | { |
848 | enc_t enc; |
964 | enc_t enc; |
849 | |
965 | |
850 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
966 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
851 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
967 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
852 | |
968 | |
853 | enc.json = *json; |
969 | enc.json = *json; |
854 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
970 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
855 | enc.cur = SvPVX (enc.sv); |
971 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
1062 | *cur++ = *dec_cur++; |
1178 | *cur++ = *dec_cur++; |
1063 | while (--clen); |
1179 | while (--clen); |
1064 | |
1180 | |
1065 | utf8 = 1; |
1181 | utf8 = 1; |
1066 | } |
1182 | } |
|
|
1183 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1184 | *cur++ = ch; |
1067 | else |
1185 | else |
1068 | { |
1186 | { |
1069 | --dec_cur; |
1187 | --dec_cur; |
1070 | |
1188 | |
1071 | if (!ch) |
1189 | if (!ch) |
… | |
… | |
1081 | |
1199 | |
1082 | if (sv) |
1200 | if (sv) |
1083 | { |
1201 | { |
1084 | STRLEN cur = SvCUR (sv); |
1202 | STRLEN cur = SvCUR (sv); |
1085 | |
1203 | |
1086 | if (SvLEN (sv) <= cur + len) |
1204 | if (SvLEN (sv) - cur <= len) |
1087 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
1205 | json_sv_grow (sv, cur, len); |
1088 | |
1206 | |
1089 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1207 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1090 | SvCUR_set (sv, SvCUR (sv) + len); |
1208 | SvCUR_set (sv, SvCUR (sv) + len); |
1091 | } |
1209 | } |
1092 | else |
1210 | else |
… | |
… | |
1259 | if (*dec->cur == ']') |
1377 | if (*dec->cur == ']') |
1260 | { |
1378 | { |
1261 | ++dec->cur; |
1379 | ++dec->cur; |
1262 | break; |
1380 | break; |
1263 | } |
1381 | } |
1264 | |
1382 | |
1265 | if (*dec->cur != ',') |
1383 | if (*dec->cur != ',') |
1266 | ERR (", or ] expected while parsing array"); |
1384 | ERR (", or ] expected while parsing array"); |
1267 | |
1385 | |
1268 | ++dec->cur; |
1386 | ++dec->cur; |
1269 | |
1387 | |
… | |
… | |
1393 | |
1511 | |
1394 | hv_iterinit (hv); |
1512 | hv_iterinit (hv); |
1395 | he = hv_iternext (hv); |
1513 | he = hv_iternext (hv); |
1396 | hv_iterinit (hv); |
1514 | hv_iterinit (hv); |
1397 | |
1515 | |
1398 | // the next line creates a mortal sv each time its called. |
1516 | // the next line creates a mortal sv each time it's called. |
1399 | // might want to optimise this for common cases. |
1517 | // might want to optimise this for common cases. |
1400 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1518 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1401 | |
1519 | |
1402 | if (cb) |
1520 | if (cb) |
1403 | { |
1521 | { |
1404 | dSP; |
1522 | dSP; |
1405 | int count; |
1523 | int count; |
1406 | |
1524 | |
1407 | ENTER; SAVETMPS; PUSHMARK (SP); |
1525 | ENTER; SAVETMPS; |
|
|
1526 | PUSHMARK (SP); |
1408 | XPUSHs (HeVAL (he)); |
1527 | XPUSHs (HeVAL (he)); |
1409 | sv_2mortal (sv); |
1528 | sv_2mortal (sv); |
1410 | |
1529 | |
1411 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1530 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1412 | |
1531 | |
… | |
… | |
1414 | { |
1533 | { |
1415 | sv = newSVsv (POPs); |
1534 | sv = newSVsv (POPs); |
1416 | FREETMPS; LEAVE; |
1535 | FREETMPS; LEAVE; |
1417 | return sv; |
1536 | return sv; |
1418 | } |
1537 | } |
|
|
1538 | else if (count) |
|
|
1539 | croak ("filter_json_single_key_object callbacks must not return more than one scalar"); |
1419 | |
1540 | |
1420 | SvREFCNT_inc (sv); |
1541 | SvREFCNT_inc (sv); |
1421 | FREETMPS; LEAVE; |
1542 | FREETMPS; LEAVE; |
1422 | } |
1543 | } |
1423 | } |
1544 | } |
… | |
… | |
1425 | if (dec->json.cb_object) |
1546 | if (dec->json.cb_object) |
1426 | { |
1547 | { |
1427 | dSP; |
1548 | dSP; |
1428 | int count; |
1549 | int count; |
1429 | |
1550 | |
1430 | ENTER; SAVETMPS; PUSHMARK (SP); |
1551 | ENTER; SAVETMPS; |
|
|
1552 | PUSHMARK (SP); |
1431 | XPUSHs (sv_2mortal (sv)); |
1553 | XPUSHs (sv_2mortal (sv)); |
1432 | |
1554 | |
1433 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1555 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1434 | |
1556 | |
1435 | if (count == 1) |
1557 | if (count == 1) |
1436 | { |
1558 | { |
1437 | sv = newSVsv (POPs); |
1559 | sv = newSVsv (POPs); |
1438 | FREETMPS; LEAVE; |
1560 | FREETMPS; LEAVE; |
1439 | return sv; |
1561 | return sv; |
1440 | } |
1562 | } |
|
|
1563 | else if (count) |
|
|
1564 | croak ("filter_json_object callbacks must not return more than one scalar"); |
1441 | |
1565 | |
1442 | SvREFCNT_inc (sv); |
1566 | SvREFCNT_inc (sv); |
1443 | FREETMPS; LEAVE; |
1567 | FREETMPS; LEAVE; |
1444 | } |
1568 | } |
1445 | } |
1569 | } |
… | |
… | |
1451 | DEC_DEC_DEPTH; |
1575 | DEC_DEC_DEPTH; |
1452 | return 0; |
1576 | return 0; |
1453 | } |
1577 | } |
1454 | |
1578 | |
1455 | 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 * |
1456 | decode_sv (dec_t *dec) |
1663 | decode_sv (dec_t *dec) |
1457 | { |
1664 | { |
1458 | // the beauty of JSON: you need exactly one character lookahead |
1665 | // the beauty of JSON: you need exactly one character lookahead |
1459 | // to parse everything. |
1666 | // to parse everything. |
1460 | switch (*dec->cur) |
1667 | switch (*dec->cur) |
1461 | { |
1668 | { |
1462 | case '"': ++dec->cur; return decode_str (dec); |
1669 | case '"': ++dec->cur; return decode_str (dec); |
1463 | case '[': ++dec->cur; return decode_av (dec); |
1670 | case '[': ++dec->cur; return decode_av (dec); |
1464 | case '{': ++dec->cur; return decode_hv (dec); |
1671 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1672 | case '(': return decode_tag (dec); |
1465 | |
1673 | |
1466 | case '-': |
1674 | case '-': |
1467 | case '0': case '1': case '2': case '3': case '4': |
1675 | case '0': case '1': case '2': case '3': case '4': |
1468 | case '5': case '6': case '7': case '8': case '9': |
1676 | case '5': case '6': case '7': case '8': case '9': |
1469 | return decode_num (dec); |
1677 | return decode_num (dec); |
1470 | |
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 | |
1471 | case 't': |
1694 | case 't': |
1472 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1695 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1473 | { |
1696 | { |
1474 | dec->cur += 4; |
1697 | dec->cur += 4; |
1475 | #if JSON_SLOW |
1698 | |
1476 | json_true = get_bool ("JSON::XS::true"); |
1699 | if (expect_false (!dec->json.v_true)) |
1477 | #endif |
1700 | dec->json.v_true = GET_BOOL (true); |
|
|
1701 | |
1478 | return newSVsv (json_true); |
1702 | return newSVsv (dec->json.v_true); |
1479 | } |
1703 | } |
1480 | else |
1704 | else |
1481 | ERR ("'true' expected"); |
1705 | ERR ("'true' expected"); |
1482 | |
|
|
1483 | break; |
|
|
1484 | |
|
|
1485 | case 'f': |
|
|
1486 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1487 | { |
|
|
1488 | dec->cur += 5; |
|
|
1489 | #if JSON_SLOW |
|
|
1490 | json_false = get_bool ("JSON::XS::false"); |
|
|
1491 | #endif |
|
|
1492 | return newSVsv (json_false); |
|
|
1493 | } |
|
|
1494 | else |
|
|
1495 | ERR ("'false' expected"); |
|
|
1496 | |
1706 | |
1497 | break; |
1707 | break; |
1498 | |
1708 | |
1499 | case 'n': |
1709 | case 'n': |
1500 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
1710 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
… | |
… | |
1506 | ERR ("'null' expected"); |
1716 | ERR ("'null' expected"); |
1507 | |
1717 | |
1508 | break; |
1718 | break; |
1509 | |
1719 | |
1510 | default: |
1720 | default: |
1511 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1721 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1512 | break; |
1722 | break; |
1513 | } |
1723 | } |
1514 | |
1724 | |
1515 | fail: |
1725 | fail: |
1516 | return 0; |
1726 | return 0; |
1517 | } |
1727 | } |
1518 | |
1728 | |
1519 | static SV * |
1729 | static SV * |
1520 | decode_json (SV *string, JSON *json, char **offset_return) |
1730 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1521 | { |
1731 | { |
1522 | dec_t dec; |
1732 | dec_t dec; |
1523 | SV *sv; |
1733 | SV *sv; |
1524 | |
1734 | |
1525 | /* work around bugs in 5.10 where manipulating magic values |
1735 | /* work around bugs in 5.10 where manipulating magic values |
1526 | * will perl ignore the magic in subsequent accesses. |
1736 | * makes perl ignore the magic in subsequent accesses. |
1527 | * also make a copy of non-PV values, to get them into a clean |
1737 | * also make a copy of non-PV values, to get them into a clean |
1528 | * state (SvPV should do that, but it's buggy, see below). |
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. |
1529 | */ |
1742 | */ |
1530 | /*SvGETMAGIC (string);*/ |
1743 | /*SvGETMAGIC (string);*/ |
1531 | if (SvMAGICAL (string) || !SvPOK (string)) |
1744 | if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string)) |
1532 | string = sv_2mortal (newSVsv (string)); |
1745 | string = sv_2mortal (newSVsv (string)); |
1533 | |
1746 | |
1534 | SvUPGRADE (string, SVt_PV); |
1747 | SvUPGRADE (string, SVt_PV); |
1535 | |
1748 | |
1536 | /* 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 |
… | |
… | |
1575 | |
1788 | |
1576 | decode_ws (&dec); |
1789 | decode_ws (&dec); |
1577 | sv = decode_sv (&dec); |
1790 | sv = decode_sv (&dec); |
1578 | |
1791 | |
1579 | if (offset_return) |
1792 | if (offset_return) |
1580 | *offset_return = dec.cur; |
1793 | *offset_return = dec.cur - SvPVX (string); |
1581 | |
1794 | else if (sv) |
1582 | if (!(offset_return || !sv)) |
|
|
1583 | { |
1795 | { |
1584 | // check for trailing garbage |
1796 | // check for trailing garbage |
1585 | decode_ws (&dec); |
1797 | decode_ws (&dec); |
1586 | |
1798 | |
1587 | if (*dec.cur) |
1799 | if (*dec.cur) |
… | |
… | |
1605 | 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); |
1606 | LEAVE; |
1818 | LEAVE; |
1607 | |
1819 | |
1608 | croak ("%s, at character offset %d (before \"%s\")", |
1820 | croak ("%s, at character offset %d (before \"%s\")", |
1609 | dec.err, |
1821 | dec.err, |
1610 | ptr_to_index (string, dec.cur), |
1822 | (int)ptr_to_index (string, dec.cur), |
1611 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1823 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1612 | } |
1824 | } |
1613 | |
1825 | |
1614 | sv = sv_2mortal (sv); |
1826 | sv = sv_2mortal (sv); |
1615 | |
1827 | |
1616 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1828 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1617 | 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)"); |
1618 | |
1830 | |
1619 | return sv; |
1831 | return sv; |
1620 | } |
1832 | } |
1621 | |
1833 | |
… | |
… | |
1743 | self->incr_mode = INCR_M_STR; |
1955 | self->incr_mode = INCR_M_STR; |
1744 | goto incr_m_str; |
1956 | goto incr_m_str; |
1745 | |
1957 | |
1746 | case '[': |
1958 | case '[': |
1747 | case '{': |
1959 | case '{': |
|
|
1960 | case '(': |
1748 | if (++self->incr_nest > self->max_depth) |
1961 | if (++self->incr_nest > self->max_depth) |
1749 | croak (ERR_NESTING_EXCEEDED); |
1962 | croak (ERR_NESTING_EXCEEDED); |
1750 | break; |
1963 | break; |
1751 | |
1964 | |
1752 | case ']': |
1965 | case ']': |
1753 | case '}': |
1966 | case '}': |
1754 | if (--self->incr_nest <= 0) |
1967 | if (--self->incr_nest <= 0) |
1755 | goto interrupt; |
1968 | goto interrupt; |
|
|
1969 | break; |
|
|
1970 | |
|
|
1971 | case ')': |
|
|
1972 | --self->incr_nest; |
1756 | break; |
1973 | break; |
1757 | |
1974 | |
1758 | case '#': |
1975 | case '#': |
1759 | self->incr_mode = INCR_M_C1; |
1976 | self->incr_mode = INCR_M_C1; |
1760 | goto incr_m_c; |
1977 | goto incr_m_c; |
… | |
… | |
1786 | i >= '0' && i <= '9' ? i - '0' |
2003 | i >= '0' && i <= '9' ? i - '0' |
1787 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
2004 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1788 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
2005 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1789 | : -1; |
2006 | : -1; |
1790 | |
2007 | |
1791 | json_stash = gv_stashpv ("JSON::XS" , 1); |
2008 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1792 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
2009 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1793 | |
|
|
1794 | json_true = get_bool ("JSON::XS::true"); |
|
|
1795 | json_false = get_bool ("JSON::XS::false"); |
2010 | bool_false = get_bool ("Types::Serialiser::false"); |
|
|
2011 | bool_true = get_bool ("Types::Serialiser::true"); |
|
|
2012 | |
|
|
2013 | sv_json = newSVpv ("JSON", 0); |
|
|
2014 | SvREADONLY_on (sv_json); |
1796 | |
2015 | |
1797 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
2016 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1798 | } |
2017 | } |
1799 | |
2018 | |
1800 | PROTOTYPES: DISABLE |
2019 | PROTOTYPES: DISABLE |
1801 | |
2020 | |
1802 | void CLONE (...) |
2021 | void CLONE (...) |
1803 | CODE: |
2022 | CODE: |
|
|
2023 | // as long as these writes are atomic, the race should not matter |
|
|
2024 | // as existing threads either already use 0, or use the old value, |
|
|
2025 | // which is sitll correct for the initial thread. |
1804 | json_stash = 0; |
2026 | json_stash = 0; |
1805 | json_boolean_stash = 0; |
2027 | bool_stash = 0; |
|
|
2028 | bool_false = 0; |
|
|
2029 | bool_true = 0; |
1806 | |
2030 | |
1807 | void new (char *klass) |
2031 | void new (char *klass) |
1808 | PPCODE: |
2032 | PPCODE: |
1809 | { |
2033 | { |
1810 | SV *pv = NEWSV (0, sizeof (JSON)); |
2034 | SV *pv = NEWSV (0, sizeof (JSON)); |
1811 | SvPOK_only (pv); |
2035 | SvPOK_only (pv); |
1812 | json_init ((JSON *)SvPVX (pv)); |
2036 | json_init ((JSON *)SvPVX (pv)); |
1813 | XPUSHs (sv_2mortal (sv_bless ( |
2037 | XPUSHs (sv_2mortal (sv_bless ( |
1814 | newRV_noinc (pv), |
2038 | newRV_noinc (pv), |
1815 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
2039 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1816 | ))); |
2040 | ))); |
1817 | } |
2041 | } |
|
|
2042 | |
|
|
2043 | void boolean_values (JSON *self, SV *v_false = 0, SV *v_true = 0) |
|
|
2044 | PPCODE: |
|
|
2045 | self->v_false = newSVsv (v_false); |
|
|
2046 | self->v_true = newSVsv (v_true); |
|
|
2047 | XPUSHs (ST (0)); |
|
|
2048 | |
|
|
2049 | void get_boolean_values (JSON *self) |
|
|
2050 | PPCODE: |
|
|
2051 | if (self->v_false && self->v_true) |
|
|
2052 | { |
|
|
2053 | EXTEND (SP, 2); |
|
|
2054 | PUSHs (self->v_false); |
|
|
2055 | PUSHs (self->v_true); |
|
|
2056 | } |
1818 | |
2057 | |
1819 | void ascii (JSON *self, int enable = 1) |
2058 | void ascii (JSON *self, int enable = 1) |
1820 | ALIAS: |
2059 | ALIAS: |
1821 | ascii = F_ASCII |
2060 | ascii = F_ASCII |
1822 | latin1 = F_LATIN1 |
2061 | latin1 = F_LATIN1 |
… | |
… | |
1830 | shrink = F_SHRINK |
2069 | shrink = F_SHRINK |
1831 | allow_blessed = F_ALLOW_BLESSED |
2070 | allow_blessed = F_ALLOW_BLESSED |
1832 | convert_blessed = F_CONV_BLESSED |
2071 | convert_blessed = F_CONV_BLESSED |
1833 | relaxed = F_RELAXED |
2072 | relaxed = F_RELAXED |
1834 | allow_unknown = F_ALLOW_UNKNOWN |
2073 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
2074 | allow_tags = F_ALLOW_TAGS |
1835 | PPCODE: |
2075 | PPCODE: |
1836 | { |
2076 | { |
1837 | if (enable) |
2077 | if (enable) |
1838 | self->flags |= ix; |
2078 | self->flags |= ix; |
1839 | else |
2079 | else |
… | |
… | |
1855 | get_shrink = F_SHRINK |
2095 | get_shrink = F_SHRINK |
1856 | get_allow_blessed = F_ALLOW_BLESSED |
2096 | get_allow_blessed = F_ALLOW_BLESSED |
1857 | get_convert_blessed = F_CONV_BLESSED |
2097 | get_convert_blessed = F_CONV_BLESSED |
1858 | get_relaxed = F_RELAXED |
2098 | get_relaxed = F_RELAXED |
1859 | get_allow_unknown = F_ALLOW_UNKNOWN |
2099 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2100 | get_allow_tags = F_ALLOW_TAGS |
1860 | PPCODE: |
2101 | PPCODE: |
1861 | XPUSHs (boolSV (self->flags & ix)); |
2102 | XPUSHs (boolSV (self->flags & ix)); |
1862 | |
2103 | |
1863 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2104 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1864 | PPCODE: |
2105 | PPCODE: |
… | |
… | |
1892 | } |
2133 | } |
1893 | |
2134 | |
1894 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2135 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1895 | PPCODE: |
2136 | PPCODE: |
1896 | { |
2137 | { |
1897 | if (!self->cb_sk_object) |
2138 | if (!self->cb_sk_object) |
1898 | self->cb_sk_object = newHV (); |
2139 | self->cb_sk_object = newHV (); |
1899 | |
2140 | |
1900 | if (SvOK (cb)) |
2141 | if (SvOK (cb)) |
1901 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2142 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1902 | else |
2143 | else |
… | |
… | |
1913 | XPUSHs (ST (0)); |
2154 | XPUSHs (ST (0)); |
1914 | } |
2155 | } |
1915 | |
2156 | |
1916 | void encode (JSON *self, SV *scalar) |
2157 | void encode (JSON *self, SV *scalar) |
1917 | PPCODE: |
2158 | PPCODE: |
1918 | XPUSHs (encode_json (scalar, self)); |
2159 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2160 | XPUSHs (scalar); |
1919 | |
2161 | |
1920 | void decode (JSON *self, SV *jsonstr) |
2162 | void decode (JSON *self, SV *jsonstr) |
1921 | PPCODE: |
2163 | PPCODE: |
1922 | XPUSHs (decode_json (jsonstr, self, 0)); |
2164 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2165 | XPUSHs (jsonstr); |
1923 | |
2166 | |
1924 | void decode_prefix (JSON *self, SV *jsonstr) |
2167 | void decode_prefix (JSON *self, SV *jsonstr) |
1925 | PPCODE: |
2168 | PPCODE: |
1926 | { |
2169 | { |
1927 | char *offset; |
2170 | SV *sv; |
|
|
2171 | STRLEN offset; |
|
|
2172 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1928 | EXTEND (SP, 2); |
2173 | EXTEND (SP, 2); |
1929 | PUSHs (decode_json (jsonstr, self, &offset)); |
2174 | PUSHs (sv); |
1930 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2175 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset)))); |
1931 | } |
2176 | } |
1932 | |
2177 | |
1933 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2178 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1934 | PPCODE: |
2179 | PPCODE: |
1935 | { |
2180 | { |
… | |
… | |
1969 | { |
2214 | { |
1970 | STRLEN len; |
2215 | STRLEN len; |
1971 | const char *str = SvPV (jsonstr, len); |
2216 | const char *str = SvPV (jsonstr, len); |
1972 | STRLEN cur = SvCUR (self->incr_text); |
2217 | STRLEN cur = SvCUR (self->incr_text); |
1973 | |
2218 | |
1974 | if (SvLEN (self->incr_text) <= cur + len) |
2219 | if (SvLEN (self->incr_text) - cur <= len) |
1975 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
2220 | json_sv_grow (self->incr_text, cur, len); |
1976 | |
2221 | |
1977 | Move (str, SvEND (self->incr_text), len, char); |
2222 | Move (str, SvEND (self->incr_text), len, char); |
1978 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
2223 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1979 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
2224 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1980 | } |
2225 | } |
1981 | } |
2226 | } |
1982 | |
2227 | |
1983 | if (GIMME_V != G_VOID) |
2228 | if (GIMME_V != G_VOID) |
1984 | do |
2229 | do |
1985 | { |
2230 | { |
|
|
2231 | SV *sv; |
1986 | char *offset; |
2232 | STRLEN offset; |
1987 | |
2233 | |
1988 | if (!INCR_DONE (self)) |
2234 | if (!INCR_DONE (self)) |
1989 | { |
2235 | { |
1990 | incr_parse (self); |
2236 | incr_parse (self); |
1991 | |
2237 | |
… | |
… | |
1994 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2240 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1995 | |
2241 | |
1996 | if (!INCR_DONE (self)) |
2242 | if (!INCR_DONE (self)) |
1997 | { |
2243 | { |
1998 | // as an optimisation, do not accumulate white space in the incr buffer |
2244 | // as an optimisation, do not accumulate white space in the incr buffer |
1999 | if (self->incr_mode == INCR_M_WS) |
2245 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2246 | { |
|
|
2247 | self->incr_pos = 0; |
2000 | SvCUR_set (self->incr_text, 0); |
2248 | SvCUR_set (self->incr_text, 0); |
|
|
2249 | } |
2001 | |
2250 | |
2002 | break; |
2251 | break; |
2003 | } |
2252 | } |
2004 | } |
2253 | } |
2005 | |
2254 | |
2006 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2255 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2256 | XPUSHs (sv); |
2007 | |
2257 | |
2008 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2258 | self->incr_pos -= offset; |
2009 | self->incr_nest = 0; |
2259 | self->incr_nest = 0; |
2010 | self->incr_mode = 0; |
2260 | self->incr_mode = 0; |
2011 | |
2261 | |
2012 | sv_chop (self->incr_text, offset); |
2262 | sv_chop (self->incr_text, SvPVX (self->incr_text) + offset); |
2013 | } |
2263 | } |
2014 | while (GIMME_V == G_ARRAY); |
2264 | while (GIMME_V == G_ARRAY); |
2015 | } |
2265 | } |
2016 | |
2266 | |
2017 | SV *incr_text (JSON *self) |
2267 | SV *incr_text (JSON *self) |
… | |
… | |
2048 | self->incr_mode = 0; |
2298 | self->incr_mode = 0; |
2049 | } |
2299 | } |
2050 | |
2300 | |
2051 | void DESTROY (JSON *self) |
2301 | void DESTROY (JSON *self) |
2052 | CODE: |
2302 | CODE: |
|
|
2303 | SvREFCNT_dec (self->v_false); |
|
|
2304 | SvREFCNT_dec (self->v_true); |
2053 | SvREFCNT_dec (self->cb_sk_object); |
2305 | SvREFCNT_dec (self->cb_sk_object); |
2054 | SvREFCNT_dec (self->cb_object); |
2306 | SvREFCNT_dec (self->cb_object); |
2055 | SvREFCNT_dec (self->incr_text); |
2307 | SvREFCNT_dec (self->incr_text); |
2056 | |
2308 | |
2057 | PROTOTYPES: ENABLE |
2309 | PROTOTYPES: ENABLE |
2058 | |
2310 | |
2059 | void encode_json (SV *scalar) |
2311 | void encode_json (SV *scalar) |
2060 | ALIAS: |
|
|
2061 | to_json_ = 0 |
|
|
2062 | encode_json = F_UTF8 |
|
|
2063 | PPCODE: |
2312 | PPCODE: |
2064 | { |
2313 | { |
2065 | JSON json; |
2314 | JSON json; |
2066 | json_init (&json); |
2315 | json_init (&json); |
2067 | json.flags |= ix; |
2316 | json.flags |= F_UTF8; |
2068 | XPUSHs (encode_json (scalar, &json)); |
2317 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2318 | XPUSHs (scalar); |
2069 | } |
2319 | } |
2070 | |
2320 | |
2071 | void decode_json (SV *jsonstr) |
2321 | void decode_json (SV *jsonstr) |
2072 | ALIAS: |
|
|
2073 | from_json_ = 0 |
|
|
2074 | decode_json = F_UTF8 |
|
|
2075 | PPCODE: |
2322 | PPCODE: |
2076 | { |
2323 | { |
2077 | JSON json; |
2324 | JSON json; |
2078 | json_init (&json); |
2325 | json_init (&json); |
2079 | json.flags |= ix; |
2326 | json.flags |= F_UTF8; |
2080 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2327 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2328 | XPUSHs (jsonstr); |
2081 | } |
2329 | } |
2082 | |
2330 | |