… | |
… | |
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 |
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59 | |
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60 | #define DECODE_WANTS_OCTETS(json) ((json)->flags & F_UTF8) |
46 | |
61 | |
47 | #define SB do { |
62 | #define SB do { |
48 | #define SE } while (0) |
63 | #define SE } while (0) |
49 | |
64 | |
50 | #if __GNUC__ >= 3 |
65 | #if __GNUC__ >= 3 |
… | |
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63 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
78 | <= (unsigned type)((unsigned type)(end) - (unsigned type)(beg))) |
64 | |
79 | |
65 | #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?)" |
66 | |
81 | |
67 | #ifdef USE_ITHREADS |
82 | #ifdef USE_ITHREADS |
68 | # define JSON_SLOW 1 |
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69 | # 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)) |
70 | #else |
86 | #else |
71 | # define JSON_SLOW 0 |
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72 | # 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 |
73 | #endif |
90 | #endif |
74 | |
91 | |
75 | static HV *json_stash, *json_boolean_stash; // JSON::XS:: |
92 | // the amount of HEs to allocate on the stack, when sorting keys |
76 | 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; |
77 | |
98 | |
78 | enum { |
99 | enum { |
79 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
100 | INCR_M_WS = 0, // initial whitespace skipping, must be 0 |
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101 | INCR_M_TFN, // inside true/false/null |
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102 | INCR_M_NUM, // inside number |
80 | INCR_M_STR, // inside string |
103 | INCR_M_STR, // inside string |
81 | INCR_M_BS, // inside backslash |
104 | INCR_M_BS, // inside backslash |
82 | INCR_M_C0, // inside comment in initial whitespace sequence |
105 | INCR_M_C0, // inside comment in initial whitespace sequence |
83 | INCR_M_C1, // inside comment in other places |
106 | INCR_M_C1, // inside comment in other places |
84 | INCR_M_JSON // outside anything, count nesting |
107 | INCR_M_JSON // outside anything, count nesting |
… | |
… | |
97 | // for the incremental parser |
120 | // for the incremental parser |
98 | SV *incr_text; // the source text so far |
121 | SV *incr_text; // the source text so far |
99 | STRLEN incr_pos; // the current offset into the text |
122 | STRLEN incr_pos; // the current offset into the text |
100 | int incr_nest; // {[]}-nesting level |
123 | int incr_nest; // {[]}-nesting level |
101 | unsigned char incr_mode; |
124 | unsigned char incr_mode; |
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125 | |
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126 | SV *v_false, *v_true; |
102 | } JSON; |
127 | } JSON; |
103 | |
128 | |
104 | INLINE void |
129 | INLINE void |
105 | json_init (JSON *json) |
130 | json_init (JSON *json) |
106 | { |
131 | { |
107 | Zero (json, 1, JSON); |
132 | static const JSON init = { F_ALLOW_NONREF, 512 }; |
108 | json->max_depth = 512; |
133 | |
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134 | *json = init; |
109 | } |
135 | } |
110 | |
136 | |
111 | ///////////////////////////////////////////////////////////////////////////// |
137 | ///////////////////////////////////////////////////////////////////////////// |
112 | // utility functions |
138 | // utility functions |
113 | |
139 | |
… | |
… | |
135 | SvPV_renew (sv, SvCUR (sv) + 1); |
161 | SvPV_renew (sv, SvCUR (sv) + 1); |
136 | #endif |
162 | #endif |
137 | } |
163 | } |
138 | } |
164 | } |
139 | |
165 | |
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166 | /* adds two STRLENs together, slow, and with paranoia */ |
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167 | STRLEN |
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168 | strlen_sum (STRLEN l1, STRLEN l2) |
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169 | { |
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170 | size_t sum = l1 + l2; |
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171 | |
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172 | if (sum < (size_t)l2 || sum != (size_t)(STRLEN)sum) |
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173 | croak ("JSON::XS: string size overflow"); |
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174 | |
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175 | return sum; |
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176 | } |
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177 | |
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178 | /* similar to SvGROW, but somewhat safer and guarantees exponential realloc strategy */ |
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179 | static char * |
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180 | json_sv_grow (SV *sv, size_t len1, size_t len2) |
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181 | { |
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182 | len1 = strlen_sum (len1, len2); |
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183 | len1 = strlen_sum (len1, len1 >> 1); |
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184 | |
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185 | if (len1 > 4096 - 24) |
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186 | len1 = (len1 | 4095) - 24; |
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187 | |
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188 | return SvGROW (sv, len1); |
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189 | } |
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190 | |
140 | // decode an utf-8 character and return it, or (UV)-1 in |
191 | // decode a utf-8 character and return it, or (UV)-1 in |
141 | // case of an error. |
192 | // case of an error. |
142 | // we special-case "safe" characters from U+80 .. U+7FF, |
193 | // we special-case "safe" characters from U+80 .. U+7FF, |
143 | // but use the very good perl function to parse anything else. |
194 | // but use the very good perl function to parse anything else. |
144 | // note that we never call this function for a ascii codepoints |
195 | // note that we never call this function for a ascii codepoints |
145 | INLINE UV |
196 | INLINE UV |
… | |
… | |
192 | ///////////////////////////////////////////////////////////////////////////// |
243 | ///////////////////////////////////////////////////////////////////////////// |
193 | // fp hell |
244 | // fp hell |
194 | |
245 | |
195 | // scan a group of digits, and a trailing exponent |
246 | // scan a group of digits, and a trailing exponent |
196 | static void |
247 | static void |
197 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp) |
248 | json_atof_scan1 (const char *s, NV *accum, int *expo, int postdp, int maxdepth) |
198 | { |
249 | { |
199 | UV uaccum = 0; |
250 | UV uaccum = 0; |
200 | int eaccum = 0; |
251 | int eaccum = 0; |
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252 | |
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253 | // if we recurse too deep, skip all remaining digits |
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254 | // to avoid a stack overflow attack |
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255 | if (expect_false (--maxdepth <= 0)) |
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256 | while (((U8)*s - '0') < 10) |
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257 | ++s; |
201 | |
258 | |
202 | for (;;) |
259 | for (;;) |
203 | { |
260 | { |
204 | U8 dig = (U8)*s - '0'; |
261 | U8 dig = (U8)*s - '0'; |
205 | |
262 | |
206 | if (expect_false (dig >= 10)) |
263 | if (expect_false (dig >= 10)) |
207 | { |
264 | { |
208 | if (dig == (U8)((U8)'.' - (U8)'0')) |
265 | if (dig == (U8)((U8)'.' - (U8)'0')) |
209 | { |
266 | { |
210 | ++s; |
267 | ++s; |
211 | json_atof_scan1 (s, accum, expo, 1); |
268 | json_atof_scan1 (s, accum, expo, 1, maxdepth); |
212 | } |
269 | } |
213 | else if ((dig | ' ') == 'e' - '0') |
270 | else if ((dig | ' ') == 'e' - '0') |
214 | { |
271 | { |
215 | int exp2 = 0; |
272 | int exp2 = 0; |
216 | int neg = 0; |
273 | int neg = 0; |
… | |
… | |
242 | // if we have too many digits, then recurse for more |
299 | // if we have too many digits, then recurse for more |
243 | // we actually do this for rather few digits |
300 | // we actually do this for rather few digits |
244 | if (uaccum >= (UV_MAX - 9) / 10) |
301 | if (uaccum >= (UV_MAX - 9) / 10) |
245 | { |
302 | { |
246 | if (postdp) *expo -= eaccum; |
303 | if (postdp) *expo -= eaccum; |
247 | json_atof_scan1 (s, accum, expo, postdp); |
304 | json_atof_scan1 (s, accum, expo, postdp, maxdepth); |
248 | if (postdp) *expo += eaccum; |
305 | if (postdp) *expo += eaccum; |
249 | |
306 | |
250 | break; |
307 | break; |
251 | } |
308 | } |
252 | } |
309 | } |
253 | |
310 | |
254 | // this relies greatly on the quality of the pow () |
311 | // this relies greatly on the quality of the pow () |
255 | // implementation of the platform, but a good |
312 | // implementation of the platform, but a good |
256 | // implementation is hard to beat. |
313 | // implementation is hard to beat. |
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314 | // (IEEE 754 conformant ones are required to be exact) |
257 | if (postdp) *expo -= eaccum; |
315 | if (postdp) *expo -= eaccum; |
258 | *accum += uaccum * Perl_pow (10., *expo); |
316 | *accum += uaccum * Perl_pow (10., *expo); |
259 | *expo += eaccum; |
317 | *expo += eaccum; |
260 | } |
318 | } |
261 | |
319 | |
… | |
… | |
270 | { |
328 | { |
271 | ++s; |
329 | ++s; |
272 | neg = 1; |
330 | neg = 1; |
273 | } |
331 | } |
274 | |
332 | |
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333 | // a recursion depth of ten gives us >>500 bits |
275 | json_atof_scan1 (s, &accum, &expo, 0); |
334 | json_atof_scan1 (s, &accum, &expo, 0, 10); |
276 | |
335 | |
277 | return neg ? -accum : accum; |
336 | return neg ? -accum : accum; |
278 | } |
337 | } |
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338 | |
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339 | // target of scalar reference is bool? -1 == nope, 0 == false, 1 == true |
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340 | static int |
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341 | ref_bool_type (SV *sv) |
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342 | { |
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343 | svtype svt = SvTYPE (sv); |
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344 | |
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345 | if (svt < SVt_PVAV) |
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346 | { |
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347 | STRLEN len = 0; |
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348 | char *pv = svt ? SvPV (sv, len) : 0; |
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349 | |
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350 | if (len == 1) |
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351 | if (*pv == '1') |
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352 | return 1; |
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353 | else if (*pv == '0') |
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354 | return 0; |
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355 | } |
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356 | |
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357 | return -1; |
|
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358 | } |
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359 | |
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360 | // returns whether scalar is not a reference in the sense of allow_nonref |
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361 | static int |
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362 | json_nonref (SV *scalar) |
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363 | { |
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364 | if (!SvROK (scalar)) |
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365 | return 1; |
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366 | |
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367 | scalar = SvRV (scalar); |
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368 | |
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369 | if (SvTYPE (scalar) >= SVt_PVMG) |
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370 | { |
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371 | if (SvSTASH (scalar) == bool_stash) |
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372 | return 1; |
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373 | |
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374 | if (!SvOBJECT (scalar) && ref_bool_type (scalar) >= 0) |
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375 | return 1; |
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376 | } |
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377 | |
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378 | return 0; |
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379 | } |
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380 | |
279 | ///////////////////////////////////////////////////////////////////////////// |
381 | ///////////////////////////////////////////////////////////////////////////// |
280 | // encoder |
382 | // encoder |
281 | |
383 | |
282 | // structure used for encoding JSON |
384 | // structure used for encoding JSON |
283 | typedef struct |
385 | typedef struct |
… | |
… | |
291 | } enc_t; |
393 | } enc_t; |
292 | |
394 | |
293 | INLINE void |
395 | INLINE void |
294 | need (enc_t *enc, STRLEN len) |
396 | need (enc_t *enc, STRLEN len) |
295 | { |
397 | { |
296 | if (expect_false (enc->cur + len >= enc->end)) |
398 | if (expect_false ((uintptr_t)(enc->end - enc->cur) < len)) |
297 | { |
399 | { |
298 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
400 | STRLEN cur = enc->cur - (char *)SvPVX (enc->sv); |
299 | SvGROW (enc->sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
401 | char *buf = json_sv_grow (enc->sv, cur, len); |
300 | enc->cur = SvPVX (enc->sv) + cur; |
402 | enc->cur = buf + cur; |
301 | enc->end = SvPVX (enc->sv) + SvLEN (enc->sv) - 1; |
403 | enc->end = buf + SvLEN (enc->sv) - 1; |
302 | } |
404 | } |
303 | } |
405 | } |
304 | |
406 | |
305 | INLINE void |
407 | INLINE void |
306 | encode_ch (enc_t *enc, char ch) |
408 | encode_ch (enc_t *enc, char ch) |
… | |
… | |
322 | |
424 | |
323 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
425 | if (expect_true (ch >= 0x20 && ch < 0x80)) // most common case |
324 | { |
426 | { |
325 | if (expect_false (ch == '"')) // but with slow exceptions |
427 | if (expect_false (ch == '"')) // but with slow exceptions |
326 | { |
428 | { |
327 | need (enc, len += 1); |
429 | need (enc, len + 1); |
328 | *enc->cur++ = '\\'; |
430 | *enc->cur++ = '\\'; |
329 | *enc->cur++ = '"'; |
431 | *enc->cur++ = '"'; |
330 | } |
432 | } |
331 | else if (expect_false (ch == '\\')) |
433 | else if (expect_false (ch == '\\')) |
332 | { |
434 | { |
333 | need (enc, len += 1); |
435 | need (enc, len + 1); |
334 | *enc->cur++ = '\\'; |
436 | *enc->cur++ = '\\'; |
335 | *enc->cur++ = '\\'; |
437 | *enc->cur++ = '\\'; |
336 | } |
438 | } |
337 | else |
439 | else |
338 | *enc->cur++ = ch; |
440 | *enc->cur++ = ch; |
… | |
… | |
341 | } |
443 | } |
342 | else |
444 | else |
343 | { |
445 | { |
344 | switch (ch) |
446 | switch (ch) |
345 | { |
447 | { |
346 | case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
448 | case '\010': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break; |
347 | case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
449 | case '\011': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break; |
348 | case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
450 | case '\012': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break; |
349 | case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
451 | case '\014': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break; |
350 | case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
452 | case '\015': need (enc, len + 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break; |
351 | |
453 | |
352 | default: |
454 | default: |
353 | { |
455 | { |
354 | STRLEN clen; |
456 | STRLEN clen; |
355 | UV uch; |
457 | UV uch; |
… | |
… | |
371 | if (uch >= 0x10000UL) |
473 | if (uch >= 0x10000UL) |
372 | { |
474 | { |
373 | if (uch >= 0x110000UL) |
475 | if (uch >= 0x110000UL) |
374 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
476 | croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch); |
375 | |
477 | |
376 | need (enc, len += 11); |
478 | need (enc, len + 11); |
377 | sprintf (enc->cur, "\\u%04x\\u%04x", |
479 | sprintf (enc->cur, "\\u%04x\\u%04x", |
378 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
480 | (int)((uch - 0x10000) / 0x400 + 0xD800), |
379 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
481 | (int)((uch - 0x10000) % 0x400 + 0xDC00)); |
380 | enc->cur += 12; |
482 | enc->cur += 12; |
381 | } |
483 | } |
382 | else |
484 | else |
383 | { |
485 | { |
384 | need (enc, len += 5); |
486 | need (enc, len + 5); |
385 | *enc->cur++ = '\\'; |
487 | *enc->cur++ = '\\'; |
386 | *enc->cur++ = 'u'; |
488 | *enc->cur++ = 'u'; |
387 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
489 | *enc->cur++ = PL_hexdigit [ uch >> 12 ]; |
388 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
490 | *enc->cur++ = PL_hexdigit [(uch >> 8) & 15]; |
389 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
491 | *enc->cur++ = PL_hexdigit [(uch >> 4) & 15]; |
… | |
… | |
397 | *enc->cur++ = uch; |
499 | *enc->cur++ = uch; |
398 | str += clen; |
500 | str += clen; |
399 | } |
501 | } |
400 | else if (is_utf8) |
502 | else if (is_utf8) |
401 | { |
503 | { |
402 | need (enc, len += clen); |
504 | need (enc, len + clen); |
403 | do |
505 | do |
404 | { |
506 | { |
405 | *enc->cur++ = *str++; |
507 | *enc->cur++ = *str++; |
406 | } |
508 | } |
407 | while (--clen); |
509 | while (--clen); |
408 | } |
510 | } |
409 | else |
511 | else |
410 | { |
512 | { |
411 | need (enc, len += UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
513 | need (enc, len + UTF8_MAXBYTES - 1); // never more than 11 bytes needed |
412 | enc->cur = encode_utf8 (enc->cur, uch); |
514 | enc->cur = encode_utf8 (enc->cur, uch); |
413 | ++str; |
515 | ++str; |
414 | } |
516 | } |
415 | } |
517 | } |
416 | } |
518 | } |
… | |
… | |
470 | |
572 | |
471 | if (enc->indent >= enc->json.max_depth) |
573 | if (enc->indent >= enc->json.max_depth) |
472 | croak (ERR_NESTING_EXCEEDED); |
574 | croak (ERR_NESTING_EXCEEDED); |
473 | |
575 | |
474 | encode_ch (enc, '['); |
576 | encode_ch (enc, '['); |
475 | |
577 | |
476 | if (len >= 0) |
578 | if (len >= 0) |
477 | { |
579 | { |
478 | encode_nl (enc); ++enc->indent; |
580 | encode_nl (enc); ++enc->indent; |
479 | |
581 | |
480 | for (i = 0; i <= len; ++i) |
582 | for (i = 0; i <= len; ++i) |
… | |
… | |
492 | encode_comma (enc); |
594 | encode_comma (enc); |
493 | } |
595 | } |
494 | |
596 | |
495 | encode_nl (enc); --enc->indent; encode_indent (enc); |
597 | encode_nl (enc); --enc->indent; encode_indent (enc); |
496 | } |
598 | } |
497 | |
599 | |
498 | encode_ch (enc, ']'); |
600 | encode_ch (enc, ']'); |
499 | } |
601 | } |
500 | |
602 | |
501 | static void |
603 | static void |
502 | encode_hk (enc_t *enc, HE *he) |
604 | encode_hk (enc_t *enc, HE *he) |
… | |
… | |
506 | if (HeKLEN (he) == HEf_SVKEY) |
608 | if (HeKLEN (he) == HEf_SVKEY) |
507 | { |
609 | { |
508 | SV *sv = HeSVKEY (he); |
610 | SV *sv = HeSVKEY (he); |
509 | STRLEN len; |
611 | STRLEN len; |
510 | char *str; |
612 | char *str; |
511 | |
613 | |
512 | SvGETMAGIC (sv); |
614 | SvGETMAGIC (sv); |
513 | str = SvPV (sv, len); |
615 | str = SvPV (sv, len); |
514 | |
616 | |
515 | encode_str (enc, str, len, SvUTF8 (sv)); |
617 | encode_str (enc, str, len, SvUTF8 (sv)); |
516 | } |
618 | } |
… | |
… | |
582 | } |
684 | } |
583 | |
685 | |
584 | if (count) |
686 | if (count) |
585 | { |
687 | { |
586 | int i, fast = 1; |
688 | int i, fast = 1; |
587 | #if defined(__BORLANDC__) || defined(_MSC_VER) |
689 | HE *hes_stack [STACK_HES]; |
588 | HE **hes = _alloca (count * sizeof (HE)); |
690 | HE **hes = hes_stack; |
589 | #else |
691 | |
590 | HE *hes [count]; // if your compiler dies here, you need to enable C99 mode |
692 | // allocate larger arrays on the heap |
591 | #endif |
693 | if (count > STACK_HES) |
|
|
694 | { |
|
|
695 | SV *sv = sv_2mortal (NEWSV (0, count * sizeof (*hes))); |
|
|
696 | hes = (HE **)SvPVX (sv); |
|
|
697 | } |
592 | |
698 | |
593 | i = 0; |
699 | i = 0; |
594 | while ((he = hv_iternext (hv))) |
700 | while ((he = hv_iternext (hv))) |
595 | { |
701 | { |
596 | hes [i++] = he; |
702 | hes [i++] = he; |
… | |
… | |
665 | // encode objects, arrays and special \0=false and \1=true values. |
771 | // encode objects, arrays and special \0=false and \1=true values. |
666 | static void |
772 | static void |
667 | encode_rv (enc_t *enc, SV *sv) |
773 | encode_rv (enc_t *enc, SV *sv) |
668 | { |
774 | { |
669 | svtype svt; |
775 | svtype svt; |
|
|
776 | GV *method; |
670 | |
777 | |
671 | SvGETMAGIC (sv); |
778 | SvGETMAGIC (sv); |
672 | svt = SvTYPE (sv); |
779 | svt = SvTYPE (sv); |
673 | |
780 | |
674 | if (expect_false (SvOBJECT (sv))) |
781 | if (expect_false (SvOBJECT (sv))) |
675 | { |
782 | { |
676 | HV *stash = !JSON_SLOW || json_boolean_stash |
783 | HV *stash = SvSTASH (sv); |
677 | ? json_boolean_stash |
|
|
678 | : gv_stashpv ("JSON::XS::Boolean", 1); |
|
|
679 | |
784 | |
680 | if (SvSTASH (sv) == stash) |
785 | if (stash == bool_stash) |
681 | { |
786 | { |
682 | if (SvIV (sv)) |
|
|
683 | encode_str (enc, "true", 4, 0); |
787 | if (SvIV (sv)) encode_str (enc, "true" , 4, 0); |
684 | else |
|
|
685 | encode_str (enc, "false", 5, 0); |
788 | else encode_str (enc, "false", 5, 0); |
686 | } |
789 | } |
|
|
790 | else if ((enc->json.flags & F_ALLOW_TAGS) && (method = gv_fetchmethod_autoload (stash, "FREEZE", 0))) |
|
|
791 | { |
|
|
792 | int count; |
|
|
793 | dSP; |
|
|
794 | |
|
|
795 | ENTER; SAVETMPS; |
|
|
796 | PUSHMARK (SP); |
|
|
797 | EXTEND (SP, 2); |
|
|
798 | // we re-bless the reference to get overload and other niceties right |
|
|
799 | PUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
800 | PUSHs (sv_json); |
|
|
801 | |
|
|
802 | PUTBACK; |
|
|
803 | count = call_sv ((SV *)GvCV (method), G_ARRAY); |
|
|
804 | SPAGAIN; |
|
|
805 | |
|
|
806 | // catch this surprisingly common error |
|
|
807 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
808 | croak ("%s::FREEZE method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
809 | |
|
|
810 | encode_ch (enc, '('); |
|
|
811 | encode_ch (enc, '"'); |
|
|
812 | encode_str (enc, HvNAME (stash), HvNAMELEN (stash), HvNAMEUTF8 (stash)); |
|
|
813 | encode_ch (enc, '"'); |
|
|
814 | encode_ch (enc, ')'); |
|
|
815 | encode_ch (enc, '['); |
|
|
816 | |
|
|
817 | if (count) |
|
|
818 | { |
|
|
819 | int i; |
|
|
820 | |
|
|
821 | for (i = 0; i < count - 1; ++i) |
|
|
822 | { |
|
|
823 | encode_sv (enc, SP[i + 1 - count]); |
|
|
824 | encode_ch (enc, ','); |
|
|
825 | } |
|
|
826 | |
|
|
827 | encode_sv (enc, TOPs); |
|
|
828 | SP -= count; |
|
|
829 | } |
|
|
830 | |
|
|
831 | encode_ch (enc, ']'); |
|
|
832 | |
|
|
833 | FREETMPS; LEAVE; |
|
|
834 | } |
|
|
835 | else if ((enc->json.flags & F_CONV_BLESSED) && (method = gv_fetchmethod_autoload (stash, "TO_JSON", 0))) |
|
|
836 | { |
|
|
837 | dSP; |
|
|
838 | |
|
|
839 | ENTER; SAVETMPS; |
|
|
840 | PUSHMARK (SP); |
|
|
841 | // we re-bless the reference to get overload and other niceties right |
|
|
842 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), stash)); |
|
|
843 | |
|
|
844 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
845 | PUTBACK; |
|
|
846 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
847 | SPAGAIN; |
|
|
848 | |
|
|
849 | // catch this surprisingly common error |
|
|
850 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
851 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
852 | |
|
|
853 | sv = POPs; |
|
|
854 | PUTBACK; |
|
|
855 | |
|
|
856 | encode_sv (enc, sv); |
|
|
857 | |
|
|
858 | FREETMPS; LEAVE; |
|
|
859 | } |
|
|
860 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
861 | encode_str (enc, "null", 4, 0); |
687 | else |
862 | else |
688 | { |
|
|
689 | #if 0 |
|
|
690 | if (0 && sv_derived_from (rv, "JSON::Literal")) |
|
|
691 | { |
|
|
692 | // not yet |
|
|
693 | } |
|
|
694 | #endif |
|
|
695 | if (enc->json.flags & F_CONV_BLESSED) |
|
|
696 | { |
|
|
697 | // we re-bless the reference to get overload and other niceties right |
|
|
698 | GV *to_json = gv_fetchmethod_autoload (SvSTASH (sv), "TO_JSON", 0); |
|
|
699 | |
|
|
700 | if (to_json) |
|
|
701 | { |
|
|
702 | dSP; |
|
|
703 | |
|
|
704 | ENTER; SAVETMPS; PUSHMARK (SP); |
|
|
705 | XPUSHs (sv_bless (sv_2mortal (newRV_inc (sv)), SvSTASH (sv))); |
|
|
706 | |
|
|
707 | // calling with G_SCALAR ensures that we always get a 1 return value |
|
|
708 | PUTBACK; |
|
|
709 | call_sv ((SV *)GvCV (to_json), G_SCALAR); |
|
|
710 | SPAGAIN; |
|
|
711 | |
|
|
712 | // catch this surprisingly common error |
|
|
713 | if (SvROK (TOPs) && SvRV (TOPs) == sv) |
|
|
714 | croak ("%s::TO_JSON method returned same object as was passed instead of a new one", HvNAME (SvSTASH (sv))); |
|
|
715 | |
|
|
716 | sv = POPs; |
|
|
717 | PUTBACK; |
|
|
718 | |
|
|
719 | encode_sv (enc, sv); |
|
|
720 | |
|
|
721 | FREETMPS; LEAVE; |
|
|
722 | } |
|
|
723 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
724 | encode_str (enc, "null", 4, 0); |
|
|
725 | else |
|
|
726 | croak ("encountered object '%s', but neither allow_blessed enabled nor TO_JSON method available on it", |
|
|
727 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
|
|
728 | } |
|
|
729 | else if (enc->json.flags & F_ALLOW_BLESSED) |
|
|
730 | encode_str (enc, "null", 4, 0); |
|
|
731 | else |
|
|
732 | croak ("encountered object '%s', but neither allow_blessed nor convert_blessed settings are enabled", |
863 | croak ("encountered object '%s', but neither allow_blessed, convert_blessed nor allow_tags settings are enabled (or TO_JSON/FREEZE method missing)", |
733 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
864 | SvPV_nolen (sv_2mortal (newRV_inc (sv)))); |
734 | } |
|
|
735 | } |
865 | } |
736 | else if (svt == SVt_PVHV) |
866 | else if (svt == SVt_PVHV) |
737 | encode_hv (enc, (HV *)sv); |
867 | encode_hv (enc, (HV *)sv); |
738 | else if (svt == SVt_PVAV) |
868 | else if (svt == SVt_PVAV) |
739 | encode_av (enc, (AV *)sv); |
869 | encode_av (enc, (AV *)sv); |
740 | else if (svt < SVt_PVAV) |
870 | else if (svt < SVt_PVAV) |
741 | { |
871 | { |
742 | STRLEN len = 0; |
872 | int bool_type = ref_bool_type (sv); |
743 | char *pv = svt ? SvPV (sv, len) : 0; |
|
|
744 | |
873 | |
745 | if (len == 1 && *pv == '1') |
874 | if (bool_type == 1) |
746 | encode_str (enc, "true", 4, 0); |
875 | encode_str (enc, "true", 4, 0); |
747 | else if (len == 1 && *pv == '0') |
876 | else if (bool_type == 0) |
748 | encode_str (enc, "false", 5, 0); |
877 | encode_str (enc, "false", 5, 0); |
749 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
878 | else if (enc->json.flags & F_ALLOW_UNKNOWN) |
750 | encode_str (enc, "null", 4, 0); |
879 | encode_str (enc, "null", 4, 0); |
751 | else |
880 | else |
752 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
881 | croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1", |
… | |
… | |
815 | } |
944 | } |
816 | else |
945 | else |
817 | { |
946 | { |
818 | // large integer, use the (rather slow) snprintf way. |
947 | // large integer, use the (rather slow) snprintf way. |
819 | need (enc, IVUV_MAXCHARS); |
948 | need (enc, IVUV_MAXCHARS); |
820 | enc->cur += |
949 | enc->cur += |
821 | SvIsUV(sv) |
950 | SvIsUV(sv) |
822 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
951 | ? snprintf (enc->cur, IVUV_MAXCHARS, "%"UVuf, (UV)SvUVX (sv)) |
823 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
952 | : snprintf (enc->cur, IVUV_MAXCHARS, "%"IVdf, (IV)SvIVX (sv)); |
824 | } |
953 | } |
825 | } |
954 | } |
826 | else if (SvROK (sv)) |
955 | else if (SvROK (sv)) |
827 | encode_rv (enc, SvRV (sv)); |
956 | encode_rv (enc, SvRV (sv)); |
828 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
957 | else if (!SvOK (sv) || enc->json.flags & F_ALLOW_UNKNOWN) |
829 | encode_str (enc, "null", 4, 0); |
958 | encode_str (enc, "null", 4, 0); |
830 | else |
959 | else |
831 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this", |
960 | croak ("encountered perl type (%s,0x%x) that JSON cannot handle, check your input data", |
832 | SvPV_nolen (sv), SvFLAGS (sv)); |
961 | SvPV_nolen (sv), (unsigned int)SvFLAGS (sv)); |
833 | } |
962 | } |
834 | |
963 | |
835 | static SV * |
964 | static SV * |
836 | encode_json (SV *scalar, JSON *json) |
965 | encode_json (SV *scalar, JSON *json) |
837 | { |
966 | { |
838 | enc_t enc; |
967 | enc_t enc; |
839 | |
968 | |
840 | if (!(json->flags & F_ALLOW_NONREF) && !SvROK (scalar)) |
969 | if (!(json->flags & F_ALLOW_NONREF) && json_nonref (scalar)) |
841 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
970 | croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)"); |
842 | |
971 | |
843 | enc.json = *json; |
972 | enc.json = *json; |
844 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
973 | enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); |
845 | enc.cur = SvPVX (enc.sv); |
974 | enc.cur = SvPVX (enc.sv); |
… | |
… | |
1052 | *cur++ = *dec_cur++; |
1181 | *cur++ = *dec_cur++; |
1053 | while (--clen); |
1182 | while (--clen); |
1054 | |
1183 | |
1055 | utf8 = 1; |
1184 | utf8 = 1; |
1056 | } |
1185 | } |
|
|
1186 | else if (ch == '\t' && dec->json.flags & F_RELAXED) |
|
|
1187 | *cur++ = ch; |
1057 | else |
1188 | else |
1058 | { |
1189 | { |
1059 | --dec_cur; |
1190 | --dec_cur; |
1060 | |
1191 | |
1061 | if (!ch) |
1192 | if (!ch) |
… | |
… | |
1071 | |
1202 | |
1072 | if (sv) |
1203 | if (sv) |
1073 | { |
1204 | { |
1074 | STRLEN cur = SvCUR (sv); |
1205 | STRLEN cur = SvCUR (sv); |
1075 | |
1206 | |
1076 | if (SvLEN (sv) <= cur + len) |
1207 | if (SvLEN (sv) - cur <= len) |
1077 | SvGROW (sv, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
1208 | json_sv_grow (sv, cur, len); |
1078 | |
1209 | |
1079 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1210 | memcpy (SvPVX (sv) + SvCUR (sv), buf, len); |
1080 | SvCUR_set (sv, SvCUR (sv) + len); |
1211 | SvCUR_set (sv, SvCUR (sv) + len); |
1081 | } |
1212 | } |
1082 | else |
1213 | else |
… | |
… | |
1249 | if (*dec->cur == ']') |
1380 | if (*dec->cur == ']') |
1250 | { |
1381 | { |
1251 | ++dec->cur; |
1382 | ++dec->cur; |
1252 | break; |
1383 | break; |
1253 | } |
1384 | } |
1254 | |
1385 | |
1255 | if (*dec->cur != ',') |
1386 | if (*dec->cur != ',') |
1256 | ERR (", or ] expected while parsing array"); |
1387 | ERR (", or ] expected while parsing array"); |
1257 | |
1388 | |
1258 | ++dec->cur; |
1389 | ++dec->cur; |
1259 | |
1390 | |
… | |
… | |
1383 | |
1514 | |
1384 | hv_iterinit (hv); |
1515 | hv_iterinit (hv); |
1385 | he = hv_iternext (hv); |
1516 | he = hv_iternext (hv); |
1386 | hv_iterinit (hv); |
1517 | hv_iterinit (hv); |
1387 | |
1518 | |
1388 | // the next line creates a mortal sv each time its called. |
1519 | // the next line creates a mortal sv each time it's called. |
1389 | // might want to optimise this for common cases. |
1520 | // might want to optimise this for common cases. |
1390 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1521 | cb = hv_fetch_ent (dec->json.cb_sk_object, hv_iterkeysv (he), 0, 0); |
1391 | |
1522 | |
1392 | if (cb) |
1523 | if (cb) |
1393 | { |
1524 | { |
1394 | dSP; |
1525 | dSP; |
1395 | int count; |
1526 | int count; |
1396 | |
1527 | |
1397 | ENTER; SAVETMPS; PUSHMARK (SP); |
1528 | ENTER; SAVETMPS; |
|
|
1529 | PUSHMARK (SP); |
1398 | XPUSHs (HeVAL (he)); |
1530 | XPUSHs (HeVAL (he)); |
|
|
1531 | sv_2mortal (sv); |
1399 | |
1532 | |
1400 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1533 | PUTBACK; count = call_sv (HeVAL (cb), G_ARRAY); SPAGAIN; |
1401 | |
1534 | |
1402 | if (count == 1) |
1535 | if (count == 1) |
1403 | { |
1536 | { |
1404 | sv = newSVsv (POPs); |
1537 | sv = newSVsv (POPs); |
1405 | FREETMPS; LEAVE; |
1538 | FREETMPS; LEAVE; |
1406 | return sv; |
1539 | return sv; |
1407 | } |
1540 | } |
|
|
1541 | else if (count) |
|
|
1542 | croak ("filter_json_single_key_object callbacks must not return more than one scalar"); |
1408 | |
1543 | |
|
|
1544 | SvREFCNT_inc (sv); |
1409 | FREETMPS; LEAVE; |
1545 | FREETMPS; LEAVE; |
1410 | } |
1546 | } |
1411 | } |
1547 | } |
1412 | |
1548 | |
1413 | if (dec->json.cb_object) |
1549 | if (dec->json.cb_object) |
1414 | { |
1550 | { |
1415 | dSP; |
1551 | dSP; |
1416 | int count; |
1552 | int count; |
1417 | |
1553 | |
1418 | ENTER; SAVETMPS; PUSHMARK (SP); |
1554 | ENTER; SAVETMPS; |
|
|
1555 | PUSHMARK (SP); |
1419 | XPUSHs (sv_2mortal (sv)); |
1556 | XPUSHs (sv_2mortal (sv)); |
1420 | |
1557 | |
1421 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1558 | PUTBACK; count = call_sv (dec->json.cb_object, G_ARRAY); SPAGAIN; |
1422 | |
1559 | |
1423 | if (count == 1) |
1560 | if (count == 1) |
1424 | { |
1561 | { |
1425 | sv = newSVsv (POPs); |
1562 | sv = newSVsv (POPs); |
1426 | FREETMPS; LEAVE; |
1563 | FREETMPS; LEAVE; |
1427 | return sv; |
1564 | return sv; |
1428 | } |
1565 | } |
|
|
1566 | else if (count) |
|
|
1567 | croak ("filter_json_object callbacks must not return more than one scalar"); |
1429 | |
1568 | |
1430 | SvREFCNT_inc (sv); |
1569 | SvREFCNT_inc (sv); |
1431 | FREETMPS; LEAVE; |
1570 | FREETMPS; LEAVE; |
1432 | } |
1571 | } |
1433 | } |
1572 | } |
… | |
… | |
1439 | DEC_DEC_DEPTH; |
1578 | DEC_DEC_DEPTH; |
1440 | return 0; |
1579 | return 0; |
1441 | } |
1580 | } |
1442 | |
1581 | |
1443 | static SV * |
1582 | static SV * |
|
|
1583 | decode_tag (dec_t *dec) |
|
|
1584 | { |
|
|
1585 | SV *tag = 0; |
|
|
1586 | SV *val = 0; |
|
|
1587 | |
|
|
1588 | if (!(dec->json.flags & F_ALLOW_TAGS)) |
|
|
1589 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
|
|
1590 | |
|
|
1591 | ++dec->cur; |
|
|
1592 | |
|
|
1593 | decode_ws (dec); |
|
|
1594 | |
|
|
1595 | tag = decode_sv (dec); |
|
|
1596 | if (!tag) |
|
|
1597 | goto fail; |
|
|
1598 | |
|
|
1599 | if (!SvPOK (tag)) |
|
|
1600 | ERR ("malformed JSON string, (tag) must be a string"); |
|
|
1601 | |
|
|
1602 | decode_ws (dec); |
|
|
1603 | |
|
|
1604 | if (*dec->cur != ')') |
|
|
1605 | ERR (") expected after tag"); |
|
|
1606 | |
|
|
1607 | ++dec->cur; |
|
|
1608 | |
|
|
1609 | decode_ws (dec); |
|
|
1610 | |
|
|
1611 | val = decode_sv (dec); |
|
|
1612 | if (!val) |
|
|
1613 | goto fail; |
|
|
1614 | |
|
|
1615 | if (!SvROK (val) || SvTYPE (SvRV (val)) != SVt_PVAV) |
|
|
1616 | ERR ("malformed JSON string, tag value must be an array"); |
|
|
1617 | |
|
|
1618 | { |
|
|
1619 | AV *av = (AV *)SvRV (val); |
|
|
1620 | int i, len = av_len (av) + 1; |
|
|
1621 | HV *stash = gv_stashsv (tag, 0); |
|
|
1622 | SV *sv; |
|
|
1623 | |
|
|
1624 | if (!stash) |
|
|
1625 | ERR ("cannot decode perl-object (package does not exist)"); |
|
|
1626 | |
|
|
1627 | GV *method = gv_fetchmethod_autoload (stash, "THAW", 0); |
|
|
1628 | |
|
|
1629 | if (!method) |
|
|
1630 | ERR ("cannot decode perl-object (package does not have a THAW method)"); |
|
|
1631 | |
|
|
1632 | dSP; |
|
|
1633 | |
|
|
1634 | ENTER; SAVETMPS; |
|
|
1635 | PUSHMARK (SP); |
|
|
1636 | EXTEND (SP, len + 2); |
|
|
1637 | // we re-bless the reference to get overload and other niceties right |
|
|
1638 | PUSHs (tag); |
|
|
1639 | PUSHs (sv_json); |
|
|
1640 | |
|
|
1641 | for (i = 0; i < len; ++i) |
|
|
1642 | PUSHs (*av_fetch (av, i, 1)); |
|
|
1643 | |
|
|
1644 | PUTBACK; |
|
|
1645 | call_sv ((SV *)GvCV (method), G_SCALAR); |
|
|
1646 | SPAGAIN; |
|
|
1647 | |
|
|
1648 | SvREFCNT_dec (tag); |
|
|
1649 | SvREFCNT_dec (val); |
|
|
1650 | sv = SvREFCNT_inc (POPs); |
|
|
1651 | |
|
|
1652 | PUTBACK; |
|
|
1653 | |
|
|
1654 | FREETMPS; LEAVE; |
|
|
1655 | |
|
|
1656 | return sv; |
|
|
1657 | } |
|
|
1658 | |
|
|
1659 | fail: |
|
|
1660 | SvREFCNT_dec (tag); |
|
|
1661 | SvREFCNT_dec (val); |
|
|
1662 | return 0; |
|
|
1663 | } |
|
|
1664 | |
|
|
1665 | static SV * |
1444 | decode_sv (dec_t *dec) |
1666 | decode_sv (dec_t *dec) |
1445 | { |
1667 | { |
1446 | // the beauty of JSON: you need exactly one character lookahead |
1668 | // the beauty of JSON: you need exactly one character lookahead |
1447 | // to parse everything. |
1669 | // to parse everything. |
1448 | switch (*dec->cur) |
1670 | switch (*dec->cur) |
1449 | { |
1671 | { |
1450 | case '"': ++dec->cur; return decode_str (dec); |
1672 | case '"': ++dec->cur; return decode_str (dec); |
1451 | case '[': ++dec->cur; return decode_av (dec); |
1673 | case '[': ++dec->cur; return decode_av (dec); |
1452 | case '{': ++dec->cur; return decode_hv (dec); |
1674 | case '{': ++dec->cur; return decode_hv (dec); |
|
|
1675 | case '(': return decode_tag (dec); |
1453 | |
1676 | |
1454 | case '-': |
1677 | case '-': |
1455 | case '0': case '1': case '2': case '3': case '4': |
1678 | case '0': case '1': case '2': case '3': case '4': |
1456 | case '5': case '6': case '7': case '8': case '9': |
1679 | case '5': case '6': case '7': case '8': case '9': |
1457 | return decode_num (dec); |
1680 | return decode_num (dec); |
1458 | |
1681 | |
|
|
1682 | case 'f': |
|
|
1683 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1684 | { |
|
|
1685 | dec->cur += 5; |
|
|
1686 | |
|
|
1687 | if (expect_false (!dec->json.v_false)) |
|
|
1688 | dec->json.v_false = GET_BOOL (false); |
|
|
1689 | |
|
|
1690 | return newSVsv (dec->json.v_false); |
|
|
1691 | } |
|
|
1692 | else |
|
|
1693 | ERR ("'false' expected"); |
|
|
1694 | |
|
|
1695 | break; |
|
|
1696 | |
1459 | case 't': |
1697 | case 't': |
1460 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1698 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "true", 4)) |
1461 | { |
1699 | { |
1462 | dec->cur += 4; |
1700 | dec->cur += 4; |
1463 | #if JSON_SLOW |
1701 | |
1464 | json_true = get_bool ("JSON::XS::true"); |
1702 | if (expect_false (!dec->json.v_true)) |
1465 | #endif |
1703 | dec->json.v_true = GET_BOOL (true); |
|
|
1704 | |
1466 | return newSVsv (json_true); |
1705 | return newSVsv (dec->json.v_true); |
1467 | } |
1706 | } |
1468 | else |
1707 | else |
1469 | ERR ("'true' expected"); |
1708 | ERR ("'true' expected"); |
1470 | |
|
|
1471 | break; |
|
|
1472 | |
|
|
1473 | case 'f': |
|
|
1474 | if (dec->end - dec->cur >= 5 && !memcmp (dec->cur, "false", 5)) |
|
|
1475 | { |
|
|
1476 | dec->cur += 5; |
|
|
1477 | #if JSON_SLOW |
|
|
1478 | json_false = get_bool ("JSON::XS::false"); |
|
|
1479 | #endif |
|
|
1480 | return newSVsv (json_false); |
|
|
1481 | } |
|
|
1482 | else |
|
|
1483 | ERR ("'false' expected"); |
|
|
1484 | |
1709 | |
1485 | break; |
1710 | break; |
1486 | |
1711 | |
1487 | case 'n': |
1712 | case 'n': |
1488 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
1713 | if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) |
… | |
… | |
1494 | ERR ("'null' expected"); |
1719 | ERR ("'null' expected"); |
1495 | |
1720 | |
1496 | break; |
1721 | break; |
1497 | |
1722 | |
1498 | default: |
1723 | default: |
1499 | ERR ("malformed JSON string, neither array, object, number, string or atom"); |
1724 | ERR ("malformed JSON string, neither tag, array, object, number, string or atom"); |
1500 | break; |
1725 | break; |
1501 | } |
1726 | } |
1502 | |
1727 | |
1503 | fail: |
1728 | fail: |
1504 | return 0; |
1729 | return 0; |
1505 | } |
1730 | } |
1506 | |
1731 | |
1507 | static SV * |
1732 | static SV * |
1508 | decode_json (SV *string, JSON *json, char **offset_return) |
1733 | decode_json (SV *string, JSON *json, STRLEN *offset_return) |
1509 | { |
1734 | { |
1510 | dec_t dec; |
1735 | dec_t dec; |
1511 | SV *sv; |
1736 | SV *sv; |
1512 | |
1737 | |
1513 | /* work around bugs in 5.10 where manipulating magic values |
1738 | /* work around bugs in 5.10 where manipulating magic values |
1514 | * will perl ignore the magic in subsequent accesses |
1739 | * makes perl ignore the magic in subsequent accesses. |
|
|
1740 | * also make a copy of non-PV values, to get them into a clean |
|
|
1741 | * state (SvPV should do that, but it's buggy, see below). |
|
|
1742 | * |
|
|
1743 | * SvIsCOW_shared_hash works around a bug in perl (possibly 5.16), |
|
|
1744 | * as reported by Reini Urban. |
1515 | */ |
1745 | */ |
1516 | /*SvGETMAGIC (string);*/ |
1746 | /*SvGETMAGIC (string);*/ |
1517 | if (SvMAGICAL (string)) |
1747 | if (SvMAGICAL (string) || !SvPOK (string) || SvIsCOW_shared_hash (string)) |
1518 | string = sv_2mortal (newSVsv (string)); |
1748 | string = sv_2mortal (newSVsv (string)); |
1519 | |
1749 | |
1520 | SvUPGRADE (string, SVt_PV); |
1750 | SvUPGRADE (string, SVt_PV); |
1521 | |
1751 | |
1522 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
1752 | /* work around a bug in perl 5.10, which causes SvCUR to fail an |
… | |
… | |
1539 | if (offset > json->max_size && json->max_size) |
1769 | if (offset > json->max_size && json->max_size) |
1540 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1770 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1541 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1771 | (unsigned long)SvCUR (string), (unsigned long)json->max_size); |
1542 | } |
1772 | } |
1543 | |
1773 | |
1544 | if (json->flags & F_UTF8) |
1774 | if (DECODE_WANTS_OCTETS (json)) |
1545 | sv_utf8_downgrade (string, 0); |
1775 | sv_utf8_downgrade (string, 0); |
1546 | else |
1776 | else |
1547 | sv_utf8_upgrade (string); |
1777 | sv_utf8_upgrade (string); |
1548 | |
1778 | |
1549 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
1779 | SvGROW (string, SvCUR (string) + 1); // should basically be a NOP |
… | |
… | |
1561 | |
1791 | |
1562 | decode_ws (&dec); |
1792 | decode_ws (&dec); |
1563 | sv = decode_sv (&dec); |
1793 | sv = decode_sv (&dec); |
1564 | |
1794 | |
1565 | if (offset_return) |
1795 | if (offset_return) |
1566 | *offset_return = dec.cur; |
1796 | *offset_return = dec.cur - SvPVX (string); |
1567 | |
1797 | else if (sv) |
1568 | if (!(offset_return || !sv)) |
|
|
1569 | { |
1798 | { |
1570 | // check for trailing garbage |
1799 | // check for trailing garbage |
1571 | decode_ws (&dec); |
1800 | decode_ws (&dec); |
1572 | |
1801 | |
1573 | if (*dec.cur) |
1802 | if (dec.cur != dec.end) |
1574 | { |
1803 | { |
1575 | dec.err = "garbage after JSON object"; |
1804 | dec.err = "garbage after JSON object"; |
1576 | SvREFCNT_dec (sv); |
1805 | SvREFCNT_dec (sv); |
1577 | sv = 0; |
1806 | sv = 0; |
1578 | } |
1807 | } |
… | |
… | |
1591 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1820 | pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); |
1592 | LEAVE; |
1821 | LEAVE; |
1593 | |
1822 | |
1594 | croak ("%s, at character offset %d (before \"%s\")", |
1823 | croak ("%s, at character offset %d (before \"%s\")", |
1595 | dec.err, |
1824 | dec.err, |
1596 | ptr_to_index (string, dec.cur), |
1825 | (int)ptr_to_index (string, dec.cur), |
1597 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1826 | dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); |
1598 | } |
1827 | } |
1599 | |
1828 | |
1600 | sv = sv_2mortal (sv); |
1829 | sv = sv_2mortal (sv); |
1601 | |
1830 | |
1602 | if (!(dec.json.flags & F_ALLOW_NONREF) && !SvROK (sv)) |
1831 | if (!(dec.json.flags & F_ALLOW_NONREF) && json_nonref (sv)) |
1603 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1832 | croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)"); |
1604 | |
1833 | |
1605 | return sv; |
1834 | return sv; |
1606 | } |
1835 | } |
1607 | |
1836 | |
… | |
… | |
1616 | // the state machine here is a bit convoluted and could be simplified a lot |
1845 | // the state machine here is a bit convoluted and could be simplified a lot |
1617 | // but this would make it slower, so... |
1846 | // but this would make it slower, so... |
1618 | |
1847 | |
1619 | for (;;) |
1848 | for (;;) |
1620 | { |
1849 | { |
1621 | //printf ("loop pod %d *p<%c><%s>, mode %d nest %d\n", p - SvPVX (self->incr_text), *p, p, self->incr_mode, self->incr_nest);//D |
|
|
1622 | switch (self->incr_mode) |
1850 | switch (self->incr_mode) |
1623 | { |
1851 | { |
|
|
1852 | // reached end of a scalar, see if we are inside a nested structure or not |
|
|
1853 | end_of_scalar: |
|
|
1854 | self->incr_mode = INCR_M_JSON; |
|
|
1855 | |
|
|
1856 | if (self->incr_nest) // end of a scalar inside array, object or tag |
|
|
1857 | goto incr_m_json; |
|
|
1858 | else // end of scalar outside structure, json text ends here |
|
|
1859 | goto interrupt; |
|
|
1860 | |
1624 | // only used for initial whitespace skipping |
1861 | // only used for initial whitespace skipping |
1625 | case INCR_M_WS: |
1862 | case INCR_M_WS: |
1626 | for (;;) |
1863 | for (;;) |
1627 | { |
1864 | { |
1628 | if (*p > 0x20) |
1865 | if (*p > 0x20) |
… | |
… | |
1670 | ++p; |
1907 | ++p; |
1671 | } |
1908 | } |
1672 | |
1909 | |
1673 | break; |
1910 | break; |
1674 | |
1911 | |
|
|
1912 | // inside true/false/null |
|
|
1913 | case INCR_M_TFN: |
|
|
1914 | incr_m_tfn: |
|
|
1915 | for (;;) |
|
|
1916 | switch (*p++) |
|
|
1917 | { |
|
|
1918 | case 'r': case 'u': case 'e': // tRUE, falsE, nUll |
|
|
1919 | case 'a': case 'l': case 's': // fALSe, nuLL |
|
|
1920 | // allowed |
|
|
1921 | break; |
|
|
1922 | |
|
|
1923 | default: |
|
|
1924 | --p; |
|
|
1925 | goto end_of_scalar; |
|
|
1926 | } |
|
|
1927 | |
|
|
1928 | // inside a number |
|
|
1929 | case INCR_M_NUM: |
|
|
1930 | incr_m_num: |
|
|
1931 | for (;;) |
|
|
1932 | switch (*p++) |
|
|
1933 | { |
|
|
1934 | case 'e': case 'E': case '.': case '+': |
|
|
1935 | case '-': |
|
|
1936 | case '0': case '1': case '2': case '3': case '4': |
|
|
1937 | case '5': case '6': case '7': case '8': case '9': |
|
|
1938 | // allowed |
|
|
1939 | break; |
|
|
1940 | |
|
|
1941 | default: |
|
|
1942 | --p; |
|
|
1943 | goto end_of_scalar; |
|
|
1944 | } |
|
|
1945 | |
1675 | // inside a string |
1946 | // inside a string |
1676 | case INCR_M_STR: |
1947 | case INCR_M_STR: |
1677 | incr_m_str: |
1948 | incr_m_str: |
1678 | for (;;) |
1949 | for (;;) |
1679 | { |
1950 | { |
1680 | if (*p == '"') |
1951 | if (*p == '"') |
1681 | { |
1952 | { |
1682 | ++p; |
1953 | ++p; |
1683 | self->incr_mode = INCR_M_JSON; |
|
|
1684 | |
|
|
1685 | if (!self->incr_nest) |
|
|
1686 | goto interrupt; |
|
|
1687 | |
|
|
1688 | goto incr_m_json; |
1954 | goto end_of_scalar; |
1689 | } |
1955 | } |
1690 | else if (*p == '\\') |
1956 | else if (*p == '\\') |
1691 | { |
1957 | { |
1692 | ++p; // "virtually" consumes character after \ |
1958 | ++p; // "virtually" consumes character after \ |
1693 | |
1959 | |
… | |
… | |
1723 | --p; // do not eat the whitespace, let the next round do it |
1989 | --p; // do not eat the whitespace, let the next round do it |
1724 | goto interrupt; |
1990 | goto interrupt; |
1725 | } |
1991 | } |
1726 | break; |
1992 | break; |
1727 | |
1993 | |
|
|
1994 | // the following three blocks handle scalars. this makes the parser |
|
|
1995 | // more strict than required inside arrays or objects, and could |
|
|
1996 | // be moved to a special case on the toplevel (except strings) |
|
|
1997 | case 't': |
|
|
1998 | case 'f': |
|
|
1999 | case 'n': |
|
|
2000 | self->incr_mode = INCR_M_TFN; |
|
|
2001 | goto incr_m_tfn; |
|
|
2002 | |
|
|
2003 | case '-': |
|
|
2004 | case '0': case '1': case '2': case '3': case '4': |
|
|
2005 | case '5': case '6': case '7': case '8': case '9': |
|
|
2006 | self->incr_mode = INCR_M_NUM; |
|
|
2007 | goto incr_m_num; |
|
|
2008 | |
1728 | case '"': |
2009 | case '"': |
1729 | self->incr_mode = INCR_M_STR; |
2010 | self->incr_mode = INCR_M_STR; |
1730 | goto incr_m_str; |
2011 | goto incr_m_str; |
1731 | |
2012 | |
1732 | case '[': |
2013 | case '[': |
1733 | case '{': |
2014 | case '{': |
|
|
2015 | case '(': |
1734 | if (++self->incr_nest > self->max_depth) |
2016 | if (++self->incr_nest > self->max_depth) |
1735 | croak (ERR_NESTING_EXCEEDED); |
2017 | croak (ERR_NESTING_EXCEEDED); |
1736 | break; |
2018 | break; |
1737 | |
2019 | |
1738 | case ']': |
2020 | case ']': |
1739 | case '}': |
2021 | case '}': |
1740 | if (--self->incr_nest <= 0) |
2022 | if (--self->incr_nest <= 0) |
1741 | goto interrupt; |
2023 | goto interrupt; |
|
|
2024 | break; |
|
|
2025 | |
|
|
2026 | case ')': |
|
|
2027 | --self->incr_nest; |
1742 | break; |
2028 | break; |
1743 | |
2029 | |
1744 | case '#': |
2030 | case '#': |
1745 | self->incr_mode = INCR_M_C1; |
2031 | self->incr_mode = INCR_M_C1; |
1746 | goto incr_m_c; |
2032 | goto incr_m_c; |
… | |
… | |
1772 | i >= '0' && i <= '9' ? i - '0' |
2058 | i >= '0' && i <= '9' ? i - '0' |
1773 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
2059 | : i >= 'a' && i <= 'f' ? i - 'a' + 10 |
1774 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
2060 | : i >= 'A' && i <= 'F' ? i - 'A' + 10 |
1775 | : -1; |
2061 | : -1; |
1776 | |
2062 | |
1777 | json_stash = gv_stashpv ("JSON::XS" , 1); |
2063 | json_stash = gv_stashpv ("JSON::XS" , 1); |
1778 | json_boolean_stash = gv_stashpv ("JSON::XS::Boolean", 1); |
2064 | bool_stash = gv_stashpv ("Types::Serialiser::Boolean", 1); |
1779 | |
|
|
1780 | json_true = get_bool ("JSON::XS::true"); |
|
|
1781 | json_false = get_bool ("JSON::XS::false"); |
2065 | bool_false = get_bool ("Types::Serialiser::false"); |
|
|
2066 | bool_true = get_bool ("Types::Serialiser::true"); |
|
|
2067 | |
|
|
2068 | sv_json = newSVpv ("JSON", 0); |
|
|
2069 | SvREADONLY_on (sv_json); |
1782 | |
2070 | |
1783 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
2071 | CvNODEBUG_on (get_cv ("JSON::XS::incr_text", 0)); /* the debugger completely breaks lvalue subs */ |
1784 | } |
2072 | } |
1785 | |
2073 | |
1786 | PROTOTYPES: DISABLE |
2074 | PROTOTYPES: DISABLE |
1787 | |
2075 | |
1788 | void CLONE (...) |
2076 | void CLONE (...) |
1789 | CODE: |
2077 | CODE: |
|
|
2078 | // as long as these writes are atomic, the race should not matter |
|
|
2079 | // as existing threads either already use 0, or use the old value, |
|
|
2080 | // which is sitll correct for the initial thread. |
1790 | json_stash = 0; |
2081 | json_stash = 0; |
1791 | json_boolean_stash = 0; |
2082 | bool_stash = 0; |
|
|
2083 | bool_false = 0; |
|
|
2084 | bool_true = 0; |
1792 | |
2085 | |
1793 | void new (char *klass) |
2086 | void new (char *klass) |
1794 | PPCODE: |
2087 | PPCODE: |
1795 | { |
2088 | { |
1796 | SV *pv = NEWSV (0, sizeof (JSON)); |
2089 | SV *pv = NEWSV (0, sizeof (JSON)); |
1797 | SvPOK_only (pv); |
2090 | SvPOK_only (pv); |
1798 | json_init ((JSON *)SvPVX (pv)); |
2091 | json_init ((JSON *)SvPVX (pv)); |
1799 | XPUSHs (sv_2mortal (sv_bless ( |
2092 | XPUSHs (sv_2mortal (sv_bless ( |
1800 | newRV_noinc (pv), |
2093 | newRV_noinc (pv), |
1801 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
2094 | strEQ (klass, "JSON::XS") ? JSON_STASH : gv_stashpv (klass, 1) |
1802 | ))); |
2095 | ))); |
1803 | } |
2096 | } |
|
|
2097 | |
|
|
2098 | void boolean_values (JSON *self, SV *v_false = 0, SV *v_true = 0) |
|
|
2099 | PPCODE: |
|
|
2100 | self->v_false = newSVsv (v_false); |
|
|
2101 | self->v_true = newSVsv (v_true); |
|
|
2102 | XPUSHs (ST (0)); |
|
|
2103 | |
|
|
2104 | void get_boolean_values (JSON *self) |
|
|
2105 | PPCODE: |
|
|
2106 | if (self->v_false && self->v_true) |
|
|
2107 | { |
|
|
2108 | EXTEND (SP, 2); |
|
|
2109 | PUSHs (self->v_false); |
|
|
2110 | PUSHs (self->v_true); |
|
|
2111 | } |
1804 | |
2112 | |
1805 | void ascii (JSON *self, int enable = 1) |
2113 | void ascii (JSON *self, int enable = 1) |
1806 | ALIAS: |
2114 | ALIAS: |
1807 | ascii = F_ASCII |
2115 | ascii = F_ASCII |
1808 | latin1 = F_LATIN1 |
2116 | latin1 = F_LATIN1 |
… | |
… | |
1816 | shrink = F_SHRINK |
2124 | shrink = F_SHRINK |
1817 | allow_blessed = F_ALLOW_BLESSED |
2125 | allow_blessed = F_ALLOW_BLESSED |
1818 | convert_blessed = F_CONV_BLESSED |
2126 | convert_blessed = F_CONV_BLESSED |
1819 | relaxed = F_RELAXED |
2127 | relaxed = F_RELAXED |
1820 | allow_unknown = F_ALLOW_UNKNOWN |
2128 | allow_unknown = F_ALLOW_UNKNOWN |
|
|
2129 | allow_tags = F_ALLOW_TAGS |
1821 | PPCODE: |
2130 | PPCODE: |
1822 | { |
2131 | { |
1823 | if (enable) |
2132 | if (enable) |
1824 | self->flags |= ix; |
2133 | self->flags |= ix; |
1825 | else |
2134 | else |
… | |
… | |
1841 | get_shrink = F_SHRINK |
2150 | get_shrink = F_SHRINK |
1842 | get_allow_blessed = F_ALLOW_BLESSED |
2151 | get_allow_blessed = F_ALLOW_BLESSED |
1843 | get_convert_blessed = F_CONV_BLESSED |
2152 | get_convert_blessed = F_CONV_BLESSED |
1844 | get_relaxed = F_RELAXED |
2153 | get_relaxed = F_RELAXED |
1845 | get_allow_unknown = F_ALLOW_UNKNOWN |
2154 | get_allow_unknown = F_ALLOW_UNKNOWN |
|
|
2155 | get_allow_tags = F_ALLOW_TAGS |
1846 | PPCODE: |
2156 | PPCODE: |
1847 | XPUSHs (boolSV (self->flags & ix)); |
2157 | XPUSHs (boolSV (self->flags & ix)); |
1848 | |
2158 | |
1849 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
2159 | void max_depth (JSON *self, U32 max_depth = 0x80000000UL) |
1850 | PPCODE: |
2160 | PPCODE: |
… | |
… | |
1878 | } |
2188 | } |
1879 | |
2189 | |
1880 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
2190 | void filter_json_single_key_object (JSON *self, SV *key, SV *cb = &PL_sv_undef) |
1881 | PPCODE: |
2191 | PPCODE: |
1882 | { |
2192 | { |
1883 | if (!self->cb_sk_object) |
2193 | if (!self->cb_sk_object) |
1884 | self->cb_sk_object = newHV (); |
2194 | self->cb_sk_object = newHV (); |
1885 | |
2195 | |
1886 | if (SvOK (cb)) |
2196 | if (SvOK (cb)) |
1887 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
2197 | hv_store_ent (self->cb_sk_object, key, newSVsv (cb), 0); |
1888 | else |
2198 | else |
… | |
… | |
1899 | XPUSHs (ST (0)); |
2209 | XPUSHs (ST (0)); |
1900 | } |
2210 | } |
1901 | |
2211 | |
1902 | void encode (JSON *self, SV *scalar) |
2212 | void encode (JSON *self, SV *scalar) |
1903 | PPCODE: |
2213 | PPCODE: |
1904 | XPUSHs (encode_json (scalar, self)); |
2214 | PUTBACK; scalar = encode_json (scalar, self); SPAGAIN; |
|
|
2215 | XPUSHs (scalar); |
1905 | |
2216 | |
1906 | void decode (JSON *self, SV *jsonstr) |
2217 | void decode (JSON *self, SV *jsonstr) |
1907 | PPCODE: |
2218 | PPCODE: |
1908 | XPUSHs (decode_json (jsonstr, self, 0)); |
2219 | PUTBACK; jsonstr = decode_json (jsonstr, self, 0); SPAGAIN; |
|
|
2220 | XPUSHs (jsonstr); |
1909 | |
2221 | |
1910 | void decode_prefix (JSON *self, SV *jsonstr) |
2222 | void decode_prefix (JSON *self, SV *jsonstr) |
1911 | PPCODE: |
2223 | PPCODE: |
1912 | { |
2224 | { |
1913 | char *offset; |
2225 | SV *sv; |
|
|
2226 | STRLEN offset; |
|
|
2227 | PUTBACK; sv = decode_json (jsonstr, self, &offset); SPAGAIN; |
1914 | EXTEND (SP, 2); |
2228 | EXTEND (SP, 2); |
1915 | PUSHs (decode_json (jsonstr, self, &offset)); |
2229 | PUSHs (sv); |
1916 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, offset)))); |
2230 | PUSHs (sv_2mortal (newSVuv (ptr_to_index (jsonstr, SvPV_nolen (jsonstr) + offset)))); |
1917 | } |
2231 | } |
1918 | |
2232 | |
1919 | void incr_parse (JSON *self, SV *jsonstr = 0) |
2233 | void incr_parse (JSON *self, SV *jsonstr = 0) |
1920 | PPCODE: |
2234 | PPCODE: |
1921 | { |
2235 | { |
1922 | if (!self->incr_text) |
2236 | if (!self->incr_text) |
1923 | self->incr_text = newSVpvn ("", 0); |
2237 | self->incr_text = newSVpvn ("", 0); |
|
|
2238 | |
|
|
2239 | /* if utf8-ness doesn't match the decoder, need to upgrade/downgrade */ |
|
|
2240 | if (!DECODE_WANTS_OCTETS (self) == !SvUTF8 (self->incr_text)) |
|
|
2241 | if (DECODE_WANTS_OCTETS (self)) |
|
|
2242 | { |
|
|
2243 | if (self->incr_pos) |
|
|
2244 | self->incr_pos = utf8_length ((U8 *)SvPVX (self->incr_text), |
|
|
2245 | (U8 *)SvPVX (self->incr_text) + self->incr_pos); |
|
|
2246 | |
|
|
2247 | sv_utf8_downgrade (self->incr_text, 0); |
|
|
2248 | } |
|
|
2249 | else |
|
|
2250 | { |
|
|
2251 | sv_utf8_upgrade (self->incr_text); |
|
|
2252 | |
|
|
2253 | if (self->incr_pos) |
|
|
2254 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
2255 | - (U8 *)SvPVX (self->incr_text); |
|
|
2256 | } |
1924 | |
2257 | |
1925 | // append data, if any |
2258 | // append data, if any |
1926 | if (jsonstr) |
2259 | if (jsonstr) |
1927 | { |
2260 | { |
|
|
2261 | /* make sure both strings have same encoding */ |
|
|
2262 | if (SvUTF8 (jsonstr) != SvUTF8 (self->incr_text)) |
1928 | if (SvUTF8 (jsonstr)) |
2263 | if (SvUTF8 (jsonstr)) |
|
|
2264 | sv_utf8_downgrade (jsonstr, 0); |
1929 | { |
2265 | else |
1930 | if (!SvUTF8 (self->incr_text)) |
|
|
1931 | { |
|
|
1932 | /* utf-8-ness differs, need to upgrade */ |
|
|
1933 | sv_utf8_upgrade (self->incr_text); |
|
|
1934 | |
|
|
1935 | if (self->incr_pos) |
|
|
1936 | self->incr_pos = utf8_hop ((U8 *)SvPVX (self->incr_text), self->incr_pos) |
|
|
1937 | - (U8 *)SvPVX (self->incr_text); |
|
|
1938 | } |
|
|
1939 | } |
|
|
1940 | else if (SvUTF8 (self->incr_text)) |
|
|
1941 | sv_utf8_upgrade (jsonstr); |
2266 | sv_utf8_upgrade (jsonstr); |
1942 | |
2267 | |
|
|
2268 | /* and then just blindly append */ |
1943 | { |
2269 | { |
1944 | STRLEN len; |
2270 | STRLEN len; |
1945 | const char *str = SvPV (jsonstr, len); |
2271 | const char *str = SvPV (jsonstr, len); |
1946 | STRLEN cur = SvCUR (self->incr_text); |
2272 | STRLEN cur = SvCUR (self->incr_text); |
1947 | |
2273 | |
1948 | if (SvLEN (self->incr_text) <= cur + len) |
2274 | if (SvLEN (self->incr_text) - cur <= len) |
1949 | SvGROW (self->incr_text, cur + (len < (cur >> 2) ? cur >> 2 : len) + 1); |
2275 | json_sv_grow (self->incr_text, cur, len); |
1950 | |
2276 | |
1951 | Move (str, SvEND (self->incr_text), len, char); |
2277 | Move (str, SvEND (self->incr_text), len, char); |
1952 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
2278 | SvCUR_set (self->incr_text, SvCUR (self->incr_text) + len); |
1953 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
2279 | *SvEND (self->incr_text) = 0; // this should basically be a nop, too, but make sure it's there |
1954 | } |
2280 | } |
1955 | } |
2281 | } |
1956 | |
2282 | |
1957 | if (GIMME_V != G_VOID) |
2283 | if (GIMME_V != G_VOID) |
1958 | do |
2284 | do |
1959 | { |
2285 | { |
|
|
2286 | SV *sv; |
1960 | char *offset; |
2287 | STRLEN offset; |
1961 | |
2288 | |
1962 | if (!INCR_DONE (self)) |
2289 | if (!INCR_DONE (self)) |
1963 | { |
2290 | { |
1964 | incr_parse (self); |
2291 | incr_parse (self); |
1965 | |
2292 | |
1966 | if (self->incr_pos > self->max_size && self->max_size) |
2293 | if (self->incr_pos > self->max_size && self->max_size) |
1967 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
2294 | croak ("attempted decode of JSON text of %lu bytes size, but max_size is set to %lu", |
1968 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
2295 | (unsigned long)self->incr_pos, (unsigned long)self->max_size); |
1969 | |
2296 | |
1970 | if (!INCR_DONE (self)) |
2297 | if (!INCR_DONE (self)) |
|
|
2298 | { |
|
|
2299 | // as an optimisation, do not accumulate white space in the incr buffer |
|
|
2300 | if (self->incr_mode == INCR_M_WS && self->incr_pos) |
|
|
2301 | { |
|
|
2302 | self->incr_pos = 0; |
|
|
2303 | SvCUR_set (self->incr_text, 0); |
|
|
2304 | } |
|
|
2305 | |
1971 | break; |
2306 | break; |
|
|
2307 | } |
1972 | } |
2308 | } |
1973 | |
2309 | |
1974 | XPUSHs (decode_json (self->incr_text, self, &offset)); |
2310 | PUTBACK; sv = decode_json (self->incr_text, self, &offset); SPAGAIN; |
|
|
2311 | XPUSHs (sv); |
1975 | |
2312 | |
1976 | self->incr_pos -= offset - SvPVX (self->incr_text); |
2313 | self->incr_pos -= offset; |
1977 | self->incr_nest = 0; |
2314 | self->incr_nest = 0; |
1978 | self->incr_mode = 0; |
2315 | self->incr_mode = 0; |
1979 | |
2316 | |
1980 | sv_chop (self->incr_text, offset); |
2317 | sv_chop (self->incr_text, SvPVX (self->incr_text) + offset); |
1981 | } |
2318 | } |
1982 | while (GIMME_V == G_ARRAY); |
2319 | while (GIMME_V == G_ARRAY); |
1983 | } |
2320 | } |
1984 | |
2321 | |
1985 | SV *incr_text (JSON *self) |
2322 | SV *incr_text (JSON *self) |
… | |
… | |
2016 | self->incr_mode = 0; |
2353 | self->incr_mode = 0; |
2017 | } |
2354 | } |
2018 | |
2355 | |
2019 | void DESTROY (JSON *self) |
2356 | void DESTROY (JSON *self) |
2020 | CODE: |
2357 | CODE: |
|
|
2358 | SvREFCNT_dec (self->v_false); |
|
|
2359 | SvREFCNT_dec (self->v_true); |
2021 | SvREFCNT_dec (self->cb_sk_object); |
2360 | SvREFCNT_dec (self->cb_sk_object); |
2022 | SvREFCNT_dec (self->cb_object); |
2361 | SvREFCNT_dec (self->cb_object); |
2023 | SvREFCNT_dec (self->incr_text); |
2362 | SvREFCNT_dec (self->incr_text); |
2024 | |
2363 | |
2025 | PROTOTYPES: ENABLE |
2364 | PROTOTYPES: ENABLE |
2026 | |
2365 | |
2027 | void encode_json (SV *scalar) |
2366 | void encode_json (SV *scalar) |
2028 | ALIAS: |
|
|
2029 | to_json_ = 0 |
|
|
2030 | encode_json = F_UTF8 |
|
|
2031 | PPCODE: |
2367 | PPCODE: |
2032 | { |
2368 | { |
2033 | JSON json; |
2369 | JSON json; |
2034 | json_init (&json); |
2370 | json_init (&json); |
2035 | json.flags |= ix; |
2371 | json.flags |= F_UTF8; |
2036 | XPUSHs (encode_json (scalar, &json)); |
2372 | PUTBACK; scalar = encode_json (scalar, &json); SPAGAIN; |
|
|
2373 | XPUSHs (scalar); |
2037 | } |
2374 | } |
2038 | |
2375 | |
2039 | void decode_json (SV *jsonstr) |
2376 | void decode_json (SV *jsonstr) |
2040 | ALIAS: |
|
|
2041 | from_json_ = 0 |
|
|
2042 | decode_json = F_UTF8 |
|
|
2043 | PPCODE: |
2377 | PPCODE: |
2044 | { |
2378 | { |
2045 | JSON json; |
2379 | JSON json; |
2046 | json_init (&json); |
2380 | json_init (&json); |
2047 | json.flags |= ix; |
2381 | json.flags |= F_UTF8; |
2048 | XPUSHs (decode_json (jsonstr, &json, 0)); |
2382 | PUTBACK; jsonstr = decode_json (jsonstr, &json, 0); SPAGAIN; |
|
|
2383 | XPUSHs (jsonstr); |
2049 | } |
2384 | } |
2050 | |
2385 | |