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Comparing JSON-XS/XS.xs (file contents):
Revision 1.4 by root, Thu Mar 22 21:13:58 2007 UTC vs.
Revision 1.25 by root, Fri Apr 6 20:37:22 2007 UTC

… …
4 4
5#include "assert.h" 5#include "assert.h"
6#include "string.h" 6#include "string.h"
7#include "stdlib.h" 7#include "stdlib.h"
8 8
9#define F_ASCII 0x00000001 9#define F_ASCII 0x00000001UL
10#define F_UTF8 0x00000002 10#define F_UTF8 0x00000002UL
11#define F_INDENT 0x00000004 11#define F_INDENT 0x00000004UL
12#define F_CANONICAL 0x00000008 12#define F_CANONICAL 0x00000008UL
13#define F_SPACE_BEFORE 0x00000010 13#define F_SPACE_BEFORE 0x00000010UL
14#define F_SPACE_AFTER 0x00000020 14#define F_SPACE_AFTER 0x00000020UL
15#define F_JSON_RPC 0x00000040
16#define F_ALLOW_NONREF 0x00000080 15#define F_ALLOW_NONREF 0x00000080UL
16#define F_SHRINK 0x00000100UL
17#define F_MAXDEPTH 0xf8000000UL
18#define S_MAXDEPTH 27
19
20#define DEC_DEPTH(flags) (1UL << ((flags & F_MAXDEPTH) >> S_MAXDEPTH))
21
22// F_SELFCONVERT? <=> to_json/toJson
23// F_BLESSED? <=> { $__class__$ => }
17 24
18#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER 25#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER
19#define F_DEFAULT 0 26#define F_DEFAULT (9UL << S_MAXDEPTH)
20 27
21#define INIT_SIZE 32 // initial scalar size to be allocated 28#define INIT_SIZE 32 // initial scalar size to be allocated
29#define INDENT_STEP 3 // spaces per indentation level
30
31#define UTF8_MAX_LEN 11 // for perls UTF-X: max. number of octets per character
32#define SHORT_STRING_LEN 512 // special-case strings of up to this size
22 33
23#define SB do { 34#define SB do {
24#define SE } while (0) 35#define SE } while (0)
25 36
26static HV *json_stash; 37static HV *json_stash; // JSON::XS::
38
39/////////////////////////////////////////////////////////////////////////////
40// utility functions
41
42static UV *
43SvJSON (SV *sv)
44{
45 if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
46 croak ("object is not of type JSON::XS");
47
48 return &SvUVX (SvRV (sv));
49}
50
51static void
52shrink (SV *sv)
53{
54 sv_utf8_downgrade (sv, 1);
55 if (SvLEN (sv) > SvCUR (sv) + 1)
56 {
57#ifdef SvPV_shrink_to_cur
58 SvPV_shrink_to_cur (sv);
59#elif defined (SvPV_renew)
60 SvPV_renew (sv, SvCUR (sv) + 1);
61#endif
62 }
63}
64
65// decode an utf-8 character and return it, or (UV)-1 in
66// case of an error.
67// we special-case "safe" characters from U+80 .. U+7FF,
68// but use the very good perl function to parse anything else.
69// note that we never call this function for a ascii codepoints
70static UV
71decode_utf8 (unsigned char *s, STRLEN len, STRLEN *clen)
72{
73 if (s[0] > 0xdf || s[0] < 0xc2)
74 return utf8n_to_uvuni (s, len, clen, UTF8_CHECK_ONLY);
75 else if (len > 1 && s[1] >= 0x80 && s[1] <= 0xbf)
76 {
77 *clen = 2;
78 return ((s[0] & 0x1f) << 6) | (s[1] & 0x3f);
79 }
80 else
81 {
82 *clen = (STRLEN)-1;
83 return (UV)-1;
84 }
85}
86
87/////////////////////////////////////////////////////////////////////////////
88// encoder
27 89
28// structure used for encoding JSON 90// structure used for encoding JSON
29typedef struct 91typedef struct
30{ 92{
31 char *cur; 93 char *cur; // SvPVX (sv) + current output position
32 STRLEN len; // SvLEN (sv)
33 char *end; // SvEND (sv) 94 char *end; // SvEND (sv)
34 SV *sv; 95 SV *sv; // result scalar
35 UV flags; 96 U32 flags; // F_*
36 int max_recurse; 97 U32 indent; // indentation level
37 int indent; 98 U32 maxdepth; // max. indentation/recursion level
38} enc_t; 99} enc_t;
39
40// structure used for decoding JSON
41typedef struct
42{
43 char *cur;
44 char *end;
45 const char *err;
46 UV flags;
47} dec_t;
48
49static UV *
50SvJSON (SV *sv)
51{
52 if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
53 croak ("object is not of type JSON::XS");
54
55 return &SvUVX (SvRV (sv));
56}
57
58/////////////////////////////////////////////////////////////////////////////
59 100
60static void 101static void
61need (enc_t *enc, STRLEN len) 102need (enc_t *enc, STRLEN len)
62{ 103{
63 if (enc->cur + len >= enc->end) 104 if (enc->cur + len >= enc->end)
… …
85 126
86 while (str < end) 127 while (str < end)
87 { 128 {
88 unsigned char ch = *(unsigned char *)str; 129 unsigned char ch = *(unsigned char *)str;
89 130
90 if (ch == '"') 131 if (ch >= 0x20 && ch < 0x80) // most common case
91 { 132 {
133 if (ch == '"') // but with slow exceptions
134 {
92 need (enc, len += 1); 135 need (enc, len += 1);
93 *enc->cur++ = '\\'; 136 *enc->cur++ = '\\';
94 *enc->cur++ = '"'; 137 *enc->cur++ = '"';
95 ++str;
96 } 138 }
97 else if (ch == '\\') 139 else if (ch == '\\')
98 { 140 {
99 need (enc, len += 1); 141 need (enc, len += 1);
100 *enc->cur++ = '\\'; 142 *enc->cur++ = '\\';
101 *enc->cur++ = '\\'; 143 *enc->cur++ = '\\';
102 ++str;
103 } 144 }
104 else if (ch >= 0x20 && ch < 0x80) // most common case 145 else
105 {
106 *enc->cur++ = ch; 146 *enc->cur++ = ch;
107 ++str; 147
108 }
109 else if (ch == '\015')
110 {
111 need (enc, len += 1);
112 *enc->cur++ = '\\';
113 *enc->cur++ = 'r';
114 ++str;
115 }
116 else if (ch == '\012')
117 {
118 need (enc, len += 1);
119 *enc->cur++ = '\\';
120 *enc->cur++ = 'n';
121 ++str; 148 ++str;
122 } 149 }
123 else 150 else
124 { 151 {
125 STRLEN clen; 152 switch (ch)
126 UV uch;
127
128 if (is_utf8)
129 { 153 {
130 uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY); 154 case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break;
131 if (clen < 0) 155 case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break;
132 croak ("malformed UTF-8 character in string, cannot convert to JSON"); 156 case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break;
133 } 157 case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break;
134 else 158 case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break;
135 {
136 uch = ch;
137 clen = 1;
138 }
139 159
140 if (uch < 0x80 || enc->flags & F_ASCII) 160 default:
141 {
142 if (uch > 0xFFFFUL)
143 { 161 {
162 STRLEN clen;
163 UV uch;
164
165 if (is_utf8)
166 {
167 //uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY);
168 uch = decode_utf8 (str, end - str, &clen);
169 if (clen == (STRLEN)-1)
170 croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str);
171 }
172 else
173 {
174 uch = ch;
175 clen = 1;
176 }
177
178 if (uch > 0x10FFFFUL)
179 croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
180
181 if (uch < 0x80 || enc->flags & F_ASCII)
182 {
183 if (uch > 0xFFFFUL)
184 {
144 need (enc, len += 11); 185 need (enc, len += 11);
145 sprintf (enc->cur, "\\u%04x\\u%04x", 186 sprintf (enc->cur, "\\u%04x\\u%04x",
146 (uch - 0x10000) / 0x400 + 0xD800, 187 (int)((uch - 0x10000) / 0x400 + 0xD800),
147 (uch - 0x10000) % 0x400 + 0xDC00); 188 (int)((uch - 0x10000) % 0x400 + 0xDC00));
148 enc->cur += 12; 189 enc->cur += 12;
190 }
191 else
192 {
193 static char hexdigit [16] = "0123456789abcdef";
194 need (enc, len += 5);
195 *enc->cur++ = '\\';
196 *enc->cur++ = 'u';
197 *enc->cur++ = hexdigit [ uch >> 12 ];
198 *enc->cur++ = hexdigit [(uch >> 8) & 15];
199 *enc->cur++ = hexdigit [(uch >> 4) & 15];
200 *enc->cur++ = hexdigit [(uch >> 0) & 15];
201 }
202
203 str += clen;
204 }
205 else if (is_utf8)
206 {
207 need (enc, len += clen);
208 do
209 {
210 *enc->cur++ = *str++;
211 }
212 while (--clen);
213 }
214 else
215 {
216 need (enc, len += UTF8_MAX_LEN - 1); // never more than 11 bytes needed
217 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
218 ++str;
219 }
149 } 220 }
150 else
151 {
152 static char hexdigit [16] = "0123456789abcdef";
153 need (enc, len += 5);
154 *enc->cur++ = '\\';
155 *enc->cur++ = 'u';
156 *enc->cur++ = hexdigit [ uch >> 12 ];
157 *enc->cur++ = hexdigit [(uch >> 8) & 15];
158 *enc->cur++ = hexdigit [(uch >> 4) & 15];
159 *enc->cur++ = hexdigit [(uch >> 0) & 15];
160 }
161
162 str += clen;
163 }
164 else if (is_utf8)
165 {
166 need (enc, len += clen);
167 while (clen--)
168 *enc->cur++ = *str++;
169 }
170 else
171 {
172 need (enc, 10); // never more than 11 bytes needed
173 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
174 ++str;
175 } 221 }
176 } 222 }
177 223
178 --len; 224 --len;
179 } 225 }
180} 226}
181 227
182#define INDENT SB \ 228static void
229encode_indent (enc_t *enc)
230{
183 if (enc->flags & F_INDENT) \ 231 if (enc->flags & F_INDENT)
184 { \ 232 {
185 int i_; \ 233 int spaces = enc->indent * INDENT_STEP;
186 need (enc, enc->indent); \
187 for (i_ = enc->indent * 3; i_--; )\
188 encode_ch (enc, ' '); \
189 } \
190 SE
191 234
192#define SPACE SB need (enc, 1); encode_ch (enc, ' '); SE 235 need (enc, spaces);
193#define NL SB if (enc->flags & F_INDENT) { need (enc, 1); encode_ch (enc, '\n'); } SE 236 memset (enc->cur, ' ', spaces);
194#define COMMA SB \ 237 enc->cur += spaces;
238 }
239}
240
241static void
242encode_space (enc_t *enc)
243{
244 need (enc, 1);
195 encode_ch (enc, ','); \ 245 encode_ch (enc, ' ');
246}
247
248static void
249encode_nl (enc_t *enc)
250{
196 if (enc->flags & F_INDENT) \ 251 if (enc->flags & F_INDENT)
197 NL; \ 252 {
253 need (enc, 1);
254 encode_ch (enc, '\n');
255 }
256}
257
258static void
259encode_comma (enc_t *enc)
260{
261 encode_ch (enc, ',');
262
263 if (enc->flags & F_INDENT)
264 encode_nl (enc);
198 else if (enc->flags & F_SPACE_AFTER) \ 265 else if (enc->flags & F_SPACE_AFTER)
199 SPACE; \ 266 encode_space (enc);
200 SE 267}
201 268
202static void encode_sv (enc_t *enc, SV *sv); 269static void encode_sv (enc_t *enc, SV *sv);
203 270
204static void 271static void
205encode_av (enc_t *enc, AV *av) 272encode_av (enc_t *enc, AV *av)
206{ 273{
207 int i, len = av_len (av); 274 int i, len = av_len (av);
208 275
209 encode_ch (enc, '['); NL; 276 if (enc->indent >= enc->maxdepth)
277 croak ("data structure too deep (hit recursion limit)");
278
279 encode_ch (enc, '['); encode_nl (enc);
210 ++enc->indent; 280 ++enc->indent;
211 281
212 for (i = 0; i <= len; ++i) 282 for (i = 0; i <= len; ++i)
213 { 283 {
214 INDENT; 284 encode_indent (enc);
215 encode_sv (enc, *av_fetch (av, i, 0)); 285 encode_sv (enc, *av_fetch (av, i, 0));
216 286
217 if (i < len) 287 if (i < len)
218 COMMA; 288 encode_comma (enc);
219 } 289 }
220 290
221 NL; 291 encode_nl (enc);
222 292
223 --enc->indent; 293 --enc->indent;
224 INDENT; encode_ch (enc, ']'); 294 encode_indent (enc); encode_ch (enc, ']');
225} 295}
226 296
227static void 297static void
228encode_he (enc_t *enc, HE *he) 298encode_he (enc_t *enc, HE *he)
229{ 299{
… …
243 else 313 else
244 encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); 314 encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));
245 315
246 encode_ch (enc, '"'); 316 encode_ch (enc, '"');
247 317
248 if (enc->flags & F_SPACE_BEFORE) SPACE; 318 if (enc->flags & F_SPACE_BEFORE) encode_space (enc);
249 encode_ch (enc, ':'); 319 encode_ch (enc, ':');
250 if (enc->flags & F_SPACE_AFTER ) SPACE; 320 if (enc->flags & F_SPACE_AFTER ) encode_space (enc);
251 encode_sv (enc, HeVAL (he)); 321 encode_sv (enc, HeVAL (he));
252} 322}
253 323
254// compare hash entries, used when all keys are bytestrings 324// compare hash entries, used when all keys are bytestrings
255static int 325static int
… …
261 HE *b = *(HE **)b_; 331 HE *b = *(HE **)b_;
262 332
263 STRLEN la = HeKLEN (a); 333 STRLEN la = HeKLEN (a);
264 STRLEN lb = HeKLEN (b); 334 STRLEN lb = HeKLEN (b);
265 335
266 if (!(cmp == memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb))) 336 if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb)))
267 cmp = la < lb ? -1 : la == lb ? 0 : 1; 337 cmp = la - lb;
268 338
269 return cmp; 339 return cmp;
270} 340}
271 341
272// compare hash entries, used when some keys are sv's or utf-x 342// compare hash entries, used when some keys are sv's or utf-x
… …
279static void 349static void
280encode_hv (enc_t *enc, HV *hv) 350encode_hv (enc_t *enc, HV *hv)
281{ 351{
282 int count, i; 352 int count, i;
283 353
354 if (enc->indent >= enc->maxdepth)
355 croak ("data structure too deep (hit recursion limit)");
356
284 encode_ch (enc, '{'); NL; ++enc->indent; 357 encode_ch (enc, '{'); encode_nl (enc); ++enc->indent;
285 358
286 if ((count = hv_iterinit (hv))) 359 if ((count = hv_iterinit (hv)))
287 { 360 {
288 // for canonical output we have to sort by keys first 361 // for canonical output we have to sort by keys first
289 // actually, this is mostly due to the stupid so-called 362 // actually, this is mostly due to the stupid so-called
290 // security workaround added somewhere in 5.8.x. 363 // security workaround added somewhere in 5.8.x.
291 // that randomises hash orderings 364 // that randomises hash orderings
292 if (enc->flags & F_CANONICAL) 365 if (enc->flags & F_CANONICAL)
293 { 366 {
294 HE *he, *hes [count]; 367 HE *he, *hes [count]; // if your compiler dies here, you need to enable C99 mode
295 int fast = 1; 368 int fast = 1;
296 369
297 i = 0; 370 i = 0;
298 while ((he = hv_iternext (hv))) 371 while ((he = hv_iternext (hv)))
299 { 372 {
… …
306 379
307 if (fast) 380 if (fast)
308 qsort (hes, count, sizeof (HE *), he_cmp_fast); 381 qsort (hes, count, sizeof (HE *), he_cmp_fast);
309 else 382 else
310 { 383 {
311 // hack to disable "use bytes" 384 // hack to forcefully disable "use bytes"
312 COP *oldcop = PL_curcop, cop; 385 COP cop = *PL_curcop;
313 cop.op_private = 0; 386 cop.op_private = 0;
387
388 ENTER;
389 SAVETMPS;
390
391 SAVEVPTR (PL_curcop);
314 PL_curcop = &cop; 392 PL_curcop = &cop;
315 393
316 SAVETMPS;
317 qsort (hes, count, sizeof (HE *), he_cmp_slow); 394 qsort (hes, count, sizeof (HE *), he_cmp_slow);
395
318 FREETMPS; 396 FREETMPS;
319 397 LEAVE;
320 PL_curcop = oldcop;
321 } 398 }
322 399
323 for (i = 0; i < count; ++i) 400 for (i = 0; i < count; ++i)
324 { 401 {
325 INDENT; 402 encode_indent (enc);
326 encode_he (enc, hes [i]); 403 encode_he (enc, hes [i]);
327 404
328 if (i < count - 1) 405 if (i < count - 1)
329 COMMA; 406 encode_comma (enc);
330 } 407 }
331 408
332 NL; 409 encode_nl (enc);
333 } 410 }
334 else 411 else
335 { 412 {
336 SV *sv;
337 HE *he = hv_iternext (hv); 413 HE *he = hv_iternext (hv);
338 414
339 for (;;) 415 for (;;)
340 { 416 {
341 INDENT; 417 encode_indent (enc);
342 encode_he (enc, he); 418 encode_he (enc, he);
343 419
344 if (!(he = hv_iternext (hv))) 420 if (!(he = hv_iternext (hv)))
345 break; 421 break;
346 422
347 COMMA; 423 encode_comma (enc);
348 } 424 }
349 425
350 NL; 426 encode_nl (enc);
351 } 427 }
352 } 428 }
353 429
354 --enc->indent; INDENT; encode_ch (enc, '}'); 430 --enc->indent; encode_indent (enc); encode_ch (enc, '}');
431}
432
433// encode objects, arrays and special \0=false and \1=true values.
434static void
435encode_rv (enc_t *enc, SV *sv)
436{
437 svtype svt;
438
439 SvGETMAGIC (sv);
440 svt = SvTYPE (sv);
441
442 if (svt == SVt_PVHV)
443 encode_hv (enc, (HV *)sv);
444 else if (svt == SVt_PVAV)
445 encode_av (enc, (AV *)sv);
446 else if (svt < SVt_PVAV)
447 {
448 if (SvNIOK (sv) && SvIV (sv) == 0)
449 encode_str (enc, "false", 5, 0);
450 else if (SvNIOK (sv) && SvIV (sv) == 1)
451 encode_str (enc, "true", 4, 0);
452 else
453 croak ("cannot encode reference to scalar '%s' unless the scalar is 0 or 1",
454 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
455 }
456 else
457 croak ("encountered %s, but JSON can only represent references to arrays or hashes",
458 SvPV_nolen (sv_2mortal (newRV_inc (sv))));
355} 459}
356 460
357static void 461static void
358encode_sv (enc_t *enc, SV *sv) 462encode_sv (enc_t *enc, SV *sv)
359{ 463{
… …
380 SvIsUV(sv) 484 SvIsUV(sv)
381 ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv)) 485 ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv))
382 : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv)); 486 : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv));
383 } 487 }
384 else if (SvROK (sv)) 488 else if (SvROK (sv))
385 { 489 encode_rv (enc, SvRV (sv));
386 if (!--enc->max_recurse)
387 croak ("data structure too deep (hit recursion limit)");
388
389 sv = SvRV (sv);
390
391 switch (SvTYPE (sv))
392 {
393 case SVt_PVAV: encode_av (enc, (AV *)sv); break;
394 case SVt_PVHV: encode_hv (enc, (HV *)sv); break;
395
396 default:
397 croak ("JSON can only represent references to arrays or hashes");
398 }
399 }
400 else if (!SvOK (sv)) 490 else if (!SvOK (sv))
401 encode_str (enc, "null", 4, 0); 491 encode_str (enc, "null", 4, 0);
402 else 492 else
403 croak ("encountered perl type that JSON cannot handle"); 493 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",
494 SvPV_nolen (sv), SvFLAGS (sv));
404} 495}
405 496
406static SV * 497static SV *
407encode_json (SV *scalar, UV flags) 498encode_json (SV *scalar, U32 flags)
408{ 499{
500 enc_t enc;
501
409 if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar)) 502 if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))
410 croak ("hash- or arraref required (not a simple scalar, use allow_nonref to allow this)"); 503 croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
411 504
412 enc_t enc;
413 enc.flags = flags; 505 enc.flags = flags;
414 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 506 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
415 enc.cur = SvPVX (enc.sv); 507 enc.cur = SvPVX (enc.sv);
416 enc.end = SvEND (enc.sv); 508 enc.end = SvEND (enc.sv);
417 enc.max_recurse = 0;
418 enc.indent = 0; 509 enc.indent = 0;
510 enc.maxdepth = DEC_DEPTH (flags);
419 511
420 SvPOK_only (enc.sv); 512 SvPOK_only (enc.sv);
421 encode_sv (&enc, scalar); 513 encode_sv (&enc, scalar);
422 514
423 if (!(flags & (F_ASCII | F_UTF8))) 515 if (!(flags & (F_ASCII | F_UTF8)))
424 SvUTF8_on (enc.sv); 516 SvUTF8_on (enc.sv);
425 517
426 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); 518 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
519
520 if (enc.flags & F_SHRINK)
521 shrink (enc.sv);
522
427 return enc.sv; 523 return enc.sv;
428} 524}
429 525
430///////////////////////////////////////////////////////////////////////////// 526/////////////////////////////////////////////////////////////////////////////
527// decoder
431 528
432#define WS \ 529// structure used for decoding JSON
530typedef struct
531{
532 char *cur; // current parser pointer
533 char *end; // end of input string
534 const char *err; // parse error, if != 0
535 U32 flags; // F_*
536 U32 depth; // recursion depth
537 U32 maxdepth; // recursion depth limit
538} dec_t;
539
540static void
541decode_ws (dec_t *dec)
542{
433 for (;;) \ 543 for (;;)
434 { \ 544 {
435 char ch = *dec->cur; \ 545 char ch = *dec->cur;
546
436 if (ch > 0x20 \ 547 if (ch > 0x20
437 || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) \ 548 || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09))
438 break; \ 549 break;
550
439 ++dec->cur; \ 551 ++dec->cur;
440 } 552 }
553}
441 554
442#define ERR(reason) SB dec->err = reason; goto fail; SE 555#define ERR(reason) SB dec->err = reason; goto fail; SE
556
443#define EXPECT_CH(ch) SB \ 557#define EXPECT_CH(ch) SB \
444 if (*dec->cur != ch) \ 558 if (*dec->cur != ch) \
445 ERR (# ch " expected"); \ 559 ERR (# ch " expected"); \
446 ++dec->cur; \ 560 ++dec->cur; \
447 SE 561 SE
448 562
563#define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)")
564#define DEC_DEC_DEPTH --dec->depth
565
449static SV *decode_sv (dec_t *dec); 566static SV *decode_sv (dec_t *dec);
450 567
451static signed char decode_hexdigit[256]; 568static signed char decode_hexdigit[256];
452 569
453static UV 570static UV
454decode_4hex (dec_t *dec) 571decode_4hex (dec_t *dec)
455{ 572{
456 signed char d1, d2, d3, d4; 573 signed char d1, d2, d3, d4;
574 unsigned char *cur = (unsigned char *)dec->cur;
457 575
458 d1 = decode_hexdigit [((unsigned char *)dec->cur) [0]];
459 if (d1 < 0) ERR ("four hexadecimal digits expected"); 576 d1 = decode_hexdigit [cur [0]]; if (d1 < 0) ERR ("four hexadecimal digits expected");
460 d2 = decode_hexdigit [((unsigned char *)dec->cur) [1]];
461 if (d2 < 0) ERR ("four hexadecimal digits expected"); 577 d2 = decode_hexdigit [cur [1]]; if (d2 < 0) ERR ("four hexadecimal digits expected");
462 d3 = decode_hexdigit [((unsigned char *)dec->cur) [2]];
463 if (d3 < 0) ERR ("four hexadecimal digits expected"); 578 d3 = decode_hexdigit [cur [2]]; if (d3 < 0) ERR ("four hexadecimal digits expected");
464 d4 = decode_hexdigit [((unsigned char *)dec->cur) [3]];
465 if (d4 < 0) ERR ("four hexadecimal digits expected"); 579 d4 = decode_hexdigit [cur [3]]; if (d4 < 0) ERR ("four hexadecimal digits expected");
466 580
467 dec->cur += 4; 581 dec->cur += 4;
468 582
469 return ((UV)d1) << 12 583 return ((UV)d1) << 12
470 | ((UV)d2) << 8 584 | ((UV)d2) << 8
… …
473 587
474fail: 588fail:
475 return (UV)-1; 589 return (UV)-1;
476} 590}
477 591
478#define APPEND_GROW(n) SB \
479 if (cur + (n) >= end) \
480 { \
481 STRLEN ofs = cur - SvPVX (sv); \
482 SvGROW (sv, ofs + (n) + 1); \
483 cur = SvPVX (sv) + ofs; \
484 end = SvEND (sv); \
485 } \
486 SE
487
488#define APPEND_CH(ch) SB \
489 APPEND_GROW (1); \
490 *cur++ = (ch); \
491 SE
492
493static SV * 592static SV *
494decode_str (dec_t *dec) 593decode_str (dec_t *dec)
495{ 594{
496 SV *sv = NEWSV (0,2); 595 SV *sv = 0;
497 int utf8 = 0; 596 int utf8 = 0;
498 char *cur = SvPVX (sv);
499 char *end = SvEND (sv);
500 597
501 for (;;) 598 do
502 { 599 {
503 unsigned char ch = *(unsigned char *)dec->cur; 600 char buf [SHORT_STRING_LEN + UTF8_MAX_LEN];
601 char *cur = buf;
504 602
505 if (ch == '"') 603 do
506 break;
507 else if (ch == '\\')
508 { 604 {
509 switch (*++dec->cur) 605 unsigned char ch = *(unsigned char *)dec->cur++;
606
607 if (ch == '"')
510 { 608 {
511 case '\\': 609 --dec->cur;
512 case '/': 610 break;
513 case '"': APPEND_CH (*dec->cur++); break; 611 }
514 612 else if (ch == '\\')
515 case 'b': APPEND_CH ('\010'); ++dec->cur; break; 613 {
516 case 't': APPEND_CH ('\011'); ++dec->cur; break; 614 switch (*dec->cur)
517 case 'n': APPEND_CH ('\012'); ++dec->cur; break;
518 case 'f': APPEND_CH ('\014'); ++dec->cur; break;
519 case 'r': APPEND_CH ('\015'); ++dec->cur; break;
520
521 case 'u':
522 { 615 {
523 UV lo, hi; 616 case '\\':
524 ++dec->cur; 617 case '/':
618 case '"': *cur++ = *dec->cur++; break;
525 619
526 hi = decode_4hex (dec); 620 case 'b': ++dec->cur; *cur++ = '\010'; break;
527 if (hi == (UV)-1) 621 case 't': ++dec->cur; *cur++ = '\011'; break;
528 goto fail; 622 case 'n': ++dec->cur; *cur++ = '\012'; break;
623 case 'f': ++dec->cur; *cur++ = '\014'; break;
624 case 'r': ++dec->cur; *cur++ = '\015'; break;
529 625
530 // possibly a surrogate pair 626 case 'u':
531 if (hi >= 0xd800 && hi < 0xdc00)
532 { 627 {
533 if (dec->cur [0] != '\\' || dec->cur [1] != 'u') 628 UV lo, hi;
534 ERR ("illegal surrogate character");
535
536 dec->cur += 2; 629 ++dec->cur;
537 630
538 lo = decode_4hex (dec); 631 hi = decode_4hex (dec);
539 if (lo == (UV)-1) 632 if (hi == (UV)-1)
540 goto fail; 633 goto fail;
541 634
635 // possibly a surrogate pair
636 if (hi >= 0xd800)
637 if (hi < 0xdc00)
638 {
639 if (dec->cur [0] != '\\' || dec->cur [1] != 'u')
640 ERR ("missing low surrogate character in surrogate pair");
641
642 dec->cur += 2;
643
644 lo = decode_4hex (dec);
645 if (lo == (UV)-1)
646 goto fail;
647
542 if (lo < 0xdc00 || lo >= 0xe000) 648 if (lo < 0xdc00 || lo >= 0xe000)
543 ERR ("surrogate pair expected"); 649 ERR ("surrogate pair expected");
544 650
545 hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000; 651 hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000;
652 }
653 else if (hi < 0xe000)
654 ERR ("missing high surrogate character in surrogate pair");
655
656 if (hi >= 0x80)
657 {
658 utf8 = 1;
659
660 cur = (char *)uvuni_to_utf8_flags (cur, hi, 0);
661 }
662 else
663 *cur++ = hi;
546 } 664 }
547 else if (lo >= 0xdc00 && lo < 0xe000)
548 ERR ("illegal surrogate character");
549
550 if (hi >= 0x80)
551 { 665 break;
552 utf8 = 1;
553 666
554 APPEND_GROW (4); // at most 4 bytes for 21 bits
555 cur = (char *)uvuni_to_utf8_flags (cur, hi, 0);
556 }
557 else 667 default:
558 APPEND_CH (hi); 668 --dec->cur;
669 ERR ("illegal backslash escape sequence in string");
559 } 670 }
671 }
672 else if (ch >= 0x20 && ch <= 0x7f)
673 *cur++ = ch;
674 else if (ch >= 0x80)
675 {
676 STRLEN clen;
677 UV uch;
678
679 --dec->cur;
680
681 uch = decode_utf8 (dec->cur, dec->end - dec->cur, &clen);
682 if (clen == (STRLEN)-1)
683 ERR ("malformed UTF-8 character in JSON string");
684
685 do
686 *cur++ = *dec->cur++;
687 while (--clen);
688
689 utf8 = 1;
690 }
691 else
692 {
693 --dec->cur;
694
695 if (!ch)
696 ERR ("unexpected end of string while parsing JSON string");
560 break; 697 else
698 ERR ("invalid character encountered while parsing JSON string");
561 } 699 }
562 } 700 }
563 else if (ch >= 0x20 && ch <= 0x7f) 701 while (cur < buf + SHORT_STRING_LEN);
564 APPEND_CH (*dec->cur++); 702
565 else if (ch >= 0x80) 703 {
704 STRLEN len = cur - buf;
705
706 if (sv)
566 { 707 {
567 STRLEN clen; 708 SvGROW (sv, SvCUR (sv) + len + 1);
568 UV uch = utf8n_to_uvuni (dec->cur, dec->end - dec->cur, &clen, UTF8_CHECK_ONLY); 709 memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
569 if (clen < 0) 710 SvCUR_set (sv, SvCUR (sv) + len);
570 ERR ("malformed UTF-8 character in string, cannot convert to JSON");
571
572 APPEND_GROW (clen);
573 memcpy (cur, dec->cur, clen);
574 cur += clen;
575 dec->cur += clen;
576 } 711 }
577 else 712 else
578 ERR ("invalid character encountered"); 713 sv = newSVpvn (buf, len);
579 } 714 }
715 }
716 while (*dec->cur != '"');
580 717
581 ++dec->cur; 718 ++dec->cur;
582 719
583 SvCUR_set (sv, cur - SvPVX (sv)); 720 if (sv)
584 721 {
585 SvPOK_only (sv); 722 SvPOK_only (sv);
586 *SvEND (sv) = 0; 723 *SvEND (sv) = 0;
587 724
588 if (utf8) 725 if (utf8)
589 SvUTF8_on (sv); 726 SvUTF8_on (sv);
727 }
728 else
729 sv = newSVpvn ("", 0);
590 730
591 return sv; 731 return sv;
592 732
593fail: 733fail:
594 SvREFCNT_dec (sv);
595 return 0; 734 return 0;
596} 735}
597 736
598static SV * 737static SV *
599decode_num (dec_t *dec) 738decode_num (dec_t *dec)
… …
609 { 748 {
610 ++dec->cur; 749 ++dec->cur;
611 if (*dec->cur >= '0' && *dec->cur <= '9') 750 if (*dec->cur >= '0' && *dec->cur <= '9')
612 ERR ("malformed number (leading zero must not be followed by another digit)"); 751 ERR ("malformed number (leading zero must not be followed by another digit)");
613 } 752 }
614 753 else if (*dec->cur < '0' || *dec->cur > '9')
615 // int 754 ERR ("malformed number (no digits after initial minus)");
755 else
756 do
757 {
758 ++dec->cur;
759 }
616 while (*dec->cur >= '0' && *dec->cur <= '9') 760 while (*dec->cur >= '0' && *dec->cur <= '9');
617 ++dec->cur;
618 761
619 // [frac] 762 // [frac]
620 if (*dec->cur == '.') 763 if (*dec->cur == '.')
621 { 764 {
622 is_nv = 1; 765 ++dec->cur;
766
767 if (*dec->cur < '0' || *dec->cur > '9')
768 ERR ("malformed number (no digits after decimal point)");
623 769
624 do 770 do
625 { 771 {
626 ++dec->cur; 772 ++dec->cur;
627 } 773 }
628 while (*dec->cur >= '0' && *dec->cur <= '9'); 774 while (*dec->cur >= '0' && *dec->cur <= '9');
775
776 is_nv = 1;
629 } 777 }
630 778
631 // [exp] 779 // [exp]
632 if (*dec->cur == 'e' || *dec->cur == 'E') 780 if (*dec->cur == 'e' || *dec->cur == 'E')
633 { 781 {
634 is_nv = 1;
635
636 ++dec->cur; 782 ++dec->cur;
783
637 if (*dec->cur == '-' || *dec->cur == '+') 784 if (*dec->cur == '-' || *dec->cur == '+')
638 ++dec->cur; 785 ++dec->cur;
639 786
787 if (*dec->cur < '0' || *dec->cur > '9')
788 ERR ("malformed number (no digits after exp sign)");
789
790 do
791 {
792 ++dec->cur;
793 }
640 while (*dec->cur >= '0' && *dec->cur <= '9') 794 while (*dec->cur >= '0' && *dec->cur <= '9');
641 ++dec->cur; 795
796 is_nv = 1;
642 } 797 }
643 798
644 if (!is_nv) 799 if (!is_nv)
645 { 800 {
646 UV uv; 801 UV uv;
… …
664static SV * 819static SV *
665decode_av (dec_t *dec) 820decode_av (dec_t *dec)
666{ 821{
667 AV *av = newAV (); 822 AV *av = newAV ();
668 823
824 DEC_INC_DEPTH;
825 decode_ws (dec);
826
827 if (*dec->cur == ']')
828 ++dec->cur;
829 else
669 for (;;) 830 for (;;)
670 { 831 {
671 SV *value; 832 SV *value;
672 833
673 value = decode_sv (dec); 834 value = decode_sv (dec);
674 if (!value) 835 if (!value)
675 goto fail; 836 goto fail;
676 837
677 av_push (av, value); 838 av_push (av, value);
678 839
679 WS; 840 decode_ws (dec);
680 841
681 if (*dec->cur == ']') 842 if (*dec->cur == ']')
682 { 843 {
683 ++dec->cur; 844 ++dec->cur;
684 break; 845 break;
846 }
685 } 847
686
687 if (*dec->cur != ',') 848 if (*dec->cur != ',')
688 ERR (", or ] expected while parsing array"); 849 ERR (", or ] expected while parsing array");
689 850
690 ++dec->cur; 851 ++dec->cur;
691 } 852 }
692 853
854 DEC_DEC_DEPTH;
693 return newRV_noinc ((SV *)av); 855 return newRV_noinc ((SV *)av);
694 856
695fail: 857fail:
696 SvREFCNT_dec (av); 858 SvREFCNT_dec (av);
859 DEC_DEC_DEPTH;
697 return 0; 860 return 0;
698} 861}
699 862
700static SV * 863static SV *
701decode_hv (dec_t *dec) 864decode_hv (dec_t *dec)
702{ 865{
703 HV *hv = newHV (); 866 HV *hv = newHV ();
704 867
868 DEC_INC_DEPTH;
869 decode_ws (dec);
870
871 if (*dec->cur == '}')
872 ++dec->cur;
873 else
705 for (;;) 874 for (;;)
706 { 875 {
707 SV *key, *value; 876 SV *key, *value;
708 877
709 WS; EXPECT_CH ('"'); 878 decode_ws (dec); EXPECT_CH ('"');
710 879
711 key = decode_str (dec); 880 key = decode_str (dec);
712 if (!key) 881 if (!key)
713 goto fail;
714
715 WS; EXPECT_CH (':');
716
717 value = decode_sv (dec);
718 if (!value)
719 {
720 SvREFCNT_dec (key);
721 goto fail; 882 goto fail;
883
884 decode_ws (dec); EXPECT_CH (':');
885
886 value = decode_sv (dec);
887 if (!value)
888 {
889 SvREFCNT_dec (key);
890 goto fail;
722 } 891 }
723 892
724 //TODO: optimise
725 hv_store_ent (hv, key, value, 0); 893 hv_store_ent (hv, key, value, 0);
894 SvREFCNT_dec (key);
726 895
727 WS; 896 decode_ws (dec);
728 897
729 if (*dec->cur == '}') 898 if (*dec->cur == '}')
730 { 899 {
731 ++dec->cur; 900 ++dec->cur;
732 break; 901 break;
733 } 902 }
734 903
735 if (*dec->cur != ',') 904 if (*dec->cur != ',')
736 ERR (", or } expected while parsing object/hash"); 905 ERR (", or } expected while parsing object/hash");
737 906
738 ++dec->cur; 907 ++dec->cur;
739 } 908 }
740 909
910 DEC_DEC_DEPTH;
741 return newRV_noinc ((SV *)hv); 911 return newRV_noinc ((SV *)hv);
742 912
743fail: 913fail:
744 SvREFCNT_dec (hv); 914 SvREFCNT_dec (hv);
915 DEC_DEC_DEPTH;
745 return 0; 916 return 0;
746} 917}
747 918
748static SV * 919static SV *
749decode_sv (dec_t *dec) 920decode_sv (dec_t *dec)
750{ 921{
751 WS; 922 decode_ws (dec);
752 switch (*dec->cur) 923 switch (*dec->cur)
753 { 924 {
754 case '"': ++dec->cur; return decode_str (dec); 925 case '"': ++dec->cur; return decode_str (dec);
755 case '[': ++dec->cur; return decode_av (dec); 926 case '[': ++dec->cur; return decode_av (dec);
756 case '{': ++dec->cur; return decode_hv (dec); 927 case '{': ++dec->cur; return decode_hv (dec);
… …
784 955
785 case 'n': 956 case 'n':
786 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) 957 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))
787 { 958 {
788 dec->cur += 4; 959 dec->cur += 4;
789 return newSViv (1); 960 return newSVsv (&PL_sv_undef);
790 } 961 }
791 else 962 else
792 ERR ("'null' expected"); 963 ERR ("'null' expected");
793 964
794 break; 965 break;
795 966
796 default: 967 default:
797 ERR ("malformed json string"); 968 ERR ("malformed JSON string, neither array, object, number, string or atom");
798 break; 969 break;
799 } 970 }
800 971
801fail: 972fail:
802 return 0; 973 return 0;
803} 974}
804 975
805static SV * 976static SV *
806decode_json (SV *string, UV flags) 977decode_json (SV *string, U32 flags)
807{ 978{
979 dec_t dec;
808 SV *sv; 980 SV *sv;
809 981
982 SvUPGRADE (string, SVt_PV);
983
810 if (!(flags & F_UTF8)) 984 if (flags & F_UTF8)
985 sv_utf8_downgrade (string, 0);
986 else
811 sv_utf8_upgrade (string); 987 sv_utf8_upgrade (string);
812 988
813 SvGROW (string, SvCUR (string) + 1); // should basically be a NOP 989 SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
814 990
815 dec_t dec;
816 dec.flags = flags; 991 dec.flags = flags;
817 dec.cur = SvPVX (string); 992 dec.cur = SvPVX (string);
818 dec.end = SvEND (string); 993 dec.end = SvEND (string);
819 dec.err = 0; 994 dec.err = 0;
995 dec.depth = 0;
996 dec.maxdepth = DEC_DEPTH (dec.flags);
820 997
821 *dec.end = 1; // invalid anywhere 998 *dec.end = 0; // this should basically be a nop, too, but make sure its there
822 sv = decode_sv (&dec); 999 sv = decode_sv (&dec);
823 *dec.end = 0;
824 1000
825 if (!sv) 1001 if (!sv)
826 { 1002 {
1003 IV offset = dec.flags & F_UTF8
1004 ? dec.cur - SvPVX (string)
827 IV offset = utf8_distance (dec.cur, SvPVX (string)); 1005 : utf8_distance (dec.cur, SvPVX (string));
828 SV *uni = sv_newmortal (); 1006 SV *uni = sv_newmortal ();
829 1007
1008 // horrible hack to silence warning inside pv_uni_display
1009 COP cop = *PL_curcop;
1010 cop.cop_warnings = pWARN_NONE;
1011 ENTER;
1012 SAVEVPTR (PL_curcop);
1013 PL_curcop = &cop;
830 pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); 1014 pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
1015 LEAVE;
1016
831 croak ("%s, at character %d (%s)", 1017 croak ("%s, at character offset %d [\"%s\"]",
832 dec.err, 1018 dec.err,
833 (int)offset, 1019 (int)offset,
834 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); 1020 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
835 } 1021 }
836 1022
837 sv = sv_2mortal (sv); 1023 sv = sv_2mortal (sv);
838 1024
839 if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv)) 1025 if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))
840 croak ("JSON object or array expected (but number, string, true, false or null found, use allow_nonref to allow this)"); 1026 croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
841 1027
842 return sv; 1028 return sv;
843} 1029}
844 1030
1031/////////////////////////////////////////////////////////////////////////////
1032// XS interface functions
1033
845MODULE = JSON::XS PACKAGE = JSON::XS 1034MODULE = JSON::XS PACKAGE = JSON::XS
846 1035
847BOOT: 1036BOOT:
848{ 1037{
849 int i; 1038 int i;
850 1039
851 memset (decode_hexdigit, 0xff, 256); 1040 memset (decode_hexdigit, 0xff, 256);
1041
852 for (i = 10; i--; ) 1042 for (i = 0; i < 256; ++i)
853 decode_hexdigit ['0' + i] = i; 1043 decode_hexdigit [i] =
854 1044 i >= '0' && i <= '9' ? i - '0'
855 for (i = 7; i--; ) 1045 : i >= 'a' && i <= 'f' ? i - 'a' + 10
856 { 1046 : i >= 'A' && i <= 'F' ? i - 'A' + 10
857 decode_hexdigit ['a' + i] = 10 + i; 1047 : -1;
858 decode_hexdigit ['A' + i] = 10 + i;
859 }
860 1048
861 json_stash = gv_stashpv ("JSON::XS", 1); 1049 json_stash = gv_stashpv ("JSON::XS", 1);
862} 1050}
863 1051
864PROTOTYPES: DISABLE 1052PROTOTYPES: DISABLE
… …
867 CODE: 1055 CODE:
868 RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash); 1056 RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);
869 OUTPUT: 1057 OUTPUT:
870 RETVAL 1058 RETVAL
871 1059
872SV *ascii (SV *self, int enable) 1060SV *ascii (SV *self, int enable = 1)
873 ALIAS: 1061 ALIAS:
874 ascii = F_ASCII 1062 ascii = F_ASCII
875 utf8 = F_UTF8 1063 utf8 = F_UTF8
876 indent = F_INDENT 1064 indent = F_INDENT
877 canonical = F_CANONICAL 1065 canonical = F_CANONICAL
878 space_before = F_SPACE_BEFORE 1066 space_before = F_SPACE_BEFORE
879 space_after = F_SPACE_AFTER 1067 space_after = F_SPACE_AFTER
880 json_rpc = F_JSON_RPC
881 pretty = F_PRETTY 1068 pretty = F_PRETTY
882 allow_nonref = F_ALLOW_NONREF 1069 allow_nonref = F_ALLOW_NONREF
1070 shrink = F_SHRINK
883 CODE: 1071 CODE:
884{ 1072{
885 UV *uv = SvJSON (self); 1073 UV *uv = SvJSON (self);
886 if (enable) 1074 if (enable)
887 *uv |= ix; 1075 *uv |= ix;
… …
891 RETVAL = newSVsv (self); 1079 RETVAL = newSVsv (self);
892} 1080}
893 OUTPUT: 1081 OUTPUT:
894 RETVAL 1082 RETVAL
895 1083
1084SV *max_depth (SV *self, UV max_depth = 0x80000000UL)
1085 CODE:
1086{
1087 UV *uv = SvJSON (self);
1088 UV log2 = 0;
1089
1090 if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
1091
1092 while ((1UL << log2) < max_depth)
1093 ++log2;
1094
1095 *uv = *uv & ~F_MAXDEPTH | (log2 << S_MAXDEPTH);
1096
1097 RETVAL = newSVsv (self);
1098}
1099 OUTPUT:
1100 RETVAL
1101
896void encode (SV *self, SV *scalar) 1102void encode (SV *self, SV *scalar)
897 PPCODE: 1103 PPCODE:
898 XPUSHs (encode_json (scalar, *SvJSON (self))); 1104 XPUSHs (encode_json (scalar, *SvJSON (self)));
899 1105
900void decode (SV *self, SV *jsonstr) 1106void decode (SV *self, SV *jsonstr)
… …
902 XPUSHs (decode_json (jsonstr, *SvJSON (self))); 1108 XPUSHs (decode_json (jsonstr, *SvJSON (self)));
903 1109
904PROTOTYPES: ENABLE 1110PROTOTYPES: ENABLE
905 1111
906void to_json (SV *scalar) 1112void to_json (SV *scalar)
1113 ALIAS:
1114 objToJson = 0
907 PPCODE: 1115 PPCODE:
908 XPUSHs (encode_json (scalar, F_UTF8)); 1116 XPUSHs (encode_json (scalar, F_DEFAULT | F_UTF8));
909 1117
910void from_json (SV *jsonstr) 1118void from_json (SV *jsonstr)
1119 ALIAS:
1120 jsonToObj = 0
911 PPCODE: 1121 PPCODE:
912 XPUSHs (decode_json (jsonstr, F_UTF8)); 1122 XPUSHs (decode_json (jsonstr, F_DEFAULT | F_UTF8));
913 1123

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