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Comparing JSON-XS/XS.xs (file contents):
Revision 1.2 by root, Thu Mar 22 17:28:50 2007 UTC vs.
Revision 1.19 by root, Sun Mar 25 21:52:47 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_ALLOW_NONREF 0x00000080UL
15#define F_JSON_RPC 0x00000040 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? <=> { $__class__$ => }
16 24
17#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER 25#define F_PRETTY F_INDENT | F_SPACE_BEFORE | F_SPACE_AFTER
18#define F_DEFAULT 0 26#define F_DEFAULT (13UL << S_MAXDEPTH)
19 27
20#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
21 33
22#define SB do { 34#define SB do {
23#define SE } while (0) 35#define SE } while (0)
24 36
25static 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 return (UV)-1;
82}
83
84/////////////////////////////////////////////////////////////////////////////
85// encoder
26 86
27// structure used for encoding JSON 87// structure used for encoding JSON
28typedef struct 88typedef struct
29{ 89{
30 char *cur; 90 char *cur; // SvPVX (sv) + current output position
31 STRLEN len; // SvLEN (sv)
32 char *end; // SvEND (sv) 91 char *end; // SvEND (sv)
33 SV *sv; 92 SV *sv; // result scalar
34 UV flags; 93 U32 flags; // F_*
35 int max_recurse; 94 U32 indent; // indentation level
36 int indent; 95 U32 maxdepth; // max. indentation/recursion level
37} enc_t; 96} enc_t;
38
39// structure used for decoding JSON
40typedef struct
41{
42 char *cur;
43 char *end;
44 char *err;
45 UV flags;
46} dec_t;
47
48static UV *
49SvJSON (SV *sv)
50{
51 if (!(SvROK (sv) && SvOBJECT (SvRV (sv)) && SvSTASH (SvRV (sv)) == json_stash))
52 croak ("object is not of type JSON::XS");
53
54 return &SvUVX (SvRV (sv));
55}
56
57/////////////////////////////////////////////////////////////////////////////
58 97
59static void 98static void
60need (enc_t *enc, STRLEN len) 99need (enc_t *enc, STRLEN len)
61{ 100{
62 if (enc->cur + len >= enc->end) 101 if (enc->cur + len >= enc->end)
63 { 102 {
64 STRLEN cur = enc->cur - SvPVX (enc->sv); 103 STRLEN cur = enc->cur - SvPVX (enc->sv);
65 SvGROW (enc->sv, cur + len + 1); 104 SvGROW (enc->sv, cur + len + 1);
66 enc->cur = SvPVX (enc->sv) + cur; 105 enc->cur = SvPVX (enc->sv) + cur;
67 enc->end = SvEND (enc->sv); 106 enc->end = SvPVX (enc->sv) + SvLEN (enc->sv);
68 } 107 }
69} 108}
70 109
71static void 110static void
72encode_ch (enc_t *enc, char ch) 111encode_ch (enc_t *enc, char ch)
… …
78static void 117static void
79encode_str (enc_t *enc, char *str, STRLEN len, int is_utf8) 118encode_str (enc_t *enc, char *str, STRLEN len, int is_utf8)
80{ 119{
81 char *end = str + len; 120 char *end = str + len;
82 121
122 need (enc, len);
123
83 while (str < end) 124 while (str < end)
84 { 125 {
85 unsigned char ch = *(unsigned char *)str; 126 unsigned char ch = *(unsigned char *)str;
127
86 if (ch >= 0x20 && ch < 0x80) // most common case 128 if (ch >= 0x20 && ch < 0x80) // most common case
87 { 129 {
130 if (ch == '"') // but with slow exceptions
131 {
132 need (enc, len += 1);
133 *enc->cur++ = '\\';
134 *enc->cur++ = '"';
135 }
136 else if (ch == '\\')
137 {
138 need (enc, len += 1);
139 *enc->cur++ = '\\';
140 *enc->cur++ = '\\';
141 }
142 else
88 *enc->cur++ = ch; 143 *enc->cur++ = ch;
144
89 str++; 145 ++str;
90 } 146 }
91 else 147 else
92 { 148 {
93 STRLEN clen; 149 switch (ch)
94 UV uch;
95
96 if (is_utf8)
97 { 150 {
98 uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY); 151 case '\010': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'b'; ++str; break;
99 if (clen < 0) 152 case '\011': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 't'; ++str; break;
100 croak ("malformed UTF-8 character in string, cannot convert to JSON"); 153 case '\012': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'n'; ++str; break;
101 } 154 case '\014': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'f'; ++str; break;
102 else 155 case '\015': need (enc, len += 1); *enc->cur++ = '\\'; *enc->cur++ = 'r'; ++str; break;
103 {
104 uch = ch;
105 clen = 1;
106 }
107 156
108 need (enc, len += 6); 157 default:
109
110 if (uch < 0xa0 || enc->flags & F_ASCII)
111 {
112 if (uch > 0xFFFFUL)
113 { 158 {
159 STRLEN clen;
160 UV uch;
161
162 if (is_utf8)
163 {
164 //uch = utf8n_to_uvuni (str, end - str, &clen, UTF8_CHECK_ONLY);
165 uch = decode_utf8 (str, end - str, &clen);
166 if (clen == (STRLEN)-1)
167 croak ("malformed or illegal unicode character in string [%.11s], cannot convert to JSON", str);
168 }
169 else
170 {
171 uch = ch;
114 len += 6; 172 clen = 1;
173 }
174
175 if (uch > 0x10FFFFUL)
176 croak ("out of range codepoint (0x%lx) encountered, unrepresentable in JSON", (unsigned long)uch);
177
178 if (uch < 0x80 || enc->flags & F_ASCII)
179 {
180 if (uch > 0xFFFFUL)
181 {
115 need (enc, len += 6); 182 need (enc, len += 11);
116 sprintf (enc->cur, "\\u%04x\\u%04x", 183 sprintf (enc->cur, "\\u%04x\\u%04x",
117 (uch - 0x10000) / 0x400 + 0xD800, 184 (int)((uch - 0x10000) / 0x400 + 0xD800),
118 (uch - 0x10000) % 0x400 + 0xDC00); 185 (int)((uch - 0x10000) % 0x400 + 0xDC00));
119 enc->cur += 12; 186 enc->cur += 12;
187 }
188 else
189 {
190 static char hexdigit [16] = "0123456789abcdef";
191 need (enc, len += 5);
192 *enc->cur++ = '\\';
193 *enc->cur++ = 'u';
194 *enc->cur++ = hexdigit [ uch >> 12 ];
195 *enc->cur++ = hexdigit [(uch >> 8) & 15];
196 *enc->cur++ = hexdigit [(uch >> 4) & 15];
197 *enc->cur++ = hexdigit [(uch >> 0) & 15];
198 }
199
200 str += clen;
120 } 201 }
202 else if (is_utf8)
203 {
204 need (enc, len += clen);
205 do
206 {
207 *enc->cur++ = *str++;
208 }
209 while (--clen);
210 }
121 else 211 else
122 { 212 {
123 sprintf (enc->cur, "\\u%04x", uch); 213 need (enc, len += UTF8_MAX_LEN - 1); // never more than 11 bytes needed
124 enc->cur += 6; 214 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
215 ++str;
216 }
125 } 217 }
126 } 218 }
127 else if (is_utf8)
128 {
129 memcpy (enc->cur, str, clen);
130 enc->cur += clen;
131 }
132 else
133 enc->cur = uvuni_to_utf8_flags (enc->cur, uch, 0);
134
135 str += clen;
136 } 219 }
137 220
138 --len; 221 --len;
139 } 222 }
140} 223}
141 224
142#define INDENT SB \ 225static void
226encode_indent (enc_t *enc)
227{
143 if (enc->flags & F_INDENT) \ 228 if (enc->flags & F_INDENT)
144 { \ 229 {
145 int i_; \ 230 int spaces = enc->indent * INDENT_STEP;
146 need (enc, enc->indent); \
147 for (i_ = enc->indent * 3; i_--; )\
148 encode_ch (enc, ' '); \
149 } \
150 SE
151 231
152#define SPACE SB need (enc, 1); encode_ch (enc, ' '); SE 232 need (enc, spaces);
153#define NL SB if (enc->flags & F_INDENT) { need (enc, 1); encode_ch (enc, '\n'); } SE 233 memset (enc->cur, ' ', spaces);
154#define COMMA SB \ 234 enc->cur += spaces;
235 }
236}
237
238static void
239encode_space (enc_t *enc)
240{
241 need (enc, 1);
155 encode_ch (enc, ','); \ 242 encode_ch (enc, ' ');
243}
244
245static void
246encode_nl (enc_t *enc)
247{
156 if (enc->flags & F_INDENT) \ 248 if (enc->flags & F_INDENT)
157 NL; \ 249 {
250 need (enc, 1);
251 encode_ch (enc, '\n');
252 }
253}
254
255static void
256encode_comma (enc_t *enc)
257{
258 encode_ch (enc, ',');
259
260 if (enc->flags & F_INDENT)
261 encode_nl (enc);
158 else if (enc->flags & F_SPACE_AFTER) \ 262 else if (enc->flags & F_SPACE_AFTER)
159 SPACE; \ 263 encode_space (enc);
160 SE 264}
161 265
162static void encode_sv (enc_t *enc, SV *sv); 266static void encode_sv (enc_t *enc, SV *sv);
163 267
164static void 268static void
165encode_av (enc_t *enc, AV *av) 269encode_av (enc_t *enc, AV *av)
166{ 270{
167 int i, len = av_len (av); 271 int i, len = av_len (av);
168 272
169 encode_ch (enc, '['); NL; 273 encode_ch (enc, '['); encode_nl (enc);
170 ++enc->indent; 274 ++enc->indent;
171 275
172 for (i = 0; i <= len; ++i) 276 for (i = 0; i <= len; ++i)
173 { 277 {
174 INDENT; 278 encode_indent (enc);
175 encode_sv (enc, *av_fetch (av, i, 0)); 279 encode_sv (enc, *av_fetch (av, i, 0));
176 280
177 if (i < len) 281 if (i < len)
178 COMMA; 282 encode_comma (enc);
179 } 283 }
180 284
181 NL; 285 encode_nl (enc);
182 286
183 --enc->indent; 287 --enc->indent;
184 INDENT; encode_ch (enc, ']'); 288 encode_indent (enc); encode_ch (enc, ']');
185} 289}
186 290
187static void 291static void
188encode_he (enc_t *enc, HE *he) 292encode_he (enc_t *enc, HE *he)
189{ 293{
… …
191 295
192 if (HeKLEN (he) == HEf_SVKEY) 296 if (HeKLEN (he) == HEf_SVKEY)
193 { 297 {
194 SV *sv = HeSVKEY (he); 298 SV *sv = HeSVKEY (he);
195 STRLEN len; 299 STRLEN len;
300 char *str;
301
302 SvGETMAGIC (sv);
196 char *str = SvPV (sv, len); 303 str = SvPV (sv, len);
197 304
198 encode_str (enc, str, len, SvUTF8 (sv)); 305 encode_str (enc, str, len, SvUTF8 (sv));
199 } 306 }
200 else 307 else
201 encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he)); 308 encode_str (enc, HeKEY (he), HeKLEN (he), HeKUTF8 (he));
202 309
203 encode_ch (enc, '"'); 310 encode_ch (enc, '"');
204 311
205 if (enc->flags & F_SPACE_BEFORE) SPACE; 312 if (enc->flags & F_SPACE_BEFORE) encode_space (enc);
206 encode_ch (enc, ':'); 313 encode_ch (enc, ':');
207 if (enc->flags & F_SPACE_AFTER ) SPACE; 314 if (enc->flags & F_SPACE_AFTER ) encode_space (enc);
208 encode_sv (enc, HeVAL (he)); 315 encode_sv (enc, HeVAL (he));
209} 316}
210 317
211// compare hash entries, used when all keys are bytestrings 318// compare hash entries, used when all keys are bytestrings
212static int 319static int
… …
218 HE *b = *(HE **)b_; 325 HE *b = *(HE **)b_;
219 326
220 STRLEN la = HeKLEN (a); 327 STRLEN la = HeKLEN (a);
221 STRLEN lb = HeKLEN (b); 328 STRLEN lb = HeKLEN (b);
222 329
223 if (!(cmp == memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb))) 330 if (!(cmp = memcmp (HeKEY (a), HeKEY (b), la < lb ? la : lb)))
224 cmp = la < lb ? -1 : la == lb ? 0 : 1; 331 cmp = la - lb;
225 332
226 return cmp; 333 return cmp;
227} 334}
228 335
229// compare hash entries, used when some keys are sv's or utf-x 336// compare hash entries, used when some keys are sv's or utf-x
… …
236static void 343static void
237encode_hv (enc_t *enc, HV *hv) 344encode_hv (enc_t *enc, HV *hv)
238{ 345{
239 int count, i; 346 int count, i;
240 347
241 encode_ch (enc, '{'); NL; ++enc->indent; 348 encode_ch (enc, '{'); encode_nl (enc); ++enc->indent;
242 349
243 if ((count = hv_iterinit (hv))) 350 if ((count = hv_iterinit (hv)))
244 { 351 {
245 // for canonical output we have to sort by keys first 352 // for canonical output we have to sort by keys first
246 // actually, this is mostly due to the stupid so-called 353 // actually, this is mostly due to the stupid so-called
247 // security workaround added somewhere in 5.8.x. 354 // security workaround added somewhere in 5.8.x.
248 // that randomises hash orderings 355 // that randomises hash orderings
249 if (enc->flags & F_CANONICAL) 356 if (enc->flags & F_CANONICAL)
250 { 357 {
251 HE *he, *hes [count]; 358 HE *he, *hes [count]; // if your compiler dies here, you need to enable C99 mode
252 int fast = 1; 359 int fast = 1;
253 360
254 i = 0; 361 i = 0;
255 while ((he = hv_iternext (hv))) 362 while ((he = hv_iternext (hv)))
256 { 363 {
… …
263 370
264 if (fast) 371 if (fast)
265 qsort (hes, count, sizeof (HE *), he_cmp_fast); 372 qsort (hes, count, sizeof (HE *), he_cmp_fast);
266 else 373 else
267 { 374 {
268 // hack to disable "use bytes" 375 // hack to forcefully disable "use bytes"
269 COP *oldcop = PL_curcop, cop; 376 COP cop = *PL_curcop;
270 cop.op_private = 0; 377 cop.op_private = 0;
378
379 ENTER;
380 SAVETMPS;
381
382 SAVEVPTR (PL_curcop);
271 PL_curcop = &cop; 383 PL_curcop = &cop;
272 384
273 SAVETMPS;
274 qsort (hes, count, sizeof (HE *), he_cmp_slow); 385 qsort (hes, count, sizeof (HE *), he_cmp_slow);
386
275 FREETMPS; 387 FREETMPS;
276 388 LEAVE;
277 PL_curcop = oldcop;
278 } 389 }
279 390
280 for (i = 0; i < count; ++i) 391 for (i = 0; i < count; ++i)
281 { 392 {
282 INDENT; 393 encode_indent (enc);
283 encode_he (enc, hes [i]); 394 encode_he (enc, hes [i]);
284 395
285 if (i < count - 1) 396 if (i < count - 1)
286 COMMA; 397 encode_comma (enc);
287 } 398 }
288 399
289 NL; 400 encode_nl (enc);
290 } 401 }
291 else 402 else
292 { 403 {
293 SV *sv; 404 SV *sv;
294 HE *he = hv_iternext (hv); 405 HE *he = hv_iternext (hv);
295 406
296 for (;;) 407 for (;;)
297 { 408 {
298 INDENT; 409 encode_indent (enc);
299 encode_he (enc, he); 410 encode_he (enc, he);
300 411
301 if (!(he = hv_iternext (hv))) 412 if (!(he = hv_iternext (hv)))
302 break; 413 break;
303 414
304 COMMA; 415 encode_comma (enc);
305 } 416 }
306 417
307 NL; 418 encode_nl (enc);
308 } 419 }
309 } 420 }
310 421
311 --enc->indent; INDENT; encode_ch (enc, '}'); 422 --enc->indent; encode_indent (enc); encode_ch (enc, '}');
312} 423}
313 424
314static void 425static void
315encode_sv (enc_t *enc, SV *sv) 426encode_sv (enc_t *enc, SV *sv)
316{ 427{
428 SvGETMAGIC (sv);
429
317 if (SvPOKp (sv)) 430 if (SvPOKp (sv))
318 { 431 {
319 STRLEN len; 432 STRLEN len;
320 char *str = SvPV (sv, len); 433 char *str = SvPV (sv, len);
321 encode_ch (enc, '"'); 434 encode_ch (enc, '"');
… …
336 ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv)) 449 ? snprintf (enc->cur, 64, "%"UVuf, (UV)SvUVX (sv))
337 : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv)); 450 : snprintf (enc->cur, 64, "%"IVdf, (IV)SvIVX (sv));
338 } 451 }
339 else if (SvROK (sv)) 452 else if (SvROK (sv))
340 { 453 {
341 if (!--enc->max_recurse) 454 SV *rv = SvRV (sv);
455
456 if (enc->indent >= enc->maxdepth)
342 croak ("data structure too deep (hit recursion limit)"); 457 croak ("data structure too deep (hit recursion limit)");
343 458
344 sv = SvRV (sv);
345
346 switch (SvTYPE (sv)) 459 switch (SvTYPE (rv))
347 { 460 {
348 case SVt_PVAV: encode_av (enc, (AV *)sv); break; 461 case SVt_PVAV: encode_av (enc, (AV *)rv); break;
349 case SVt_PVHV: encode_hv (enc, (HV *)sv); break; 462 case SVt_PVHV: encode_hv (enc, (HV *)rv); break;
350 463
351 default: 464 default:
352 croak ("JSON can only represent references to arrays or hashes"); 465 croak ("encountered %s, but JSON can only represent references to arrays or hashes",
466 SvPV_nolen (sv));
353 } 467 }
354 } 468 }
355 else if (!SvOK (sv)) 469 else if (!SvOK (sv))
356 encode_str (enc, "null", 4, 0); 470 encode_str (enc, "null", 4, 0);
357 else 471 else
358 croak ("encountered perl type that JSON cannot handle"); 472 croak ("encountered perl type (%s,0x%x) that JSON cannot handle, you might want to report this",
473 SvPV_nolen (sv), SvFLAGS (sv));
359} 474}
360 475
361static SV * 476static SV *
362encode_json (SV *scalar, UV flags) 477encode_json (SV *scalar, U32 flags)
363{ 478{
479 if (!(flags & F_ALLOW_NONREF) && !SvROK (scalar))
480 croak ("hash- or arrayref expected (not a simple scalar, use allow_nonref to allow this)");
481
364 enc_t enc; 482 enc_t enc;
365 enc.flags = flags; 483 enc.flags = flags;
366 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE)); 484 enc.sv = sv_2mortal (NEWSV (0, INIT_SIZE));
367 enc.cur = SvPVX (enc.sv); 485 enc.cur = SvPVX (enc.sv);
368 enc.end = SvEND (enc.sv); 486 enc.end = SvEND (enc.sv);
369 enc.max_recurse = 0;
370 enc.indent = 0; 487 enc.indent = 0;
488 enc.maxdepth = DEC_DEPTH (flags);
371 489
372 SvPOK_only (enc.sv); 490 SvPOK_only (enc.sv);
373 encode_sv (&enc, scalar); 491 encode_sv (&enc, scalar);
374 492
375 if (!(flags & (F_ASCII | F_UTF8))) 493 if (!(flags & (F_ASCII | F_UTF8)))
376 SvUTF8_on (enc.sv); 494 SvUTF8_on (enc.sv);
377 495
378 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv)); 496 SvCUR_set (enc.sv, enc.cur - SvPVX (enc.sv));
497
498 if (enc.flags & F_SHRINK)
499 shrink (enc.sv);
500
379 return enc.sv; 501 return enc.sv;
380} 502}
381 503
382///////////////////////////////////////////////////////////////////////////// 504/////////////////////////////////////////////////////////////////////////////
505// decoder
383 506
384#define WS \ 507// structure used for decoding JSON
508typedef struct
509{
510 char *cur; // current parser pointer
511 char *end; // end of input string
512 const char *err; // parse error, if != 0
513 U32 flags; // F_*
514 U32 depth; // recursion depth
515 U32 maxdepth; // recursion depth limit
516} dec_t;
517
518static void
519decode_ws (dec_t *dec)
520{
385 for (;;) \ 521 for (;;)
386 { \ 522 {
387 char ch = *dec->cur; \ 523 char ch = *dec->cur;
524
388 if (ch > 0x20 \ 525 if (ch > 0x20
389 || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09)) \ 526 || (ch != 0x20 && ch != 0x0a && ch != 0x0d && ch != 0x09))
390 break; \ 527 break;
528
391 ++dec->cur; \ 529 ++dec->cur;
392 } 530 }
531}
393 532
394#define ERR(reason) SB dec->err = reason; goto fail; SE 533#define ERR(reason) SB dec->err = reason; goto fail; SE
534
395#define EXPECT_CH(ch) SB \ 535#define EXPECT_CH(ch) SB \
396 if (*dec->cur != ch) \ 536 if (*dec->cur != ch) \
397 ERR (# ch " expected"); \ 537 ERR (# ch " expected"); \
398 ++dec->cur; \ 538 ++dec->cur; \
399 SE 539 SE
400 540
541#define DEC_INC_DEPTH if (++dec->depth > dec->maxdepth) ERR ("json datastructure exceeds maximum nesting level (set a higher max_depth)")
542#define DEC_DEC_DEPTH --dec->depth
543
401static SV *decode_sv (dec_t *dec); 544static SV *decode_sv (dec_t *dec);
402
403#define APPEND_CH(ch) SB \
404 SvGROW (sv, cur + 1 + 1); \
405 SvPVX (sv)[cur++] = (ch); \
406 SE
407 545
408static signed char decode_hexdigit[256]; 546static signed char decode_hexdigit[256];
409 547
410static UV 548static UV
411decode_4hex (dec_t *dec) 549decode_4hex (dec_t *dec)
412{ 550{
413 signed char d1, d2, d3, d4; 551 signed char d1, d2, d3, d4;
552 unsigned char *cur = (unsigned char *)dec->cur;
414 553
415 d1 = decode_hexdigit [((unsigned char *)dec->cur) [0]];
416 if (d1 < 0) ERR ("four hexadecimal digits expected"); 554 d1 = decode_hexdigit [cur [0]]; if (d1 < 0) ERR ("four hexadecimal digits expected");
417 d2 = decode_hexdigit [((unsigned char *)dec->cur) [1]];
418 if (d2 < 0) ERR ("four hexadecimal digits expected"); 555 d2 = decode_hexdigit [cur [1]]; if (d2 < 0) ERR ("four hexadecimal digits expected");
419 d3 = decode_hexdigit [((unsigned char *)dec->cur) [2]];
420 if (d3 < 0) ERR ("four hexadecimal digits expected"); 556 d3 = decode_hexdigit [cur [2]]; if (d3 < 0) ERR ("four hexadecimal digits expected");
421 d4 = decode_hexdigit [((unsigned char *)dec->cur) [3]];
422 if (d4 < 0) ERR ("four hexadecimal digits expected"); 557 d4 = decode_hexdigit [cur [3]]; if (d4 < 0) ERR ("four hexadecimal digits expected");
423 558
424 dec->cur += 4; 559 dec->cur += 4;
425 560
426 return ((UV)d1) << 12 561 return ((UV)d1) << 12
427 | ((UV)d2) << 8 562 | ((UV)d2) << 8
… …
433} 568}
434 569
435static SV * 570static SV *
436decode_str (dec_t *dec) 571decode_str (dec_t *dec)
437{ 572{
438 SV *sv = NEWSV (0,2); 573 SV *sv = 0;
439 STRLEN cur = 0;
440 int utf8 = 0; 574 int utf8 = 0;
441 575
442 for (;;) 576 do
443 { 577 {
444 unsigned char ch = *(unsigned char *)dec->cur; 578 char buf [SHORT_STRING_LEN + UTF8_MAX_LEN];
579 char *cur = buf;
445 580
446 if (ch == '"') 581 do
447 break;
448 else if (ch == '\\')
449 { 582 {
450 switch (*++dec->cur) 583 unsigned char ch = *(unsigned char *)dec->cur++;
584
585 if (ch == '"')
451 { 586 {
452 case '\\': 587 --dec->cur;
453 case '/': 588 break;
454 case '"': APPEND_CH (*dec->cur++); break; 589 }
455 590 else if (ch == '\\')
456 case 'b': APPEND_CH ('\010'); ++dec->cur; break; 591 {
457 case 't': APPEND_CH ('\011'); ++dec->cur; break; 592 switch (*dec->cur)
458 case 'n': APPEND_CH ('\012'); ++dec->cur; break;
459 case 'f': APPEND_CH ('\014'); ++dec->cur; break;
460 case 'r': APPEND_CH ('\015'); ++dec->cur; break;
461
462 case 'u':
463 { 593 {
464 UV lo, hi; 594 case '\\':
465 ++dec->cur; 595 case '/':
596 case '"': *cur++ = *dec->cur++; break;
466 597
467 hi = decode_4hex (dec); 598 case 'b': ++dec->cur; *cur++ = '\010'; break;
468 if (hi == (UV)-1) 599 case 't': ++dec->cur; *cur++ = '\011'; break;
469 goto fail; 600 case 'n': ++dec->cur; *cur++ = '\012'; break;
601 case 'f': ++dec->cur; *cur++ = '\014'; break;
602 case 'r': ++dec->cur; *cur++ = '\015'; break;
470 603
471 // possibly a surrogate pair 604 case 'u':
472 if (hi >= 0xd800 && hi < 0xdc00)
473 { 605 {
474 if (dec->cur [0] != '\\' || dec->cur [1] != 'u') 606 UV lo, hi;
475 ERR ("illegal surrogate character");
476
477 dec->cur += 2; 607 ++dec->cur;
478 608
479 lo = decode_4hex (dec); 609 hi = decode_4hex (dec);
480 if (lo == (UV)-1) 610 if (hi == (UV)-1)
481 goto fail; 611 goto fail;
482 612
613 // possibly a surrogate pair
614 if (hi >= 0xd800)
615 if (hi < 0xdc00)
616 {
617 if (dec->cur [0] != '\\' || dec->cur [1] != 'u')
618 ERR ("missing low surrogate character in surrogate pair");
619
620 dec->cur += 2;
621
622 lo = decode_4hex (dec);
623 if (lo == (UV)-1)
624 goto fail;
625
483 if (lo < 0xdc00 || lo >= 0xe000) 626 if (lo < 0xdc00 || lo >= 0xe000)
484 ERR ("surrogate pair expected"); 627 ERR ("surrogate pair expected");
485 628
486 hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000; 629 hi = (hi - 0xD800) * 0x400 + (lo - 0xDC00) + 0x10000;
630 }
631 else if (hi < 0xe000)
632 ERR ("missing high surrogate character in surrogate pair");
633
634 if (hi >= 0x80)
635 {
636 utf8 = 1;
637
638 cur = (char *)uvuni_to_utf8_flags (cur, hi, 0);
639 }
640 else
641 *cur++ = hi;
487 } 642 }
488 else if (lo >= 0xdc00 && lo < 0xe000)
489 ERR ("illegal surrogate character");
490
491 if (hi >= 0x80)
492 { 643 break;
493 utf8 = 1;
494 644
495 SvGROW (sv, cur + 4 + 1); // at most 4 bytes for 21 bits
496 cur = (char *)uvuni_to_utf8_flags (SvPVX (sv) + cur, hi, 0) - SvPVX (sv);
497 }
498 else 645 default:
499 APPEND_CH (hi); 646 --dec->cur;
647 ERR ("illegal backslash escape sequence in string");
500 } 648 }
501 break;
502 } 649 }
650 else if (ch >= 0x20 && ch <= 0x7f)
651 *cur++ = ch;
652 else if (ch >= 0x80)
653 {
654 --dec->cur;
655
656 STRLEN clen;
657 UV uch = decode_utf8 (dec->cur, dec->end - dec->cur, &clen);
658 if (clen == (STRLEN)-1)
659 ERR ("malformed UTF-8 character in JSON string");
660
661 do
662 {
663 *cur++ = *dec->cur++;
664 }
665 while (--clen);
666
667 utf8 = 1;
668 }
669 else if (!ch)
670 ERR ("unexpected end of string while parsing json string");
671 else
672 ERR ("invalid character encountered");
673
503 } 674 }
504 else if (ch >= 0x20 && ch <= 0x7f) 675 while (cur < buf + SHORT_STRING_LEN);
505 APPEND_CH (*dec->cur++); 676
506 else if (ch >= 0x80) 677 STRLEN len = cur - buf;
678
679 if (sv)
507 { 680 {
508 STRLEN clen; 681 SvGROW (sv, SvCUR (sv) + len + 1);
509 UV uch = utf8n_to_uvuni (dec->cur, dec->end - dec->cur, &clen, UTF8_CHECK_ONLY); 682 memcpy (SvPVX (sv) + SvCUR (sv), buf, len);
510 if (clen < 0) 683 SvCUR_set (sv, SvCUR (sv) + len);
511 ERR ("malformed UTF-8 character in string, cannot convert to JSON");
512
513 SvGROW (sv, cur + clen + 1); // at most 4 bytes for 21 bits
514 memcpy (SvPVX (sv) + cur, dec->cur, clen);
515 dec->cur += clen;
516 } 684 }
517 else 685 else
518 ERR ("invalid character encountered"); 686 sv = newSVpvn (buf, len);
519 } 687 }
688 while (*dec->cur != '"');
520 689
521 ++dec->cur; 690 ++dec->cur;
522 691
692 if (sv)
693 {
523 SvPOK_only (sv); 694 SvPOK_only (sv);
524
525 SvCUR_set (sv, cur);
526 *SvEND (sv) = 0; 695 *SvEND (sv) = 0;
527 696
528 if (utf8) 697 if (utf8)
529 SvUTF8_on (sv); 698 SvUTF8_on (sv);
699 }
700 else
701 sv = newSVpvn ("", 0);
530 702
531 return sv; 703 return sv;
532 704
533fail: 705fail:
534 SvREFCNT_dec (sv);
535 return 0; 706 return 0;
536} 707}
537 708
538static SV * 709static SV *
539decode_num (dec_t *dec) 710decode_num (dec_t *dec)
… …
549 { 720 {
550 ++dec->cur; 721 ++dec->cur;
551 if (*dec->cur >= '0' && *dec->cur <= '9') 722 if (*dec->cur >= '0' && *dec->cur <= '9')
552 ERR ("malformed number (leading zero must not be followed by another digit)"); 723 ERR ("malformed number (leading zero must not be followed by another digit)");
553 } 724 }
554 725 else if (*dec->cur < '0' || *dec->cur > '9')
555 // int 726 ERR ("malformed number (no digits after initial minus)");
727 else
728 do
729 {
730 ++dec->cur;
731 }
556 while (*dec->cur >= '0' && *dec->cur <= '9') 732 while (*dec->cur >= '0' && *dec->cur <= '9');
557 ++dec->cur;
558 733
559 // [frac] 734 // [frac]
560 if (*dec->cur == '.') 735 if (*dec->cur == '.')
561 { 736 {
562 is_nv = 1; 737 ++dec->cur;
738
739 if (*dec->cur < '0' || *dec->cur > '9')
740 ERR ("malformed number (no digits after decimal point)");
563 741
564 do 742 do
565 { 743 {
566 ++dec->cur; 744 ++dec->cur;
567 } 745 }
568 while (*dec->cur >= '0' && *dec->cur <= '9'); 746 while (*dec->cur >= '0' && *dec->cur <= '9');
747
748 is_nv = 1;
569 } 749 }
570 750
571 // [exp] 751 // [exp]
572 if (*dec->cur == 'e' || *dec->cur == 'E') 752 if (*dec->cur == 'e' || *dec->cur == 'E')
573 { 753 {
574 is_nv = 1;
575
576 ++dec->cur; 754 ++dec->cur;
755
577 if (*dec->cur == '-' || *dec->cur == '+') 756 if (*dec->cur == '-' || *dec->cur == '+')
578 ++dec->cur; 757 ++dec->cur;
579 758
759 if (*dec->cur < '0' || *dec->cur > '9')
760 ERR ("malformed number (no digits after exp sign)");
761
762 do
763 {
764 ++dec->cur;
765 }
580 while (*dec->cur >= '0' && *dec->cur <= '9') 766 while (*dec->cur >= '0' && *dec->cur <= '9');
581 ++dec->cur; 767
768 is_nv = 1;
582 } 769 }
583 770
584 if (!is_nv) 771 if (!is_nv)
585 { 772 {
586 UV uv; 773 UV uv;
… …
604static SV * 791static SV *
605decode_av (dec_t *dec) 792decode_av (dec_t *dec)
606{ 793{
607 AV *av = newAV (); 794 AV *av = newAV ();
608 795
796 DEC_INC_DEPTH;
797 decode_ws (dec);
798
799 if (*dec->cur == ']')
800 ++dec->cur;
801 else
609 for (;;) 802 for (;;)
610 { 803 {
611 SV *value; 804 SV *value;
612 805
613 value = decode_sv (dec); 806 value = decode_sv (dec);
614 if (!value) 807 if (!value)
615 goto fail; 808 goto fail;
616 809
617 av_push (av, value); 810 av_push (av, value);
618 811
619 WS; 812 decode_ws (dec);
620 813
621 if (*dec->cur == ']') 814 if (*dec->cur == ']')
622 { 815 {
623 ++dec->cur; 816 ++dec->cur;
624 break; 817 break;
818 }
625 } 819
626
627 if (*dec->cur != ',') 820 if (*dec->cur != ',')
628 ERR (", or ] expected while parsing array"); 821 ERR (", or ] expected while parsing array");
629 822
630 ++dec->cur; 823 ++dec->cur;
631 } 824 }
632 825
826 DEC_DEC_DEPTH;
633 return newRV_noinc ((SV *)av); 827 return newRV_noinc ((SV *)av);
634 828
635fail: 829fail:
636 SvREFCNT_dec (av); 830 SvREFCNT_dec (av);
831 DEC_DEC_DEPTH;
637 return 0; 832 return 0;
638} 833}
639 834
640static SV * 835static SV *
641decode_hv (dec_t *dec) 836decode_hv (dec_t *dec)
642{ 837{
643 HV *hv = newHV (); 838 HV *hv = newHV ();
644 839
840 DEC_INC_DEPTH;
841 decode_ws (dec);
842
843 if (*dec->cur == '}')
844 ++dec->cur;
845 else
645 for (;;) 846 for (;;)
646 { 847 {
647 SV *key, *value; 848 SV *key, *value;
648 849
649 WS; EXPECT_CH ('"'); 850 decode_ws (dec); EXPECT_CH ('"');
650 851
651 key = decode_str (dec); 852 key = decode_str (dec);
652 if (!key) 853 if (!key)
653 goto fail;
654
655 WS; EXPECT_CH (':');
656
657 value = decode_sv (dec);
658 if (!value)
659 {
660 SvREFCNT_dec (key);
661 goto fail; 854 goto fail;
855
856 decode_ws (dec); EXPECT_CH (':');
857
858 value = decode_sv (dec);
859 if (!value)
860 {
861 SvREFCNT_dec (key);
862 goto fail;
662 } 863 }
663 864
664 //TODO: optimise
665 hv_store_ent (hv, key, value, 0); 865 hv_store_ent (hv, key, value, 0);
866 SvREFCNT_dec (key);
666 867
667 WS; 868 decode_ws (dec);
668 869
669 if (*dec->cur == '}') 870 if (*dec->cur == '}')
670 { 871 {
671 ++dec->cur; 872 ++dec->cur;
672 break; 873 break;
673 } 874 }
674 875
675 if (*dec->cur != ',') 876 if (*dec->cur != ',')
676 ERR (", or } expected while parsing object/hash"); 877 ERR (", or } expected while parsing object/hash");
677 878
678 ++dec->cur; 879 ++dec->cur;
679 } 880 }
680 881
882 DEC_DEC_DEPTH;
681 return newRV_noinc ((SV *)hv); 883 return newRV_noinc ((SV *)hv);
682 884
683fail: 885fail:
684 SvREFCNT_dec (hv); 886 SvREFCNT_dec (hv);
887 DEC_DEC_DEPTH;
685 return 0; 888 return 0;
686} 889}
687 890
688static SV * 891static SV *
689decode_sv (dec_t *dec) 892decode_sv (dec_t *dec)
690{ 893{
691 WS; 894 decode_ws (dec);
692 switch (*dec->cur) 895 switch (*dec->cur)
693 { 896 {
694 case '"': ++dec->cur; return decode_str (dec); 897 case '"': ++dec->cur; return decode_str (dec);
695 case '[': ++dec->cur; return decode_av (dec); 898 case '[': ++dec->cur; return decode_av (dec);
696 case '{': ++dec->cur; return decode_hv (dec); 899 case '{': ++dec->cur; return decode_hv (dec);
… …
724 927
725 case 'n': 928 case 'n':
726 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4)) 929 if (dec->end - dec->cur >= 4 && !memcmp (dec->cur, "null", 4))
727 { 930 {
728 dec->cur += 4; 931 dec->cur += 4;
729 return newSViv (1); 932 return newSVsv (&PL_sv_undef);
730 } 933 }
731 else 934 else
732 ERR ("'null' expected"); 935 ERR ("'null' expected");
733 936
734 break; 937 break;
735 938
736 default: 939 default:
737 ERR ("malformed json string"); 940 ERR ("malformed json string, neither array, object, number, string or atom");
738 break; 941 break;
739 } 942 }
740 943
741fail: 944fail:
742 return 0; 945 return 0;
743} 946}
744 947
745static SV * 948static SV *
746decode_json (SV *string, UV flags) 949decode_json (SV *string, U32 flags)
747{ 950{
748 SV *sv; 951 SV *sv;
749 952
750 if (!(flags & F_UTF8)) 953 if (flags & F_UTF8)
954 sv_utf8_downgrade (string, 0);
955 else
751 sv_utf8_upgrade (string); 956 sv_utf8_upgrade (string);
752 957
753 SvGROW (string, SvCUR (string) + 1); // should basically be a NOP 958 SvGROW (string, SvCUR (string) + 1); // should basically be a NOP
754 959
755 dec_t dec; 960 dec_t dec;
756 dec.flags = flags; 961 dec.flags = flags;
757 dec.cur = SvPVX (string); 962 dec.cur = SvPVX (string);
758 dec.end = SvEND (string); 963 dec.end = SvEND (string);
759 dec.err = 0; 964 dec.err = 0;
965 dec.depth = 0;
966 dec.maxdepth = DEC_DEPTH (dec.flags);
760 967
761 *dec.end = 1; // invalid anywhere 968 *SvEND (string) = 0; // this should basically be a nop, too
762 sv = decode_sv (&dec); 969 sv = decode_sv (&dec);
763 *dec.end = 0;
764 970
765 if (!sv) 971 if (!sv)
766 { 972 {
973 IV offset = dec.flags & F_UTF8
974 ? dec.cur - SvPVX (string)
767 IV offset = utf8_distance (dec.cur, SvPVX (string)); 975 : utf8_distance (dec.cur, SvPVX (string));
768 SV *uni = sv_newmortal (); 976 SV *uni = sv_newmortal ();
769 977
978 // horrible hack to silence warning inside pv_uni_display
979 COP cop = *PL_curcop;
980 cop.cop_warnings = pWARN_NONE;
981 ENTER;
982 SAVEVPTR (PL_curcop);
983 PL_curcop = &cop;
770 pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ); 984 pv_uni_display (uni, dec.cur, dec.end - dec.cur, 20, UNI_DISPLAY_QQ);
985 LEAVE;
986
771 croak ("%s, at character %d (%s)", 987 croak ("%s, at character offset %d (%s)",
772 dec.err, 988 dec.err,
773 (int)offset, 989 (int)offset,
774 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)"); 990 dec.cur != dec.end ? SvPV_nolen (uni) : "(end of string)");
775 } 991 }
776 992
777 sv_dump (sv);//D
778 return sv_2mortal (sv); 993 sv = sv_2mortal (sv);
994
995 if (!(dec.flags & F_ALLOW_NONREF) && !SvROK (sv))
996 croak ("JSON text must be an object or array (but found number, string, true, false or null, use allow_nonref to allow this)");
997
998 return sv;
779} 999}
1000
1001/////////////////////////////////////////////////////////////////////////////
1002// XS interface functions
780 1003
781MODULE = JSON::XS PACKAGE = JSON::XS 1004MODULE = JSON::XS PACKAGE = JSON::XS
782 1005
783BOOT: 1006BOOT:
784{ 1007{
785 int i; 1008 int i;
786 1009
787 memset (decode_hexdigit, 0xff, 256); 1010 memset (decode_hexdigit, 0xff, 256);
1011
788 for (i = 10; i--; ) 1012 for (i = 0; i < 256; ++i)
789 decode_hexdigit ['0' + i] = i; 1013 decode_hexdigit [i] =
790 1014 i >= '0' && i <= '9' ? i - '0'
791 for (i = 6; --i; ) 1015 : i >= 'a' && i <= 'f' ? i - 'a' + 10
792 { 1016 : i >= 'A' && i <= 'F' ? i - 'A' + 10
793 decode_hexdigit ['a' + i] = 10 + i; 1017 : -1;
794 decode_hexdigit ['A' + i] = 10 + i;
795 }
796 1018
797 json_stash = gv_stashpv ("JSON::XS", 1); 1019 json_stash = gv_stashpv ("JSON::XS", 1);
798} 1020}
1021
1022PROTOTYPES: DISABLE
799 1023
800SV *new (char *dummy) 1024SV *new (char *dummy)
801 CODE: 1025 CODE:
802 RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash); 1026 RETVAL = sv_bless (newRV_noinc (newSVuv (F_DEFAULT)), json_stash);
803 OUTPUT: 1027 OUTPUT:
804 RETVAL 1028 RETVAL
805 1029
806SV *ascii (SV *self, int enable) 1030SV *ascii (SV *self, int enable = 1)
807 ALIAS: 1031 ALIAS:
808 ascii = F_ASCII 1032 ascii = F_ASCII
809 utf8 = F_UTF8 1033 utf8 = F_UTF8
810 indent = F_INDENT 1034 indent = F_INDENT
811 canonical = F_CANONICAL 1035 canonical = F_CANONICAL
812 space_before = F_SPACE_BEFORE 1036 space_before = F_SPACE_BEFORE
813 space_after = F_SPACE_AFTER 1037 space_after = F_SPACE_AFTER
814 json_rpc = F_JSON_RPC
815 pretty = F_PRETTY 1038 pretty = F_PRETTY
1039 allow_nonref = F_ALLOW_NONREF
1040 shrink = F_SHRINK
816 CODE: 1041 CODE:
817{ 1042{
818 UV *uv = SvJSON (self); 1043 UV *uv = SvJSON (self);
819 if (enable) 1044 if (enable)
820 *uv |= ix; 1045 *uv |= ix;
… …
824 RETVAL = newSVsv (self); 1049 RETVAL = newSVsv (self);
825} 1050}
826 OUTPUT: 1051 OUTPUT:
827 RETVAL 1052 RETVAL
828 1053
1054SV *max_depth (SV *self, int max_depth = 0x80000000UL)
1055 CODE:
1056{
1057 UV *uv = SvJSON (self);
1058 UV log2 = 0;
1059
1060 if (max_depth > 0x80000000UL) max_depth = 0x80000000UL;
1061
1062 while ((1UL << log2) < max_depth)
1063 ++log2;
1064
1065 *uv = *uv & ~F_MAXDEPTH | (log2 << S_MAXDEPTH);
1066
1067 RETVAL = newSVsv (self);
1068}
1069 OUTPUT:
1070 RETVAL
1071
829void encode (SV *self, SV *scalar) 1072void encode (SV *self, SV *scalar)
830 PPCODE: 1073 PPCODE:
831 XPUSHs (encode_json (scalar, *SvJSON (self))); 1074 XPUSHs (encode_json (scalar, *SvJSON (self)));
832 1075
833void decode (SV *self, SV *jsonstr) 1076void decode (SV *self, SV *jsonstr)
834 PPCODE: 1077 PPCODE:
835 XPUSHs (decode_json (jsonstr, *SvJSON (self))); 1078 XPUSHs (decode_json (jsonstr, *SvJSON (self)));
836 1079
1080PROTOTYPES: ENABLE
1081
837void to_json (SV *scalar) 1082void to_json (SV *scalar)
1083 ALIAS:
1084 objToJson = 0
838 PPCODE: 1085 PPCODE:
839 XPUSHs (encode_json (scalar, F_UTF8)); 1086 XPUSHs (encode_json (scalar, F_DEFAULT | F_UTF8));
840 1087
841void from_json (SV *jsonstr) 1088void from_json (SV *jsonstr)
1089 ALIAS:
1090 jsonToObj = 0
842 PPCODE: 1091 PPCODE:
843 XPUSHs (decode_json (jsonstr, F_UTF8)); 1092 XPUSHs (decode_json (jsonstr, F_DEFAULT | F_UTF8));
844 1093

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